Clamping apparatus of a plate for a printing machine

Details Clamping apparatus of a plate for a printing machine Clamping apparatus of a plate for a printing machine

1997-12-19

1999-05-18

Burr, Edgar

Printing

Flexible-sheet-securing devices

B41F27/12

Patent

active

059040971

ABSTRACT:
A plurality of spring bases 50, 51 and 52 are provided to a tail edge side clamping base 76 independently. A pair of base convexes 51T are formed on both an upper surface and a lower surface of the spring base 51. A tension selecting part 70 comprising a first block 72 having a pair of block convexes 72T is provided at a position confronted with the spring base 51. The block convexes 72T and the base convexes 51T are contacted with each other by moving a lever 72L formed on an upper surface of the first block 72 when the plate 15 is fitted tightly on a cylinder surface of a plate cylinder 60 with low tension. The lever 72L is moved either in a direction of the arrow 100 or 101 when the plate 15 is fitted tightly on the cylinder surface of the plate cylinder 60 with high tension.

REFERENCES:
patent: 3017830 (1962-01-01), Penner
patent: 3110255 (1963-11-01), Jeschke et al.
patent: 3460443 (1969-08-01), Sarka et al.
patent: 3946670 (1976-03-01), Cerny et al.
patent: 3976005 (1976-08-01), Kaufmann

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