Apparatus for method for high speed sheet feeding

Details Apparatus for method for high speed sheet feeding Apparatus for method for high speed sheet feeding

1990-10-15

1992-08-04

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271 98, 271167, B65H 334

Patent

active

051352133

ABSTRACT:
An apparatus for individually feeding sheets from a stack of sheets, comprises a tray for supporting a stack of sheets to be fed therefrom. A sheet feeder is provided for individually capturing a top sheet from the stack and for conveying the top sheet out of the tray. A solenoid-activated sheet hold down device is provided which includes a portion being cyclically movable toward and away from the stack for exerting a force on a next top sheet beneath the top sheet to prevent the next top sheet from being forwarded out of the tray while the top sheet is being forwarded.

REFERENCES:
patent: 1258026 (1918-03-01), Lindbladh
patent: 1675525 (1928-07-01), Aldrich
patent: 3218062 (1965-11-01), Wickland
patent: 3625508 (1971-12-01), Shiragai
patent: 3738645 (1973-06-01), Gray et al.
patent: 3882744 (1975-05-01), McCarroll
patent: 3938800 (1976-02-01), Wirz
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patent: 4089518 (1978-05-01), Vollrath
patent: 4324395 (1982-04-01), Silverberg
patent: 4526358 (1985-07-01), Ura et al.
patent: 4635921 (1987-01-01), Thomas
patent: 4887805 (1989-12-01), Herbert et al.

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