Thermal transcription printer

Details Thermal transcription printer Thermal transcription printer

1988-08-01

1990-03-20

Goldberg, E. A.

Recorders

Thermal recording

346134, 355309, G01D 1510, G01D 1524, G03G 1500

Patent

active

049105302

ABSTRACT:
A thermal transcription printer has a thermal head (8), a platen (9), a pair of pinch rollers (10), (11) disposed on both sides of the platen and a gearing apparatus consisting of gears (31), (32) and (33) and oneway clutches (29) and (30) and the gearing apparatus over-drives or reduces the rotation speed of the pinch rollers (10) and (11) and coupling of the oneway clutches and the gears is selected for making peripheral velocity of a pinch roller at a forward position against the paper conveyance faster than that at a backward position.

REFERENCES:
patent: 4547783 (1985-10-01), Watanabe
patent: 4552470 (1985-11-01), Yana
patent: 4642659 (1987-02-01), Nagashima
patent: 4698650 (1987-10-01), Watanabe

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