Suction sheet separator apparatus with plural stack capability a

Details Suction sheet separator apparatus with plural stack capability a Suction sheet separator apparatus with plural stack capability a

1984-02-29

1986-06-03

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Multiple supplies

271100, 271106, 271108, B65H 344, B65H 308

Patent

active

045925429

ABSTRACT:
Sheet feeding apparatus with an adjustable stack support in confronting relation to a feed opening able to accommodate sheets of various widths, so that one or more stacks of sheets can be supported along the feed opening with the longitudinal center line of any stack being positionable along different selected points along the length of the feed opening. At least about eight selectively controlled suction cups are aligned parallel to the length of the feed opening and encompass most of the opening engaging the bottom surface of the bottom sheet in any stack of sheets and withdraw the sheet from the stack. The spacing between contiguous margins of the suction cups is much less than about two diameters of each cup. The suction cups are preferably supported on the top of a pneumatic tube and are raised with the tube to engage the bottommost sheet in the stack. The pneumatic tube is mounted for pivotal movement upon a rockable carrier framework. A suction control can selectively connect or disconnect suction from any selected suction cup so that suction to the unused cups can be disconected.

REFERENCES:
patent: 3893664 (1975-07-01), Thomsen
patent: 3934868 (1976-01-01), Selak
patent: 4146217 (1979-03-01), Barker

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