Sheet guiding device in folding apparatus of printing machine

Details Sheet guiding device in folding apparatus of printing machine Sheet guiding device in folding apparatus of printing machine

1996-11-13

1998-10-13

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271273, 271274, 271315, B65H 2970

Patent

active

058201220

ABSTRACT:
A method and apparatus for guiding a sheet in a folding device of a printing machine includes a belt conveyor system and a bucket wheel conveyor system including a bucket wheel. The belt conveyor system includes two belts rotated by a plurality of rollers. Two of the rollers are disposed at a delivery area near the bucket wheel. The two rollers include a ridge imparting mechanism for introducing a ridge or corrugation to a sheet being fed between the belts and between the rollers. The two rollers are disposed in a common horizontal plane and are spaced at a substantially equal distance from the bucket wheel in a vertical direction relative to the bucket wheel. At least one of the two rollers is adjustable relative to the other roller so as to adjustably increase or decrease a degree or depth of ridge that is applied to the sheet. A guide member is disposed between the two rollers and the bucket wheel to prevent a sheet from being diverted from the bucket wheel.

REFERENCES:
patent: 4106767 (1978-08-01), Schirrmeister et al.
patent: 4120491 (1978-10-01), Lang
patent: 4487408 (1984-12-01), Fischer
patent: 4925179 (1990-05-01), Breton et al.
patent: 4964627 (1990-10-01), Watts et al.
patent: 5029842 (1991-07-01), Belanger et al.

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