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![[Search a list of Patent Appplications for class 173]](../as.gif) Class 173 | TOOL DRIVING OR IMPACTING |
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![[List of Patents for class 173 subclass 1]](../ps.gif) | 1 | PROCESSES |
| | 2 | AUTOMATIC CONTROL OF POWER OPERATED MEANS |
| | 3 |  Responsive to condition of cleansing means |
| | 4 | Tool advance causing or controlling means |
| | 5 |  Responsive to torque or speed condition of drive |
| | 6 |  With additional control by means sensing condition of advance means |
| | 7 | Drive motor motivating energy condition initiates control |
| | 9 | Fluid flow or pressure operated advance means |
| | 10 | Responsive to length of stroke of means reciprocating hammer head or tool |
| | 11 | Drive means responsive to condition of advance causing or controlling means |
| | 176 | Drive means responsive to torque or speed condition |
| | 13 | DRIVE CONTROLLED BY RELATIVE AXIAL MOVEMENT OF TOOL |
| | 18 | DRIVE CONTROLLED BY RELATIVE MOVEMENT OF ADVANCE CAUSING OR CONTROLLING MEANS OR MANIPULATING HANDLE |
| | 19 | SELF-ACTING ADVANCE AND RETRACTION CYCLE |
| | 20 | WITH INDICATING OR SIGNALING MEANS |
| | 184 | WITH VEHICLE SUPPORT FOR DRIVE |
| | 185 | Pivoted |
| | 186 | Nontransporting means to support vehicle during tool operation |
| | 24 | Movement of vehicle causes tool advance |
| | 25 | Vehicle motor mechanically coupled to drive tool |
| | 27 | Vehicle motor and drive motor powered by same energy source |
| | 28 | Drive structure moved to nonuse position for transport |
| | 29 | CONVERTIBLE |
| | 30 | WITH MEANS ENGAGED BY PART OF HUMAN OTHER THAN HAND |
| | 31 | WITH WORK ENGAGING MEANS SUPPORTING DRIVE |
| | 32 | Anchored to work |
| | 34 | Structure extends between opposed points |
| | 36 | Structure engages work at point diametrically opposed to tool |
| | 37 | Relatively adjustable work engaging elements |
| | 38 | SWINGING ARM CAUSES ADVANCE WITH MEANS TO GUIDE RECTILINEAR TOOL ADVANCE |
| | 39 | WITH MEANS TO ADJUST POSITION OF AXIS OF TOOL ADVANCE |
| | 40 | Drive gearing displaced relative to source of power |
| | 42 | Plural adjustments |
| | 44 | Adjustment powered by motor or mechanism |
| | 45 | WITH MEANS TO SPACE AXIS OF TOOL ADVANCE RELATIVE TO PRIOR POSITION |
| | 46 | COMBINED |
| | 47 | DRIVE ADJUSTABLE TO COMPLETELY CHANGE KIND OF DRIVE |
| | 49 | DRIVE BY MEANS REACTING TO ROTATING ECCENTRIC MASS |
| | 50 | POWER PATHS TO PLURAL TOOLS FROM SINGLE DRIVE |
| | 52 | SINGLE ADVANCE CAUSING OR CONTROLLING MEANS OR MANIPULATING FOR PLURAL DRIVES |
| | 53 | HAMMER OR TOOL SHAFT RECIPROCATED BY GRIPPING MEANS WHICH RELEASE OR YIELD TO PERMIT ADVANCE |
| | 54 | With fixed means cyclically contacted by grip structure |
| | 56 | Means concurrently moving shaft about an axis |
| | 197 | WORK CLEANSING |
| | 58 | Controlled by relative movement between drive and tool, advance causing or controlling means or manipulating means |
| | 59 | By motive fluid for drive motor or advance causing or controlling motor |
| | 60 | Motive fluid does not contact work but induces flow of another fluid |
| | 61 | Additional cleansing fluid source |
| | 62 | With means providing for independent use of either fluid |
| | 63 | Motive fluid for cleansing bypasses motor chamber |
| | 64 | Supply for cleansing bypasses motor chamber |
| | 66 | Fluid supplied through working chamber of idled cyclically operable drive motor |
| | 71 | With means to inhibit return of detritus into cleansing passage |
| | 72 | Fluid supplied through chamber of advance causing or controlling motor |
| | 73 | Directed into passage in tool |
| | 74 | Plural cleansing fluid sources |
| | 75 | Cleansing fluid pump operated by drive |
| | 77 | Cleansing fluid controlled by control for drive or advance causing or controlling means |
| | 78 | Cleansing fluid passage through hammer head |
| | 79 | Drive motor or advance causing or controlling motor provided with passage for cleansing fluid |
| | 80 | Cleansing fluid passage in impact transmitting anvil |
| | 198 | Using vacuum or reverse circulation |
| | 199 | Having outside conduit to supply cleansing fluid |
| | 81 | MEANS TO CONTROL ADVANCE AND CYCLICALLY RECIPROCATE A CABLE-OPERATED HAMMER OR TOOL |
| | 82 | With means to synchronize advance with reciprocating drive |
| | 83 | Advance means bodily reciprocated |
| | 84 | Hammer or tool cyclically disconnected from cable |
| | 85 | With plural cable drums |
| | 86 | Relatively elevated guide engaging cable between drive and hammer or tool |
| | 90 | IMPACTING DEVICES (E.G., HAMMERS) |
