Sheet variable side shift interface transport system with variab

Details Sheet variable side shift interface transport system with variab Sheet variable side shift interface transport system with variab

1998-10-26

2000-12-05

Walsh, Donald P.

Sheet feeding or delivering

Feeding

With means to align sheet

271227, 271241, 271184, 271225, B65H 904

Patent

active

061555614

ABSTRACT:
In a lateral sheet shifting system, wherein sheets are fed from a sheet input to a sheet output with controlled shifting transversely of the process direction, there is a pivotal arcuate sheet path defining baffle unit providing an arcuate sheet-feeding path between the input and output. This arcuate baffle unit is mounted for pivotal angular movement laterally of the process direction by a controllable automatic variable angle pivoting system to form a variable sheet spiraling path therein. The arcuate baffle unit may be generally "S" or "U" shaped, and may be defined by, or consist solely of, opposing relatively closely spaced similarly arcuate baffles, such as at least two operatively connecting but oppositely facing generally quarter-cylindrical sections which can provide sheet side shifting without introducing any sheet skewing. The sheets in the baffle unit need not be engaged by any sheet feeding rollers therein, and the sheet input and output can be simple conventional fixed rollers on fixed axes. The sheet input and output may be co-linear but at different vertical levels. This entire sheet side shifting system can be a small, short paper path, modular unit provided internally or externally of a reproduction apparatus, such as interconnecting to a finisher with a laterally different paper path.

REFERENCES:
patent: 3548783 (1970-12-01), Knapp
patent: 4805892 (1989-02-01), Calhoun
patent: 4994864 (1991-02-01), Schieck et al.
patent: 5439208 (1995-08-01), Moser et al.
patent: 5467179 (1995-11-01), Boeck et al.
patent: 5794176 (1998-08-01), Milillo

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