Chucks or sockets – Expanding – Collet type
Patent
1974-06-21
1976-07-13
Simpson, Othell M.
Chucks or sockets
Expanding
Collet type
274 40, 279 1L, 279 1SJ, 346137, B23B 3118
Patent
active
039689727
ABSTRACT:
A diametrically-enlargeable cylindrical drum portion, preferably comprised of a plurality of movable segmental elements, each of U-shaped or other configuration having a pair of spaced legs or sides, which are resiliently flexible toward one another, mounted in a circuitous pattern on a rotatable member to form outwardly-projecting inner and outer generally concentric annular shoulder formations. The outer such formation provides a segmented hub for receiving a disc by its center opening, such hub being expandable against the opening in the disc to center the latter, as a result of moving a tapered actuator against the inner such annular formation, such actuator preferably comprising a conically angled ridge formation on a rotatable element which is movable into registering contact with the first such member.
REFERENCES:
patent: 2113141 (1938-04-01), Huenlich et al.
patent: 2739818 (1956-03-01), Benjamin et al.
patent: 3416154 (1968-12-01), Heller et al.
patent: 3610643 (1971-10-01), Thompson
patent: 3678481 (1972-07-01), Dalziel et al.
patent: 3729720 (1973-04-01), Darling et al.
patent: 3768815 (1973-10-01), Mathurin
patent: 3838460 (1974-09-01), Stewart
Briggs W. R.
Simpson Othell M.
Sycor, Inc.
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