Plate exchange apparatus for printing press

Details Plate exchange apparatus for printing press Plate exchange apparatus for printing press

1990-12-07

1993-06-15

Fisher, J. Reed

Printing

Flexible-sheet-securing devices

101477, B41F 2706, B41L 2916

Patent

active

052189074

ABSTRACT:
A plate exchange apparatus for a printing press having one fixing unit for fixing one end of a plate and the other fixing unit for fixing the other end of the plate wound around the circumferential surface of a plate cylinder, one fixing unit and the other fixing unit being arranged in a gap in the circumferential surface of the plate cylinder, includes a plate holding apparatus, an old plate holding apparatus, and a new plate holding apparatus. The plate holding apparatus holds an old plate to be removed and a new plate to be supplied. The old plate removal member is arranged in a plate removal path of the old plate which is released from the fixing units and which is removed into the plate holding apparatus upon pivotal movement of the plate cylinder. The old plate removal member holds and moves the old plates one by one every plate replacement cycle and stacks and stores the old plates in the plate holding apparatus. The new plate holding apparatus holds and moves the new plates stacked and stored in the plate holding apparatus and inserts each new plate into one fixing unit in an open state.

REFERENCES:
patent: 3793950 (1974-02-01), Kaneko et al.
patent: 3858513 (1975-01-01), Murata
patent: 4191105 (1980-03-01), Ohlsson
patent: 4417514 (1983-11-01), Hoshino
patent: 4727807 (1988-03-01), Suzuki et al.
Patent Abstracts of Japan, vol. 11, No. 196 (M-601) (2643) Jun. 24, 1987 & JP-A-62 19 458 Akiyama Insatsuki Seizo KK, Jan. 28, 1987.

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