Apparatus for mounting plate on plate cylinder

Details Apparatus for mounting plate on plate cylinder Apparatus for mounting plate on plate cylinder

1993-04-15

1994-03-01

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

1013821, 101DIG36, 101383, 101378, B41F 2706, B41F 2712

Patent

active

052897737

ABSTRACT:
An object of this invention is to provide an apparatus capable of easily and accurately mounting a plate to a predetermined position of the circumferential surface of a plate cylinder. A safety cover for covering the circumferential surface of a plate cylinder is suspended and is vertically opened/closed by a hydraulic cylinder. A plate reception member and a plate holder are mounted on the safety cover to hold a plate to be mounted on the plate cylinder. In mounting of the plate, the safety cover is opened, and the lower end of the plate is removed from the plate holder and is inserted into a plate lockup device mounted in the plate cylinder. At this time, notches formed at the lower end of the plate are respectively engaged with reference pins formed on the plate lockup device. When the upper end of the plate is inserted into the plate press member, the notches of the plate are fitted on the reference pins by the weight of the plate and the behavior of the plate press member.

REFERENCES:
patent: 4191105 (1980-03-01), Ohlsson
patent: 4363668 (1983-01-01), Johne et al.
patent: 4628815 (1986-12-01), Van Kunegan
patent: 5094165 (1992-03-01), Sugiyama et al.

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