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Class Number: 173 Class Title: TOOL DRIVING OR IMPACTING Subclass Subclass Number Title 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 8 ....Motive fluid flow or pressure condition of drive motor 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 177 ..Fluid pressure change controls drive 178 ..Having torque responsive clutch 179 ..With speed responsive governor 180 ..With torque indicator 181 ..Having torque sensor 182 ...Strain gauge 183 ...Proximity angle detector 13 DRIVE CONTROLLED BY RELATIVE AXIAL MOVEMENT OF TOOL 14 .Reciprocating drive member connected to pulsing fluid column 15 .Drive motor controlled 16 ..Modified internal motor operation 17 ...Motor piston movement modified relative to motive fluid port 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 21 .Distance of advance 184 WITH VEHICLE SUPPORT FOR DRIVE 185 .Pivoted 186 .Nontransporting means to support vehicle during tool operation 187 ..Adjustable nontransporting means 188 ...Having screw threads 189 ...Having fluid cylinder 24 .Movement of vehicle causes tool advance 25 .Vehicle motor mechanically coupled to drive tool 26 ..Drive gearing displaced relative to source of power 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 33 ..Balanced with respect to axis of tool advance 34 .Structure extends between opposed points 35 ..Tool advanced laterally of structure 36 .Structure engages work at point diametrically opposed to tool 37 .Relatively adjustable work engaging elementss 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 41 ..With plural relatively displaced gearing sections 42 .Plural adjustments 190 ..Powered by motor or mechanism 191 ...Having screw threads 192 ...Having turntable 193 ...Having fluid motor 194 ....With mechanical movement 195 .....With flexible endless member 196 ...Having flexible endless member 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 48 .Adjustable to impacting device 49 DRIVE BY MEANS REACTING TO ROTATING ECCENTRIC MASS 50 POWER PATHS TO PLURAL TOOLS FROM SINGLE DRIVE 51 .Drive plural means to reciprocate hammer heads or tools 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 55 ..Contact moves grips out of shaft engagement 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 65 ...Controlled by motor inlet throttle valve 66 ..Fluid supplied through working chamber of idled cyclically operable drive motor 67 ...Supplied through distributor maintained in fixed position 68 ....Motor inlet throttle valve maintains distributor fixed 69 ....Motor exhaust throttled 70 ....Mechanically maintained in fixed position 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 76 ..Pump comprises hammer head or impact transmitting anvil 77 .Cleansing fluid controlled by control for drive or advance causing or controlling means 78 .Cleansing fluid passage through hammer headd 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 87 ..Drive is oscillating cable drum 88 ..Drive is oscillating cable engaging means 89 ...Drive permits hammer or tool to freely drop 90 IMPACTING DEVICES (E.G., HAMMERS) 91 .Selective axial direction of impact 92 .With means to grip and release tool in timed relation to impact 93 .With anvil arranged to transmit torsional impact to tool 93.5 ..Rotary tool drive having torque responsive impact 93.6 ...Hammer head reciprocates along rotary axis 93.7 ..Torque transmitted from hammer head traveling axially only 94 .Hammer head moves in arcuate path or rotates 95 ..Hammer head reciprocates along fixed transverse axis 96 ...Arcuate or rotary movement selectively releasable or variable independent of reciprocation 97 ...Arcuate or rotary movement transmitted to tool 98 ..Hammer head moves out of arcuate or rotary path 99 ...Movement out of path is about rotating pivot 100 ..Hammer head movement is oscillatory 101 .Plural relatively moved hammer heads 102 ..One impacts another 103 ..Concentric 104 .With means for rotating tool 105 ..Rotated by separate motor 106 ...Rotation motor exhaust is motive fluid for hammer motor 107 ...Motive fluid supplied to rotation motor is hammer motor exhaust 108 ...Reciprocating type separate motor 109 ..Rotated by hammer head or drive for hammer head 110 ...Rotation is intermittent or oscillatory 111 ....Rotary drive path is directly through hammer head 112 .With means to cause or control advance of hammer head 113 ..Advance operated by hammer drive or actuated in response to hammer vibration 114 .With means to reciprocate tool 115 .Length of cyclic travel of hammer head selectively adjustable 200 .Hammer head driven by pulsating fluid pressure 201 ..Pulsation caused by mechanical movement 117 .Hammer head driven by electric motor 118 .Spring bodily cyclically moved with hammer head 202 .Hammer head driven by spring 203 ..Having cam to compress spring 204 ..Fluid spring 120 ..With means to adjust spring forcee 121 ..Spring retracts hammer head 122 .Hammer head driven by relatively moving motion transmitting element 205 ..Rotary cam 124 ..Cyclically disconnected from motion transmitting element 125 .Hammer head constitutes or fixed to drive motor cylinder 126 .Hammer head comprises plural parts or diverse materials 127 ..Piston of drive motor 128 .Impact transmitting anvil 129 ..Attachable at plurality of points along tool 130 ..Adapted to fit tool noncircular in cross section 131 ..Formed of plural transmitting part or separate layers 132 ..With means to directly connect anvil to tool 133 ..Anvil retained for limited movement 206 .Hammer head constitutes piston of drive motor 207 ..Having valve not directly associated with motive fluid for piston 208 ...With accumulator 209 ..Driven by internal combustion engine 135 ..Motive fluid applied to striking face 136 ...Supplied through passage in striking face 137 ...Reduced area striking face 138 ..With means to conduct motive fluid to or from striking face 210 .With impact cushioning means 211 ..Mechanical spring 212 ..Fluid spring 140 DRIVE GEARING ADVANCES RELATIVE TO SOURCE OR POWER 141 ADVANCE CAUSING OR CONTROLLING MEANS 142 .Operated solely by vibrations from reciprocating element in tool drive 143 ..Intermittent unidirectional rotation of advance element 144 .Reciprocatory drive and advance originate from same mechanical element 145 .Rotary drive and advance originate from same mechanical element 146 ..Friction clutch or torque yielding couple in connecting train 147 .Driven flexible member causes advance 148 .Tool advances relative to drive 149 ..Advance means engageable with tool shaft at any point 150 ..Advance motor working member coaxial with tool shaft 151 ..Cable means controls advance 152 .Motor causes or controls advance 153 ..Drive motor exhaust is motive fluid for advance motor 154 ..Drive motor generates advance motor motive energy 155 ..Advance motor exhaust is motive fluid for drive motor 156 ..With lock or brake operable during advance 157 ..Common control element for advance and drive motors 158 ...With relatively movable advance motor control element 159 ..Common energy supply for advance and drive motors 160 ..Advance means includes relatively movable transmission element 161 ..Advance motor control in tool drive manipulating handle 162.1 INCLUDING MEANS TO VIBRATIONALLY ISOLATE A DRIVE MEANS FROM ITS HOLDER 162.2 .Handle type holder 213 MEANS TO DRIVE TOOL ABOUT AN AXIS 214 .Plural tools 215 .Endless flexible drive meanss 216 .Gear drive 217 .Electric motor 218 .Fluid motor 219 ..Having sound attenuator 220 ..With means to rotate reciprocating piston 221 ..With manual means to control motor 222 ..Plural motors 164 .Means to hold and relatively rotate sections of tool shaft 165 .Relatively fixed drive for an advancing tool 166 ..With advance stopping means having selectively operable actuating mechanism 167 ..With advance stopping means adapted to grip tool shaft at any point 168 PASSAGE IN MANIPULATING HANDLE FOR DRIVE MOTOR MOTIVE FLUID 169 .Motive fluid control valve in handle passage 170 DRIVE CONTROL OPERABLE BY HAND ENGAGING MANIPULATING HANDLE 171 MISCELLANEOUS * ****************************** * DIGESTS * ****************************** DIG 1 Operable submerged in liquid DIG 2 Sound muffling DIG 3 Lubrication DIG 4 Liquid operated