Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent
1986-05-09
1989-06-20
Wright, Jr., Ernest T.
Typewriting machines
Including interposed inking device for record-medium
Endless ribbon or cartridge therefor
400120, 400234, B41J 3202
Patent
active
048405027
ABSTRACT:
A cassette for an endless thermal ribbon utilized in a thermal printer with the ribbon being unwound from the inside diameter of a spool and rewound on the outside diameter of the spool. The ribbon is guided from the spool to effect an approximate 10 degree skew in its path past the thermal print head and then in contact with a ribbon drive roller prior to rewinding on the spool. A plurality of guide ribs are disposed in radial manner to guide and hold the ribbon in its winding and unwinding motion.
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IBM Technical Disclosure Bulletin, vol. 19, No. 10, Mar. 1977, Entitled: Angled Ribbon Guide, by J. F. Giallo, R. H. Milroy and A. C. Thorpe, p. 3817.
Hawk Jr. Wilbert
Muckenthaler George J.
NCR Corporation
Sessler Jr. Albert L.
Wright, Jr. Ernest T.
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