JP2017196882A5 - - Google Patents

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Publication number
JP2017196882A5
JP2017196882A5 JP2016098872A JP2016098872A JP2017196882A5 JP 2017196882 A5 JP2017196882 A5 JP 2017196882A5 JP 2016098872 A JP2016098872 A JP 2016098872A JP 2016098872 A JP2016098872 A JP 2016098872A JP 2017196882 A5 JP2017196882 A5 JP 2017196882A5
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JP
Japan
Prior art keywords
axial direction
gear
thermal printer
support portion
shaft support
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
JP2016098872A
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Japanese (ja)
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JP2017196882A (en
JP6843523B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to US15/493,524 priority Critical patent/US10059126B2/en
Priority to CN201710269830.8A priority patent/CN107303761B/en
Priority to CN201720436881.0U priority patent/CN206856292U/en
Priority to EP17168063.0A priority patent/EP3238944B1/en
Publication of JP2017196882A publication Critical patent/JP2017196882A/en
Publication of JP2017196882A5 publication Critical patent/JP2017196882A5/ja
Application granted granted Critical
Publication of JP6843523B2 publication Critical patent/JP6843523B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (7)

サーマルヘッドとの間に記録紙を挟み込んで紙送りするプラテンローラと、
前記プラテンローラを軸線周りに回転可能に支持する軸支持部を有するフレームと、
前記フレームのうち前記軸支持部に対して前記軸線方向の内側に配置された駆動源と、
前記フレームのうち前記軸支持部に対して前記軸線方向の内側に配置され、前記駆動源の動力を減速させる遊星歯車機構と、
前記フレームのうち前記軸支持部に対して前記軸線方向の外側に配置され、前記遊星歯車機構の動力を前記プラテンローラに伝達する動力伝達機構と、を備えていることを特徴とするサーマルプリンタ。 A platen roller that feeds a recording sheet by sandwiching it with a thermal head;
A frame having a shaft support portion rotatably supporting the platen roller about an axis;
A drive source disposed inward in the axial direction with respect to the shaft support portion of the frame;
A planetary gear mechanism disposed on the inner side in the axial direction with respect to the shaft support portion of the frame and decelerating the power of the drive source;
And a power transmission mechanism, which is disposed on the outside of the frame in the axial direction with respect to the shaft support portion, and which transmits the power of the planetary gear mechanism to the platen roller. 前記遊星歯車機構は、前記駆動源の減速された動力を前記動力伝達機構に伝達する出力ギヤを含み、The planetary gear mechanism includes an output gear for transmitting the decelerating power of the drive source to the power transmission mechanism.
前記出力ギヤは、前記駆動源の回転軸に支持されていることを特徴とする請求項１に記載のサーマルプリンタ。The thermal printer according to claim 1, wherein the output gear is supported by a rotation shaft of the drive source. 前記遊星歯車機構は、前記フレームのうち前記軸支持部に対して前記軸線方向の外側に突出して前記動力伝達機構に係合する出力部を備え、
前記動力伝達機構は、前記軸線方向の厚さが前記出力部以下であることを特徴とする請求項１又は請求項２に記載のサーマルプリンタ。 The planetary gear mechanism includes an output portion that protrudes outward in the axial direction with respect to the shaft support portion in the frame and engages with the power transmission mechanism.
The thermal printer according to claim 1 , wherein the power transmission mechanism has a thickness in the axial direction equal to or less than that of the output unit. 前記プラテンローラのうち前記軸支持部に対して前記軸線方向の外側に位置する部分には、従動ギヤが設けられ、
前記動力伝達機構は、前記遊星歯車機構と前記従動ギヤとの間を接続するアイドラギヤを備え、
前記従動ギヤ及び前記アイドラギヤは、前記軸線方向を厚さ方向とする１段ギヤにより構成されていることを特徴とする請求項１から請求項３の何れか１項に記載のサーマルプリンタ。 A driven gear is provided at a portion of the platen roller located on the outer side in the axial direction with respect to the shaft support portion,
The power transmission mechanism includes an idler gear that connects the planetary gear mechanism and the driven gear.
The thermal printer according to any one of claims 1 to 3, wherein the driven gear and the idler gear are formed of a single-gear gear whose thickness direction is the axial direction. 前記従動ギヤ、前記遊星歯車機構及び前記アイドラギヤが樹脂材料により形成されていることを特徴とする請求項４に記載のサーマルプリンタ。 5. The thermal printer according to claim 4 , wherein the driven gear, the planetary gear mechanism, and the idler gear are formed of a resin material. 前記遊星歯車機構は、前記軸線方向から見た外形が前記駆動源を前記軸線方向から見た外形以下に形成されていることを特徴とする請求項１から請求項５の何れか１項に記載のサーマルプリンタ。 The planetary gear mechanism, according to any one of claims 1 to 5, characterized in that the outer shape as viewed from the axial direction is formed below the outer shape viewed the driving source from said axial direction Thermal printer. 請求項１から請求項６の何れか１項に記載のサーマルプリンタと、
前記サーマルプリンタが搭載されたケーシングと、を備えていることを特徴とする携帯型端末。 A thermal printer according to any one of claims 1 to 6,
And a casing on which the thermal printer is mounted.
JP2016098872A 2016-04-25 2016-05-17 Thermal printers and portable terminals Active JP6843523B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US15/493,524 US10059126B2 (en) 2016-04-25 2017-04-21 Thermal printer and portable terminal
CN201710269830.8A CN107303761B (en) 2016-04-25 2017-04-24 Thermal printer and portable terminal
CN201720436881.0U CN206856292U (en) 2016-04-25 2017-04-24 Thermal printer and portable terminal
EP17168063.0A EP3238944B1 (en) 2016-04-25 2017-04-25 Thermal printer and portable terminal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016087194 2016-04-25
JP2016087194 2016-04-25

Publications (3)

Publication Number Publication Date
JP2017196882A JP2017196882A (en) 2017-11-02
JP2017196882A5 true JP2017196882A5 (en) 2019-04-18
JP6843523B2 JP6843523B2 (en) 2021-03-17

Family

ID=60237180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016098872A Active JP6843523B2 (en) 2016-04-25 2016-05-17 Thermal printers and portable terminals

Country Status (2)

Country Link
JP (1) JP6843523B2 (en)
CN (1) CN206856292U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10059126B2 (en) * 2016-04-25 2018-08-28 Seiko Instruments Inc. Thermal printer and portable terminal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63194967A (en) * 1987-02-09 1988-08-12 Tohoku Ricoh Co Ltd Paper feed mechanism in printer
JPS63139339U (en) * 1987-03-05 1988-09-13
JP3710233B2 (en) * 1996-10-30 2005-10-26 三菱電機株式会社 Printer
JPH11321014A (en) * 1998-05-14 1999-11-24 Matsushita Electric Ind Co Ltd Thermal line printer
JP3892679B2 (en) * 2001-04-27 2007-03-14 アルプス電気株式会社 Printer platen roller release mechanism
JP2003154714A (en) * 2001-11-19 2003-05-27 Alps Electric Co Ltd Thermal printer
JP4169147B2 (en) * 2002-09-02 2008-10-22 株式会社エンプラス Planetary gear mechanism
JP4028827B2 (en) * 2003-07-31 2007-12-26 日本サーボ株式会社 Permanent magnet type stepping motor with reduction gear
JP4806544B2 (en) * 2005-08-03 2011-11-02 トックベアリング株式会社 Planetary gear reducer with magnet type torque limiter

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