Wrench for hexagonal regular nuts and locknuts

Details Wrench for hexagonal regular nuts and locknuts Wrench for hexagonal regular nuts and locknuts

1991-08-26

1992-07-07

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Rigid jaws

811245, 81437, B25B 1300

Patent

active

051272890

ABSTRACT:
A wrench for selectively turning a either conventional polygonal nut or a locknut having a key-receiving configuration onto a threaded stud including a wrench body, a polygonal bore in the wrench body, a rectilinearly slidable bit in the bore and biased to an outwardly extending position by a spring, a nose on the bit for mating engagement with the key-receiving configuration of the locknut, a first shoulder within a counterbore of the wrench body for engaging an end of the locknut, the bit being retractable against the bias of the spring when the polygonal nut is inserted into the polygonal bore for mating engagement therewith, and a second shoulder on the wrench body for engaging a shoulder on the polygonal nut.

REFERENCES:
patent: 1619255 (1927-03-01), Haynes
patent: 1898726 (1933-02-01), Hess
patent: 2372269 (1945-03-01), Golan
patent: 2613565 (1952-10-01), Saunders
patent: 2613942 (1952-10-01), Saunders
patent: 3241408 (1966-03-01), McCauley
patent: 3396765 (1968-08-01), Ridenour
patent: 3779105 (1973-12-01), Triplett et al.
patent: 4724730 (1988-02-01), Mader et al.

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