Hand tool providing double compound leverage to the jaws

Details Hand tool providing double compound leverage to the jaws Hand tool providing double compound leverage to the jaws

2006-07-10

2008-11-04

Crane, Daniel C (Department: 3725)

Metal deforming

With means to actuate both elements of tool-couple

Handle actuated

C081S348000, C081S351000, C081S363000

Reexamination Certificate

active

07444851

ABSTRACT:
A hand tool for use by one hand provides double compound leverage of the force exerted on the handles to the jaws. This is achieved by adding additional pivots and lever arms between the handles and the jaws. The jaws may take the form of a sheet metal snip, seamer, or crimper.

REFERENCES:
patent: 832804 (1906-10-01), Oneal
patent: 1586297 (1926-05-01), Du Bios
patent: 2765688 (1956-10-01), Evans
patent: 2992576 (1961-07-01), Evans et al.
patent: 5307565 (1994-05-01), Erbrick et al.
patent: 6408725 (2002-06-01), Janson

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