Typewriting machines – Sheet or web – Including friction-feed means
Patent
1988-10-11
1990-06-26
Wiecking, David A.
Typewriting machines
Sheet or web
Including friction-feed means
400637, B41J 13036
Patent
active
049366963
ABSTRACT:
Each of one or more groups of pressure rollers (24, 25), consisting of a plurality of pairs of rollers (26), is arranged on its own mounting frame (27) that is releasably carried on the connecting piece (4) of the printer frame (1). The mounting frames (27) are concurrently displaceable by means of a selectively adjustable displacement member (28) disposed parallel to the elongation of the platen roller (6) between a rest position and an operating position for accommodating both tractor-fed edge-perforated continuous forms and individual sheets of recording support material, respectively.
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C.N. Ramirez et al., "Platen Backup Rollers", IBM Technical Disclosure Bulletin, vol. 25, No. 1, pp. 202-203, Jun. 1982.
Mannesmann Aktiengesellschaft
Wiecking David A.
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