Plate attachment system for a printing machine form cylinder

Details Plate attachment system for a printing machine form cylinder Plate attachment system for a printing machine form cylinder

1991-02-26

1991-12-24

Burr, Edgar S.

Printing

Flexible-sheet-securing devices

51364, 51367, 51368, 51370, 101379, B41F 128, B41F 2100

Patent

active

050742108

ABSTRACT:
To provide for circumferential support of a stretching spindle (8) having axially extending holding or stretching grooves (9, 10) to retain an end portion (14, 17) of a printing plate and clamp the other end portion (16) against the wall of an axially extending clamping groove, a resilient support element (11) is secured to the spindle, to bear against an inner wall of the clamping groove. Preferably, the support element is a resilient or springy element, secured to the spindle by a screw (12). The arrangement permits selective rotation of the form cylinder (1) in either direction, upon suitable placement of the printing plate thereover, with no change of parts or disassembly or reassembly being necessary, by merely rotating the spindle (8) in appropriate direction with respect to the direction of rotation of the form cylinder.

REFERENCES:
patent: 4495865 (1985-01-01), Kamoda

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