Roller pressure unloading means for a thermal printing mechanism

Details Roller pressure unloading means for a thermal printing mechanism Roller pressure unloading means for a thermal printing mechanism

1986-08-26

1988-02-16

Goldberg, E. A.

Recorders

Record receivers and/or driving means therefor

Web

400555, 400649, G01D 1524, B41J 1996

Patent

active

047258586

ABSTRACT:
A thermal printer having a mechanism for alleviating the pressure between the print head and the resilient roller when the printer is not operational is provided. The printer includes a cam member for camming the print head and resilient roller apart during non-printing in order to prevent a permanent or semi-permanent flat from being formed on the roller because of pressure exerted thereon by the print head.

REFERENCES:
patent: 1886845 (1932-11-01), Stickney
patent: 4026404 (1977-05-01), Burkhardt
patent: 4098389 (1978-07-01), Kwan
patent: 4358776 (1982-11-01), Mitsui
patent: 4444521 (1984-04-01), Rickhard et al.
patent: 4538932 (1985-09-01), Takenoya et al.

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