Electrophotographic copier of transfer type

Details Electrophotographic copier of transfer type Electrophotographic copier of transfer type

1974-09-25

1976-04-20

Gonzales, John

Photocopying

Including fiber optics

G03G 1528

Patent

active

039515400

ABSTRACT:
An exposure optical system for continuously projecting the image of an original on a document table onto a moving photoreceptor includes a first carriage equipped with document illuminating means to be moved in synchronism with the photoreceptor and a second carriage to be moved at half the speed of the first carriage in operative relation thereto by a rotary member and equipped with a reflecting optical system. Thus the reciprocal movement of the carriages is effected with a simple mechanism to greatly reduce the space occupied by the exposure optical system and thereby provide a compact copier. Paper feed means includes a mechanism for temporarily interrupting the feed of paper and then intermittently sending out the paper to an image transfer station in synchronism with the movement of the photoreceptor. In order to rotate an endless support of the photoreceptor one turn more than the preset number of copies to be made, the switches of a program circuit for controlling the respective operations are opened and closed by a control member rotated in synchronism with the endless support.

REFERENCES:
patent: 968312 (1910-08-01), Bacon
patent: 3720466 (1973-03-01), Koizumi

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