Drive system for rollers

Details Drive system for rollers Drive system for rollers

1993-12-09

1999-03-30

Bollinger, David H.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271902, B65H 2900

Patent

active

058878688

ABSTRACT:
An apparatus for moving a sheet bi-directionally. The apparatus includes a first roller and a second roller. A drive system is associated with the rollers to drive the first roller in a first direction. The drive system is adapted to rotate the second roller simultaneously with the first roller in the same direction as the first roller or in the opposite direction thereto. In addition, the drive system is capable of idling the second roller so as to adjust the timing of the sheet as it moves to subsequent processing stations within a printing machine.

REFERENCES:
patent: 4105199 (1978-08-01), Sato et al.
patent: 4359217 (1982-11-01), Roller et al.
patent: 4365794 (1982-12-01), Roller
patent: 4487506 (1984-12-01), Repp et al.
patent: 4579446 (1986-04-01), Fujino et al.
patent: 5131649 (1992-07-01), Martin et al.
Xerox Disclosure Journal, vol. 8, No. 2, Mar./Apr. 1983, disclosure entitled "Constant Force Spring Inverter" by George J. Roller.

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