Accumulator cylinder assembly for a folding machine of a printin

Details Accumulator cylinder assembly for a folding machine of a printin Accumulator cylinder assembly for a folding machine of a printin

1990-12-18

1991-11-19

Look, Edward K.

Sheet-material associating

Associating and folding

Sheet associating

270 50, 270 47, 493424, B42C 100

Patent

active

050659936

ABSTRACT:
Accoumulator cylinder assembly for a folding machine of a printing press having tucking blades mounted on respective tucking-blade shafts and respectively associated with entrainer members mounted on entrainer shafts includes, for each entrainer shaft and each tucking-blade shaft, a latch fixed to the accumulator cylinder and having an operating position in which the latch blocks the shaft to prevent an roller thereof from being affected by a respective control region of a respective cam thereof and a non-operating position in which the latch does not act on the shaft; a latch-signal production device for generating at least one series of periodic signals according to an angular position of the accumulator cylinder, in order to cause it to operate in an accumulation mode; a device for enabling the latches to respond to the signals wherein each latch the operating position thereof when a signal is addressed to it, and the non-operating position thereof when no signal is addressed to it; and a device for selecting the operating mode of the cylinder wherein corresponding signals are fed to the latches.

REFERENCES:
patent: 2016486 (1935-10-01), Crafts
patent: 4190242 (1980-02-01), Bolza-Schunemann
patent: 4437855 (1984-03-01), Bullen
patent: 4892036 (1990-01-01), Lange

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