Unidirectional gripping open end wrench

Details Unidirectional gripping open end wrench Unidirectional gripping open end wrench

1977-08-18

1979-06-26

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Sliding jaw face

81186, B25B 1312

Patent

active

041589750

ABSTRACT:
An open end ratchet wrench having an arcuate cavity to receive a D-shaped member. The D-shaped member being movable between inner and outer ends of the cavity to either ratchet around a nut or bolt or to apply a tightening force.

REFERENCES:
patent: 2563878 (1951-08-01), Sigsbey
patent: 2721493 (1955-10-01), Bergland
patent: 2797600 (1957-07-01), Beaver
patent: 3198041 (1965-08-01), Davis
patent: 3425302 (1969-02-01), Davis
patent: 3695125 (1972-10-01), Glass et al.

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