JP3987972B2

JP3987972B2 - Pachinko machine pattern display device

Info

Publication number: JP3987972B2
Application number: JP00997795A
Authority: JP
Inventors: 高明市原; 功一飯田
Original assignee: Daiichi Shokai Co Ltd
Current assignee: Daiichi Shokai Co Ltd
Priority date: 1995-01-25
Filing date: 1995-01-25
Publication date: 2007-10-10
Anticipated expiration: 2022-10-10
Also published as: JPH08196702A

Description

【０００１】
【産業上の利用分野】
この発明はパチンコ機における図柄表示装置に関するもので、詳しくは機械的な図柄変動表示体を含む図柄表示装置の回転伝達機構に関する。
【０００２】
【従来の技術】
複数の図柄表示用の回転体を有し、機械的手段によって複数の図柄を変動表示する従来の図柄表示装置では各回転体は複数のモータの各出力軸に個々に結合された状態で複数のモータによって回転体毎に個別に回転駆動される。
【０００３】
【発明が解決しようとする課題】
本発明は複数の機械的な図柄表示用の回転体を回転駆動する回転体駆動機構が占めるスペースを縮小することを課題とするものである。
【０００４】
【課題を解決するための手段】
請求項１の発明は、パチンコ機の遊技盤に形成された開口部に合わせて装着されて制御装置の指令制御に基づいて図柄変動表示し得る図柄表示装置において、
前記図柄表示装置は、
前記遊技盤の遊技盤面に取着されるベースフレームと、前向きに膨出するほぼ中空半球形状に成形されて前記ベースフレーム中央に開口された窓口前側に合わせて取着されたカバ一体と、このカバ一体の半球形状部分の背面内前側に組込まれて傾斜回転軸中心で回転し得る図柄表示用の第１回転体と、該第１回転体の後方隣接位置で前記カバ一体の半球形状部分の背面内に組込まれて前記第１回転体と同心回転し得る図柄表示用の第２回転体と、前記制御装置により制御される１基の同軸モータを駆動源として前記第１回転体と前記第２回転体とを個々に駆動制御する回転伝達機構と、前記カバー体の中央内部に設置されて前記制御指令により電気的に変動表示制御される図柄表示器とを備えており、
前記カバ一体は、半球形状部分の縦中央部の上方から中心部に亘る部位に、前記第１回転体と前記第２回転体との上下２列分の図柄の変移・停止表示状態を前側から透視し得る上表示窓と、前記図柄表示器の図柄の変動・停止表示状態を前側から透視し得る下表示窓とが形成され、
前記第１回転体は、前記遊技盤の垂立面に対して前下向き傾斜に設定された前記回転軸を中心として回転可能に支持されて前記回転伝達機構により回転・位置決め停止制御されるとともに、該第１回転体の前側外周部に、前記カバ一体の半球形状部分の背面内に沿って回転変移し得る球曲形状の第１図柄表示面が形成され、この第１図柄表示面の外周円方向に、前記カバ一体の上表示窓の下面域を変移・停止表示し得る複数個１周列分の図柄が配置されており、
前記第２回転体は、前記回転軸を中心として回転可能に支持されて前記回転伝達機構により回転・位置決め停止制御されるとともに、該第２回転体の外周部に、前記カバ一体の半球形状部分の背面内に沿って回転変移し得る球曲形状の第２図柄表示面が形成され、この第２図柄表示面の外周円方向に、前記カバ一体の上表示窓の上面域を変移・停止表示し得る複数個１周列分の図柄が配置されており、
前記回転伝達機構は、前記第２回転体の後方に設置した前記同軸モータに、前記回転軸に対して回転中心が整合された第１駆動軸を駆動する第１駆動部と、前記第１駆動軸の外周に同心嵌挿された第２駆動軸を駆動する第２駆動部とが前後に設置されて、前記第１駆動軸の前端が前記第２回転体の中心部を挿通して前記第１回転体の基端部中心に連結される一方、前記第２駆動軸の前端が前記第２回転体の基端部中心に連結されて、前記第１駆動部と第２駆動部の個々の駆動制御に従い前記第１回転体と前記第２回転体を互いに同心回転するように設定されるとともに、前記同軸モータにおける第１駆動軸の後端に、前記第１回転体の特定部位の回転位置を教示するための第１教示部材が結合され、前記同軸モータにおける第２駆動軸の後端に、前記第２回転体の特定部位の回転位置を教示するための第２教示部材が結合され、前記第１教示部材と第２教示部材とに対して前記各特定部位の回転位置を検出するための第１定位置センサと第２定位置センサとが配設されており、
前記図柄表示器は、前記カバ一体の下表示窓の背面内に垂立状態で設置されて電気的な制御表示に従って複数の図柄を１コマ分ずつ点灯・変動表示し得るように設定されており、
前記カバ一体の上表示窓と下表示窓により、前記第２回転体の図柄と、前記第１回転体の図柄と、前記図柄表示器の図柄とが、正面縦線上の上中下位置に整一状態で停止表示されて透視し得るように設定した構成を有する。
【０００５】
すなわち、請求項１の発明は、その特徴の１つとして機械的な図柄表示体である前記第１回転体および前記第２回転体が個々に結合される複数の駆動軸と、この各駆動軸を個々に回転させる複数の軸駆動部とを有する同軸モータを設けた構成の回転伝達機構を有する。
【０００６】
また、請求項１の発明は、前記同軸モータの各駆動軸の反回転体側の端部にそれぞれ形成された各延長部（後端）に、前記第１回転体および前記第２回転体の特定部位の回転位置を前記第１定位置センサおよび第２定位置センサに教示する教示部材をそれぞれ結合した構成を有する。
【０００７】
【作用】
請求項１の発明では、同軸状態で設置された第１回転体および第２回転体への回転伝達が中空軸状の駆動軸を含んだ状態で同心状に設置された第１駆動軸および第２駆動軸によって行われる。
【０００８】
また、請求項１の発明では、第１回転体および第２回転体への回転伝達が１基の同軸モータの各駆動軸によって行われる。
【０００９】
さらに、請求項１の発明では、同軸モータの前記各延長部に第１回転体および第２回転体の特定部位の回転位置を第１定位置センサおよび第２定位置センサに教示する教示部材をそれぞれ結合するため、各回転体の特定部位の回転位置の検出が、各駆動軸の各延長部にそれぞれ結合されて各回転体から離れた位置に配設された各教示部材と各センサとによって行われ、各センサに結線された各リード線が各回転体から離れた位置で配線される。
【００１０】
【発明の効果】
請求項１の発明によれば、第１回転体および第２回転体を個別に回転駆動する第１駆動軸および第２駆動軸を、中空軸状の一方の駆動軸の中心部に他方の駆動軸を挿通することで制限されたスペース内に集中的に配置することができ、各回転体への回転伝達機構をコンパクト化してこの回転伝達機構が占めるスペースを縮小することができる。
【００１１】
また、請求項１の発明によれば、第１回転体および第２回転体を１基の同軸モータの各駆動軸に直結状に結合した状態で各回転体を１つの駆動源によって個別に回転駆動することができ、回転伝達機構が占めるスペースを大幅に縮小することが可能となる。
【００１２】
さらに、請求項１の発明によれば、各教示部材および各センサが第１回転体および第２回転体から離れた位置に集中的に配置されるので、各センサに接続されたリード線の配線処理を簡易化することができ、また、回転体の回転動作によるリード線の損傷や断線を無くすことができる。
【００１３】
【実施例】
次に、本発明の第１実施例を図１〜図３にしたがって説明する。パチンコ機の遊技盤１に加工形成された開口部に合わせて装着された図柄表示装置において、周縁部が遊技盤面１ａにねじ止めされて開口部内に収容状態で位置されるほぼ方形枠状のベースフレーム２の中央部には前方へ突出した状態でベースフレーム２に開口された窓口をカバーするほぼ中空半球状のカバー板８の周縁部が結合されている。
【００１４】
カバー板８の上部の半球形状部の縦中央上部、つまり上下縦方向の中央上部には内部の透視が可能な上表示窓８ａが球面に沿って形成され、カバー板８の中央下部には上表示窓８ａの下方に隣設されて内部の透視が可能な下表示窓８ｂが垂直状に形成されている。
【００１５】
カバー板８の下表示窓８ｂの背後内にはカバー体８に固定されたＬＥＤ基板１９が設置され、このＬＥＤ基板１９には下表示窓８ｂの背面に臨んで複数個１組の図柄１２ａを点灯および変動表示する図柄表示ＬＥＤによる図柄表示器１２が接続されている。
【００１６】
ベースフレーム２に結合されたブラケット１８にはカバー板８の後方に設置されて制御装置の指令によって回転・位置決め停止制御される１基の同軸モータ（同軸ステッピングモータ）３が回転伝達機構の駆動源として取付けられている。
【００１７】
同軸モータ３は、遊技盤面１ａの垂立面に対して前下り状に傾斜して交差する回転軸ａ（図１，図４参照）に整合された回転軸心を有し、同軸モータ３の本体部３ａの中心部に挿通された丸棒状の第１駆動軸４と、この第１駆動軸４が中心部に挿通された状態で第１駆動軸４と同心状に設置された中空軸状の第２駆動軸５とを備え、第１，第２の駆動軸４，５が回転軸ａに整合されている（図３参照）。
【００１８】
同軸モータ３の本体部３ａにはマグネット６ａを有し、通電によって第１駆動軸４を回転させる第１軸駆動部６と、マグネット７ａを有し、通電によって第２駆動軸５を回転させる第２軸駆動部７とが軸方向の前後に隣接状態で配置されている。
【００１９】
同軸モータ３の第１駆動軸４の前端に固定された円板状の前結合部材９には段付き円筒状の胴壁部１０ａと、この胴壁部１０ａの前端縁に連接されて球面状に湾曲した表示部１０ｂとを有し、両駆動軸４，５の軸心の傾斜と整一された前下り状傾斜の回転軸ａを中心として回転する機械的な図柄表示体としての第１回転体１０の基端部がねじ２４によって結合されている。
【００２０】
第１回転体１０の胴壁部１０ａから外方に連接する外周部には球面を輪切りにした前向き凸球曲面形状を有する第１図柄表示面１１が形成されている。
【００２１】
第１図柄表示面１１の球曲面外周方向には回転軸ａの回りに配列された１組、つまり複数個１周列分の図柄１１ａがそれぞれ球面状に湾曲した形状で列記され、第１回転体１０が回転後停止すると、これらの図柄１１ａのうち１コマ分の図柄が上表示窓８ａの下部を透して表示される。
【００２２】
同軸モータ３の第２駆動軸５の前端に固定された円板状の後結合部材１３には段付き円盤状の胴壁部１５ａと、この胴壁部１５ａの前端縁に連接されて球面状に湾曲した表示部１５ｂとを有し、第１回転体１０と同心状態で設置されて回転軸ａを中心として回転する第２回転体１５の基端部がねじ２５によって結合されている。
【００２３】
第２回転体１５の外周部には球面を輪切りにした前向き凸球曲面形状を有し、第１図柄表示面１１と相似形で大きさが第１図柄表示面１１の大きさより拡大され、第１図柄表示面１１の後側に第１図柄表示面１１と無段状に連続した状態で設置された第２図柄表示面１６が形成されている。
【００２４】
第２図柄表示面１６の球曲面外周方向には回転軸ａの回りに配列された１組、つまり複数個１周列分の図柄１６ａがそれぞれ球面状に湾曲した形状で列記され、第２回転体１５が回転後停止すると、これらの図柄１６ａのうち１コマ分の図柄が上表示窓８ａの上部を透して表示される。
【００２５】
同軸モータ３への両回転体１０，１５の取付けに際し、後結合部材１３を同軸モータ３の第２駆動軸５の前端に後結合部材１３をねじ止め結合し、第２駆動軸５前端から延出した第１駆動軸４の前端に前結合部材９をねじ止め結合したもとで、第２回転体１５の基端部をねじ２５によって後結合部材１３に結合し、第１回転体１０の基端部をねじ２４によって前結合部材９に結合する。なお、第１駆動軸４はその前端が第２回転体１５の基端部中心を嵌挿している（図１，図３参照）。
【００２６】
第１回転体１０の胴壁部１０ａの内部には第１回転体１０の特定部位の回転位置、すなわち、具体例として第１図柄表示面１１の１組の図柄１１ａのうちの特定図柄の回転位置を検出する第１定位置センサ２０が設置され、この第１定位置センサ２０にはリード線３２が結線されている。
【００２７】
第１回転体１０の胴壁部１０ａの内壁面には第１回転体１０の特定部位の回転位置、すなわち、第１図柄表示面１１の１組の図柄１１ａのうちの特定図柄の回転位置を第１定位置センサ２０に教示する第１教示部材２１が結合されている。
【００２８】
第１定位置センサ２０は第１図柄表示面１１の特定図柄が上表示窓８ａに対向する位置へ回転変位したときに第１教示部材２１の被検出片２１ａが第１定位置センサ２０の検出溝２０ａ内に進入するように配設されている。
【００２９】
第２回転体１５の表示部１５ｂの内部には第２回転体１５の特定部位の回転位置、すなわち、具体例として第２図柄表示面１６の１組の図柄１６ａのうちの１つの特定図柄の回転位置を検出する第２定位置センサ２２が設置され、この第２定位置センサ２２にはリード線３３が結線されている。
【００３０】
第２回転体１５の胴壁部１５ａの外壁面には第２回転体１５の特定部位の回転位置、すなわち、第２図柄表示面１６の１組の図柄１６ａのうちの特定図柄の回転位置を第２定位置センサ２２に教示する第２教示部材２３が結合されている。
【００３１】
第２定位置センサ２２は第２図柄表示面１６の特定図柄が上表示窓８ａに対向する位置へ回転変位したときに第２教示部材２３の被検出片２３ａが第２定位置センサ２２の検出溝２２ａ内に進入するように配設されている。
【００３２】
続いて、上記した構成を有する実施例の作用と効果を説明する。本例では、第１駆動軸４と、この第１駆動軸４が中心部に挿通された中空軸状の第２駆動軸５とを有する１基の同軸モータ３を設け、第１駆動軸４には同軸状態で設置された第１，第２回転体１０，１５のうちの第１回転体１０を前結合部材９を介して結合し、第２駆動軸５には第２回転体１５を後結合部材１３を介して結合してある。
【００３３】
このため、第１，第２回転体１０，１５を個別に回転駆動する第１，第２駆動軸４，５を、中空軸状の第２駆動軸５の中心部に第１駆動軸４を挿通した状態で制限されたスペース内に集中的に配置することができ、各回転体１０，１５への回転伝達機構をコンパクト化してこの回転伝達機構が占めるスペースを縮小することができる。
【００３４】
また、各回転体１０，１５を同軸モータ３の各駆動軸４，５に直結状に結合した状態で各回転体１０，１５を１つの駆動源である同軸モータ３内の各駆動部６，７によって個別に回転駆動することができ、回転伝達機構が占めるスペースを大幅に縮小することが可能となる。
【００３５】
次に、図４に示す本発明の第２実施例について説明すると、本例の回転伝達機構では、同軸モータ３Ａの本体部３ａＡの後側にはリード線３２Ａが結線された第１定位置センサ２０Ａと、この第１定位置センサ２０Ａの下方に配設されてリード線３３Ａが結線された第２定位置センサ２２Ａとが設置されている。
【００３６】
同軸モータ３Ａの第１駆動軸４Ａの後端には本体部３ａＡから軸方向の反回転体側へ延出されて本体部３ａＡの後側に設置された第１延長部３０が形成されている。
【００３７】
同軸モータ３Ａの第２駆動軸５Ａの後端には本体部３ａＡから軸方向の反回転体側へ延出されて第１駆動軸４Ａの第１延長部３０が中心部に挿通され、本体部３ａＡの後側に設置された第２延長部３１が形成されている。
【００３８】
第１駆動軸４Ａの第１延長部３０には第１駆動軸４Ａの前端に結合された第１回転体１０の特定部位の回転位置を第１定位置センサ２０Ａに教示するほぼ円板状の第１教示部材２１Ａが結合され、この第１教示部材２１Ａにはその周縁部に貫設された被検出部２１ａＡが形成されている。
【００３９】
第２駆動軸５Ａの第２延長部３１には第２駆動軸５Ａの前端に結合された第２回転体１５の特定部位の回転位置を第２定位置センサ２２Ａに教示するほぼ円板状の第２教示部材２３Ａが結合され、この第２教示部材２３Ａにはその周縁部に貫設された被検出部２３ａＡが形成されている。
【００４０】
第２実施例によれば、回転伝達機構内に組込まれた回転位置検出部における各教示部材２１Ａ，２３Ａおよび各定位置センサ２０Ａ，２２Ａが各回転体１０，１５から離れた位置に集中的に配置されるので、リード線３２Ａ，３３Ａの配線処理を簡易化することができ、回転体１０，１５の回転動作によるリード線３２Ａ，３３Ａの損傷や断線を無くすことができる。
【図面の簡単な説明】
【図１】本発明の第１実施例を示す図柄表示装置の側断面図である。
【図２】同じく、正面図である。
【図３】同軸モータの半側断面図である。
【図４】本発明の第２実施例を示す図柄表示装置の側断面図である。
【符号の説明】
３，３Ａ同軸モータ
４，４Ａ第１駆動軸
５，５Ａ第２駆動軸
１０第１回転体
１５第２回転体
２０，２０Ａ定位置センサ（第１定位置センサ）
２２，２２Ａ定位置センサ（第２定位置センサ）
２１，２１Ａ教示部材（第１教示部材）
２３，２３Ａ教示部材（第２教示部材） [0001]
[Industrial application fields]
The present invention relates to a symbol display device in a pachinko machine , and more particularly to a rotation transmission mechanism of a symbol display device including a mechanical symbol variation display body .
[0002]
[Prior art]
In a conventional symbol display device having a plurality of symbol display rotating bodies and variably displaying a plurality of symbols by mechanical means, each rotating body is individually coupled to each output shaft of a plurality of motors. Each motor is individually driven to rotate by a motor.
[0003]
[Problems to be solved by the invention]
It is an object of the present invention to reduce the space occupied by a rotating body drive mechanism that rotationally drives a plurality of mechanical symbol display rotating bodies.
[0004]
[Means for Solving the Problems]
The invention of claim 1 is a symbol display device that is mounted in accordance with an opening formed in a game board of a pachinko machine and can display symbol variation based on command control of the control device.
The symbol display device
A base frame attached to the game board surface of the game board, and a cover integral formed in a substantially hollow hemispherical shape bulging forward and attached to the front side of the window opened in the center of the base frame; and A first rotating body for symbol display which is incorporated in the front side of the back surface of the hemispherical part integrated with the cover and can rotate around the tilt rotation axis; and a hemispherical part integrated with the cover at a position adjacent to the rear of the first rotating body. A second rotator for symbol display which can be incorporated in the back surface and can rotate concentrically with the first rotator, and one coaxial motor controlled by the control device as a drive source. A rotation transmission mechanism for individually driving and controlling the two rotators, and a symbol display that is installed inside the center of the cover body and is electrically controlled to display and change according to the control command;
The cover is integrated with the upper and lower two rows of symbols in the upper and lower parts of the hemispherical portion from the front to the center, and the symbol change / stop display state is displayed from the front side. An upper display window that can be seen through, and a lower display window that can be seen through from the front side of the design change / stop display state of the design indicator are formed,
The first rotating body is rotatably supported around the rotation axis set to be inclined forward and downward with respect to the vertical surface of the game board, and the rotation / positioning stop control is performed by the rotation transmission mechanism. A first symbol display surface having a spherical shape that can be rotationally shifted along the back surface of the hemispherical portion integrated with the cover is formed on the outer peripheral portion of the front side of the first rotating body. In the direction, a plurality of one-row symbols that can shift and stop the lower surface area of the upper display window integrated with the cover are arranged,
The second rotating body is supported so as to be rotatable about the rotation axis, and is controlled to be rotated / positioned and stopped by the rotation transmission mechanism, and a hemispherical portion integrated with the cover on an outer peripheral portion of the second rotating body. A spherically shaped second symbol display surface that can be rotationally shifted along the back surface of the cover is formed, and the upper surface area of the upper display window integrated with the cover is shifted and stopped in the outer circumferential direction of the second symbol display surface. A plurality of possible one-round symbols are arranged,
The rotation transmission mechanism includes a first drive unit that drives a first drive shaft whose rotation center is aligned with the rotation shaft, and the first drive, the coaxial motor installed behind the second rotation body. A second drive unit that drives a second drive shaft that is concentrically fitted on the outer periphery of the shaft is disposed in the front-rear direction, and a front end of the first drive shaft is inserted through a central portion of the second rotating body to The front end of the second driving shaft is connected to the center of the base end of the second rotating body, and the first driving unit and the second driving unit are connected to the center of the base end of the first rotating body. The first rotating body and the second rotating body are set to rotate concentrically with each other according to drive control, and a rotational position of a specific portion of the first rotating body at the rear end of the first drive shaft in the coaxial motor. And a rear end of the second drive shaft in the coaxial motor. A second teaching member for teaching a rotational position of a specific part of the second rotating body is coupled to detect the rotational position of each specific part with respect to the first teaching member and the second teaching member; A first home position sensor and a second home position sensor are disposed,
The symbol display is set up vertically in the back surface of the lower display window integrated with the cover, and is set so that a plurality of symbols can be turned on and displayed one frame at a time according to an electrical control display. ,
By the upper display window and the lower display window integrated with the cover, the design of the second rotating body, the design of the first rotating body, and the design of the design display are aligned at the upper, middle and lower positions on the front vertical line. It has a configuration that is set so that it can be stopped and displayed in one state.
[0005]
That is, the invention of claim 1 is characterized in that, as one of its features, a plurality of drive shafts to which the first rotary body and the second rotary body, which are mechanical symbol display bodies, are individually coupled, and the drive shafts. And a rotation transmission mechanism having a configuration in which a coaxial motor having a plurality of shaft driving units for individually rotating the motor is provided.
[0006]
The invention according to claim 1 is characterized in that the first rotating body and the second rotating body are specified at each extension portion (rear end) formed at the end portion on the counter-rotating body side of each drive shaft of the coaxial motor. A teaching member for teaching the rotational position of the part to the first fixed position sensor and the second fixed position sensor is combined.
[0007]
[Action]
In the first aspect of the present invention, the first drive shaft and the first drive shaft installed concentrically in a state where the rotation transmission to the first rotary body and the second rotary body installed in the coaxial state includes the hollow shaft drive shaft. This is done with two drive shafts .
[0008]
According to the first aspect of the present invention, rotation transmission to the first rotating body and the second rotating body is performed by each drive shaft of one coaxial motor.
[0009]
Further, according to the first aspect of the present invention, there is provided a teaching member that teaches the first fixed position sensor and the second fixed position sensor of the rotation positions of the specific parts of the first rotating body and the second rotating body at the respective extensions of the coaxial motor. In order to couple each, the detection of the rotational position of a specific part of each rotating body is performed by each teaching member and each sensor which are respectively coupled to each extension portion of each driving shaft and disposed at a position away from each rotating body. This is done, and each lead wire connected to each sensor is wired at a position away from each rotating body.
[0010]
【The invention's effect】
According to the present invention, the first drive shaft and second drive shaft rotates the first rotor and the second rotor separately, the other drive in the center of one of the drive axis of the hollow shaft shape By inserting the shaft, it can be intensively arranged in a limited space, and the rotation transmission mechanism to each rotating body can be made compact, and the space occupied by this rotation transmission mechanism can be reduced.
[0011]
According to the invention of claim 1 , each rotary body is individually rotated by one drive source in a state where the first rotary body and the second rotary body are coupled directly to each drive shaft of one coaxial motor. It can be driven, and the space occupied by the rotation transmission mechanism can be greatly reduced.
[0012]
Furthermore, according to the first aspect of the present invention, since each teaching member and each sensor are concentratedly arranged at positions away from the first rotating body and the second rotating body , wiring of lead wires connected to each sensor The processing can be simplified, and damage or disconnection of the lead wire due to the rotating operation of the rotating body can be eliminated.
[0013]
【Example】
Next, a first embodiment of the present invention will be described with reference to FIGS. In a symbol display device mounted in accordance with an opening processed and formed on a game board 1 of a pachinko machine, a substantially rectangular frame-shaped base whose peripheral part is screwed to the game board surface 1a and is positioned in a housed state within the opening. A peripheral portion of a substantially hollow hemispherical cover plate 8 that covers a window opened in the base frame 2 in a state of protruding forward is coupled to the center portion of the frame 2.
[0014]
Vertical top center of the upper hemispherical portion of the cover plate 8, i.e. vertically in the longitudinal direction center top of the formed along the spherical surface on the display window 8a capable internal perspective, the central lower portion of the cover plate 8 A lower display window 8b that is adjacent to the lower side of the upper display window 8a and allows the inside to be seen through is formed vertically.
[0015]
An LED board 19 fixed to the cover body 8 is installed in the back of the lower display window 8b of the cover plate 8. A plurality of sets of symbols 12a are placed on the LED board 19 facing the back surface of the lower display window 8b. A symbol display 12 is connected by a symbol display LED for lighting and variable display .
[0016]
Driving source motor assembly (coaxial stepping motor) 3 is the rotation transmission mechanism 1 group that is stop control rotation and positioned by instruction of the control device is installed in the rear of the cover plate 8 to a bracket 18 which is coupled to the base frame 2 It is attached as.
[0017]
The coaxial motor 3 has a rotational axis that is aligned with a rotational axis a (see FIGS. 1 and 4) that is inclined forward and downward with respect to the vertical surface of the game board surface 1 a. A round bar-shaped first drive shaft 4 inserted through the center of the main body 3a, and a hollow shaft installed concentrically with the first drive shaft 4 with the first drive shaft 4 inserted through the center. The first and second drive shafts 4 and 5 are aligned with the rotation axis a (see FIG. 3).
[0018]
The main body 3a of the coaxial motor 3 has a magnet 6a, a first shaft drive unit 6 that rotates the first drive shaft 4 by energization, and a magnet 7a that rotates the second drive shaft 5 by energization. The biaxial drive unit 7 is arranged adjacent to the front and rear in the axial direction .
[0019]
A disc-shaped front coupling member 9 fixed to the front end of the first drive shaft 4 of the coaxial motor 3 is connected to the cylindrical end wall portion 10a of the stepped cylindrical wall portion 10a and the front end edge of the cylindrical wall portion 10a to form a spherical shape. And a first display as a mechanical symbol display body that rotates about a rotation axis a having a forward and downward inclination that is aligned with the inclination of the axis of the drive shafts 4 and 5. A proximal end portion of the rotating body 10 is coupled by a screw 24.
[0020]
A first symbol display surface 11 having a forward convex spherical curved surface shape with a spherical surface cut into a circle is formed on an outer peripheral portion connected outward from the body wall portion 10 a of the first rotating body 10.
[0021]
In the outer peripheral direction of the spherical surface of the first symbol display surface 11 , a set of symbols 11a arranged around the rotation axis a , that is, a plurality of symbols 11a for one circumferential row, are listed in a spherically curved shape. When the body 10 stops after rotating, one frame of the symbols 11a is displayed through the lower part of the upper display window 8a.
[0022]
A disc-shaped rear coupling member 13 fixed to the front end of the second drive shaft 5 of the coaxial motor 3 has a stepped disk-like body wall portion 15a and a spherical surface connected to the front end edge of the body wall portion 15a. And a base end portion of the second rotating body 15 that is installed concentrically with the first rotating body 10 and rotates about the rotation axis a.
[0023]
The outer peripheral portion of the second rotating body 15 has a forward convex spherical curved surface with a spherical surface cut into a circle, and is similar in shape to the first symbol display surface 11 and larger in size than the first symbol display surface 11. A second symbol display surface 16 is formed on the rear side of the one symbol display surface 11 so as to be continuously connected to the first symbol display surface 11.
[0024]
In the outer circumferential direction of the spherical surface of the second symbol display surface 16, a set of symbols 16a arranged around the rotation axis a, that is, a plurality of symbols 16a corresponding to one circumferential row, are listed in a spherically curved shape, and the second rotation. When the body 15 stops after rotating, one frame of the symbols 16a is displayed through the upper part of the upper display window 8a.
[0025]
At the time of mounting the rotary members 10 and 15 to the coaxial motor 3, the rear coupling member 13 is screwed to the front end of the second drive shaft 5 of the coaxial motor 3 and the rear drive member 13 extends from the front end of the second drive shaft 5. the front binding member 9 to the front end of the first drive shaft 4 that issued the Moto was screwed coupling, a base end portion of the second rotating member 15 attached to the rear coupling member 13 by a screw 25, the first rotating member 10 The proximal end portion is coupled to the front coupling member 9 by a screw 24. The front end of the first drive shaft 4 is inserted into the center of the base end portion of the second rotating body 15 (see FIGS. 1 and 3).
[0026]
Inside the trunk wall portion 10a of the first rotator 10, the rotation position of a specific portion of the first rotator 10, that is, as a specific example , rotation of a specific symbol out of a set of symbols 11a on the first symbol display surface 11 is performed. A first fixed position sensor 20 for detecting the position is installed, and a lead wire 32 is connected to the first fixed position sensor 20.
[0027]
The inner wall surface of the body wall portion 10a of the first rotor 10 rotational position of the specific portion of the first rotating body 10, i.e., the rotational position of a specific symbol of a set of symbols 11a of the first symbol display surface 11 A first teaching member 21 for teaching the first fixed position sensor 20 is coupled.
[0028]
The first fixed position sensor 20 detects the detected piece 21a of the first teaching member 21 by the first fixed position sensor 20 when the specific pattern on the first pattern display surface 11 is rotationally displaced to a position facing the upper display window 8a. It arrange | positions so that it may approach in the groove | channel 20a.
[0029]
Inside the display portion 15b of the second rotator 15, the rotation position of the specific part of the second rotator 15, that is, as a specific example, one specific symbol of one set of symbols 16a of the second symbol display surface 16 is shown . A second fixed position sensor 22 for detecting the rotational position is installed, and a lead wire 33 is connected to the second fixed position sensor 22.
[0030]
On the outer wall surface of the body wall portion 15a of the second rotator 15, the rotational position of a specific portion of the second rotator 15, that is, the rotational position of a specific symbol of the pair of symbols 16a on the second symbol display surface 16 is displayed. A second teaching member 23 for teaching the second fixed position sensor 22 is coupled.
[0031]
The second fixed position sensor 22 detects the detected piece 23a of the second teaching member 23 when the specific symbol on the second symbol display surface 16 is rotationally displaced to a position facing the upper display window 8a. It arrange | positions so that it may approach in the groove | channel 22a.
[0032]
Subsequently, the operation and effect of the embodiment having the above-described configuration will be described. In this example, a single coaxial motor 3 having a first drive shaft 4 and a hollow shaft-like second drive shaft 5 inserted through the center of the first drive shaft 4 is provided. The first rotating body 10 of the first and second rotating bodies 10 and 15 installed in the same state is coupled via the front coupling member 9, and the second rotating body 15 is coupled to the second drive shaft 5. It is coupled via a rear coupling member 13.
[0033]
Therefore, the first and second drive shafts 4 and 5 for individually rotating and driving the first and second rotating bodies 10 and 15 are provided, and the first drive shaft 4 is provided at the center of the hollow shaft-like second drive shaft 5. It is possible to concentrate the arrangement in a limited space in the inserted state, and it is possible to reduce the space occupied by the rotation transmission mechanism by making the rotation transmission mechanism to each of the rotating bodies 10 and 15 compact.
[0034]
In addition, in a state where the rotating bodies 10 and 15 are coupled to the driving shafts 4 and 5 of the coaxial motor 3 in a direct connection state, the rotating bodies 10 and 15 are connected to the driving units 6 and 6 in the coaxial motor 3 as one driving source . 7 can be individually driven to rotate, and the space occupied by the rotation transmission mechanism can be greatly reduced.
[0035]
Next, a second embodiment of the present invention shown in FIG. 4 will be described. In the rotation transmission mechanism of the present embodiment, a first fixed position sensor in which a lead wire 32A is connected to the rear side of the main body 3aA of the coaxial motor 3A. 20A and the 2nd fixed position sensor 22A which was arrange | positioned under this 1st fixed position sensor 20A and the lead wire 33A was connected are installed.
[0036]
A first extension portion 30 is formed at the rear end of the first drive shaft 4A of the coaxial motor 3A so as to extend from the main body portion 3aA toward the counter-rotating body in the axial direction and to be installed on the rear side of the main body portion 3aA.
[0037]
The rear end of the second drive shaft 5A of the coaxial motor 3A extends from the main body portion 3aA toward the counter-rotating body in the axial direction, and the first extension portion 30 of the first drive shaft 4A is inserted into the center portion, and the main body portion 3aA. The 2nd extension part 31 installed in the back side is formed.
[0038]
The first extension 30 of the first drive shaft 4A has a substantially disk shape that teaches the first fixed position sensor 20A the rotational position of a specific portion of the first rotating body 10 coupled to the front end of the first drive shaft 4A. The first teaching member 21A is coupled, and the first teaching member 21A is formed with a detected portion 21aA penetrating in the peripheral portion thereof.
[0039]
The second extension 31 of the second drive shaft 5A has a substantially disk shape that teaches the second fixed position sensor 22A the rotational position of a specific portion of the second rotating body 15 coupled to the front end of the second drive shaft 5A. The second teaching member 23A is coupled, and the second teaching member 23A is formed with a detected portion 23aA penetrating the peripheral edge thereof.
[0040]
According to the second embodiment, the teaching members 21A and 23A and the fixed position sensors 20A and 22A in the rotational position detection unit incorporated in the rotation transmission mechanism are concentrated at positions away from the rotary bodies 10 and 15. Therefore, the wiring process of the lead wires 32A and 33A can be simplified, and damage and disconnection of the lead wires 32A and 33A due to the rotating operation of the rotating bodies 10 and 15 can be eliminated.
[Brief description of the drawings]
FIG. 1 is a side sectional view of a symbol display device showing a first embodiment of the present invention.
FIG. 2 is a front view of the same.
FIG. 3 is a half sectional view of a coaxial motor.
FIG. 4 is a side sectional view of a symbol display device showing a second embodiment of the present invention.
[Explanation of symbols]
3, 3A Coaxial motors 4, 4A First drive shaft 5, 5A Second drive shaft 10 First rotating body 15 Second rotating body 20, 20A Fixed position sensor (first fixed position sensor)
22, 22A Fixed position sensor (second fixed position sensor)
21, 21A Teaching member (first teaching member)
23, 23A Teaching member (second teaching member)

Claims

In the symbol display device that is mounted in accordance with the opening formed in the game board 1 of the pachinko machine and can display the symbol variation based on the command control of the control device,
The symbol display device
A base frame 2 attached to the game board surface 1a of the game board 1 and a cover formed in a substantially hollow hemispherical shape bulging forward and attached to the front side of the window opened in the center of the base frame 2 An integrated body 8, a first rotating body 10 for symbol display that is incorporated in the front side of the back surface of the hemispherical portion of the integrated body 8 and can be rotated about the tilt rotation axis, and a rear adjacent position of the first rotating body 10. A second rotator 15 for symbol display which is incorporated in the back surface of the hemispherical portion of the cover integral 8 and can rotate concentrically with the first rotator 10, and one coaxial motor 3A controlled by the control device And a rotation transmission mechanism for individually driving and controlling the first rotator 10 and the second rotator 15 as a drive source, and an electrically variable display control according to the control command installed inside the center of the cover body 8 The symbol display 12 Equipped and,
The integrated cover 8 is in a transitional / stopped display state of symbols in two upper and lower rows of the first rotating body 10 and the second rotating body 15 in a region extending from the upper part of the longitudinal center of the hemispherical part to the center. An upper display window 8a that can be seen through from the front side, and a lower display window 8b that can be seen through from the front side of the design change / stop display state of the design indicator 12.
The first rotating body 10 is supported so as to be rotatable about the rotation axis a set to be inclined forward and downward with respect to the vertical surface of the game board 1, and rotation / positioning stop control is performed by the rotation transmission mechanism. In addition, a first symbol display surface 11 having a spherical shape that can be rotationally shifted along the rear surface of the hemispherical portion of the cover integral 8 is formed on the front outer peripheral portion of the first rotating body 10. A plurality of one-round symbols 11a capable of shifting / stop-displaying the lower surface area of the upper display window 8a of the cover 8 are arranged in the outer peripheral circle direction of the symbol display surface 11,
The second rotating body 15 is supported so as to be rotatable about the rotation axis a, and is controlled to be rotated / positioned and stopped by the rotation transmission mechanism. A second symbol display surface 16 having a spherical shape that can be rotationally shifted along the back surface of the hemispherical portion of the cover is formed, and the upper display window 8a of the cover integral 8 is formed in the outer peripheral circle direction of the second symbol display surface 16. A plurality of one-round symbols 16a capable of shifting / stop-displaying the upper surface area are arranged,
The rotation transmission mechanism includes a first drive unit 6 that drives a first drive shaft 4A whose rotation center is aligned with the rotation axis a to the coaxial motor 3A installed behind the second rotating body 15. the second driving unit 7 is placed before and after driving the second drive shaft 5A that is fitted coaxially on the outer periphery of the first drive shaft 4A, the front end is the second rotor of the first drive shaft 4A 15 is inserted through the center of the first rotary body 10 and connected to the center of the base end of the first rotating body 10, while the front end of the second drive shaft 5A is connected to the center of the base end of the second rotating body 15; The first rotating body 10 and the second rotating body 15 are set to rotate concentrically with each other according to the individual drive control of the first driving section 6 and the second driving section 7, and the first in the coaxial motor 3A . the rear end of the drive shaft 4A, to teach the rotational position of the specific portion of the first rotating member 10 The first teaching member 21A are combined for the rear end of the second drive shaft 5A in the motor assembly 3A, second teaching member 23A for teaching the rotational position of the specific portion of the second rotating body 15 is coupled In addition, a first fixed position sensor 20A and a second fixed position sensor 22A for detecting the rotation position of each specific part with respect to the first teaching member 21A and the second teaching member 23A are disposed. ,
The symbol display unit 12 is installed in a standing state in the rear surface of the lower display window 8b of the cover integral 8 so that a plurality of symbols 12a can be lit and changed one frame at a time according to an electrical control display. Is set,
By the upper display window 8a and the lower display window 8b of the cover integral 8, the symbol 16a of the second rotating body 15, the symbol 11a of the first rotating body 10, and the symbol 12a of the symbol indicator 12 are in front. A symbol display device for a pachinko machine, which is set so that it can be stopped and displayed in a uniform state at upper, middle and lower positions on a vertical line so that it can be seen through.