Printing machine

Details Printing machine Printing machine

1989-01-24

1990-04-03

Burr, Edgar S.

Typewriting machines

Sheet or web

Including friction-feed means

400551708, B41J 1300

Patent

active

049135759

ABSTRACT:
A printer with a printing paper feeding apparatus is disclosed.
The printer comprises a pressing device for pressing a printing sheet on the platen roller which is operable to an open position to allow the sheet to pass freely, a detection device for detecting a position of the sheet being fed along said platen roller by said sheet feeding device and an operation device for moving the pressing device from a said first position to a second position or vice versa according to the position of the sheet detected by the detection device.

REFERENCES:
patent: 4181444 (1980-01-01), Heider
patent: 4405248 (1983-09-01), Wunderlich et al.
patent: 4437780 (1984-03-01), Weber et al.
patent: 4439051 (1984-03-01), Lanter
patent: 4498795 (1985-02-01), Tatara
patent: 4518271 (1985-05-01), Hirata
patent: 4561792 (1985-12-01), Behrens et al.
patent: 4581618 (1986-04-01), Watanabe et al.
patent: 4602883 (1986-07-01), Ozawa et al.
patent: 4603987 (1986-08-01), Kuranishi et al.
patent: 4641830 (1987-02-01), Okuda et al.
patent: 4644372 (1987-02-01), Hirota
patent: 4693621 (1987-09-01), Kawaguchi

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