Open-end ratchet-like wrench with releasable locking head

Details Open-end ratchet-like wrench with releasable locking head Open-end ratchet-like wrench with releasable locking head

1985-05-23

1986-11-18

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 60, B25B 1300

Patent

active

046228705

ABSTRACT:
A two way open-end wrench has a rotatable, captive, split socket which is selectively locked and unlocked to the wrench handle for torque transmittal through the meshing engagement of two opposed sets of teeth. One set is disposed around the periphery of the open-sided socket member and the other within the forward, concave end of a spring-loaded coupler disposed partly within and partly outside the wrench body. Engagement of the teeth is effected by the inward movement of the coupler when a user grips the wrench handle preparatory to turning it. Relaxation of the grip at the end of a stroke permits the handle to be returned to the starting position while the socket remains stationary. A projecting extension on the socket provides for manual rotation to the open position, permitting the tool to be withdrawn from a fastener on a tubing line, pipe or cable.

REFERENCES:
patent: 916017 (1909-03-01), Reynolds
patent: 1554964 (1925-09-01), Fisher
patent: 2615358 (1952-10-01), Garno
patent: 2787180 (1957-04-01), Fish
patent: 2842995 (1958-07-01), Johnson
patent: 2851914 (1958-09-01), Zeckzer
patent: 2954715 (1960-10-01), Wycech
patent: 3067641 (1962-12-01), Ricci
patent: 3175434 (1965-03-01), Bergquist
patent: 3386319 (1968-06-01), Bloom
patent: 3448641 (1969-06-01), Morrow
patent: 3504579 (1970-04-01), Harlan
patent: 3535960 (1970-10-01), Borries
patent: 3927582 (1975-12-01), Hertelendy et al.
patent: 3945274 (1976-03-01), Annett

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