Patent ID: 6488287
Filing Date: 2002-12-03
Classification: B23B,Y10S,Y10T

Abstract:
A chuck for use with a driver having a housing and a rotatable drive shaft extending therefrom, the chuck comprising:a nut in operative communication with the drive shaft, the nut defining a thread on a radially outward facing surface thereof; a generally cylindrical spindle ring axially fixed on the drive shaft; a generally cylindrical bearing ring disposed axially reciprocally within a limited range of movement about the spindle ring; a plurality of jaws, each jaw having a tool engaging jaw face and threads formed thereon, the jaw threads in engagement with the nut thread; a generally cylindrical body member having a nose section and a tail section, the nose section having an axial bore formed therein and a plurality of angularly disposed passageways formed therethrough and intersecting the axial bore, the tail section in engagement with the bearing ring so that the body member is held against moving axially past the spindle ring in a direction away from the drive shaft, wherein each angularly disposed passageway receives a respective one of the jaws; and means for locking the body member to the housing.