Photocopying – Contact printing – Light boxes
Patent
1993-08-31
1995-12-19
Grimley, A. T.
Photocopying
Contact printing
Light boxes
347130, 347152, 355200, 355219, 355221, 355229, G03G 1300, G03G 1500, G03G 1530, G03G 1504
Patent
active
054773067
ABSTRACT:
In an electrophotographic device, a main body is divided into a lower body and a swingable upper body. A process unit formed of at least a toner holder, a charger, and a developer is detachably mounted in the lower body. The position of the process unit (particularly, the photosensitive member) relative to the lower body (particularly, a member driving gear) is controlled by placing a shaft of the member through a groove in a side wall of the lower body at one end of the member, and by bringing a lower end of the side wall of the process unit supporting the member into contact with an upper end of a support member supporting the member driving gear. An exposure unit mounted in the upper body is positioned to the photosensitive member with a predetermined distance therebetween by bringing a contact portion of the exposure head into contact with the side wall of the lower body supporting the member.
REFERENCES:
patent: 4757342 (1988-07-01), Ogura et al.
patent: 4963928 (1990-10-01), Yoshiura
patent: 5204713 (1993-04-01), Yamamura
patent: 5216465 (1993-06-01), Arai et al.
patent: 5291249 (1994-03-01), Lee
patent: 5345294 (1994-09-01), Nomura et al.
Arai Seiji
Iguchi Michihisa
Kabai Takahito
Katagata Satoshi
Sakai Chinobu
Grimley A. T.
Kabushiki Kaisha Toshiba
Lee Shuk Y.
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