Patent ID: 6736410
Filing Date: 2004-05-18
Classification: B23B,Y10S,Y10T

Abstract:
A chuck for use with a manual or powered driver having a rotatable drive shaft, said chuck comprising:a generally cylindrical body member having a nose section having an axial bore formed therein; a tail section being configured to rotate with the drive shaft of the driver; and an integrally formed thrust ring intermediate said tail section and said nose section, said thrust ring and said body member defining a groove having a diameter smaller than a body diameter proximate said groove; a plurality of jaws disposed radial reciprocally within said body in communication with said axial bore, each of said jaws having a jaw face formed on one side thereof for engagement with a tool shaft and threads formed on the opposite side thereof; a split nut disposed on said body proximate a front face of said thrust ring and in driving engagement with said jaws so that movement of said nut with respect to said body drives said jaws into and out of said axial bore; a generally cylindrical first sleeve received over the forward section of said body and rotationally locked to said nut by a plurality of axial ribs integrally formed in an inner circumference of said first sleeve so that rotation of said first sleeve causes said jaws to move towards or away from said axial bore depending on the direction of rotation of said first sleeve; and a nose piece adapted to couple to said nose section of said body and to retain said first sleeve in a rotationally locked position with said nut.