Dual-purpose quickly adjustable wrench

Details Dual-purpose quickly adjustable wrench Dual-purpose quickly adjustable wrench

1992-04-16

1993-05-11

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81178, 81135, B25B 1314

Patent

active

052091449

ABSTRACT:
A dual-purpose adjustable wrench is comprised of a wrench body, a movable jaw unit and a worm gear rack mechanism for providing a rapid adjustment of the wrench. The wrench is further comprised of a clutch unit to enable the jaw opening to be quickly adjusted. The movable unit comprises a toothed element hinged at one of lateral sides of the movable jaw. The wrench can be alternated to function as a pipe wrench by removing the movable jaw unit, reversing and inserting it back into the wrench body.

REFERENCES:
patent: 159420 (1875-02-01), Kohler
patent: 953346 (1910-03-01), Newbauer
patent: 1228850 (1917-06-01), Upson
patent: 1402686 (1922-01-01), Trabold
patent: 1551763 (1925-09-01), Morns
patent: 1557864 (1925-10-01), Mull
patent: 2499609 (1950-03-01), Klordan
patent: 2724301 (1955-11-01), Parent et al.

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