KEYLESS CHUCK WITH INTEGRAL THREADED RING

摘要

A chuck for use with a manual or power driver having a rotatable drive shaft. The chuck includes a generally cylindrical body member with a nose section and a tail section. The tail section has an axial bore formed therein to mate with the drive shaft of the driver, and the nose section has an axial bore therein and a plurality of annularly disposed passageways formed therethrough and intersecting the axial bore for receipt of a plurality of jaws slidably positioned therein. The chuck further includes a generally cylindrical front sleeve member overlaying the nose section of the body member and rotatable with respect thereto. The front sleeve member includes a threaded nut portion integral therewith and in engagement with the threads on the jaws such that when the front sleeve member is rotated with respect to the body member, the jaws will be advanced or retracted, depending on the direction of rotation.