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Class Information
Number: 173/50
Name: Tool driving or impacting > Power paths to plural tools from single drive
Description: Apparatus comprising a motor or drive element connected to plural power paths to simultaneously drive plural tools.


Sub-classes under this class:

Class Number Class Name Patents
173/51 Drive plural means to reciprocate hammer heads or tools 10


Patents under this class:

Patent Number Title Of Patent Date Issued
7273159 Cordless power tool system with improved power output Sep. 25, 2007
6848749 Device for the removal of the surface layer of a wall or ceiling Feb. 1, 2005
5316415 Power drill adapter for sawing operation with a saw blade transmission May. 31, 1994
5276929 Screw gun router for drywall installation Jan. 11, 1994
5261135 Screw gun router for drywall installation Nov. 16, 1993
5111801 Apparatus for forming slit in rock and concrete surface May. 12, 1992
5033555 Fluid cylinder powered tool Jul. 23, 1991
4889192 Tractor-controlled hammer assembly Dec. 26, 1989
4858701 Fluid-powered impact device and tool therefor Aug. 22, 1989
4778014 Ventilating means Oct. 18, 1988
4739836 Arrangement for use in surface treatment Apr. 26, 1988
4681170 Rock drills for drilling continuously arrayed bores Jul. 21, 1987
4334439 Power transmission device for plural power-driven hand-held tools Jun. 15, 1982
4148366 Variable speed auger for use with a skid steer vehicle Apr. 10, 1979
4105081 Rock-drilling and bolt-setting apparatus Aug. 8, 1978
4102409 Rock drilling machine Jul. 25, 1978
4007795 Attachment for a rotary-hammer tool Feb. 15, 1977
3972375 Auger drive with auxiliary powertrain boxes Aug. 3, 1976



 
 
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