CLASS 37, EXCAVATING |
300 | GRAVE DIGGER: |
This subclass is indented under the class definition. Apparatus including means to penetrate the ground and remove
earth to form a cavity in the ground for receiving a casket or corpse
to be buried therein.
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301 | LAND CLEARER: |
This subclass is indented under the class definition. Apparatus including means to penetrate the ground to loosen, lift, or
remove earth from the ground containing tree, brush, stone, stump, or
similar material.
A - Blade, B - Brush; S - Stump; T - Diggingtooth; R - Stone
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302 | . Tree or stump remover: |
This subclass is indented under subclass 301. Apparatus (a) for permanently withdrawing
a relatively large wooded elongated perennial plant having a single
main stem from the earth or (b) for withdrawing
a lower portion of such plant from which the upper portion has been removed.
A (left) = Blade; B (left) = Diggingtooth; C (left) = Tree--A (right) = Stump; B (right) = Boomorcrane; C (right) = Digging tool SEE OR SEARCH CLASS:
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303 | . Stone remover: |
This subclass is indented under subclass 301. Apparatus having at least one tine, hook, or similar
implement especially adapted for removing a piece of rock from the
earth.
s = Stone; a,b,c,d,e = Variouspositionsof the digging tool SEE OR SEARCH CLASS:
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3 | PEAT EXCAVATORS: |
This subclass is indented under the class definition. Devices for excavating peat.
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196 | SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE: |
This subclass is indented under the class definition. Subject matter relating to either (a) a process of clearing snow or ice from a surface, or preparing snow or ice for passage thereover, by the use of the movable excavating apparatus; or (b) the excavating apparatus or a component part thereof. | |
197 | . Process: |
This subclass is indented under subclass 196. A method including steps performed when either clearing the surface or preparing the snow or ice. | |
198 | . Railway clearer: |
This subclass is indented under subclass 196. Apparatus adapted to remove snow or ice from a railroad trackway. | |
199 | .. With melter: |
This subclass is indented under subclass 198. Apparatus including means for changing the excavated snow
or ice from its solid state to a liquid state.
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200 | ... Heated plow: |
This subclass is indented under subclass 199. Apparatus including a transversely extending, generally vertically disposed moldboard, wherein heat is supplied to the moldboard. | |
201 | .. Explosive: |
This subclass is indented under subclass 198. Apparatus including means for blasting through snow or ice with an explosive. | |
202 | .. Fluid current conveyor: |
This subclass is indented under subclass 198. Apparatus wherein snow or ice is transported by a stream of flowable material. | |
203 | .. For clearing single rail of set: |
This subclass is indented under subclass 198. Apparatus wherein the trackway includes a plurality of rails,
and including an implement adapted to remove snow or ice from an
individual rail of the plurality.
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204 | ... Electrified rail: |
This subclass is indented under subclass 203. Apparatus including an implement adapted to remove snow or ice from a rail which carries electricity. | |
205 | ... Including rotary excavating tool: |
This subclass is indented under subclass 203. Apparatus which includes an implement fixed to a shaft adapted to rotate when in use. | |
206 | .... And scraper blade: |
This subclass is indented under subclass 205. Apparatus also including a transversely extending, generally vertically disposed moldboard. | |
207 | ... Including means clearing side of, or groove in, rail: |
This subclass is indented under subclass 203. Apparatus wherein the implement includes a portion depending vertically below the top of the rail and functioning to remove snow or ice either alongside the rail or within a slot formed in the surface of the rail. | |
208 | .. With endless conveyor: |
This subclass is indented under subclass 198. Apparatus including a closed loop, belt or chain-type conveying means. | |
209 | .. Having rotary excavating tool: |
This subclass is indented under subclass 198. Apparatus including an implement fixed to a shaft adapted to rotate when in use. | |
210 | ... Plural rotary tools: |
This subclass is indented under subclass 209. Apparatus wherein a plurality of implements is carried either by a plurality of rotary shafts, each carrying an implement, or by a single rotary shaft. | |
211 | .... Diverse tools performing different stages of operation: |
This subclass is indented under subclass 210. Apparatus wherein the implements are differently configured, adapted to accomplish various steps in the process of excavating snow or ice. | |
212 | .... And V-shaped scraper blade: |
This subclass is indented under subclass 210. Apparatus including a generally vertically disposed moldboard
having two working faces angled relative to one another about a
generally vertical axis, diverging from an apex to ends on opposite
sides of the apparatus.
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213 | ... Screw-type auger: |
This subclass is indented under subclass 209. Apparatus wherein the implement comprises a helical vane means arranged to rotate upon its axis. | |
214 | .. Having scraper blade: |
This subclass is indented under subclass 198. Apparatus including a transversely extending, generally vertically disposed moldboard. | |
215 | ... Inclined plane with V-divider: |
This subclass is indented under subclass 214. Apparatus wherein the moldboard includes a pair of working faces angled relative to one another about a generally vertical axis, the moldboard being carried by a substantially horizontal base plate sloping upwardly from its leading edge. | |
216 | .... Having auxiliary blade or shiftable divider: |
This subclass is indented under subclass 215. Apparatus wherein either the moldboard, or an additionally vertically disposed moldboard, is mounted for angular adjustment upon the base plate. | |
217 | ... V-shaped: |
This subclass is indented under subclass 214. Apparatus wherein the moldboard includes a pair of working
faces angled relative to one another about a generally vertical
axis, diverging from an apex to ends on opposite sides of the apparatus.
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218 | ... Diagonal: |
This subclass is indented under subclass 214. Apparatus wherein the moldboard is obliquely angled about a generally vertical axis relative to its intended direction of motion. | |
219 | . Snow or ice surface groomer: |
This subclass is indented under subclass 196. Apparatus adapted to prepare a layer of snow or ice for
use as a support surface.
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220 | .. Including rut cutter: |
This subclass is indented under subclass 219. Apparatus which includes means adapted to cut a groove in the surface. | |
221 | .. Having diverse tools: |
This subclass is indented under subclass 219. Apparatus including a plurality of implements having different sizes, shapes, or character of operation. | |
222 | ... Including rotary tool: |
This subclass is indented under subclass 221. Apparatus including an implement fixed to a shaft adapted to rotate when in use. | |
223 | .. Having rotary tool: |
This subclass is indented under subclass 219. Apparatus including an implement fixed to a shaft adapted to rotate when in use. | |
224 | ... Compacting roller: |
This subclass is indented under subclass 223. Apparatus wherein the tool is a cylindrical member adapted to roll over and compress the layer of snow or ice. | |
225 | . With compressor die: |
This subclass is indented under subclass 196. Apparatus including a device for compacting and molding
the excavated snow or ice.
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226 | .. And heater: |
This subclass is indented under subclass 225. Apparatus including means for adding heat to the snow or
ice.
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227 | . With melter: |
This subclass is indented under subclass 196. Apparatus including a means for changing the excavated snow
or ice from it solid state to a fluid state.
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228 | .. Having heated transport chamber: |
This subclass is indented under subclass 227. Apparatus including a receptacle adapted to receive and carry the liquified snow or ice, and means for supplying heat to the receptacle. | |
229 | ... Electric or solar heat source: |
This subclass is indented under subclass 228. Apparatus wherein the means for heating the receptacle uses energy produced either by electricity or by the sun. | |
230 | .. Manually powered: |
This subclass is indented under subclass 227. Apparatus wherein a human being provides the power to either move or operate the heated excavator. | |
231 | . With specific means to facilitate connection to, or disconnection from, vehicle: |
This subclass is indented under subclass 196. Apparatus including means adapted to expedite the attachment
or detachment of the implement to a vehicle.
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232 | . Vehicle mount with obstacle responsive trip, or yieldable tool (e.g., brush): |
This subclass is indented under subclass 196. Apparatus wherein either (a) means is provided for attaching
an excavating implement to a vehicle, including means permitting
the implement to shift with respect to the vehicle when it contacts
an obstacle or (b) an excavating implement itself includes a portion
which yields when it contacts an obstacle.
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233 | .. Resilient impeller or blade: |
This subclass is indented under subclass 232. Apparatus including either a van means carried by a shaft, or a moldboard, which contains either an elastically deformable portion or a plurality of segments mounted elastically relative to one another. | |
234 | . Including specific hydraulic control system to position implement: |
This subclass is indented under subclass 196. Apparatus wherein adjustment of an excavating implement
relative to a carrying means is performed by a control system which
incorporates fluid circuitry and includes means for producing or
controlling fluid pressure within the system.
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235 | . Vehicle mount including power lift: |
This subclass is indented under subclass 196. Apparatus including means to connect an excavating implement
to a vehicle, and a power system for vertically moving the implement.
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236 | .. Power means is hydraulically actuated piston: |
This subclass is indented under subclass 235. Apparatus in which the power system includes a piston axially movable within a cylinder by liquid pressure. | |
237 | . With endless conveyor: |
This subclass is indented under subclass 196. Apparatus including a closed loop, belt or chain-type conveying
means.
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238 | .. And rotary excavating tool: |
This subclass is indented under subclass 237. Apparatus including an implement fixed to a shaft adapted to rotate when in use. | |
239 | .. Multistage conveyors: |
This subclass is indented under subclass 237. Apparatus including a plurality of various closed loop conveying means, the various means each adapted to accomplish a different step in the excavating process. | |
240 | .. Carrying excavating tool: |
This subclass is indented under subclass 237. Apparatus wherein the conveying means carries an implement adapted to scrape snow or ice from the surface to be cleared. | |
241 | . Combined or convertible: |
This subclass is indented under subclass 196. Apparatus having means associated therewith for performing some function, normally the subject matter of another class, in addition to the basic operation of excavation; or which can by an adjustment, addition, removal, or reassembly of one or more of its parts become basic subject matter or another class. | |
242 | .. Rotary excavating tool: |
This subclass is indented under subclass 241. Apparatus including an implement fixed to a shaft adapted to rotate when in use. | |
243 | ... Lawnmower: |
This subclass is indented under subclass 242. Apparatus combined with, or convertible to, apparatus adapted to cut grass. | |
244 | . Motorized rotary excavating tool: |
This subclass is indented under subclass 196. Apparatus including an implement fixed to a shaft driven rotationally by a mechanical power means when in use. | |
245 | .. Tool arresting means responsive to sensed condition: |
This subclass is indented under subclass 244. Apparatus including means reacting to a sensed operating condition encountered by the apparatus which interrupts the rotation of the shaft. | |
246 | .. Electric motor drive: |
This subclass is indented under subclass 244. Apparatus wherein the shaft is driven by an electric motor. | |
247 | .. Rotor shaft adjustable relative to direction of travel: |
This subclass is indented under subclass 244. Apparatus including means to adjust the shaft to any one of a plurality of selected angular orientations with respect to the intended direction of motion. | |
248 | .. Diverse multistage rotary tools or tool portions (e.g., feeding and throwing, etc.): |
This subclass is indented under subclass 244. Apparatus including either a plurality of differently configured
rotary implements, or a rotary implements having a plurality of
a differently configured sections, the implements or sections adapted
to accomplish various steps in the process of excavating snow or
ice.
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249 | ... Including screw-type auger for first stage: |
This subclass is indented under subclass 248. Apparatus wherein the implement or section adapted to accomplish
the primary step comprises a helical vane means arranged to rotate upon
its axis.
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250 | .... Augers on separate shafts: |
This subclass is indented under subclass 249. Apparatus including a plurality of shafts carrying helical vane means. | |
251 | .... And centrifugal impeller for final stage: |
This subclass is indented under subclass 249. Apparatus wherein the implement or section adapted to accomplish the last setup includes a generally radially projecting vane means which transports snow or ice by centrifugal force. | |
252 | ..... Auger and impeller on single shaft: |
This subclass is indented under subclass 251. Apparatus wherein both the helical vane means and the planar vane means are carried by the same shaft. | |
253 | .. Fed by scraper blade: |
This subclass is indented under subclass 244. Apparatus wherein snow or ice is directed to the rotating
implement by a transversely extending, generally vertically disposed
moldboard.
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254 | ... Including screw-type auger: |
This subclass is indented under subclass 253. Apparatus wherein the implement comprises a helical vane means arranged to rotate upon its axis. | |
255 | .... Augers on separate shafts: |
This subclass is indented under subclass 254. Apparatus including a plurality of shafts carrying helical vane means. | |
256 | ... Including centrifugal impeller: |
This subclass is indented under subclass 253. Apparatus wherein the implement includes a generally radially projecting vane means adapted to transport snow or ice centrifugal force. | |
257 | .. Screw-type auger: |
This subclass is indented under subclass 244. Apparatus wherein the implement comprises a helical vane
means arranged to rotate upon its axis.
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258 | ... Having plural vane segments: |
This subclass is indented under subclass 257. Apparatus wherein the vanes means comprises a plurality of plate-like elements secured to the shaft. | |
259 | .. Centrifugal impeller: |
This subclass is indented under subclass 244. Apparatus wherein the implement includes a generally radially projecting vane means adapted to transport snow or ice by centrifugal force. | |
260 | .. Having specific flow guide: |
This subclass is indented under subclass 244. Apparatus wherein significance is attributed to a guide
means adapted to control the flow path of snow or ice being discharged
from the apparatus.
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261 | ... Having motor powered adjustment: |
This subclass is indented under subclass 260. Apparatus wherein the flow guide can be adjusted by a mechanical
power means.
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262 | ... Vane within chute controls flow path: |
This subclass is indented under subclass 260. Apparatus including a thin, substantially flat deflecting element situated within the discharge flow path whereby the direction of the flow is controlled. | |
263 | . Tool prepares wheel path for passage of wheel: |
This subclass is indented under subclass 196. Apparatus having an implement adapted to be attached at
one side of a vehicle, wherein the implement clears only a path
at the one side.
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264 | . Scoop: |
This subclass is indented under subclass 196. Apparatus having an excavating implement which includes
a bottom enclosed upon three sides by vertically extending walls
and an open fourth side at its front.
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265 | .. Manually powered: |
This subclass is indented under subclass 264. Apparatus wherein a human being provides the power to move
or operate the scoop.
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266 | . Scraper blade: |
This subclass is indented under subclass 196. Apparatus including a transversely extending, generally
vertically disposed moldboard which has a working face fixed to
a carrying means, adapted to deflect or push snow from
the surface to be cleared, and a cutting edge at the base
of the working face adapted to scrape snow from a surface and feed
it to the working face.
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267 | .. Invertible: |
This subclass is indented under subclass 266. Apparatus wherein the moldboard can be reversed top to bottom.
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268 | .. Pulled (e.g., by horse or vehicle): |
This subclass is indented under subclass 266. Apparatus including a moldboard adapted to be drawn by a
propelling means.
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269 | ... V-shaped: |
This subclass is indented under subclass 268. Apparatus wherein the moldboard includes a pair of working
faces angled relative to one another about a generally vertical
axis and diverging from an apex to ends on opposite sides of the
apparatus.
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270 | .. Mounted on surface contacting support or guide: |
This subclass is indented under subclass 266. Apparatus having auxiliary means attached to the moldboard
for either supporting it upon the surface, or giving it
direction.
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271 | ... For adjusting height of blade: |
This subclass is indented under subclass 270. Apparatus wherein the moldboard can be adjusted to a plurality of elevations above the support means. | |
272 | .. V-shaped: |
This subclass is indented under subclass 266. Apparatus wherein the moldboard includes a pair of working
faces angled relative to one another about a generally vertical
axis and diverging from an apex to ends on opposite sides of the
apparatus.
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273 | ... Adjustable or collapsible apex: |
This subclass is indented under subclass 272. Apparatus wherein the angle of divergence is adapted to
be varied.
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274 | ... And auxiliary wing or extension: |
This subclass is indented under subclass 272. Apparatus including an additional moldboard-like
element.
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275 | .... Top flap: |
This subclass is indented under subclass 274. Apparatus wherein the auxiliary wing or extension is a moldboard
like element adapted to be attached adjacent and parallel to the
top edge of its primary moldboard.
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276 | ... Diverging forwardly: |
This subclass is indented under subclass 272. Apparatus wherein, when the moldboard is moving in its intended direction for use, the apex follows the working faces. | |
277 | ... Supported on inclined plane: |
This subclass is indented under subclass 272. Apparatus wherein the working faces are carried by a substantially horizontal base plate sloping upwardly from its leading edge. | |
278 | ... Manually powered: |
This subclass is indented under subclass 272. Apparatus wherein a human being provides the power to either move or operate the moldboard. | |
279 | .. Diagonally oriented: |
This subclass is indented under subclass 266. Apparatus wherein the moldboard is obliquely angled about a generally vertical axis relative to the intended direction of motion. | |
280 | ... Including side gate discharge preventer: |
This subclass is indented under subclass 279. Apparatus including an element which can be moved into a position adjacent and substantially perpendicular to the working face to selectively act as a barrier preventing discharge of excavated snow from the moldboard. | |
281 | ... And auxiliary wing or extension: |
This subclass is indented under subclass 279. Apparatus including an additional moldboard-like
element.
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282 | ... Supported on inclined plane: |
This subclass is indented under subclass 279. Apparatus wherein the moldboard is carried by a substantially horizontal base plate sloping upwardly from its leading edge. | |
283 | ... Adjustable about central vertical hinge: |
This subclass is indented under subclass 279. Apparatus including means for attaching the moldboard to
carriage, the means comprising a pivotal connection having
a generally vertical axis at the longitudinal midpoint of the moldboard, about
which the mold board can be angularly adjusted.
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284 | ... Manually powered: |
This subclass is indented under subclass 279. Apparatus wherein a human being provides the power to either move or operate the moldboard. | |
285 | . Manually powered: |
This subclass is indented under subclass 196. Apparatus wherein a human being provides the power to either move or operate the excavator. | |
304 | SELF-LOADING VEHICLE: |
This subclass is indented under the class definition. Apparatus including a digging tool and an earth holding
container which are separately mounted on the same vehicle, wherein
the digging tool is either manipulated to place dug earth in the
container or directs the earth to an intermediate element (e.g., a
conveyor) which places the dug earth in the container.
A = Container; B = Boom andmeans forloading (e.g., conveyor); C = Excavating buckets with diggingedge
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305 | . Having endless digger or conveyor: |
This subclass is indented under subclass 304. Apparatus including a continuous feeder belt used to either
dig the earth from the ground or remove earth from the digging tool
for delivery to a container.
" > A = Container for dug earth; B = Diggingscoopor bowl with cutter blade; C = Endless conveyor SEE OR SEARCH THIS CLASS, SUBCLASS:
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306 | . Elevating wheel: |
This subclass is indented under subclass 304. Apparatus including a rotating circular frame having digging
elements used to either dig the earth from the ground or remove
earth from the digging tool for delivery to a container.
A - Elevating wheel; B - Wheelhub; C - Digging element;D - Digging edge; E - Vehicle wheel SEE OR SEARCH CLASS:
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307 | BENEATH A BODY OF WATER (E.G., DREDGER): |
This subclass is indented under the class definition. Apparatus especially adapted to excavate material under
a mass of liquid such as a sea, lake, river, or
stream.
" > A - Cutter; B - Ladder; C - Suctionpipe; D - Hull; E - Pontoon;F - Spud; G - Cutter motor; H - Pump; J - Pump motor; K - Dredgedbottom
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308 | . With signal, scale, indicator, or inspection means: |
This subclass is indented under subclass 307. Apparatus including means to either acknowledge, measure, detect, or
examine a change in the excavation apparatus, the excavated
material, or the environment associated therewith.
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309 | . With means to control dredger operation (e.g., movement of dredged material) in response to sensed condition: |
This subclass is indented under subclass 307. Apparatus wherein a means is provided for (a) sensing
a change in either the excavation apparatus, the excavated
material, or the environment associated therewith, and (b) regulating the
excavation apparatus, the excavated material, or
the environment associated therewith in response to that change.
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310 | .. Swell compensator: |
This subclass is indented under subclass 309. Apparatus including a shock absorbing, tension restoring
means provided on the dredger to negate or offset the heave motion
of the waves in a body of water so that the excavation apparatus
can be maintained at a desired underwater coordinate.
A - Vessel; B - Pump; C - Suctionpipe; D - Dredge unit; E- Cable; F - Winch; G - Piston; H - Cylinder; Swell compensator;J - Piston rod; K - Pressurized air tank; L - Pump motor SEE OR SEARCH CLASS:
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311 | .. Suction relief valve: |
This subclass is indented under subclass 309. Apparatus wherein pressure or force in a dredge pipe is
maintained within predetermined limits by operation of a membranous structure
which restores the pressure or force back to normal operating conditions
by elimination of an obstruction from the pipe.
A - Suction pipe; B - Obstruction (e.g., mudball, stone); C- Tubular passage; D - Nozzle; E - Valve seat; F - Pivoted flapvalve; G - Pivot; H - Valve control means
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312 | .. Control of swing or swing speed: |
This subclass is indented under subclass 309. Apparatus including means to automatically regulate the
cyclical lateral movement of the dredger suction pipe or of the
vessel which carries the dredger.
" > A - Walking swing; B - Advance; C - Cut; D - Anchors; E- Port; F - Starboard; G - Walkingspud lowered; H - Digging spudraised
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313 | . By use of submarine or undersea vessel: |
This subclass is indented under subclass 307. Apparatus especially adapted for sea floor operation wherein
the excavating is controlled in whole or part from a submerged, hollow, usually
cylindrical receptacle of watertight construction made of a buoyancy
material, manned or unmanned, which is either
adapted to be propelled through the water or travel along or rest
on the sea floor.
A - Underwater body; B - Cutterhead; C - Cutterladder; D- Suction tube; E - Cutter motor; F - Shaft connecting underwaterbody to atmosphere SEE OR SEARCH THIS CLASS, SUBCLASS:
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314 | . Adapted to excavate specific discrete material: |
This subclass is indented under subclass 307. Apparatus especially adapted for recovering deep-ocean
minerals or other distinct material (e.g., manganese
nodules, gold, iron ore).
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315 | .. Shellfish: |
This subclass is indented under subclass 314. Apparatus especially adapted for recovering aquatic animals, such
as an oyster, a clam, or a mussel, whose
external covering comprises a pivoted shell.
A - Rake or runners; B - Oceanfloor; C - Bag or cage;D - Shellfish; E - Rake teeth or tines; F - Tow lines to ship SEE OR SEARCH CLASS:
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316 | ... Including rake or scoop structure: |
This subclass is indented under subclass 315. Apparatus including a wire mesh basket, net, or similar implement having a row of spaced, curved teeth or a cagelike device, closed at top, bottom, and sides, used to collect the aquatic animals. | |
317 | . Suction: |
This subclass is indented under subclass 307. Apparatus wherein the material is removed from the bottom
of a body of water by a flexible, noncollapsible pipe, provided
at its lower end with a weighted nozzle having means (e.g., suction
pump) for creating a pressure less than the surrounding
environment for entrainment of the material into the pipe.
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318 | .. Having intake screen: |
This subclass is indented under subclass 317. Apparatus including a grid made of materials such as wire
cloth, grate bars, or perforated material being
adapted to allow only dredged material of a predetermined size to
enter the suction device.
A - Suction pipe; B - Dischargeend; C - Inlet end; D,E - Screen rods SEE OR SEARCH CLASS:
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319 | ... And material size reducer (e.g., crusher): |
This subclass is indented under subclass 318. Apparatus including means, other than a digging
element, for breaking large objects into smaller pieces.
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320 | .. With pumping chamber: |
This subclass is indented under subclass 317. Apparatus including an enclosure intermediate to the suction
inlet and outlet adapted for controlling the flow of the motive
fluid and dredged material.
A - Suction inlet pipes; B - Dischargeend; C - Pumping chambers;D - Digging tool or cutter
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321 | .. With means to introduce lift agent directly into suction pipe: |
This subclass is indented under subclass 317. Apparatus wherein the suction of the dredged material is
enhanced by adding a fluid or buoyant substance to the dredged material
at or near the suction inlet.
A - Suction pipe; B - Dredge; C - Barge; D - High-pressureliftagent
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322 | ... With downstream directed jet nozzle: |
This subclass is indented under subclass 321. Apparatus wherein a high-velocity fluid stream is
forced under pressure out of an opening and is brought into contact
with the dredged material to impart energy to the dredged material
by the action of entrainment and frictional contact of the fluid.
A - Nozzle; B - Material tobe dredged; C - Suction pipe;D - Derrick; E - Dredger SEE OR SEARCH CLASS:
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323 | .. With fluid jet digger adjacent suction inlet: |
This subclass is indented under subclass 317. Apparatus including a device for emitting a high-velocity
gas or liquid stream for loosening, disintegrating, and
eroding material surrounding the suction pipe to facilitate removal by
suction.
A - Digging teeth; B - Fluidjet digger; C - Suction head SEE OR SEARCH CLASS:
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324 | .. Including driven digger adjacent suction inlet (e.g., cutterhead dredger): |
This subclass is indented under subclass 317. Apparatus including cutting or breaking means operatively
connected adjacent the suction pipe or conduit for excavating material
which is to be drawn into the suction pipe or conduit.
A - Hull; B - Suction pipe; C - Cutter; D - Dredgedsurface;E. - Ladder; F - Cutter motor; G - Cutter shaft; SEE OR SEARCH THIS CLASS, SUBCLASS:
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325 | ... With specific bearing, or means to lubricate or seal: |
This subclass is indented under subclass 324. Apparatus combined with means related to a digging element in which a journal, gudgeon, pivot, pin, or other part revolves, oscillates, or slides or to a substance used to reduce friction between moving parts or to a device or system to create a nonleaking union between rotating elements (e.g., pump shafts). | |
326 | ... Rotary: |
This subclass is indented under subclass 324. Apparatus wherein the means for excavating moves in a circular
orbit about a single axis.
A - Suction pipe; B - Cutterelement; C - Endless chain orbelt; D - Soil wall SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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329 | .... Axis transverse with respect to suction pipe: |
This subclass is indented under subclass 326. Apparatus in which the cutting or digging element turns
about an axis that is substantially perpendicular to the longitudinal
axis of the suction inlet.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
330 | .... Axis vertical with respect to surface of body of water: |
This subclass is indented under subclass 326. Apparatus in which the axis about which the excavating element
rotates is substantially perpendicular to the free water surface.
SEE OR SEARCH CLASS:
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331 | .... Axis longitudinal with respect to suction pipe: |
This subclass is indented under subclass 326. Apparatus in which the cutting or digging element turns about an axis that is parallel to the axis of the suction inlet. | |
327 | .... Specific cutterhead structure: |
This subclass is indented under subclass 326. Apparatus further including particular recitation of a discrete digger or an attachment on a digging edge or surface of such digger. | |
328 | ..... Including distinct tooth or tooth mounting: |
This subclass is indented under subclass 327. Apparatus including particular recitation of a digging or
cutting tip or an assembly means for a cutting or digging tip.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
332 | ... Endless: |
This subclass is indented under subclass 324. Apparatus wherein the cutting or breaking device is in the
form of a series of elements connected to one another in a continuous
loop travelling about two or more pulleys, sprockets, or
drums.
A - Pump; B - Suction dischargepipe; C - Cutter or cuttingtool; D - Sea bed; E - Surface of body of water SEE OR SEARCH CLASS:
| |||
333 | .. Draghead dredger (e.g., dustpan dredger): |
This subclass is indented under subclass 317. Apparatus wherein the mouth of the suction pipe comprises
a plain pipe cut at an angle or a mouthpiece in the shape of a hook
being adapted to be dragged along the bottom as the pipe is pulled
along by the dredger travelling through the water.
A - Drag head; B - Universaljoint; C - Suction pipe; D- Couplings; E - Swell compensator; F - Hoist gantries; G - Dischargepipes; H - Hopper; J - Hopper doors; K - Pump; L - Hoist wires
| |||
334 | .. With pipe suspension or support (e.g., ladder structure): |
This subclass is indented under subclass 317. Apparatus including means formed of structural steel or
similar material having side beams, cross beams, and
braces to maintain the suction pipe or conduit in a controlled and
stable position relative to the dredger structure from which the
pipe or conduit extends or to some other predetermined datum.
SEE OR SEARCH CLASS:
| |||||
335 | .. Pipe or nozzle structure: |
This subclass is indented under subclass 317. Apparatus wherein the significance is attributed to a particular
shape of the conduit which carries the dredged material or of the
inlet.
A - Suction pipe; B - Suctionnozzle; C - Pipe coupling SEE OR SEARCH CLASS:
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336 | ... With coupling (e.g., connector): |
This subclass is indented under subclass 335. Apparatus including particular feature of the joint between
separate sections of suction pipe or conduit or between suction
pipe and nozzle.
SEE OR SEARCH CLASS:
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337 | . Rotary digger (e.g., bucket wheel): |
This subclass is indented under subclass 307. Apparatus in which the digging element is arranged on the
circumference of a circular frame which rotates about an axis.
A - Rotary wheel; B - Diggingbuckets; C - Soil; D - Surfaceof the body of water SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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338 | . Endless: |
This subclass is indented under subclass 307. Apparatus in which the dredger includes a continuous conveying
belt with a plurality of digging elements to hold or feed the dredged material.
A - Bucket; B - Endless bucketchain; C - Ladder; D - Pulleywheel; E - Ladder hoist wire SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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339 | .. Specific bucket structure: |
This subclass is indented under subclass 338. Apparatus wherein the significance is attributed to a particular
shape of the cutting element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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340 | . Grab: |
This subclass is indented under subclass 307. Apparatus wherein the dredging tool consists of two pivotally
cooperating digging elements which are adapted to be dropped in
the open position into material to be excavated and then adapted
to be closed to thereby encompass the material between the two elements.
A - Grab bucket; B - Boom; C - Tagline; D - Hoist and holdwires; E - Winch; F - Hoist and hold drums; G - Pontoon; H - Sidewire; J - Aft wire; K - Head wire SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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341 | . Scoop or bucket: |
This subclass is indented under subclass 307. Apparatus wherein the dredging tool consists of a ladle
or cylindrical container having a bottom, back and side
walls and which is capable of digging and holding the material and
transporting it to a dump position.
" > A - Scoop or bucket; B - Boomarm; C - Hydraulic arms;D - Boom; E - Turntable; F - Track; G - Pontoon; H - Dump barge SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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342 | . With means to scour or scrape (e.g., propeller means, digging teeth, plow): |
This subclass is indented under subclass 307. Apparatus including an eroding device such as a propeller
means or raking teeth which flushes or rub underwater obstructions
such as sandbars or shoals by loosening the sand, mud, or silt
at the bottom surface of a body of water.
" > Fig. 1. A - Dredge vessel; B - Bodyof water; C - Sand bar;D - Propeller; E - Deflector Fig. 2. A - Dredge vessel; B - Diggingelements; C - Diggingteeth; D - Body of water; E - Sand bar SEE OR SEARCH CLASS:
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343 | .. Rotary digging element: |
This subclass is indented under subclass 342. Apparatus wherein the eroding device moves in a circular
path about a central axis.
A - Dredger or vessel;B - Rotarydigging element; C - Bottomof body of water; D - Body of water; E,F,G,H - Hoisting device | |
344 | .. Nozzle: |
This subclass is indented under subclass 342. Apparatus wherein the removal or cleaning of sand, mud, or
silt is effected by the action of high-pressure air or
water which is forced through a projecting part with an opening
in a localized stream.
A - Barge; B - Tug boat; C - Fluidjet; D - River or lake bed;E - Sand bar; F - Hoist SEE OR SEARCH CLASS:
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345 | . With vessel, propulsion, or anchor structure (e.g., bank spud, spud brace): |
This subclass is indented under subclass 307. Apparatus wherein the invention is particularly directed
toward (a) the feature of the barge, ship, or
boat which supports the dredging equipment in the body of water, or (b) the detail
of the means which is attached to a barge, ship, or
boat to hold it stationary or under controlled movement in the body
of water while dredging.
SEE OR SEARCH CLASS:
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346 | .. Bottom spud anchor: |
This subclass is indented under subclass 345. Apparatus including an elongated member which extends from
the vessel to the bottom of the body of water to hold the dredger
stationary or move it in a controlled manner.
A - Spud; B - Spud control system; C - Cutter; D - Dredger SEE OR SEARCH CLASS:
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347 | DITCHER: |
This subclass is indented under the class definition. Apparatus including means to penetrate the ground for digging
a long narrow trench in the surface of the ground.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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348 | . Condition responsive: |
This subclass is indented under subclass 347. Apparatus having means to activate ditching or trenching
means into digging condition by the control of a pre-established
sequencing means such as a template, cam, electromagnetic
tape, etc., responsive to a condition
which may or may not exist.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||||
349 | . With crumber: |
This subclass is indented under subclass 347. Apparatus combined with a blade or a shoe adapted to follow
an endless conveyor for the purpose of dressing or removing irregularities from
the bottom of the trench.
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350 | . Having screw digger: |
This subclass is indented under subclass 347. Apparatus including a trenching tool of the auger type with
a helical surface rotated about a longitudinal axis.
A - Tractor or excavator; B - Cutterelement; C - Spiral orscrew digging element; D - Discharge pipe; E - Ditched material SEE OR SEARCH CLASS:
| |||
351 | .. With conveyor: |
This subclass is indented under subclass 350. Apparatus including a carrier to remove the material cut by the auger. | |
352 | . Having endless digger: |
This subclass is indented under subclass 347. Apparatus wherein the cutting or breaking device is in the
form of a series of elements connected to one another in a continuous
loop travelling about two or more pulleys, sprockets, or
drums.
A - Digging frame; B - Diggingblades; C - Vehicle connection;D - Dirt chute; E - Vehicle hydraulic lift; F - Power takeoff shaft SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
353 | .. Endless bucket: |
This subclass is indented under subclass 352. Apparatus wherein the cutting or breaking device is in the
form of a series of elements connected to one another in a continuous
loop to hold and feed the excavated material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
354 | ... Transverse cut: |
This subclass is indented under subclass 353. Apparatus wherein the endless bucket rotates perpendicular
to the direction in which the trench is being formed.
SEE OR SEARCH CLASS:
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355 | ... Longitudinal cut: |
This subclass is indented under subclass 353. Apparatus wherein the endless bucket rotates parallel to
the direction in which the trench is being formed.
A - Crawler or excavator; B - Endlesschain belt; C - Diggingbucket; D - Conveyor SEE OR SEARCH CLASS:
| |||
356 | .... With side cutters: |
This subclass is indented under subclass 355. Apparatus combined with means for further trimming the trench
by removing material on the side faces of the trench.
| |||
357 | .... With distinct rotary digger: |
This subclass is indented under subclass 355. Apparatus combined with a supplementary excavating mechanism (e.g., a rotary cutting disc, a rotary cutting knife, a rotary cutting pick) operating in unison with the chain to widen the trench dug by the excavator. | |
358 | .... Reciprocating endless digger: |
This subclass is indented under subclass 355. Apparatus wherein the endless excavator or an excavating device associated therewith (e.g., spade, plow, pick, scraper) is adapted to move back and forth to excavate the material. | |
359 | .... With longitudinal endless conveyor: |
This subclass is indented under subclass 355. Apparatus combined with an orbiting continuous carrier extending parallel to the trench which receives material excavated from the trench. | |
360 | .... With transverse endless conveyor: |
This subclass is indented under subclass 355. Apparatus including an orbiting continuous carrier extending
perpendicular to the trench which receives material excavated from
the trench.
SEE OR SEARCH CLASS:
| |||
361 | ..... Drive-related feature: |
This subclass is indented under subclass 360. Apparatus wherein the significance is attributed to the
motion transmitting mechanism of the endless conveyor (e.g., sprocket, chain).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
362 | .... Drive-related feature: |
This subclass is indented under subclass 355. Apparatus wherein the significance is attributed to motion
transmitting mechanism of the endless digging bucket (e.g., sprocket, chain, mounting).
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||||
363 | .... Hand operated: |
This subclass is indented under subclass 355. Apparatus including a compact trencher capable of being maneuvered or guided by a human being and adapted to operate in a confined and restricted area. | |
364 | . With side or auxiliary cutter: |
This subclass is indented under subclass 347. Apparatus combined with means for widening the trench by
removing material on the side faces of the trench.
SEE OR SEARCH CLASS:
| |||||||||
365 | .. Rotary: |
This subclass is indented under subclass 364. Apparatus wherein the additional or auxiliary cutter moves
in a circular orbit about an axis.
SEE OR SEARCH CLASS:
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91 | . Wheel excavator: |
This subclass is indented under subclass 347. Apparatus wherein the digger is a wheel.
| |||
92 | .. Longitudinal axis: |
This subclass is indented under subclass 91. Apparatus wherein the axis of the digging wheel extends
longitudinally of the ditch.
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93 | ... Conveyor: |
This subclass is indented under subclass 92. Apparatus wherein the excavator delivers to a conveyor. | |
94 | .. Transverse axis: |
This subclass is indented under subclass 91. Apparatus wherein the axis of the excavator extends across the axis of the ditch. | |
95 | ... Conveyor: |
This subclass is indented under subclass 94. Apparatus wherein the excavator delivers to a conveyor. | |
96 | .... Longitudinal endless: |
This subclass is indented under subclass 95. Apparatus wherein an endless conveyor runs longitudinally of the ditch. | |
97 | .... Transverse endless: |
This subclass is indented under subclass 95. Apparatus wherein an endless conveyor extends crosswise of the ditch. | |
366 | . Plow: |
This subclass is indented under subclass 347. Apparatus including a V-shaped or diagonally oriented
blade used for penetrating the ground to form a trench.
A - Vehicle; B,C - Plowblade assembly SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
367 | .. Slit ditcher: |
This subclass is indented under subclass 366. Apparatus in which the plow is a narrow, elongated
blade which forms a long, narrow trench embanked with its
own soil or which cuts the bottom and sides of the trench, thereby
forcing the dirt up.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
368 | ... Including longitudinal endless conveyor: |
This subclass is indented under subclass 367. Apparatus including an orbitally travelling continuous carrier
extending parallel to the trench, positional to receive
the loosened earth from the trench.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
369 | .... And transverse endless conveyor: |
This subclass is indented under subclass 368. Apparatus including an additional orbitally travelling continuous
carrier extending perpendicular to the trench to receive loosened
earth from the trench.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
370 | .. Mole plow: |
This subclass is indented under subclass 366. Apparatus including a shoe (e.g., conical, pyramidal, wedge
shaped) especially adapted for forming a continuous tunnel
or small covered passage through the earth.
A - Vehicle; B - Plow support; C - Moleplow assembly
SEE OR SEARCH CLASS:
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372 | .. With plow supported wheel or supported on wheel frame: |
This subclass is indented under subclass 366. Apparatus wherein the plow is combined with a solid circular disk or a rigid circular ring connected by spokes to a hub, designed to turn around an axle passed through the center mounted on a trencher frame to carry the device. | |
373 | .. With conveyor: |
This subclass is indented under subclass 366. Apparatus including means to carry the earth loosened from
the trench.
SEE OR SEARCH CLASS:
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374 | ... Wheel and belt: |
This subclass is indented under subclass 373. Apparatus wherein the means to carry or discharge the earth includes a rotary, circular disk having peripheral side flanges combined with revolving endless track to carry the earth loosened from the trench. | |
375 | ... Longitudinal endless conveyor: |
This subclass is indented under subclass 373. Apparatus wherein the means to carry or discharge the earth
includes an orbiting continuous carrier extending parallel to the
trench to receive the loosened earth from the trench.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||
376 | .... And transverse endless conveyor: |
This subclass is indented under subclass 375. Apparatus wherein the means to convey or discharge the earth
also includes an additional orbiting continuous carrier extending
perpendicular to the trench to further receive and discharge the
excavated soil.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
377 | ..... With colter: |
This subclass is indented under subclass 376. Apparatus combined with a blade adapted to cut a slit in
the ground in advance of the plow.
A - Draft connection; B - Longitudinalendless conveyor;C - Transverse endless conveyor; D - Plow; E - Colter
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
378 | .. With colter: |
This subclass is indented under subclass 366. Apparatus combined with a blade or disk adapted to cut a
slit in the ground in advance of the plow.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
379 | . Shovel or scoop: |
This subclass is indented under subclass 347. Apparatus including a hol-lowed-out blade with
a concave front surface, convex rear surface, and
opposite side edges or a bucket having a bottom, back and
side walls used for removing the earth to make a trench.
A - Excavator; B - Boom; C - Dipperhandle; D - Shovel orscoop; F - Scoop side wall; G - Side ditch cut; H - Bottom ditchcut SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
380 | .. Slit ditcher: |
This subclass is indented under subclass 379. Apparatus wherein the shovel or scoop is adapted to form
a long, narrow ditch embanked with its own soil which cuts
the bottom and sides of the trench, thereby forcing the
dirt up.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
104 | RAILWAY GRADERS: |
This subclass is indented under the class definition. Devices forming the bed or slopes of a railway.
| |||||
105 | . Side former: |
This subclass is indented under subclass 104. Devices for working on the sides of a railway and shaping the bed. | |
106 | .. Scoop: |
This subclass is indented under subclass 105. Devices wherein the earthworking implement is some form of scoop or shovel. | |
107 | ... Endless conveyor: |
This subclass is indented under subclass 106. Devices wherein the scoop delivers to an endless conveyor. | |
381 | ROAD GRADER-TYPE: |
This subclass is indented under the class definition. Apparatus including means to penetrate the ground for working
on and forming the ground for the passage of vehicles, persons, or animals.
A - Vehicle; B - Digger assembly; C - Roadbed; D - Windrow SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
382 | . Condition responsive: |
This subclass is indented under subclass 381. Apparatus having means to activate digging means into digging
condition by the control of a pre-established sequencing
device.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
383 | . Including ground supported, grader guiding rail: |
This subclass is indented under subclass 381. Apparatus including a structural steel bar fixed outside
the grader itself to create a track for maintaining the grader on
a predetermined path of travel.
SEE OR SEARCH CLASS:
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384 | .. Adjustable digger: |
This subclass is indented under subclass 383. Apparatus wherein the means for removing or loosening the earth is combined with means for selectively varying the elevational or angular position of the loosening means. | |
385 | ... Rotary digger: |
This subclass is indented under subclass 384. Apparatus wherein means for loosening the earth moves in a circular orbit about an axis. | |
386 | . Rotary digger: |
This subclass is indented under subclass 381. Apparatus including means for removing or loosening the
earth which moves in a circular orbit about an axis.
A - Vehicle; B - Material receivingconveyor; C - Rotary digger SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
387 | .. Adjustable: |
This subclass is indented under subclass 386. Apparatus wherein a means is provided to selectively vary the elevational or angular position of the rotary digger. | |
388 | . Transverse endless digger: |
This subclass is indented under subclass 381. Apparatus wherein the cutting or breaking device is in the
form of a series of elements (e.g., blade, bowl) connected
to one another in a continuous loop traveling about two or more pulleys, sprockets, or
drums excavating the surface of the road perpendicular to the direction
of the road axis.
SEE OR SEARCH CLASS:
| |||
389 | . Plow with transverse endless conveyor: |
This subclass is indented under subclass 381. Apparatus combined with continuous carrier positioned perpendicular
to the road for removing earth loosened by a V-shaped or
diagonally oriented blade.
A - Draft connection; B - Plow; C - Endlessconveyor SEE OR SEARCH CLASS:
| |||
390 | .. Disc plow: |
This subclass is indented under subclass 389. Apparatus wherein the earth loosening or removing means
is a thin, flat, circular plate.
A - Main frame; B - Front wheels; C - Rearwheels; D - Tongueconnection to vehicle; E - Disc plow; F - Transverse endless conveyor SEE OR SEARCH CLASS:
| |||||
391 | . Plow with transverse conveyor wheel: |
This subclass is indented under subclass 381. Apparatus including a V-shaped or diagonally oriented
blade combined with a rotary transporting implement having buckets
or receptacles on its periphery and having an axis perpendicular
to the direction of travel wherein the transporting implement receives
earth from the blade.
A - Plow; B - Draft connection; C - Transverseconveyor wheel;D - Trough SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
392 | .. And endless conveyor: |
This subclass is indented under subclass 391. Apparatus also combined with a series of elements connected
to one another in a continuous loop for carrying the excavated material
for further discharge.
A - Plow; B - Transverse conveyorwheel; C - Endless conveyor;D - Draft connection SEE OR SEARCH CLASS:
| |||
393 | . Plow with inclined axis conveyor wheel: |
This subclass is indented under subclass 381. Apparatus including a rotary material transporting implement
having buckets or receptacles on its periphery supported to run
upon the ground in an angular position and adapted to receive the
loosened soil from a V-shaped or diagonally oriented scraper
or blade.
SEE OR SEARCH THIS CLASS, SUBCLASS:
| |||
394 | CABLE-OPERATED (E.G., DRAGLINE): |
This subclass is indented under the class definition. Apparatus including means to pull by a strand capable of
exerting only tensile force.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
395 | . Boom-type: |
This subclass is indented under subclass 394. Apparatus including an elongated member from which the strand
extends to the scoop or bucket.
A - Vehicle; B - Boom; C - Dragcable; D - Drag bucket
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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396 | .. Including means to control digging, hoisting, and dumping: |
This subclass is indented under subclass 395. Apparatus wherein the hauling and hoisting wires are manipulated
by a spring, latch, control briddle, draft
briddle, toggle mechanism, or similar implement
to regulate loading and unloading operations.
A - Bucket hood; B - Bucket; C - Loadingchain; D - Bucketforward end; E - Connecting means for hoist chain and bucket; F-; Hoist chain; G,K - Bucket trunions; H - Check line; J - Hoistline to boom; L - Supplementary control cable; M - Pulley block;N - Dragline SEE OR SEARCH CLASS:
| |||||||
397 | .. Including mounting or support structure (e.g., boom support, sheave or pulley support): |
This subclass is indented under subclass 395. Apparatus wherein the significance is attributed to the
boom or bearing support means (e.g., sheave
or pulley support).
SEE OR SEARCH CLASS:
| |||
398 | . Scoop or bucket: |
This subclass is indented under subclass 394. Apparatus including an excavating tool consisting of a ladle
or cylindrical container having a bottom, back and side
walls particularly adapted for use with a cable operated excavator.
A - Bucket side; B - Bucketend plate; C - Bucket lip;D - Lip bottom; E - Digging edge; F - Bracket; G - Digging teeth;H - Supporting cable; J - Dragging chain; K - Lifting chain SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||||
399 | .. Including support or mounting device (e.g., hitch, shackle, lifting or dumping trunion): |
This subclass is indented under subclass 398. Apparatus including attaching means to facilitate attachment
of a scoop or bucket to a cable line.
A - Dragline bucket; B - Bucketwalls; C - Bucket lip;D - Bucket teeth; E - Bucket trunions; F - Hoist chain; G - Shackle;H - Dump block; J - Rope sockets; K - Hitch plate
SEE OR SEARCH CLASS:
| |||||||||
400 | . Trolley-supported: |
This subclass is indented under subclass 394. Apparatus wherein the scoop or bucket is movable along or
upon a cableway, the cableway being so arranged to permit
the scoop or bucket to engage the ground for digging and filling, and
to be tightened to cause the scoop or bucket to be operated free
of the ground.
A,C - Cable drums; B - Bucket; D,E - Supporttowers; F -Load supporting cableway; G - Trolley assembly; H - Sheave pulley SEE OR SEARCH CLASS:
| |||||||
401 | .. Including cable or rope control means to facilitate loading, transporting, or dumping: |
This subclass is indented under subclass 400. Apparatus including manipulating means (e.g., spring, latch, lever, and
link mechanism) to regulate loading and unloading operations.
SEE OR SEARCH CLASS:
| |||
403 | COMBINED OR CONVERTIBLE: |
This subclass is indented under the class definition. Apparatus wherein the excavator includes an excavating tool
properly classifiable in this class in some way mounted or structurally
arranged for use along with another tool which may be either a tool
of this class or a tool of another class not superior to this class or
in which the excavator includes a tool properly classifiable in
this class which is particularly adapted to be changed or modified
in some way, or rearranged in some manner, so
as to either be used as a different type of tool or to effectively
become a different type of tool.
A - Tractor; B - Scoop or bucket; C - Boom; D - Roller; E- Scraperblade; F - Trench
SEE OR SEARCH CLASS:
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468 | . Having quick-connect coupling: |
This subclass is indented under subclass 403. Apparatus including a readily separable operating device
and a support device for connecting the bucket or scoop to the excavator
consisting of means operable to take up a condition to retain the
bucket with the excavator in engagement, or a release condition
to allow the detachment of the bucket from the excavator.
SEE OR SEARCH CLASS:
| |||||
404 | . Combined with subsoiler: |
This subclass is indented under subclass 403. Apparatus in which the excavator is provided with an earth
ripping tooth for ripping or scarifying the earth.
A - Vehicle; B - Bucket or scoop; C - Diggingedge; D - Scarifierteeth SEE OR SEARCH CLASS:
| |||||
405 | . Combined with fork or rake: |
This subclass is indented under subclass 403. Apparatus wherein one of the implements includes a plurality
of elongated tines.
A - Vehicle; B - Boom stick; C - Boomsupport; D - Bucket;E - Bucket control means; F - Boom control means; G - Rake SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||
406 | . Combined with clamp, grapple, or shear: |
This subclass is indented under subclass 403. Apparatus wherein one of the implements includes means for
gripping, holding, or clasping material or object, or
cutting means such as a fixed blade and a movable blade with means to
move the movable blade toward and away from the fixed blade.
Fig. 1 COMBINED WITH SHEAR; A - Vehicle; B - Hydraulicmeansfor bucket; C - Bucket; D - Shears; E - Shears actuating means FIG. 2 - COMBINEDWITH CLAMPA- Bucket; B - Digging teeth; C - Clamp; D - Boom stick; E - Control means SEE OR SEARCH CLASS:
| |||||||||||
407 | . With scraper: |
This subclass is indented under subclass 403. Apparatus wherein one of the implements is a leveling blade.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
| |||||||||
408 | .. Integrally mounted to a tool body and independently usable by repositioning the tool body: |
This subclass is indented under subclass 407. Apparatus including a leveling or scraping blade fixed to
another tool which becomes operational by movement of the tool combination (e.g., by
pivotal rotation or movement) so that only one tool can
be used at a time.
| |||
409 | .. Multicomponent tool (e.g., scoop or bucket) convertible by relative movement of tool parts: |
This subclass is indented under subclass 407. Apparatus wherein two or more implements movably cooperate
with one another whereby in one position of relative movement a
scraper blade is formed while in a different position of relative
movement another tool is operational.
FIG. 1 - AS BULLDOZER BLADE FIG. 2 - AS TRACTOR SHOVEL - A - Pusharmto vehicle; B- Bucket or scoop; C - Cutting shoes; D - Digging edge; E - Pivotlink | |
410 | .. Separate tools simultaneously mounted and independently usable: |
This subclass is indented under subclass 407. Apparatus including plural implements which are mounted
on the same vehicle or support structure but are not particularly
designed to cooperate with one another.
A - Scoop or bucket; B - Scoopcontrol means; C - Front wheels;D - Scraper; E - Connecting means to vehicle; F - Draw bar
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411 | SCOOP OR EXCAVATING AND TRANSPORTING CONTAINER: |
This subclass is indented under the class definition. Apparatus wherein the excavator includes a ladle, shovel, or
bucket capable of digging and holding the material.
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413 | . With alarm, indicator, signal, or inspection means: |
This subclass is indented under subclass 411. Apparatus including means to either acknowledge, measure,
detect, or examine a change in the excavator, the excavated material,
or the environment associated therewith.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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412 | . Supported on vehicle between longitudinally spaced ground supports: |
This subclass is indented under subclass 411. Apparatus wherein the scoop or container is held in position
by a vehicle having front or rear wheels or their equivalent.
A - Main bowl or scoop; B - Apron; C - Longitudinal support | |
414 | .. Condition responsive or programmable means controls the excavating operation: |
This subclass is indented under subclass 412. Apparatus having means to activate digging means into digging
condition by the control of a pre-established sequencing means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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415 | ... Control of attitude or depth of cut: |
This subclass is indented under subclass 414. Apparatus wherein the regulating means is specifically adapted to regulate the earth penetration. | |
416 | ... Control of scoop component (e.g., elevator, apron, or ejector): |
This subclass is indented under subclass 414. Apparatus wherein the significance is attributed to regulating the operation of one or more of the various components which make up the excavator (e.g., the loading mechanism, the gate which swings to close the bucket to retain the pile of earth, or the gate which discharges the earth). | |
417 | .. With specific suspension or means to steer or facilitate mounting of implement on vehicle: |
This subclass is indented under subclass 412. Apparatus wherein the significance is attributed to a system
of springs, shock absorbers, and other devices supporting the upper
part of the excavator, to a mechanism for directional control of
the excavator or to the draft frame for the excavator.
A - Tractor; B - Bowl; C - Goose neck (hitch); D - Draft tube;E - Draft arms; F - Suspension means | |
418 | .. With tandem or plural scoops or compartments: |
This subclass is indented under subclass 412. Apparatus including at least two buckets one behind the
other, or the bucket being divided into separate parts or sections
partitioned from one another with each separate part being adapted
to hold the excavated material.
A - Front or first bowl; B - Rear or second bowl; C,D - Diggingedge; E,F - Support or draft arms | |
419 | .. With means to aid loading or load distribution: |
This subclass is indented under subclass 412. Apparatus combined with means to help in directing the material
into the container as it moves over the ground or to help in spreading the
material more or less evenly throughout the container.
A - Tractor; B - Front wheels; C - Rear wheels; D - Gooseneck or coupling; E - Digging edge; F - Bowl; G - Loading structure;H - Loading blades; J - Load pusher; K - Earth section; L - Gradeof cut; M - Earth accumulation | |
420 | ... By auger: |
This subclass is indented under subclass 419. Apparatus wherein the mechanism which aids loading or load
distribution consists of a rotary conveyor having a shank with a
spiral channel or channels in the shape of a screw and is adapted
to feed or distribute the material.
A - Ground; B - Tractor; C - Hitch; D - Support frame;E - Digging edge; F - Auger; G - Earth; H - Bowl; J - Rear wheels | |
421 | ... By digging movement of apron: |
This subclass is indented under subclass 419. Apparatus wherein the mechanism which aids loading or load
distribution consists of a front gate or short ramp which normally
closes the front of the scoop to retain the load.
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422 | ... By endless conveyor: |
This subclass is indented under subclass 419. Apparatus wherein the mechanism which aids loading or load
distribution is in the form of a series of elements connected to
one another in a continuous loop travelling about two or more pulleys,
sprockets, or drums.
A - Bowl; B - Digging edge; C - Rear wheels; D - Tractor;E - Goose neck; F - Hitch; G - Draft arms; H - Endless conveyor | |
423 | .... With particular conveyor feature including drive means: |
This subclass is indented under subclass 422. Apparatus wherein the significance is attributed to structure
or the motion transmitting mechanism of the endless conveyor (e.g., sprocket,
chain, gearing).
SEE OR SEARCH THIS CLASS, SUBCLASS:
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424 | .. With coaction between apron or elevator and bowl: |
This subclass is indented under subclass 412. Apparatus wherein the significance is attributed to a relative
movement or interaction between the bucket that carries the earth
and the gate which swings to close the bucket to retain the pile
of earth or the mechanism which distributes earth evenly in the
bucket.
A - Bowl bottom; B - Digging edge; C - Bowl side walls;D - Rear apron; E - Front apron; F - Front apron control;G - Bowlstructure; H - Rear apron control; J - Earth; K - Rear wheels; L- Draft to vehicle | |
425 | ... Actuated by fluid means: |
This subclass is indented under subclass 424. Apparatus wherein the relative action between the apron
or elevator and bowl is controlled by hydraulic or pneumatic means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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426 | .. With coaction between apron or elevator and ejector: |
This subclass is indented under subclass 412. Apparatus wherein the significance is attributed to a relative
movement or interaction between the load pushing or discharging
member and the gate which swings to close the bucket to retain a
pile of earth or the mechanism which distributes the earth evenly
in the bucket.
A - Tractor; B - Bowl; C - Hitch; D - Draw bar; E - Draft bar;F - Digging edge; G - Elevator; H - Bowl walls; J - Fixed bowl floor;K - Ejector mechanism; L - Movable bowl floor A - Tow bar;B - Goose neck; C - Yoke ; D - Bowl; E - Diggingedge; F - Apron; J - Ejector mechanism; K - Ejector; L - Bowl frame;M - Front wheels; N - Rear wheels SEE OR SEARCH THIS CLASS, SUBCLASS:
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427 | .. With significant bowl structure or manipulation: |
This subclass is indented under subclass 412. Apparatus wherein the significance is attributed to the
way in which the scoop components are arranged or put together to
form a particular scoop shape or to the improvement in the operational
control of the body portion of the scoop.
A - Bowl side walls; B - Digging edge; C - Bowl supportframe; D - Gate; E - Gate support arms; F - Bowl support arms; G- Boom beam; H - Tow bar to vehicle; J - Rear wheels; K - Frontwheels; L - Control cable for bowl manipulation SEE OR SEARCH THIS CLASS, SUBCLASS:
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428 | ... Actuated by fluid means: |
This subclass is indented under subclass 427. Apparatus wherein the bowl manipulation is controlled by
hydraulic or pneumatic means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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429 | .. With significant apron structure or manipulation: |
This subclass is indented under subclass 412. Apparatus wherein the significance is attributed to the
way in which the gate components are arranged or put together to
form a particular shape or to the improvement in the operational control
of the gate.
A - Earth; B - Bowl; C - Digging edge; D - Apron mechanism;E - Apron control cable; F - Ground wheels
SEE OR SEARCH THIS CLASS, SUBCLASS:
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430 | ... Actuated by fluid means: |
This subclass is indented under subclass 429. Apparatus wherein the manipulation or movement of the apron is controlled by hydraulic or pneumatic means. | |
431 | .. With particular unloading feature: |
This subclass is indented under subclass 412. Apparatus in which the significance is attributed to act
of removing the excavated earth from the scoop.
A - Excavator; B - Digging edge; C - Bowl; D - Bowl sidewalls; E - Bowl floor; F - Discharge opening; G - Earth; H - Ejectorplate; J - Ejector mechanism | |
432 | ... Rear unloading: |
This subclass is indented under subclass 431. Apparatus wherein the earth is discharged from the back
of the scoop.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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433 | ... Revolving-type: |
This subclass is indented under subclass 431. Apparatus wherein the entire scoop or its bottom is rotated. | |
435 | . Mounted rearwardly of vehicle: |
This subclass is indented under subclass 411. Apparatus wherein the bucket or scoop is mounted at the
back of a vehicle, usually on a vehicle"s three-point linkage.
SEE OR SEARCH CLASS:
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467 | .. Handled or hand operated: |
This subclass is indented under subclass 435. Apparatus wherein the scoop or bowl is adapted to be controlled
at one end by a human being who walks rearwardly of the scoop or bowl
and controls its operation by grasping the handlebar or similar
means while the other end is connected to a suitable source of power
such as a draft animal or a tractor to draw the scoop or bowl over
the surface to be excavated.
A,B,C - Bowl or scraper; D - Connection to vehicle; E - Handle;F - Apron | |
436 | .. Bowl operatively connected to wheel axle: |
This subclass is indented under subclass 435. Apparatus wherein the bucket is pivotally connected to the wheel supporting shaft through a lever mechanism, rack and pinion mechanism, or ratchet and pawl mechanism whereby the rotation of the wheel supporting shaft imparts necessary force to the mechanism to operate the bucket. | |
437 | ... Including rear unloading: |
This subclass is indented under subclass 436. Apparatus wherein the material is discharged from the back
of the bowl.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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438 | .... Actuated by fluid means: |
This subclass is indented under subclass 437. Apparatus wherein the movement of the unloading mechanism is controlled by hydraulic or pneumatic means. | |
439 | ... With caster wheel or shoe: |
This subclass is indented under subclass 436. Apparatus wherein the bowl is additionally supported on a pilot wheel or sliding contact plate. | |
440 | ... Lever and latch mechanism: |
This subclass is indented under subclass 436. Apparatus wherein a metal bar pivoted on a fixed fulcrum causes the pivotal movement of the bowl. | |
441 | .. Dumping runner or revolving-type: |
This subclass is indented under subclass 435. Apparatus including a lever mechanism, rack and pinion mechanism,
or similar means for controlling the bowl when it is inverted for unloading.
SEE OR SEARCH CLASS:
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434 | . Manually operated (e.g., two-wheel barrow): |
This subclass is indented under subclass 411. Apparatus wherein the scoop is provided with a handle or
handles for hand manipulation for digging, transporting, and unloading
of material.
A - Scoop or bucket; B - Scoop adjusting means; C - Handlebarassembly | |
442 | . Pushed forwardly of vehicle for filling: |
This subclass is indented under subclass 411. Apparatus wherein the container or scoop is attached at
the front of a wheeled or tracked vehicle and is adapted to be pushed
into the material to be excavated.
A - Tractor; B - Lift arm or boom; C - Bucket positioningmechanism; D - Bucket SEE OR SEARCH CLASS:
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443 | . Dipper-type (e.g., backhoe bucket): |
This subclass is indented under subclass 411. Apparatus wherein the scoop or excavating container is normally
mounted on a pivoted boom which is mounted to a vehicle.
A - Backhoe bucket; B - Stick; C - Boom; D - Track wheels SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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444 | . Scoop or bucket structure, per se: |
This subclass is indented under subclass 411. Apparatus wherein the significance is attributed to the
components of the excavating container itself or some portion thereof
(e.g., scoop bottom, cutting edge).
A - Bucket interior; B - Bucket edge; C - Bottom wall; D- Mounting; E - Digging edge; F - Bucket teeth SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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445 | .. Including door structure or operator: |
This subclass is indented under subclass 444. Apparatus wherein the significance is attributed to the
operable and closable member which in the closed position retains
the load, and in the open position allows the load to fall from
the bottom of the scoop or container.
SEE OR SEARCH CLASS:
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446 | DIGGING EDGE: |
This subclass is indented under the class definition. Apparatus including a leading portion of a scoop, shovel,
or other implement which cuts into the material to be excavated
or the attachment structure thereof.
A - Bucket; B - Digging edge; C - Rear bracket wall; D- Bucket side walls; E - Mounting means SEE OR SEARCH CLASS:
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447 | . Oscillating or reciprocating: |
This subclass is indented under subclass 446. Apparatus wherein the leading portion of the excavating
implement is vibrated or moved back and forth relative to the remainder
of the implement.
A - Bucket; B - Boom arm; C - Hydraulic cylinder; D - Bucketteeth; E,F - Piston and piston rod; G - Vibrating hammer SEE OR SEARCH CLASS:
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448 | . Corner guard (e.g., corner tooth): |
This subclass is indented under subclass 446. Apparatus wherein at least one side of a bucket or scoop
is provided with an additional separable cutting or wear protection
element specifically adapted for being located at the junction of
a digging edge and the side wall of the bucket or scoop.
A - Corner guard; B - Bucket side wall; C - Bucket bottomplate ; D - Digging edge; E - Mounting means SEE OR SEARCH CLASS:
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449 | . Repositionable digging edge (e.g., reversible): |
This subclass is indented under subclass 446. Apparatus wherein a cutting implement is adapted to be disassembled
and reassembled in a different position so that a different portion
of the cutting implement can be used to directly engage the material
to be excavated.
A - Bucket bottom plate; B - Removable digging edge; C- Integral adaptor; D - Retaining means; E - Retaining means; F- Digging teeth
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450 | . Removable digging edge having integral tooth adaptor: |
This subclass is indented under subclass 446. Apparatus including a separable shroudlike cutting edge
having means for mounting cutting teeth thereon.
SEE OR SEARCH CLASS:
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451 | . Distinct wear element mounted between teeth: |
This subclass is indented under subclass 446. Apparatus wherein the removable cutting edge sections are
mounted between the digging teeth to increase life of the permanent
surface of a bucket or scoop.
Figure 1. A - Bucket side wall; B - Bucket lip or projection;C - Bucket pad; D - Bucket slot; E - Wear element; F - Corner adaptor Figure 2. A - Bucket; B - Digging edge; C - Digging teeth;D - Connecting lug; E - Tooth base portion; F - Reversible diggingedge | |
452 | . Tooth or adaptor: |
This subclass is indented under subclass 446. Apparatus combined with a shearing point or projection extending
from a digging edge being specifically adapted for penetrating or
breaking the ground, or a socket or projection having a structure
specifically adapted for mounting a digging tooth.
A - Tooth; B - Tooth front face; C - Tooth side face; D- Tooth adaptor or holder ; E - Tooth prongs; F - Top adaptor member;G - Bottom adaptor member | |
453 | .. Having wear cap: |
This subclass is indented under subclass 452. Apparatus including a replaceable element mounted on an
upper or a lower edge of a tooth or adaptor for prolonging the life
of the tooth or adaptor.
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454 | .. Repositionable or replaceable tooth (e.g., reversible): |
This subclass is indented under subclass 452. Apparatus wherein the digging tooth is adapted to be disassembled
and reassembled in a different position so that a different portion
of the digging point can be used to engage the material which is
to be excavated.
A - Adaptor; B - Tooth; C - Tooth reversible digging edge;D - Tooth working surface; E - Retaining means
SEE OR SEARCH THIS CLASS, SUBCLASS:
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455 | .. Mounting or retaining means: |
This subclass is indented under subclass 452. Apparatus including the specifics of the attachment structure
(e.g., clamp, pin, key, or interlocking surfaces) for releasably
securing a tooth or adaptor.
A - Bowl bottom wall; B - Tooth; C - Adaptor; D - Mountingor retaining means SEE OR SEARCH CLASS:
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456 | ... Including pin or key: |
This subclass is indented under subclass 455. Apparatus wherein the attachment structure includes a removable
wedge or rod-type retainer adapted to hold the tooth.
A - Tooth; B - Adaptor; C - Pin or key | |
457 | .... Having resilient elastomeric element: |
This subclass is indented under subclass 456. Apparatus also combined with a polymeric or rubberlike substance
having elastic properties adapted to provide a frictional retention
force.
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458 | .... Having resilient metallic element: |
This subclass is indented under subclass 456. Apparatus also combined with a hard springlike material
having elastic properties adapted to provide a frictional retention
force.
A - Bucket plate; B - Adaptor; C - Tooth; D - Opening forpin; E - Tooth digging edge; F - Opening for pin; G - Metallic spring;H - Pin or key SEE OR SEARCH CLASS:
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459 | ..... Wire or rod formed: |
This subclass is indented under subclass 458. Apparatus wherein the resilient metallic element is made
from an elongate element of a circular cross section.
A - Adaptor; B - Tooth; C - Adaptor opening for tooth; D- Wired spring; E - Pin or key SEE OR SEARCH CLASS:
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460 | . Specific material (e.g., specialty steel, heat treatment of material, specific hardness test): |
This subclass is indented under subclass 446. Apparatus wherein the significance is attributed to a substance
or treatment used in forming at least a part of a digging edge.
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142.5 | DITCH FILLER: |
This subclass is indented under the class definition. Apparatus which is specially adapted to place earth in a
ditch.
SEE OR SEARCH THIS CLASS, SUBCLASS:
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182 | ORANGE-PEEL BUCKETS: |
This subclass is indented under the class definition. Apparatus comprising grab buckets having more than two grapples. | |
461 | CLAMSHELL BUCKET: |
This subclass is indented under the class definition. Apparatus wherein the digging tool consists of two pivotally
cooperating digging elements which are adapted to be dropped in
the open position into the material to be excavated and then adapted
to be closed, thereby encompassing the material between the two
elements.
A - Clamshell bucket; B - Closing line; C - Holding line; D- Boom; E - Tag line; F - Boom hoist rope; G - Track; H - Turntable SEE OR SEARCH CLASS:
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184 | . Common pivot: |
This subclass is indented under subclass 461. Subject matter wherein each side grapple has a common pivot on which they are hinged together. | |
185 | .. Crossed lever: |
This subclass is indented under subclass 184. Subject matter wherein the operating levers extend from each shell and cross each other at the common pivot. | |
186 | . Contiguous pivots: |
This subclass is indented under subclass 461. Subject matter wherein each shell grapple is pivoted on a separate pivot close together. | |
187 | . Spaced pivots: |
This subclass is indented under subclass 461. Subject matter wherein the pivots are spaced far apart on the supporting frame. | |
188 | . Link-connected: |
This subclass is indented under subclass 461. Subject matter wherein the shells are connected indirectly to the support by means of links. | |
189 | ROTARY DIGGER: |
This subclass is indented under the class definition. General miscellaneous subclass with the rotary excavators.
SEE OR SEARCH CLASS:
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190 | . Endless conveyor: |
This subclass is indented under subclass 189. Subject matter wherein the digger delivers material to an endless conveyor. | |
462 | ENDLESS DIGGER: |
This subclass is indented under the class definition. Apparatus wherein the cutting or breaking device is in the
form of a series of elements connected to one another in a continuous
loop travelling about two or more pulleys, sprockets, or drums.
A - Spoil bank; B - Mass of overburden; C - Seam dug bythe excavator; D - Endless digging means; E - Endless flexible memberor chain; F - Tracked wheels SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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463 | . With endless conveyor: |
This subclass is indented under subclass 462. Apparatus wherein the means to carry or discharge the earth
includes an orbiting continuous carrier to receive the loosened
earth from the digger.
A - Prime mover support frame; B - Endless digging buckets;C - Endless flexible member or chain; D - Endless conveyor SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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464 | .. Having nonbucket-type digging means: |
This subclass is indented under subclass 463. Apparatus including cutting or breaking implements adapted
to drag the material during the excavating operation and do not
have any bottom and side walls to hold the excavated material.
A - Tractor or prime mover; B - Digging teeth (nonbucket-type);C - Endless chain; D - Ground ; E - Ditch; F - Sprockets SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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465 | . Digging chain, bucket, blade, or tooth structure, per se: |
This subclass is indented under subclass 462. Apparatus wherein the significance is attributed to the
configuration or shape of the excavating implement or to the improved
cutting effectiveness of the excavating implement or to the additional
or improved support or guide means.
A - Digging shovel; B - Digging edge; C - Digging face; D- Guide flange; E - Sprocket; F - Sprocket shaft; G - Chain link;H - Link pins SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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195 | PROCESSES: |
This subclass is indented under the class definition. Methods of excavating.
SEE OR SEARCH THIS CLASS, SUBCLASS:
SEE OR SEARCH CLASS:
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466 | MISCELLANEOUS: |
This subclass is indented under the class definition. Apparatus not properly classifiable in any preceding subclasses of this class. | |
901 | BUCKET CLEANERS |
Bucket cleaners. | |
902 | HYDRAULIC MOTORS |
Hydraulic motors. | |
903 | SCOOP OR SCRAPER ATTACHMENTS |
Scoop or scraper attachments. | |
904 | VIBRATION MEANS FOR EXCAVATING TOOL |
Vibration means for excavating tool. | |
905 | NONDREDGE EXCAVATING BY FLUID CONTACT OR EXPLOSION |
Nondredge excavating by fluid contact or explosion. | |
906 | VISUAL AIDS AND INDICATORS FOR EXCAVATING TOOL |
Visual aids and indicators for excavating tool. | |
907 | AUTOMATIC LEVELING EXCAVATORS |
Automatic leveling excavators. | |
908 | CANAL CLEANERS |
Canal cleaners. | |
FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
This subclass has no definition. | |