Image bearing member and driving mechanism therefor

Details Image bearing member and driving mechanism therefor Image bearing member and driving mechanism therefor

1988-06-27

1991-06-11

Moses, R. L.

Photocopying

Contact printing

Light boxes

29123, 355210, G03G 1500

Patent

active

050236601

ABSTRACT:
The improvement is in the driving mechanism and positioning mechanism between an image bearing member and a main assembly of an image forming apparatus using the image bearing member. The image bearing member has a shaft receiving portion adjacent the center thereof to receive a positioning shaft of the main assembly when the image bearing member is mounted in said main assembly. By the receiving engagement, the image bearing member is correctly positioned with respect to the main assembly. The image bearing member is also provided with a driving force receiving portion where the image bearing member is engaged with a driving member of the main assembly so that the image bearing member can be driven from the main assembly. In such an arrangement, the shaft receiving portion and the driving force receiving portion are radially overlapped, at least in part, with each other as seen from a rotational axis of the image bearing member.

REFERENCES:
patent: 3910184 (1975-10-01), Springer
patent: 4326793 (1982-04-01), Buholtz
patent: 4327992 (1982-05-01), Babicz
patent: 4345834 (1982-08-01), Kimura et al.
patent: 4449809 (1984-05-01), Tamura
patent: 4527883 (1985-07-01), Kamiyama
patent: 4530588 (1985-07-01), Kimura et al.
patent: 4561763 (1985-12-01), Basch
patent: 4575221 (1986-03-01), Onodo et al.
patent: 4591258 (1986-05-01), Nishino et al.

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