Quick change in-motion tool chuck

Details Quick change in-motion tool chuck Quick change in-motion tool chuck

B - Operations, Transporting

23

B

29/19

B23B 31/18 (2006.01)

Patent

CA 1040846

QUICK CHANGE IN-MOTION TOOL CHUCK (Holt) Abstract A tool chuck includes a spindle having a barrel with an axial bore therein, and a collar slidably disposed about the barrel. A diametrical slot within the barrel receives a pair of opposed, pivoting toggles which engage and retain the end of a tool inserted in the barrel bore. The toggles are pivoted by a pair of linking members secured to a cylindrical member disposed in axially trans- latable fashion in the upper end of the bore. The cylin- drical member is translated by the collar by means of an annular slot therein which receives opposed shoulders entending from the cylindrical member through another diametrical slot. Axial translation of the collar re- leases or secures a tool in the bore while the chuck is rotating at operating speed. -1-

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