Chuck for tubular workpieces

Details Chuck for tubular workpieces Chuck for tubular workpieces

1982-04-16

1983-12-27

Briggs, William R.

Chucks or sockets

Expanding

Collet type

279 1Q, 279 2R, 279 4, 279 41R, 279 46R, B23B 3120

Patent

active

044226535

ABSTRACT:
A chuck is provided with a cylindrical workpiece gripping element having a jacket and an article gripping member and a resilient rubber-like sleeve sandwiched between. The jacket and gripping member are partially segmented into longitudinal strips so that the element as a whole can be diametrically expanded and contracted and when used to grip a workpiece having an eccentric surface the element will automatically adjust to apply equal pressure at all points on the workpiece surface and thus not distort the workpiece. The element is expanded and contracted by movable jaws.

REFERENCES:
patent: 2749160 (1956-06-01), Cowles
patent: 2829899 (1958-03-01), Drew et al.
patent: 2896954 (1959-07-01), Ernest
patent: 3360276 (1967-12-01), Peffer
patent: 3448988 (1969-06-01), Athanasiou
patent: 3497226 (1970-02-01), Hohwart
patent: 3637156 (1972-01-01), Shepherd
patent: 3638979 (1972-02-01), Francois et al.
patent: 3761008 (1973-09-01), Goulder
patent: 3829147 (1974-08-01), Ryswick
patent: 4284283 (1981-08-01), Stermann

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