Ribbon cartridge

Details Ribbon cartridge Ribbon cartridge

1983-10-28

1988-10-25

Wiecking, David

Typewriting machines

Including interposed inking device for record-medium

Ribbon spool or mount therefor

400208, 400234, B65H 7500

Patent

active

047800119

ABSTRACT:
A ribbon cartridge having a torsion spring having an improved noval contacting end for pressing the takeup spool against the drive roller, wherein the improved end holds the takeup reel against the roller in a substantially vertical position without any tilting of the takeup reel.

REFERENCES:
patent: 4252450 (1981-02-01), Goodman et al.
patent: 4317636 (1982-03-01), Hume
patent: 4367052 (1983-01-01), Steger
patent: 4397575 (1983-08-01), Aldrich
Craft, "Compressible Ribbon Roller for Constant Tension", IBM Tech. Disc. Bulletin, vol. 23, No. 10, pp. 4553-4554, 3/81.
French et al., "Anti-Coring Fix for Sandpiper Ribbon, IBM Tech. Disc. Bulletin, vol. 24, No. 8, p. 4098, 1/82.

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