Print unit damage prevention assembly

Details Print unit damage prevention assembly Print unit damage prevention assembly

1995-05-18

1996-12-31

Bennett, Christopher A.

Printing

Rolling contact machines

Rotary

101228, 101177, B41F 1324

Patent

active

055883648

ABSTRACT:
An arrangement for preventing damage to print units, in which during a failure of the electrical supply of the web-fed rotary printing press, an energy reservoir yields its energy to control means which briefly charge adjusting means to bring at least one cylinder per print unit into a neutral pressure release position. In this way paper wrap-arounds during voltage failure no longer act in a manner damaging to the press.

REFERENCES:
patent: 4369705 (1983-01-01), Gelina
patent: 4523522 (1985-06-01), Fischer
patent: 4838161 (1989-06-01), Naumann et al.
patent: 5063844 (1991-11-01), Fausel
patent: 5272975 (1993-12-01), Dettinger et al.
patent: 5337664 (1994-08-01), Hannon

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