Sheet feeding device with adjustable feeding and inversely-rotat

Details Sheet feeding device with adjustable feeding and inversely-rotat Sheet feeding device with adjustable feeding and inversely-rotat

1993-12-13

1995-09-12

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271125, B65H 352

Patent

active

054491622

ABSTRACT:
A sheet feeding device includes a feeding roller, which has a plurality of large-diameter portions and which rotates in a sheet-feeding direction, an inversely-rotating roller, which has a plurality of large-diameter portions alternately disposed with respect to the large-diameter portions of the feeding roller and which rotates in a direction reverse to the sheet-feeding direction, and an automatic adjustment unit for automatically adjusting the amount of overlap between the large-diameter portions of the feeding roller and the large-diameter portions of the inveresely-rotating roller in accordance with a sheet-feeding state.

REFERENCES:
patent: 4858905 (1989-08-01), Weigel
patent: 5172900 (1992-12-01), Uno et al.

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