Apparatus for adjusting a tensioning device in plate cylinders o

Details Apparatus for adjusting a tensioning device in plate cylinders o Apparatus for adjusting a tensioning device in plate cylinders o

1976-04-07

1977-10-25

Mancene, Louis G.

Printing

Printing members

Rolling contact

331845, 1014151, 101DIG12, B41B 100, B41F 2700

Patent

active

040551202

ABSTRACT:
In a rotary printing machine, the cylinder for holding the printing plate has a printing plate tensioning device formed in it, which includes an adjustably positionable tensioning rail. To adjust this rail, a set of marks is formed on the cylinder. A support base carries an optical device to view the marks. On the base there are tensioning rail engaging adjustably positionable abutments and the alignment of the marks in the field of view of the optical device enables proper positioning of the abutments and of the tensioning rail.

REFERENCES:
patent: 1377511 (1921-05-01), Novotny
patent: 2321228 (1943-06-01), McMullen
patent: 2559533 (1951-07-01), Daniels
patent: 2633076 (1953-03-01), Rineer
patent: 2688803 (1954-09-01), Huck
patent: 2994964 (1961-08-01), Moffet
patent: 3154012 (1964-10-01), Fischer
patent: 3613252 (1971-10-01), Moos
patent: 3664030 (1969-06-01), Pope, Jr.
patent: 3851583 (1974-12-01), Norton
patent: 3943851 (1976-03-01), Inada et al.

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