Powered hand tool

Details Powered hand tool Powered hand tool

2008-06-06

2009-11-03

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Impacting devices

With impact cushioning means

C173S162100, C173S169000, C173S170000, C451S344000

Reexamination Certificate

active

07610968

ABSTRACT:
A powered hand tool comprising a pneumatic motor including a cylinder, a main body formed as a hollow tube member, a main body rear end being formed with a fluid inlet and a fluid outlet, the main body being axially disposed for engagement with the pneumatic motor, a main body front end with an interior surface fitted for engagement with a lock nut, the pneumatic motor having a rotary shaft axially extending out of the main body front end wherein the diameter of the pneumatic motor is smaller than the diameter of the hollow tube member, an internal isolation layer composed of a vibration isolation material placed in the hollow tube member so that the vibration isolation material is engaged with and adjacent the ends of the hollow tube member and the pneumatic motor.

REFERENCES:
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patent: 6192997 (2001-02-01), Tsai et al.
patent: 6234256 (2001-05-01), Kettner
patent: 6668942 (2003-12-01), Lin
patent: 7207394 (2007-04-01), Young et al.
patent: 7401662 (2008-07-01), Honsa

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