Patent ID: 6601485
Filing Date: 2003-08-05
Classification: B23B,B23Q,Y10T

Abstract:
A duplex chuck for refinishing differently configured rotor workpieces on a spindle member having a clamping arbor nut, each rotor workpiece having a centering diameter and a rotor mounting surface, the duplex chuck comprising:(a) a chuck body having a body bore for locating on the spindle member and rotation therewith, respective pluralities of radially oriented first and second jaw slots being formed in respective opposite ends of the chuck body; (b) respective sets of first and second chuck jaws for slidably engaging the first and second jaw slots of the chuck body, the jaw members of each set having respective shoulder surfaces for engaging the centering diameter of one of the rotor workpieces; (c) first and second scroll members rotatably mounted in the body for radially advancing corresponding first and second chuck jaws when the jaws are engaging the first and second jaw slots; (d) a first pinion member rotatably mounted in the chuck body and having geared engagement with the first scroll member for rotation thereof; and (e) a second pinion member rotatably mounted in the chuck body and having geared engagement with the second scroll member for rotation thereof, the pluralities of first and second chuck jaws being independently advanceable in response to corresponding rotation of the first and second pinion members.