Hand tool

Details Hand tool Hand tool

2007-02-13

2007-02-13

Wilson, Lee D. (Department: 3723)

Tools

Hammer

C081S427500, C081S177500

Reexamination Certificate

active

11037871

ABSTRACT:
An apparatus for locking the head of a hand tool to the handle of the tool. The apparatus generally includes a tapered handle with one or more groove cut into the handle at the tool end of the handle. The grooves are then filled with a compressible material. The head of the tool (such as a pick axe, a hammer, an axe, etc.) is then placed over handle and moved over the grooves to the end. The compressible material will lock the head into place, fixing a longstanding problem with hand tools of the heads coming loose.

REFERENCES:
patent: 2318193 (1943-05-01), Branham
patent: 4352381 (1982-10-01), Provi
patent: D340177 (1993-10-01), Key
patent: D378656 (1997-04-01), Maine
patent: 5735630 (1998-04-01), Keathley et al.
patent: 6314837 (2001-11-01), Nevaril
patent: 6363817 (2002-04-01), Lamond et al.
patent: 6564849 (2003-05-01), Kusner
patent: 6729877 (2004-05-01), Rahman

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