Hand tool with a handle made by different material

Details Hand tool with a handle made by different material Hand tool with a handle made by different material

2007-07-03

2007-07-03

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S124700, C081S125100, C081S900000

Reexamination Certificate

active

11388590

ABSTRACT:
A hand tool includes a handle made of a first material and at least one driving head connected to an end of the handle and the at least one driving head is made by a second material. A protection layer is coated onto the driving head and the handle. The first material can be Chrome-Vanadium alloy and the second material can be medium carbon steel.

REFERENCES:
patent: 216690 (1879-06-01), Mikkelson
patent: 2909954 (1959-10-01), Rhoads
patent: 2978353 (1961-04-01), Meier
patent: 4986147 (1991-01-01), Cooper
patent: 5062328 (1991-11-01), Demurger
patent: D325864 (1992-05-01), Diego
patent: 6318216 (2001-11-01), Eggert et al.
patent: 6637299 (2003-10-01), Steele
patent: 6899002 (2005-05-01), Willis, Sr.
patent: 7117767 (2006-10-01), Kiat
patent: 2005/0022631 (2005-02-01), Brazil

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