Ratchet wrench

Details Ratchet wrench Ratchet wrench

1992-03-17

1993-04-13

Rachuba, M.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 62, B25B 1700

Patent

active

052012557

ABSTRACT:
This invention relates to a socket wrench which is capable of loosening or tightening a nut or bolt by either rotation of the wrench in a direction conducive to effect such tightening or loosening in a conventional manner or by rotation of the wrench handle along its longitudinal axis. The wrench provides a ratcheting action so that the initial positions of the wrench or the wrench handle can be reachieved during tightening or loosening.

REFERENCES:
patent: 3707893 (1973-01-01), Hofman
patent: 3952617 (1976-04-01), Gegg
patent: 4137801 (1979-02-01), Imperio
patent: 4218940 (1980-08-01), Main
patent: 4545267 (1985-10-01), Shumway

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