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JP4278967B2 - Cylinder display device - Google Patents

Cylinder display device Download PDF

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Publication number
JP4278967B2
JP4278967B2 JP2002352896A JP2002352896A JP4278967B2 JP 4278967 B2 JP4278967 B2 JP 4278967B2 JP 2002352896 A JP2002352896 A JP 2002352896A JP 2002352896 A JP2002352896 A JP 2002352896A JP 4278967 B2 JP4278967 B2 JP 4278967B2
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Japan
Prior art keywords
symbol display
driven wheel
swing
shaft
swing guide
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JP2002352896A
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Japanese (ja)
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JP2004181005A (en
Inventor
恵介 渡邊
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Heiwa Corp
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Heiwa Corp
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Description

【0001】
【発明の属する技術分野】
本発明はスロットマシンやパチンコ機などの遊技機に用いられる回胴表示装置に関する。
【0002】
【従来の技術】
駆動輪と従動輪とに無端帯状の図柄表示体を巻き掛け、駆動輪をステップモータで駆動して図柄表示体を回転させるベルトタイプの回胴表示装置が知られている(例えば、特許文献1参照)。
【0003】
【特許文献1】
特開2001−293128号公報
【0004】
【発明が解決しようとする課題】
しかしながら、特許文献1では、従動軸の駆動輪と間の距離が一定であり、駆動輪と従動輪とに対する図柄表示体の着脱作業が大変であった。
本発明は、駆動輪と従動輪とに対する図柄表示体の着脱作業を容易にできる回胴表示装置を提供する。
【0005】
【課題を解決するための手段】
本発明による回胴表示装置は、機構本体の第1の側にモータを取付け、このモータを取り巻く駆動輪の取付部をモータの出力軸に結合する一方、機構本体の第2の側に従動輪を駆動輪と相対峙させて回転可能に取付け、これら駆動輪と従動輪とに無端帯状の図柄表示体を回転可能に巻き掛けた回胴表示装置において、従動輪と駆動輪との距離を図柄表示体の回転時よりも狭くして図柄表示体を機構本体の片側で駆動輪と従動輪とに着脱可能とする着脱操作機構を備え、上記着脱操作機構は、揺動中心シャフトと揺動案内シャフトとベース側ばね係留部とを有して上記従動輪の回転中心を回転可能に支持するベースと、軸受孔と機構本体側ばね係留部と上記軸受孔を中心とした弧状に形成された揺動案内シャフト用揺動案内孔及びベース側ばね係留部用揺動案内孔とを有した上記機構本体と、上記ベース側ばね係留部用揺動案内孔内を移動可能なように取付けられた上記ベース側ばね係留部と上記機構本体側ばね係留部とに連結されたばねとを有して構成され、上記揺動中心シャフトは上記軸受孔に回転可能に取付けられ、上記揺動案内シャフトは上記揺動案内シャフト用揺動案内孔内を移動可能に取付けられ、上記ベースは、上記ばねのばね力を受けることによって、上記駆動輪と上記従動輪とに巻き掛けられた上記図柄表示体を張る方向に上記従動輪を移動させるとともに上記揺動中心シャフトを回転中心として揺動可能に維持され、かつ、上記ベース側ばね係留部を上記ばねに抗して上記ベース側ばね係留部用揺動案内孔内で移動させた場合には、上記図柄表示体を上記駆動輪と上記従動輪とに着脱できるように上記揺動中心シャフトを回転中心として揺動して上記従動輪を上記駆動輪に近づく方向に移動させるので、駆動輪と従動輪とに対する図柄表示体の着脱作業を容易にできる。また、回転時において、従動輪に無理な力が加わっても揺動中心シャフトを中心として揺動案内シャフト,ベース側ばね係留部が揺動案内孔を介して動くことでベースが上下方向に揺動可能となるので、図柄表示体に常にばねによる適切なテンションを与えながら図柄表示体を回転させることができ、図柄表示体を安定に回転させることができる。また、ベースの三角形状の1つの隅部に揺動中心シャフトが設けられ、三角形状の別の2つの隅部に揺動案内シャフトが個別に設けられ同一の揺動案内シャフト用揺動案内孔内に取付けられたものとしたので、2つの揺動案内シャフトの設置間隔が最大となり、ベースの上下移動の確実性及びベースの左右方向のガタツキ防止効果をより一層向上させることができ、図柄表示体を安定に回転させることができる。
【0006】
【発明の実施の形態】
図1から図3は本発明の実施形態を示す図であって、図1は回胴表示装置91を構成する1組の図柄表示機構1を分解して示した図、図2は図柄表示機構1を横側から見た斜視図、図3は回胴表示装置91の外観図である。
【0007】
図1を参照し、図柄表示機構1について説明する。図柄表示機構1の図柄表示体2は、例えばウレタン系エラストマー(ウレタン系ゴム弾性体)または熱可塑性エラストマー(例えば、東レ・デュポン株式会社製の商品名ハイトレル(登録商標))またはポリカーボネート等の材料を主成分とした乳白色の透光性を有する帯状の両端を互いに接続したような形状の無端状に形成されたものである。図柄表示体2は、ウレタン系エラストマーまたは熱可塑性エラストマーまたはポリカーボネート等の材料を主成分とした帯状の両端を両面粘着材または溶剤系接着剤などの接着剤で互いに接続してもよいが、成形型で無端状に形成すれば、図柄表示体2の無端状の形状保持性能が高くなる。
【0008】
図柄表示体2は、複数の種類の異なる図柄4を周方向に一定間隔または所定間隔に配置した状態で備える。図柄4がイソシアネート硬化による二液反応形の速乾性インキを用いた印刷でされれば、図柄表示体2との親和性もよく、図柄4の耐久性も向上する。図柄表示体2が透光性を有するので、図柄表示体2の内側面2aの方向から図柄表示体2の2本の仮想線L1,L2で挟まれた図柄表示領域に投光して図柄4を照明表示することができる。
【0009】
図柄表示体2の内側面2aにおける図柄表示領域よりも外側に位置する両端部(周方向と直交する帯幅方向の両端の部分)には動力伝達部5を備える。動力伝達部5は凹部6と凸部7とが図柄表示体2の周方向に一定間隔で交互に連続したタイミングベルト状の形態である。凸部7は図柄表示体2の内側面2aから図柄表示体2の径方向内側に突出し、凹部6は周方向に隣接する2つの凸部7の互いに向き合う斜面と当該2つの凸部7の間における図柄表示体2の内側面2aとで形成される。動力伝達部5は、図柄表示体2と一緒に成形型で図柄表示体2の内側面2aに形成すれば、図柄表示体2と動力伝達部5とが1つにまとまった単一体となり、それの一体性が増す。図柄表示体2の仮想線L1,L2で挟まれた図柄表示領域に図柄4を設け、図柄表示体2の図柄表示領域よりも外側に位置する両端部に動力伝達部5を設けたので、図柄4と動力伝達部5とが重なり合わないように領域分けされて配置されて、図柄4を表示する部分の厚さを一様とすることができ、図柄4の見栄えがよくなる。
【0010】
駆動輪11は、薄肉な円筒状の周壁の中央部を周方向に間欠的に中抜きされているとともに軸方向(帯幅方向)に両側に存在する円形帯状の端部12,12を中抜きによる残存した複数本のステー13で互いに結合したかご形になっている。端部12の外周面側には動力伝達部14を有する。動力伝達部14の凹部15は端部12の外周面から内部に窪み、凹部15の軸方向外側は開放されている。動力伝達部14の凸部16は周方向に隣接する2つの凹部15の互いに向き合う斜面と当該2つの凹部15の間における端部12の外周面とで形成される。複数のステー13にはハブ17が各端部12,12の間の中央よりも一方に片寄る位置で支持部材3により結合されている。ハブ17の中心部には小判形の異形孔に形成されたモータ出力軸取付部18を備える。
駆動輪11の軸方向両端側、即ち、各端部12,12の外周面に、図柄表示体側係合部としての凹部6と係合する駆動輪側係合部としての複数の凸部16を凹部15を介して周方向に均等な間隔を隔てて設け、この互いに隣り合う凸部16,16間の間隔を互いに隣り合う凹部6,6間の間隔より広くした。即ち、複数の駆動輪側係合部としての各凸部16を、均等な間隔を隔てて設けられた複数の図柄表示体側係合部としての各凹部6に対して間欠的に係合するように設けたので、駆動輪11と図柄表示体2の凹凸係合数を少なくでき凹凸部間の係合摩擦を小さくできるので、モータの回転負荷を軽減でき、駆動輪11を駆動するモータとして出力の小さいモータを使用できるようになる。
【0011】
従動輪21は、薄肉な円筒状の周壁の中央部を周方向に間欠的に中抜きされているとともに軸方向(帯幅方向)に両側に存在する円形帯状の端部22,22を中抜きによる残存した複数本のステー23で互いに結合したかご形になっている。ただし、従動輪21は、各端部22,22の外周面に図柄表示体側係合部としての凹部6及び凸部7に係合する凸部及び凹部を備えない構成とした。即ち、各端部22の軸方向内側には大輪部24を有し、この大輪部24の軸方向外側には、この大輪部24より若干小径で上記図柄表示体2の幅方向両側の内側面2aに形成された図柄表示体側係合部が対応する小輪部25を有し、従動輪21の回転中心を中心とする真円形帯状の小輪部25の外周面は平坦な円周面に形成されている。よって、駆動輪11の駆動力により図柄表示体2が回転すると、図柄表示体2の内側面2aと従動輪21の大輪部24の外周面との接触あるいは図柄表示体2の内側面2aの凸部7と小輪部25の外周面との接触により従動輪21も回転するが、このとき、凹凸係合による係合摩擦が生じないので、モータの回転負荷を軽減でき、駆動輪11を駆動するモータとして出力の小さいモータを使用できるようになる。尚、支持軸82が装着される従動輪21の軸受部27はステー23に連結された支持部材3Bで支持されている。
【0012】
ステップモータ31はモータ軸32,33がモータボディ34の軸方向両端に突出した両軸タイプになっている。一方のモータ軸32(モータの出力軸)は外周面が2つの平坦で平行な切欠面32aを有する異形であって、駆動輪11のハブ17から離れた端部12の方向からモータ出力軸取付部18に挿入されて一緒に回転するようにハブ17に装着され、駆動輪11が一方のモータ軸32に一緒に回転するように結合される。
【0013】
このように駆動輪11と一方のモータ軸32とが結合された場合、モータボディ34の大半が駆動輪11の内部に非接触な状態で取り込まれる。モータボディ34の端部に設けられたブラケット37の側に突出した他方のモータ軸33がモータ取付ピース41に形成された逃孔42に挿入され、ブラケット37が逃孔42周りのモータ取付ピース41の外側面に接触し、ブラケット37とモータ取付ピース41とが図外の止ねじで互いに締結されることによって、モータボディ34とモータ取付ピース41とが互いに結合される。
【0014】
他方のモータ軸33は外周面に1つの平坦な切欠面を有する異形であって、他方のモータ軸33は小径な歯車51の中心に形成された半円形状の異形な取付孔52に挿入されて、他方のモータ軸33には小径な歯車51が一緒に回転するように装着される。モータ取付ピース41の逃孔42周りに固定的に取り付けられたシャフト43には小径な歯車51に噛み合わせられる大径な歯車61が回転可能に装着され、大径な歯車61よりも外側に突出したシャフト43には図外の止輪が装着されて、大径な歯車61がシャフト43から抜け止めされる。
【0015】
大径な歯車61にはステップモータ31の原点位置を検出するための被検出体62が図外の止ねじで一緒に回転するように取り付けられる。シャフト43よりも下部に形成された切欠部44周りのモータ取付ピース41にはステップモータ31の原点位置を検出するための検出器63の設けられた基板64が図外の止ねじで取り付けられることによって、検出器63が切欠部44に非接触に配置される。検出器63は他方のモータ軸33の回転に伴い、小径な歯車51と大径な歯車61とを介して被検出体62が検出器63を非接触に通過するごとに、検出器63がステップモータ31の原点位置としての検出信号を図外の制御装置に出力する。
【0016】
駆動輪11、ステップモータ31、小径な歯車51、大径な歯車61、シャフト43、基板64、検出器63、被検出体62が組み合わされたモータ取付ピース41が縦長な土台としての板状の機構本体71の上部に図外の止ねじで取り付けられることによって、モータ取付ピース41が機構本体71の上部に形成された開口部72を閉鎖する。モータ取付ピース41には検出器63から延設された配線を通すための配線孔73が開口部72の周囲に位置するように形成される
【0017】
従動輪21の軸受部27は従動輪取付ベース81に固定的に設けられた支持軸82に挿入され、軸受部27から突出した支持軸82の端部には図外の止輪が装着され、従動輪21が支持軸82から抜け止めされる。
【0018】
従動輪取付ベース81はシャフト83と基準軸部84A(揺動中心シャフト)と2個のスライダ84,84(揺動案内シャフト)とばね係留部85(ベース側ばね係留部)とを備える。シャフト83は機構本体71の下部に従動輪21の方向に膨出するように形成された従動輪取付部70に形成された弧状逃長孔76に挿入されて弧状逃長孔76内を移動可能になっている。基準軸部84Aは従動輪取付部70に形成された軸受孔74Aに挿入された後、基準軸部84Aに止具86Aが取付けられて抜止めされ、基準軸部84Aが軸受孔74Aを介して回転可能に取付けられている。スライダ84,84は従動輪取付部70に形成された弧状逃長孔74(揺動案内孔)に挿入された後、スライダ84に止具86が取付けられて抜止めされ、スライダ84,84が弧状逃長孔74内を摺動移動可能になっている。ばね係留部85は従動輪取付部70に形成された弧状逃長孔75(揺動案内孔)に挿入され弧状逃長孔75内を移動可能になっている。弧状逃長孔74,75,76は基準軸部84Aの軸受孔74Aを中心とする弧状に形成されている。以上により、従動輪21を回転可能に支持した従動輪取付ベース81と従動輪取付部70とが互いに組み付けられる。
【0019】
従動輪取付ベース81のばね係留部85と従動輪取付部70に設けられたばね係留部77(機構本体側ばね係留部)とにコイルスプリングのようなばね78が掛け止められている。このばね78が従動輪取付ベース81を機構本体71の上部に取付られた駆動輪11との軸間隔を広げる方向に引っ張ることで、図柄表示体2が駆動輪11と従動輪21とに巻き掛けられる。即ち、ばね78により、従動輪21が図柄表示体2を張る方向のばね力が従動輪取付ベース81に付与される。
【0020】
そして、ステップモータ31が電力供給で回転駆動すると、図柄表示体2がばね78のばね力によるテンションを受けつつ図柄表示体2の動力伝達部5と駆動輪11の動力伝達部14との噛み合わせにより適切に回転する。回転時においては、従動輪21に無理な力が加わっても基準軸部84Aを中心としてスライダ84,84、ばね係留部85、シャフト83が弧状逃長孔74,75,76を介して動くことで従動輪取付ベース81が上下方向に揺動可能となるので、図柄表示体2に常にばね78による適切なテンションを与えながら図柄表示体2を回転させることができ、図柄表示体2を安定に回転させることができる。
【0021】
ばね78に抗してばね係留部85を上方に移動するように人が操作すれば従動輪取付ベース81が上方に移動して駆動輪11と従動輪21との間隔が狭くなるので、図柄表示体2を駆動輪11及び従動輪21より簡単に取り外すことができる。即ち、従動輪21と駆動輪11との距離を狭くする方向にばね係留部85を操作することにより、図柄表示体2を駆動輪11と従動輪21に対して図柄表示体2を簡単に着脱できる。よって、図柄表示体2の取付時、交換時の作業が容易になる。
【0022】
尚、従動輪取付ベース81は三角形状に形成されており、三角形状の1つの隅部に基準軸部84Aが設けられ、三角形状における別の2つの隅部にスライダ84,84が個別に設けられている。即ち、2つのスライダ84,84が上下に離れて設けられている。このように、2つのスライダ84,84を上下に離して設けたので、スライダ84,84による機構本体71に対する従動輪取付ベース81の上下移動が確実になり、また、スライダ84,84が止具86で止められているので、従動輪取付ベース81の左右方向のガタツキを少なくでき、図柄表示体2を安定に回転させることができる。また、従動輪取付ベース81は三角形状のもので形成したので、円形や方形に比べて軽量化が図れて図柄表示体2を安定に回転させることができる。また、三角形状の2つの隅部に2つのスライダ84,84が個別設けられているので、2つのスライダ84,84の間隔が最大となり、上記上下移動の確実性及び従動輪取付ベース81の左右方向のガタツキ防止効果をより一層向上させることができ、図柄表示体2をさらに安定に回転させることができる。
【0023】
機構本体71は機構本体71の下部から内側に折り曲げられた底壁71a、底壁71aの前部から下方に折り曲げられた下機構取付部71b、機構本体71の上部前側から内側に折り曲げられた延設部71c、延設部71cの前部から上方に折り曲げられた上前機構取付部71d、機構本体71の上部後側から内側に折り曲げられた上後機構取付部71e、機構本体71の後部から内側に折り曲げられた補強部71fを備える。底壁71aおよび補強部71fが互いに結合されれば、機構本体71の強度が一層高くなる。下機構取付部71bには位置決め孔71gおよび取付孔71hを備え、上前機構取付部71dには取付孔71iを備える。
【0024】
組み立てられた図柄表示機構1を3個用いて構成された回胴表示装置91について説明する。図3に示すように、回胴表示装置91は図柄表示機構1を収納し得る大きさの前方左右開放状の躯体92を備える。躯体92は上壁93の後部に左右で相対峙する2本の切込94を介して内側に向けて突出するように押し出された係合部95、上壁93の前部から上方に折り曲げられた上フランジ96、底壁71aの前部から下方に折り曲げられた下フランジ97を備える。
【0025】
そして、図柄表示機構1が躯体92の内部に挿入され、図柄表示機構1の下機構取付部71bおよび上前機構取付部71dが躯体92の上フランジ96および下フランジ97の前側に配置され、下フランジ97に設けられた突起98と下機構取付部71bの位置決め孔71gとが互いに嵌め込まれ、機構本体71の上後機構取付部71eが躯体92の上壁93の内側面から一方の切込94、係合部95の上、他方の切込94を順に経由して上壁93の内側面に接触するように係合部95に嵌め込まれる一方、下機構取付部71bおよび上前機構取付部71dを図外の止ねじで上フランジ96および下フランジ97に締結することによって、3個の図柄表示機構1が躯体92に取り付けられる。また、機構本体71と対象形に形成された側壁99が機構本体71と同様に躯体92に取り付けられる。これによって、機構本体71と躯体92および側壁99で囲まれた前方開放状の空間に3個の図柄表示機構1の図柄表示体2が配置された回胴表示装置91となる。
【0026】
尚、実施形態では、内側面2aの両端にタイミングベルト状の連続凹凸部を設けた図柄表示体2を用いた場合を説明したが、本発明は特許文献1に示すスプロケットタイプにも適用できる。つまり、図柄表示体の幅方向の両端部((図柄表示領域外)にその回転方向に沿って所定の間隔を隔てて孔をあけ、駆動輪には上記孔間の間隔と同間隔で突起を設け、この突起を上記孔に係合させてモータの動力を図柄表示体に伝達することにより図柄表示体を回転駆動するスプロケットタイプに適用しても同様な効果が得られる。
また、実施形態では、三角形状の従動輪取付ベース81と、このベース81に設けられた基準軸部84Aとスライダ84,84とばね係留部85と、機構本体71に形成された軸受孔74Aと弧状逃長孔74,75,76とばね係留部77と、ばね係留部77とばね係留部85に掛け止めされてこれらを連結するばね78とにより着脱操作機構を構成したが、着脱操作機構は、従動軸21と駆動輪11との距離を図柄表示体2の回転時より狭くできて図柄表示体2を機構本体71の片側で駆動輪11と従動輪21とに着脱可能とする機構であればよい。例えば、従動輪取付ベースの位置を図柄表示体の着脱時と回転時において変更できる機構であればよい。
【図面の簡単な説明】
【図1】 本発明の実施形態による回胴表示装置の図柄表示機構を示す分解斜視図。
【図2】 図柄表示機構を横側から見た斜視図。
【図3】 回胴表示装置の外観を示す斜視図。
【符号の説明】
1 図柄表示機構、2 図柄表示体、11 駆動輪、
18 モータ出力軸取付部(駆動輪の取付部)、21 従動輪、
31 ステップモータ(モータ)、32 モータ軸(モータの出力軸)、
71 機構本体、74A 軸受孔、74,75,76 弧状逃長孔(揺動案内孔)、77 ばね係留部(機構本体側ばね係留部)、78 ばね、81 従動輪取付ベース(ベース)、84A 基準軸部(揺動中心シャフト)、84 スライダ(揺動案内シャフト)、85 ばね係留部(ベース側ばね係留部)。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a spinning cylinder display device used in a gaming machine such as a slot machine or a pachinko machine.
[0002]
[Prior art]
A belt-type spinning display device is known in which an endless belt-like symbol display body is wound around a driving wheel and a driven wheel, and the driving wheel is driven by a step motor to rotate the symbol display body (for example, Patent Document 1). reference).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-293128
[Problems to be solved by the invention]
However, in Patent Document 1, the distance between the driven wheel and the driven wheel is constant, and it is difficult to attach and detach the symbol display body to and from the driven wheel and the driven wheel.
The present invention provides a swivel display device that can easily attach and detach a symbol display body to and from a driving wheel and a driven wheel.
[0005]
[Means for Solving the Problems]
In the rotary display device according to the present invention, a motor is mounted on the first side of the mechanism main body, and a drive wheel mounting portion surrounding the motor is coupled to the output shaft of the motor, while a driven wheel on the second side of the mechanism main body. In a rotating display device in which an endless belt-shaped symbol display body is rotatably wound around the driving wheel and the driven wheel, the distance between the driven wheel and the driving wheel is determined. comprising a detachable operating mechanism which can be removably mounted on the one side with the drive wheels and the driven wheels of the mechanism body the symbol display member is narrower than when the rotation of the display member, the detachable operating mechanism, the swing center shaft and swing guide A base having a shaft and a base-side spring mooring portion that rotatably supports the center of rotation of the driven wheel, a bearing hole, a mechanism body-side spring mooring portion, and a rock formed in an arc shape around the bearing hole. Swing guide hole for dynamic guide shaft and base side spring The mechanism main body having an anchoring portion swing guide hole, the base side spring anchoring portion attached so as to be movable in the base side spring anchoring portion swing guide hole, and the mechanism main body side spring anchoring. And the swing center shaft is rotatably attached to the bearing hole, and the swing guide shaft is movable in the swing guide hole for the swing guide shaft. The base is moved by the spring force of the spring to move the driven wheel in a direction in which the symbol display body wound around the driving wheel and the driven wheel is stretched and the swing center. When the base side spring mooring part is moved in the base side spring mooring part rocking guide hole against the spring, the symbol display is displayed. Body above the driving wheel Since moving swings as the center of rotation of the swing central shaft so as to be detachable to and the driven wheel the driven wheel in a direction approaching to the drive wheel, attachment and detachment of the symbol display member for a driving wheel and a driven wheel Can be easily done . Also, during rotation, swing guide shaft about the swing center shaft be subjected to any excessive force to the driven wheels, base in the vertical direction by the base-side spring anchoring portion moves through the swing guide hole Since the swing is possible, the symbol display body can be rotated while always applying an appropriate tension by a spring to the symbol display body, and the symbol display body can be stably rotated . Also, the swing center shaft is provided at one corner of the base of the triangle, two other swing guide shaft corners of triangular swing guide for same swing guide shaft provided separately Since it is installed in the hole, the installation interval of the two swing guide shafts is maximized, and the reliability of the vertical movement of the base and the effect of preventing the rattling of the base in the horizontal direction can be further improved. The display body can be rotated stably.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 to FIG. 3 are views showing an embodiment of the present invention. FIG. 1 is an exploded view of a set of symbol display mechanisms 1 constituting a rotary display device 91. FIG. 2 is a symbol display mechanism. FIG. 3 is a perspective view of 1 as seen from the side, and FIG.
[0007]
The symbol display mechanism 1 will be described with reference to FIG. The symbol display body 2 of the symbol display mechanism 1 is made of a material such as urethane elastomer (urethane rubber elastic body), thermoplastic elastomer (for example, trade name Hytrel (registered trademark) manufactured by Toray DuPont Co., Ltd.) or polycarbonate. It is formed in an endless shape in which both ends of a milky white translucent band having a main component are connected to each other. The pattern display body 2 may be formed by connecting both ends of a strip mainly composed of a material such as a urethane-based elastomer, a thermoplastic elastomer, or a polycarbonate with an adhesive such as a double-sided adhesive or a solvent-based adhesive. The endless shape retention performance of the symbol display body 2 is enhanced.
[0008]
The symbol display body 2 includes a plurality of different types of symbols 4 arranged in the circumferential direction at regular intervals or at predetermined intervals. If the pattern 4 is printed using a two-component reactive quick-drying ink by isocyanate curing, the affinity with the pattern display body 2 is good and the durability of the pattern 4 is improved. Since the symbol display body 2 has translucency, the symbol display area 2 is projected from the direction of the inner surface 2a of the symbol display body 2 to the symbol display area sandwiched between the two virtual lines L1 and L2 of the symbol display body 2. Can be illuminated.
[0009]
Power transmission portions 5 are provided at both ends (the portions at both ends in the width direction orthogonal to the circumferential direction) located outside the symbol display area on the inner side surface 2 a of the symbol display body 2. The power transmission unit 5 is in the form of a timing belt in which the concave portions 6 and the convex portions 7 are alternately continued at regular intervals in the circumferential direction of the symbol display body 2. The convex part 7 projects inward in the radial direction of the symbol display body 2 from the inner side surface 2 a of the symbol display body 2, and the concave part 6 is between the inclined surfaces facing each other of the two convex parts 7 adjacent in the circumferential direction and the two convex parts 7. And the inner side surface 2a of the symbol display body 2. If the power transmission part 5 is formed on the inner side surface 2a of the symbol display body 2 with a molding die together with the symbol display body 2, the symbol display body 2 and the power transmission part 5 become a single body. The unity of increases. Since the symbol 4 is provided in the symbol display area sandwiched between the virtual lines L1 and L2 of the symbol display body 2, and the power transmission parts 5 are provided at both ends located outside the symbol display area of the symbol display body 2, 4 and the power transmission unit 5 are arranged so as not to overlap each other, so that the thickness of the part displaying the symbol 4 can be made uniform, and the appearance of the symbol 4 is improved.
[0010]
The driving wheel 11 is intermittently hollowed in the center of a thin cylindrical peripheral wall in the circumferential direction, and the circular belt-shaped end portions 12 and 12 existing on both sides in the axial direction (bandwidth direction) are hollowed out. The remaining plurality of stays 13 are connected to each other in a cage shape. A power transmission portion 14 is provided on the outer peripheral surface side of the end portion 12. The recess 15 of the power transmission unit 14 is recessed from the outer peripheral surface of the end 12 to the inside, and the outer side in the axial direction of the recess 15 is open. The convex part 16 of the power transmission part 14 is formed by the slopes of the two concave parts 15 adjacent to each other in the circumferential direction and the outer peripheral surface of the end part 12 between the two concave parts 15. A hub 17 is coupled to the plurality of stays 13 by the support member 3 at a position that is offset to one side from the center between the end portions 12 and 12. A central portion of the hub 17 is provided with a motor output shaft mounting portion 18 formed in an oval shaped irregular hole.
A plurality of convex portions 16 as driving wheel side engaging portions that engage with the concave portions 6 as the symbol display body side engaging portions are provided on both axial ends of the driving wheel 11, that is, on the outer peripheral surfaces of the end portions 12 and 12. The recesses 15 are provided at equal intervals in the circumferential direction, and the interval between the adjacent protrusions 16 and 16 is made wider than the interval between the adjacent recesses 6 and 6. That is, each convex part 16 as a plurality of driving wheel side engaging parts is intermittently engaged with each concave part 6 as a plurality of symbol display body side engaging parts provided at equal intervals. Therefore, the number of concave and convex engagements between the driving wheel 11 and the symbol display body 2 can be reduced, and the engagement friction between the concave and convex portions can be reduced, so that the rotational load of the motor can be reduced and output as a motor for driving the driving wheel 11. A small motor can be used.
[0011]
The driven wheel 21 is intermittently hollowed in the center of a thin cylindrical peripheral wall in the circumferential direction and has circular band-shaped end portions 22, 22 existing on both sides in the axial direction (band width direction). A plurality of remaining stays 23 are connected to each other to form a cage. However, the driven wheel 21 has a configuration in which the outer peripheral surface of each of the end portions 22 and 22 does not include the convex portion and the concave portion that engage with the concave portion 6 and the convex portion 7 as the symbol display body side engaging portion. That is, each end 22 has a large ring portion 24 on the inner side in the axial direction, and on the outer side in the axial direction of the large ring portion 24, the inner surfaces on both sides in the width direction of the symbol display body 2 having a slightly smaller diameter than the large ring portion 24. The symbol display body side engaging part formed on 2a has a corresponding small ring part 25, and the outer peripheral surface of the round-shaped small ring part 25 centered on the rotation center of the driven wheel 21 is a flat circumferential surface. Is formed. Therefore, when the symbol display body 2 is rotated by the driving force of the driving wheel 11, the contact between the inner side surface 2a of the symbol display body 2 and the outer peripheral surface of the large ring portion 24 of the driven wheel 21 or the convexity of the inner side surface 2a of the symbol display body 2 is achieved. The driven wheel 21 is also rotated by the contact between the portion 7 and the outer peripheral surface of the small wheel portion 25. At this time, however, the engagement friction due to the uneven engagement does not occur, so the rotational load of the motor can be reduced and the driving wheel 11 is driven. As a motor to be used, a motor with a small output can be used. The bearing portion 27 of the driven wheel 21 to which the support shaft 82 is attached is supported by a support member 3B connected to the stay 23.
[0012]
The step motor 31 is a double-axis type in which motor shafts 32 and 33 protrude from both ends of the motor body 34 in the axial direction. One motor shaft 32 (motor output shaft) has an outer peripheral surface with two flat and parallel notched surfaces 32a, and the motor output shaft is mounted from the direction of the end 12 away from the hub 17 of the drive wheel 11. Inserted into the portion 18 and mounted on the hub 17 so as to rotate together, the drive wheel 11 is coupled to one motor shaft 32 so as to rotate together.
[0013]
When the drive wheel 11 and the one motor shaft 32 are coupled in this way, most of the motor body 34 is taken into the drive wheel 11 in a non-contact state. The other motor shaft 33 protruding toward the bracket 37 provided at the end of the motor body 34 is inserted into an escape hole 42 formed in the motor attachment piece 41, and the bracket 37 is attached to the motor attachment piece 41 around the escape hole 42. The motor body 34 and the motor mounting piece 41 are coupled to each other by the bracket 37 and the motor mounting piece 41 being fastened to each other by a set screw (not shown).
[0014]
The other motor shaft 33 is an irregular shape having one flat notch surface on the outer peripheral surface, and the other motor shaft 33 is inserted into a semicircular irregular mounting hole 52 formed at the center of the small-diameter gear 51. A small gear 51 is mounted on the other motor shaft 33 so as to rotate together. A shaft 43 fixedly mounted around the escape hole 42 of the motor mounting piece 41 is rotatably mounted with a large-diameter gear 61 that meshes with the small-diameter gear 51 and protrudes outward from the large-diameter gear 61. A retaining ring (not shown) is attached to the shaft 43 so that the large-diameter gear 61 is prevented from coming off the shaft 43.
[0015]
A detected object 62 for detecting the origin position of the step motor 31 is attached to the large-diameter gear 61 so as to rotate together with a set screw (not shown). A substrate 64 provided with a detector 63 for detecting the origin position of the step motor 31 is attached to a motor mounting piece 41 around a notch 44 formed below the shaft 43 with a set screw (not shown). Thus, the detector 63 is disposed in a non-contact manner on the notch 44. Each time the detected object 62 passes through the detector 63 in a non-contact manner through the small-diameter gear 51 and the large-diameter gear 61 as the other motor shaft 33 rotates, the detector 63 performs a step. A detection signal as the origin position of the motor 31 is output to a control device (not shown).
[0016]
The motor mounting piece 41 in which the drive wheel 11, the step motor 31, the small diameter gear 51, the large diameter gear 61, the shaft 43, the substrate 64, the detector 63, and the detected body 62 are combined is a plate-like shape as a vertically long base. The motor attachment piece 41 closes the opening 72 formed in the upper part of the mechanism main body 71 by being attached to the upper part of the mechanism main body 71 with a set screw (not shown). The motor mounting piece 41 is formed with a wiring hole 73 for passing the wiring extending from the detector 63 so as to be positioned around the opening 72.
The bearing portion 27 of the driven wheel 21 is inserted into a support shaft 82 fixedly provided on the driven wheel mounting base 81, and a retaining ring (not shown) is attached to the end of the support shaft 82 protruding from the bearing portion 27. The driven wheel 21 is prevented from coming off from the support shaft 82.
[0018]
The driven wheel mounting base 81 includes a shaft 83, a reference shaft portion 84A (swing center shaft), two sliders 84 and 84 (swing guide shaft), and a spring mooring portion 85 (base side spring mooring portion). The shaft 83 is inserted into an arc-shaped escape hole 76 formed in a driven-wheel mounting portion 70 formed so as to bulge in the direction of the driven wheel 21 at the lower part of the mechanism body 71 and can move in the arc-shaped escape hole 76. It has become. After the reference shaft portion 84A is inserted into the bearing hole 74A formed in the driven wheel attachment portion 70, a stopper 86A is attached to the reference shaft portion 84A to prevent the reference shaft portion 84A from passing through the bearing hole 74A. It is mounted rotatably. After the sliders 84 and 84 are inserted into the arc-shaped escape holes 74 (swing guide holes) formed in the driven wheel mounting portion 70, a stopper 86 is attached to the slider 84 to prevent the sliders 84 and 84 from being removed. Sliding movement is possible in the arc-shaped escape hole 74. The spring mooring portion 85 is inserted into an arc-shaped escape hole 75 (swing guide hole) formed in the driven wheel mounting portion 70 and can move in the arc-shaped escape hole 75. The arc-shaped escape holes 74 , 75, 76 are formed in an arc shape centered on the bearing hole 74A of the reference shaft portion 84A. Thus, the driven wheel mounting base 81 and the driven wheel mounting portion 70 that rotatably support the driven wheel 21 are assembled to each other.
[0019]
A spring 78 such as a coil spring is latched to a spring mooring portion 85 of the driven wheel mounting base 81 and a spring mooring portion 77 (mechanism main body side spring mooring portion) provided in the driven wheel mounting portion 70. The spring 78 pulls the driven wheel mounting base 81 in the direction of increasing the axial distance from the driving wheel 11 mounted on the upper part of the mechanism main body 71, so that the symbol display body 2 is wound around the driving wheel 11 and the driven wheel 21. It is done. That is, a spring force in a direction in which the driven wheel 21 stretches the symbol display body 2 is applied to the driven wheel mounting base 81 by the spring 78.
[0020]
When the step motor 31 is driven to rotate by power supply, the symbol display body 2 is engaged with the power transmission portion 5 of the symbol display body 2 and the power transmission portion 14 of the drive wheel 11 while receiving tension from the spring force of the spring 78. Rotate properly. During rotation, even if an excessive force is applied to the driven wheel 21, the sliders 84, 84, the spring mooring portion 85, and the shaft 83 move about the reference shaft portion 84 </ b> A through the arc-shaped escape holes 74, 75, 76. Since the driven wheel mounting base 81 can swing in the vertical direction, the symbol display body 2 can be rotated while always applying an appropriate tension to the symbol display body 2 by the spring 78, so that the symbol display body 2 can be stabilized. Can be rotated.
[0021]
If a person operates to move the spring mooring portion 85 upward against the spring 78, the driven wheel mounting base 81 moves upward and the distance between the drive wheel 11 and the driven wheel 21 becomes narrower. The body 2 can be easily removed from the driving wheel 11 and the driven wheel 21. That is, the symbol display body 2 is easily attached to and detached from the drive wheel 11 and the driven wheel 21 by operating the spring mooring portion 85 in the direction of narrowing the distance between the driven wheel 21 and the driving wheel 11. it can. Therefore, when the symbol display body 2 is attached, the work at the time of replacement becomes easy.
[0022]
The driven wheel mounting base 81 is formed in a triangular shape, and a reference shaft portion 84A is provided at one corner of the triangle, and sliders 84 and 84 are provided separately at two other corners of the triangle. It has been. That is, the two sliders 84 and 84 are provided apart from each other in the vertical direction. As described above, since the two sliders 84 and 84 are provided apart from each other in the vertical direction, the vertical movement of the driven wheel mounting base 81 with respect to the mechanism main body 71 by the sliders 84 and 84 is ensured, and the sliders 84 and 84 are the stoppers. Since it is stopped at 86, the rattling of the driven wheel mounting base 81 in the left-right direction can be reduced, and the symbol display body 2 can be rotated stably. Further, since the driven wheel mounting base 81 is formed in a triangular shape, the weight can be reduced as compared with a circular shape or a rectangular shape, and the symbol display body 2 can be stably rotated. Further, since the two sliders 84 and 84 are individually provided at the two corners of the triangular shape, the distance between the two sliders 84 and 84 is maximized, and the reliability of the vertical movement and the right and left of the driven wheel mounting base 81 are increased. The effect of preventing the backlash of the direction can be further improved, and the symbol display body 2 can be rotated more stably.
[0023]
The mechanism main body 71 includes a bottom wall 71a bent inward from the lower portion of the mechanism main body 71, a lower mechanism attaching portion 71b bent downward from the front portion of the bottom wall 71a, and an extension bent inward from the upper front side of the mechanism main body 71. From the rear part of the mechanism main body 71, the upper front mechanism attachment part 71d bent upward from the front part of the installation part 71c, the extension part 71c, the upper rear mechanism attachment part 71e bent inward from the upper rear side of the mechanism main body 71 A reinforcing portion 71f bent inward is provided. If the bottom wall 71a and the reinforcing portion 71f are coupled to each other, the strength of the mechanism main body 71 is further increased. The lower mechanism mounting portion 71b includes a positioning hole 71g and a mounting hole 71h, and the upper front mechanism mounting portion 71d includes a mounting hole 71i.
[0024]
A spinning cylinder display device 91 configured by using three assembled symbol display mechanisms 1 will be described. As shown in FIG. 3, the rotating display device 91 includes a housing 92 that is open to the left and right of the front and is large enough to accommodate the symbol display mechanism 1. The housing 92 is bent upward from the front portion of the upper wall 93 and the engaging portion 95 which is pushed out so as to protrude inward through two notches 94 which face the rear portion of the upper wall 93 on the left and right. An upper flange 96 and a lower flange 97 bent downward from the front portion of the bottom wall 71a are provided.
[0025]
Then, the symbol display mechanism 1 is inserted into the housing 92, and the lower mechanism mounting portion 71b and the upper front mechanism mounting portion 71d of the symbol display mechanism 1 are disposed on the front side of the upper flange 96 and the lower flange 97 of the housing 92. The protrusion 98 provided on the flange 97 and the positioning hole 71g of the lower mechanism attaching portion 71b are fitted into each other, and the upper and rear mechanism attaching portion 71e of the mechanism main body 71 is one notch 94 from the inner side surface of the upper wall 93 of the housing 92. The lower part mounting part 71b and the upper front part attaching part 71d are fitted into the engaging part 95 so as to come into contact with the inner surface of the upper wall 93 through the other notch 94 in order on the engaging part 95. Are fastened to the upper flange 96 and the lower flange 97 with a set screw (not shown) to attach the three symbol display mechanisms 1 to the housing 92. Further, the mechanism main body 71 and the side wall 99 formed in a target shape are attached to the housing 92 in the same manner as the mechanism main body 71. As a result, the rotary display device 91 in which the symbol display bodies 2 of the three symbol display mechanisms 1 are arranged in a front open space surrounded by the mechanism main body 71, the casing 92, and the side wall 99 is obtained.
[0026]
In the embodiment, the case of using the symbol display body 2 provided with the timing belt-like continuous uneven portions at both ends of the inner side surface 2a has been described, but the present invention can also be applied to the sprocket type shown in Patent Document 1. That is, holes are formed at both ends (outside the symbol display area) in the width direction of the symbol display body at predetermined intervals along the rotation direction, and protrusions are formed on the drive wheel at the same interval as the interval between the holes. The same effect can be obtained even if it is applied to a sprocket type in which the projection is engaged with the hole and the power of the motor is transmitted to the symbol display body to rotate the symbol display body.
In the embodiment, a triangular driven wheel mounting base 81, a reference shaft portion 84A provided on the base 81, sliders 84 and 84, a spring mooring portion 85, and a bearing hole 74A formed in the mechanism main body 71 are provided. Although the arc-shaped escape holes 74, 75, 76, the spring mooring portion 77, and the spring mooring portion 77 and the spring mooring portion 85 are latched to connect the springs 78, the detaching operation mechanism is configured. In this mechanism, the distance between the driven shaft 21 and the driving wheel 11 can be made narrower than when the symbol display body 2 is rotated, and the symbol display body 2 can be attached to and detached from the driving wheel 11 and the driven wheel 21 on one side of the mechanism main body 71. That's fine. For example, any mechanism may be used as long as the position of the driven wheel mounting base can be changed when the symbol display body is attached / detached and rotated.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a symbol display mechanism of a spinning cylinder display device according to an embodiment of the present invention.
FIG. 2 is a perspective view of the symbol display mechanism as viewed from the side.
FIG. 3 is a perspective view showing an appearance of a rotating display device.
[Explanation of symbols]
1 symbol display mechanism, 2 symbol display body, 11 drive wheel,
18 motor output shaft mounting portion (drive wheel mounting portion), 21 driven wheel,
31 step motor (motor), 32 motor shaft (motor output shaft),
71 Mechanism body, 74A Bearing hole, 74, 75, 76 Arc-shaped escape hole (swing guide hole), 77 Spring mooring part (mechanism main body side spring mooring part), 78 Spring, 81 Drive wheel mounting base (base), 84A Reference shaft portion (swing center shaft), 84 slider (swing guide shaft), 85 spring mooring portion (base side spring mooring portion).

Claims (2)

機構本体の第1の側にモータを取付け、このモータを取り巻く駆動輪の取付部をモータの出力軸に結合する一方、機構本体の第2の側に従動輪を駆動輪と相対峙させて回転可能に取付け、これら駆動輪と従動輪とに無端帯状の図柄表示体を回転可能に巻き掛けた回胴表示装置において、従動輪と駆動輪との距離を図柄表示体の回転時よりも狭くして図柄表示体を機構本体の片側で駆動輪と従動輪とに着脱可能とする着脱操作機構を備え
上記着脱操作機構は、揺動中心シャフトと揺動案内シャフトとベース側ばね係留部とを有して上記従動輪の回転中心を回転可能に支持するベースと、軸受孔と機構本体側ばね係留部と上記軸受孔を中心とした弧状に形成された揺動案内シャフト用揺動案内孔及びベース側ばね係留部用揺動案内孔とを有した上記機構本体と、上記ベース側ばね係留部用揺動案内孔内を移動可能なように取付けられた上記ベース側ばね係留部と上記機構本体側ばね係留部とに連結されたばねとを有して構成され、
上記揺動中心シャフトは上記軸受孔に回転可能に取付けられ、上記揺動案内シャフトは上記揺動案内シャフト用揺動案内孔内を移動可能に取付けられ、
上記ベースは、上記ばねのばね力を受けることによって、上記駆動輪と上記従動輪とに巻き掛けられた上記図柄表示体を張る方向に上記従動輪を移動させるとともに上記揺動中心シャフトを回転中心として揺動可能に維持され、かつ、上記ベース側ばね係留部を上記ばねに抗して上記ベース側ばね係留部用揺動案内孔内で移動させた場合には、上記図柄表示体を上記駆動輪と上記従動輪とに着脱できるように上記揺動中心シャフトを回転中心として揺動して上記従動輪を上記駆動輪に近づく方向に移動させることを特徴とする回胴表示装置。
A motor is mounted on the first side of the mechanism body, and the drive wheel mounting portion surrounding the motor is coupled to the output shaft of the motor, while the driven wheel on the second side of the mechanism body is rotated relative to the drive wheel to rotate. In a swivel display device in which an endless belt-like symbol display body is rotatably wound around the drive wheel and the driven wheel, the distance between the driven wheel and the drive wheel is made smaller than when the symbol display body is rotated. Equipped with a detachable operation mechanism that allows the symbol display body to be detachably attached to the drive wheel and the driven wheel on one side of the mechanism body ,
The attachment / detachment operation mechanism has a swing center shaft, a swing guide shaft, and a base side spring mooring portion, and a base that rotatably supports the rotation center of the driven wheel, a bearing hole, and a mechanism main body side spring mooring portion. And a swing guide hole for a swing guide shaft and a swing guide hole for a base side spring mooring portion formed in an arc shape around the bearing hole, and a swing for the base side spring mooring portion. The base side spring mooring portion attached so as to be movable in the movement guide hole, and a spring connected to the mechanism main body side spring mooring portion,
The swing center shaft is rotatably attached to the bearing hole, and the swing guide shaft is movably mounted in the swing guide hole for the swing guide shaft.
The base receives the spring force of the spring, thereby moving the driven wheel in a direction in which the symbol display body wound around the driving wheel and the driven wheel is stretched and rotating the swing center shaft around the center of rotation. If the base side spring anchoring portion is moved in the base side spring anchoring portion swing guide hole against the spring, the symbol display body is driven. A swivel display device characterized in that the driven wheel is moved in a direction approaching the drive wheel by swinging about the swing center shaft so as to be attachable to and detachable from the wheel and the driven wheel .
ベースの三角形状の1つの隅部に揺動中心シャフトが設けられ、三角形状の別の2つの隅部に揺動案内シャフトが個別に設けられ同一の揺動案内シャフト用揺動案内孔内に取付けられたことを特徴とする請求項に記載の回胴表示装置。A swing center shaft is provided at one triangular corner of the base, and swing guide shafts are separately provided at two other corners of the triangle, and are located in the same swing guide shaft swing guide hole. The swivel display device according to claim 1 , which is attached .
JP2002352896A 2002-12-04 2002-12-04 Cylinder display device Expired - Fee Related JP4278967B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8632932B2 (en) 2009-01-22 2014-01-21 Ricoh Company, Limited Toner, color toner set, developer, process cartridge, and image forming method
US8741529B2 (en) 2011-04-01 2014-06-03 Ricoh Company, Ltd. Image forming method, image forming apparatus, and process cartridge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8632932B2 (en) 2009-01-22 2014-01-21 Ricoh Company, Limited Toner, color toner set, developer, process cartridge, and image forming method
US8741529B2 (en) 2011-04-01 2014-06-03 Ricoh Company, Ltd. Image forming method, image forming apparatus, and process cartridge

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