Printing plate attachment arrangement

Details Printing plate attachment arrangement Printing plate attachment arrangement

1981-05-05

1983-03-15

Crowder, Clifford D.

Printing

Flexible-sheet-securing devices

B41F 2712

Patent

active

043764142

ABSTRACT:
To permit clamping of a flexible printing plate (2) around a circumference of a printing cylinder (1) in either direction, a clamping groove (3) is formed with two inclined side walls (4, 5) which converge towards the open side of the groove, and are positioned in mirror-image relation with respect to a central plane (10) passing through the midpoint of the groove. A leaf spring element (11, 12; 11', 11"; 12') having two clamping portions (13, 14), shaped and positioned to fit against opposite walls (4, 5) of the groove, clamps the end portions (8, 9) of the plate against one of the side walls, the clamping portions being pressed into position by a clamping wedge body (16) having matching outwardly shaped surfaces and fitting against the clamping portions of the spring, the clamping wedge body being pressed outwardly to wedge the clamping wedge body (16) by a compression spring (15) bearing against the bottom (6) of the groove.

REFERENCES:
patent: 2229059 (1941-01-01), Ditty et al.
patent: 3408933 (1968-11-01), Hermach et al.
patent: 3425348 (1969-02-01), Hermach et al.
patent: 3608487 (1971-09-01), Luehrs
patent: 4061087 (1977-12-01), Hill
patent: 4277164 (1981-07-01), Fortmann

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