Cassette for thermal transfer printing film

Details Cassette for thermal transfer printing film Cassette for thermal transfer printing film

1991-10-11

1993-09-21

Wiecking, David A.

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

400208, 242 712, B41J 3352, B41J 3200

Patent

active

052462994

ABSTRACT:
A cassette for holding a transfer printing film has a pressing member for pressing against a feed roll of the film wound around a feed reel in the cassette. When the cassette is loaded in a thermal transfer printer, the film is taken up around a take-up reel from the feed reel while the pressing member is applying a braking torque to the film on the feed reel so that torque balance is attained. When the wound length of the film of the feed roll has decreased to approximately 60 percent of the initial length, the pressing member ceases to apply the braking torque to the feed reel, and thereafter the feeding and taking up of the film are carried out in a regular torque state.

REFERENCES:
patent: 4614949 (1986-09-01), Hakkaku et al.
patent: 4793723 (1988-12-01), Furhata
patent: 4810116 (1989-03-01), Schulze et al.
patent: 4820067 (1989-04-01), Surti
patent: 4973983 (1990-11-01), Yamamoto et al.
patent: 4978240 (1990-12-01), Katsuno
patent: 5007749 (1991-04-01), Falconieri

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