Device for aligning sheets with a suction plate

Details Device for aligning sheets with a suction plate Device for aligning sheets with a suction plate

1995-12-20

1997-06-17

Milef, Boris

Sheet feeding or delivering

Feeding

With means to align sheet

271250, B65H 900, B65H 916

Patent

active

056390823

ABSTRACT:
Device for aligning sheets in a sheet-processing machine having a rotatingly driven suction plate disposed in a transport surface and being formed with suction openings collectively forming hole patterns shaped as circular-ring sectors, the suction openings communicating intermittently, at each revolution of the suction plate, with a suction-chamber arrangement situated below the suction plate, the suction-chamber arrangement having two suction-chamber openings disposed on respective diametrics of the suction plate and offset from one another by a defined diametric angle, each of the suction-chamber openings having a radial extent matching a radial extent of the hole pattern respectively associated therewith.

REFERENCES:
patent: 4060237 (1977-11-01), Degen et al.
patent: 4693463 (1987-09-01), Schwebel et al.

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