Patent ID: 6115570
Filing Date: 2000-09-05
Classification: G03G,Y10T

Abstract:
A process cartridge for use in a printing machine comprising:a first housing portion including a first housing attachment surface;a second housing portion including a second housing attachment surface, at least a portion of the second housing attachment surface associated with at least a portion of the first housing attachment surface;a plurality of rivets each of said plurality of rivets including a retaining portion thereof, the retaining portion of at least one of said rivets comprises a protrusion, at least one of said first housing portion and said second housing portion defining an aperture for passage of the retaining portion of at least one of said rivets therethrough and the other of at least one of said first housing portion and said second housing portion defining a cavity for receiving the retaining portion of said at least one rivet, the portion of said housing defining the cavity being interferencely fitted to the retaining portion of said at least one rivet by ultrasonic welding.