Hammer head wrench

Details Hammer head wrench Hammer head wrench

2007-04-24

2007-04-24

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C007S143000

Reexamination Certificate

active

11516264

ABSTRACT:
An L-shaped wrench with a handle and a shank attached to a hammer head. The hammer head may be hexahedral with the handle and shank attached to adjacent flats with opposing flats forming impact surfaces for applying an axial force along the handle or shank with an impact device such as a hammer. The remaining two flats provide torque surfaces for application of a secondary force such as a wrench. The handle and shank may be detachable from the hammer head and the hammer head may be relieved for clearance between the flats to which the handle and shank are attached.

REFERENCES:
patent: 973218 (1910-10-01), Schlueter
patent: 1743505 (1930-01-01), Turgeon
patent: 1761156 (1930-06-01), Rosan
patent: 3519087 (1970-07-01), Santi
patent: 3766811 (1973-10-01), Callahan
patent: 3850056 (1974-11-01), Allen
patent: 3861250 (1975-01-01), Zugai
patent: 4807349 (1989-02-01), Blackmore
patent: 4864902 (1989-09-01), Doorley
patent: 5526722 (1996-06-01), Limehouse
patent: 5906146 (1999-05-01), Arlen
patent: 5970552 (1999-10-01), Kwiecien et al.
patent: 6449789 (2002-09-01), Krass et al.
patent: 05220672 (1993-08-01), None
patent: WO 8302248 (1983-07-01), None

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