Plate mounting apparatus for printing press

Details Plate mounting apparatus for printing press Plate mounting apparatus for printing press

1994-04-21

1995-10-31

Eickholt, Eugene H.

Printing

Flexible-sheet-securing devices

200 56R, 200275, 200308, B41F 128

Patent

active

054619807

ABSTRACT:
An apparatus for mounting a plate on a plate cylinder includes a plate lockup device, a reference pin, a detecting sensor, and a lamp. The plate lockup device is provided in a gap formed in a circumferential surface of the plate cylinder. The reference pin is supported by a gripper portion of the plate lockup device and engaged with a reference pin hole formed at an insertion end of a plate when the plate is inserted into the gripper portion of the plate lockup device. The detecting sensor is arranged at a position corresponding to at least a bottom portion of the reference pin hole to electrically detect that the bottom portion of the reference pin hole contacts the reference pin. The lamp confirms and indicates insertion of the plate on the basis of an output from the detecting sensor.

REFERENCES:
patent: 3719142 (1973-03-01), Abe
patent: 3839958 (1974-10-01), Kent et al.
patent: 4437407 (1984-03-01), Wirz et al.
patent: 4603641 (1986-08-01), Jeschke et al.
patent: 5189958 (1993-03-01), Tafel et al.
patent: 5208960 (1993-05-01), Maejima et al.
patent: 5253583 (1993-10-01), Yamamoto et al.
patent: 5293820 (1994-03-01), Maejima et al.
patent: 5320041 (1994-06-01), Maejima et al.

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