Power hand tool

Details Power hand tool Power hand tool

2007-01-30

2007-01-30

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S178000, C173S216000

Reexamination Certificate

active

11322404

ABSTRACT:
A power hand tool includes a housing that houses a motor, a transmission gear set, a torque control mechanism and an impact mechanism. The torque control mechanism has an adjustment device that is movable between a first position and a second position inside the housing by a rotation action to set a predetermined output torque of the power hand tool. The output torque of the power hand tool is at the minimum condition and the adjustment device stops the impact mechanism from working to prevent destruction to the torque setting of the power hand tool when the adjustment device is in the second position.

REFERENCES:
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patent: 5531278 (1996-07-01), Lin
patent: 6457535 (2002-10-01), Tanaka
patent: 6874585 (2005-04-01), Zhao
patent: 6892827 (2005-05-01), Toyama et al.
patent: 6926095 (2005-08-01), Chen
patent: 6984188 (2006-01-01), Potter et al.
patent: 7101300 (2006-09-01), Milbourne et al.

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