Full surface texture collet system

Details Full surface texture collet system Full surface texture collet system

1996-08-12

1998-07-28

Bishop, Steven C.

Chucks or sockets

Expanding

Collet type

118503, 269 481, 279 50, 279 221, 427128, 451 63, 451307, B23B 3140

Patent

active

057853240

ABSTRACT:
A collet system for mounting, holding, and rotating a rigid disk is described, the collet system including a collet and an expander, the collet having a base portion and fingers longitudinally extending therefrom, the fingers forming a disk contact ring opposite the base. The disk contact ring is less than the thickness of the disk to allow for full surface texturization of the disk. The disk contact ring is not coplanar with any locus of expansion contact points between the collet fingers and the expander, and is sufficiently distant therefrom such that the outward force exerted on the inner disk surface is determined by a cantilever spring deflection experienced by the fingers. This ensures substantially uniform and repeatable outward forces on the inner surface of the disk regardless of minor surface variations along the locus of expansion contact points.

REFERENCES:
patent: 4208061 (1980-06-01), Morawski
patent: 5560624 (1996-10-01), Williams et al.

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