Collet

Details Collet Collet

1995-08-25

1997-03-25

Bishop, Steven C.

Chucks or sockets

Expanding

Collet type

279 222, 279 212, 279 409, 279 469, 279 57, 279 465, B23B 3120, B23B 3140

Patent

active

056136927

ABSTRACT:
A circular flexible collet that provides a 360 degree gripping engagement with a cylindrical workpiece and which is operable by an actuator member incorporated in a workpiece chuck. The collet may be constructed as an internal collet for gripping engagement with a workpiece internal periphery, or as an external collet for gripping engagement with a workpiece external periphery. The flexible collet may be used for single, or plural workpiece gripping actions. The collet includes a spring steel body having a radial opening and an outer and an inner circular periphery. One circular periphery is a workpiece gripping surface, and the other circular periphery has a tapered cam surface engageable by a workpiece chuck actuator member. The tapered cam surface has a plurality of circumferentially spaced apart slots having an open outer end. In an internal collet the tapered cam surface is formed around the collet body inner periphery. In an external collet the tapered cam surface is formed around the collet body outer periphery.

REFERENCES:
patent: 3437342 (1969-04-01), Mann
patent: 3900913 (1975-08-01), Drumm
patent: 4042162 (1977-06-01), Flinchbaugh
patent: 4432559 (1984-02-01), Rasmussen

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