Patent ID: 6568888
Filing Date: 2003-05-27
Classification: B23B,Y10T

Abstract:
A collet chuck for holding a mounting collar of an object to be rotated, the chuck comprising:a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar; a plurality of jaws in the socket having front ends engageable inside the collar in the socket and rear ends offset axially rearwardly from the front ends, the jaws being angularly spaced and defining axially extending and radially inwardly open slots; a setting sleeve having a front cam surface engageable with inner faces of the front ends of the jaws, whereby the sleeve can cam out the front ends to lock the jaws to the collar in the socket, the sleeve being unitarily formed with radially outwardly projecting and axially extending ribs each received in a respective one of the slots and each of a shape fitting complementarily with the respective slot.