Patent ID: 6173972
Filing Date: 2001-01-16
Classification: B23B,Y10S,Y10T

Abstract:
A chuck for use with a manual or powered driver having a housing and a drive shaft rotatable with respect to said housing, said chuck comprising:a generally cylindrical body, said body having a forward section and a rearward section, said rearward section having an axial bore formed therein to mate with said drive shaft of said driver;a nut rotatably mounted relative to said body so that relative rotation between said nut and said body moves said chuck toward an open or closed position, depending upon the direction of said relative rotation;a first sleeve rotationally fixed to said nut and rotatable and axially movable with respect to said body; anda collar disposed operatively between said first sleeve and said body, said collar being rotationally fixed to and axially movable with respect to said body and axially fixed to and rotatable with respect to said first sleeve so that said collar moves axially with said first sleeve with respect to said body between a first axial position and a second axial position,wherein said collar is rotatable with respect to said housing in said first position and is rotationally fixed to said housing in said second position.