Patent ID: 8909102

Claim:
A toner drum gear flange socket adapted for engagement with a force transmitting end of a drive shaft associated with an electrophotographic image forming apparatus, the socket comprising: a bottom wall; an outer cylindrical wall including an inner surface and defining a central axis, the outer cylindrical wall extending axially from the bottom wall and cooperating therewith to define a flange cavity; a plurality of circumferentially spaced apart curved base wall portions extending axially from the bottom wall, each base wall portion having the central axis as its axis of curvature, and including an enlarged end portion that defines a radially inwardly extending projection; and a plurality of substantially straight leg wall portions extending axially from the bottom wall, each leg wall portion also extending generally radially from one end of a respective one of the curved base wall portions and defining an elongated contact surface for receiving driving rotational force from the force transmitting end of the drive shaft.