Impact motorized wrench

Details Impact motorized wrench Impact motorized wrench

2004-05-20

2009-12-08

Nash, Brian D (Department: 3721)

Tool driving or impacting

Impacting devices

With means for rotating tool

C173S093000, C173S109000, C173S114000, C173S171000

Reexamination Certificate

active

07628220

ABSTRACT:
An impact motorized wrench includes a tool-holder shaft arranged on a front side of the wrench and pivoting around a rotation axis, a rotary motion producing motor unit arranged on a rear side of the wrench opposite the front side and an operating member to operate the motor unit, a drive unit with a percussion mechanism being arranged between the motor unit and the tool-holder shaft. The motor unit, the drive unit and the percussion mechanism together form a base body of the wrench and the wrench includes two gripping handles attached to the base body, both being of elongated shape and transversally spaced apart relative to their longitudinal extensions. The handles define a common gripping plane tangential to both handles, which plane extends transversally to the rotation axis. The operating member is associated to one of the two handles.

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