Printer comprising a noise-sealing paper-transport roller

Details Printer comprising a noise-sealing paper-transport roller Printer comprising a noise-sealing paper-transport roller

1983-04-04

1984-08-14

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Means for muffling typewriter noise

181201, B41J 2908

Patent

active

044653905

ABSTRACT:
A printer in which paper transport takes place from a sealed entrance opening in a housing to the printing area, and then to a sealed exit opening of the housing. The entrance and exit opening is sealed against escape of noise by a rotatable cylindrical friction roller located between the incoming and outgoing portions of the paper strip, during printing the roller being pulled by tensile stress in a paper against wall portions on the outer side of the housing.

REFERENCES:
patent: 3122228 (1964-02-01), Dollenmayer et al.
patent: 3513938 (1970-05-01), Buehner et al.
patent: 4197024 (1980-04-01), Hantoon
Rupe et al., Acoustic Filters for Impact Printers, IBM Tech. Disclosure Bulletin, vol. 23, No. 8, Jan. 1981, pp. 3524-3525.

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