Chucks or sockets – Socket type – Spring biased jaws
Patent
1978-08-21
1980-07-08
Briggs, William R.
Chucks or sockets
Socket type
Spring biased jaws
279 41R, B23B 3120
Patent
active
042114250
ABSTRACT:
A work holder adapted to minimize clamp distortion of a workpiece by providing a movable metallic collet encompassing the workpiece, and a plurality of front and rear jaws to grip the metallic collet with different pressure forces at the front and rear sections of the collet.
REFERENCES:
patent: 2562455 (1951-07-01), Gridley
patent: 2873121 (1959-02-01), Hahn
patent: 2996301 (1961-08-01), Cox
patent: 3411796 (1968-11-01), Decker
patent: 3495844 (1970-02-01), Dee
Bower James H.
Briggs William R.
Bryant Grinder Corporation
Hill Mitchell J.
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