Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Patent
1981-05-04
1984-11-06
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
403325, B25B 1300
Patent
active
044805110
ABSTRACT:
This invention relates to a socket wrench drive extension incorporating a quick release and locking feature. The extension is used in conjunction with a ratchet drive and standard mechanic's sockets for driving threaded fasteners. The invention utilizes a longitudinal control bar which bears directly or indirectly on a detent contained in a transverse bore at the driving end of the extension. The longitudinal control bar fits a channel machined into the exterior surface of the extension and is operated through the retraction of a spring loaded collar.
REFERENCES:
patent: 2162359 (1939-06-01), Rhinevault
patent: 3638519 (1972-02-01), Rebold
patent: 3924493 (1975-12-01), Penner
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