Device for detachably attaching a master sheet to a drum

Details Device for detachably attaching a master sheet to a drum Device for detachably attaching a master sheet to a drum

1980-02-22

1981-11-03

Wintercorn, Richard A.

Photocopying

Contact printing

Exposing on sensitized printing press plate or cylinder

355 3DR, 355104, G03B 2704

Patent

active

042982782

ABSTRACT:
In a copying machine having a drum of the type in which a master sheet is detachably attached to the periphery of the drum, the improvement comprising a rotary shaft for supporting the drum, clutch means provided between the drum and a driving member for rotating the drum, a pair of fastening members mounted on the drum for attaching both ends of the master sheet onto the drum, wherein at least one of fastening members is moved from a fastening condition to removing condition by the relative displacement of the drum and the driving member.

REFERENCES:
patent: 771775 (1904-10-01), Fullman
patent: 3531200 (1970-09-01), Moll
patent: 3610121 (1971-10-01), Hansen et al.
patent: 3921182 (1975-11-01), Hansen et al.
patent: 4089009 (1978-05-01), Frazier

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