Tools – Wrench – screwdriver – or driver therefor – Plural pivoted jaws and handle-lever
Patent
1988-09-26
1989-08-15
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Plural pivoted jaws and handle-lever
81 532, B25B 1332
Patent
active
048563862
ABSTRACT:
A socket assembly adapts automatically to wrenching surfaces of a nut or a bolt within a predetermined range of sizes. The socket assembly includes interfitting and relatively rotatable outer and inner annular members and a plurality of spring-loaded pawls for gripping the wrenching surfaces of the nut or the bolt to impart wrenching torque thereto.
REFERENCES:
patent: 2592037 (1952-04-01), Keiser
patent: 3413876 (1968-12-01), Shinn
patent: 4676125 (1987-06-01), Ardelean
patent: 4724730 (1988-02-01), Mader et al.
Craig Richard A.
Smith James G.
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