Reversible ratchet wrench

Details Reversible ratchet wrench Reversible ratchet wrench

1979-10-17

1981-03-10

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

192 431, B25B 1346

Patent

active

042546753

ABSTRACT:
A reversible ratchet wrench having a pivotable pawl element including a pair of pawls and a cam surface corresponding to each pawl. A resilient pusher member is eccentrically carried by a control rod and acts against the cam surfaces to pivot the pawl member when the rod is rotated. The rod is rotatably secured to a barrel located about and rotatably fixed to the body of the wrench in one axial position. The barrel has a detent positioned in one of two circumferentially spaced slots in the body in the first position, and in a circumferential notch in a second position. The slots open into the notch to allow axial movement and a spring urges the barrel toward the first position but is manually overcome to move the barrel to the second position for reversing.

REFERENCES:
patent: 349007 (1886-09-01), Sinclair
patent: 3659484 (1972-05-01), Scodeller
patent: 3724298 (1973-04-01), Howard

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