Patent ID: 6752560
Filing Date: 2004-06-22
Classification: F04D,F16D,Y10T

Abstract:
A pump shaft assembly, comprising:a shaft having an end face and an outer diameter with a keyway slot; a shaft sleeve having an exterior splined section, a bore that receives the shaft, and a keyway slot in the bore that mates with the keyway slot of the shaft to form a keyway; a key located in the keyway for transmitting torque between the shaft and the shaft sleeve; an annular groove formed in the bore of the sleeve, the groove having axially spaced apart opposed walls; a retainer ring that snaps within the annular groove and is prevented from axial movement by the opposed walls of the groove; a threaded hole in the end face of the shaft; and a threaded fastener that secures in the threaded hole and has a head that forces the retainer ring against the end face to releasably secure the shaft sleeve axially to the shaft.