Electrostatic copying machine

Details Electrostatic copying machine Electrostatic copying machine

1974-10-30

1976-01-20

Hayes, Monroe H.

Photocopying

Including fiber optics

271 3, 355 11, 355 51, G03G 1522

Patent

active

039334147

ABSTRACT:
An electrostatic copying machine which has a carriage for a documents original reciprocably movable at the upper side of the machine casing above a scanning aperture and which has an L-shaped light tunnel between the scanning aperture and the exposure station also has an L-shaped path for copy sheets through the machine. A copy sheet moves vertically downwardly in a straight line from a stack holder through electrostatic charging means and an exposure station and is turned to a horizontal path by a curved plate in a subsequent developing unit. The stack holder may be of the cassette type having a window through which the number of remaining copy sheets can be observed.

REFERENCES:
patent: 3044386 (1962-07-01), Limberger
patent: 3438707 (1969-04-01), Hanson
patent: 3560087 (1971-02-01), Washio et al.
patent: 3728015 (1973-04-01), Opravil
patent: 3776629 (1973-12-01), Ogawa
patent: 3806112 (1974-04-01), Melby et al.
patent: 3827687 (1974-08-01), Kono
patent: 3883241 (1975-05-01), Zeuthen

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