Sheet feeding or delivering – Delivering – With transfer means between conveyor and receiver
Patent
1996-09-27
1999-07-27
Terrell, William E.
Sheet feeding or delivering
Delivering
With transfer means between conveyor and receiver
271209, 271161, 271272, B65H 2970, B65H 3100, B65H 100, B65H 516
Patent
active
059277092
ABSTRACT:
In a device for transporting sheets between a pair of transport rollers of a delivery of a printing machine, each of the rollers feature, along its respective length, several roller sections having greater diameters and roller sections having smaller diameters, with roller sections of one roller having greater diameters facing roller sections of the other roller having smaller diameters in order to provide the sheets, in longitudinal direction, with a transversely extending corrugated profile for the purpose of stiffening the sheets. Due to the fact that either roller sections of roller having greater diameters or roller sections with smaller diameters are mounted so as to be freely rotatable and that, when rotating the respective other roller, the roller sections are entrained by driven opposite roller sections of the respective other roller, all roller surfaces have the same speed so that the surfaces of the sheets are not damaged when being transported onto a delivery pile.
REFERENCES:
patent: 4767114 (1988-08-01), Nishimoto
patent: 4780746 (1988-10-01), Naramore et al.
patent: 5029842 (1991-07-01), Belanger et al.
patent: 5201424 (1993-04-01), Hain
patent: 5209466 (1993-05-01), Watts et al.
"Low Cost Stacking System", (Vipond et al.), vol. 8, No. 4, Jul./Aug. 1983.
"Feed Roller Separating Mechanism for Document Insertion", IBM Technical Disclosure Bulletin, vol. 33, No. 12, May 1991.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Park Wonki
Terrell William E.
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