Lithographic plate fastening apparatus of printing press

Details Lithographic plate fastening apparatus of printing press Lithographic plate fastening apparatus of printing press

1989-08-29

1990-12-18

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

101378, B41F 128

Patent

active

049778331

ABSTRACT:
A lithographic plate fastening apparatus of a printing press includes a pair of plate vises for fastening a mount plate to a plate cylinder, in a groove defined along the axis of the plate cylinder and includes a plate positioning reference pin provided on a clamping plate of a bite-side plate vise and tightly fitting a reference hole defined in a lithographic plate. The apparatus can rapidly, readily and accurately fasten a thinner lithographic plate e.g. paper plate to the plate cylinder.

REFERENCES:
patent: 2622000 (1952-12-01), Thompson
patent: 4259904 (1981-04-01), Metje
patent: 4459913 (1984-07-01), Kowalik
patent: 4840121 (1989-06-01), Szcresniak

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