Paper feeding system and picking system used therefor

Details Paper feeding system and picking system used therefor Paper feeding system and picking system used therefor

1991-09-30

1993-03-16

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271118, 271127, B65H 306

Patent

active

051937972

ABSTRACT:
A paper feeding system that eliminates a mechanism for interrupting driving force to picking rollers to lower the cost of the system and to secure the feeding of papers. Corner nails are supported in a manner displacable up and down on the both sides of the front end portion of a paper cassette and the front corner portions of papers stored within the paper cassette can be anchored by the corner nails. A projecting part of the corner nails abuts to a stopper to restrict its upper limit position. When the paper is not fed, the picking rollers are in an up position and are separated from the paper and the corner nails retain the paper at a certain height position engaging with the front corner portion of the paper. When the paper is fed, the picking rollers go down to a down position to press the paper against biasing force of a bias spring and the corner nails are separated from the stopper and contact with the front corner portion of the paper in the down position.

REFERENCES:
patent: 3815900 (1974-06-01), Setulze
patent: 4900003 (1990-02-01), Hashimoto
patent: 4934686 (1990-06-01), Ono
patent: 5052673 (1991-10-01), Tokuda et al.

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