US Patent Class 173
TOOL DRIVING OR IMPACTING



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Current as of: June, 1999
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  DF  CLASS NOTES
1  DF  PROCESSES
2  DF  AUTOMATIC CONTROL OF POWER OPERATED MEANS
3  DF  .~ Responsive to condition of cleansing means
4  DF  .~ Tool advance causing or controlling means
5  DF  .~.~ Responsive to torque or speed condition of drive
6  DF  .~.~.~ With additional control by means sensing condition of advance means
7  DF  .~.~.~ Drive motor motivating energy condition initiates control
8  DF  .~.~.~.~ Motive fluid flow or pressure condition of drive motor
9  DF  .~.~.~ Fluid flow or pressure operated advance means
10  DF  .~.~ Responsive to length of stroke of means reciprocating hammer head or tool
11  DF  .~ Drive means responsive to condition of advance causing or controlling means
176  DF  .~ Drive means responsive to torque or speed condition
177  DF  .~.~ Fluid pressure change controls drive
178  DF  .~.~ Having torque responsive clutch
179  DF  .~.~ With speed responsive governor
180  DF  .~.~ With torque indicator
181  DF  .~.~ Having torque sensor
182  DF  .~.~.~ Strain gauge
183  DF  .~.~.~ Proximity angle detector
13  DF  DRIVE CONTROLLED BY RELATIVE AXIAL MOVEMENT OF TOOL
14  DF  .~ Reciprocating drive member connected to pulsing fluid column
15  DF  .~ Drive motor controlled
16  DF  .~.~ Modified internal motor operation
17  DF  .~.~.~ Motor piston movement modified relative to motive fluid port
18  DF  DRIVE CONTROLLED BY RELATIVE MOVEMENT OF ADVANCE CAUSING OR CONTROLLING MEANS OR MANIPULATING HANDLE
19  DF  SELF-ACTING ADVANCE AND RETRACTION CYCLE
20  DF  WITH INDICATING OR SIGNALING MEANS
21  DF  .~ Distance of advance
184  DF  WITH VEHICLE SUPPORT FOR DRIVE
185  DF  .~ Pivoted
186  DF  .~ Nontransporting means to support vehicle during tool operation
187  DF  .~.~ Adjustable nontransporting means
188  DF  .~.~.~ Having screw threads
189  DF  .~.~.~ Having fluid cylinder
24  DF  .~ Movement of vehicle causes tool advance
25  DF  .~ Vehicle motor mechanically coupled to drive tool
26  DF  .~.~ Drive gearing displaced relative to source of power
27  DF  .~ Vehicle motor and drive motor powered by same energy source
28  DF  .~ Drive structure moved to nonuse position for transport
29  DF  CONVERTIBLE
30  DF  WITH MEANS ENGAGED BY PART OF HUMAN OTHER THAN HAND
31  DF  WITH WORK ENGAGING MEANS SUPPORTING DRIVE
32  DF  .~ Anchored to work
33  DF  .~.~ Balanced with respect to axis of tool advance
34  DF  .~ Structure extends between opposed points
35  DF  .~.~ Tool advanced laterally of structure
36  DF  .~ Structure engages work at point diametrically opposed to tool
37  DF  .~ Relatively adjustable work engaging elements
38  DF  SWINGING ARM CAUSES ADVANCE WITH MEANS TO GUIDE RECTILINEAR TOOL ADVANCE
39  DF  WITH MEANS TO ADJUST POSITION OF AXIS OF TOOL ADVANCE
40  DF  .~ Drive gearing displaced relative to source of power
41  DF  .~.~ With plural relatively displaced gearing sections
42  DF  .~ Plural adjustments
190  DF  .~.~ Powered by motor or mechanism
191  DF  .~.~.~ Having screw threads
192  DF  .~.~.~ Having turntable
193  DF  .~.~.~ Having fluid motor
194  DF  .~.~.~.~ With mechanical movement
195  DF  .~.~.~.~.~ With flexible endless member
196  DF  .~.~.~ Having flexible endless member
44  DF  .~ Adjustment powered by motor or mechanism
45  DF  WITH MEANS TO SPACE AXIS OF TOOL ADVANCE RELATIVE TO PRIOR POSITION
46  DF  COMBINED
47  DF  DRIVE ADJUSTABLE TO COMPLETELY CHANGE KIND OF DRIVE
48  DF  .~ Adjustable to impacting device
49  DF  DRIVE BY MEANS REACTING TO ROTATING ECCENTRIC MASS
50  DF  POWER PATHS TO PLURAL TOOLS FROM SINGLE DRIVE
51  DF  .~ Drive plural means to reciprocate hammer heads or tools
52  DF  SINGLE ADVANCE CAUSING OR CONTROLLING MEANS OR MANIPULATING FOR PLURAL DRIVES
53  DF  HAMMER OR TOOL SHAFT RECIPROCATED BY GRIPPING MEANS WHICH RELEASE OR YIELD TO PERMIT ADVANCE
54  DF  .~ With fixed means cyclically contacted by grip structure
55  DF  .~.~ Contact moves grips out of shaft engagement
56  DF  .~ Means concurrently moving shaft about an axis
197  DF  WORK CLEANSING
58  DF  .~ Controlled by relative movement between drive and tool, advance causing or controlling means or manipulating means
59  DF  .~ By motive fluid for drive motor or advance causing or controlling motor
60  DF  .~.~ Motive fluid does not contact work but induces flow of another fluid
61  DF  .~.~ Additional cleansing fluid source
62  DF  .~.~.~ With means providing for independent use of either fluid
63  DF  .~.~.~ Motive fluid for cleansing bypasses motor chamber
64  DF  .~.~ Supply for cleansing bypasses motor chamber
65  DF  .~.~.~ Controlled by motor inlet throttle valve
66  DF  .~.~ Fluid supplied through working chamber of idled cyclically operable drive motor
67  DF  .~.~.~ Supplied through distributor maintained in fixed position
68  DF  .~.~.~.~ Motor inlet throttle valve maintains distributor fixed
69  DF  .~.~.~.~ Motor exhaust throttled
70  DF  .~.~.~.~ Mechanically maintained in fixed position
71  DF  .~.~ With means to inhibit return of detritus into cleansing passage
72  DF  .~.~ Fluid supplied through chamber of advance causing or controlling motor
73  DF  .~.~ Directed into passage in tool
74  DF  .~ Plural cleansing fluid sources
75  DF  .~ Cleansing fluid pump operated by drive
76  DF  .~.~ Pump comprises hammer head or impact transmitting anvil
77  DF  .~ Cleansing fluid controlled by control for drive or advance causing or controlling means
78  DF  .~ Cleansing fluid passage through hammer head
79  DF  .~ Drive motor or advance causing or controlling motor provided with passage for cleansing fluid
80  DF  .~ Cleansing fluid passage in impact transmitting anvil
198  DF  .~ Using vacuum or reverse circulation
199  DF  .~ Having outside conduit to supply cleansing fluid
81  DF  MEANS TO CONTROL ADVANCE AND CYCLICALLY RECIPROCATE A CABLE-OPERATED HAMMER OR TOOL
82  DF  .~ With means to synchronize advance with reciprocating drive
83  DF  .~ Advance means bodily reciprocated
84  DF  .~ Hammer or tool cyclically disconnected from cable
85  DF  .~ With plural cable drums
86  DF  .~ Relatively elevated guide engaging cable between drive and hammer or tool
87  DF  .~.~ Drive is oscillating cable drum
88  DF  .~.~ Drive is oscillating cable engaging means
89  DF  .~.~.~ Drive permits hammer or tool to freely drop
90  DF  IMPACTING DEVICES (E.G., HAMMERS)
91  DF  .~ Selective axial direction of impact
92  DF  .~ With means to grip and release tool in timed relation to impact
93  DF  .~ With anvil arranged to transmit torsional impact to tool
93.5  DF  .~.~ Rotary tool drive having torque responsive impact
93.6  DF  .~.~.~ Hammer head reciprocates along rotary axis
93.7  DF  .~.~ Torque transmitted from hammer head traveling axially only
94  DF  .~ Hammer head moves in arcuate path or rotates
95  DF  .~.~ Hammer head reciprocates along fixed transverse axis
96  DF  .~.~.~ Arcuate or rotary movement selectively releasable or variable independent of reciprocation
97  DF  .~.~.~ Arcuate or rotary movement transmitted to tool
98  DF  .~.~ Hammer head moves out of arcuate or rotary path
99  DF  .~.~.~ Movement out of path is about rotating pivot
100  DF  .~.~ Hammer head movement is oscillatory
101  DF  .~ Plural relatively moved hammer heads
102  DF  .~.~ One impacts another
103  DF  .~.~ Concentric
104  DF  .~ With means for rotating tool
105  DF  .~.~ Rotated by separate motor
106  DF  .~.~.~ Rotation motor exhaust is motive fluid for hammer motor
107  DF  .~.~.~ Motive fluid supplied to rotation motor is hammer motor exhaust
108  DF  .~.~.~ Reciprocating type separate motor
109  DF  .~.~ Rotated by hammer head or drive for hammer head
110  DF  .~.~.~ Rotation is intermittent or oscillatory
111  DF  .~.~.~.~ Rotary drive path is directly through hammer head
112  DF  .~ With means to cause or control advance of hammer head
113  DF  .~.~ Advance operated by hammer drive or actuated in response to hammer vibration
114  DF  .~ With means to reciprocate tool
115  DF  .~ Length of cyclic travel of hammer head selectively adjustable
200  DF  .~ Hammer head driven by pulsating fluid pressure
201  DF  .~.~ Pulsation caused by mechanical movement
117  DF  .~ Hammer head driven by electric motor
118  DF  .~ Spring bodily cyclically moved with hammer head
202  DF  .~ Hammer head driven by spring
203  DF  .~.~ Having cam to compress spring
204  DF  .~.~ Fluid spring
120  DF  .~.~ With means to adjust spring force
121  DF  .~.~ Spring retracts hammer head
122  DF  .~ Hammer head driven by relatively moving motion transmitting element
205  DF  .~.~ Rotary cam
124  DF  .~.~ Cyclically disconnected from motion transmitting element
125  DF  .~ Hammer head constitutes or fixed to drive motor cylinder
126  DF  .~ Hammer head comprises plural parts or diverse materials
127  DF  .~.~ Piston of drive motor
128  DF  .~ Impact transmitting anvil
129  DF  .~.~ Attachable at plurality of points along tool
130  DF  .~.~ Adapted to fit tool noncircular in cross section
131  DF  .~.~ Formed of plural transmitting part or separate layers
132  DF  .~.~ With means to directly connect anvil to tool
133  DF  .~.~ Anvil retained for limited movement
206  DF  .~ Hammer head constitutes piston of drive motor
207  DF  .~.~ Having valve not directly associated with motive fluid for piston
208  DF  .~.~.~ With accumulator
209  DF  .~.~ Driven by internal combustion engine
135  DF  .~.~ Motive fluid applied to striking face
136  DF  .~.~.~ Supplied through passage in striking face
137  DF  .~.~.~ Reduced area striking face
138  DF  .~.~ With means to conduct motive fluid to or from striking face
210  DF  .~ With impact cushioning means
211  DF  .~.~ Mechanical spring
212  DF  .~.~ Fluid spring
140  DF  DRIVE GEARING ADVANCES RELATIVE TO SOURCE OR POWER
141  DF  ADVANCE CAUSING OR CONTROLLING MEANS
142  DF  .~ Operated solely by vibrations from reciprocating element in tool drive
143  DF  .~.~ Intermittent unidirectional rotation of advance element
144  DF  .~ Reciprocatory drive and advance originate from same mechanical element
145  DF  .~ Rotary drive and advance originate from same mechanical element
146  DF  .~.~ Friction clutch or torque yielding couple in connecting train
147  DF  .~ Driven flexible member causes advance
148  DF  .~ Tool advances relative to drive
149  DF  .~.~ Advance means engageable with tool shaft at any point
150  DF  .~.~ Advance motor working member coaxial with tool shaft
151  DF  .~.~ Cable means controls advance
152  DF  .~ Motor causes or controls advance
153  DF  .~.~ Drive motor exhaust is motive fluid for advance motor
154  DF  .~.~ Drive motor generates advance motor motive energy
155  DF  .~.~ Advance motor exhaust is motive fluid for drive motor
156  DF  .~.~ With lock or brake operable during advance
157  DF  .~.~ Common control element for advance and drive motors
158  DF  .~.~.~ With relatively movable advance motor control element
159  DF  .~.~ Common energy supply for advance and drive motors
160  DF  .~.~ Advance means includes relatively movable transmission element
161  DF  .~.~ Advance motor control in tool drive manipulating handle
162.1  DF  INCLUDING MEANS TO VIBRATIONALLY ISOLATE A DRIVE MEANS FROM ITS HOLDER
162.2  DF  .~ Handle type holder
213  DF  MEANS TO DRIVE TOOL ABOUT AN AXIS
214  DF  .~ Plural tools
215  DF  .~ Endless flexible drive means
216  DF  .~ Gear drive
217  DF  .~ Electric motor
218  DF  .~ Fluid motor
219  DF  .~.~ Having sound attenuator
220  DF  .~.~ With means to rotate reciprocating piston
221  DF  .~.~ With manual means to control motor
222  DF  .~.~ Plural motors
164  DF  .~ Means to hold and relatively rotate sections of tool shaft
165  DF  .~ Relatively fixed drive for an advancing tool
166  DF  .~.~ With advance stopping means having selectively operable actuating mechanism
167  DF  .~.~ With advance stopping means adapted to grip tool shaft at any point
168  DF  PASSAGE IN MANIPULATING HANDLE FOR DRIVE MOTOR MOTIVE FLUID
169  DF  .~ Motive fluid control valve in handle passage
170  DF  DRIVE CONTROL OPERABLE BY HAND ENGAGING MANIPULATING HANDLE
171  DF  MISCELLANEOUS
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DIGESTS
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DIG 1  DD  Operable submerged in liquid
DIG 2  DD  Sound muffling
DIG 3  DD  Lubrication
DIG 4  DD  Liquid operated