Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Patent
1996-10-28
2000-02-01
Hilten, John
Typewriting machines
Including interposed inking device for record-medium
Ribbon-feeding mechanism
400234, B41J 3352
Patent
active
060195290
ABSTRACT:
An ink film cassette 33 incorporates therein a supply reel 30 having an ink film wound thereon and a rewind reel 31 for taking up the ink film 32 and is attached detachably to a thermal transfer printer 10. In the cassette 33, a first torque limiter 85 for transmitting braking force to a supporting shaft 78a of the supply reel 30 inside the cassette 33 is fixed detachably to the supporting shaft 78a. Bearings 81a and 81b on the take-upside transmit braking force to supporting shafts 80a and 80b of the rewind reel 31 inside the ink film cassette. Further in the cassette 33, a second torque limiter 97 for limiting the driving torque of the rewind reel 31 in the ink film cassette is fixed detachably to the supporting shaft 81a. A kick spring 106 for causing the ink film paid off the supply reel 30 to be rewound on the supply reel 30 is also fixed detachably to the supply reel 30 in the cassette 33. A torque limiter 200A includes a grease receiver 211 having an opening 211a which confronts a boundary 208 between an inner shaft 203 and a housing 202. A stopper 241 for retaining the leading end of the inner shaft 203 in the axial direction is provided in the housing 202 of a torque limiter 200G.
REFERENCES:
patent: 2137366 (1938-08-01), Hill et al.
patent: 4660053 (1987-04-01), Tsutsumi et al.
patent: 4978240 (1990-12-01), Katsuno
patent: 5531527 (1996-07-01), Maekawa et al.
patent: 5547183 (1996-08-01), Tamura
patent: 5622440 (1997-04-01), Yamamoto et al.
Shimoyama Atsuhiko
Yamamoto Jun-ichi
Hilten John
Minolta Co. , Ltd.
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