Ink ribbon take-up mechanism having transfer member

Details Ink ribbon take-up mechanism having transfer member Ink ribbon take-up mechanism having transfer member

1998-10-02

2000-03-21

Hilten, John S.

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

4002362, B41J 3316

Patent

active

060394773

ABSTRACT:
It is an object of the present invention to provide an ink ribbon take-up mechanism whereby a core and a pinch roller both disposed in an ink ribbon cassette are prevented from being tilted or wobbled under the tension of an ink ribbon housed within the ink ribbon cassette while a carriage is driven (during printing), thereby permitting the core and the pinch roller to be rotated in a more stable manner. The ink ribbon take-up mechanism comprises a support shaft projected from a ribbon cassette loading surface of a carriage to a ribbon cassette loading side and adapted to be inserted into an engaging portion formed on the ribbon cassette side to support the ribbon cassette, and a drive transfer member disposed rotatably on an outer periphery side of the support shaft and adapted to be engaged with the engaging portion formed on the ribbon cassette side to transmit a rotative driving force of a motor to the engaging portion.

REFERENCES:
patent: 3825103 (1974-07-01), Riley
patent: 4606662 (1986-08-01), Komplin
patent: 4611937 (1986-09-01), Sato et al.
patent: 4850725 (1989-07-01), Walker et al.
patent: 4921363 (1990-05-01), Nishihara et al.
patent: 5096315 (1992-03-01), Yamamoto et al.
patent: 5399036 (1995-03-01), Yamaguchi
patent: 5476330 (1995-12-01), Inoue et al.
patent: 5538351 (1996-07-01), Miyano
patent: 5876130 (1999-03-01), Lee

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