Dual function wrench

Details Dual function wrench Dual function wrench

2006-10-10

2006-10-10

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Jaw faces

C081S119000

Reexamination Certificate

active

07117770

ABSTRACT:
A dual function wrench includes two function ends and the two different function ends are overlapped with each other. Each function end includes a clamping space and the two respective clamping spaces are in communicating with each other. The first function end includes two fixed jaws which have two respective flat clamping surfaces facing with each other. The second function end is a quick release function end so as to rotate an object without removing the second function end from the object.

REFERENCES:
patent: 37865 (1863-03-01), Griswold
patent: 916951 (1909-03-01), Jeffery
patent: 1088786 (1914-03-01), Lukowski
patent: 1297846 (1919-03-01), Herman
patent: 2716367 (1955-08-01), Montgomery
patent: 3921476 (1975-11-01), Evans
patent: 6158309 (2000-12-01), Baker

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