Incremental printing of symbolic information – Thermal marking apparatus or processes – Platen or engaging means therefor
Patent
1994-10-28
1996-05-28
Tran, Huan H.
Incremental printing of symbolic information
Thermal marking apparatus or processes
Platen or engaging means therefor
347218, 400652, 400648, 400649, B41J 1114
Patent
active
055216277
ABSTRACT:
An improved thermal printing apparatus having a frame for supporting an elongate thermal print head extending opposite to an elongate print roller. The thermal print head being responsive to a microcontroller for printing on an article positioned between the thermal print head and the print roller. The improvement comprises: a drive housing pivotally mounted to the frame, the print roller rotatively mounted to the drive housing, an eject roller rotatively mounted to the drive housing parallel to the print roller, backing means located opposite the eject roller, means responsive to said microcontroller for causing said drive housing to pivotally displace to a first position biasing the print roller in the direction of the thermal print head and against the article for printing, and for causing the drive housing to pivotally displace to a second position biasing the eject roller in the direction of the backing means and against the article when the microcontroller has completed printing. The thermal printing apparatus further comprising compensation means for causing the print roller to displace perpendicular to the thermal print head in response to the thickness of said article while maintaining the biasing force on the article.
REFERENCES:
patent: 5085533 (1992-02-01), Kitahara et al.
patent: 5339280 (1994-08-01), Goldberg et al.
Keung Wing-Kwong
Kulpa Walter J.
Chaclas Angelo N.
Parks, Jr. Charles G.
Pitney Bowes Inc.
Scolnick Melvin J.
Tran Huan H.
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