Print cartidge and image forming apparatus employing the same

Details Print cartidge and image forming apparatus employing the same Print cartidge and image forming apparatus employing the same

1991-03-18

1992-07-07

Grimley, A. T.

Photocopying

Contact printing

Light boxes

29123, 355210, 355211, G03G 1500, G03G 2100

Patent

active

051287153

ABSTRACT:
A print cartridge having: a housing; an image bearing member rotatably supported on the housing; and a power transmit member for connecting the image bearing member to a drive shaft of metal projected from a body of an apparatus. The print cartridge is withdrawable from the apparatus body. The image bearing member includes a cylindrical drum and a flange fixedly mounted on one end of the drum; the flange having a metal portion provided at a central portion thereof, and a resin portion provided around the metal portion. The metal portion has at an axis of rotation of the flange a shaft support portion for rotatably supporting the drive shaft. The metal portion has a first fitting portion provided on one side thereof directed toward the power transmit member. The power transmit member has a second fitting portion provided on one side thereof directed toward the flange. The first fitting portion and the second fitting portion are fitted together in the direction of rotation of the image bearing member.

REFERENCES:
patent: 4344700 (1982-08-01), Kasama et al.
patent: 4449809 (1984-05-01), Tamura
patent: 4591258 (1986-05-01), Nishino et al.
patent: 4714337 (1987-12-01), Nishino et al.
patent: 4922297 (1990-05-01), Kondo
patent: 4975744 (1990-12-01), Ebata et al.
patent: 5023660 (1991-06-01), Ebata et al.
patent: 5052090 (1991-10-01), Kitaura et al.

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