Printer

Details Printer Printer

1978-04-03

1980-11-18

Pieprz, William

Typewriting machines

Sheet or web

For feeding web record-medium

400597, 4006083, 400551, 400578, 400596, 4006162, B41J 1170, B41J 1142

Patent

active

042342619

ABSTRACT:
The printer is provided for alternative use with long webs or individual, precut forms; it includes two friction roll drives adjacent to the print head and platen, and a sprocket drive upstream, being permanently engaged with a perforated web. The drives operate in synchronism but do not participate in all operations. Printing on the web is carried out after advancing the web by one form length and retracting it during stop and go printing. Switches control access to a bypass, the insert for a single form, and a receiver tray, into which any printed form drops.

REFERENCES:
patent: 2963138 (1960-12-01), Motte et al.
patent: 3075626 (1963-01-01), Schultz
patent: 4000803 (1977-01-01), Warp et al.
patent: 4011811 (1977-03-01), Kodis
patent: 4043440 (1977-08-01), Busch
Klein et al., "Electromechanical Variable Index System", IBM Tech. Discl. Bulletin, vol. 17, No. 4, pp. 959-960, 9/74.

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