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JP2012035612A - Thermochromism ink erasing device - Google Patents

Thermochromism ink erasing device Download PDF

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Publication number
JP2012035612A
JP2012035612A JP2010190051A JP2010190051A JP2012035612A JP 2012035612 A JP2012035612 A JP 2012035612A JP 2010190051 A JP2010190051 A JP 2010190051A JP 2010190051 A JP2010190051 A JP 2010190051A JP 2012035612 A JP2012035612 A JP 2012035612A
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Prior art keywords
erasing
main body
written
thermochromism ink
nichrome wire
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JP2010190051A
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JP5032639B2 (en
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Masaaki Mihara
雅昭 三原
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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

PROBLEM TO BE SOLVED: To solve problems of conventional erasing devices such as a friction body, which may cause a frictional blur of a non-thermochromism ink in erasing written lines written with both of a non-thermochromism ink and the thermochromism ink, and an ohmic heating device needing a heater temperature controlling device, which can be hardly mounted in a portable apparatus in terms of cost, and incapable of ensuring stable power supply and safety and of finely erasing written lines.SOLUTION: In a thermochromism ink erasing device, heating over the width of the wire diameter is carried out by using a nichrome wire as an ohmic heating body, and power is supplied by electric discharge from a capacitor primarily storing electric charges from a portable battery. When the nichrome wire is heated, a written line written with a thermochromism ink is finely erased by stable overheating for a short time.

Description

本発明は、熱変色性インキの筆記線を消去する装置に関する。The present invention relates to an apparatus for erasing writing lines of thermochromic ink.

従来の熱変色性インキによる筆記線を消去する方法は、摩擦体や通電加熱具等により熱を発生させる事でインキを変色させて筆記線を消去することができる。The conventional method of erasing the writing line with the thermochromic ink can erase the writing line by changing the color of the ink by generating heat with a friction body, an electric heating tool or the like.

上述の摩擦体では、熱変色性インキではない筆記線と熱変色性インキの筆記線が混在している状態では、摩擦による熱変色性インキではないインキのにじみが発生する問題があった。In the friction body described above, there is a problem that ink that is not a thermochromic ink due to friction occurs when a writing line that is not a thermochromic ink and a writing line of a thermochromic ink are mixed.

また、通電加熱具ではヒーターの温度管理をする装置を携帯機器に装備することはコスト的にも困難で、安定した電力の供給や安全性に問題があり、更に筆記線を微細に消去する作業には不向きである問題があった。In addition, it is difficult in terms of cost to equip portable devices with a heater temperature control device for energizing heaters, there are problems with stable power supply and safety, and work for finely erasing writing lines There was a problem that was unsuitable.

本発明は、このような構成が有していた問題を解決しようとするものであり、簡便な通電加熱具を構成することにより、安全に安定した筆記線の微細消去を可能にしたものである。The present invention is intended to solve the problems of such a configuration, and by constructing a simple energization heating tool, it is possible to safely and finely erase writing lines. .

そして本発明は上記目的を達成するために、通電発熱体にニクロム線を使用して線径の幅で加熱をし、電力の供給は携帯可能な電池から電荷を１次的に蓄えたキャパシターの放電により、短時間の安定した過熱を構成する回路である。In order to achieve the above object, the present invention uses a nichrome wire as the energization heating element and heats it with a width of the wire diameter, and the power is supplied from a capacitor that primarily stores charges from a portable battery. It is a circuit that constitutes stable overheating in a short time by discharging.

上述したように、キャパシターに電荷を蓄えることにより電池の供給電力が低下しても、安定した加熱温度を可能にし、短時間の加熱をすることにより、安全に通電発熱体であるニクロム線の線径による筆記線の微細消去を提供できる。As described above, even if the power supplied to the battery is reduced by storing the electric charge in the capacitor, a stable heating temperature is enabled, and by heating for a short time, the wire of nichrome wire that is an energized heating element safely. Fine erasure of writing lines by diameter can be provided.

斜視概略図Perspective view 本発明の回路図Circuit diagram of the present invention 電球を抵抗器に変更した本発明の回路図Circuit diagram of the present invention in which a light bulb is changed to a resistor 消去作業を行っていない状態の側面概略図Schematic side view without erasing work 消去作業を行っている状態の側面概略図Schematic side view of the erase operation

以下、本発明の実施の形態を適用した熱変色性インキの消去装置の一例を、図１に基づいて説明する。Hereinafter, an example of a thermochromic ink erasing apparatus to which an embodiment of the present invention is applied will be described with reference to FIG.

図１に示すように、本体ハウジング収納部１と本体ハウジング板状部２がヒンジ部３によって可動する構造であり、ヒンジ部の対辺側には前記本体ハウジング収納部１と前記本体ハウジング板状部２が弾性力を提供するためのコイルスプリング４で結合されており、前記コイルスプリング４の中心には案内軸５が前記本体ハウジング板状部２の設置孔６に貫通して固定され、本体ハウジング収納部１には案内軸５が進行するための案内孔７を有している。As shown in FIG. 1, a main body housing storage portion 1 and a main body housing plate-like portion 2 are movable by a hinge portion 3, and the main body housing storage portion 1 and the main body housing plate-like portion are arranged on opposite sides of the hinge portion. 2 are coupled by a coil spring 4 for providing an elastic force, and a guide shaft 5 is fixed to the center of the coil spring 4 through the installation hole 6 of the main body housing plate-like portion 2. The storage portion 1 has a guide hole 7 for the guide shaft 5 to travel.

前記、本体ハウジング収納部１の上部には凸レンズ８が設置され、本体ハウジング板状部２には円形孔９が開けられており、前記コイルスプリング４に加えられる荷重が本体ハウジング収納部１だけの場合は、本体ハウジング収納部１と前記本体ハウジング板状部２に空間を設けられている状態になり、前記本体ハウジング収納部１の上部を本体ハウジング板状部２側に押すことで、前記本体ハウジング収納部１と前記本体ハウジング板状部２を結合しているコイルスプリング４が圧縮されることにより、前記本体ハウジング収納部１と前記本体ハウジング板状部２は重合された状態になり、前記凸レンズ８と前記本体ハウジング板状部２の円形孔９の中心は同一軸線上に設置されている。A convex lens 8 is installed on the upper part of the main housing housing part 1, and a circular hole 9 is formed in the main body housing plate-like part 2, so that the load applied to the coil spring 4 is applied only to the main housing housing part 1. In this case, a space is provided in the main body housing storage portion 1 and the main body housing plate-like portion 2, and the upper portion of the main body housing storage portion 1 is pushed toward the main body housing plate-like portion 2 side. By compressing the coil spring 4 that couples the housing housing part 1 and the main body housing plate-like part 2, the main body housing housing part 1 and the main body housing plate-like part 2 become superposed, The centers of the convex lens 8 and the circular hole 9 of the main body housing plate-like portion 2 are installed on the same axis.

本体ハウジング収納部１には、電池１０と単極単投スイッチ１１と電球１２と単極双投スイッチ１３とキャパシター１４と、本体ハウジング収納部１と本体ハウジング板状部２が重合した際に本体ハウジング板状部２に対して、傾斜角を有したＵ字型のニクロム線１５と前記ニクロム線１５を保持するための基板１６を収納している。When the battery 10, the single-pole single-throw switch 11, the light bulb 12, the single-pole double-throw switch 13, the capacitor 14, the main body housing storage 1 and the main body housing plate-like portion 2 are overlapped, The housing plate-like portion 2 accommodates a U-shaped nichrome wire 15 having an inclination angle and a substrate 16 for holding the nichrome wire 15.

前記傾斜角を有したＵ字型のニクロム線１５は、本体ハウジング収納部１と本体ハウジング板状部２が重合した際に、本体ハウジング板状部２の円形孔９からＵ字型のニクロム線１５のアーチ部１７が突出するように前記ニクロム線１５を保持するための基板１６が設置されている。The U-shaped nichrome wire 15 having the inclination angle is formed by the U-shaped nichrome wire from the circular hole 9 of the main body housing plate-like portion 2 when the main body housing accommodating portion 1 and the main body housing plate-like portion 2 are superposed. A substrate 16 for holding the nichrome wire 15 is provided so that 15 arch portions 17 protrude.

図２の回路図において、図１の本体ハウジング収納部１に収納された構成部品の接続を説明すると、電池１０の正極から抵抗体であるフィラメントを使用した電球１２を介し、本体ハウジング収納部１と本体ハウジング板状部２が重合した際に導通するように設けられた単極単投スイッチ１１の可動片Ａに接続され、前記単極単投スイッチ１１の接点Ｂから単極双投スイッチ１３の接点Ｃに接続され、単極双投スイッチ１３の可動片Ｄはキャパシター１４の正極に接続され、ニクロム線１５は単極双投スイッチ１３の接点Ｅとキャパシター１４の負極と電池１０の負極に接続される。In the circuit diagram of FIG. 2, the connection of the components housed in the main housing housing part 1 of FIG. 1 will be described. The main body housing housing part 1 is connected to the positive electrode of the battery 10 through a light bulb 12 using a filament as a resistor. Are connected to a movable piece A of a single-pole single-throw switch 11 provided so as to be conductive when the plate-like portion 2 of the main body housing is superposed, and a single-pole double-throw switch 13 from a contact B of the single-pole single-throw switch 11 The movable piece D of the single pole double throw switch 13 is connected to the positive electrode of the capacitor 14, and the nichrome wire 15 is connected to the contact E of the single pole double throw switch 13, the negative electrode of the capacitor 14, and the negative electrode of the battery 10. Connected.

消去作業をしていない状態の側面図は図４に示すように、本体ハウジング収納部１と本体ハウジング板状部２はコイルスプリング４によって空間を保持されており、本体ハウジング収納部１に設置された単極単投スイッチ１１は非導通状態になっているため、電池１０から電球１２を介してキャパシター１４には充電されていない。As shown in FIG. 4, the side view of the main body housing housing 1 and the main body housing plate-like portion 2 is held in a space by a coil spring 4 and installed in the main body housing housing 1. Further, since the single-pole single-throw switch 11 is in a non-conductive state, the capacitor 14 is not charged from the battery 10 via the light bulb 12.

消去作業を行っている状態の本体ハウジング収納部１と本体ハウジング板状部２の側面図は、図５に示すように本体ハウジング収納部１と本体ハウジング板状部２が重合し、図２の単極単投スイッチ１１は導通状態であり、電池１０から電球１２を介してキャパシター１４に電荷を充電され、充電中は電球１２に電流が流れるため電球１２が点灯し、キャパシター１４に充電していることが視認できるが、視認することが必要なければ図３のように抵抗器Ｒでも構わない。The side view of the main housing housing part 1 and the main body housing plate-like part 2 in the state where the erasing operation is performed is shown in FIG. The single-pole single-throw switch 11 is in a conductive state, and the capacitor 14 is charged from the battery 10 via the light bulb 12. During the charging, a current flows through the light bulb 12, so that the light bulb 12 is lit and the capacitor 14 is charged. However, if it is not necessary to visually recognize, the resistor R may be used as shown in FIG.

前記キャパシター１４への充電が完了して、電球１２が消灯した後に本体ハウジング収納部１の側面に設置されている単極双投スイッチ１３を、図２の回路図で示す単極単投スイッチ１１側に接続されている接点Ｃから、ニクロム線１５側に接続されている接点Ｅに切り替えることにより、キャパシター１４に充電されていた電荷はニクロム線１５を発熱させ、図５の本体ハウジング板状部２を紙面１８に当て、熱変色性インキで書かれた筆記線上に接触したニクロム線１５が発熱することにより、筆記線を消去することができ、本体ハウジング収納部１の上部に設置されている凸レンズ８により消去部分を拡大して視認することができる。A single-pole single-throw switch 11 shown in the circuit diagram of FIG. 2 is replaced with a single-pole double-throw switch 13 installed on the side surface of the main housing housing 1 after the charging of the capacitor 14 is completed and the light bulb 12 is turned off. By switching from the contact C connected to the side to the contact E connected to the nichrome wire 15 side, the charge charged in the capacitor 14 causes the nichrome wire 15 to generate heat, and the main body housing plate-like portion of FIG. 2 is applied to the paper surface 18 and the nichrome wire 15 in contact with the writing line written with the thermochromic ink generates heat, so that the writing line can be erased and is installed in the upper part of the main body housing housing 1. The erased portion can be enlarged and visually recognized by the convex lens 8.

電池１０の供給電力が低下した場合では、図５に示すように本体ハウジング収納部１と本体ハウジング板状部２が重合し、図２の単極単投スイッチ１１を導通状態にして、キャパシター１４に電荷を充電する時間を長くする作業を行い、後に本体ハウジング収納部１の側面に設置されている単極双投スイッチ１３を、図２の回路図で示す単極単投スイッチ１１側に接続されている接点Ｃから、ニクロム線１５側に接続されている接点Ｅに切り替えることにより、消去可能な電力をキャパシター１４から通電発熱体であるニクロム線１５に供給できる。When the power supplied to the battery 10 decreases, as shown in FIG. 5, the main housing housing part 1 and the main body housing plate-like part 2 are superposed, and the single-pole single-throw switch 11 shown in FIG. 2 is connected to the single-pole / single-throw switch 11 shown in the circuit diagram of FIG. The erasable power can be supplied from the capacitor 14 to the nichrome wire 15, which is an energized heating element, by switching from the contact C to the contact E connected to the nichrome wire 15 side.

１ 本体ハウジング収納部
２ 本体ハウジング板状部
３ ヒンジ部
４ コイルスプリング
５ 案内軸
６ 設置孔
７ 案内孔
８ 凸レンズ
９ 円形孔
１０ 電池
１１ 単極単投スイッチ
１２ 電球
１３ 単極双投スイッチ
１４ キャパシター
１５ ニクロム線
１６ 基板
１７ アーチ部
１８ 紙面
Ｒ 抵抗器
Ａ 可動片
Ｂ 接点
Ｃ 接点
Ｄ 可動片
Ｅ 接点DESCRIPTION OF SYMBOLS 1 Main body housing accommodating part 2 Main body housing plate-shaped part 3 Hinge part 4 Coil spring 5 Guide shaft 6 Installation hole 7 Guide hole 8 Convex lens 9 Circular hole 10 Battery 11 Single pole single throw switch 12 Light bulb 13 Single pole double throw switch 14 Capacitor 15 Nichrome wire 16 Substrate 17 Arch 18 Paper surface R Resistor A Movable piece B Contact point C Contact point D Movable piece E Contact point

Claims (2)

紙面の熱変色性インキによる筆記線に傾斜角を有したＵ字型ニクロム線を接触させる機構を備えたことを特徴とする熱変色性インキ消去装置。A thermochromic ink erasing apparatus comprising a mechanism for bringing a U-shaped nichrome wire having an inclination angle into contact with a writing line of a thermochromic ink on a paper surface. 電池から１次的に電荷を充電されたキャパシターを、スイッチの切り替えによりニクロム線に放電させ、該ニクロム線を過熱する機構を備えたことを特徴とする熱変色性インキ消去装置。A thermochromic ink erasing apparatus comprising a mechanism for discharging a capacitor charged primarily from a battery to a nichrome wire by switching a switch, and overheating the nichrome wire.
JP2010190051A 2010-08-11 2010-08-11 Thermochromic ink eraser Expired - Fee Related JP5032639B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010190051A JP5032639B2 (en) 2010-08-11 2010-08-11 Thermochromic ink eraser

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Application Number Priority Date Filing Date Title
JP2010190051A JP5032639B2 (en) 2010-08-11 2010-08-11 Thermochromic ink eraser

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JP2012035612A true JP2012035612A (en) 2012-02-23
JP5032639B2 JP5032639B2 (en) 2012-09-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105579244A (en) * 2013-09-26 2016-05-11 泰科电子日本合同会社 Color changing device for thermochromic ink
EP3964366A1 (en) * 2020-09-07 2022-03-09 Toshiba TEC Kabushiki Kaisha Decolorizing apparatus
US11504976B2 (en) 2020-09-07 2022-11-22 Toshiba Tec Kabushiki Kaisha Mobile printer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08150267A (en) * 1994-11-30 1996-06-11 Pilot Ink Co Ltd Method for energizing load of toy working by being energized and toy working by being energized
JP3161302U (en) * 2010-04-28 2010-07-29 ゼネラルテクノロジー株式会社 Heating utensils for discolored writing instruments

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08150267A (en) * 1994-11-30 1996-06-11 Pilot Ink Co Ltd Method for energizing load of toy working by being energized and toy working by being energized
JP3161302U (en) * 2010-04-28 2010-07-29 ゼネラルテクノロジー株式会社 Heating utensils for discolored writing instruments

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105579244A (en) * 2013-09-26 2016-05-11 泰科电子日本合同会社 Color changing device for thermochromic ink
KR20160062040A (en) 2013-09-26 2016-06-01 타이코 일렉트로닉스 저팬 지.케이. Color changing device for thermochromic ink
EP3964366A1 (en) * 2020-09-07 2022-03-09 Toshiba TEC Kabushiki Kaisha Decolorizing apparatus
US11504976B2 (en) 2020-09-07 2022-11-22 Toshiba Tec Kabushiki Kaisha Mobile printer
US12188832B2 (en) 2020-09-07 2025-01-07 Toshiba Tec Kabushiki Kaisha Decolorizing apparatus

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