Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent
1993-08-02
1994-07-26
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Slidable jaw adjustments
81145, B25B 1316
Patent
active
053318684
ABSTRACT:
A wrench including a main body having an elongate handle portion and a head portion, the head portion including a fixed primary jaw with a fixed grasping face and a pair of spaced, parallel track segments extending from the fixed grasping face, the track segments being spaced apart from one another so as to define a central channel therebetween. A pair of parallel slide faces on the secondary jaw slidingly and matingly confronting the parallel track segments, and at least one of the parallel slide faces including a vertical bore extending therethrough wherein a vertical spring is disposed, the vertical spring exerting an outwardly biasing force on a ballbearing disposed between the spring and the track segments, the track segment including a plurality of spaced recesses wherein the ballbearing is urged by the spring upon sliding of the secondary jaw along the track segment, the entry of one of the ballbearings into a recess resulting in removable locked engagement of the sliding secondary jaw in a predetermined position and a substantially audible sound being made so as to signal locked engagement at one of the plurality of recesses.
REFERENCES:
patent: 2722150 (1955-11-01), Green
patent: 4326436 (1982-04-01), McGraw
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