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Class Information
Number: 173
Name: Tool driving or impacting >
Description: SUBJECT MATTER OF THE CLASS










Class Number Class Name No. of Patents
173/141

Advance causing or controlling means

41
173/147

Driven flexible member causes advance

98
173/152

Motor causes or controls advance

74
173/160

Advance means includes relatively movable transmission element

24
173/161

Advance motor control in tool drive manipulating handle

6
173/155

Advance motor exhaust is motive fluid for drive motor

2
173/157

Common control element for advance and drive motors

5
173/158

With relatively movable advance motor control element

3
173/159

Common energy supply for advance and drive motors

18
173/153

Drive motor exhaust is motive fluid for advance motor

3
173/154

Drive motor generates advance motor motive energy

8
173/156

With lock or brake operable during advance

12
173/142

Operated solely by vibrations from reciprocating element in tool drive

8
173/143

Intermittent unidirectional rotation of advance element

1
173/144

Reciprocatory drive and advance originate from same mechanical element

2
173/145

Rotary drive and advance originate from same mechanical element

28
173/146

Friction clutch or torque yielding couple in connecting train

13
173/148

Tool advances relative to drive

25
173/149

Advance means engageable with tool shaft at any point

39
173/150

Advance motor working member coaxial with tool shaft

10
173/151

Cable means controls advance

16
173/2

Automatic control of power operated means

217
173/11

Drive means responsive to condition of advance causing or controlling means

104
173/176

Drive means responsive to torque or speed condition

272
173/177

Fluid pressure change controls drive

61
173/178

Having torque responsive clutch

244
173/181

Having torque sensor

98
173/183

Proximity angle detector

97
173/182

Strain gauge

47
173/179

With speed responsive governor

38
173/180

With torque indicator

47
173/3

Responsive to condition of cleansing means

8
173/4

Tool advance causing or controlling means

114
173/10

Responsive to length of stroke of means reciprocating hammer head or tool

11
173/5

Responsive to torque or speed condition of drive

34
173/7

Drive motor motivating energy condition initiates control

9
173/8

Motive fluid flow or pressure condition of drive motor

36
173/9

Fluid flow or pressure operated advance means

24
173/6

With additional control by means sensing condition of advance means

33
173/46

Combined

55
173/29

Convertible

139
173/47

Drive adjustable to completely change kind of drive

79
173/48

Adjustable to impacting device

334
173/49

Drive by means reacting to rotating eccentric mass

133
173/170

Drive control operable by hand engaging manipulating handle

323
173/13

Drive controlled by relative axial movement of tool

108
173/15

Drive motor controlled

39
173/16

Modified internal motor operation

11
173/17

Motor piston movement modified relative to motive fluid port

88
173/14

Reciprocating drive member connected to pulsing fluid column

23
173/18

Drive controlled by relative movement of advance causing or controlling means or manipulating handle

31
173/140

Drive gearing advances relative to source or power

12
173/53

Hammer or tool shaft reciprocated by gripping means which release or yield to permit advance

39
173/56

Means concurrently moving shaft about an axis

5
173/54

With fixed means cyclically contacted by grip structure

1
173/55

Contact moves grips out of shaft engagement

11
173/90

Impacting devices (e.g., hammers)

245
173/126

Hammer head comprises plural parts or diverse materials

43
173/127

Piston of drive motor

29
173/125

Hammer head constitutes or fixed to drive motor cylinder

12
173/206

Hammer head constitutes piston of drive motor

155
173/209

Driven by internal combustion engine

14
173/207

Having valve not directly associated with motive fluid for piston

64
173/208

With accumulator

51
173/135

Motive fluid applied to striking face

76
173/137

Reduced area striking face

35
173/136

Supplied through passage in striking face

42
173/138

With means to conduct motive fluid to or from striking face

43
173/117

Hammer head driven by electric motor

116
173/200

Hammer head driven by pulsating fluid pressure

100
173/201

Pulsation caused by mechanical movement

172
173/122

Hammer head driven by relatively moving motion transmitting element

74
173/124

Cyclically disconnected from motion transmitting element

55
173/205

Rotary cam

122
173/202

Hammer head driven by spring

63
173/204

Fluid spring

45
173/203

Having cam to compress spring

35
173/121

Spring retracts hammer head

39
173/120

With means to adjust spring force

23
173/94

Hammer head moves in arcuate path or rotates

26
173/100

Hammer head movement is oscillatory

27
173/98

Hammer head moves out of arcuate or rotary path

6
173/99

Movement out of path is about rotating pivot

1
173/95

Hammer head reciprocates along fixed transverse axis

3
173/96

Arcuate or rotary movement selectively releasable or variable independent of reciprocation

1
173/97

Arcuate or rotary movement transmitted to tool

14
173/128

Impact transmitting anvil

175
173/130

Adapted to fit tool noncircular in cross section

21
173/133

Anvil retained for limited movement

76
173/129

Attachable at plurality of points along tool

22
173/131

Formed of plural transmitting part or separate layers

79
173/132

With means to directly connect anvil to tool

159
173/115

Length of cyclic travel of hammer head selectively adjustable

54
173/101

Plural relatively moved hammer heads

18
173/103

Concentric

11
173/102

One impacts another

11
173/91

Selective axial direction of impact

253
173/118

Spring bodily cyclically moved with hammer head

38
173/93

With anvil arranged to transmit torsional impact to tool

161
173/93.5

Rotary tool drive having torque responsive impact

222
173/93.6

Hammer head reciprocates along rotary axis

48
173/93.7

Torque transmitted from hammer head traveling axially only

13
173/210

With impact cushioning means

191
173/212

Fluid spring

118
173/211

Mechanical spring

172
173/104

With means for rotating tool

207
173/109

Rotated by hammer head or drive for hammer head

218
173/110

Rotation is intermittent or oscillatory

15
173/111

Rotary drive path is directly through hammer head

17
173/105

Rotated by separate motor

59
173/107

Motive fluid supplied to rotation motor is hammer motor exhaust

9
173/108

Reciprocating type separate motor

6
173/106

Rotation motor exhaust is motive fluid for hammer motor

8
173/112

With means to cause or control advance of hammer head

49
173/113

Advance operated by hammer drive or actuated in response to hammer vibration

5
173/92

With means to grip and release tool in timed relation to impact

18
173/114

With means to reciprocate tool

93
173/162.1

Including means to vibrationally isolate a drive means from its holder

248
173/162.2

Handle type holder

233
173/DIG.4

Liquid operated

27
173/DIG.3

Lubrication

25
173/81

Means to control advance and cyclically reciprocate a cable-operated hammer or tool

13
173/83

Advance means bodily reciprocated

1
173/84

Hammer or tool cyclically disconnected from cable

10
173/86

Relatively elevated guide engaging cable between drive and hammer or tool

4
173/87

Drive is oscillating cable drum

5
173/88

Drive is oscillating cable engaging means

4
173/89

Drive permits hammer or tool to freely drop

30
173/82

With means to synchronize advance with reciprocating drive

3
173/85

With plural cable drums

3
173/213

Means to drive tool about an axis

110
173/217

Electric motor

465
173/215

Endless flexible drive means

8
173/218

Fluid motor

98
173/219

Having sound attenuator

15
173/222

Plural motors

11
173/221

With manual means to control motor

26
173/220

With means to rotate reciprocating piston

4
173/216

Gear drive

315
173/164

Means to hold and relatively rotate sections of tool shaft

118
173/214

Plural tools

9
173/165

Relatively fixed drive for an advancing tool

20
173/167

With advance stopping means adapted to grip tool shaft at any point

7
173/166

With advance stopping means having selectively operable actuating mechanism

6
173/171

Miscellaneous

243
173/DIG.1

Operable submerged in liquid

33
173/168

Passage in manipulating handle for drive motor motive fluid

112
173/169

Motive fluid control valve in handle passage

187
173/50

Power paths to plural tools from single drive

22
173/51

Drive plural means to reciprocate hammer heads or tools

11
173/1

Processes

371
173/19

Self-acting advance and retraction cycle

52
173/52

Single advance causing or controlling means or manipulating for plural drives

25
173/DIG.2

Sound muffling

98
173/38

Swinging arm causes advance with means to guide rectilinear tool advance

36
173/20

With indicating or signaling means

89
173/21

Distance of advance

30
173/30

With means engaged by part of human other than hand

21
173/39

With means to adjust position of axis of tool advance

44
173/44

Adjustment powered by motor or mechanism

45
173/40

Drive gearing displaced relative to source of power

5
173/41

With plural relatively displaced gearing sections

3
173/42

Plural adjustments

47
173/190

Powered by motor or mechanism

24
173/196

Having flexible endless member

8
173/193

Having fluid motor

82
173/194

With mechanical movement

18
173/195

With flexible endless member

24
173/191

Having screw threads

5
173/192

Having turntable

21
173/45

With means to space axis of tool advance relative to prior position

8
173/184

With vehicle support for drive

115
173/28

Drive structure moved to nonuse position for transport

132
173/24

Movement of vehicle causes tool advance

22
173/186

Nontransporting means to support vehicle during tool operation

19
173/187

Adjustable nontransporting means

10
173/189

Having fluid cylinder

46
173/188

Having screw threads

10
173/185

Pivoted

85
173/27

Vehicle motor and drive motor powered by same energy source

31
173/25

Vehicle motor mechanically coupled to drive tool

14
173/26

Drive gearing displaced relative to source of power

13
173/31

With work engaging means supporting drive

42
173/32

Anchored to work

66
173/33

Balanced with respect to axis of tool advance

11
173/37

Relatively adjustable work engaging elements

30
173/36

Structure engages work at point diametrically opposed to tool

26
173/34

Structure extends between opposed points

16
173/35

Tool advanced laterally of structure

13
173/197

Work cleansing

27
173/59

By motive fluid for drive motor or advance causing or controlling motor

8
173/61

Additional cleansing fluid source

2
173/63

Motive fluid for cleansing bypasses motor chamber

4
173/62

With means providing for independent use of either fluid

10
173/73

Directed into passage in tool

91
173/72

Fluid supplied through chamber of advance causing or controlling motor

3
173/66

Fluid supplied through working chamber of idled cyclically operable drive motor

9
173/67

Supplied through distributor maintained in fixed position

1
173/70

Mechanically maintained in fixed position

2
173/69

Motor exhaust throttled

2
173/68

Motor inlet throttle valve maintains distributor fixed

0
173/60

Motive fluid does not contact work but induces flow of another fluid

2
173/64

Supply for cleansing bypasses motor chamber

13
173/65

Controlled by motor inlet throttle valve

3
173/71

With means to inhibit return of detritus into cleansing passage

15
173/77

Cleansing fluid controlled by control for drive or advance causing or controlling means

4
173/80

Cleansing fluid passage in impact transmitting anvil

61
173/78

Cleansing fluid passage through hammer head

78
173/75

Cleansing fluid pump operated by drive

22
173/76

Pump comprises hammer head or impact transmitting anvil

9
173/58

Controlled by relative movement between drive and tool, advance causing or controlling means or manipulating means

7
173/79

Drive motor or advance causing or controlling motor provided with passage for cleansing fluid

9
173/199

Having outside conduit to supply cleansing fluid

21
173/74

Plural cleansing fluid sources

5
173/198

Using vacuum or reverse circulation

34
 
 
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