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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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SAWS; COMPONENTS OR ACCESSORIES THEREFOR (saws specially adapted for pruning or debranching A01G 3/08; sawing apparatus specially adapted for felling trees A01G 23/091; features not restricted to a particular type of wood saw B23D, e.g. attaching saw blades B23D 51/00; machine tool frames, beds, pillars or analogous members, in general B23Q 1/01)
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Methods for subdividing trunks or logs essentially involving sawing (features of machines used, see the relevant groups for the machines)
B27B 1/002
.
{
by cross-cutting (saw benches with non-feedable circular saw blades for cross-cutting laterally fed workpieces B27B 5/228; cross-cutting reciprocating saws with power drive B27B 11/00)
}
B27B 1/005
.
{
including the step of dividing the log into sector-shaped segments
}
B27B 1/007
.
{
taking into account geometric properties of the trunks or logs to be sawn, e.g. curvature
}
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Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
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B27B 3/02
.
with vertically-reciprocating saw frame
B27B 3/04
. .
with multiple- blade saw frame
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B27B 3/06
. .
with side blade saw frame
B27B 3/08
. . .
combined with multiple-blade saw frame
B27B 3/10
. .
Saw frames or guides therefor
B27B 3/12
. .
Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibration; Arrangements for counter-balancing (B27B 3/26 takes precedence)
B27B 3/14
. .
Arrangements for raising or lowering the feed rollers
B27B 3/16
. .
Driving mechanisms for the feed rollers
B27B 3/18
. .
Controlling equipment, e.g. for controlling the drive
B27B 3/20
. .
Equipment for guiding the sawn part of timber during machining, e.g. preventing faults due to torsional stress
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B27B 3/22
.
with horizontally-reciprocating saw frame
B27B 3/24
. .
Arrangements for raising and lowering the saw frame
B27B 3/26
. .
Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibrations; Arrangements for counter-balancing
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B27B 3/28
.
Components
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B27B 3/30
. .
Blade attachments, e.g. saw buckles; Stretching devices
B27B 3/32
. . .
the stretching devices being equipped with screw-threaded or wedging means
B27B 3/34
. . .
the stretching devices being actuated by fluid pressure
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B27B 3/36
. .
Devices for adjusting the mutual distance of the saw blades
B27B 3/38
. . .
Spacing bars; Spacing plates
B27B 3/40
. .
Devices for adjusting the overhang of the saw
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Guide Heading:
Circular saws
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Sawing machines working with circular
{
or cylindrical
}
saw blades (for length sawing of trunks B27B 7/00); Components or equipment therefor
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B27B 5/02
.
characterised by a special purpose only
B27B 5/04
. .
for edge trimming
{
(equipment for adjusting the mutual distance between the saw blades B27B 5/34)
}
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B27B 5/06
. .
for dividing plates in parts of determined size, e.g. panels
B27B 5/061
. . .
{
Devices having saws perpendicular to each other (B27B 5/075 takes precedence)
}
B27B 5/063
. . .
{
Sawing travelling workpieces
}
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B27B 5/065
. . .
with feedable saw blades, e.g. arranged on a carriage
B27B 5/07
. . . .
the plate being positioned in a substantially vertical plane (B27B 5/075 takes precedence)
B27B 5/075
. . . .
characterised by having a plurality of saw blades, e.g. turning about perpendicular axes
B27B 5/08
. .
for sawing with the saw blade abutting parallel against a surface of the workpiece
B27B 5/10
.
Wheeled circular saws; Circular saws designed to be attached to tractors or other vehicles and driven by same
{
(saw assemblies designed to be mounted on or driven by tractors B27B 11/12)
}
B27B 5/12
.
Cylinder saws
{
(B27C 1/007 takes precedence)
}
B27B 5/14
.
Rim-driven circular saws
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B27B 5/16
.
Saw benches (B27B 15/06 takes precedence)
B27B 5/165
. .
{
Convertible sawing devices
}
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B27B 5/18
. .
with feedable circular saw blade, e.g. arranged on a carriage
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B27B 5/181
. . .
{
the saw blade being arranged underneath a work-table
}
B27B 5/182
. . . .
{
the saw blade performing a pivoting movement only
}
B27B 5/184
. . . .
{
the saw blade performing a rectilinear movement only
}
B27B 5/185
. . .
{
the saw blade being carried by a pivoted lever (B27B 5/181 and B27B 5/188 take precedence)
}
B27B 5/187
. . .
{
the saw blade being fitted on a movable carriage (B27B 5/181 takes precedence)
}
B27B 5/188
. . .
{
the saw blade being mounted on a hanging arm or at the end of a set of bars, e.g. parallelograms
}
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B27B 5/20
. . .
the saw blade being adjustable according to depth or angle of cut; Radial saws, i.e. sawing machines with a pivoted radial arm for guiding the movable carriage
B27B 5/201
. . . .
{
Radial sawing machines; Machines having a saw blade on an extendable radial arm
}
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B27B 5/202
. . . .
{
with the saw blade underneath a work-table
}
B27B 5/203
. . . . .
{
the saw blade performing a pivoting movement only
}
B27B 5/205
. . . . .
{
the saw blade performing a rectilinear movement only
}
B27B 5/206
. . . .
{
the saw blade being carried by a pivoted lever (B27B 5/208 takes precedence)
}
B27B 5/207
. . . .
{
the saw blade being fitted on a movable carriage
}
B27B 5/208
. . . .
{
the saw blade being mounted on a hanging arm or at the end of a set of bars, e.g. parallelograms
}
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B27B 5/22
. .
with non-feedable circular saw blade
B27B 5/222
. . .
{
the saw blade being arranged underneath the work-table; Guiding arrangements for the work-table
}
B27B 5/224
. . .
{
the workpieces being fitted on a pivoting support
}
B27B 5/226
. . .
{
the workpieces being radially fed by means of a turning drum
}
B27B 5/228
. . .
{
Cross-cutting automatically laterally-fed travelling workpieces; Reducing lumber to desired lengths
}
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B27B 5/24
. . .
the saw blade being adjustable according to depth or angle of cut
B27B 5/243
. . . .
{
the saw blade being arranged underneath the work-table (the circular saw blade arranged underneath a stationary work-table for sawing material in general B23D 45/06)
}
B27B 5/246
. . . .
{
End cutting of automatically laterally-fed travelling workpieces
}
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B27B 5/26
. . .
the table being adjustable according to depth or angle of cut
B27B 5/265
. . . .
{
with the saw blade arranged underneath the work-table
}
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B27B 5/29
.
Details; Component parts; Accessories
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B27B 5/30
. .
for mounting or securing saw blades or saw spindles
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B27B 5/32
. . .
Devices for securing circular saw blades to the saw spindle
B27B 5/325
. . . .
{
using fluid pressure means
}
B27B 5/34
. . .
Devices for securing a plurality of circular saw blades on a single saw spindle; Equipment for adjusting the mutual distance
{
(arrangements for adjusting the mutual distances of circular saw machines for lengthwise sawing of trunks B27B 7/04)
}
B27B 5/36
. . .
Mounting for swivelling or tilting the circular saw blade,
{
e.g. using an adjustable mounting (slotting or mortising machines B27F 5/02)
}
B27B 5/38
. .
Devices for braking the circular saw blade or the saw spindle; Devices for damping vibrations of the circular saw blade, e.g. silencing
{
(B23D 47/005 takes precedence)
}
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Sawing machines working with circular saw blades, specially designed for length sawing of trunks
B27B 7/02
.
by making use of circular saws mounted substantially at right angles, e.g. vertically and horizontally
B27B 7/04
.
by making use of a plurality of circular saws mounted on a single spindle; Arrangements for adjusting the mutual distances
{
(equipment for adjusting the mutual distance of circular wood saws in general B27B 5/34)
}
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Portable power-driven circular saws for manual operation (details or components, e.g. handles, casings, of portable power-driven tools not particularly related to the operation performed B25F 5/00)
B27B 9/02
.
Arrangements for adjusting the cutting depth or the amount of tilting
B27B 9/04
.
Guiding equipment, e.g. for cutting panels
{
(circular sawing machines for dividing plates in parts of determined size, e.g. panels B27B 5/06)
}
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Cross-cut reciprocating saws with power drive; Appurtenances therefor
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B27B 11/02
.
Arrangements for guiding the saw blade
B27B 11/04
. .
Supports able to be attached to the work
B27B 11/06
.
Arrangements for chucking the saw blade, with or without releasable transmission mechanisms for uncoupling the drive
B27B 11/08
.
Frames, pillars, or beds
B27B 11/10
.
Devices for clamping the work or holding same in position
B27B 11/12
.
Saw assemblies designed to be mounted on or driven by tractors
{
(circular saws designed to be attached to tractors or other vehicles and driven by same B27B 5/10)
}
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Guide Heading:
Band or strap sawing machines
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Band or strap sawing machines (for length cutting of trunks B27B 15/00); Components or equipment therefor
B27B 13/02
.
Frames; Pillars
B27B 13/04
.
Work-tables; Arrangements for tilting the band saw blade
B27B 13/06
.
Saw pulleys; Bearings therefor
B27B 13/08
.
Arrangements for stretching the band saw blade
{
(B23D 55/10 takes precedence)
}
B27B 13/10
.
Guiding equipment for the band saw blade, e.g. guide rollers, back guides, side guides
{
(B23D 55/08 takes precedence)
}
B27B 13/12
.
Lubricating devices specially designed for band saw blades
B27B 13/14
.
Braking devices specially designed for band sawing machines, e.g. acting after damage of the band saw blade
B27B 13/16
.
Accessories, e.g. for cooling the saw blade
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Band or strap sawing machines specially designed for length cutting of trunks
B27B 15/02
.
with horizontally-guided saw blade, i.e. horizontal log band saw
B27B 15/04
.
with vertically-guided saw blade
B27B 15/06
.
in combined arrangement with circular saws for performing simultaneously several sawing procedures
B27B 15/08
.
with a plurality of band saw blades
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Chain saws; Equipment therefor
{
(slotting or mortising machines equipped with chain cutters B27F 5/06)
}
B27B 17/0008
.
{
Means for carrying the chain saw, e.g. handles (B27B 17/0033 takes precedence)
}
B27B 17/0016
.
{
Devices to adapt the chain saw for other purposes, e.g. drilling
}
B27B 17/0025
.
{
Length measuring devices incorporated in the chain saw
}
B27B 17/0033
.
{
Devices for attenuation of vibrations
}
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B27B 17/0041
.
{
Saw benches or saw bucks
}
B27B 17/005
. .
{
with the saw mounted on a carriage
}
B27B 17/0058
. .
{
with the saw being pivotally mounted
}
B27B 17/0066
. .
{
with the saw mounted upright
}
B27B 17/0075
. .
{
the workpiece being held in a cantilever manner
}
B27B 17/0083
.
{
Attachments for guiding or supporting chain saws during operation
}
B27B 17/0091
.
{
Wheeled chain saws; Chain saws mounted on or driven by vehicles, e.g. for sawing trees in situ
}
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B27B 17/02
.
Chain saws equipped with guide bar (B27B 17/06 takes precedence)
B27B 17/025
. .
{
Composite guide bars, e.g. laminated, multisectioned; Guide bars of diverse material
}
B27B 17/04
. .
Roller bearing guides
B27B 17/06
.
Chain saws mounted on a bow
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B27B 17/08
.
Drives or gearings; Devices for swivelling or tilting the chain saw
B27B 17/083
. .
{
Devices for arresting movement of the saw chain
}
B27B 17/086
. .
{
Angle drives
}
B27B 17/10
. .
Transmission clutches specially designed for chain saws
B27B 17/12
.
Lubricating devices specially designed for chain saws
B27B 17/14
.
Arrangements for stretching the chain saw
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Other reciprocating saws with power drive; Fret-saws
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B27B 19/002
.
{
Power-driven hand saws
}
B27B 19/004
. .
{
in which the saw blade is chucked at both ends
}
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B27B 19/006
.
{
with oscillating saw blades; Hand saws with oscillating saw blades
}
B27B 19/008
. .
{
having a plurality of saw blades or saw blades having plural cutting zones
}
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B27B 19/02
.
Saws with a power- driven blade chucked at both ends or at one end only, e.g. jig saws, scroll saws (B27B 19/10 takes precedence)
B27B 19/04
. .
characterised by power drive, e.g. by electromagnetic drive
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B27B 19/06
. .
Stationary machines
B27B 19/065
. . .
{
hand-operated or foot-operated
}
B27B 19/09
. .
portable
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B27B 19/10
.
Fret-saws, i.e. with bilaterally chucked saw blade in a manually-guided bow
B27B 19/12
. .
with power drive
B27B 19/14
. .
with hand drive
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Hand saws without power drive (
{
hand saws with oscillating saw blades,
}
B27B 19/14 takes precedence)
; Equipment for hand sawing, e.g. saw horses
{
(work benches B25H 1/00; saw guides B27B 11/02)
}
B27B 21/02
.
Buck or hack saws
B27B 21/04
.
Cross-cut saws; Pad saws
B27B 21/06
.
Arrangements for stretching the saw blade
B27B 21/08
.
Arrangements of gauging or adjusting equipment on hand saws, e.g. for limiting the cutting depth
Other cutting of wood by non-rotary toothed tools; Tools therefor (cutting with hot wire B27M 1/06)
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Guide Heading:
Components or accessories for saws
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Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees (
{
B27B 29/00
}
, B27B 31/00 take precedence)
B27B 25/02
.
with feed and pressure rollers
B27B 25/04
.
with feed chains or belts
B27B 25/06
.
Resilient feeding or pressing accessories, e.g. pads, springs
B27B 25/08
.
Feeding devices able to be attached to any sawing machine
B27B 25/10
.
Manually-operated feeding or pressing accessories, e.g. pushers
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Guide fences or stops for timber in saw mills or sawing machines; Measuring equipment thereon (safety guards or devices specially designed for wood saws B27G 19/00; constructional features of measuring devices G01B)
B27B 27/02
.
arranged laterally and parallel with respect to the plane of the saw blade
B27B 27/04
.
arranged perpendicularly to the plane of the saw blade
B27B 27/06
.
arranged angularly with respect to the plane of the saw blade, e.g. for mitring
{
(devices for mitring wood B27G 5/00)
}
B27B 27/08
.
arranged adjustably, not limited to only one of the groups B27B 27/02 to B27B 27/06
B27B 27/10
.
Devices for moving or adjusting the guide fences or stops
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Gripping, clamping, or holding devices for the trunk or log in saw mills or sawing machines (for other timber, see the relevant groups for the machines; safety guards or devices specially designed for wood saws B27G 19/00); Travelling trunk or log carriages
{
(for logs being held in a cantilever manner B27B 17/0075)
}
B27B 29/02
.
Clamping angles; Gripping equipment thereon
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B27B 29/04
.
Trunk or log carriages with gripping means which do not pass the saw blade(s), specially for gang saws; Arrangement of gripping accessories thereon
B27B 29/06
. .
Auxiliary trunk or log carriages for carrying initially the log to the feed rollers or for carrying the sawn part of the log
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B27B 29/08
.
Trunk or log carriages with gripping means designed to pass the saw blade(s), especially for band saws; Arrangement of gripping accessories thereon; Turning devices thereon
B27B 29/085
. .
{
Turning devices thereon
}
B27B 29/10
. .
Assemblies for laterally adjusting or controlling the clamping or turning devices with respect to the thickness of the board to be sawn
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Arrangements for conveying, loading, turning, adjusting, or discharging the log or timber, specially designed for saw mills or sawing machines(B27B 29/00 takes precedence;
{
arrangements for raising or lowering the feed rollers of gang saw millsB27B 3/14 ; driving mechanisms for the feed rollers of gang saw millsB27B 3/16
}
)
B27B 31/003
.
{
with rollers
}
B27B 31/006
.
{
with chains or belts
}
B27B 31/02
.
Loading equipment for travelling carriages
B27B 31/04
.
Turning equipment
{
(turning devices on trunk or log carriages B27B 29/08)
}
B27B 31/06
.
Adjusting equipment, e.g. using optical projection
{
(see also B27L 5/022)
}
B27B 31/08
.
Discharging equipment
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Sawing tools for saw mills, sawing machines, or sawing devices
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B27B 33/02
.
Structural design of saw blades or saw teeth
B27B 33/04
. .
Gang saw blades
B27B 33/06
. .
Band saw blades
B27B 33/08
. .
Circular saw blades
B27B 33/10
. .
Hand saw blades
B27B 33/12
. .
Saw blades having inserted or exchangeably arranged bits or toothed segments
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B27B 33/14
.
Saw chains
{
(saw chains for slotting or mortising devices B27F 5/08)
}
B27B 33/141
. .
{
with means to control the depth of cut
}
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B27B 33/142
. .
{
Cutter elements
}
B27B 33/144
. . .
{
having cutting inserts or exchangeable cutting teeth
}
B27B 33/145
. . .
{
having plural teeth on a single link
}
B27B 33/147
. .
{
with incorporated lubricating means
}
B27B 33/148
. .
{
with means permitting replacement of cutter elements
}
B27B 33/16
.
Saw wires; Twisted saw strips
B27B 33/20
.
Edge trimming saw blades or tools combined with means to disintegrate waste
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013