Quick change in-motion tool chuck
OwnerDonald G. Holtinventor
Life of this patent
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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 translatable fashion in the upper end of the bore. The cylindrical member is translated by the collar by means of an annular slot therein which receives opposed shoulders extending from the cylindrical member through another diametrical slot. Axial translation of the collar releases or secures a tool in the bore while the chuck is rotating at operating speed.
Claims11
A tool chuck system for securing and removing a tool in a rotary machine during rotation thereof comprises a spindle adapted to be secured to the rotary machine, a barrel extending axially from said spindle, said barrel including a bore extending axially therein from the distal end thereof;
- an actuator member disposed about said barrel and slidably translatable thereon;
- a cylindrical member slidably disposed in the inner end of said bore;
- a first pair of opposed, diametrical slots disposed within said barrel;
- a pair of toggle members, each of said toggle members pivotally disposed in one of said first pair of slots;
- a pair of linking members, each of said linking members pivotally joined at one end to said cylindrical member and pivotally joined at the other end to one end of one of said toggle members, said linking members being rotatable through a position perpendicular to said axis of said barrel to form a past center linking arrangement with said toggle members, and means for joining said cylindrical member and said actuator member in axially slidable engagement.
Dependencies are inferred from the claim text.