Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1979-07-16
1981-07-07
Beha, Jr., William H.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
1014151, 355 3DR, G03G 1500
Patent
active
042771641
ABSTRACT:
In an electrophotographic copier including a replaceable photoconductive sheet having a leading edge portion and a trailing edge portion and a guide drum rotatably supported by a drum shaft and having a circumferential surface for supporting the sheet and a holding device for securing the leading sheet edge portion to the guide drum, the holding device is composed of elements defining a wedge-shaped slot disposed alongside the circumferential surface of the drum and delimited by a pair of faces which converge toward the circumferential surface where they form an insertion opening for a photoconductive sheet, a wedge loosely disposed in the wedge-shaped slot, and an element urging the wedge toward the insertion opening for clamping a photoconductive sheet end inserted in the slot between the wedge and one of the faces.
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patent: 3719142 (1973-03-01), Abe
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patent: 3839961 (1974-10-01), Murata
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patent: 4183652 (1980-01-01), Yanagawa
patent: 4219272 (1980-08-01), Bruckel
IBM Tech. Disc. Bull., "Drum Seal Interlock" vol. 20, No. 10, Mar. 1978, pp. 3837, 3838.
Beha Jr. William H.
Olympia Werke AG
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