Patent ID: 6045141
Filing Date: 2000-04-04
Classification: B23B,Y10T

Abstract:
A chuck for use with a manual or powered driver having a rotatable drive shaft, said chuck comprising:a) an integrally molded body member having a nose section and a tail section, said nose section having an axial bore formed therein and a plurality of angularly disposed passageways formed therethrough and intersecting said axial bore;b) a plurality of jaws slidably positioned in said angularly disposed passageways, each of said jaws having a tool engaging face formed on one side thereof and threads formed on an opposite outer surface;c) a nut rotatably mounted on said body member and in engagement with said threads on said jaws;d) a sleeve member in driving engagement with said nut whereby when said sleeve is rotated with respect to said body member, said jaws will be moved thereby; ande) a reinforcing nosepiece disposed around at least a portion of said nose section, said nosepiece including a portion engaging said nut to prevent said nut from disengaging the threads on the jaws because of excessive movement in the direction of the nose section.