Patent ID: 8011848

Claim:
A quick change adapter for removeably mounting a finishing tool to a rotary drive shaft, the quick change adapter comprising: a shaft hub mount adapted to attach to a drive shaft, the shaft hub mount including: a shaft sleeve adapted to slide onto the drive shaft, the shaft sleeve having a first end, and a second end on the opposite axial side of the sleeve from the first end, the sleeve including a main portion extending from the first end to a radial flange, the main portion having an outer surface, an annular sleeve ring formed on a radial end of the flange and circumscribing at least a portion of the main portion, the sleeve ring being spaced radially outward from the main portion so as to define a cavity between the outer surface of the main portion and an inner surface of the sleeve ring, at least one locking slot is formed in the sleeve ring and extending axially from one end of the sleeve ring to the flange, and a recess slot formed in the sleeve ring and extending circumferentially from at least one side of the locking slot, an annular locking ring disposed about a rear portion of the shaft sleeve between the flange and the second end, the locking ring adapted to slide on the rear portion of the shaft sleeve, the locking ring having at least one locking tab that extends axially away from a front face of the locking ring, the locking tab adapted to slide axially into the locking slot in the sleeve ring so as to block at least a portion of the recess slot when the locking ring is located adjacent to the flange, a spring retention plate attached to the second end of the shaft sleeve, the retention plate having a front face, and at least one compression spring located between the locking ring and the front face of the spring retention plate for biasing the locking ring toward the flange and away from the retention plate; and a tool adapter mount adapted to removably receive a finishing tool, the tool adapter mount including: an adapter hub with an outer mounting surface, means for removably securing a finishing tool to the adapter hub, and a lock sleeve extends axially from the adapter hub, the lock sleeve having an inner bore formed in a rear end portion of the lock sleeve and sized to slide over the outer surface of the main portion of the shaft sleeve so that when the tool adapter mount is slid into the shaft hub mount, the rear end portion of the lock sleeve is located in the cavity between the sleeve ring and the outer surface of the main portion, the lock sleeve having at least one locking finger projecting radially outward from an outer surface of the lock sleeve, the locking finger adapted to slide into the at least one locking slot and the recess slot on the sleeve ring when the tool adapter mount is slid into engagement with the shaft hub mount.