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Browse by Category: Main > Tools & Hardware
Class Information
Number: 173/29
Name: Tool driving or impacting > Convertible
Description: Apparatus in which means are provided to perform a tool drive function and a tool drive function in a different manner or a function other than tool driving after (1) removal of a significant portion of the apparatus (2) installation of additional parts or (3) substantial rearrangement of existing parts.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
6790144 Flexible shaft plug insert Sep. 14, 2004
6725946 Excavation apparatus Apr. 27, 2004
6694625 Power tool Feb. 24, 2004
6691799 Tool holder Feb. 17, 2004
6691800 Hand-held pneumatic tool with two output axles Feb. 17, 2004
6684964 Hammer drill Feb. 3, 2004
6675911 Coupling mechanism Jan. 13, 2004
6668941 Screw holding and driving device Dec. 30, 2003
6634439 Interlock mechanism Oct. 21, 2003
6553642 Coupling method Apr. 29, 2003
6463824 Right angle attachment for power hand tool Oct. 15, 2002
6352127 Elbow attachment Mar. 5, 2002
6308786 Pneumatic powered winch actuating device Oct. 30, 2001
6298923 Impacting device for releasing blocked objects by impact Oct. 9, 2001
6286611 Power tool having interchangeable tool head Sep. 11, 2001
6273200 Screwdriver with manuel spindel lock Aug. 14, 2001
6263979 Interchangeable implement system for power tools Jul. 24, 2001
6263980 Power tool Jul. 24, 2001
6263985 Drilling machine with changeable drive unit Jul. 24, 2001
6264211 Reciprocating saw attachment for electric drill Jul. 24, 2001
6257351 Powered surgical instrument having locking systems and a clutch mechanism Jul. 10, 2001
6250400 Jackhammer carrier Jun. 26, 2001
6206107 Power tool Mar. 27, 2001
6199642 Reversible ratcheting power tool with synchronized motor and ratchet control Mar. 13, 2001
6176322 Power tool having interchangeable tool head Jan. 23, 2001
6176321 Power-driven hammer drill having an improved operating mode switch-over mechanism Jan. 23, 2001
6170579 Power tool having interchangeable tool head Jan. 9, 2001
6138364 Variable angle reciprocating tool Oct. 31, 2000
6089331 Apparatus and method for converting the drive direction axis of a rotational driving source Jul. 18, 2000
6076615 Multi-linked working boom for working machine Jun. 20, 2000
6056070 Hydraulic ramming apparatus May. 2, 2000
6039126 Multi-usage electric tool with angle-changeable grip Mar. 21, 2000
6035948 Apparatus for mounting a hand-held pavement breaker on a backhoe bucket Mar. 14, 2000
6003619 Back driving automatic hammer Dec. 21, 1999
5979913 Universal driving and setting tool and method of using same Nov. 9, 1999
5868211 Ball and socket mounted hydraulic posthole digger and method for using the same Feb. 9, 1999
5832611 Variable angle reciprocating tool Nov. 10, 1998
5810101 Horizontal drilling machine Sep. 22, 1998
5755293 Drill/saw apparatus May. 26, 1998
5695017 Earth boring apparatus Dec. 9, 1997
5595250 Drill accessory Jan. 21, 1997
5566768 Drill attachment Oct. 22, 1996
5427002 Power drive unit for hand tools Jun. 27, 1995
5330014 Power winch-ice auger conversion apparatus Jul. 19, 1994
5251706 Ratchet drive tool with manual and non-manual power actuation Oct. 12, 1993
5170851 Electric tool Dec. 15, 1992
5094133 Screwdriver with switch-off means for screw-in depth and screw-in torque Mar. 10, 1992
5052496 Apparatus for attaching power tool housing extensions Oct. 1, 1991
5025903 Dual mode rotary power tool with adjustable output torque Jun. 25, 1991
4998590 Horizontal auger for skidsteer tractors and the like Mar. 12, 1991

1 2 3










 
 
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