Hand tool

Details Hand tool Hand tool

2006-05-23

2006-05-23

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177800, C081S177400, C081S490000, C081S438000, C016S111100, C016S900000

Reexamination Certificate

active

07047846

ABSTRACT:
A hand tool includes a handle having at its one end provided with a chamber containing a through hole to accommodate a locking unit and at another end disposed with pivoting sections to pivot a stem for the stem to be bent into a specific angle in relation with the handle; a holder being secured in position in the chamber of the handle; a push rod in the holder pushing against the locking unit for a locking bit to be restricted in one of internal teeth of a gear of the stem to hold the hand tool in position to facilitate its use.

REFERENCES:
patent: 4227430 (1980-10-01), Jansson et al.
patent: 4825734 (1989-05-01), Schwalbe et al.
patent: 6386075 (2002-05-01), Shiao
patent: 6520053 (2003-02-01), Liao
patent: 6877186 (2005-04-01), Shiao

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