Ratcheting adjustable wrench

Details Ratcheting adjustable wrench Ratcheting adjustable wrench

1993-04-12

1994-03-29

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81158, 81176, B25B 1314

Patent

active

052974596

ABSTRACT:
A wrench is provided which has a worm gear and mating rack adjustable jaw positioning mechanism for placing a pair of jaws which are adjustable with respect to each other so that they may firmly grip various size nuts, with a mechanism responsive to torque applied in a first direction which causes the jaws to tighten and apply torque to the nut and also responsive to torque applied in a second direction which allows the jaws to separate and ratchet to a new position.

REFERENCES:
patent: 1171939 (1916-02-01), Ginsburg
patent: 1503662 (1924-08-01), Norton
patent: 2722150 (1955-11-01), Green
patent: 3926077 (1975-12-01), Nordgren

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