Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Patent
1997-12-03
1999-02-23
Bennett, Christopher A.
Typewriting machines
Including interposed inking device for record-medium
Ribbon-feeding mechanism
400208, 2423432, B41J 3314
Patent
active
058736620
ABSTRACT:
A printer system for transferring print from a ribbon onto a substrate. The system including an unwind reel rotatable to supply tensioned ribbon from a ribbon supply roll disposed thereon, and a pivotal dancer arm biased in a first direction. The ribbon is supplied from the unwind reel to a dancer guide roller of the dancer arm, which is pivotal against the bias of a spring member by drawing tension on the ribbon. A pivotal brake member having a brake portion is biased into engagement with the unwind reel to brake rotation thereof, thereby stemming the supply of ribbon, and a brake engagement member on the dancer arm is engageable with the brake member to pivot the brake member away from the unwind reel to supply ribbon therefrom.
REFERENCES:
patent: 4310131 (1982-01-01), Althuber et al.
patent: 4350454 (1982-09-01), Schoenlein
patent: 4369935 (1983-01-01), Yamanaka
patent: 4710044 (1987-12-01), Ackermann
patent: 5433539 (1995-07-01), German
IBM Technical Disclosure Bulletin. vol. 31, No. 5, Oct. 1988.
IBM Technical Disclosure Bulleting. vol. 24, No. 11B, Apr. 1982.
Bennett Christopher A.
Illinois Tool Works Inc.
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