Safety device for counter rollers in a printing machine

Details Safety device for counter rollers in a printing machine Safety device for counter rollers in a printing machine

1982-09-27

1984-06-19

Pieprz, William

Printing

Rolling contact machines

101216, 100 53, 68264, B41F 3314

Patent

active

044548125

ABSTRACT:
A printing press is provided with a safety device mounted in the vicinity of a gap formed between two counter printing rollers for preventing the gap from intrusion by foreign elements, such as a mop or the hand of an operator. The device includes a four-link transmission unit operatively interconnected between pivotable guard plates and a cam switch adapted to actuate an end switch of the printing press to shut the latter off. The guard plates are swung away from the rollers so that the gap is enlarged.

REFERENCES:
patent: 2734370 (1956-02-01), Cleiff
patent: 3498217 (1970-03-01), Kletti
patent: 3577918 (1971-11-01), Wayfield
patent: 3698527 (1972-10-01), Wiggers
patent: 3808970 (1974-05-01), Delligatti
patent: 4056829 (1977-11-01), Ikeda
patent: 4278827 (1981-07-01), Johne et al.
patent: 4295421 (1981-10-01), Abendroth et al.
patent: 4307798 (1981-12-01), Watanabe

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