Photocopying – Contact printing – Light boxes
Patent
1988-11-03
1992-03-10
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
355311, 355315, 271307, 271900, G03G 1500, G03G 1514, B65H 2956
Patent
active
RE0338443
ABSTRACT:
A recording apparatus includes an image bearing or forming drum which is driven to rotate in a predetermined direction at constant speed. As the drum rotates, an image is formed on its peripheral surface electrostatically or electrophotographically. The image, developed or undeveloped, on the drum is then transferred to a transfer medium with the stiffness of the transfer medium being adjusted prior to the transfer. The drum has a diameter which is small enough for the transfer medium to be separated away from the drum by its own stiffness after image transfer, thereby allowing to dispose of an extra separating device and to make the whole apparatus compact in size and simple in structure.
REFERENCES:
patent: 3508824 (1970-04-01), Leinbach et al.
patent: 3850519 (1974-11-01), Weikel, Jr.
patent: 3984183 (1976-10-01), Maksymiak
patent: 3997262 (1976-12-01), Doi et al.
patent: 4126388 (1978-11-01), Kawai
patent: 4363550 (1982-12-01), Toshimitsu et al.
patent: 4378154 (1983-03-01), Hoffman
patent: 4500195 (1985-02-01), Hosono
IBM Technical Disclosure Bulletin; vol. 18, No. 7, Dec. 1975 Colglazier et al., "Variable Size Exit Tray", pp. 2059-2060.
Electrophotography, Schaffert, R. M., The Focas Press, New York, 1975, p. 167.
Akutsu Eiichi
Koizumi Yutaka
Pendegrass Joan H.
Ricoh & Company, Ltd.
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