Safety device for printing machine

Details Safety device for printing machine Safety device for printing machine

1991-12-27

1992-09-01

Fisher, J. Reed

Printing

Multicolor

Rotary machines

101352, B41F 518, B41F 3130, B41F 3312

Patent

active

051429799

ABSTRACT:
A printing press having a horizontally stationary printing head and at least one horizontally moveable inking unit is provided with a safety system that disables the main motor drive to the printing head prior to retraction of the or each inking unit, and which inhibits movement of the inking unit in the retract direction in the presence of an operator or tools positioned behind the inking unit, while permitting movement of the inking unit in an advanced direction in the absence of an operator and tools positioned between the retracted inking unit and the printing head.

REFERENCES:
patent: 3832178 (1975-07-01), Staamann
patent: 4150269 (1979-04-01), Henkel
patent: 4222325 (1980-09-01), Edwards
patent: 4744307 (1988-05-01), Peterman et al.

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