Printer

Details Printer Printer

2007-10-16

2007-10-16

Tran, Huan (Department: 2861)

Incremental printing of symbolic information

Thermal marking apparatus or processes

Recording means engaging or holding means

C400S120170

Reexamination Certificate

active

11149315

ABSTRACT:
A roll sheet is unwound and fed with its side edge being positioned in a reference point of the thermal head, and then subjected to printing by the thermal head. Coil springs are placed at positions respectively dividing substantially equally a length from a center to each end of the thermal head. A distribution of loads on the thermal head by each coil spring is determined so that a load exerted on the thermal head on the reference point side is larger than a load exerted on the thermal head on the opposite side. A position of a resultant force of the coil springs acts on the thermal head at a position displaced by a distance obtained by multiplying an entire length of the thermal head by a coefficient, from a center of the thermal head in the longitudinal direction toward the reference point.

REFERENCES:
patent: 5612727 (1997-03-01), Morimoto et al.
patent: 5678938 (1997-10-01), Saito et al.
patent: 6398434 (2002-06-01), Corrigan, Jr.
patent: 2002/0080223 (2002-06-01), Connor
patent: 0 700 789 (1996-03-01), None
patent: A 01-170164 (1989-07-01), None

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