Patent ID: 6354605
Filing Date: 2002-03-12
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 having a nose section and a tail section, said tail section being configured to rotate with said drive shaft and said nose section having an axial bore formed therein; and a plurality of jaws movably disposed with respect to said body to and away from said axial bore, wherein each said jaw includes a tool engaging surface facing, and generally parallel to the axis of, said axial bore, a back surface opposite said tool engaging surface, and a pair of planar side surfaces extending from said tool engaging surface toward said back surface, wherein said side surfaces are disposed on either side of a plane that includes said axis and wherein said side surfaces define an angle through said jaw between said surfaces that is greater than 360Â° divided by the number of jaws.