Copying machine

Details Copying machine Copying machine

1988-05-11

1989-06-27

Moses, R. L.

Photocopying

Contact printing

Light boxes

355308, G03G 1500

Patent

active

048434370

ABSTRACT:
The disclosure relates to a copying machine in which a document is continuously transported to obtain a copy image with an exposure device fixed. The machine comprises a first unit for forming an image of a document on copy paper, a second unit provided so as to be capable of opening and closing relative to the first unit and including document transport rollers and a motor for driving said rollers and a sensor for detecting abnormal operation of the motor.
When the second unit is detected to be opened, the detecting operation of the sensor is inhibited.

REFERENCES:
patent: 3863912 (1975-02-01), Korff
patent: 4099860 (1978-07-01), Connin
patent: 4264188 (1981-04-01), Tomosada et al.
patent: 4508444 (1985-04-01), May et al.
patent: 4545668 (1985-10-01), Zaitsu
patent: 4551009 (1985-11-01), Shigemura et al.
patent: 4711550 (1987-12-01), Sumida et al.
patent: 4751552 (1988-06-01), Itoigawa

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