Sheet transfer apparatus for rotary printing presses

Details Sheet transfer apparatus for rotary printing presses Sheet transfer apparatus for rotary printing presses

1987-10-08

1989-05-16

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271231, B65H 2968

Patent

active

048303550

ABSTRACT:
A sheet transfer system on a rotary printing press has an apparatus provided beneath the delivered sheets to slow down the sheets at their trailing end by means of conveyor belts which are guided by drive and deflector rollers, and between which, beneath the conveyor belt, there is a suction chamber, whereby even with a tight sheet sequence and high machine speed, a collison of the sheets during the deceleration process is prevented so that the sheets are slowed down and lowered onto the sheet delivery stack.

REFERENCES:
patent: 3190644 (1965-06-01), Schwehel
patent: 3843116 (1974-10-01), Jiruse
patent: 3938800 (1976-02-01), Wirz
patent: 4030727 (1977-06-01), Jeschke
patent: 4083556 (1978-04-01), Schilling et al.
patent: 4421028 (1983-12-01), Pollich
patent: 4479645 (1984-10-01), Pollich
patent: 4561645 (1985-12-01), Pollich
patent: 4693462 (1987-09-01), Pollich

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