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Class Information
Number: 173/139
Name: Tool driving or impacting >

Sub-classes under this class:

Class Number Class Name Patents
173/1 Processes 371
173/13 Drive controlled by relative axial movement of tool 108
173/140 Drive gearing advances relative to source or power 12
173/141 Advance causing or controlling means 41
173/162.1 Including means to vibrationally isolate a drive means from its holder 248
173/168 Passage in manipulating handle for drive motor motive fluid 112
173/170 Drive control operable by hand engaging manipulating handle 323
173/171 Miscellaneous 243
173/18 Drive controlled by relative movement of advance causing or controlling means or manipulating handle 31
173/184 With vehicle support for drive 115
173/19 Self-acting advance and retraction cycle 52
173/197 Work cleansing 27
173/2 Automatic control of power operated means 217
173/20 With indicating or signaling means 89
173/213 Means to drive tool about an axis 110
173/29 Convertible 139
173/30 With means engaged by part of human other than hand 21
173/31 With work engaging means supporting drive 42
173/38 Swinging arm causes advance with means to guide rectilinear tool advance 36
173/39 With means to adjust position of axis of tool advance 44
173/45 With means to space axis of tool advance relative to prior position 8
173/46 Combined 55
173/47 Drive adjustable to completely change kind of drive 79
173/49 Drive by means reacting to rotating eccentric mass 133
173/50 Power paths to plural tools from single drive 22
173/52 Single advance causing or controlling means or manipulating for plural drives 25
173/53 Hammer or tool shaft reciprocated by gripping means which release or yield to permit advance 39
173/81 Means to control advance and cyclically reciprocate a cable-operated hammer or tool 13
173/90 Impacting devices (e.g., hammers) 245
173/DIG.1 Operable submerged in liquid 33
173/DIG.2 Sound muffling 98
173/DIG.3 Lubrication 25
173/DIG.4 Liquid operated 27

Patents under this class:

Patent Number Title Of Patent Date Issued

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