Patent ID: 6017039
Filing Date: 2000-01-25
Classification: B23B,Y10S,Y10T

Abstract:
A chuck for use with a manual or powered driver having a rotatable drive shaft, said chuck comprising:a) a generally cylindrical body member having a nose section and a tail section, said tail section adapted to mate with said drive shaft of said driver and 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 each of said angularly disposed passageways, each of said jaws having a jaw face formed on one side thereof and threads formed on the opposite side thereof;c) a nut rotatably mounted with respect to said body member and in engagement with said threads on said jaws;d) a nosepiece received on the nose section of said body, said nosepiece including a nut contact portion to assist in preventing said nut from disengaging the threads on said jaws, said nut contact portion being configured with respect to the angularly disposed passageways in said body member so as not to interfere with the jaws positioned therein, said nosepiece including a radially inwardly extending portion extending over at least a portion of the forwardmost section of said nose section; ande) a sleeve member in driving engagement with said nut whereby when said sleeve member is rotated with respect to said body member, said jaws will be moved thereby.