Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hua Gao0
Date of Patent
February 14, 2012
0Patent Application Number
123782410
Date Filed
February 12, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A device for delivering a predetermined amount of torque to a tool. The device has a handle and a cam assembly located within the handle. The cam assembly has a cam member integrally formed with a drive shaft. An adjustment ring is capable of rotating the cam assembly to different positions related to different levels of torque. A plunger will be biased against an exterior surface of the cam member to provide the different levels of torque delivery.
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