Paper hopper

Details Paper hopper Paper hopper

1993-08-30

1994-04-26

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271126, 271160, 271219, B65H 112

Patent

active

053059964

ABSTRACT:
An inexpensive large-capacity paper hopper capable of energizing a paper feed table with a constant lift force irrespective of the quantity of paper sheets remaining thereon, thereby performing stable paper feeding. To achieve such a paper hopper, a paper hopper, wherein a paper feed table is lifted or lowered being kept in a horizontal condition and paper sheets stacked on the paper feed table are sequentially sent out from the top sheet for feeding, is arranged such that the paper feed table is so suspended by a wire suspending device as to be lifted or lowered in a horizontal condition, and an elastic tensile force of extension coil springs included in a lift force exerting device is so exerted to the paper feed table that the direction in which the restoring displacement of the extension coil springs takes place becomes coincident with the direction of lifting the paper feed table.

REFERENCES:
patent: 3831931 (1974-08-01), Tsukamoto
patent: 4060233 (1977-11-01), Stange
patent: 4524965 (1985-06-01), Kulpa

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