Printing machine

Details Printing machine Printing machine

1991-10-17

1992-07-28

Burr, Edgar S.

Typewriting machines

Sheet or web

Including friction-feed means

400 23, 400634, B41J 1308

Patent

active

051336162

ABSTRACT:
A printing machine comprises a frame for supporting a pair of roller shafts spaced apart at a predetermined distance from each other and, a flat platen disposed between the roller shafts. An endless sheet-feeding belt made of an elastic material is stretched between the roller shafts. The sheet-feeding belt has an inner surface sliding on the flat platen by rotation of the roller shafts and an outer surface having such a high frictional coefficient that allows a sheet on the outer surface to be fed together with the sheet-feeding belt. A pair of pinch rollers hold the sheet in cooperation with the outer surface of the sheet-feeding belt at the roller shafts, for feeding the sheet. A printing head is opposed to the outer surface of the sheet-feeding belt at the flat platen.

REFERENCES:
patent: 3366042 (1968-01-01), Birch
patent: 4650350 (1987-03-01), Dorner
patent: 4743129 (1988-05-01), Keryhuel
patent: 4818126 (1989-04-01), Brooks et al.
patent: 4821049 (1989-04-01), Eckl
patent: 4867058 (1989-09-01), Luckhurst
patent: 4898489 (1990-02-01), Matsumoto et al.

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