JP4080192B2 - IC card reader - Google Patents

IC card reader Download PDF

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Publication number
JP4080192B2
JP4080192B2 JP2001300180A JP2001300180A JP4080192B2 JP 4080192 B2 JP4080192 B2 JP 4080192B2 JP 2001300180 A JP2001300180 A JP 2001300180A JP 2001300180 A JP2001300180 A JP 2001300180A JP 4080192 B2 JP4080192 B2 JP 4080192B2
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Japan
Prior art keywords
card
sliding body
operating shaft
contact
contact block
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Expired - Fee Related
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JP2001300180A
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Japanese (ja)
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JP2003108937A (en
Inventor
信幸 山中
賢司 平沢
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Nidec Sankyo Corp
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Nidec Sankyo Corp
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Priority to JP2001300180A priority Critical patent/JP4080192B2/en
Priority to CN02143943A priority patent/CN1410936A/en
Priority to KR10-2002-0058647A priority patent/KR100503014B1/en
Publication of JP2003108937A publication Critical patent/JP2003108937A/en
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Publication of JP4080192B2 publication Critical patent/JP4080192B2/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K13/00Conveying record carriers from one station to another, e.g. from stack to punching mechanism
    • G06K13/02Conveying record carriers from one station to another, e.g. from stack to punching mechanism the record carrier having longitudinal dimension comparable with transverse dimension, e.g. punched card
    • G06K13/08Feeding or discharging cards
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/193Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
  • Conveying Record Carriers (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、カードに埋設されたICチップに情報を入出力する接点ブロックに係わり、より具体的には、接点ブロック機構の交換に関する。
【0002】
【従来の技術】
図5(a)にICカード挿入前、図5(b)にICカード挿入時を示す従来の接点接触式ICカードリーダにおける接点ブロック機構100では、接点ブロック101を搭載した上ガイド板102と情報入出力位置を確定する下ガイド板104との間にICカード103を挿入する。接点ブロック101は、上ガイド板102に固設されたブラケット105のU字溝106と、上ガイド板102上の摺動体107に穿設された案内溝108とが制御する作動軸109の周りに回動自在に支持される。
【0003】
摺動体107は、摺動板107aが植設ピン112に嵌着した止め輪112aが規制する上ガイド板102上面に摺接し、引張コイルバネ113の収縮力によって初期位置に向けて付勢されている。摺動板107aの両側面を折曲げて立ち上げた側板114の案内溝108にカム接続される作動軸109は、止め輪109aによって軸方向の移動が規制され、U字溝106で(図示)、上下方向に案内されている。作動軸109を制御する案内溝108は、傾斜部108aと水平部108bとで構成され、傾斜部108aで作動軸109をU字溝106に沿って下降させて接点ブロック101を水平にする。水平部108bでは、水平になった接点ブロック101の両接点バネ110,111先端の曲部110a,111aをICカード103に埋設されたICチップ103aに押圧する。
【0004】
上下ガイド板102,104の間に挿入されたICカード103は、摺動体107前縁の係合部107bを押動し引張コイルバネ113の収縮力に抗して摺動体107を移動する。ICカード103が摺動体107を押していくと、接点ブロック101の作動軸109が案内溝に形成された傾斜部108aにならってU字溝106に沿って下降し、ICカード103が規定位置に到達すると、作動軸109が案内溝水平部108bに達し、作動軸109の両側に均等に接点バネ先端の接点曲部110a,111aを配置した接点ブロック101は、案内溝水平部108bに規制される作動軸109と一体で、バネ先端の接点曲部110a,111aをICチップ103aの所定位置に圧着し、ICチップ103aと図示しないカードリーダ間で通信を行う。ICカード103を抜取ると、摺動体107は引張コイルバネ113の収縮力によって初期位置に復帰し、接点ブロック101は自由になる。
【0005】
【発明が解決しようとする課題】
ところで、近年市場にICカードの普及は著しく、当然ICカードリーダの使用頻度は増加し、様々な使用媒体及び使用環境と重なって、接点バネが劣化し接点は摩滅や汚損を受けることは自明であろう。劣化による接点の電気的接触不良が発生すると、情報にバグが混入し、正確さを欠いた情報が重大な信用問題に発展する危険性が予測される。従って、信頼性確保のためには接点バネ部の交換やメンテナンスが現場で簡単に行われることが必要である。ところが、従来のICカードリーダの構造は、部品交換の作業性に関して行き届いた配慮が施されているとはいえず、例えば、止め輪109aを外して作動軸109を抜取らないと接点ブロック101を取外すことができないというように、現場での部品交換作業は容易ではない。
【0006】
そこで本発明の目的は、接点バネの接点ブロック機構をメンテナンス部品として、現場での交換作業が容易なICカードリーダの構造の提供である。
【0007】
【課題を解決するための手段】
上記の目的を達成するために、本発明に係わるICカードリーダは、挿入されるカードの先端と係合する係合突片を有して前記カードとともに移動する摺動体と、固定U字溝に沿って上下方向に移動自在な作動軸に回動自在に支持され、前記摺動体に連動して前記カードに向かって回動する接点ブロックと、前記カードの除去に伴って前記摺動体とともに前記接点ブロックを初期位置に復帰させる付勢手段と、前記カードと弾接する複数の接点バネとを備える接点ブロック機構を有するICカードリーダにおいて、前記摺動体に設けられ、カード挿入側に移動するように形成された傾斜部と、その傾斜部からカード挿入方向に平行に延在する水平部とからなり、前記作動軸と係合して前記接点ブロックを回動制御する案内溝に、前記付勢手段の付勢力に抗して更に前記摺動体を移動させたときに前記作動軸を解放する開口部を前記水平部に連続して形成し、さらに前記カードの読取位置を規制するカードストッパを前記摺動体の前記係合突片に対しカード幅方向外側に設け、前記カードストッパによる前記カードの停止時には、前記摺動体の前記水平部に前記作動軸を位置させる一方、更に前記摺動体を移動させたときには、前記摺動体の前記開口部を介して前記作動軸を解放するようにした。
【0008】
そして、前記付勢部材は圧縮コイルバネとした。さらに、前記案内溝の外側に前記作動軸の軸方向移動に対する阻止手段を設けた。
【0009】
【発明の実施の形態】
以下に、本発明に係わるICカードリーダの実施の形態を図面に基づいて説明する。図1は、本発明に係わるICカードリーダの一実施例における接点ブロック機構10を模式的に示す平面図で、図2は図1の側面図で部分的に断面で示す。図3はICカード挿入時の態様を説明する側面図である。図3に示すように、接点ブロック機構10において、接点ブロック12は、植設した接点バネ13,14をICカード11に埋設されたICチップの入出力接点15に所定の押圧力で圧接するように構成される。
【0010】
すなわち接点ブロック12は、両側面にICカード11の挿入方向に対して直角に突出させ、上ガイド板21に突設したブラケット21cのU字溝21bと摺動体20の案内溝22に規制される作動軸18の周りに回動自在で、自由端12aは、係止フック16と摺動体の摺動面20d上面との間に浅く遊嵌され、作動軸18の移動に従って直線移動する。上ガイド板21に固設された係止フック16はまた、作動軸18を規制する案内溝の水平部22bと協働で、接点バネ13,14の弾性力を支え、接点曲部13a,14aが均等な押圧力でICチップの入出力接点15に圧接するように機能する。
【0011】
摺動体20は上部ガイド板21に支持され、ICカード11の移動方向と平行に摺動自在である。摺動体20はまた、接点ブロック12の両側に突出させた作動軸18と係合する案内溝22を備え、接点ブロック12は、摺動体20の移動に連動して回動する。23は、摺動体20を初期位置(図2参照)に復帰させる付勢部材として使用される圧縮コイルバネで、上ガイド板21に固設した突起21dと摺動体折曲部20a前縁との間に挟装される。
【0012】
接点ブロック機構10は、上・下ガイド板21,31によって形成されるカード搬送路24を含み、概略図示した搬送ローラ対25に連設される。搬送ローラ対25は図示しない正逆可能な駆動モータによって適時駆動され、カード搬送路24に対してICカード11の搬入・搬出を行う。摺動体20のカード搬送路24の幅方向Bに位置する両縁には、上方に向けて立ち上げ折曲部20a,20bがそれぞれ形成される。ただし、折曲部20bの側面図は折曲部20aと重なるので省略する。
【0013】
折曲部20a,20bには、傾斜部22aと水平部22bからなる案内溝22が鏡像関係で対向配置される。摺動体20の進行方向(矢印A)の前縁で折曲部20a,20bの中間部をカード搬送路24に向かって折り曲げ、ICカード11の前縁と係合可能な突片26を形成する。また、折曲部20bの近傍から幅方向Bにセンサアーム20gが延在する。
【0014】
摺動体20の摺動面20dには、上ガイド板21に植設されたピン27と係合する3本の長孔20cが穿設され、カード11の移動方向と平行に延在する。摺動体20は、摺動面20dがピン27にワッシャ28を介して嵌装した止め輪29で抜け止めされて上ガイド板上面21aに支持され、長孔20cの範囲内で摺動自在である。摺動体20の摺動面20dに設けた開口部20e内に位置する上ガイド板上面21aには、上方に開口するU字溝21bを垂直に形成した一対のブラケット21cが突設され、U字溝21bは摺動体折曲部20a,20bに穿設した案内溝22を貫通する作動軸18と嵌合する。
【0015】
接点ブロック12は、ブラケット21cの間に遊嵌されて軸方向移動が規制される。摺動体折曲部20a,20bの上部を外側に折返して、案内溝22の外側面に臨ませた壁板20fで作動軸18の軸方向移動の阻止手段を形成する。このため、作動軸18を接点ブロック12に固着する加工や固定部材を必要としない。上ガイド板上面21aで、片側の摺動体折曲部20aの延長線に沿った前端部上方に突起21dを設け、摺動体折曲部20a前縁との間に復帰用付勢部材の圧縮コイルバネ23を挟装する。圧縮コイルバネ23は、弾性限界を超える扱いを受けることはなく、交換の必要がないので、引張コイルバネのように接点ブロック12を交換する度に取り外すことはなく、それだけ接点ブロック12の交換は容易になる。
【0016】
接点バネ13,14は、電気接点材の板バネを略L字形状に形成したもので、作動軸18の軸線方向に複数列並設され、かつ、作動軸18よりもカード挿入側よりに直列に配設し、接触部となる接点曲部13a,14aが、ICチップの入出力接点15と所定の加圧で接触した状態で、作動軸18を中心として前後均等な距離sに位置するように、作動軸18に向けて傾斜させた形状で接点ブロック12に植設されている(図3参照)。摺動体20が圧縮コイルバネ23の付勢力で自由に押動され、作動軸18が摺動体20の案内溝22における傾斜部22a上端に位置するとき、接点ブロック12は初期位置にあって、接点バネ13,14はカード搬送路24から離間し、ICカード11の搬入に干渉しない位置に待機する(図2参照)。
【0017】
摺動体20がICカード11の搬入に連動して移動する方向(矢印A)で、側方に延在させたセンサアーム20gの前方にはカードセンサ30が配設され、センサアーム20gがカードセンサ30に接触あるいは磁気的または光学的に検知されると、送出される電気信号によって図示しない駆動モータを停止して、ICカード11の搬入を停止する。
【0018】
上ガイド板21の下面21eで、摺動体20前縁に突設したICカード11との係合突片26より幅方向(矢印B)外側に、ICカード11の停止と同期してICカード11前縁の一部に当接し、読取位置を規制するカードストッパ33を突設する。すなわち、搬入されたICカード11は前縁がカードストッパ33に当接したとき、接点バネの接点曲部13a,14aがICチップの出入力端子15の適正位置に整合し、カードセンサ30がセンサアーム20gを検知できる位置に設定されている。
【0019】
このとき作動軸18は摺動体20の案内溝22における水平部22bに位置している。摺動体20は、カードストッパ33によるICカード11の停止位置に関係なく、圧縮コイルバネ23の付勢力に抗して手操作によってさらに圧縮コイルバネ23を圧縮する方向に移動させ、作動軸18の位置に案内溝末端22cをもってくることができる。
【0020】
案内溝末端22cは、摺動部の折曲部20a,20bが上方に向けて拡幅する切欠34によって開口され、作動軸18を切欠34から案内溝22の外に取り出すことができる(図4矢印C)。接点ブロック12を拘束するのは案内溝22に係合する作動軸18だけであるから、作動軸18が着脱できる切欠34は、接点ブロック着脱用開口部として機能する。
【0021】
次に、このように構成された入出力接点ブロック機構10の動作を説明する。ICカード11が挿入されると、図示しない駆動モータが起動して搬送ローラ対25を駆動し、ICカード11をカード搬送路24内に搬入する。ICカード11は進行して前縁が初期位置に待機する摺動体20前縁の突片26に係合し、圧縮コイルバネ23の付勢力に抗して、摺動体20はICカード11と一体で移動する。摺動体20の初期位置において案内溝の傾斜部22a上端に位置する作動軸18は、摺動体20の移動に伴い、傾斜部22aに沿って徐々にブラケット21cのU字溝21b内を垂直に下降し水平部22bに向けて移行する。この動作に連動して接点ブロック12はカード搬送路24に向けて旋回し、接点バネ13,14の接点曲部13a,14aがICカード11面に押圧される。
【0022】
そして、作動軸18が案内溝22の水平部22bに達すると、作動軸18のU字溝21b内の下降は規制されて接点ブロック12の回動は停止し、ICカード11の前縁がカードストッパ33に当接する。このとき、曲部13a,14aは、ほぼ均等な押圧力でICチップの入出力接点15に圧接し、カードセンサ30がセンサアーム20gを検出して搬送ローラ対25の駆動モータを停止する。
【0023】
搬送ローラ対25の停止によってICカード11は、入出力接点15が曲部13a,14aと対向する所定位置に停止し、カードリーダとの通信が可能となる。すなわち、曲部13a,14aは入出力接点15に一定の押圧力で良好な接触状態に維持され、データの読み書きを安定した状態で確実に行うことができる。データの読み書きが終了すると、駆動モータを逆回転させカード搬送路24からICカード11を搬出する。
【0024】
ICカード11前縁は摺動体20の突片26との係合を解除するので、摺動体20は圧縮コイルバネ23の付勢力で初期位置に復帰する。作動軸18は水平部22bから傾斜部22aに案内されながらU字溝21bを上昇し、接点ブロック12は初期位置へ向けて回動するので、接点バネ13,14はICカード11から離間する位置まで移動する。このように、接点バネ13,14は回動のみで摺動による摩擦作用が殆どないので、曲部13a,14aに摩耗が少なく耐久性を向上させることができる。
【0025】
上記したような構成であるから、ICカード11の有無に関わらず、摺動体20は手動操作で圧縮コイルバネ23を圧縮する方向に、長孔20cの範囲内で自由に摺動させることができる。従って、摺動体20をカードストッパ33による停止位置からさらに、案内溝末端22cが作動軸18の位置に到るまで長孔20cいっぱいに移動させ、圧縮コイルバネ23の付勢力に抗して一時的に摺動体20を保持することによって、作動軸18は切欠34によって案内溝22から解放されて自由になる。そこで接点ブロック12は、自由端12aを係止フック16の浅い遊嵌から離脱させ、作動軸18をU字溝21bからも上方に抜取ることで、単独で簡単に接点ブロック機構10から取外すことができる。このように、接点ブロック機構10を分解することなく接点曲部13a,14aが摩耗や腐食で不具合となった接点ブロック12を単独で容易に交換することができる。
【0026】
以上、実施例について説明したが、本発明は図示の実施例に限定されるものではなく、その形状や構成等について、本発明の構成要件から逸脱しない範囲で、細部に関する多様な変更や部品の再構成等の改変をなし得ることが予期される。例えば、接点バネの復帰に圧縮バネを使用したが、摺動部にバネ掛け部を設けて引張コイルバネを作動軸との間に張設して接点ブロックとともに交換できるようにすれば、引張コイルバネの使用が可能になる。また、作業性向上のために、交換時に摺動部材を交換位置に移動した位置で、両手が自由に使えるように復帰バネの付勢力を一時的に保持する係止ピン差込孔を設けてもよい。
【0027】
【発明の効果】
以上の説明で明らかなように、請求項1に記載の本発明に係わるICカードによれば、接点ブロック機構を有するICカードリーダにおいて、案内溝に作動軸を解放する開口部を形成したので、接点ブロックと作動軸周りを分解することなく、工具を使わずに指先操作だけで接点ブロックだけを単独で簡単に脱着できる。従って、市場においても現場においても、接点ブロック機構の交換やメンテナンスを容易に安心して行うことができる。また、カードの読取位置を規制するカードストッパを設けたので、接点ブロック交換に関係なくカード読取位置は安定し、調整の必要はない。このため、手動で行うICカードリーダに適用することも可能であり、また搬送回路が不具合の場合の手動操作によっても読取精度が影響されることはない。従って、ICカードリーダの信頼性を向上させることができる。
【0028】
また、本発明に係わるICカードによれば、前記開口部は、前記摺動体が前記カードストッパの機能により移動を停止する範囲外に延在させた前記案内溝水平部位の末端に設けた、即ち、前記作動軸を解放する開口部を前記水平部に連続して形成したので、ICカードの停止位置に関係なく摺動体を停止位置よりさらに移動させることによって接点ブロックの着脱を行うことができるから、接点ブロックがICカードの停止位置で外れる心配はなく、接点バネとICチップ入出力端子との接触も停止位置で安定して再現され、信頼性のある情報の入出力を確実に行うことができる。
【0029】
また、請求項2に記載の本発明に係わるICカードによれば、前記付勢部材は圧縮コイルバネとしたので、引張コイルバネであれば必要とされるバネ掛け形成のための加工がなく材料の減縮とコンパクトな構成が可能となり、また引張コイルバネに必要な着脱のための分解作業がなくなるので、交換を迅速に行うことができる。
【0030】
さらに、請求項3に記載の本発明に係わるICカードによれば、案内溝の外側に作動軸の軸方向移動に対する阻止手段を設けたので、接点ブロックは作動軸を固装したまま着脱用開口部から装着でき、作動軸は案内溝を介して接点ブロックに挿通する必要がなく、作動軸の軸方向の移動を阻止する止め輪が排除され、作動軸両端の止め輪溝加工を省略できて加工組立が容易になり、製造時間が短縮でき、また現場では止め輪を着脱する工具が不要で、着脱作業の省略により交換作業時間が短縮できる。
【図面の簡単な説明】
【図1】本発明に係わるICカードリーダの一実施例における接点ブロック機構を模式的に示す平面図である。
【図2】図1の一部を断面で示す側面図である。
【図3】本発明に係わるICカードリーダにおいてICカードが入出力位置にセットされた状態を説明する側面図である。
【図4】本発明に係わるICカードリーダにおける接点ブロック取出し操作を説明する側面図である。
【図5】従来のICカードリーダの接点ブロック機構の一実施例を一部断面で示す側面図で、(a)は待機位置にある初期状態を示し、(b)はカードが入出力位置にセットされた状態を示す。
【符号の説明】
10 接点ブロック機構
11 ICカード
12 接点ブロック
13,14 接点バネ
15 入出力接点
18 作動軸
20 摺動体
21 上ガイド板
21b U字溝
22 案内溝
23 圧縮コイルバネ
24 カード搬送路
26 係止突片
33 カードストッパ
34 切欠(接点ブロック着脱用開口部)
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a contact block for inputting / outputting information to / from an IC chip embedded in a card, and more specifically to replacement of a contact block mechanism.
[0002]
[Prior art]
In the contact block mechanism 100 in the conventional contact contact type IC card reader shown in FIG. 5A before the IC card is inserted and in FIG. 5B when the IC card is inserted, the upper guide plate 102 on which the contact block 101 is mounted and information The IC card 103 is inserted between the lower guide plate 104 and the input / output position. The contact block 101 is arranged around an operating shaft 109 controlled by a U-shaped groove 106 of a bracket 105 fixed to the upper guide plate 102 and a guide groove 108 formed in a sliding body 107 on the upper guide plate 102. It is supported rotatably.
[0003]
The sliding body 107 is in sliding contact with the upper surface of the upper guide plate 102 regulated by the retaining ring 112 a fitted with the planting pin 112, and is urged toward the initial position by the contraction force of the tension coil spring 113. . The operating shaft 109 cam-connected to the guide groove 108 of the side plate 114 raised by bending both side surfaces of the sliding plate 107a is restricted in axial movement by the retaining ring 109a. It is guided in the vertical direction. The guide groove 108 that controls the operating shaft 109 is composed of an inclined portion 108a and a horizontal portion 108b, and the operating shaft 109 is lowered along the U-shaped groove 106 by the inclined portion 108a to make the contact block 101 horizontal. In the horizontal portion 108 b, the bent portions 110 a and 111 a at the tips of the contact springs 110 and 111 of the contact block 101 that is leveled are pressed against the IC chip 103 a embedded in the IC card 103.
[0004]
The IC card 103 inserted between the upper and lower guide plates 102, 104 moves the sliding body 107 against the contraction force of the tension coil spring 113 by pushing the engaging portion 107 b at the front edge of the sliding body 107. When the IC card 103 pushes the sliding body 107, the operating shaft 109 of the contact block 101 descends along the U-shaped groove 106 following the inclined portion 108a formed in the guide groove, and the IC card 103 reaches the specified position. Then, the operation shaft 109 reaches the guide groove horizontal portion 108b, and the contact block 101 in which the contact curved portions 110a and 111a at the contact spring tips are evenly arranged on both sides of the operation shaft 109 is controlled by the guide groove horizontal portion 108b. Integrated with the shaft 109, the contact curved portions 110a and 111a at the tips of the springs are pressure-bonded to predetermined positions of the IC chip 103a, and communication is performed between the IC chip 103a and a card reader (not shown). When the IC card 103 is removed, the sliding body 107 returns to the initial position by the contraction force of the tension coil spring 113, and the contact block 101 becomes free.
[0005]
[Problems to be solved by the invention]
By the way, in recent years, the spread of IC cards has been remarkable in the market. Of course, the frequency of use of IC card readers has increased, and it is obvious that contact springs are deteriorated due to overlapping with various use media and use environments, and the contacts are worn or damaged. I will. When a contact failure due to deterioration occurs, bugs are mixed in information, and there is a risk that information lacking accuracy will develop into a serious credit problem. Therefore, in order to ensure reliability, it is necessary that the exchange and maintenance of the contact spring portion be easily performed on site. However, the structure of the conventional IC card reader cannot be said to have given careful consideration to the workability of parts replacement. For example, the contact block 101 must be removed without removing the retaining ring 109a and removing the operating shaft 109. It is not easy to replace parts on site, as it cannot be removed.
[0006]
SUMMARY OF THE INVENTION An object of the present invention is to provide an IC card reader structure that can be easily replaced on site using a contact block mechanism of a contact spring as a maintenance part.
[0007]
[Means for Solving the Problems]
To achieve the above object, IC card reader according to the present invention comprises a sliding body which moves together with the card to have a engaging protrusion to be engaged with the tip end of the card to be inserted, the fixed U-shaped groove A contact block that is rotatably supported by an operating shaft that is movable in the vertical direction along the sliding body and that pivots toward the card in conjunction with the sliding body, and the contact point together with the sliding body when the card is removed. In an IC card reader having a contact block mechanism including a biasing means for returning the block to an initial position and a plurality of contact springs that are elastically contacted with the card, the IC card reader is provided on the sliding body and is configured to move to the card insertion side. and has been inclined portion consists of a horizontal part extending parallel to the card insertion direction from the inclined portion, the actuating shaft and engages the contact block to the guide groove to control rotation, said biasing means Wherein an opening for releasing the operating shaft and formed continuously with the horizontal portion, further the sliding body a card stopper for restricting the reading position of the card when further against the biasing force moves the sliding body the engagement projection piece with respect to arranged outside the card width direction, of the time of stopping the card by the card stopper, while to position the actuating shaft to the horizontal portion of the sliding body, when moved further the sliding body is The operating shaft is released through the opening of the sliding body.
[0008]
The urging member is a compression coil spring. Further, a blocking means for the axial movement of the operating shaft is provided outside the guide groove.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of an IC card reader according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view schematically showing a contact block mechanism 10 in an embodiment of an IC card reader according to the present invention, and FIG. 2 is a side view of FIG. FIG. 3 is a side view for explaining a mode when the IC card is inserted. As shown in FIG. 3, in the contact block mechanism 10, the contact block 12 presses the implanted contact springs 13 and 14 to the input / output contact 15 of the IC chip embedded in the IC card 11 with a predetermined pressing force. Configured.
[0010]
That is, the contact block 12 protrudes at right angles to the insertion direction of the IC card 11 on both sides, and is restricted by the U-shaped groove 21b of the bracket 21c protruding from the upper guide plate 21 and the guide groove 22 of the sliding body 20. The free end 12a can freely rotate around the operating shaft 18 and is loosely fitted between the locking hook 16 and the upper surface of the sliding surface 20d of the sliding body, and linearly moves according to the movement of the operating shaft 18. The locking hook 16 fixed to the upper guide plate 21 also supports the elastic force of the contact springs 13 and 14 in cooperation with the horizontal portion 22b of the guide groove that regulates the operating shaft 18, and the contact curved portions 13a and 14a. Functions so as to be in pressure contact with the input / output contact 15 of the IC chip with a uniform pressing force.
[0011]
The sliding body 20 is supported by the upper guide plate 21 and is slidable in parallel with the moving direction of the IC card 11. The sliding body 20 is also provided with a guide groove 22 that engages with the operating shaft 18 protruded on both sides of the contact block 12, and the contact block 12 rotates in conjunction with the movement of the sliding body 20. A compression coil spring 23 is used as an urging member for returning the sliding body 20 to the initial position (see FIG. 2), and is between the protrusion 21d fixed to the upper guide plate 21 and the sliding body bent portion 20a front edge. Is sandwiched between.
[0012]
The contact block mechanism 10 includes a card transport path 24 formed by upper and lower guide plates 21 and 31, and is connected to a transport roller pair 25 schematically shown. The transport roller pair 25 is driven in a timely manner by a drive motor (not shown) capable of forward and reverse, and carries the IC card 11 into and out of the card transport path 24. On both edges located in the width direction B of the card transport path 24 of the sliding body 20, rising bent portions 20a and 20b are formed respectively upward. However, the side view of the bent portion 20b overlaps with the bent portion 20a, and is omitted.
[0013]
A guide groove 22 composed of an inclined portion 22a and a horizontal portion 22b is disposed opposite to the bent portions 20a and 20b in a mirror image relationship. The intermediate portion of the bent portions 20a and 20b is bent toward the card transport path 24 at the front edge of the sliding body 20 in the traveling direction (arrow A) to form a protruding piece 26 that can be engaged with the front edge of the IC card 11. . Further, the sensor arm 20g extends in the width direction B from the vicinity of the bent portion 20b.
[0014]
Three sliding holes 20c that engage with pins 27 planted in the upper guide plate 21 are formed in the sliding surface 20d of the sliding body 20, and extend in parallel with the moving direction of the card 11. The sliding body 20 is supported by the upper guide plate upper surface 21a by being prevented from coming off by a retaining ring 29 having a sliding surface 20d fitted to the pin 27 via a washer 28, and is slidable within the range of the long hole 20c. . On the upper guide plate upper surface 21a located in the opening 20e provided on the sliding surface 20d of the sliding body 20, a pair of brackets 21c formed with a U-shaped groove 21b opened upward are projected and provided. The groove 21b is fitted to the operating shaft 18 that passes through the guide groove 22 formed in the sliding body bent portions 20a and 20b.
[0015]
The contact block 12 is loosely fitted between the brackets 21c to restrict axial movement. The upper portions of the sliding body bent portions 20a and 20b are folded outward, and a wall plate 20f facing the outer surface of the guide groove 22 forms a means for preventing the movement of the operating shaft 18 in the axial direction. For this reason, the process and fixing member which adhere the actuating shaft 18 to the contact block 12 are not required. On the upper guide plate upper surface 21a, a protrusion 21d is provided above the front end along the extended line of the sliding body bending portion 20a on one side, and the compression coil spring of the return biasing member is provided between the front edge of the sliding body bending portion 20a. 23 is sandwiched. Since the compression coil spring 23 is not treated beyond the elastic limit and does not need to be replaced, it is not removed every time the contact block 12 is replaced like a tension coil spring, and the replacement of the contact block 12 is facilitated accordingly. Become.
[0016]
The contact springs 13, 14 are plate springs of electrical contact materials formed in a substantially L shape, are arranged in a plurality of rows in the axial direction of the operating shaft 18, and are connected in series from the card insertion side to the operating shaft 18. The contact curved portions 13a and 14a serving as contact portions are located at a distance s equal to the front and rear of the operating shaft 18 in a state where the contact curved portions 13a and 14a are in contact with the input / output contact 15 of the IC chip with a predetermined pressure. Further, the contact block 12 is implanted in a shape inclined toward the operating shaft 18 (see FIG. 3). When the sliding body 20 is freely pushed by the biasing force of the compression coil spring 23 and the operating shaft 18 is positioned at the upper end of the inclined portion 22a of the guide groove 22 of the sliding body 20, the contact block 12 is in the initial position, and the contact spring 13 and 14 are separated from the card transport path 24 and stand by at a position where they do not interfere with the loading of the IC card 11 (see FIG. 2).
[0017]
A card sensor 30 is disposed in front of the sensor arm 20g extending sideways in the direction (arrow A) in which the sliding body 20 moves in conjunction with the loading of the IC card 11, and the sensor arm 20g is connected to the card sensor. When it is detected in contact with 30 or magnetically or optically, a drive motor (not shown) is stopped by an electric signal sent to stop the IC card 11 from being carried in.
[0018]
The IC card 11 is synchronized with the stop of the IC card 11 on the lower surface 21e of the upper guide plate 21 on the outer side in the width direction (arrow B) from the engagement protrusion 26 with the IC card 11 protruding from the front edge of the sliding body 20. A card stopper 33 that abuts a part of the front edge and regulates the reading position is provided. That is, when the leading edge of the loaded IC card 11 comes into contact with the card stopper 33, the contact curved portions 13a and 14a of the contact springs are aligned with the appropriate positions of the input / output terminals 15 of the IC chip, and the card sensor 30 is The arm 20g is set at a position where it can be detected.
[0019]
At this time, the operating shaft 18 is located in the horizontal portion 22 b in the guide groove 22 of the sliding body 20. Regardless of the stop position of the IC card 11 by the card stopper 33, the sliding body 20 moves the compression coil spring 23 in the direction of further compressing it manually against the urging force of the compression coil spring 23, and moves it to the position of the operating shaft 18. A guide groove end 22c can be provided.
[0020]
The guide groove end 22c is opened by a notch 34 in which the bent portions 20a and 20b of the sliding part are widened upward, and the operating shaft 18 can be taken out of the guide groove 22 from the notch 34 (arrow in FIG. 4). C). Since only the operating shaft 18 engaged with the guide groove 22 constrains the contact block 12, the notch 34 to which the operating shaft 18 can be attached / detached functions as a contact block attaching / detaching opening.
[0021]
Next, the operation of the input / output contact block mechanism 10 configured as described above will be described. When the IC card 11 is inserted, a drive motor (not shown) is activated to drive the conveyance roller pair 25 and carry the IC card 11 into the card conveyance path 24. The IC card 11 advances and engages the protrusion 26 on the front edge of the sliding body 20 whose front edge stands by at the initial position, and the sliding body 20 is integrated with the IC card 11 against the urging force of the compression coil spring 23. Moving. The operating shaft 18 positioned at the upper end of the inclined portion 22a of the guide groove at the initial position of the sliding body 20 gradually descends vertically in the U-shaped groove 21b of the bracket 21c along the inclined portion 22a as the sliding body 20 moves. And move toward the horizontal portion 22b. In conjunction with this operation, the contact block 12 turns toward the card transport path 24, and the contact curved portions 13a and 14a of the contact springs 13 and 14 are pressed against the surface of the IC card 11.
[0022]
When the operating shaft 18 reaches the horizontal portion 22b of the guide groove 22, the lowering of the operating shaft 18 in the U-shaped groove 21b is restricted, the rotation of the contact block 12 is stopped, and the front edge of the IC card 11 is the card. It contacts the stopper 33. At this time, the curved portions 13a and 14a are pressed against the input / output contact 15 of the IC chip with substantially equal pressing force, and the card sensor 30 detects the sensor arm 20g and stops the drive motor of the conveying roller pair 25.
[0023]
When the conveying roller pair 25 is stopped, the IC card 11 stops at a predetermined position where the input / output contact 15 faces the curved portions 13a and 14a, and communication with the card reader becomes possible. That is, the curved portions 13a and 14a are maintained in good contact with the input / output contact 15 with a constant pressing force, and data reading and writing can be reliably performed in a stable state. When the reading / writing of data is completed, the drive motor is rotated in the reverse direction to carry out the IC card 11 from the card transport path 24.
[0024]
Since the front edge of the IC card 11 releases the engagement with the protruding piece 26 of the sliding body 20, the sliding body 20 returns to the initial position by the urging force of the compression coil spring 23. The operating shaft 18 is moved up the U-shaped groove 21b while being guided from the horizontal portion 22b to the inclined portion 22a, and the contact block 12 rotates toward the initial position, so that the contact springs 13 and 14 are separated from the IC card 11. Move up. Thus, since the contact springs 13 and 14 are only rotated and have little frictional action due to sliding, the curved portions 13a and 14a are less worn and the durability can be improved.
[0025]
Because of the configuration as described above, regardless of the presence or absence of the IC card 11, the sliding body 20 can be freely slid within the range of the long hole 20c in the direction of compressing the compression coil spring 23 by manual operation. Accordingly, the sliding body 20 is further moved from the stop position by the card stopper 33 to the full length of the long hole 20c until the guide groove end 22c reaches the position of the operating shaft 18, and temporarily resists the urging force of the compression coil spring 23. By holding the sliding body 20, the operating shaft 18 is released from the guide groove 22 by the notch 34 and becomes free. Therefore, the contact block 12 can be easily detached from the contact block mechanism 10 alone by removing the free end 12a from the shallow loose fitting of the locking hook 16 and withdrawing the operating shaft 18 also from the U-shaped groove 21b. Can do. Thus, the contact block 12 in which the contact curved portions 13a and 14a become defective due to wear or corrosion can be easily replaced independently without disassembling the contact block mechanism 10.
[0026]
Although the embodiments have been described above, the present invention is not limited to the illustrated embodiments, and various modifications and parts of details can be made with respect to the shapes and configurations thereof without departing from the configuration requirements of the present invention. It is anticipated that modifications such as reconstruction can be made. For example, if a compression spring is used to return the contact spring, but if a spring hook is provided on the sliding part and the tension coil spring is stretched between the operating shaft so that it can be replaced together with the contact block, the tension coil spring Can be used. In order to improve workability, a locking pin insertion hole is provided to temporarily hold the biasing force of the return spring so that both hands can be used freely at the position where the sliding member is moved to the replacement position during replacement. Also good.
[0027]
【The invention's effect】
As apparent from the above description, according to the IC card according to the present invention described in claim 1, in the IC card reader having the contact block mechanism, the opening for releasing the operating shaft is formed in the guide groove. Without disassembling the contact block and the periphery of the operating shaft, the contact block alone can be easily detached by simply operating the fingertip without using a tool. Therefore, the replacement and maintenance of the contact block mechanism can be easily and safely performed both in the market and at the site. In addition, since the card stopper for regulating the card reading position is provided, the card reading position is stable regardless of the contact block replacement, and no adjustment is required. For this reason, it can be applied to an IC card reader that is manually operated, and the reading accuracy is not affected by a manual operation when the conveyance circuit is defective. Therefore, the reliability of the IC card reader can be improved.
[0028]
Further, according to the IC card according to the present invention, the opening, the sliding body is only set at the end of the guide groove horizontal sites extended outside the range for stopping the movement of the function of the card stopper, i.e. Since the opening for releasing the operating shaft is formed continuously in the horizontal portion, the contact block can be attached and detached by moving the sliding body further from the stop position regardless of the stop position of the IC card. There is no worry that the contact block will come off at the stop position of the IC card, and the contact between the contact spring and the IC chip input / output terminal is also stably reproduced at the stop position, so that reliable input / output of information can be performed reliably. it can.
[0029]
Further , according to the IC card of the present invention as set forth in claim 2, since the biasing member is a compression coil spring, if it is a tension coil spring, there is no processing for forming a spring hook required, and the material is reduced. A compact configuration is possible, and since the disassembly work for attaching / detaching the tension coil spring is eliminated, the replacement can be performed quickly.
[0030]
Furthermore, according to the IC card of the present invention as set forth in claim 3, since the means for preventing the movement of the operating shaft in the axial direction is provided outside the guide groove, the contact block has an opening for attaching and detaching while the operating shaft is fixed. The operating shaft does not need to be inserted into the contact block via the guide groove, the retaining ring that prevents the axial movement of the operating shaft is eliminated, and the retaining ring groove machining at both ends of the operating shaft can be omitted. Processing and assembly are facilitated, manufacturing time can be shortened, and a tool for attaching and detaching the retaining ring is not required on site, and the replacement work time can be shortened by omitting the attachment and detachment work.
[Brief description of the drawings]
FIG. 1 is a plan view schematically showing a contact block mechanism in an embodiment of an IC card reader according to the present invention.
FIG. 2 is a side view showing a part of FIG. 1 in section.
FIG. 3 is a side view for explaining a state in which the IC card is set at the input / output position in the IC card reader according to the present invention.
FIG. 4 is a side view for explaining a contact block removing operation in the IC card reader according to the present invention.
FIGS. 5A and 5B are side views showing a partial cross-sectional view of an embodiment of a contact block mechanism of a conventional IC card reader, where FIG. 5A shows an initial state in a standby position, and FIG. 5B shows a card in an input / output position; Indicates the set state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Contact block mechanism 11 IC card 12 Contact block 13, 14 Contact spring 15 Input / output contact 18 Actuating shaft 20 Slider 21 Upper guide plate 21b U-shaped groove 22 Guide groove 23 Compression coil spring 24 Card conveyance path 26 Locking protrusion 33 Card Stopper 34 Notch (contact block attachment / detachment opening)

Claims (3)

挿入されるカードの先端と係合する係合突片を有して前記カードとともに移動する摺動体と、
固定U字溝に沿って上下方向に移動自在な作動軸に回動自在に支持され、前記摺動体に連動して前記カードに向かって回動する接点ブロックと、
前記カードの除去に伴って前記摺動体とともに前記接点ブロックを初期位置に復帰させる付勢手段と、
前記カードと弾接する複数の接点バネとを備える接点ブロック機構を有するICカードリーダにおいて、
前記摺動体に設けられ、カード挿入側に移動するように形成された傾斜部と、その傾斜部からカード挿入方向に平行に延在する水平部とからなり、前記作動軸と係合して前記接点ブロックを回動制御する案内溝に、前記付勢手段の付勢力に抗して更に前記摺動体を移動させたときに前記作動軸を解放する開口部を前記水平部に連続して形成し、
さらに前記カードの読取位置を規制するカードストッパを前記摺動体の前記係合突片に対しカード幅方向外側に設け、
前記カードストッパによる前記カードの停止時には、前記摺動体の前記水平部に前記作動軸を位置させる一方、更に前記摺動体を移動させたときには、前記摺動体の前記開口部を介して前記作動軸を解放するようにしたことを特徴とするICカードリーダ。
A sliding body which moves together with the card to have a engaging protrusion to the tip engages the inserted card,
A contact block that is rotatably supported by an operating shaft that is movable up and down along a fixed U-shaped groove, and that rotates toward the card in conjunction with the sliding body;
An urging means for returning the contact block to the initial position together with the sliding body as the card is removed;
In an IC card reader having a contact block mechanism comprising a plurality of contact springs that elastically contact the card,
An inclined portion provided on the sliding body and formed to move toward the card insertion side, and a horizontal portion extending in parallel with the card insertion direction from the inclined portion, and engages with the operating shaft to An opening for releasing the operating shaft when the sliding body is further moved against the urging force of the urging means is continuously formed in the guide groove for controlling the rotation of the contact block. ,
Furthermore, a card stopper that regulates the reading position of the card is provided on the outer side in the card width direction with respect to the engaging protrusion of the sliding body ,
When the card is stopped by the card stopper, the operating shaft is positioned at the horizontal portion of the sliding body, and when the sliding body is further moved, the operating shaft is moved through the opening of the sliding body. An IC card reader characterized by being released .
前記付勢部材は圧縮コイルバネとしたことを特徴とする請求項1に記載のICカードリーダ。 2. The IC card reader according to claim 1, wherein the urging member is a compression coil spring. 前記案内溝の外側に前記作動軸の軸方向移動に対する阻止手段を設けたことを特徴とする請求項1に記載のICカードリーダ。 2. The IC card reader according to claim 1, wherein a blocking means against axial movement of the operating shaft is provided outside the guide groove.
JP2001300180A 2001-09-28 2001-09-28 IC card reader Expired - Fee Related JP4080192B2 (en)

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JP2001300180A JP4080192B2 (en) 2001-09-28 2001-09-28 IC card reader
CN02143943A CN1410936A (en) 2001-09-28 2002-09-26 IC card reader
KR10-2002-0058647A KR100503014B1 (en) 2001-09-28 2002-09-27 Ic card reader

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JP4150289B2 (en) * 2003-05-13 2008-09-17 日本電産サンキョー株式会社 IC card reader
JP5430495B2 (en) * 2010-05-27 2014-02-26 日本電産サンキョー株式会社 Card reader
JP6408967B2 (en) * 2015-08-19 2018-10-17 日本電産サンキョー株式会社 Card reader
US10185845B2 (en) 2015-08-19 2019-01-22 Nidec Sankyo Corporation Card reader and magnetic information recording medium processing device
CN111128935B (en) * 2020-01-07 2021-06-18 顺德职业技术学院 Chip pin reader
CN112488267A (en) * 2020-12-22 2021-03-12 楚天龙股份有限公司 Multipurpose intelligent card reader and read-write method thereof
CN113850959B (en) * 2021-09-06 2023-07-04 南京源码盛晟软件技术有限公司 Application system and equipment for acquiring information for logistics

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JPH06309513A (en) * 1993-04-23 1994-11-04 Omron Corp Ic card connector
JPH0728960A (en) * 1993-07-09 1995-01-31 Toshiba Corp Information processor for ic card
JPH11282973A (en) * 1998-03-30 1999-10-15 Anritsu Corp Ic card processor

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CN1410936A (en) 2003-04-16
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KR20030027779A (en) 2003-04-07

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