Protective device on rotary printing presses

Details Protective device on rotary printing presses Protective device on rotary printing presses

1986-06-02

1989-08-08

Wiecking, David A.

Printing

Rolling contact machines

Rotary

100 53, 101349, 292338, 403330, B41F 500

Patent

active

048542334

ABSTRACT:
A protective device for a printing press having a hinged protective cover with an automatic mechanical interlocking mechanism, which includes a fixed pawl on the press frame and a cooperating interlocking element which, by shifting its center of gravity, automatically engages in and disengages from a recess in the pawl as the cover is successively raised and lowered with respect to a latched open position.

REFERENCES:
patent: 1221528 (1917-04-01), Golding
patent: 2327672 (1943-08-01), Schweller
patent: 2527278 (1956-10-01), Schemansky
patent: 3959859 (1976-06-01), Stern, Jr. et al.
patent: 4173092 (1979-11-01), Nakai

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