Printing press plate lockup

Details Printing press plate lockup Printing press plate lockup

1988-06-22

1990-01-02

Fisher, J. Reed

Printing

Flexible-sheet-securing devices

B41F 2706, B41F 2712

Patent

active

048905550

ABSTRACT:
A plate lockup for locking a plate on a rotary cylinder of a printing press in which a pair of deflectable springs carried by the rotary cylinder are deflectable by an actuator interposed between them. The actuator deflects one spring to facilitate lockup of a trailing end of a printing plate and then deflects the other spring to clamp a lead end of a printing plate against a lead end register carried by the printing press.

REFERENCES:
patent: 427320 (1890-05-01), Hawkins
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patent: 3095811 (1963-07-01), Peabody
patent: 3359899 (1967-12-01), Luehrs
patent: 3408933 (1968-11-01), Hermach et al.
patent: 3608487 (1971-09-01), Luehrs
patent: 3626848 (1971-12-01), Tafel
patent: 3727551 (1973-04-01), Kostas et al.
patent: 3738268 (1973-06-01), Swordy et al.
patent: 3757691 (1973-09-01), Etchell et al.
patent: 3913480 (1975-10-01), Dauner et al.
patent: 4347788 (1982-09-01), Dufour et al.

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