Open end ratchet wrench

Details Open end ratchet wrench Open end ratchet wrench

1980-06-02

1982-05-04

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Flexible

81 91R, 81477, B25B 1352

Patent

active

043276105

ABSTRACT:
An open end ratchet wrench has a head portion which includes a slot into which a plurality of cantilever spring segments project. The ends of the cantilever spring segments engage and turn the flat surfaces of a nut when the wrench is turned in a tightening direction. When the wrench is turned in the opposite direction, the cantilever springs flex to override the corners of the nut and then spring back to engage adjacent flat surfaces of the nut.

REFERENCES:
patent: 2697371 (1954-12-01), Bowman
patent: 2838270 (1958-06-01), Danielson
patent: 3655065 (1953-10-01), Murphy
patent: 3906822 (1975-09-01), Hertelendy et al.

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