Paper feed apparatus for printer

Details Paper feed apparatus for printer Paper feed apparatus for printer

1987-09-10

1989-03-21

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding plural record media concurrently or selectively

400618, 400607, 4006362, B41J 1151

Patent

active

048138002

ABSTRACT:
A paper feed apparatus includes a plurality of guide ribs formed on a printer top cover disposed above a platen, the guide ribs being aligned along the axial direction of the platen, and a discharge roller is arranged between each pair of the guide ribs. Each discharge roller has its outer peripheral surface slightly extending toward corresponding guide ribs with respect to guide surfaces of these ribs and cooperating with the ribs to hold the printing paper. When the discharge rollers are driven in synchronism with rotation of the platen, the printing sheets are fed at a speed slightly higher than the paper feed speed of the platen. Therefore, the plurality of printing sheets can be simultaneously fed without causing a deviation therebetween.

REFERENCES:
patent: 1213189 (1917-01-01), Hart
patent: 2517147 (1950-08-01), Vee
patent: 2664988 (1954-01-01), Metzner
patent: 3972460 (1976-08-01), Kesinger et al.
patent: 4340315 (1982-07-01), Teichmann et al.
patent: 4493573 (1985-01-01), Hashimoto et al.
patent: 4666322 (1987-05-01), Mitani

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