Filter wrench

Details Filter wrench Filter wrench

1985-06-11

1986-08-12

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Flexible

B25B 1346

Patent

active

046049207

ABSTRACT:
A band or ring, split at one point in its circumference, forming end portions directed toward each other. A pair of handles are welded to the band, at the end portions, each at points distributed over substantial length of the band. The band is of work hardened steel, and knurled on its inner surface. The steel band is self-biased to an outer or enlarged size, and contractible to an inner or smaller size by squeezing on the handles, for gripping an object.

REFERENCES:
patent: 274591 (1883-03-01), Gregg
patent: 1976623 (1934-10-01), Monroe et al.
patent: 2325841 (1943-08-01), Faber
patent: 4007650 (1977-02-01), Wellman

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