Patent ID: 6126370
Filing Date: 2000-10-03
Classification: B23B,Y10S,Y10T

Abstract:
A releasable tool holder, comprising:a spindle having two ends, one end adapted to secure said spindle with a rotary device and the other end including a bore having a longitudinal axis to receive a tool;a mechanism for retaining and releasing a tool from said spindle bore, said mechanism coupled with said spindle adjacent said bore end, said mechanism comprising at least two unlike retention members for applying a force on a tool in said bore for retaining a tool in said bore, said at least two unlike retention members being circumferentially positioned at substantially a single longitudinal position along said axis;a sleeve surrounding a portion of said spindle and said at least two retention members, said sleeve including a common surface in contact with said at least two retention members, said surface applying a force on said at least two retention members such that one retention member prohibits axial movement of the tool and the other retention member prohibits circumferential movement of the tool to maintain the tool in the bore, said sleeve movable to enable the tool to be removed from the bore, and a biasing member for maintaining said sleeve in a retention position on said spindle.