Ribbon shield for impact line printers

Details Ribbon shield for impact line printers Ribbon shield for impact line printers

1993-11-22

1996-06-18

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400248, B41J 3526

Patent

active

055271200

ABSTRACT:
A ribbon shield for an impact printer having a row of print hammers and an endless moving type band comprises an elastic separator sheet in which an edge thereof is formed with an offset projecting from the plane of the sheet. The offset projects an amount which is greater than the thickness of the sheet. The sheet, which is made preferably from a polyester material, can be very thin so that it will not cause underscoring and its compliance to force from the print hammer will not extract the energy therefrom.

REFERENCES:
patent: 4165188 (1979-08-01), Rempel
patent: 4437401 (1984-03-01), Heinrich et al.
"Ribbon Shield" IBM Technical Disclosure Bulletin vol. 28, No. 10, Mar. 1986.
Bonafino et al. "Ribbon Retainer" IBM Technical Disclosure Bulletin, vol. 19, No. 2, Jul., 1976.

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