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Browse by Category: Main > Tools & Hardware
Class Information
Number: 81/57.3
Name: Tools > Wrench, screwdriver, or driver therefor > Machine > Gear-operated > Parallel axis drive
Description: Wrench or screwdriver wherein the handle or drive means is in a parallel relationship with respect to the work engaging means.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8677862 Two handed portable power wrench Mar. 25, 2014
8677868 Detented adapter interface for screwdriver tool attachment Mar. 25, 2014
8640572 Wrench Feb. 4, 2014
8616093 Torsion spring torque assembly Dec. 31, 2013
8555751 Adjustable ratchet wrench Oct. 15, 2013
8333133 System to enable high speed operation of socket type ratchet wrenches and other tools Dec. 18, 2012
8322255 Multi-wrench gear head apparatus for adjusting vehicle tie-rods Dec. 4, 2012
8196494 Attachment system for ratchet type wrenches Jun. 12, 2012
8087326 Low profile wrench and method Jan. 3, 2012
7971509 Dual screwdriver adaptable to connector assemblies of different types and sizes Jul. 5, 2011
7905162 Low profile wrench Mar. 15, 2011
7866234 Manual core rotation device Jan. 11, 2011
7849766 Speed multiply screwdriver handle Dec. 14, 2010
7836797 Tool ratchet Nov. 23, 2010
7827885 Drive extension wrench Nov. 9, 2010
7770494 Ratchet driver Aug. 10, 2010
7748296 Ratchet screwdriver with an accelerating structure Jul. 6, 2010
7721627 Attachments for power tools May. 25, 2010
7703356 Tool assembly, system and method, for driving threaded members Apr. 27, 2010
7464454 Method for setting self-tapping rivets Dec. 16, 2008
7320267 Ratchet box end wrench Jan. 22, 2008
7284463 Attachment for a socket wrench, and method Oct. 23, 2007
7254935 Ratchet arrangement for a chain splitter Aug. 14, 2007
7237457 Screw feeder adapter for a power screwdriver Jul. 3, 2007
7204174 Wrench assembly Apr. 17, 2007
7168340 Ratchet wrench having constant drive Jan. 30, 2007
7137318 Ratchet-based, torqued-enhanced fastener tool Nov. 21, 2006
7121172 Dual-headed ratcheting basin wrench Oct. 17, 2006
7062992 Constant rotation rotary torque multiplier Jun. 20, 2006
6945139 Offset socket drive Sep. 20, 2005
6923094 Advanced tool systems Aug. 2, 2005
6904831 Rivet setting device for setting self-tapping rivets Jun. 14, 2005
6834567 Multiple torque adjustable spindles with a single drive motor Dec. 28, 2004
6832531 Advanced tool systems Dec. 21, 2004
6742417 Socket wrench Jun. 1, 2004
6681660 Variable speed ratchet wrench and method of use Jan. 27, 2004
6668685 Multi-lug socket tool Dec. 30, 2003
6647830 Advanced tool systems Nov. 18, 2003
6457385 Precision driver rotation structure Oct. 1, 2002
6330840 Planetary ratchet wrench and pipe cutting tool Dec. 18, 2001
6260443 Hand wrench with torque augmenting means Jul. 17, 2001
6257097 Ratchet tool having an eccentric rotator Jul. 10, 2001
6148694 Hand wrench with torque augmenting means Nov. 21, 2000
5953966 Hand wrench with torque augmenting means Sep. 21, 1999
5947212 Dual-mode fastener-driving tool Sep. 7, 1999
5927156 Wrench with side drive mechanism Jul. 27, 1999
5924339 Screwdriver Jul. 20, 1999
5860335 Torque transfer device with adjustment apparatus Jan. 19, 1999
5775182 Compound power socket wrench Jul. 7, 1998
5735182 Apparatus for assembling threaded connectors Apr. 7, 1998

1 2 3










 
 
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