Ratchet wrench

Details Ratchet wrench Ratchet wrench

1982-03-08

1984-05-15

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 581, 81 62, B25B 1700

Patent

active

044480954

ABSTRACT:
In a preferred embodiment, gear drive mechanism includes a non-driving space in reversing direction of rotation of the handle of ratchet wrench, within that interval providing for handle engagement with a toggle-type switch for reversing ratcheting direction, handle engagement of ratcheting mechanism being by way of a handle twistable out of alignment with mounting structure of the handle portion of the wrench such that non-circular circumscribing inside wall surfaces of the handle as viewed in transverse cross-section, engages and wedges a roller against the rounded surface of the drive shaft whereby while the roller is wedged, reverse direction turning of the handle causes the drive shaft to turn to thereby flip the toggle-like switch mechanism reversing the ratcheting direction of the ratchet wrench.

REFERENCES:
patent: 2703030 (1955-03-01), Marvin
patent: 3372781 (1968-03-01), Fulton
patent: 3659484 (1972-05-01), Scodeller
patent: 3952617 (1976-04-01), Degg
patent: 4086829 (1978-05-01), Hudgins
patent: 4128025 (1978-12-01), Main et al.
patent: 4318314 (1982-03-01), Furedi et al.

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