Electric power tool

Details Electric power tool Electric power tool

2011-03-01

2011-03-01

Durand, Paul R (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S178000, C173S216000

Reexamination Certificate

active

07896097

ABSTRACT:
An electric power tool includes a planetary gear reduction mechanism, a switch mechanism, an impact mechanism, a hammer mechanism, a torque fixing mechanism, and a torque adjusting mechanism. The switch mechanism includes a driving member, a first driven member, and a second driven member. A switching member is provided on the electric power tool and connected to the driving member to move it, and the driving member may drive the first driven member and the second driven member respectively to start or shut the impact mechanism and the hammer mechanism.

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patent: 2008/0167158 (2008-07-01), Chen
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