Sheet kickback control system for retard type sheet feeder-separ

Details Sheet kickback control system for retard type sheet feeder-separ Sheet kickback control system for retard type sheet feeder-separ

1998-03-02

2000-02-22

Ellis, Christopher P.

Sheet feeding or delivering

Feeding

Separators

271161, 271167, B65H 352, B65H 100

Patent

active

060271116

ABSTRACT:
In a sheet feeding and separating system for feeding sheets downstream from a stack of sheets in a sheet stacking tray, with an sheet retard system having a sheet kickback, a sheet kickback control system comprising a high friction surface member, such as an EPDM elastomer, mounted in the sheet stacking tray extending vertically above the sheet stack supporting surface and sloping downwardly at a small angle in the downstream direction. This raised and sloping high friction surface member is positioned upstream of the sheet feeding and separating system to underlie the upstream end of the stack of sheets in the sheet stacking tray and to frictionally engage and retard upstream kickback movement of the bottom sheet of the stack of sheets by the sheet retard system.

REFERENCES:
patent: 1971962 (1934-08-01), Jones
patent: 2468842 (1949-03-01), Sporleder
patent: 5062602 (1991-11-01), Kress et al.
patent: 5435538 (1995-07-01), Billings et al.
patent: 5596399 (1997-01-01), Dempsey et al.
IBM vol. 2 No. 3, Oct. 1959, Wheeler et al.

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