Sheet feeder and printer

Details Sheet feeder and printer Sheet feeder and printer

1997-10-22

1999-12-07

Bennett, Christopher A.

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

271121, 271114, B41J 1300

Patent

active

059971983

ABSTRACT:
A sheet feeder, or a printer incorporating the sheet feeder, has separation pads for separating a sheet to be fed by sheet feed rollers from the next sheet and a roller spring which produce urging force smaller than that produced by a spring of the separation pad. Idle rollers are brought into contact with the separation pads by means of the roller spring, thereby preventing the lowering of the next sheet. A sheet reset lever is pivoted so as to return the next sheet to a hopper. As a result, the sheet sheets stacked on the hopper in an inclined state is fed one by one through use of a separation pad method without increasing force for driving rollers and a back tension.

REFERENCES:
patent: 4529188 (1985-07-01), Sturnick
patent: 4579328 (1986-04-01), Hagihara et al.
patent: 5253854 (1993-10-01), Tanoue et al.
patent: 5316285 (1994-05-01), Olson et al.
patent: 5320337 (1994-06-01), Itoh et al.
patent: 5372359 (1994-12-01), Miura et al.
patent: 5584475 (1996-12-01), Asada et al.
patent: 5725208 (1998-03-01), Miyauchi
Patent Abstracts of Japan, vol. 014, No. 575 (M-1062), Dec. 20, 1990.
Patent Abstracts of Japan, vol. 012, No. 437 (M-765, Nov. 17, 1998.

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