Wrench open end having a pushing tongue

Details Wrench open end having a pushing tongue Wrench open end having a pushing tongue

2005-05-31

2005-05-31

Ackun, Jr., Jacob K. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Spanner

C081S119000, C081S186000

Reexamination Certificate

active

06899000

ABSTRACT:
A wrench includes an open end which includes two jaws and a connection portion connected between the two jaws. A clamping portion is defined in an inside of each jaw and located close to a first side of each jaw. A loose portion is defined in the inside of each jaw and located close to a second side of each jaw. A width between the two respective loose portions of the two jaws is wider than a width between the two respective clamping portions of the two jaws. A pushing tongue is located between the two jaws. A nut can be clamped by the clamping portions of the two jaws by compressing the pushing tongue, and is freely rotatable relative to the open end when located in a space enclosed by the loose portions.

REFERENCES:
patent: 2655065 (1953-10-01), Murphy
patent: 3802303 (1974-04-01), Evans et al.
patent: 3858467 (1975-01-01), Evans
patent: 5307713 (1994-05-01), White
patent: 5429018 (1995-07-01), Miller
patent: 6186032 (2001-02-01), Raines

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