Print head pressure adjustment mechanism

Details Print head pressure adjustment mechanism Print head pressure adjustment mechanism

1994-09-12

1995-09-05

Tran, Huan H.

Incremental printing of symbolic information

Thermal marking apparatus or processes

Recording means engaging or holding means

346 33WL, B41J 25304

Patent

active

054482810

ABSTRACT:
A printing pressure adjustment system and a method for adjusting the pressure applied by a print head against a backup member are disclosed. The adjustment system includes an elongated member that is slidably displaceable with respect to an outer surface of the print head. The elongated member has an inclined bearing surface on which a biasing member is positioned in order to apply a force to the elongated member. The elongated member includes a load transfer surface for transferring the biasing force to the print head.

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patent: 3593661 (1971-07-01), Tripp
patent: 4385302 (1983-05-01), Moriguchi et al.
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patent: 5022318 (1991-06-01), Alich
patent: 5038155 (1991-08-01), Yamagishi et al.
C. Rothwell, "High Speed Single Pass Thermal Transfer Color Printing and Plotting", Atlankek Inc., Fourth Annual Thermal Printing Workshop, Cambridge, Massachusetts (Mar. 22-24, 1993).
Excerpts from Markem Corporation Models LP-39 and LP-39L Operating Instructions (1970).
Excerpts from Markem Corporation Model LP-375 Operating Instructions (1980).
Excerpts from Markem Corporation Model 521 Operator Instructions (1983).

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