Ribbon shield for impact printer and method for controlling ink

Details Ribbon shield for impact printer and method for controlling ink Ribbon shield for impact printer and method for controlling ink

1985-05-30

1987-08-04

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400191, 400124, B41J 3332

Patent

active

046842730

ABSTRACT:
A ribbon shield for a dot matrix printer which is comprised of a step contoured recessed cavity such that the ribbon sequentially wipes against an upper edge, a lower edge, towards the paper, the other lower edge and the other upper edge and the ink removed accumulates in the cavity whereby it is restrained from flowing onto the paper.

REFERENCES:
patent: 383480 (1888-05-01), Osborne
patent: 398837 (1889-03-01), Loker, Jr.
patent: 471092 (1892-03-01), Bigelow
patent: 4383775 (1983-05-01), Trammell et al.
IBM Tech. Disc. Bulletin, "Ribbon Shield", vol. 27, No. 10B, Mar. 1985, pp. 6346-6347.

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