Electrophotographic apparatus having positioning mechanism for d

Details Electrophotographic apparatus having positioning mechanism for d Electrophotographic apparatus having positioning mechanism for d

1989-02-07

1991-04-23

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

G03G 1500

Patent

active

050103652

ABSTRACT:
An electrophotographic apparatus having a process cartridge for placing a photosensitive drum capable of rotating on a rotational shaft is detachably provided in a housing containing a photosensitive drum driving mechanism and having an opening formed at the top of the housing openable by a cover for detaching and attaching the process cartridge. A positioning mechanism for positioning the rotational shaft of the photosensitive drum is attached through the opening at a predetermined position and is capable of transmitting the drive of the driving mechanism. Thus, the process cartridge can be detached or attached from or to the housing elevationally with respect to the housing and the cartridge can be attached or detached while an operator stands still.

REFERENCES:
patent: 3966316 (1976-06-01), Pfeifer et al.
patent: 4598992 (1986-08-01), Landa et al.
patent: 4609279 (1986-09-01), Mitzutani

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