Method of replacing plate for printing press

Details Method of replacing plate for printing press Method of replacing plate for printing press

1991-10-24

1993-05-11

Gorski, Joseph M.

Metal working

Method of mechanical manufacture

Repairing

29240, B23P 600, B23P 1904

Patent

active

052089606

ABSTRACT:
In a plate replacing apparatus for a printing press, a plate lockup opening/closing unit opens/closes leading- and trailing-side plate lockup devices upon pivotal movement of a cam shaft. A loader drive unit drives a loader on the plate replacing apparatus between an operation position where a distal end portion of the loader comes close to the plate lockup devices and a storage position where the distal end portion of the loader is separated from the plate lockup devices. A plate removal unit grips an old plate released from the plate lockup devices and inserted into the loader upon rotation of the plate cylinder, and moves the old plate into the loader. A plate supply unit inserts a new plate loaded in the loader into the leading-side plate lockup device. A plate press unit presses the new plate inserted into the leading-side plate lockup device and wound around the circumferential surface of the plate cylinder and inserts the other end of the new plate into the trailing-side plate lockup device. A predetermined plate position stop unit pivots the plate cylinder to stop at a plate gripper position. A controller operates the above apparatus and units.

REFERENCES:
patent: 4563949 (1986-01-01), Rogge
patent: 4581993 (1986-04-01), Schoneberger

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