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Browse by Category: Main > Tools & Hardware
Class Information
Number: 81/464
Name: Tools > Including tool driving by impact delivering component or cooperating anvil > Motor or gear driven
Description: Tools in which the component is moved to its striking position by power either (a) derived from a motor, or (b) transmitted by relatively rotating gears.


Patents under this class:

Patent Number Title Of Patent Date Issued
7377019 Method and apparatus for fastening together structural components May. 27, 2008
7194939 Pneumatic wrench having reinforced strength Mar. 27, 2007
7140282 Pneumatic wrench having reinforced strength Nov. 28, 2006
7089833 Air actuated pneumatic impact wrench lug bolt tool Aug. 15, 2006
6935207 Jar lid opener Aug. 30, 2005
6681663 Hand tool having a vibration device Jan. 27, 2004
6526852 Screw driving tool Mar. 4, 2003
5425293 Tool for handling a striking screw Jun. 20, 1995
5213017 Neutrally mounted same vibration frequency impact tool May. 25, 1993
5158354 Device for screwing and unscrewing screws, bolts and nuts Oct. 27, 1992
5138915 Impact pipe wrench Aug. 18, 1992
5070750 Torque limiting apparatus Dec. 10, 1991
RE33711 Ratchet wrench Oct. 8, 1991
4991472 D.C. direct drive impact wrench Feb. 12, 1991
4919022 Ratchet wrench Apr. 24, 1990
4905423 Electric rotary power tool apparatus holdable by hand during operation, kit comprising the same, and novel switch means therefor Mar. 6, 1990
4821611 Tightening device Apr. 18, 1989
4619162 Hand-holdable electric power tool apparatus Oct. 28, 1986
4585078 Rotary impact tool Apr. 29, 1986
4581964 Fastener driving tool with improved magazine and feed mechanism Apr. 15, 1986
4561331 Wheel rim wrench Dec. 31, 1985
4512222 Loosening tool for tie rod sleeves Apr. 23, 1985
4507991 Apparatus for installing fasteners Apr. 2, 1985
4505170 Hand-holdable electric power tool apparatus Mar. 19, 1985
4468826 Hammer-drill for masonry fasteners Sep. 4, 1984
4432257 Shoe bolt securing and removing apparatus Feb. 21, 1984
4416340 Rotary drilling head Nov. 22, 1983
4400995 Spindle lock with impacting capability Aug. 30, 1983
4370906 Sequenced fastener installation system Feb. 1, 1983
4368784 Power screwdriver Jan. 18, 1983
4187744 Apparatus for rotating track chain bushing Feb. 12, 1980
4133229 Impacting apparatus Jan. 9, 1979
4064771 Automatic torque controller for an impact wrench Dec. 27, 1977
4044625 Vibration isolating hand grip for shank of a percussive chisel Aug. 30, 1977
4036085 Handle structure for percussive tools Jul. 19, 1977
3990407 Explosively powered rotary tool Nov. 9, 1976



 
 
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