Bar code printer

Details Bar code printer Bar code printer

1987-12-09

1989-12-05

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Thermal

346 76PH, 219216, B41J 320

Patent

active

048849049

ABSTRACT:
A thermal printhead fixed to a pivotal supporting frame is held in operative printing contact with a web of printing medium backed by a platen roller under the bias of a spring device engageable with the pivotal supporting frame for the printhead. The spring device is operatively located relative to the platen roller so that the spring bias exerted establishes proper frictional feeding engagement between the web and the roller which is power driven. The spring device, the pivotal supporting frame for the printhead and the platen roller are mounted by a common housing section.

REFERENCES:
patent: 4235555 (1980-11-01), Aprato
patent: 4401391 (1983-08-01), Kawai et al.
patent: 4507666 (1985-03-01), Kondo et al.
patent: 4531851 (1985-07-01), Kondo et al.
patent: 4560292 (1985-12-01), Takahashi

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