Hand tool with vibration-damping sleeve

Details Hand tool with vibration-damping sleeve Hand tool with vibration-damping sleeve

2008-04-17

2008-11-11

Thomas, David B (Department: 3723)

Tools

Hammer

Having shock absorbing means

Reexamination Certificate

active

07448299

ABSTRACT:
A hand tool with vibration-damping sleeve is provided. The vibration-damping sleeve is set between a hammering body and a handle of the tool to buffer the hand tool from vibrating. The vibration-damping sleeve is wrapped around and joined with the handle of the hand tool by injection molding and is set in the through hole of the hammering body. Thus, the vibration-damping sleeve is tightly connected to the hammering body, thereby blocking the vibration transmission at hammering. The sleeve is made of a hard PP plastic slightly in the form of an awl, one end of which is sealed and the other end is open; the front exterior wall is divided into upper and lower caves and two convex sides.

REFERENCES:
patent: 2067751 (1937-01-01), Beegle
patent: 2702060 (1955-02-01), Bonnesen
patent: 2850331 (1958-09-01), Curry et al.
patent: 2917349 (1959-12-01), Saylor et al.
patent: 4188703 (1980-02-01), Fish
patent: 4287640 (1981-09-01), Keathley
patent: 5992270 (1999-11-01), Hedelin et al.
patent: 6128977 (2000-10-01), Gierer et al.
patent: 6158307 (2000-12-01), Lamond et al.

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