JPS62208958A - Thermal printer - Google Patents

Thermal printer

Info

Publication number
JPS62208958A
JPS62208958A JP5329086A JP5329086A JPS62208958A JP S62208958 A JPS62208958 A JP S62208958A JP 5329086 A JP5329086 A JP 5329086A JP 5329086 A JP5329086 A JP 5329086A JP S62208958 A JPS62208958 A JP S62208958A
Authority
JP
Japan
Prior art keywords
heating
projecting strip
thermal head
projecting
strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5329086A
Other languages
Japanese (ja)
Inventor
Tadashi Nakamura
Koichi Umeki
Original Assignee
Alps Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Priority to JP5329086A priority Critical patent/JPS62208958A/en
Publication of JPS62208958A publication Critical patent/JPS62208958A/en
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00Actions or mechanisms not otherwise provided for
    • B41J25/304Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/312Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print pressure adjustment mechanisms, e.g. pressure-on-the paper mechanisms

Abstract

PURPOSE:To enable a pressing force of a thermal head to be lowered with obtaining a constant good contact at a heating portion and to prevent a damage on an ink ribbon, by a method wherein; a thermal head provided with a heating portion at an end of a substrate and a projecting strip portion at the other end thereof is allowed to abut on a platen at the heating portion and the projecting strip portion in printing and to travel so as to be led by the other end having the convex projecting portion thereon. CONSTITUTION:A heating portion 3 is formed at an end of a thermal head 1 and a convex strip portion 7 is formed at the other end thereof. The projecting strip portion 7 is made of a glaze layer or a dummy heating element and set slightly higher than the heating portion. Since the head presses a platen 6 only at the area of the heating portion 3 and the projecting strip portion 7, the contact pressure of nearly 200-500g is adequate for a printing and also can be set higher at the heating portion 3. The thermal head 1 is so installed as to have a slight slant by forming the projecting strip portion 7 higher than the heating portion 3, which enables the pressing force to be increased still more at the heating portion 3. The projecting strip portion 7 is so constructed s to have an approximately semicircular cross section to prevent a damage on an ink ribbon 4.
JP5329086A 1986-03-10 1986-03-10 Thermal printer Granted JPS62208958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5329086A JPS62208958A (en) 1986-03-10 1986-03-10 Thermal printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5329086A JPS62208958A (en) 1986-03-10 1986-03-10 Thermal printer

Publications (1)

Publication Number Publication Date
JPS62208958A true JPS62208958A (en) 1987-09-14

Family

ID=12938586

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5329086A Granted JPS62208958A (en) 1986-03-10 1986-03-10 Thermal printer

Country Status (1)

Country Link
JP (1) JPS62208958A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973987A (en) * 1988-06-22 1990-11-27 Konica Corporation Thermal recording head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973987A (en) * 1988-06-22 1990-11-27 Konica Corporation Thermal recording head

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