Printer having a platen with resilient segments

Details Printer having a platen with resilient segments Printer having a platen with resilient segments

1975-03-31

1977-06-14

Burr, Edgar S.

Textiles: fiber preparation

197 1R, 101269, B41J 1120

Patent

active

040291936

ABSTRACT:
A bound booklet is opened and inserted into a guide. A platen, having individual spring biased segments, is positioned against the booklet covers while printing means move horizontally across the open pages of the booklet. A first platen segment contacts the front cover of the open booklet, while a second segment contacts the back cover. An intermediate shortened segment yields to the binding edge of the booklet. Thus, the varying thickness of the booklet is compensated for and a flat printing plane is presented to the printing means. A single leaf document may be accommodated, instead of a booklet. In the case of a single leaf, the resilient nature of the platen compensates for single leaf documents of different thickness, within a permissible range.

REFERENCES:
patent: 2149478 (1939-03-01), Triner
patent: 3228326 (1966-01-01), Childress
patent: 3776341 (1973-12-01), Dobner
patent: 3780669 (1973-12-01), Geiger et al.
patent: 3837461 (1974-09-01), Waibel
patent: 3838640 (1974-10-01), Correll et al.
patent: 3838641 (1974-10-01), McInnis
patent: 3868008 (1975-02-01), Brumbaugh
patent: 3904010 (1975-09-01), Krauss et al.
patent: 3912068 (1975-10-01), Kwan et al.
"Pass Book for Disc Printer" P. Delapchier et al., IBM Technical Disclosure Bulletin, vol. 13, No. 8, p. 2350, 1/71.
Print Platen for Nonuniform Thickness Forms, F. L. Vinhich, IBM Technical Disclosure Bulletin, vol. 16, No. 2, 7/73, p. 605.

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