Printing apparatus with disengageable paper supply and two-stage

Details Printing apparatus with disengageable paper supply and two-stage Printing apparatus with disengageable paper supply and two-stage

1991-05-08

1992-09-22

Wiecking, David A.

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

271127, 271180, B41J 1310

Patent

active

051492180

ABSTRACT:
A printing apparatus for printing a paper sheet on a platen by a thermal head with a three color image includes a feeding device and a paper ejecting device. The paper feeding device includes feeding rollers, a feeding tray, a feeding lever and a two-stage discharge bay. With the paper feeding device, a receiving plate for receiving a stack of paper sheets is lifted upwardly toward the feeding rollers so as to keep the leading paper sheet in contact with the feeding rollers; at the same time, a discharged sheet is moved from the first to second discharge stage. The feeding lever is adapted for moving the receiving plate slightly downwardly so as to separate the printing paper sheet from the feeding rollers before the rear edge of the sheet passes under the feeding rollers. Shock is thereby avoided when the leading edge of the sheet passes under the roller. After printing, the printed paper sheet is ejected forwardly in the printing apparatus by the ejecting device so as to facilitating removal of the printed paper sheet therefrom.

REFERENCES:
patent: 4376585 (1983-03-01), Fromme et al.
patent: 4416559 (1983-11-01), Steinhilber
patent: 4461465 (1984-07-01), Hartman, Jr. et al.
patent: 4717139 (1988-01-01), Sootome et al.
patent: 4752786 (1988-06-01), Inoue et al.
patent: 4810120 (1989-03-01), Narita

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