JP2005000298A - Support mechanism of game board - Google Patents

Support mechanism of game board Download PDF

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Publication number
JP2005000298A
JP2005000298A JP2003165051A JP2003165051A JP2005000298A JP 2005000298 A JP2005000298 A JP 2005000298A JP 2003165051 A JP2003165051 A JP 2003165051A JP 2003165051 A JP2003165051 A JP 2003165051A JP 2005000298 A JP2005000298 A JP 2005000298A
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Japan
Prior art keywords
game board
board
hinge
frame
front frame
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JP2003165051A
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JP4349845B2 (en
Inventor
Tsunekichi Oyama
恒吉 大山
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Sammy Corp
Samy KK
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Sammy Corp
Samy KK
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Priority to JP2003165051A priority Critical patent/JP4349845B2/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a support mechanism of a game board in which maintenance working efficiency on a game board rear surface side is improved. <P>SOLUTION: A game machine comprises a front frame assembled to an outer frame 10 for fixation holding so as to be opened and closed on the side to the front via a front frame hinge mechanism 3, the game board 30 housed in a housing frame 21 provided on the front frame from the back, and a back set board 40 assembled to the front frame 20 so as to be opened and closed on the side to the back via a back set board hinge mechanism 60. The game board 30 is supported so as to be opened and closed on the side and attached and detached to the back by a game board hinge mechanism 50 provided on a side edge on the opposite side of the front frame hinge mechanism 3 and the back set board hinge mechanism 60, and the rear surface side of the game board 30 is directed to the front, opened and held by a game board opening and holding mechanism 70 provided on the opening end side of the game board 30 and the opening end side of the back set board 40. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【０００１】
【発明の属する技術分野】
本発明は、固定保持用の外枠に前方に横開き開閉可能に組み付けられた前枠と、この前枠に設けられた収容枠に収容保持される遊技盤と、前枠に後方に横開き開閉可能に組み付けられる裏セット盤とを備えた遊技機における遊技盤の支持機構に関する。
【０００２】
【従来の技術】
上記のような外枠、前枠、遊技盤および裏セット盤を備えた遊技機として、パチンコ機やアレンジボール機、雀球機などが広く知られている。この種の遊技機の代表例とされるパチンコ機では、遊技施設の遊技島に固定される固定保持用の外枠に開閉搭載用の前枠が前枠ヒンジ機構を介して横開き開閉可能に取り付けられ、前面側に遊技領域を有する遊技盤が前枠に設けられた収容枠に着脱可能に収容保持され、遊技盤の前方を覆うガラス窓を通して遊技領域を遊技者に臨ませている。前枠の後方には、遊技盤から排出される遊技済み球を処理する処理機構や、入賞状態に応じて遊技球を払い出す賞球機構等を備えた裏セット盤（裏機構盤とも称される）が裏セット盤ヒンジ機構を介して後方に横開き開閉可能に組み付けられ、常には遊技盤の後面を覆って閉止保持される。
【０００３】
ここで、遊技盤は、パチンコ機の機種変更に対する生産対応の柔軟性を確保し、またいわゆる盤面替えや遊技盤の保守交換等に迅速に対応できるように、主要な形状寸法が共通化されており、一般的に、前枠に遊技盤の外形よりも幾分大きめな枠形状に形成された収容枠に着脱可能に収容され、各部に設けられた閉鎖クランプや固定レバー等の施錠具によってセット保持されるように構成される。なお遊技盤の着脱形態には、遊技盤を前枠の前方（前面側）から着脱する遊技盤前方着脱形態と、前枠の後方（後面側）から着脱する遊技盤後方着脱形態とがあり、いずれかの形態が採用されている。
【０００４】
ところで、近年のパチンコ機では、ゲーム展開を多様化させるために液晶表示装置が採用されるとともにそのサイズが年々大型化し、また画面表示の高度化に伴って画像表示基板が大型化し、あるいは入賞装置やランプ装置が複雑化するなど、遊技盤に組み付けられる各種遊技構成部品が高度化、複雑化して遊技盤の重量が増加の一途を辿っている。このため、遊技盤の装着作業は、大型かつ重量のある遊技盤を支持して収容枠に収容し、さらに片手で遊技盤を支持しながら施錠具を固定操作しなければならず、熟練作業者にとっても煩雑で重労働であるという問題があった。また遊技盤を取り外す脱着作業は、施錠具を解放状態にして遊技盤を収容枠から引き出す操作を行うが、このときには収容枠と遊技盤との間のわずかな隙間を利用して遊技盤を注意深く引き出す必要があり、また遊技盤を収容枠から引き出す際に遊技盤の全重量が急に作用することもあって、装着作業と同様に煩雑かつ重労働とされ、適切な支持を怠ると遊技盤を落下させてしまうおそれがあるという問題があった。
【０００５】
そこで、このような問題を解決して作業性を改善するため、前述した遊技盤後方着脱形態のパチンコ機にあって、前枠ヒンジ機構や裏セット盤ヒンジ機構と同じ側縁側（例えば、正面視における左側縁側）の前枠および遊技盤に、収容枠側ヒンジ金具および遊技盤側ヒンジ金具の軸ピンと軸孔との嵌合による遊技盤ヒンジ機構を設け、裏セット盤を前枠に対して開放させた状態で、遊技盤を収容枠の後方に横開き開閉および着脱可能に支持させた遊技盤の開閉着脱機構が提案されている（例えば、特許文献１を参照）。
【０００６】
【特許文献１】
特開２００３−１９３１９号公報（第３頁、第３〜９図）
【０００７】
【発明が解決しようとする課題】
確かに、上記特許文献１に開示された遊技盤の開閉着脱機構によれば、遊技盤を収容枠の後方に横開き開閉および着脱可能に支持させることができ、これにより従来重労働とされた遊技盤着脱作業の作業性を改善できそうである。しかしながら、このような遊技盤の開閉着脱機構では、遊技盤ヒンジ機構が前枠ヒンジ機構や裏セット盤ヒンジ機構と同じ側縁側に設けられていたため、遊技盤を収容枠に装着する際に、前枠と裏セット盤とに挟まれた奥部で、収容枠側ヒンジ金具および遊技盤側ヒンジ金具の軸ピンと軸孔の細かい位置合わせをして嵌合させる必要があり、この位置合わせの作業が案外煩雑であるという課題があった。
【０００８】
また、遊技盤の後面側（裏面側）には、入賞球を検出する入賞検出器や電動入賞具を開閉させる電磁石、ソレノイドなどの電気部品や可動部品、入賞球を流下させる球通路が形成された通路部材などが取り付けられており、これら各種部品の点検作業や球通路の清掃作業等を行う必要がある。このような日常的な保守作業は、従来では、前枠を前方に開放し遊技盤を収容枠に保持させたまま前枠の後方から行われていたが、裏セット盤ヒンジ機構が設けられた側縁側ではすぐ側方に位置する裏セット盤の存在によりこの側方領域の保守作業が行いにくいという問題や、遊技者用の椅子との位置関係で作業者が立てる作業領域が制限され苦しい作業姿勢を強いられるという問題など、遊技盤後面側の保守作業を行う上での作業性について改善すべき課題があった。
【０００９】
本発明は、上記のような従来技術の問題や開示技術の課題に鑑みてなされたものであり、遊技盤着脱時の作業性や遊技盤後面側の保守作業の作業性等を改善した遊技盤の支持機構を提供することを目的とする。
【００１０】
【課題を解決するための手段】
上記目的達成のため、本発明は、固定保持用の外枠と、この外枠に互いの一側縁側に設けられた前枠ヒンジ機構を介して前方に横開き開閉可能に組み付けられた開閉搭載用の前枠と、前面に遊技領域を有し前枠に設けられた収容枠に前枠の後方から収容保持される遊技盤と、前枠ヒンジ機構と同じ一側縁側に設けられた裏セット盤ヒンジ機構を介して前枠に後方に横開き開閉可能に組み付けられる裏セット盤とを備えた遊技機における遊技盤の支持機構である。この支持機構では、遊技盤が前枠および遊技盤における一側縁側と反対側の他側縁側に設けられた遊技盤ヒンジ機構により、収容枠の後方に横開き開閉および着脱が可能に収容されるとともに、遊技盤および裏セット盤には、前枠が外枠の前方に開放され裏セット盤が前枠の後方に開放されさらに遊技盤が前枠の後方に開放された遊技盤開放状態において相互に係脱可能な係合手段（例えば、実施形態における係合軸７１と受け金具７２とからなる遊技盤開放保持機構７０等）を備え、上記遊技盤開放状態で係合手段を係合させることにより、遊技盤が前枠の後方に開放された開放姿勢に保持されるように構成される。
【００１１】
このような遊技盤の支持機構では、遊技盤ヒンジ機構が、前枠ヒンジ機構や裏セット盤ヒンジ機構が設けられた一側縁側と反対側の他側縁側に設けられ、この遊技盤ヒンジ機構により遊技盤が収容枠の後方に横開き開閉および着脱可能に収容される。このため、前枠を外枠前方に開放し裏セット盤を前枠後方に開放した裏セット盤開放状態では、遊技盤ヒンジ機構が、開放された前枠の開放端側（前端側）に位置して視認および係脱操作容易に配設され、例えば、遊技盤を収容枠に収容させる装着作業では、収容枠側ヒンジ金具と遊技盤側ヒンジ金具とを容易に位置合わせして係合させることができる。そして、ヒンジ係合後は遊技盤の後面を前方に押圧して揺動閉止させることで遊技盤を簡単に収容枠に収容させることができる。
【００１２】
また、本構成の支持機構では、裏セット盤開放状態でさらに遊技盤が前枠の後方に開放された遊技盤開放状態において、相互に係脱可能な係合手段が遊技盤および裏セット盤に備えられており、遊技盤開放状態で係合手段を係合させることにより、遊技盤と裏セット盤とが連結されて遊技盤が前枠の後方に開放された開放姿勢に保持される。ここで、前枠ヒンジ機構および裏セット盤ヒンジ機構は同じ一側縁側（例えば、正面視における左側縁側）に設けられ、遊技盤ヒンジ機構は反対側の他側縁側（同上、右側縁側）に設けられている。そして、係合手段によって遊技盤が開放姿勢に保持された状態では、遊技盤が、前枠の開放端側（右側縁側）と裏セット盤の開放端側（右側縁側）との間を繋いで支持され、遊技盤の後面側が前方に開いた状態で配設される。このため、遊技盤の後面側全域について支障なく保守作業を行えるほか、隣接する遊技機の遊技者用の椅子に腰掛けて楽な作業姿勢で保守作業を行うことができる。
【００１３】
従って、本発明によれば、従来技術の問題および開示技術の課題を解決して、遊技盤着脱時の作業性や遊技盤後面側の保守作業の作業性等を改善した遊技盤の支持機構を提供することができる。
【００１４】
【発明の実施の形態】
以下、本発明の好ましい実施形態について添付図面を参照しながら説明する。本発明に係る遊技盤の支持機構を備えた遊技機の一例として、図１にパチンコ機ＰＭの正面図を、図２にパチンコ機ＰＭの背面図を、図３に外枠を取り外して裏セット盤を開放した状態におけるパチンコ機ＰＭの背面図を示しており、まずこれらの図面を参照してパチンコ機ＰＭの全体概要について説明する。
【００１５】
パチンコ機ＰＭは、外郭方形枠サイズに構成された固定保持用の外枠１０の前面側に、この外枠１０の前側開口面域に合わせた方形枠サイズの開閉搭載用の前枠２０が、正面視における互いの左側縁上下に配設された前枠ヒンジ機構３（３Ｕ，３Ｌ）により前方に横開き開閉および着脱が可能に取り付けられ、正面右側に設けられた施錠装置４を利用して、常には外枠１０と係合された閉鎖状態に保持される。外枠１０は木材や樹脂材等で加工成形された上下の枠板１１，１４および左右の枠板１２，１３を直角に枠組み連結すると共に、各隅角部に補強金具を固定して構成される。
【００１６】
前枠２０の前面上部には、前枠２０の前側面域に合わせた方形状のガラス扉５および上球皿６が前方に横開き開閉および着脱可能に取り付けられ、その下方には遊技球を貯留する下球皿７および遊技球の発射操作を行う発射ハンドル８が取り付けられている。一方、前枠２０の後面側上部には、ガラス扉５の背後に位置して遊技盤３０を収容保持する収容枠２１が設けられている。本実施例では収容枠２１を前枠２０の後面側に一体成型したタイプを例示する。
【００１７】
遊技盤３０は、積層合板の前面側にセルが貼付された化粧板（ベニヤとも称される）３１を基盤として構成される。遊技盤３０の前面側には、内外の案内レールに囲まれて略円形の遊技領域ＰＡが区画形成され、その内側に多数本の遊技釘とともに、風車、各種入賞具３４、画像表示装置３５等が所定のゲージ設定に基づいて配設されている。遊技領域ＰＡの下端にはこの領域を落下した遊技球を化粧板３１の裏面側に排出するアウト口３７が設けられている。
【００１８】
遊技盤３０は、後に詳述する遊技盤ヒンジ機構５０（５０Ｕ，５０Ｌ）により前枠２０の後方に横開き開閉および着脱が可能に支持され、収容枠２１の周辺各部に設けられた複数の閉鎖クランプ２３，２３′により収容枠２１に収容された閉鎖姿勢で係止保持され、常には遊技盤前面の遊技領域ＰＡをガラス扉５を通して遊技者に臨ませている。前枠２０の後面側下部には、発射ハンドル８の回動操作に基づいて遊技球を発射する遊技球発射装置９が設けられている。
【００１９】
遊技盤３０の後方に位置して裏セット盤４０が配設される。裏セット盤４０には、上面開放の箱状に形成されて遊技球を貯留する球貯留タンク４１、球貯留タンク４１から供給された遊技球を整列させて流下させるタンクレール４２、整列待機された遊技球を所定の入賞状態に基づいて遊技球を払い出す球払出装置４４、球払出装置から払い出された遊技球を上下の球皿６，７に導く球払出通路４５などの賞球機構、および遊技盤３０から裏面側に排出されたアウト球およびセーフ球を遊技施設側の回収バケットに流下させる遊技済み球排出通路４６が設けられている。また裏セット盤４０の後面側には電源基盤や主制御基板、払出制御基板などの各種回路基盤が取り付けられ、これらの回路基板と電気・電子部品とが配線接続されて遊技可能に構成される。
【００２０】
裏セット盤４０は、次述する裏セット盤ヒンジ機構６０（６０Ｕ，６０Ｌ）により、前枠２０が外枠１０の前方に開放された状態で、前枠２０の後方に横開き開閉および着脱が可能に取り付けられ、裏セット盤４０の周縁各部に設けられた複数のロックレバー２５，２５…を利用して常には遊技盤３０の後面側を覆って閉鎖保持される。
【００２１】
さて、以上のように概要構成されるパチンコ機ＰＭにあって、図４に遊技盤３０を開放姿勢に保持させたパチンコ機ＰＭの平面図を示すように、裏セット盤４０を前枠後方に横開き開閉および着脱可能に支持する裏セット盤ヒンジ機構６０は、前枠ヒンジ機構３が設けられた側縁と同じ側縁側、すなわち、正面視における前枠２０および裏セット盤４０の互いの左側縁側（背面視における右側縁側）に設けられている。図５に裏セット盤４０を開放した状態における裏セット盤ヒンジ機構６０の背面図を示す。なお、裏セット盤ヒンジ機構６０および遊技盤ヒンジ機構５０の説明では、前枠２０を開放して後面側から見た状態を主として示し説明するため、図３に示した背面視における左右方向をもって左右と称し説明する。
【００２２】
裏セット盤ヒンジ機構６０は、上下一対のヒンジ機構６０Ｕ，６０Ｌからなり、各ヒンジ機構６０Ｕ，６０Ｌは、それぞれ前枠２０の後面側にネジ固定された前枠側ヒンジ金具６１，６１と、裏セット盤３０の前面側にネジ固定された裏セット盤側ヒンジ金具６２，６２とからなり、これらのヒンジ金具の軸ピンと軸孔の嵌合によるヒンジ機構である。
【００２３】
前枠側ヒンジ金具６１は、上下に延びる帯板状の固定フランジ部６１ａと、この固定フランジ部の下部が直角に折り曲げられて後方に水平に延びるヒンジプレート部６１ｂとを有し、ヒンジプレート部６１ｂには上方に突出して先端テーパ状のヒンジピン６１ｃがカシメ固着されている。固定フランジ部６１ａには、前枠２０のヒンジ金具取付部に後方に突出成形された位置決め突起６３ｄと嵌脱可能な位置決めピン孔６１ｄが形成されるとともに、その上下にサラ穴形態のネジ挿通孔が形成されている。
【００２４】
前枠側ヒンジ金具６１は、例えば板厚２．３ｍｍ程度の冷間圧延鋼板をプレス成型等により図示する所定形状に打ち抜きおよび曲げ成形し、ヒンジピン６１ｃをヒンジプレート部６１ｂにカシメ固着した後、ユニクロメッキ等の所要の表面処理を施して形成される。そして、固定フランジ部６１ａに形成された位置決めピン穴６１ｄをヒンジ金具取付部の位置決め突起６３ｄに嵌合させて位置決めし、上下のネジ挿通孔にサラ小ネジ６８を挿通させて前枠側のネジ受容孔に締め込むことにより、前枠２０の上下の設定基準位置に固定される。
【００２５】
一方、裏セット盤側ヒンジ金具６２は、上下に延びる帯板状の固定フランジ部６２ａと、この固定フランジ部６２ａの下部が直角に折り曲げられて前方に水平に延びるヒンジプレート部６２ｂとを有し、ヒンジプレート部６２ｂにはヒンジピン６１ｃの軸外径よりもわずかに大きめの内径を有してヒンジピン６１ｃと嵌脱自在な軸受孔が形成されている。裏セット盤３０のヒンジ金具取付部には、固定フランジ部６２ａの外周を取り囲むように係合して裏セット盤側ヒンジ金具６２を位置決めする位置決めリブ６４ａおよびネジを受容する円筒状のネジボス６４ｂが形成される一方、固定フランジ部６２ａにはこのように位置決めされたときに裏セット盤側のネジボスと位置整合するサラ穴形態のネジ挿通孔が形成されている。
【００２６】
裏セット盤側ヒンジ金具６２は、前枠側ヒンジ金具６１と同様に、例えば板厚２．３ｍｍ程度の冷間圧延鋼板をプレス成型等により図示する所定形状に打ち抜きおよび曲げ成形した後、ユニクロメッキ等の所要の表面処理を施して形成される。そして、固定フランジ部６２ａを位置決めリブ６４ａに係合させて位置決めしネジ挿通孔にサラ小ネジ６８をねじ込んで締め込むことにより、裏セット盤３０の上下の設定位置に固定される。
【００２７】
そして上下の裏セット盤側ヒンジ金具６２の軸受孔を各々対応する前枠側ヒンジ金具６１のヒンジピン６１ｃに係合させることで、上下のヒンジ金具が相互に係合連結され、ヒンジ機構６０が形成される。なお、裏セット盤ヒンジ機構６０では、上下の裏セット盤側ヒンジ金具６２，６２の配設ピッチを、上下の前枠側ヒンジ金具６１，６１の配設ピッチよりも幾分狭く（下側の裏セット盤側ヒンジ金具の取付位置を幾分上方に）設定している。このため、上下２箇所のヒンジ機構を連結させる際に、まず上方のヒンジ機構６０Ｕに注目してヒンジピンに軸受孔を係合させ、次いで下方のヒンジ機構６０Ｌに注目してヒンジピンに軸受孔を係合させることで、１箇所ずつ容易に嵌合接続できるようになっている。
【００２８】
こうして上下の前枠側ヒンジ金具６１，６１と裏セット盤側ヒンジ金具６２，６２とが係合連結されると、裏セット盤４０はこれら上下のヒンジ機構６０Ｕ，６０Ｌにより前枠２０の後方に横開き開閉自在に支持される。
【００２９】
一方、遊技盤３０を前枠２０の後方に横開き開閉および着脱可能に支持する遊技盤ヒンジ機構５０は、前枠ヒンジ機構３および裏セット盤ヒンジ機構６０が設けられた側縁と反対の側縁側、すなわち、背面視における前枠２０および遊技盤３０の互いの左側縁側（正面視における右側縁側）であり、前枠２０の開放端側に設けられている。以下、図６〜図８の各図を交えて参照しながら、遊技盤ヒンジ機構５０について詳細に説明する。
【００３０】
ここで、図６は収容枠２１から遊技盤３０を取り外して斜め後方から見た遊技盤ヒンジ機構５０の斜視図、図７は収容枠２１に遊技盤３０を収容させた状態の遊技盤ヒンジ機構５０の背面図、図８は上方のヒンジ機構におけるヒンジピンとヒンジ溝との係合状態を主として示す側断面図、図９は収容枠側ヒンジ金具に遊技盤側ヒンジ金具を係脱させるときの作用を主として示す平面図である。
【００３１】
遊技盤ヒンジ機構５０は、上下一対のヒンジ機構５０Ｕ，５０Ｌからなり、それぞれ収容枠２１の左側縁の内側に設けられた収容枠側ヒンジ金具５１，５１、および化粧板３１の外周部に設けられた遊技盤側ヒンジ金具５２，５２のヒンジピン５１ｃ，５１ｃとヒンジ溝５２ｃ，５２ｃとの係脱により水平方向から着脱が可能、および係合状態で揺動開閉が可能なヒンジ機構である。
【００３２】
収容枠側ヒンジ金具５１は、上下に延びる帯板状の固定フランジ部５１ａと、この固定フランジ部の下部が直角に折り曲げられて後方に水平に延びるヒンジプレート部５１ｂとを有し、ヒンジプレート部５１ｂには、上方の収容枠ヒンジ金具では下方に向けて、下方の収容枠側ヒンジ金具では上方に向けて、相互に対向するようにヒンジピン５１ｃが突出してカシメ固着されている。固定フランジ部５１ａには、収容枠２１のヒンジ金具取付部に突出成形された位置決め突起５３ｄと嵌脱可能な位置決めピン孔５１ｄが形成されるとともに、その左右にサラ穴形態のネジ挿通孔が形成されている。
【００３３】
収容枠２１の左側縁側の上下には、上下の収容枠側ヒンジ金具５１，５１を止着するヒンジ金具取付部が形成されている。このうち、上方のヒンジ金具取付部では、段付き軸状に形成され位置決めピン穴５１ｄと嵌合して収容枠側ヒンジ金具５１を位置決め支持する位置決め突起５３ｄが前枠２０の前面側から後方に突出成形されるとともに、その左右には収容枠側ヒンジ金具のネジ挿通孔と位置整合し軸心にネジ受容孔を有する円筒状のネジボス５３ｂが突出成型されている。また、下方のヒンジ金具取付部では、支持面および前方の壁面が収容枠側ヒンジ金具５１の板厚に合わせて凹状に成型されるとともに、当該前方の壁面に位置決めピン穴５１ｄと嵌合して収容枠側ヒンジ金具５１を位置決めする位置決め突起５３ｄおよび収容枠側ヒンジ金具のネジ挿通孔と位置整合するネジ受容孔が形成されている。
【００３４】
収容枠側ヒンジ金具５１は、例えば板厚１．６ｍｍ程度の冷間圧延鋼板をプレス成型等により図示する所定形状に打ち抜きおよび曲げ成形し、ヒンジピン５１ｃをカシメ固着した後、ユニクロメッキ等の所要の表面処理を施して形成される。上下の収容枠側ヒンジ金具５１は、固定フランジ部５１ａに形成されたピン穴５１ｄをヒンジ金具取付部の位置決め突起５３ｄに嵌合させて位置決めし、左右のネジ挿通孔にサラ小ネジ５７を挿通させて前枠側のネジ受容孔に締め込むことにより、上下それぞれの設定位置に固定される。そして、このように収容枠側ヒンジ金具５１，５１が収容枠２１の上下設定位置に取着されると、上下のヒンジプレート部５１ｂ，５１ｂが所定間隔を隔てて上下平行に配設され、これらのヒンジプレート部から突出するヒンジピン５１ｃ，５１ｃが相対向して同一軸上に配設される。
【００３５】
一方、化粧板３１の外周部上下に取り付けられる遊技盤側ヒンジ金具５２，５２は、ともに側面視Ｌ字状をなし、これら上下の遊技盤側ヒンジ金具の中間に遊技盤に直交方向に立てた面に対して面対称（ミラーイメージ）に形成される。遊技盤側ヒンジ金具５２は、化粧板３１の背面に固定される固定フランジ部５２ａと、この固定フランジ部５２ａの上部または下部が直角に折り曲げられて化粧板３１の外周面と平行に延びるヒンジプレート５２ｂ、このヒンジプレート５２ｂに前後方向に延びて形成されたヒンジ溝５２ｃ、固定フランジ部５２ａに穿設されたネジ挿通孔などからなり、収容枠側ヒンジ金具５１と同様の鋼板を同様の加工手段により加工成形して形成される。
【００３６】
固定フランジ部５２ａおよびヒンジプレート部５２ｂは、遊技盤側ヒンジ金具５２が化粧板３１にネジ固定された取付状態において、平面視、化粧板３１から突出しないように形成されている。具体的には、遊技盤側ヒンジ金具５２の前後方向の外形寸法が化粧板３１の板厚と同一またはこれより幾分小さめに形成され、遊技盤側ヒンジ金具５２の前端角部には化粧板３１の前端角部と同様の円弧状の逃げ面５２ｒが形成されて、遊技盤側ヒンジ金具５２の取付状態において化粧板３１から前後および左右に突出しないようになっている。
【００３７】
ヒンジ溝５２ｃは、ヒンジプレート部５２ｂの後端から前方に延びる後端開放のＵ字溝状に形成されている。ヒンジプレート部５２ｂにおけるヒンジ溝５２ｃの形成位置は、ヒンジプレート部５２ｂの左端部からヒンジ溝５２ｃの中心までの距離が、収容枠２１における前方枠部の支持面からヒンジピン５１ｃの軸心までの距離よりも幾分小さめに設定され、溝幅は後端の開口部でヒンジピン５１ｃの直径よりも幾分大きく前端の軸受部でヒンジピン５１ｃの外径と同一半径の円弧状に形成されている。
【００３８】
遊技盤３０の左側縁側の上下には、遊技盤側ヒンジ金具５２を収容する金具収容部３２が形成されている。すなわち、遊技盤の裏面には、遊技盤側ヒンジ金具の固定フランジ部５２ａを収容する固定収容部３２ａが形成され、遊技盤３０の外周角部には遊技盤側ヒンジ金具のヒンジプレート部５２ｂを収容するプレート収容部３２ｂが切り欠き成形されている。
【００３９】
このうち固定収容部３２ａは、遊技盤側ヒンジ金具５２の板厚と同一またはこれより幾分大きめの切り込み深さで、固定フランジ部５２ａの形状に合わせて化粧板３１の裏面をルータ加工することにより形成され、この固定収容部３２ａに固定フランジ部５２ａをネジ固定したときに、固定フランジ部５２ａを収容して遊技盤側ヒンジ金具５２が化粧板３１の裏面から後方に突出しないようになっている。また、このように化粧板３１の裏面側に固定収容部３２ａを設け、盤面と直交方向にねじ止めすることにより、積層合板の積層方向と直交方向にネジを打ち込んで遊技盤側ヒンジ金具５２を強固に固定することができる。なお、図示するナベ頭形態のネジ５８に代えてサラ頭形態のネジを用いることで化粧板３１の裏面側への突出量をさらに低減させることも可能である。
【００４０】
上下のプレート収容部３２ｂは、ヒンジプレート部５２ｂが配設される化粧板３１の上下の外周部を、上下ヒンジピン５１ｃの突出高さよりも幾分大きめの切り込み深さでルータ加工することにより形成され、遊技盤ヒンジ金具５２を配置したときにヒンジプレート部５２ｂをこのプレート収容部３２ｂ内に収容可能に構成されている。
【００４１】
遊技盤側ヒンジ金具５２は、ヒンジプレート部５２ｂの左端角部を化粧板３１の左端角部（遊技盤の外形輪郭線の交点）に合わせ、上下それぞれのヒンジプレート部５２ｂを化粧板３１の上面または下面に合わせて配設し、固定フランジ部５２ａの裏面側からネジ５８を固定収容部３２ａにねじ込むことにより、遊技盤３０の左角部上下に固定される。そしてこのように遊技盤側ヒンジ金具５２が取り付けられると、遊技盤側ヒンジ金具５２の固定フランジ部５２ａが固定収容部３２ａに収容され、ヒンジプレート部５２ｂがプレート収容部３２ｂに収容されて、遊技盤ヒンジ金具５２が遊技盤３０から前後および外周に突出しないように配設される。またヒンジプレート部５２ｂとプレート収容部３２ｂの切り欠き面との間に、ヒンジピン５１ｃの頭部を受容可能なピン収容空間が形成される。
【００４２】
こうして上下の遊技盤側ヒンジ金具５２，５２が化粧板３１に取着されると、上下のヒンジプレート部５２ｂ，５２ｂは、これらの外面間隔が上下の収容枠側ヒンジ金具におけるヒンジプレート部５１ｂ，５１ｂの内面間隔よりも幾分小さめの間隔を有して上下平行に配設され、上下のヒンジ溝５２ｃ，５２ｃが平面視において重なって配設される。
【００４３】
そして、このようにして上下の収容枠側ヒンジ金具５１，５１が収容枠２１の左側縁の内側に取り付けられ、上下の遊技盤側ヒンジ金具５２，５２が化粧板３１の外周部に取り付けられると、図９に二点鎖線で示すように、収容枠２１に対して遊技盤３０を略直交させた角度姿勢でヒンジピン５１ｃに対してヒンジ溝５２ｃを係脱させることができ、係合状態では上下のヒンジピン５１ｃ，５１ｃが形成する揺動軸まわりに相対揺動させることができる。
【００４４】
ここで前述したように、遊技盤ヒンジ機構５０は前枠２０の開放端部側（開放された前枠２０の前端側）の視認しやすい位置に配設されている。そして下側のヒンジ機構５０Ｌでは収容枠側ヒンジ金具５１が収容枠２１の支持面に沿って配設され、遊技盤側ヒンジ金具５２は化粧板３１の下面に沿って配設されている。また、ヒンジプレート部５２ｂの左端部からヒンジ溝５２ｃの中心までの距離は、収容枠２１における前方枠部の支持面からヒンジピン５１ｃの軸心までの距離よりも幾分小さめに設定されている。
【００４５】
このため、収容枠側ヒンジ金具５１と遊技盤側ヒンジ金具５２とを係脱させる際には、視認および係脱操作が容易な収容枠２１の開放端側に遊技盤３０をほぼ直交させた配設姿勢でヒンジプレート部を収容枠２１の支持面に載置して荷重を支持させ、化粧板３１の左側端面を収容枠２１の前方枠部に当接させた状態で、遊技盤３０をそのまま収容枠２１の左方向に水平にスライド移動させることで、ヒンジピン５１ｃにヒンジ溝５２ｃを係合させることができる。従って、遊技盤３０の荷重を支持しながら視認し難い奥部のヒンジピンとピン孔との上下位置合わせを行うような煩雑な作業を行う必要がなく、かつヒンジピン５１ｃに対するヒンジ溝５２ｃの位置合わせを行う必要もないため、容易に遊技盤３０を装着することができる。
【００４６】
そして、ヒンジピン５１ｃにヒンジ溝５２ｃを係合させた後は、遊技盤３０の右辺側を前方に押圧して揺動させることで、ヒンジピン５１ｃとヒンジ溝５２ｃとの係合状態を確保しつつ上下のヒンジピン５１ｃ，５１ｃを軸とする揺動軸のまわりに遊技盤３０を回動させて収容枠２１に開閉することができる。これにより、遊技盤３０が収容枠２１に後方に横開き開閉および着脱可能に収容され、比較的重量の遊技盤であっても収容枠２１の後方から容易に着脱させることができる。また、遊技盤側ヒンジ金具５２が化粧板３１の外形輪郭線から外周方向に突出しない外形サイズ内に配設されるため、遊技盤３０を単体で取り扱う時に周辺部材に引っ掛けて当該周辺部材に損傷を与えたりたり、遊技盤ヒンジ金具５２を変形させてしまうおそれを低減することができる。
【００４７】
さらに、本構成の遊技盤ヒンジ機構５０では、一旦ヒンジピン５１ｃにヒンジ溝５２ｃを係合させて閉止方向に揺動させると、以降ヒンジピン５１ｃとヒンジ溝５２ｃとの係合が外れることがない。このため着脱角度位置〜閉止角度位置の間で遊技盤３０を支えることなく自由に揺動開閉し、任意の開放角度位置で保持させることができる。また、遊技盤３０を収容枠２１に閉止させた状態では、前後方向に配向されたヒンジ溝５２ｃとヒンジピン５１ｃとの係合によって左右方向に作用する外力に対抗し、またヒンジ溝前端の軸受部とヒンジピン５１ｃとの係合により遊技盤３０の前方から作用する外力に対して抗力が高い構成になっている。
【００４８】
以上では、収容枠側ヒンジ金具５１にヒンジピンを設け、遊技盤側ヒンジ金具５２にヒンジ溝を形成した例を示したが、ヒンジピンとヒンジ溝の配設位置は逆であってもよい。例えば、遊技盤側ヒンジ金具５２に上下内向きに突出するヒンジピンを設けてプレート収容部３２ｂ内に収容させる一方、収容枠側ヒンジ金具５１にヒンジピンと係脱可能なヒンジ溝を形成し、遊技盤側ヒンジ金具５２のヒンジプレート部５２ｂと化粧板３１との間のプレート収容部３２ｂに収容枠側ヒンジ金具のヒンジプレート部５１ｂを進入させて遊技盤側のヒンジピンを収容枠側のヒンジ溝に係合させるように構成することもできる。このような構成によれば、ヒンジプレート部５２ｂに溝を有しないことに加えてヒンジピンがプレート収容部３２ｂ内に配設されるため、外力に対してさらに損傷を受けにくい遊技盤ヒンジ機構を構成することができる。
【００４９】
遊技盤ヒンジ機構５０が設けられた側縁と反対側、すなわち収容枠２１における右側縁の上下中央部には、上記のようにヒンジ係合され収容枠２１に閉止された遊技盤３０を後方に付勢する開放補助部材５５が付設されており、遊技盤３０の開放操作を容易に行えるようになっている。図１０に開放補助部材５５の取付部近傍の斜視図を、図１１に遊技盤３０を開閉する際の開放補助部材５５の作用を示す平断面図を示す。
【００５０】
開放補助部材５５は、上下所定間隔をおいてネジ挿通孔が穿設された矩形フランジ状の固定部５５ａ、固定部５５ａの左側縁が直角に折り曲げられて前方に延びる第１側辺部５５ｂ、第１側辺部５５ｂの前端側が前方に凸の半円弧状に折り折り返されたアーチ部５５ｃ、アーチ部５５ｃと繋がって第１側辺部と平行に後方に延びる第２側辺部５５ｄ、第２側辺部の後部が第１側辺部と反対側の斜め後方に折り曲げられた付勢片部５５ｅなどからなり、例えば板厚０．５〜１ｍｍ程度のステンレス鋼板を打ち抜きおよびプレス成型して図示形状に成形して形成される。
【００５１】
収容枠２１には、右側方の側枠部が開放補助部材５５の高さ寸法に合わせて切りか欠かれ固定部５５ａを取着する固定支持部２１ａが形成され、その前方にネジを受容するネジボスが上下所定間隔をおいて形成されるとともに、側枠部の内側の壁面が開放補助部材５５の板厚および第１側辺部５５ｂの形状に合わせてザグリ成型され第１側辺受容部２１ｂが設けられている。また化粧板３１の前面を支持する前方枠部には、付勢片部５５ｅを収容枠２１の内側に突出させる切り欠き部２１ｅが形成されている。
【００５２】
開放補助部材５５は、固定部５５ａを固定支持部２１ａに支持させ、固定部に形成されたネジ挿通孔にネジ５９を通してネジボスに螺合締結することで、側枠部の設定位置に固定される。開放補助部材５５がネジ固定されると、第１側辺部５５ｂが側枠部の内側にザグリ成型された第１側辺受容部２１ｂに収容されて側枠部の壁面から内側に突出することなく配設され、アーチ部５５ｃおよび第２側辺部５５ｄが収容枠２１の側枠部と前方枠部との間の溝部に収容され、付勢片部５５ｅが切り欠き部２１ｅから収容枠２１の内側に斜め後方に突出して、その先端側が前後に揺動変位可能に配設される。
【００５３】
ここで、第１側辺部５５ｂおよび第２側辺部５５ｄの外面間隔は、収容枠２１における側枠部と前方枠部との間の溝幅よりも小さく設定されており、付勢片部５５ｅが前方に押圧されたときに、第１側辺部５５ｂから付勢辺部５５ｅの先端に至る各部が弾性変形して弾性力を蓄積する。また、このように第１辺部５５ｂと押圧辺部５５ｅとの間にアーチ部５５ｃを設けることにより、各構成部材の位置制度や形状精度のばらつきの影響を受けにくく、かつ広い範囲に弾性力を蓄積させることで安定した付勢力を発生させることができる。なお、付勢片部５５ｅの先端部は前方に向けて緩いＲ状に形成されており、化粧板３１の前面と滑らかに係合し得るようになっている。
【００５４】
このため、遊技盤ヒンジ機構５０に支持させた遊技盤３０を閉止方向に揺動させると、化粧板３１の前面が前方枠部の支持面と平行になる直前の相対角度位置で、化粧板３１の前面が枠内に斜め後方に突出する付勢片部５５ｅの先端部と滑らかに係合する（図１１中の二点鎖線を参照）。この接触状態から化粧板３１の後面を前方に押圧して遊技盤３０をさらに閉止方向に揺動させると、開放補助部材５５の第１側辺部５５ｂ〜付勢片部５５ｅの先端に至る各部が弾性変形して付勢片部５５ｅの先端側が前方に揺動変位し、化粧板３１の前面が前方枠部に当接する閉鎖角度位置では、付勢片部５５ｅが前方枠部に形成された切り欠き部２１ｅに収容されて前方枠部と化粧板３１との間に挟持されるように配設される（図１１中の実線を参照）。
【００５５】
そして、このように開放補助部材５５を弾性変形させた状態で、収容枠２１の周辺各部に設けられた閉鎖クランプ２３を回動操作し、クランプレバー２３ａを化粧板３１の背面に係合させることで、遊技盤３０が収容枠２１に収容された閉鎖姿勢で収容保持される。
【００５６】
閉鎖クランプ２３は、化粧板３１と係合する前面側に半球状の突起部をエンボス成型したクランプレバー２３ａ、前枠２０に後方に突出して植設されクランプレバーを鉛直面内に回動自在に支持する支軸２３ｂ、支軸２３ｂに支持されたクランプレバー２３ａを前方に付勢するコイルバネ２３ｃ、支軸後端に螺着されてコイルバネ２３ｃを圧縮保持させる袋ナット２３ｄなどにより構成される。
【００５７】
この閉鎖クランプ２３では、レバー側部に曲げ起こされた指掛け部を利用してクランプレバー２３ａを回動操作することにより、クランプレバー２３ａを化粧板３１の後面に係脱させ、コイルバネ２３ｃの弾性を利用して化粧板３１の後面を弾性的に押圧し、化粧板３１の板厚のばらつきに拘わらず遊技盤３０の固定を行えるようになっている。本実施例ではこのような閉鎖クランプ２３を、遊技盤ヒンジ機構５０が設けられた左側縁側に１箇所、開放補助機構５５が設けられた右側縁側の上下に２箇所設け、さらに収容枠２１の下部中央にコイルバネを有しない形態の閉鎖クランプ２３′を１箇所設けた例を示している。
【００５８】
一方、上記のように収容枠２１に閉鎖姿勢で収容保持された遊技盤３０の閉鎖クランプ２３を解放方向に回動操作して閉止を解除し、化粧板３１を前方に押圧する押圧力を解除すると、開放補助部材５５の各部に蓄えられていた弾性力により開放補助部材５５が弾性変形前の形状に自己復帰し、付勢片部５５ｅの先端部が化粧板３１の前面を後方に押圧して遊技盤３０を開放方向に揺動させる。
【００５９】
これにより、化粧板３１の右辺側が収容枠２１から浮き上がって配設される。このため、作業者は浮き上がった化粧板３１の右辺部に指を掛けて容易に遊技盤３０を揺動開放させることができる。またパチンコ機ＰＭでは、開放補助部材５５と係脱する係合部位の直上部にあたる化粧板３１の裏面側に、次述する遊技盤開放保持機構７０の受け金具７２を設け、この受け金具７２に指掛け容易なフックプレート部７２ｃを形成している（図３、図４および図１３等を参照）。このため、本構成のパチンコ機ＰＭでは、このフックプレート部７２ｃに指を掛けて引き出すことで遊技盤３０を容易に揺動開放させることができ、かつ前後方向に形成されたヒンジ溝５２ｃとヒンジピン５１ｃとの係合により、着脱角度位置〜閉止角度位置の間でヒンジ係合が外れることなく任意の開放角度位置に保持できるようになっている。
【００６０】
なお、実施例では、開放補助部材５５を収容枠２１の右側縁中央部に一箇所設けた例を示したが、遊技盤ヒンジ機構５０の揺動軸から離れた位置に配設するものであればよく、例えば右側縁の上方もしくは下方に一箇所設け設け、あるいは上下に複数箇所設け、または上下の枠部に設ける構成としてもよい。
【００６１】
さて、パチンコ機ＰＭには、以上のようにして前枠２０が外枠１０の前方に開放され、裏セット盤４０が前枠２０の後方に開放され、さらに遊技盤３０が前枠２０の後方に開放された遊技盤開放状態において、遊技盤３０を開放姿勢に保持させる遊技盤開放保持機構が設けられている。以下、図１２〜図１６を参照して第１実施例の遊技盤開放保持機構７０について説明する。
【００６２】
ここで、図１２は遊技盤開放保持機構７０により遊技盤３０が開放姿勢に保持された状態を示す平面図、図１３は遊技盤開放保持機構７０の主要部を示す分解斜視図、図１４は図１２中の矢印ＸＩＶ方向から見た遊技盤開放保持機構７０の矢視図、図１５は図１２中の矢印ＸＶ方向から見た遊技盤開放保持機構７０の矢視図、図１６は遊技盤開放保持機構７０の平面図（部分断面図）を示し、図１４〜図１６の各図における（ａ）図および（ｂ）図は、それぞれ係合前および係合後の状態を示している。
【００６３】
遊技盤開放保持機構７０は、相互に係合可能な裏セット盤４０側の係合軸７１と遊技盤側３０の受け金具７２とを主体として構成され、前枠２０、裏セット盤４０および遊技盤３０を開放させた遊技盤開放状態で、係合軸７１を受け金具７２に係合させることにより、遊技盤３０を開放姿勢で係止保持するように構成される。
【００６４】
裏セット盤４０側の係合軸７１は、中実シャフト状の軸部７１ｂ、軸部７１ｂの中間部に打ち込まれて軸直交の外周方向に突出する規制ピン７１ｃ、軸部７１ｂの後端に固着され規制ピン７１ｃと直交する外周方向に延びる舌片状の操作レバー部７１ｄ、軸部の前端側が先細のテーパ状に成形された遊技盤係合部７１ｅなどからなり、所定線径の鋼棒を旋削または転造して遊技盤係合部７１ｅを形成し規制ピン７１ｃおよび操作レバー部７１ｄを固着したうえ、所要の表面処理を施して形成される。
【００６５】
裏セット盤４０の右枠杆４７には、遊技盤側の受け金具７２の配設高さと整合する高さ位置に係合軸取付部４８が形成されている。係合軸取付部４８では、右枠杆４７の外側の側面が凹設されて係合軸７１の収容スペースが設けられ、その前方にスライドガイド４８ａ、後方にスライド規制片４８ｄが一体成型されている。
【００６６】
スライドガイド４８ａには、軸部７１ｂの外形と同一若しくはわずかに小さめの内径を有する支軸部４８ｂが前後に貫通して形成され、係合軸７１をスライドガイド４８ａの後方から嵌脱自在に受容するとともに、受容した係合軸７１を軸部７１ｂの延びるスラスト方向（前後方向）にスライド可能、ラジアル方向に回動可能に支持する。支軸部４８ｂの外側の支持壁面は、規制ピン７１ｃのピン径よりも幾分大きめの溝幅で切り離されて前後に延びるスリット溝４８ｃが形成されており、支軸部４８ｂに受容した係合軸の規制ピン７１ｃが、このスリット溝４８ｃを通って前後に移動可能になっている。
【００６７】
スライドガイド４８ａの前後方向の寸法は、図１４の（ａ）図および（ｂ）図からも明らかなように、係合軸７１における規制ピン７１ｃ〜操作レバー部７１ｄの間隔と略同一に設定されており、スリット溝４８ｃを通して規制ピン７１ｃを前方に移動させると、操作レバー部７１ｄがスライドガイド４８ａの後端面に当接したときに、規制ピン７１ｃがスリット溝４８ｃを抜けてスライドガイド４８ａの前方に位置し、その位置で操作レバー部７１ｄを回動させると規制ピン７１ｃがスライドガイド４８ａの前端面に沿って回動するようになっている。
【００６８】
換言すれば、規制ピン７１ｃがスライドガイド４８ａの前端面と係合状態にあるときには、係合軸７１はラジアル方向の回動のみが許容されて前後方向への移動および軸直交方向への移動が規制され、例えば前方から押圧力を受けても係合軸７１がスライドガイド４８ａ内に引っ込むようなことがない。
【００６９】
また、スライド規制片４８ｄは、規制ピン７１ｃがスライドガイド４８ａの後方に位置した状態で回動され、規制ピン７１ｃがスライドガイド４８ａの後端面と係合状態にあるときの、操作レバー部７１ｄの後端位置に合わせて形成されており、操作レバー部７１ｄが下垂された格納位置では、スライドガイド４８ａの後端面およびスライド規制片４８ｄの前面が係合軸７１の規制ピン７１ｃと操作レバー部７１ｄとを挟んで、係合軸７１が前方に突出したり後方に脱落しないようになっている。
【００７０】
一方、遊技盤側３０の受け金具７２は、化粧板３１の裏面にねじ止め可能なネジ挿通孔を有する固定辺部７２ａ、後方に延びる支持脚部７２ｂ、支持脚部７２ｂと繋がって左右内側に延びるとともに端部が前方に曲折されて指掛け容易に形成されたフックプレート部７２ｃ、支持脚部７２ｂに形成された開口部７２ｄ、開口部７２ｄに上下の固定辺部７２ａおよび支持脚部７２ｂを繋いで斜面状に形成された係合受け部７２ｅなどからなり、例えば冷間圧延鋼板等をプレス成形および溶接加工して形成し、あるいはアルミ合金等をダイキャスト成型して形成される。
【００７１】
化粧板３１の裏面側には、後端角部が面取り加工されて斜面状の逃げ面３８が形成されている。逃げ面３８は、裏セット盤４０側の係合軸７１の高さ位置を基準として軸部７１ｂの外径よりも大きな高さ幅を有し、係合姿勢において斜めに進入してくる係合軸７１と当接することなく受容し得る切り込み深さで形成されている。逃げ面３８の上下には平坦な取付面が形成され、ここに受け金具７２の上下の固定辺部７２ａがネジ固定されて、受け金具７２が化粧板３１の背面右側端側に取り付けられる。
【００７２】
なお、受け金具７２における開口部７２ｄの高さ幅は、逃げ面３８の高さ幅と同様に係合軸７１の軸部外径よりも大きく、先端先細のテーパ状に形成された遊技盤係合部７１ｅを確実に受容して係合可能に形成されている。また、係合受け部７２ｅの傾斜角は、この開口部７２ｄに係合軸７１を嵌入したときの遊技盤係合部７１ｅの配設角度に合わせて形成されており、開口部７２ｄに係合軸７１を嵌入すると、遊技盤係合部７１ｅの先端部が開口部７２ｄの内側に突出し、遊技盤係合部７１ｅのテーパ面が係合受け部７２ｅと係合するようになっている。
【００７３】
以上のように各部が構成される遊技盤開放保持機構７０にあって、この遊技盤開放保持機構７０を利用して遊技盤３０を開放姿勢に係止保持させるには、まず図１４〜図１６の各（ａ）図に示すように、係合軸７１の先端部がスライドガイド４８ａの支軸部４８ｂ内に格納されて操作レバー部７１ｄがスライド規制片４８ｄに当接した格納状態で、前枠２０および遊技盤３０の開放角度を調整し、化粧板３１の前面側の角部を裏セット盤４１の右枠杆４７に当接させて、遊技盤３０側の受け金具７２と裏セット盤４０側の係合軸７１との位置合わせを行う。
【００７４】
次いで、係合軸７１の操作レバー部７１ｄを回動操作して、図１５の （ａ）図中に実線で示す角度位置から二点鎖線で示す角度位置、すなわち規制ピン７１ｃがスライド溝４８ｃの後方で同一線上に並ぶ角度位置に合わせ、操作レバー部７１ｄを前方に押圧する。これにより規制ピン７１ｃがスライド溝４８ｃを通って前方に移動し、操作レバー部７１ｄがスライドガイド４８ａの後端面に当接するまでスライド移動されると、規制ピン７１ｃはスリット溝４８ｃを抜けてスライドガイド４８ａの前方に配置される。またこのとき、係合軸７１の前端部がスライドガイド４８ａの支軸部４８ｂから前方に突出して逃げ面３８の形成領域を通り、遊技盤係合部７１ｅが開口部７２ｄの内側に突出して係合受け部７２ｅと係合する。
【００７５】
そこで、係合軸７１の操作レバー部７１ｄを再び回動操作して、係合軸７１をさらに時計回りに回動させ、図１４〜図１６の各（ｂ）図に示すように、規制ピン７１ｃが上方を向く角度姿勢に配置する。このときスライドガイドの前方では係止ピン７１ｃがスライドガイド４８ａの前端面と係合しながら上動し、スライドガイドの後方では操作レバー部７１ｄがスライドガイド４８ａの後端面と係合しながら回動する。そして規制ピン７１ｃが上方を向く角度姿勢まで回動されると、係合軸７１は前後方向への移動および軸直交方向への移動が規制され、前方または側方から押圧力を受けても突出姿勢が変移するようなことがない。
【００７６】
また、パチンコ機は、固定保持用の外枠１０が遊技施設の遊技島ＰＩ（図４を参照）に釘打ち固定される際に、設定基準で定められた所定の後傾角度（一般的には１度程度）になるように調整されて固定設置されており、開放された前枠２０や裏セット盤４０には、外枠方向に向けて緩い付勢力が作用している。
【００７７】
このため、上記のように係合軸７１を突出させて、係合軸７１と受け金具７２とを係合させると、遊技盤係合部７１ｅが開口部７２ｄ内で係合受け部７２ｅと係合した係合状態に保持され、遊技盤３０が開放姿勢に係止保持される。この開放姿勢では、遊技盤３０が前枠２０の開放端側と裏セット盤４０の開放端側との間を繋いで支持され、遊技盤３０の後面側が斜め前方に開いた状態で配設される。また遊技盤３０は左右両方の側縁が前枠側の遊技盤ヒンジ機構６０と裏セット盤側の遊技盤開放保持機構７０とに支持されて安定した開放姿勢に保持される。
【００７８】
これにより、保守作業を行おうとする作業者は、前枠２０や裏セット盤４０の存在を気にするまでもなく、遊技盤３０の後面側全域について容易に保守作業を行えるほか、当該パチンコ機ＰＭの右側に隣接するパチンコ機の遊技者用の椅子に腰掛けて楽な作業姿勢で保守作業を行うことができる。
【００７９】
なお、保守作業が終了して遊技盤３０の開放保持を解除する際には、上述した開放保持操作と逆に、図１４〜図１６の各（ｂ）図から各（ａ）図に向けた格納操作を行えばよい。すなわち、規制ピン７１ｃが上方を向いた角度姿勢から操作レバー部７１ｄを背面視における反時計回りに回動操作して、規制ピン７１ｃがスライド溝４８ｃの前方で同一線上に並ぶ角度位置に合わせ、操作レバー部７１ｄを後方に押圧する。これにより規制ピン７１ｃがスライド溝４８ｃを通って後方に移動する。
【００８０】
そして係合軸７１の前端部がスライドガイド４８ａの支軸部４８ｂ内に収容され、規制ピン７１ｃがスライド溝４８ｃを抜けてスライドガイド４８ａの後端側まで移動したところで、係合軸７１の操作レバー部７１ｄを再び反時計回りに回動操作して係合軸７１を回動させ、図１４〜図１６の各（ａ）図に示すように、操作レバー部７１ｄがスライド規制片４８ｄに当接する格納状態に配置する。この格納状態では、係止ピン７１ｃがスライドガイド４８ａの後端面と係合し、操作レバー部７１ｄがスライド規制片４８ｄと係合して前後方向の移動が規制され、係合軸７１が前方に突出したり後方に脱落したりすることがない。
【００８１】
従って、以上説明したような遊技盤開放保持機構７０によれば、遊技盤後面側の保守作業を容易にかつ安定した作業姿勢で行うことができ、作業性の良好な遊技機を提供することができる。
【００８２】
次に、図１７および図１８を参照して第２実施例の遊技盤開放保持機構１７０について説明する。ここで、図１７は上述した図１６（ｂ）に対応して遊技盤開放保持機構１７０により遊技盤３０が開放姿勢に保持された状態を示す平面図、図１８は図１７中の矢印ＸＶＩＩＩ方向から見た遊技盤開放保持機構１７０の矢視図である。
【００８３】
この遊技盤開放保持機構１７０は、相互に係合可能な裏セット盤４０側の係合レバー１７１と遊技盤側３０の受け金具１７２とを主体として構成され、前枠２０、裏セット盤４０および遊技盤３０を開放させた遊技盤開放状態で、係合レバー１７１を受け金具１７２に係合させることにより、遊技盤３０を開放姿勢に係止保持するように構成される。
【００８４】
裏セット盤４０側の係合レバー１７１は、開放姿勢における化粧板３１と裏セット盤４０との相対角度に合わせてに屈曲成形された帯板状のアーム部１７１ａ、アーム部の基端側に穿設されたネジ挿通孔、アーム部の先端側に切り欠き成形されたフック部１７１ｃ、アーム部の上縁に曲げ成形されたつまみ部１７１ｍなどからなり、所定板厚のステンレス鋼板や冷間圧延鋼板等の板金材料を打ち抜きおよび曲げ成形して形成される。
【００８５】
裏セット盤４０の右枠杆４７には、前述したと同様に右枠杆の外周面が凹設されて係合アームを収容可能なアーム取付部１４８が形成され、ここにネジ１７８を受容する円筒状のネジボス１４８ｂが一体成型されている。係合レバー１７１は、アーム部基端側のネジ挿通孔にネジ１７８を通してネジボス１４８ｂにネジ止めすることにより取着され、ネジ１７８の軸まわりに上下揺動可能に枢着される。また、裏セット盤４０における右枠杆４７の下方には、化粧板３１の下端の高さ位置に合わせて、平板状の支持金具１７３が裏セット盤４０の前面側に出没可能に組み付けられており、この支持金具１７３を裏セット盤４０の前面側に突出させて配置し、遊技盤３０を開放させたときに化粧板３１の下端面を支持可能に構成されている。
【００８６】
一方、受け金具１７２は、基盤となる固定プレート部１７２ａ、固定プレート部１７２ａに穿設された上下のネジ挿通孔、固定プレート部１７２ａの左端側の一部が係合レバー１７１の板厚に合わせてクランク状に曲げ起こされ、係合レバーのフック部１７１ｃと係脱可能なフック受け部１７２ｃ等からなり、上記係合レバーと同様の板金材料を用いて同様の加工手段により形成される。受け金具１７２は、係合レバー１７１の配設高さ位置と整合する化粧板後面側の所定位置にネジ１７９によりネジ固定され、遊技盤開放状態において係合レバー１７１のフック部１７１ｃと、受け金具１７２のフック受け部１７２ｃとが係脱可能に配設される。
【００８７】
このように構成される遊技盤開放保持機構１７０を利用して遊技盤３０を開放姿勢に係止保持させるには、図１８中に二点鎖線で示すようなフック部１７１ｃがアーム取付部１４８に収容された格納状態から、一旦アーム部１７１ａを上方に起仰させて、フック部１７１ｃを水平位置よりも上方に待避させておく。また右枠杆下方の支持金具１７３を裏セット盤４０の前面側に突出させて化粧板３１の下端面を支持可能に配置しておく。そして、前枠２０および遊技盤３０の開放角度を調整して化粧板３１の開放端側の下面を支持金具１７３に載置して荷重を支持させ、化粧板３１の前面側の角部を裏セット盤４１の右枠杆４７に当接させて、受け金具１７２と係合レバー１７１との位置合わせを行う。
【００８８】
次いで、係合レバー１７１のつまみ部１７１ｍを利用してアーム部１７１を倒伏方向に揺動させ、フック部１７１ｃを受け金具のフック受け部１７２ｃに係合させる。フック部１７１ｃとフック受け部１７２ｃとが係合されると、フック部１７１ｃの溝面とフック受け部１７２ｃの溝係合面（化粧板３１に直交する立設辺の左右面）との係合により、前枠２０が開閉する方向への揺動が規制され、フック溝を挟む前後のアーム部１７１ａとフック受け部１７２ｃおよび固定プレート部１７２ａとの面係合により、遊技盤３０が開閉する方向への揺動が規制される。
【００８９】
このため、係合レバー１７１と受け金具１７２とを係合させると、遊技盤３０と裏セット盤４０とが係合連結され、遊技盤３０が図４に示したと同様の開放姿勢に係止保持される。開放姿勢では、遊技盤３０が前枠２０と裏セット盤４０との間を繋いで三角形の連結構造を形成し、遊技盤３０の後面側が斜め前方に開いた状態で配設される。また遊技盤３０は左側縁側が遊技盤ヒンジ機構６０に支持され、右側縁が支持金具１７３に支持されて安定した開放姿勢に保持される。
【００９０】
これにより、保守作業を行おうとする作業者は、前枠２０や裏セット盤４０の存在を気にすることなく、遊技盤３０の後面側全域について容易に保守作業を行うことができ、またパチンコ機ＰＭの右側に隣接するパチンコ機の遊技者用の椅子に腰掛けて楽な作業姿勢で保守作業を行うことができる。一方、保守作業が終了して遊技盤３０の開放保持を解除する際には、上記した開放保持操作と逆の格納操作を行えばよい。なおこの格納操作は当業者であれば容易に理解し得るためここでは説明を省略する。
【００９１】
従って、以上説明したような遊技盤開放保持機構１７０においても、前述した遊技盤開放保持機構７０と同様に遊技盤後面側の保守作業を容易にかつ安定した作業姿勢で行うことができ、作業性の良好な遊技機を提供することができる。また本構成の遊技盤開放保持機構１７０によれば、極めて簡明かつ低コストの構成でありながら遊技盤３０と裏セット盤４０との連結保持力が強く、作業者が保守作業中に誤って前枠２０に接触し前枠２０を開放方向に揺動させるような力が作用した場合であっても、係合状態を維持して遊技盤３０を開放姿勢に保持させることができる。
【００９２】
次に、第３実施例の遊技盤開放保持機構２７０について、図１９を参照して説明する。図１９は遊技盤開放保持機構２７０により遊技盤３０が開放姿勢に保持された状態を示す図面であり、図１４（ｂ）と同様に図１２中の矢印ＸＩＶ方向から見た矢視図である。
【００９３】
遊技盤開放保持機構２７０は、前枠２０、裏セット盤４０および遊技盤３０を開放させた遊技盤開放状態で、遊技盤３０および裏セット盤４０と相互に係脱可能な係止スプリング２７１を主体として構成され、係止スプリング２７１の両端のフック部を遊技盤３０と裏セット盤４０との間に掛け渡して係合させることにより、遊技盤３０を開放姿勢で係止保持可能するように構成される。
【００９４】
係止スプリング２７１は、つるまき型の引っ張りコイルバネであり、コイル部２７１ａの両端にフック部２７１ｂ，２７１ｃを有している。裏セット盤４０の右枠杆４７には外周面側が凹設されてスプリング収容部２４８が設けられ、ここに一方のフック部２７１ｂを鉛直面内に揺動可能に係止するバネ係止部２４８ｂが形成されている。スプリング収容部２４８の下部には、図示省略するバネ収容掛止部が形成されており、常には、係止スプリング２７１の他方のフック部２７１ｃを掛止して係止スプリング２７１を縦向きの収容姿勢で収容保持可能になっている。
【００９５】
一方、遊技盤３０側では、化粧板３１の裏面に受け金具２７２が図示省略するネジ等により固定され、この受け金具２７２に上記他方のフック部２７１ｃを係脱可能に掛止するバネ掛止部２７２ｃが切り起こし成形されている。また化粧板３１には、前述した逃げ面３８と同様に、後端角部が面取り加工されて斜面状の逃げ面３８′が形成されており、係止スプリングのコイル部２７１ａが引っかかることなく張り渡されるようになっている。
【００９６】
このような遊技盤開放保持機構２７０では、遊技盤３０を開放姿勢に係止保持させるには、まず前枠２０および遊技盤３０の開放角度を調整して化粧板３１の前面角部を裏セット盤４１の右枠杆４７に当接させて受け金具１７２の位置合わせを行い、バネ収容掛止部に掛止されたフック部２７１ｃを外して揺動させこのフック部２７１を遊技盤側のバネ掛止部２７２ｃに掛止させる。
【００９７】
これにより、遊技盤３０と裏セット盤４０とが係止スプリング２７１を介して係合連結され、遊技盤３０が図４に示したと同様の開放姿勢に係止保持される。開放姿勢では、遊技盤３０が前枠２０と裏セット盤４０との間を繋いで三角形の連結構造を形成し、遊技盤３０の後面側が斜め前方に開いた状態で配設される。このため、保守作業を行おうとする作業者は、前枠２０や裏セット盤４０の存在を気にすることなく、遊技盤３０の後面側全域について容易に保守作業を行うことができ、またパチンコ機ＰＭの右側に隣接するパチンコ機の遊技者用の椅子に腰掛けて楽な作業姿勢で保守作業を行うことができる。一方、保守作業が終了して遊技盤３０の開放保持を解除する際には、上記した開放保持操作と逆の格納操作を行えばよい。
【００９８】
従って、以上説明したような遊技盤開放保持機構２７０においても、前述した遊技盤開放保持機構７０，１７０と同様に遊技盤後面側の保守作業を容易にかつ安定した作業姿勢で行うことができ、作業性の良好な遊技機を提供することができる。また本構成の遊技盤開放保持機構２７０によれば、遊技盤３０と裏セット盤４０とが弾性的に係合連結されるため、例えば作業者が保守作業中に誤って前枠２０にぶつかったような場合であっても、受けた衝撃力をコイル部２７１ａで吸収し、遊技盤開放保持機構２７０やその周辺部材に損傷を生じさせることなく係合状態を維持して遊技盤３０を開放姿勢に保持させることができる。
【００９９】
なお、遊技盤開放保持機構２７０では、前述した遊技盤開放保持機構１７０において例示した支持金具１７３（図１１を参照）を裏セット盤４０の前面下部に設け、遊技盤３０を開放させたときに化粧板３１の下端面を支持させるように構成することも好ましい実施形態である。
【０１００】
また、図１２には、さらに異なる遊技盤開放保持機構の構成例を二点鎖線で示している。この遊技盤開放保持機構は係合金具４９を主体として構成される。係合金具４９は、化粧板３１の下面を支持する平板状の支持アーム部４９ａと、支持アーム部の側縁が上方に曲げ起こされて化粧板３１の後面を当接支持する後面支持壁部４９ｂとを有し、化粧板３１の下端の高さ位置に合わせて裏セット盤４０の前面側に揺動開閉可能に組み付けられている。係合金具４９の揺動角度は、この係合金具が裏セット盤の前面側に収容される収容角度位置から、支持アーム部４９ａに化粧板３１の下面を支持させ後面支持壁４９ｂに化粧板３１の後面を当接させた係合角度位置の範囲で揺動可能（出没変移可能）に支持されている。
【０１０１】
このような遊技盤開放保持機構では、遊技盤３０を開放保持させる際に、まず係合金具４９を収容角度位置から係合角度位置に揺動させて化粧板３１の下端面を支持可能に配置しておく。そして、前枠２０および遊技盤３０の開放角度を調整して化粧板３１の開放端側の下面を支持アーム部４９ａに載置して荷重を支持させ、化粧板３１の前面角部を裏セット盤４１の右枠杆４７に、化粧板３１の後面を後面支持壁部４９ｂに当接させて、化粧板３１の開放端側を支持させる。
【０１０２】
前述したように、遊技盤３０および前枠２０は、外枠固定時の後傾姿勢の設定により、開放状態にあっては外枠１０の方向に付勢されており、また係合金具４９は係合角度位置よりも開かないようになっている。このため、上記のように係合金具４９に支持された化粧板３１は、化粧板３１の前端角部が裏セット盤４０の前面に当接し、化粧板３１の後面が後面支持壁部４９ｂに当接支持されてこれらの当接部に挟持されるように配設され、遊技盤３０が開放姿勢に保持される。
【０１０３】
なお、支持アーム部４９ａに上方に突出する突起部を設け、化粧板３１の下面にこの突起部と係脱可能な突起受容部を設けて、支持アーム部４９ａに化粧板３１の下面を支持させたときに、突起部と突起受容部とが係合して開放姿勢を保持するように構成することも好ましい。このような構成によれば、遊技盤開放姿勢での安定度を向上させ、前枠２０や遊技盤３０を揺動させるような力に対して抗力を高めた構成とすることができる。
【０１０４】
さて、以上では、遊技盤３０を開放姿勢に保持させる遊技盤開放保持機構について各種実施例をあげて説明してきたが、本パチンコ機ＰＭには遊技盤３０の開放姿勢を安定させて遊技盤後面側の保守作業をさらに容易化するため、裏セット盤開放保持機構８０が設けられている。
【０１０５】
裏セット盤開放保持機構８０は、裏セット盤ヒンジ機構６０が設けられた側縁と反対側、すなわち遊技盤開放保持機構が設けられた正面右側の外枠１０および裏セット盤４０に設けられており、上下方向にかみ合い係合可能な外枠１０側の係止部材８１と、裏セット盤４０の球貯留タンク４１に取り付けられた被係止部材８２とを主体として構成される。以下、図２０および図２１を参照してこの裏セット盤開放保持機構８０について説明する。なお図２０は裏セット盤開放保持機構８０を斜め後方から見た斜視図、図２１は裏セット盤開放保持機構の係合過程を示す側面図である。
【０１０６】
係止部材８１は、右枠板１３の受容切り欠き部１３ｃに打ち込まれるネジ部、円盤状のフランジ部８１ｂ、およびネジ部とフランジ部８１ｂとの間に形成された係合軸部８１ｃを有し、全体として平頭ないしトラス頭の木ネジ状をなし、金属線材を旋削ないし転造して形成される。係止部材８１が取り付けられる受容切り欠き部１３ｃの所定位置には、ネジ部８１ａを導入するための下穴が予め穿設されている。
【０１０７】
係止部材８１は、フランジ部８１ｂをチャックして回動させる自動打ち込み機により上記下穴にねじ込まれ、フランジ部８１ｂの座面と受容切り欠き部１３ｃの表面との間に係合軸部８１ｃを視認可能な一定間隔（例えば被係止部材８２の板厚の２〜３倍程度の間隔）をおいた打ち込み高さに固定される。なお、フランジ部８１ｂに六角穴や十字スリ割り等の工具係合部を設けて手動で打ち込むように構成してもよい。
【０１０８】
被係止部材８２は、ネジ挿通孔が穿設された平板状のベース部８２ａ、ベース部８２ａの右側縁の一部が折り曲げられて後方に突出するフックプレート部８２ｂ、フックプレート部８２ｂに下方に開いて形成された係止溝８２ｃ、フックプレート部８２ｂの後端部と係止溝８２ｃとの間に下向き斜面状に形成されたガイド縁面８２ｄ、ベース部８２ａの上部が球貯留タンク４１の壁面形状に合わせてコの字状に折り返されベース部と平行に延びる挟持辺部８２ｆ、挟持辺部８２ｆの下部が球貯留タンク４１の底面に合わせて折り曲げられタンク後壁面の補強機能とタンク内に貯留された遊技球のアース機能とを兼ね備えたアース辺部８２ｇなどからなり、例えば板厚１．５ｍｍ程度のステンレス鋼板を打ち抜きおよび曲げ成形して形成される。なお、被係止部材８２は詳細図示省略するアース線で所要のアース端子に接続されている。
【０１０９】
球貯留タンク４１における後壁面の所定位置には、ベース部８２ａに穿設された左右のネジ挿通孔と整合する円筒状のネジボス４１ａが一体成型されている。被係止部材８２は、ベース部８２ａと挟持辺部８２ｆとで球貯留タンク４１の後壁面および左右のネジボス４１ａを挟持するように嵌着し、アース辺部８２ｇをタンク底面に密接させて、左右のネジ挿通孔からネジボス４１ａにネジ８９を螺合締結することで球貯留タンク４１の後壁面に固定される。
【０１１０】
なお、係合軸部８１ｃと係止溝８２ｃとの関係では、係止溝８２ｃの溝幅が係合軸部８１ｃの軸径と同一若しくはわずかに大きめに設定され、係止溝８２ｃの上端位置および係合軸部８１ｃの高さ位置は、係止溝８２ｃの上端部が係合軸部８１ｃと係合したときに、この裏セット盤開放保持機構８０と裏セット盤ヒンジ機構６０とによって、裏セット盤４０が左右水平に支持されるように設定されている。
【０１１１】
右枠板１３に形成された切り欠き部１３ｃは、被係止部材８２のフックプレート部８２ｂが進入する高さ位置に合わせて部分的に切り欠かかれ、フランジ部８１ｂが外枠の内側に突出しないようになっている。また、フックプレート部８２ｂは、図４に示すようにタンク部材４１の後壁面を右枠板１３の前面に当接させたときの、外枠１０に対するタンク後壁面の相対傾斜角に合わせて先端側が屈曲成形されており、裏セット盤４０を開放してフックプレート部８２ｂを外枠１０の内方に進入させたときに、フックプレート先端部が切り欠き部１３ｃと平行に（係合軸部８１ｃと直角に）進入するように構成されている。
【０１１２】
このため、裏セット盤４０を外枠方向に揺動させると、フックプレート先端部が切り欠き部１３ｃの内壁面に沿って、切り欠き部１３ｃとフランジ部８１ｂとの間に進入し、図７（ａ）に示すようにフックプレート部の下向きのガイド縁面８２ｄが係合軸部８１ｃの外周面に当接する。そこで、裏セット盤４０を外枠方向に押圧すると、ガイド縁面８２ｄが係合軸部８１ｃに乗り上げるように係合して滑り、裏セット盤４０の右枠杆側をわずかに上動させながら外枠内方に移動する。そして、ガイド縁面８２ｄの端部が係合軸部８１ｃの上端を越えると、今度は係止溝８２ｃの溝面が係合軸部８１ｃと係合し、裏セット盤４０が引き込まれるように揺動して係合軸部８１ｃと係止溝８２ｃの上端部とがかみ合い係合する。
【０１１３】
こうして係止部材８１と被係止部材８２とが上下にかみ合い係合すると、係合軸部８１ｃと係止溝８２ｃとの係合によって裏セット盤４０が前後方向に係止され、またフックプレート部８２ｂがフランジ部８１ｂと切り欠き部１３ｃとの間に挟持されて左右方向に係止される。これにより、裏セット盤４０は前後および左右の両方向に移動が規制されて裏セット盤自身の揺動が規制される他、裏セット盤開放保持機構８０、裏セット盤ヒンジ機構６０、および前枠ヒンジ機構３の三つの連結支点により前枠２０の揺動も併せて規制され、裏セット盤４０および前枠２０がともに図４に示した開放姿勢に係止保持される。このため、前述した遊技盤３０の後面側の保守作業を、前枠２０、遊技盤３０、裏セット盤４０が揺動しない安定姿勢で行うことができる。
【０１１４】
なお、裏セット盤４０を閉鎖するときには、裏セット盤４０の右側部分を軽く持ち上げて被係止部材８２を上動させ、係止溝８２ｃと係合軸部８１ｃとのかみ合い係合を解除させ、裏セット盤４０を手前に引き出せばよい。このように、裏セット盤開放保持機構８０では、裏セット盤４０を外枠１０方向に押圧することで裏セット盤４０を半自動的に開放保持させることができ、また、開放姿勢の裏セット盤４０を軽く持ち上げて前方に引き出すことで開放保持状態を解除することができる。従って簡単な操作で裏セット盤４０を開放保持させることができ、前枠２０、遊技盤３０、裏セット盤４０が揺動しない安定した開放姿勢で遊技盤の後面の保守作業や着脱作業を行うことができる。
【０１１５】
なお以上では、上下方向にかみ合い係合可能な外枠側の係止部材と裏セット盤側の被係止部材の構成例として、外枠１０側の係止部材８１に係合軸部８１ｃを設け、裏セット盤４０側の被係止部材８２に係止溝８２ｃを設けて、係止溝８２ｃが移動して係合軸部８１ｃにかみ合い係合する形態を例示したが、これらの軸部と溝部の配設位置関係を逆に構成してもよい。また、上下のかみ合い形態は上下逆方向であってもよく、例えばヒンジ金具の弾性や裏セット盤の撓みを利用して被係止部材が係止部材の下側に沈み込んで係合するような形態であってもよい。
【０１１６】
【発明の効果】
以上説明したように、本発明は、固定保持用の外枠に前枠ヒンジ機構を介して前方に横開き開閉可能に組み付けられた前枠と、前枠に設けられた収容枠に前枠の後方から収容保持される遊技盤と、前枠ヒンジ機構と同じ一側縁側に設けられた裏セット盤ヒンジ機構を介して前枠に後方に横開き開閉可能に組み付けられる裏セット盤とを備えた遊技機において、遊技盤が前枠および遊技盤における裏セット盤ヒンジ機構等と反対側の他側縁側に設けられた遊技盤ヒンジ機構により、収容枠の後方に横開き開閉および着脱が可能に収容されるとともに、遊技盤および裏セット盤には、前枠および裏セット盤が開放されてさらに遊技盤が前枠の後方に開放された遊技盤開放状態において相互に係脱可能な係合手段を備え、遊技盤開放状態で係合手段を係合させることにより、遊技盤が前枠の後方に開放された開放姿勢に保持されるように遊技盤の支持機構が構成される。
【０１１７】
このため、前枠を外枠前方に開放し裏セット盤を前枠後方に開放した状態では、遊技盤ヒンジ機構が、開放された前枠の前端側に位置して視認および係脱操作容易に配設される。このため、遊技盤を収容枠に収容させる装着作業では、収容枠側ヒンジ金具と遊技盤側ヒンジ金具とを容易に位置合わせして係合させることができ、ヒンジ係合後は遊技盤の後面を前方に押圧して揺動閉止させることで遊技盤を簡単に収容枠に収容させることができる。
【０１１８】
また、本構成の支持機構では、遊技盤および裏セット盤に相互に係脱可能な係合手段が備えられ、この係合手段を係合させることで遊技盤が前枠の後方に開放された開放姿勢に保持される。そしてこの遊技盤開放姿勢では、遊技盤が前枠の開放端側と裏セット盤の開放端側との間を繋いで支持され、遊技盤の後面側が前方に開いた状態で配設される。このため、遊技盤の後面側全域について容易に保守作業を行うことができ、さらに、隣接する遊技機の遊技者用の椅子を利用して楽な作業姿勢で保守作業を行うことができる。従って、本発明によれば、遊技盤着脱時の作業性や遊技盤後面側の保守作業の作業性等を改善した遊技盤の支持機構を提供することができる。
【図面の簡単な説明】
【図１】本発明を適用した遊技機の一例として示すパチンコ機の正面図である。
【図２】上記パチンコ機の背面図である。
【図３】外枠を取り外し裏セット盤を開放した状態におけるパチンコ機の背面図である。
【図４】遊技盤開放保持機構により裏セット盤を開放保持した状態のパチンコ機の平面図である。
【図５】裏セット盤を開放した状態における裏セット盤ヒンジ機構の背面図である。
【図６】収容枠から遊技盤を取り外した状態で示す遊技盤ヒンジ機構の斜視図である。
【図７】収容枠に遊技盤を収容させた状態の遊技盤ヒンジ機構の背面図である。
【図８】上方のヒンジ機構におけるヒンジピンとヒンジ溝との係合状態を主として示す側断面図である。
【図９】収容枠側ヒンジ金具に遊技盤側ヒンジ金具を係脱させるときの作用を主として示す平面図である。
【図１０】開放補助部材の取付部近傍の斜視図である。
【図１１】遊技盤を開閉する際の開放補助部材の作用を示す平断面図である。
【図１２】第１実施例の遊技盤開放保持機構により遊技盤が開放保持された状態を示す平面図である。
【図１３】第１実施例の遊技盤開放保持機構の主要部を示す分解斜視図である。
【図１４】図１２中の矢印ＸＩＶ方向から見た矢視図である。
【図１５】図１２中の矢印ＸＶ方向から見た矢視図である。
【図１６】第１実施例の遊技盤開放保持機構の作用を示す平面図（部分断面図）である。
【図１７】第２実施例の遊技盤開放保持機構により遊技盤が開放保持された状態を示す平面図である。
【図１８】図１７中の矢印ＸＶＩＩＩ方向から見た矢視図である。
【図１９】第３実施例の遊技盤開放保持機構により遊技盤が開放保持された状態を示す図面（図１２中の矢印ＸＩＶ方向から見た矢視図）である。
【図２０】裏セット盤開放保持機構を斜め後方から見た斜視図である。
【図２１】裏セット盤開放保持機構の係合過程を示す側面図である。
【符号の説明】
ＰＡ 遊技領域
ＰＩ 遊技島
ＰＭ パチンコ機
３（３Ｕ，３Ｌ） 前枠ヒンジ機構
４ 施錠装置
５ ガラス扉
６ 上球皿
７ 下球皿
８ 発射ハンドル
９ 遊技球発射装置
１０ 外枠
１１ 上枠板
１２ 左枠板
１３ 右枠板（１３ｃ 受容切り欠き部）
１４ 下枠板
２０ 前枠
２１ 収容枠
（２１ａ 固定支持部、２１ｂ 第１側辺受容部、２１ｅ切り欠き部）
２３，２３′ 閉鎖クランプ
（２３ａ クランプレバー、２３ｂ 支軸、２３ｃ コイルバネ、２３ｄ 袋ナット）
２５ ロックレバー
３０ 遊技盤
３１ 化粧板
３２ 金具収容部（３２ａ 固定収容部、３２ｂ プレート収容部）
３４ 入賞具
３５ 画像表示装置
３７ アウト口
３８，３８′ 逃げ面
４０ 裏セット盤
４１ 球貯留タンク（４１ａネジボス）
４２ タンクレール
４４ 球払出装置
４５ 球払出通路
４６ 遊技済み球排出通路
４７ 右枠杆
４８ 係合軸取付部
（４８ａ スライドガイド、４８ｂ 支軸部、４８ｃ スリット溝、４８ｄ スライド規制片）
４９ 係合金具（４９ａ 支持アーム部、４９ｂ 後面支持壁部）
５０ （５０Ｕ，５０Ｌ） 遊技盤ヒンジ機構
５１ 収容枠側ヒンジ金具
（５１ａ 固定フランジ部、５１ｂ ヒンジプレート部、５１ｃ ヒンジピン、５１ｄ 位置決めピン孔）
５２ 遊技盤側ヒンジ金具
（５２ａ 固定フランジ部、５２ｂ ヒンジプレート部、５２ｃ ヒンジ溝、５２ｒ 逃げ面）
５３ｂ ネジボス
５３ｄ 位置決め突起
５５ 開放補助部材
（５５ａ 固定部、５５ｂ 第１側辺部、５５ｃ アーチ部、５５ｄ 第２側辺部、５５ｅ 付勢片部）
５７ サラ小ネジ
５８ ネジ
５９ ネジ
６０（６０Ｕ，６０Ｌ） 裏セット盤ヒンジ機構
６１ 前枠側ヒンジ金具
（６１ａ 固定フランジ部、６１ｂ ヒンジプレート部、６１ｃ ヒンジピン、６１ｄ 位置決めピン孔）
６２ 裏セット盤側ヒンジ金具
（６２ａ 固定フランジ部、６２ｂ ヒンジプレート部）
６３ｄ 位置決め突起
６４ａ 位置決めリブ
６４ｂ ネジボス
６８ サラ小ネジ
７０ 遊技盤開放保持機構（第１実施例）
７１ 係合軸
（７１ｂ 軸部、７１ｃ 規制ピン、７１ｄ 操作レバー部、７１ｅ 遊技盤係合部）
７２ 受け金具
（７２ａ 固定辺部、７２ｂ 支持脚部、７２ｃ フックプレート部、７２ｄ 開口部、７２ｅ 係合受け部）
８０ 裏セット盤開放保持機構
８１ 係止部材
（８１ｂ フランジ部、８１ｃ 係合軸部）
８２ 被係止部材
（８２ａ ベース部、８２ｂ フックプレート部、８２ｃ 係止溝、８２ｄ ガイド縁面、８２ｆ 挟持辺部、８２ｇ アース辺部）
８９ ネジ
１４８ アーム取付部（１４８ｂ ネジボス）
１７０ 裏セット盤開放保持機構（第２実施例）
１７１ 係合レバー
（１７１ａ アーム部、１７１ｃ フック部、１７１ｍ つまみ部）
１７２ 受け金具
（１７２ａ 固定プレート部、１７２ｃ フック受け部）
１７３ 支持金具
１７８ ネジ
１７９ ネジ
２４８ スプリング収容部（２４８ｂ バネ係止部）
２７０ 裏セット盤開放保持機構（第３実施例）
２７１ 係止スプリング
（２７１ａ コイル部、２７１ｂ フック部、２７１ｃ フック部）
２７２ 受け金具（２７２ｃ バネ掛止部）[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a front frame assembled to an outer frame for fixing and holding so as to be opened and closed laterally forward, a game board accommodated and held in an accommodation frame provided on the front frame, and a laterally opened rearward to the front frame. The present invention relates to a game board support mechanism in a gaming machine including a back set board that is assembled to be openable and closable.
[0002]
[Prior art]
As gaming machines including the outer frame, the front frame, the game board, and the back set board as described above, pachinko machines, arrange ball machines, sparrow ball machines, and the like are widely known. In a pachinko machine that is a typical example of this type of gaming machine, the front frame for opening and closing can be opened and closed laterally through the front frame hinge mechanism on the outer frame for fixed holding fixed to the gaming island of the gaming facility A game board, which is attached and has a game area on the front side, is detachably accommodated and held in an accommodation frame provided on the front frame, and faces the player through the glass window covering the front of the game board. Behind the front frame is a back set board (also called a back mechanism board) equipped with a processing mechanism for processing game balls discharged from the game board and a prize ball mechanism for paying out game balls according to the winning state. It is assembled so that it can be opened and closed laterally through the back set board hinge mechanism, and is always kept closed by covering the rear surface of the game board.
[0003]
Here, the game board has the same main shape and dimensions so as to ensure the flexibility of production support for changing the model of the pachinko machine, and to be able to respond quickly to so-called board change and maintenance replacement of the game board. In general, the front frame is detachably accommodated in a storage frame formed in a frame shape somewhat larger than the outer shape of the game board, and is set by a locking tool such as a closing clamp or a fixing lever provided in each part. Configured to be retained. In addition, the game board attachment / detachment form includes a game board front attachment / detachment form in which the game board is attached / detached from the front (front side) of the front frame and a game board rear attachment / detachment form in which the game board is attached / detached from the rear (rear side) of the front frame, Either form is adopted.
[0004]
By the way, in recent pachinko machines, liquid crystal display devices have been adopted to diversify game development and the size has increased year by year, and image display substrates have increased in size with the advancement of screen display, or prize-winning devices. Various game components to be assembled to the game board are becoming more sophisticated and complicated, and the weight of the game board is steadily increasing. For this reason, the mounting operation of the game board has to support a large and heavy game board and store it in the storage frame, and to fix the locking tool while supporting the game board with one hand. The problem was that it was cumbersome and hard work. In addition, the detaching operation for removing the game board is performed by pulling the game board out of the storage frame with the locking device released, and at this time, carefully use the slight gap between the storage frame and the game board. It is necessary to pull out the game board and the total weight of the game board suddenly acts when pulling it out of the storage frame. There was a problem that it could be dropped.
[0005]
Therefore, in order to solve such problems and improve workability, in the pachinko machine of the above-described game board rear mounting / dismounting mode, the same side edge side as the front frame hinge mechanism and the back set panel hinge mechanism (for example, front view) The front frame and the game board on the left edge side of the board are provided with a game board hinge mechanism by fitting the shaft pin and the shaft hole of the storage frame side hinge fitting and the game board side hinge fitting to open the back set board to the front frame. In such a state, a game board opening / closing mechanism has been proposed in which the game board is supported so that it can be opened / closed / removed laterally at the rear of the housing frame (see, for example, Patent Document 1).
[0006]
[Patent Document 1]
JP 2003-19319 A (page 3, FIGS. 3 to 9)
[0007]
[Problems to be solved by the invention]
Certainly, according to the game board opening and closing mechanism disclosed in the above-mentioned Patent Document 1, the game board can be opened and closed laterally and detachably supported at the rear of the housing frame. It seems that the workability of the panel attachment / detachment work can be improved. However, in such a game board opening and closing mechanism, the game board hinge mechanism is provided on the same side edge side as the front frame hinge mechanism and the back set board hinge mechanism. It is necessary to finely align the shaft pin and shaft hole of the storage frame side hinge fitting and the game board side hinge fitting at the back part sandwiched between the frame and the back set board. There was a problem that it was unexpectedly complicated.
[0008]
In addition, on the rear side (back side) of the game board, a winning detector that detects a winning ball, an electromagnet that opens and closes an electric winning tool, an electric component such as a solenoid, a movable component, and a ball passage that causes the winning ball to flow down are formed. It is necessary to perform inspection work of these various parts, cleaning work of the ball passage, and the like. Such routine maintenance work is conventionally performed from the rear of the front frame while the front frame is opened forward and the game board is held by the storage frame, but a back set panel hinge mechanism is provided. On the side edge side, there is a problem that it is difficult to perform maintenance work on this side area due to the presence of the back set board located immediately to the side, and the work area that the worker stands up is limited due to the positional relationship with the chair for the player. There were issues to be improved regarding workability when performing maintenance work on the rear side of the game board, such as the problem of being forced to take a posture.
[0009]
The present invention has been made in view of the above-described problems of the prior art and the problems of the disclosed technology, and a game board that has improved workability at the time of attaching / detaching the game board, workability of maintenance work on the rear side of the game board, and the like. It is an object to provide a support mechanism.
[0010]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the present invention is an open / close mount that is assembled so that it can be opened and closed laterally forward through an outer frame for fixing and holding, and a front frame hinge mechanism provided on one outer edge side of the outer frame. Front frame, a game board having a game area on the front surface, a game board accommodated and held from the rear of the front frame, and a back set provided on the same side edge side as the front frame hinge mechanism This is a gaming board support mechanism in a gaming machine including a back set board that is assembled to the front frame so that it can be opened laterally and opened rearwardly via a board hinge mechanism. In this support mechanism, the game board is accommodated in the front frame and the game board hinge mechanism provided on the other side edge side opposite to the one side edge side of the game board so that it can be opened / closed and attached / removed horizontally behind the accommodation frame. At the same time, the game board and the back set board are in a state where the front frame is opened to the front of the outer frame, the back set board is opened to the rear of the front frame, and the game board is opened to the rear of the front frame. Engaging means (for example, the game board opening and holding mechanism 70 including the engagement shaft 71 and the receiving metal 72 in the embodiment), and the engagement means is engaged in the game board opened state. Thus, the game board is configured to be held in an open posture opened to the rear of the front frame.
[0011]
In such a game board support mechanism, the game board hinge mechanism is provided on the other side edge side opposite to the one side edge side on which the front frame hinge mechanism and the back set board hinge mechanism are provided. A game board is accommodated in a rear opening / closing and detachable manner behind the accommodation frame. For this reason, in the open state of the back set board with the front frame opened to the front of the outer frame and the back set board opened to the rear of the front frame, the game board hinge mechanism is positioned on the open end side (front end side) of the opened front frame. For example, in the mounting operation for storing the game board in the storage frame, the storage frame side hinge metal fitting and the game board side hinge metal fitting are easily aligned and engaged. Can do. After the hinge is engaged, the game board can be easily accommodated in the accommodation frame by pressing the rear surface of the game board forward to close the swing.
[0012]
Further, in the support mechanism of this configuration, in the state where the back set board is opened and the game board is further opened to the rear of the front frame, the engaging means that can be engaged and disengaged with each other are provided on the game board and the back set board. The game board and the back set board are connected by engaging the engagement means in the game board open state, and the game board is held in an open posture opened to the rear of the front frame. Here, the front frame hinge mechanism and the back set board hinge mechanism are provided on the same one side edge side (for example, the left side edge side in front view), and the game board hinge mechanism is provided on the other side edge side (same as above, the right side edge side). It has been. When the game board is held in the open posture by the engaging means, the game board connects the open end side (right edge side) of the front frame and the open end side (right edge side) of the back set board. It is supported and arranged with the rear side of the game board opened forward. For this reason, maintenance work can be performed without hindrance over the entire rear side of the game board, and maintenance work can be performed with a comfortable work posture by sitting on a chair for a player of an adjacent gaming machine.
[0013]
Therefore, according to the present invention, there is provided a game board support mechanism that solves the problems of the prior art and the disclosed technique, and improves the workability when attaching and detaching the game board and the maintenance work on the rear side of the game board. Can be provided.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view of a pachinko machine PM, FIG. 2 is a rear view of the pachinko machine PM, and FIG. The rear view of the pachinko machine PM in the state which opened the board is shown, and the whole outline | summary of the pachinko machine PM is demonstrated with reference to these drawings first.
[0015]
The pachinko machine PM has a front frame 20 for opening and closing of a rectangular frame size that matches the front opening surface area of the outer frame 10 on the front side of the outer frame 10 for fixing and holding that is configured to have an outer rectangular frame size. The front frame hinge mechanism 3 (3U, 3L) disposed above and below the left edge of each other in a front view is attached to the front so that it can be opened and closed laterally and attached and detached, and the locking device 4 provided on the right side of the front is used. , It is always held in a closed state engaged with the outer frame 10. The outer frame 10 is constructed by connecting upper and lower frame plates 11 and 14 and left and right frame plates 12 and 13 processed and formed of wood, resin material or the like at right angles and fixing reinforcing metal fittings at each corner. The
[0016]
A rectangular glass door 5 and an upper ball tray 6 that are fitted to the front side area of the front frame 20 are attached to the front upper portion of the front frame 20 so as to be opened and closed laterally and detachable. A lower ball tray 7 to be stored and a launching handle 8 for performing a launching operation of the game ball are attached. On the other hand, an accommodation frame 21 that accommodates and holds the game board 30 is provided behind the glass door 5 at the upper rear side of the front frame 20. In the present embodiment, a type in which the housing frame 21 is integrally formed on the rear surface side of the front frame 20 is illustrated.
[0017]
The game board 30 is configured on the basis of a decorative board (also referred to as veneer) 31 in which cells are attached to the front side of the laminated plywood. On the front side of the game board 30, a substantially circular game area PA is defined by being surrounded by inner and outer guide rails, and along with a large number of game nails, a windmill, various prize-winning tools 34, an image display device 35, etc. Are arranged based on a predetermined gauge setting. At the lower end of the game area PA, an out port 37 is provided for discharging the game ball dropped in this area to the back side of the decorative board 31.
[0018]
The game board 30 is supported by a game board hinge mechanism 50 (50U, 50L), which will be described in detail later, so that it can be opened and closed laterally and attached to and detached from the front frame 20. The clamps 23 and 23 ′ are locked and held in the closed posture accommodated in the accommodation frame 21, and the game area PA on the front of the game board is always faced to the player through the glass door 5. A game ball launching device 9 that launches a game ball based on a turning operation of the launch handle 8 is provided at the lower part of the rear side of the front frame 20.
[0019]
A back set board 40 is disposed behind the game board 30. On the back set board 40, a ball storage tank 41 that is formed in a box shape with an open top and stores game balls, a tank rail 42 that aligns and flows down game balls supplied from the ball storage tank 41, and waits for alignment. A prize ball mechanism such as a ball payout device 44 for paying out game balls based on a predetermined winning state, a ball payout mechanism 45 for guiding the game balls paid out from the ball payout device to the upper and lower ball dishes 6, 7; A game-completed ball discharge passage 46 is provided for allowing the out ball and the safe ball discharged from the game board 30 to the back side to flow down to the collection bucket on the game facility side. Further, various circuit boards such as a power supply board, a main control board, and a payout control board are attached to the rear side of the back set board 40, and these circuit boards and electric / electronic components are connected by wiring so that they can be played. .
[0020]
The back set board 40 can be opened / closed and attached / removed laterally behind the front frame 20 with the front frame 20 opened to the front of the outer frame 10 by a back set board hinge mechanism 60 (60U, 60L) described below. It is attached so as to be able to be closed and is always kept closed by covering the rear side of the game board 30 by using a plurality of lock levers 25, 25.
[0021]
Now, in the pachinko machine PM schematically configured as described above, as shown in the plan view of the pachinko machine PM in which the game board 30 is held in the open position in FIG. The back set board hinge mechanism 60 that supports the side opening and closing and is detachable is the same side edge side as the side edge on which the front frame hinge mechanism 3 is provided, that is, the left side of the front frame 20 and the back set board 40 in the front view. It is provided on the edge side (right edge side in rear view). FIG. 5 shows a rear view of the back set board hinge mechanism 60 in a state where the back set board 40 is opened. In the description of the back set board hinge mechanism 60 and the game board hinge mechanism 50, the front frame 20 is opened and the state viewed from the rear side is mainly shown and described. Therefore, the left and right directions in the rear view shown in FIG. Will be described.
[0022]
The back set board hinge mechanism 60 includes a pair of upper and lower hinge mechanisms 60U, 60L. The hinge mechanisms 60U, 60L are respectively provided with front frame side hinge fittings 61, 61 fixed to the rear surface side of the front frame 20 by screws. This is a hinge mechanism comprising back set board side hinge fittings 62 and 62 fixed to the front side of the set board 30 by fitting shaft pins and shaft holes of these hinge fittings.
[0023]
The front frame-side hinge fitting 61 has a strip-shaped fixed flange portion 61a extending vertically, and a hinge plate portion 61b that is bent at a right angle and has a hinge plate portion 61b extending horizontally rearward. A hinge pin 61c that protrudes upward and has a tapered end is caulked and fixed to 61b. The fixing flange portion 61a is formed with a positioning projection 63d projecting rearwardly from the hinge fitting mounting portion of the front frame 20 and a positioning pin hole 61d that can be fitted and removed, and screw insertion holes in the form of flat holes on the top and bottom thereof. Is formed.
[0024]
The front frame side hinge fitting 61 is formed by stamping and bending a cold rolled steel sheet having a thickness of about 2.3 mm into a predetermined shape as shown in the drawing by press molding or the like, and fixing the hinge pin 61c to the hinge plate portion 61b. It is formed by performing a required surface treatment such as plating. Then, the positioning pin hole 61d formed in the fixing flange portion 61a is positioned by fitting it into the positioning projection 63d of the hinge bracket mounting portion, and the small screw 68 is inserted into the upper and lower screw insertion holes, thereby the screw on the front frame side. By tightening into the receiving hole, the front frame 20 is fixed at the upper and lower set reference positions.
[0025]
On the other hand, the back set board side hinge fitting 62 has a strip-like fixed flange portion 62a extending vertically and a hinge plate portion 62b extending horizontally forward by bending a lower portion of the fixed flange portion 62a at a right angle. The hinge plate portion 62b is formed with a bearing hole that has an inner diameter slightly larger than the outer diameter of the hinge pin 61c and is detachable from the hinge pin 61c. On the hinge fitting mounting portion of the back set board 30, there are a positioning rib 64a for positioning the back set board side hinge metal fitting 62 so as to surround the outer periphery of the fixing flange 62a and a cylindrical screw boss 64b for receiving a screw. On the other hand, the fixed flange portion 62a is formed with a screw insertion hole in the form of a flat hole that aligns with the screw boss on the back set board side when positioned in this way.
[0026]
As with the front frame side hinge fitting 61, the back set board side hinge fitting 62 is formed by punching and bending a cold rolled steel sheet having a thickness of, for example, about 2.3 mm into a predetermined shape shown in the figure by press molding or the like, and then performing UNIQLO plating. It is formed by performing a required surface treatment such as. Then, the fixed flange portion 62a is engaged with the positioning rib 64a and positioned, and a flat head screw 68 is screwed into the screw insertion hole and tightened, thereby fixing the back set board 30 at the upper and lower set positions.
[0027]
Then, by engaging the bearing holes of the upper and lower back set board side hinge fittings 62 with the hinge pins 61c of the corresponding front frame side hinge fittings 61, the upper and lower hinge fittings are engaged with each other and the hinge mechanism 60 is formed. Is done. In the back set board hinge mechanism 60, the arrangement pitch of the upper and lower back set board side hinge fittings 62, 62 is somewhat narrower than the arrangement pitch of the upper and lower front frame side hinge fittings 61, 61 (lower side). The mounting position of the back set panel side hinge bracket is set somewhat upward). Therefore, when connecting the upper and lower hinge mechanisms, first focus on the upper hinge mechanism 60U and engage the bearing hole with the hinge pin, and then focus on the lower hinge mechanism 60L and engage the bearing hole with the hinge pin. By fitting, it can be easily fitted and connected one place at a time.
[0028]
When the upper and lower front frame side hinge fittings 61 and 61 and the back set board side hinge fittings 62 and 62 are engaged and connected in this way, the back set board 40 is moved behind the front frame 20 by the upper and lower hinge mechanisms 60U and 60L. It is supported so that it can be opened and closed sideways.
[0029]
On the other hand, the game board hinge mechanism 50 that supports the game board 30 so as to be opened and closed laterally and detachably behind the front frame 20 is the side opposite to the side edge on which the front frame hinge mechanism 3 and the back set board hinge mechanism 60 are provided. It is the edge side, that is, the left side of the front frame 20 and the game board 30 in the rear view (the right side in the front view), and is provided on the open end side of the front frame 20. Hereinafter, the game board hinge mechanism 50 will be described in detail with reference to FIGS.
[0030]
6 is a perspective view of the game board hinge mechanism 50 when the game board 30 is removed from the housing frame 21 and viewed obliquely from the rear, and FIG. 7 is a game board hinge mechanism in a state where the game board 30 is housed in the housing frame 21. FIG. 8 is a side sectional view mainly showing an engagement state between the hinge pin and the hinge groove in the upper hinge mechanism, and FIG. 9 is an action when the game board side hinge fitting is engaged with and disengaged from the housing frame side hinge fitting. FIG.
[0031]
The game board hinge mechanism 50 includes a pair of upper and lower hinge mechanisms 50U and 50L, and is provided on the outer periphery of the storage frame side hinge fittings 51 and 51 provided inside the left edge of the storage frame 21 and the decorative board 31, respectively. This is a hinge mechanism that can be detached from the horizontal direction by engaging / disengaging the hinge pins 51c, 51c of the game board side hinge fittings 52, 52 and the hinge grooves 52c, 52c, and that can swing and open in the engaged state.
[0032]
The housing frame-side hinge metal fitting 51 has a strip-like fixed flange portion 51a extending vertically and a hinge plate portion 51b that is bent at a right angle and has a hinge plate portion 51b extending horizontally rearward. Hinge pins 51c protrude and are fixed by caulking to 51b so as to face each other downward, with the upper receiving frame hinge fitting facing downward, and with the lower receiving frame side hinge fitting facing upward. The fixing flange portion 51a is formed with a positioning projection 53d projectingly formed on the hinge bracket mounting portion of the housing frame 21 and a positioning pin hole 51d that can be fitted and removed, and screw insertion holes in the form of flat holes are formed on the left and right sides thereof. Has been.
[0033]
On the upper and lower sides on the left edge side of the housing frame 21, hinge fitting mounting portions for fastening the upper and lower housing frame side hinge fittings 51, 51 are formed. Among these, in the upper hinge fitting mounting portion, the positioning projection 53d that is formed in a stepped shaft shape and fits with the positioning pin hole 51d to position and support the housing frame side hinge fitting 51 is provided rearward from the front side of the front frame 20. A cylindrical screw boss 53b that is aligned with the screw insertion hole of the housing frame side hinge metal fitting and has a screw receiving hole in the axial center is protruded and molded on the left and right sides. Further, in the lower hinge fitting mounting portion, the support surface and the front wall surface are formed in a concave shape according to the plate thickness of the storage frame side hinge fitting 51, and the positioning pin hole 51d is fitted to the front wall surface. A positioning projection 53d for positioning the storage frame side hinge metal fitting 51 and a screw receiving hole that aligns with a screw insertion hole of the storage frame side hinge metal fitting are formed.
[0034]
The housing frame side hinge metal fitting 51 is formed by stamping and bending a cold rolled steel sheet having a thickness of about 1.6 mm into a predetermined shape as shown in the drawing by press molding or the like, and fixing the hinge pin 51c by caulking, and then performing necessary processing such as unichrome plating. It is formed by surface treatment. The upper and lower housing frame side hinge fittings 51 are positioned by fitting pin holes 51d formed in the fixing flange portion 51a to the positioning projections 53d of the hinge fitting mounting portion, and the small screw 57 is inserted into the left and right screw insertion holes. By tightening it in the screw receiving hole on the front frame side, the upper and lower positions are fixed. When the storage frame side hinge fittings 51 and 51 are attached to the upper and lower setting positions of the storage frame 21 in this way, the upper and lower hinge plate portions 51b and 51b are arranged vertically in parallel at a predetermined interval. Hinge pins 51c and 51c protruding from the hinge plate portion are arranged on the same axis so as to face each other.
[0035]
On the other hand, the game board side hinge fittings 52, 52 attached to the upper and lower sides of the outer peripheral portion of the decorative board 31 are both L-shaped in a side view, and are set up in the direction perpendicular to the game board between these upper and lower game board side hinge fittings. It is formed symmetrical with respect to the plane (mirror image). The game board-side hinge metal fitting 52 includes a fixed flange portion 52 a fixed to the back surface of the decorative plate 31, and a hinge plate extending in parallel with the outer peripheral surface of the decorative plate 31 by bending the upper or lower portion of the fixed flange portion 52 a at a right angle. 52b, a hinge groove 52c formed extending in the front-rear direction on the hinge plate 52b, a screw insertion hole drilled in the fixed flange portion 52a, and the like, and the same steel plate as the housing frame side hinge fitting 51 is processed in the same manner. Is formed by processing.
[0036]
The fixed flange portion 52 a and the hinge plate portion 52 b are formed so as not to protrude from the decorative plate 31 in a plan view when the game board side hinge fitting 52 is screwed to the decorative plate 31. Specifically, the front and rear external dimensions of the game board side hinge fitting 52 are formed to be the same as or slightly smaller than the plate thickness of the decorative board 31, and the decorative board is formed at the front end corner of the game board side hinge fitting 52. An arc-shaped flank 52r similar to the front end corner portion 31 is formed so that it does not protrude forward and backward and left and right from the decorative board 31 when the game board side hinge fitting 52 is attached.
[0037]
The hinge groove 52c is formed in a U-shaped groove having an open rear end that extends forward from the rear end of the hinge plate portion 52b. The hinge groove 52c is formed in the hinge plate portion 52b in such a way that the distance from the left end of the hinge plate portion 52b to the center of the hinge groove 52c is the distance from the support surface of the front frame portion to the axis of the hinge pin 51c in the housing frame 21. The groove width is somewhat larger than the diameter of the hinge pin 51c at the opening at the rear end, and is formed in an arc shape having the same radius as the outer diameter of the hinge pin 51c at the front end bearing.
[0038]
On the upper and lower sides of the left side edge side of the game board 30, a metal fitting housing portion 32 for housing the game board-side hinge metal fitting 52 is formed. That is, a fixed housing portion 32a for housing the fixed flange portion 52a of the game board side hinge metal fitting is formed on the back surface of the game board, and the hinge plate portion 52b of the game board side hinge metal fitting is provided at the outer peripheral corner of the game board 30. The plate accommodating portion 32b to be accommodated is notched.
[0039]
Of these, the fixed housing portion 32a has a cutting depth equal to or slightly larger than the board thickness of the game board side hinge fitting 52, and the back surface of the decorative board 31 is router-processed in accordance with the shape of the fixed flange portion 52a. When the fixed flange portion 52a is fixed to the fixed accommodating portion 32a with screws, the fixed flange portion 52a is accommodated so that the game board side hinge fitting 52 does not protrude rearward from the back surface of the decorative board 31. Yes. Further, by providing the fixed housing portion 32a on the back surface side of the decorative board 31 and screwing in the direction orthogonal to the board surface, the game board side hinge fitting 52 is driven by driving the screw in the direction orthogonal to the lamination direction of the laminated plywood. It can be firmly fixed. In addition, it is also possible to further reduce the protrusion amount to the back surface side of the decorative board 31 by using a flat head screw instead of the illustrated pan head screw 58.
[0040]
The upper and lower plate accommodating portions 32b are formed by router processing the upper and lower outer peripheral portions of the decorative plate 31 on which the hinge plate portion 52b is disposed with a cut depth somewhat larger than the protruding height of the upper and lower hinge pins 51c. When the game board hinge fitting 52 is disposed, the hinge plate portion 52b can be accommodated in the plate accommodating portion 32b.
[0041]
The game board side hinge metal fitting 52 aligns the left end corner portion of the hinge plate portion 52b with the left end corner portion (intersection point of the outline outline of the game board) of the decorative plate 31, and the upper and lower hinge plate portions 52b are arranged on the upper surface of the decorative plate 31. Or it arrange | positions according to a lower surface, and it fixes to the left corner part upper and lower sides of the game board 30 by screwing the screw 58 in the fixed accommodating part 32a from the back surface side of the fixed flange part 52a. When the game board side hinge fitting 52 is attached in this way, the fixed flange portion 52a of the game board side hinge fitting 52 is accommodated in the fixed accommodation portion 32a, and the hinge plate portion 52b is accommodated in the plate accommodation portion 32b. The board hinge metal fitting 52 is disposed so as not to protrude from the game board 30 to the front and rear and the outer circumference. Further, a pin housing space that can receive the head of the hinge pin 51c is formed between the hinge plate portion 52b and the cut-out surface of the plate housing portion 32b.
[0042]
Thus, when the upper and lower game board side hinge fittings 52 and 52 are attached to the decorative board 31, the upper and lower hinge plate portions 52b and 52b are separated from each other by the hinge plate portions 51b and 51b in the upper and lower housing frame side hinge fittings. The upper and lower hinge grooves 52c and 52c are disposed so as to overlap each other in a plan view with a space slightly smaller than the inner surface space of 51b.
[0043]
When the upper and lower storage frame side hinge fittings 51 and 51 are attached to the inside of the left side edge of the accommodation frame 21 in this way, and the upper and lower game board side hinge fittings 52 and 52 are attached to the outer peripheral portion of the decorative board 31. 9, the hinge groove 52 c can be engaged with and disengaged from the hinge pin 51 c in an angular posture in which the game board 30 is substantially orthogonal to the housing frame 21 as indicated by a two-dot chain line. The hinge pins 51c, 51c can be relatively swung around a swing shaft.
[0044]
As described above, the game board hinge mechanism 50 is disposed at a position where the front frame 20 is easily visible on the open end side (the front end side of the opened front frame 20). In the lower hinge mechanism 50 </ b> L, the storage frame side hinge fitting 51 is arranged along the support surface of the accommodation frame 21, and the game board side hinge fitting 52 is arranged along the lower surface of the decorative board 31. The distance from the left end portion of the hinge plate portion 52b to the center of the hinge groove 52c is set to be slightly smaller than the distance from the support surface of the front frame portion to the axial center of the hinge pin 51c in the housing frame 21.
[0045]
For this reason, when the storage frame side hinge fitting 51 and the game board side hinge fitting 52 are engaged / disengaged, the game board 30 is arranged so as to be substantially orthogonal to the open end side of the accommodation frame 21 which is easy to visually recognize and engage / disengage. With the hinge plate portion placed on the support surface of the storage frame 21 in the installed posture to support the load, the game board 30 is left as it is with the left end surface of the decorative plate 31 in contact with the front frame portion of the storage frame 21. By horizontally sliding the housing frame 21 to the left, the hinge groove 52c can be engaged with the hinge pin 51c. Therefore, it is not necessary to perform a complicated operation such as the vertical positioning of the hinge pin and the pin hole in the inner part which is difficult to visually recognize while supporting the load of the game board 30, and the hinge groove 52c is aligned with the hinge pin 51c. Since it is not necessary to perform, the game board 30 can be easily mounted.
[0046]
Then, after the hinge groove 52c is engaged with the hinge pin 51c, the right side of the game board 30 is pressed forward and swung so that the engagement state between the hinge pin 51c and the hinge groove 52c is secured. The game board 30 can be rotated around a swinging shaft having the hinge pins 51c and 51c as the axis to open and close the housing frame 21. Thereby, the game board 30 is accommodated in the accommodation frame 21 so that it can be opened / closed / removed laterally rearward, and even a relatively heavy game board can be easily attached / detached from the rear of the accommodation frame 21. Further, since the game board side hinge fitting 52 is disposed within an outer size that does not protrude in the outer peripheral direction from the outer contour line of the decorative board 31, when the game board 30 is handled alone, the game board 30 is hooked on the peripheral member to damage the peripheral member. Or the possibility of deforming the game board hinge fitting 52 can be reduced.
[0047]
Furthermore, in the gaming board hinge mechanism 50 of this configuration, once the hinge groove 52c is engaged with the hinge pin 51c and swung in the closing direction, the hinge pin 51c and the hinge groove 52c are not disengaged thereafter. For this reason, it is possible to freely swing open and close without supporting the game board 30 between the attaching / detaching angle position and the closing angle position and hold it at an arbitrary opening angle position. Further, in the state where the game board 30 is closed to the housing frame 21, it opposes the external force acting in the left-right direction by the engagement between the hinge groove 52c oriented in the front-rear direction and the hinge pin 51c, and the bearing portion at the front end of the hinge groove And the hinge pin 51c are configured to have a high resistance against an external force acting from the front of the game board 30.
[0048]
In the above, an example in which the housing frame side hinge fitting 51 is provided with the hinge pin and the game board side hinge fitting 52 is formed with the hinge groove is shown, but the arrangement position of the hinge pin and the hinge groove may be reversed. For example, the game board side hinge fitting 52 is provided with a hinge pin protruding in the vertical direction and accommodated in the plate accommodating portion 32b, while the accommodation frame side hinge fitting 51 is formed with a hinge groove that can be engaged with and disengaged from the hinge pin. The hinge plate portion 51b of the housing frame side hinge fitting is inserted into the plate housing portion 32b between the hinge plate portion 52b of the side hinge fitting 52 and the decorative plate 31, and the hinge pin on the game board side is engaged with the hinge groove on the housing frame side. It can also be configured to match. According to such a configuration, since the hinge pin is disposed in the plate accommodating portion 32b in addition to having no groove in the hinge plate portion 52b, a gaming board hinge mechanism that is not easily damaged by an external force is configured. can do.
[0049]
On the opposite side to the side edge where the game board hinge mechanism 50 is provided, that is, on the upper and lower central parts of the right side edge of the storage frame 21, the game board 30 that is hinged and closed by the storage frame 21 as described above is moved backward. An opening assisting member 55 to be urged is attached so that the opening operation of the game board 30 can be easily performed. FIG. 10 is a perspective view of the vicinity of the attachment portion of the opening assisting member 55, and FIG. 11 is a plan sectional view showing the action of the opening assisting member 55 when the game board 30 is opened and closed.
[0050]
The opening auxiliary member 55 includes a rectangular flange-shaped fixing portion 55a having screw insertion holes formed at predetermined intervals in the vertical direction, a first side portion 55b extending forward by bending a left side edge of the fixing portion 55a at a right angle, An arch portion 55c whose front end side of the first side portion 55b is folded back in a convex semicircular arc shape, a second side portion 55d connected to the arch portion 55c and extending rearward in parallel with the first side portion, The rear part of the two side parts is composed of an urging piece 55e bent diagonally rearward on the opposite side to the first side part. For example, a stainless steel plate having a thickness of about 0.5 to 1 mm is punched and press-molded. It is formed by molding into the illustrated shape.
[0051]
The receiving frame 21 is formed with a fixing support portion 21a in which the right side frame portion is cut out according to the height dimension of the opening assisting member 55 and the fixing portion 55a is attached, and a screw is received in front thereof. The screw bosses are formed at predetermined intervals in the vertical direction, and the inner wall surface of the side frame portion is counterbored according to the thickness of the opening assisting member 55 and the shape of the first side portion 55b, and the first side receiving portion 21b. Is provided. Further, a notch portion 21 e for projecting the biasing piece portion 55 e to the inside of the housing frame 21 is formed in the front frame portion that supports the front surface of the decorative plate 31.
[0052]
The opening assisting member 55 is fixed at the set position of the side frame portion by supporting the fixing portion 55a on the fixing support portion 21a and screwing and fastening the screw 59 to the screw boss through the screw insertion hole formed in the fixing portion. . When the opening assisting member 55 is screwed, the first side portion 55b is accommodated in the first side receiving portion 21b that is counterbored inside the side frame portion and protrudes inward from the wall surface of the side frame portion. The arch portion 55c and the second side portion 55d are accommodated in the groove portion between the side frame portion and the front frame portion of the accommodating frame 21, and the urging piece portion 55e is accommodated from the notch portion 21e to the accommodating frame 21. It projects obliquely rearward on the inside, and its tip side is disposed so as to be swingable back and forth.
[0053]
Here, the outer surface spacing of the first side portion 55b and the second side portion 55d is set to be smaller than the groove width between the side frame portion and the front frame portion in the housing frame 21, and the biasing piece portion. When 55e is pressed forward, each part from the first side part 55b to the tip of the urging side part 55e is elastically deformed to accumulate elastic force. Further, by providing the arch portion 55c between the first side portion 55b and the pressing side portion 55e as described above, it is difficult to be affected by variations in the position system and shape accuracy of each component member, and the elastic force is applied over a wide range. It is possible to generate a stable urging force by accumulating. In addition, the front-end | tip part of the urging | biasing piece part 55e is formed in the loose R shape toward the front, and can engage smoothly with the front surface of the decorative board 31. FIG.
[0054]
Therefore, when the game board 30 supported by the game board hinge mechanism 50 is swung in the closing direction, the decorative board 31 is in a relative angular position immediately before the front surface of the decorative board 31 becomes parallel to the support surface of the front frame portion. Smoothly engages with the tip of the urging piece 55e that projects obliquely backward into the frame (see the two-dot chain line in FIG. 11). When the rear surface of the decorative board 31 is pressed forward from this contact state to further swing the game board 30 in the closing direction, each part from the first side portion 55b of the opening assisting member 55 to the tip of the biasing piece portion 55e. In the closed angle position where the front end side of the decorative plate 31 abuts against the front frame portion, the biasing piece portion 55e is formed on the front frame portion. It is accommodated in the notch 21e and is disposed so as to be sandwiched between the front frame and the decorative board 31 (see the solid line in FIG. 11).
[0055]
Then, with the opening assisting member 55 elastically deformed in this way, the closing clamps 23 provided at the respective peripheral portions of the housing frame 21 are rotated, and the clamp lever 23 a is engaged with the back surface of the decorative plate 31. Thus, the game board 30 is accommodated and held in the closed posture accommodated in the accommodation frame 21.
[0056]
The closing clamp 23 is a clamp lever 23a embossed with a hemispherical projection on the front side that engages with the decorative plate 31, and is planted to protrude rearward from the front frame 20 so that the clamp lever can be rotated in a vertical plane. A supporting shaft 23b to be supported, a coil spring 23c that urges the clamp lever 23a supported by the supporting shaft 23b forward, a cap nut 23d that is screwed to the rear end of the supporting shaft to compress and hold the coil spring 23c, and the like.
[0057]
In the closed clamp 23, the clamp lever 23a is rotated by using a finger-hanging portion bent on the side of the lever, whereby the clamp lever 23a is engaged with and disengaged from the rear surface of the decorative plate 31, and the elasticity of the coil spring 23c is increased. The game board 30 can be fixed regardless of variations in the thickness of the decorative board 31 by elastically pressing the rear surface of the decorative board 31. In the present embodiment, such a closing clamp 23 is provided at one location on the left edge side where the game board hinge mechanism 50 is provided, two locations above and below the right edge side where the opening assist mechanism 55 is provided, and further below the housing frame 21. The example which provided the closing clamp 23 'of the form which does not have a coil spring in the center is shown.
[0058]
On the other hand, as described above, the closing clamp 23 of the game board 30 accommodated and held in the housing frame 21 in the closed posture is operated to rotate in the releasing direction to release the closing, and the pressing force to push the decorative board 31 forward is released. Then, the opening assisting member 55 self-resets to the shape before elastic deformation by the elastic force stored in each part of the opening assisting member 55, and the tip of the urging piece 55e presses the front surface of the decorative plate 31 backward. To swing the game board 30 in the opening direction.
[0059]
Accordingly, the right side of the decorative plate 31 is disposed so as to be lifted from the housing frame 21. For this reason, the operator can easily swing and release the game board 30 by placing a finger on the right side of the decorative board 31 that has been lifted. Further, in the pachinko machine PM, a receiving metal 72 of the game board opening and holding mechanism 70 described below is provided on the back side of the decorative board 31 that is directly above the engaging part to be engaged with and disengaged from the opening assisting member 55. A hook plate portion 72c that is easily finger-fitted is formed (see FIGS. 3, 4, and 13). For this reason, in the pachinko machine PM of this configuration, the game board 30 can be easily rocked and released by placing a finger on the hook plate portion 72c and pulling it out, and the hinge groove 52c and the hinge pin formed in the front-rear direction By engaging with 51c, the hinge can be held at any open angle position without disengaging the hinge between the attach / detach angle position and the close angle position.
[0060]
In the embodiment, the example in which the opening assisting member 55 is provided at one central portion on the right edge of the housing frame 21 is shown. However, the opening assisting member 55 may be disposed at a position away from the swing axis of the game board hinge mechanism 50. For example, it may be provided at one location above or below the right edge, or at a plurality of locations at the top and bottom, or at the top and bottom frame portions.
[0061]
In the pachinko machine PM, the front frame 20 is opened to the front of the outer frame 10 as described above, the back set board 40 is opened to the rear of the front frame 20, and the game board 30 is further to the rear of the front frame 20. In the opened state of the game board, a game board release holding mechanism is provided for holding the game board 30 in the open posture. Hereinafter, the game board opening and holding mechanism 70 of the first embodiment will be described with reference to FIGS.
[0062]
Here, FIG. 12 is a plan view showing a state in which the game board 30 is held in the open posture by the game board opening and holding mechanism 70, FIG. 13 is an exploded perspective view showing the main part of the game board opening and holding mechanism 70, and FIG. 12 is an arrow view of the game board opening and holding mechanism 70 viewed from the arrow XIV direction in FIG. 12, FIG. 15 is an arrow view of the game board opening and holding mechanism 70 viewed from the arrow XV direction in FIG. 12, and FIG. A plan view (partial sectional view) of the open holding mechanism 70 is shown, and FIGS. 14A to 16B show the states before and after the engagement, respectively.
[0063]
The game board opening and holding mechanism 70 is mainly composed of an engagement shaft 71 on the back set board 40 side and a receiving metal fitting 72 on the game board side 30 that can be engaged with each other, and includes the front frame 20, the back set board 40, and the game. The game board 30 is configured to be locked and held in the open posture by engaging the engagement shaft 71 with the metal fitting 72 in the state where the board 30 is opened.
[0064]
The engagement shaft 71 on the back set board 40 side is a solid shaft-shaped shaft portion 71b, a restriction pin 71c that is driven into an intermediate portion of the shaft portion 71b and protrudes in an outer peripheral direction orthogonal to the axis, and a rear end of the shaft portion 71b. A steel bar having a predetermined wire diameter, which includes a tongue-like operation lever portion 71d that is fixed and extends in an outer peripheral direction orthogonal to the regulation pin 71c, a game board engagement portion 71e that is formed in a tapered shape on the front end side of the shaft portion, and the like. The game board engaging portion 71e is formed by turning or rolling, and the regulation pin 71c and the operating lever portion 71d are fixed, and then the required surface treatment is performed.
[0065]
An engagement shaft attaching portion 48 is formed on the right frame rod 47 of the back set board 40 at a height position that matches the arrangement height of the receiving bracket 72 on the game board side. In the engagement shaft mounting portion 48, the outer side surface of the right frame rod 47 is recessed to provide a housing space for the engagement shaft 71. A slide guide 48a is formed in front of the engagement shaft 71, and a slide restriction piece 48d is integrally molded in the rear. Yes.
[0066]
In the slide guide 48a, a support shaft portion 48b having an inner diameter that is the same as or slightly smaller than the outer shape of the shaft portion 71b is formed so as to penetrate in the front-rear direction, and the engagement shaft 71 is removably received from the rear of the slide guide 48a. In addition, the received engagement shaft 71 is supported so as to be slidable in the thrust direction (front-rear direction) in which the shaft portion 71b extends and to be rotatable in the radial direction. The support wall surface outside the support shaft portion 48b is formed with a slit groove 48c that is separated by a groove width that is slightly larger than the pin diameter of the regulation pin 71c and extends in the front-rear direction, and is received in the support shaft portion 48b. A shaft regulating pin 71c is movable back and forth through the slit groove 48c.
[0067]
As is apparent from FIGS. 14A and 14B, the dimension of the slide guide 48a in the front-rear direction is set to be substantially the same as the interval between the regulation pin 71c and the operation lever portion 71d of the engagement shaft 71. If the restricting pin 71c is moved forward through the slit groove 48c, the restricting pin 71c passes through the slit groove 48c and the front of the slide guide 48a when the operating lever portion 71d comes into contact with the rear end surface of the slide guide 48a. When the operation lever portion 71d is rotated at that position, the restricting pin 71c is rotated along the front end surface of the slide guide 48a.
[0068]
In other words, when the regulation pin 71c is in engagement with the front end surface of the slide guide 48a, the engagement shaft 71 is allowed to rotate only in the radial direction and can move in the front-rear direction and in the direction perpendicular to the axis. For example, even if a pressing force is applied from the front, the engagement shaft 71 does not retract into the slide guide 48a.
[0069]
The slide restricting piece 48d is rotated in a state where the restricting pin 71c is positioned behind the slide guide 48a, and when the restricting pin 71c is engaged with the rear end surface of the slide guide 48a, The rear end surface of the slide guide 48a and the front surface of the slide restricting piece 48d are formed on the rear end position so that the control lever 71d and the control lever portion 71d of the engagement shaft 71 are in the retracted position. The engagement shaft 71 does not protrude forward or fall back backward.
[0070]
On the other hand, the receiving bracket 72 on the game board side 30 is connected to the fixed side portion 72a having a screw insertion hole that can be screwed to the back surface of the decorative board 31, the support leg portion 72b extending rearward, and the support leg portion 72b on the left and right inner sides. The hook plate portion 72c is formed to be easily hooked with its end portion bent forward, the opening portion 72d formed in the support leg portion 72b, and the upper and lower fixed side portions 72a and the support leg portion 72b are connected to the opening portion 72d. And is formed by press-forming and welding a cold-rolled steel plate or the like, or die-casting an aluminum alloy or the like.
[0071]
On the back surface side of the decorative plate 31, the rear end corner portion is chamfered to form a sloped relief surface 38. The flank 38 has a height width larger than the outer diameter of the shaft portion 71b with reference to the height position of the engagement shaft 71 on the back set board 40 side, and engages obliquely in the engagement posture. It is formed with a cut depth that can be received without contacting the shaft 71. Flat mounting surfaces are formed on the upper and lower sides of the flank 38, and the upper and lower fixed side portions 72a of the receiving metal 72 are fixed with screws here, and the receiving metal 72 is attached to the rear right end side of the decorative plate 31.
[0072]
In addition, the height width of the opening 72d in the receiving metal 72 is larger than the outer diameter of the shaft portion of the engagement shaft 71 in the same manner as the height width of the flank 38, and the game board is formed in a tapered shape at the tip. The joint portion 71e is securely received and can be engaged. The inclination angle of the engagement receiving portion 72e is formed in accordance with the arrangement angle of the game board engaging portion 71e when the engaging shaft 71 is fitted into the opening 72d, and is engaged with the opening 72d. When the shaft 71 is inserted, the distal end portion of the game board engaging portion 71e protrudes inside the opening 72d, and the tapered surface of the game board engaging portion 71e is engaged with the engagement receiving portion 72e.
[0073]
In the gaming board opening and holding mechanism 70 configured as described above, in order to use the gaming board opening and holding mechanism 70 to lock and hold the gaming board 30 in the opened posture, first, FIG. 14 to FIG. As shown in FIGS. 4A and 4B, the front end portion of the engagement shaft 71 is stored in the support shaft portion 48b of the slide guide 48a and the operation lever portion 71d is in contact with the slide restricting piece 48d. The opening angle of the frame 20 and the game board 30 is adjusted, and the corner on the front side of the decorative board 31 is brought into contact with the right frame rod 47 of the back set board 41 so that the receiving metal 72 on the game board 30 side and the back set board are placed. Alignment with the 40-side engagement shaft 71 is performed.
[0074]
Next, the operating lever portion 71d of the engagement shaft 71 is rotated, and the angular position indicated by the two-dot chain line from the angular position indicated by the solid line in FIG. The operation lever portion 71d is pushed forward in accordance with the angular position lined up on the same line in the rear. As a result, when the regulation pin 71c moves forward through the slide groove 48c and is slid until the operation lever portion 71d comes into contact with the rear end surface of the slide guide 48a, the regulation pin 71c passes through the slit groove 48c and slides. It is arranged in front of 48a. At this time, the front end portion of the engagement shaft 71 protrudes forward from the support shaft portion 48b of the slide guide 48a and passes through the formation area of the relief surface 38, and the game board engagement portion 71e protrudes inside the opening portion 72d. Engages with the receiving portion 72e.
[0075]
Therefore, the operation lever portion 71d of the engagement shaft 71 is rotated again to rotate the engagement shaft 71 further clockwise, and as shown in FIGS. It arrange | positions at the angle attitude | position which 71c faces upwards. At this time, the locking pin 71c moves upward while engaging with the front end surface of the slide guide 48a in front of the slide guide, and the operation lever portion 71d rotates while engaging with the rear end surface of the slide guide 48a behind the slide guide. To do. When the restricting pin 71c is rotated to an upward angle, the engaging shaft 71 is restricted from moving in the front-rear direction and in the direction perpendicular to the axis, and protrudes even when it receives a pressing force from the front or side. The posture does not change.
[0076]
In addition, the pachinko machine has a predetermined rearward tilt angle (generally determined by the setting standard) when the outer frame 10 for holding is fixed by nailing to the game island PI (see FIG. 4) of the game facility. Is adjusted and fixedly installed so that a loose urging force acts on the opened front frame 20 and back set board 40 in the direction of the outer frame.
[0077]
For this reason, when the engagement shaft 71 is protruded as described above and the engagement shaft 71 and the metal fitting 72 are engaged, the game board engagement portion 71e is engaged with the engagement reception portion 72e in the opening 72d. The game board 30 is held in the released posture by being held in the combined engagement state. In this open posture, the game board 30 is supported by connecting the open end side of the front frame 20 and the open end side of the back set board 40, and the rear side of the game board 30 is disposed obliquely forward. The Further, the game board 30 is supported in a stable open posture with both left and right side edges supported by the game board hinge mechanism 60 on the front frame side and the game board opening and holding mechanism 70 on the back set board side.
[0078]
Thus, an operator who wants to perform maintenance work can easily perform maintenance work on the entire rear side of the game board 30 without worrying about the presence of the front frame 20 and the back set board 40, and the pachinko machine. It is possible to perform maintenance work in a comfortable working posture by sitting on a player's chair adjacent to the right side of the PM.
[0079]
When the maintenance operation is completed and the release of the game board 30 is released, contrary to the above-described opening and holding operation, each drawing from (b) to (a) in FIGS. A storage operation may be performed. That is, the control lever 71d is rotated counterclockwise in the rear view from the angle posture in which the regulation pin 71c is directed upward, and the regulation pin 71c is adjusted to the angular position on the same line in front of the slide groove 48c. The operation lever portion 71d is pressed backward. As a result, the regulation pin 71c moves rearward through the slide groove 48c.
[0080]
When the front end portion of the engagement shaft 71 is accommodated in the support shaft portion 48b of the slide guide 48a and the restriction pin 71c moves through the slide groove 48c to the rear end side of the slide guide 48a, the operation of the engagement shaft 71 is performed. The lever portion 71d is rotated counterclockwise again to rotate the engagement shaft 71, and as shown in FIGS. 14 to 16, the operation lever portion 71d is brought into contact with the slide restricting piece 48d. Place it in a storage state that touches. In this retracted state, the locking pin 71c is engaged with the rear end surface of the slide guide 48a, the operation lever portion 71d is engaged with the slide restricting piece 48d, and the movement in the front-rear direction is restricted, and the engagement shaft 71 is moved forward. It does not protrude or fall back.
[0081]
Therefore, according to the gaming board opening and holding mechanism 70 as described above, maintenance work on the rear side of the gaming board can be performed easily and in a stable working posture, and a gaming machine with good workability can be provided. it can.
[0082]
Next, with reference to FIG. 17 and FIG. 18, the game board opening and holding mechanism 170 of the second embodiment will be described. Here, FIG. 17 is a plan view showing a state in which the game board 30 is held in the open posture by the game board release holding mechanism 170 corresponding to FIG. 16B described above, and FIG. 18 is a direction of arrow XVIII in FIG. It is an arrow view of the game board opening | holding holding | maintenance mechanism 170 seen from.
[0083]
The game board opening and holding mechanism 170 is mainly composed of an engaging lever 171 on the back set board 40 side and a receiving metal fitting 172 on the game board side 30 that can be engaged with each other, and the front frame 20, the back set board 40, When the game board 30 is opened, the engagement lever 171 is engaged with the metal fitting 172 so that the game board 30 is locked and held in the open posture.
[0084]
The engagement lever 171 on the back set board 40 side is a band plate-like arm portion 171a that is bent and shaped in accordance with the relative angle between the decorative plate 31 and the back set board 40 in the open posture, and is on the proximal end side of the arm portion. It consists of a screw insertion hole that is drilled, a hook part 171c that is cut out at the tip of the arm part, a knob part 171m that is bent at the upper edge of the arm part, etc. It is formed by stamping and bending a sheet metal material such as a steel plate.
[0085]
The right frame rod 47 of the back set board 40 is provided with an arm mounting portion 148 in which the outer peripheral surface of the right frame rod is recessed to accommodate the engaging arm, as described above, and the screw 178 is received therein. A cylindrical screw boss 148b is integrally formed. The engagement lever 171 is attached to the screw insertion hole on the proximal end side of the arm portion by screwing the screw 178 to the screw boss 148b, and is pivotally mounted around the axis of the screw 178 so as to be swingable up and down. Further, below the right frame ridge 47 in the back set board 40, a flat support metal fitting 173 is assembled to the front side of the back set board 40 so as to be able to appear and retract in accordance with the height position of the lower end of the decorative board 31. The support fitting 173 is disposed so as to protrude from the front side of the back set board 40, and is configured to be able to support the lower end face of the decorative board 31 when the game board 30 is opened.
[0086]
On the other hand, the receiving bracket 172 has a fixed plate portion 172a serving as a base, upper and lower screw insertion holes formed in the fixed plate portion 172a, and a part on the left end side of the fixed plate portion 172a is matched to the plate thickness of the engaging lever 171. The hook portion 171c of the engaging lever and the hook receiving portion 172c that can be engaged and disengaged are formed by the same processing means using the same sheet metal material as that of the engaging lever. The receiving bracket 172 is screwed to a predetermined position on the rear side of the decorative plate aligned with the disposition height position of the engaging lever 171 by a screw 179, and the hook portion 171c of the engaging lever 171 and the receiving bracket in the game board open state. A hook receiving portion 172c of 172 is detachably disposed.
[0087]
In order to lock and hold the gaming board 30 in the open posture using the gaming board opening and holding mechanism 170 configured as described above, a hook portion 171c as shown by a two-dot chain line in FIG. From the housed stored state, the arm portion 171a is once raised upward, and the hook portion 171c is retracted upward from the horizontal position. Further, the support bracket 173 below the right frame ridge is projected to the front side of the back set board 40 so that the lower end surface of the decorative board 31 can be supported. And the opening angle of the front frame 20 and the game board 30 is adjusted, the lower surface of the open end side of the decorative board 31 is placed on the support metal fitting 173 to support the load, and the corner on the front side of the decorative board 31 is back. The receiving bracket 172 and the engagement lever 171 are aligned with each other by abutting against the right frame rod 47 of the set board 41.
[0088]
Next, using the knob portion 171m of the engagement lever 171, the arm portion 171 is swung in the lying down direction, and the hook portion 171c is engaged with the hook receiving portion 172c of the metal fitting. When the hook portion 171c and the hook receiving portion 172c are engaged, the groove surface of the hook portion 171c and the groove engaging surface of the hook receiving portion 172c (the left and right surfaces of the standing side perpendicular to the decorative plate 31) are engaged. Thus, swinging in the direction in which the front frame 20 is opened and closed is restricted, and the game board 30 is opened and closed by the surface engagement between the front and rear arm portions 171a sandwiching the hook groove, the hook receiving portion 172c, and the fixed plate portion 172a. Swinging is restricted.
[0089]
For this reason, when the engagement lever 171 and the metal fitting 172 are engaged, the game board 30 and the back set board 40 are engaged and connected, and the game board 30 is locked and held in the same open posture as shown in FIG. Is done. In the open posture, the game board 30 connects the front frame 20 and the back set board 40 to form a triangular connection structure, and the game board 30 is disposed with the rear side of the game board 30 opened obliquely forward. The game board 30 is supported at the left edge by the game board hinge mechanism 60 and supported at the right edge by the support fitting 173 so as to be held in a stable open posture.
[0090]
Thereby, the worker who is going to perform the maintenance work can easily perform the maintenance work for the entire rear side of the game board 30 without worrying about the presence of the front frame 20 and the back set board 40. It is possible to perform maintenance work in an easy working posture by sitting on a player's chair adjacent to the right side of the machine PM. On the other hand, when the maintenance work is completed and the release of the game board 30 is released, a storage operation opposite to the above-described release holding operation may be performed. Since this storage operation can be easily understood by those skilled in the art, the description is omitted here.
[0091]
Therefore, in the gaming board opening and holding mechanism 170 as described above, maintenance work on the rear side of the gaming board can be easily and stably performed in the same manner as the gaming board opening and holding mechanism 70 described above. It is possible to provide a good gaming machine. Further, according to the game board opening and holding mechanism 170 of this configuration, the connection holding force between the game board 30 and the back set board 40 is strong even though it is an extremely simple and low-cost configuration, and the operator mistakenly performs the front operation during the maintenance work. Even when a force that contacts the frame 20 and swings the front frame 20 in the release direction is applied, the game board 30 can be held in the open posture while maintaining the engaged state.
[0092]
Next, the game board opening and holding mechanism 270 of the third embodiment will be described with reference to FIG. FIG. 19 is a view showing a state in which the game board 30 is held in the open posture by the game board release holding mechanism 270, and is an arrow view seen from the direction of the arrow XIV in FIG. 12 as in FIG. 14 (b). .
[0093]
The game board opening and holding mechanism 270 includes a locking spring 271 that can be engaged with and disengaged from the game board 30 and the back set board 40 when the front frame 20, the back set board 40, and the game board 30 are opened. It is configured as a main body, and hook portions at both ends of the locking spring 271 are engaged between the game board 30 and the back set board 40 so that the game board 30 can be locked and held in an open posture. Composed.
[0094]
The locking spring 271 is a helical coil spring, and has hook portions 271b and 271c at both ends of the coil portion 271a. The right frame rod 47 of the back set board 40 is provided with a spring accommodating portion 248 having a recessed outer peripheral surface, and a spring locking portion 248b for locking one hook portion 271b in a vertical plane so as to be swingable. Is formed. A spring housing latching portion (not shown) is formed at the lower portion of the spring housing portion 248. The other hook portion 271c of the latching spring 271 is always latched to accommodate the latching spring 271 in the vertical direction. It can be stored and held in a posture.
[0095]
On the other hand, on the game board 30 side, a receiving bracket 272 is fixed to the back surface of the decorative plate 31 with a screw or the like not shown, and a spring latching portion that latches the other hook portion 271c on the receiving bracket 272 so as to be detachable. 272c is cut and raised. Similarly to the flank 38 described above, the decorative plate 31 is chamfered at the rear end corner portion to form a flank flank 38 ', and the coil portion 271a of the locking spring is not caught. It is supposed to be passed.
[0096]
In such a game board opening and holding mechanism 270, in order to lock and hold the game board 30 in the open posture, first, the opening angle of the front frame 20 and the game board 30 is adjusted, and the front corner portion of the decorative board 31 is set to the back side. The receiving bracket 172 is aligned by abutting against the right frame rod 47 of the board 41, and the hook part 271c hooked on the spring accommodating hook part is removed and swung to make the hook part 271 a spring on the game board side. It is hooked on the hooking portion 272c.
[0097]
Thereby, the game board 30 and the back set board 40 are engaged and connected via the locking spring 271, and the game board 30 is locked and held in the same open posture as shown in FIG. 4. In the open posture, the game board 30 connects the front frame 20 and the back set board 40 to form a triangular connection structure, and the game board 30 is disposed with the rear side of the game board 30 opened obliquely forward. For this reason, an operator who wants to perform maintenance work can easily perform maintenance work on the entire rear side of the game board 30 without worrying about the presence of the front frame 20 and the back set board 40. It is possible to perform maintenance work in an easy working posture by sitting on a player's chair adjacent to the right side of the machine PM. On the other hand, when the maintenance work is completed and the release of the game board 30 is released, a storage operation opposite to the above-described release holding operation may be performed.
[0098]
Therefore, in the gaming board opening and holding mechanism 270 as described above, maintenance work on the rear side of the gaming board can be easily and stably performed in the same manner as the gaming board opening and holding mechanisms 70 and 170 described above. A gaming machine with favorable workability can be provided. Further, according to the game board opening and holding mechanism 270 of this configuration, the game board 30 and the back set board 40 are elastically engaged and connected, so that, for example, an operator accidentally hits the front frame 20 during maintenance work. Even in such a case, the received impact force is absorbed by the coil portion 271a, and the game board 30 is released while maintaining the engaged state without causing damage to the game board release holding mechanism 270 and its peripheral members. Can be held.
[0099]
In the game board opening / holding mechanism 270, the support bracket 173 (see FIG. 11) exemplified in the above-described game board opening / holding mechanism 170 is provided in the lower front portion of the back set board 40, and the game board 30 is opened. It is also a preferred embodiment that the lower end surface of the decorative plate 31 is supported.
[0100]
Further, FIG. 12 shows a configuration example of a further different game board opening and holding mechanism by a two-dot chain line. This game board opening and holding mechanism is mainly composed of an engagement metal fitting 49. The engagement metal fitting 49 includes a flat support arm portion 49 a that supports the lower surface of the decorative plate 31, and a rear support wall portion in which a side edge of the support arm portion is bent upward and abuts and supports the rear surface of the decorative plate 31. 49b, and is assembled to the front side of the back set panel 40 so as to be able to swing open and close according to the height position of the lower end of the decorative board 31. The swing angle of the engagement metal fitting 49 is such that the lower surface of the decorative plate 31 is supported by the support arm portion 49a from the accommodation angle position where the engagement metal fitting is accommodated on the front side of the back set board, and the decorative plate is attached to the rear support wall 49b. 31 is supported so as to be able to swing (change in and out) within the range of the engagement angle position where the rear surface of 31 is brought into contact.
[0101]
In such a game board opening and holding mechanism, when the game board 30 is held open, the engagement metal fitting 49 is first swung from the accommodation angle position to the engagement angle position so that the lower end surface of the decorative board 31 can be supported. Keep it. And the opening angle of the front frame 20 and the game board 30 is adjusted, the lower surface of the open end side of the decorative board 31 is placed on the support arm portion 49a to support the load, and the front corner of the decorative board 31 is set to the back side. The rear face of the decorative plate 31 is brought into contact with the rear support wall portion 49 b on the right frame flange 47 of the board 41 to support the open end side of the decorative plate 31.
[0102]
As described above, the game board 30 and the front frame 20 are biased in the direction of the outer frame 10 in the opened state by the setting of the rearward tilting posture when the outer frame is fixed, and the engagement fitting 49 is It is prevented from opening more than the engagement angle position. For this reason, as for the decorative board 31 supported by the engagement metal fitting 49 as mentioned above, the front-end corner | angular part of the decorative board 31 contact | abuts the front surface of the back set board 40, and the rear surface of the decorative board 31 is on the back surface support wall part 49b. The game board 30 is held in an open posture by being supported and held between these contact parts.
[0103]
The support arm 49a is provided with a protrusion protruding upward, and the protrusion receiving portion detachable from the protrusion is provided on the lower surface of the decorative plate 31 so that the support arm 49a supports the lower surface of the decorative plate 31. It is also preferable that the projecting portion and the projecting receiving portion are engaged with each other to maintain an open posture. According to such a configuration, it is possible to improve the stability in the game board open posture and to increase the resistance against a force that causes the front frame 20 or the game board 30 to swing.
[0104]
In the above, the game board opening and holding mechanism for holding the game board 30 in the open posture has been described with reference to various embodiments. In order to further facilitate the maintenance work on the side, a back set board opening and holding mechanism 80 is provided.
[0105]
The back set board opening and holding mechanism 80 is provided on the outer frame 10 and the back set board 40 on the opposite side to the side edge on which the back set board hinge mechanism 60 is provided, that is, the front right side on which the game board open and holding mechanism is provided. The engaging member 81 on the side of the outer frame 10 that can be engaged in the vertical direction and the engaged member 82 attached to the ball storage tank 41 of the back set board 40 are mainly configured. Hereinafter, the back set board opening and holding mechanism 80 will be described with reference to FIGS. 20 is a perspective view of the back set board opening / holding mechanism 80 as viewed obliquely from the rear, and FIG. 21 is a side view showing the engagement process of the back set board opening / holding mechanism.
[0106]
The locking member 81 has a screw portion that is driven into the receiving cutout portion 13c of the right frame plate 13, a disc-shaped flange portion 81b, and an engagement shaft portion 81c formed between the screw portion and the flange portion 81b. In general, it is formed as a flat head or truss head wood screw, and is formed by turning or rolling a metal wire. A pilot hole for introducing the screw portion 81a is formed in advance at a predetermined position of the receiving notch portion 13c to which the locking member 81 is attached.
[0107]
The locking member 81 is screwed into the prepared hole by an automatic driving machine that chucks and rotates the flange portion 81b, and the engagement shaft portion 81c is interposed between the seat surface of the flange portion 81b and the surface of the receiving notch portion 13c. Is fixed at a driving height with a constant interval (for example, an interval of about 2 to 3 times the plate thickness of the locked member 82). In addition, you may comprise so that it may drive manually by providing tool engaging parts, such as a hexagon hole and a cross slot, in the flange part 81b.
[0108]
The locked member 82 includes a flat plate-like base portion 82a having a screw insertion hole, a hook plate portion 82b that protrudes backward by bending a part of the right edge of the base portion 82a, and a lower portion of the hook plate portion 82b. An engaging groove 82c formed by opening the guide plate 82b, a guide edge surface 82d formed in a downward slope between the rear end portion of the hook plate portion 82b and the engaging groove 82c, and the upper portion of the base portion 82a is the ball storage tank 41. The holding side portion 82f that is folded back in a U-shape according to the shape of the wall surface and extends parallel to the base portion, and the lower portion of the holding side portion 82f are bent to match the bottom surface of the ball storage tank 41, and the tank rear wall reinforcing function and tank It is composed of a ground side portion 82g having a grounding function for a game ball stored therein, and is formed by punching and bending a stainless steel plate having a thickness of about 1.5 mm, for example. The locked member 82 is connected to a required ground terminal by a ground wire not shown in detail.
[0109]
A cylindrical screw boss 41a that is aligned with the left and right screw insertion holes drilled in the base portion 82a is integrally formed at a predetermined position on the rear wall surface of the ball storage tank 41. The locked member 82 is fitted so as to hold the rear wall surface of the ball storage tank 41 and the left and right screw bosses 41a between the base portion 82a and the holding side portion 82f, and the ground side portion 82g is brought into close contact with the bottom surface of the tank. The screw 89 is fixed to the rear wall surface of the ball storage tank 41 by screwing and fastening the screw 89 to the screw boss 41a from the left and right screw insertion holes.
[0110]
Note that, in the relationship between the engagement shaft portion 81c and the locking groove 82c, the groove width of the locking groove 82c is set to be the same as or slightly larger than the shaft diameter of the engagement shaft portion 81c, and the upper end position of the locking groove 82c. When the upper end of the locking groove 82c is engaged with the engagement shaft portion 81c, the height of the engagement shaft portion 81c is determined by the back set plate opening / holding mechanism 80 and the back set plate hinge mechanism 60. The back set board 40 is set so as to be horizontally supported.
[0111]
The cutout portion 13c formed in the right frame plate 13 is partially cutout in accordance with the height position where the hook plate portion 82b of the locked member 82 enters, and the flange portion 81b protrudes inside the outer frame. It is supposed not to. Further, the hook plate portion 82b has a tip that matches the relative inclination angle of the tank rear wall surface with respect to the outer frame 10 when the rear wall surface of the tank member 41 is brought into contact with the front surface of the right frame plate 13 as shown in FIG. When the back set board 40 is opened and the hook plate portion 82b enters the inside of the outer frame 10, the tip end portion of the hook plate is parallel to the notch portion 13c (engaging shaft portion). 81c (perpendicular to 81c).
[0112]
For this reason, when the back set board 40 is swung in the direction of the outer frame, the tip of the hook plate enters between the notch 13c and the flange 81b along the inner wall surface of the notch 13c. As shown to (a), the downward guide edge surface 82d of a hook plate part contact | abuts to the outer peripheral surface of the engaging shaft part 81c. Therefore, when the back set board 40 is pressed in the direction of the outer frame, the guide edge surface 82d engages and slides so as to ride on the engagement shaft portion 81c, and the right frame side of the back set board 40 is moved slightly upward. Move inside the outer frame. Then, when the end portion of the guide edge surface 82d exceeds the upper end of the engagement shaft portion 81c, the groove surface of the locking groove 82c is engaged with the engagement shaft portion 81c and the back set board 40 is drawn. By swinging, the engaging shaft portion 81c and the upper end portion of the locking groove 82c are engaged and engaged.
[0113]
When the locking member 81 and the locked member 82 are engaged with each other in this manner, the back set board 40 is locked in the front-rear direction by the engagement between the engagement shaft portion 81c and the locking groove 82c, and the hook plate The portion 82b is sandwiched between the flange portion 81b and the cutout portion 13c and is locked in the left-right direction. As a result, the movement of the back set board 40 is restricted in both the front and rear and left and right directions, and the swing of the back set board itself is restricted, as well as the back set board opening and holding mechanism 80, the back set board hinge mechanism 60, and the front frame. The swinging of the front frame 20 is also restricted by the three connection fulcrums of the hinge mechanism 3, and the back set panel 40 and the front frame 20 are both locked and held in the open posture shown in FIG. Therefore, the maintenance work on the rear side of the game board 30 described above can be performed in a stable posture in which the front frame 20, the game board 30, and the back set board 40 do not swing.
[0114]
When closing the back set board 40, the right side portion of the back set board 40 is slightly lifted to move the locked member 82 upward, and the meshing engagement between the locking groove 82c and the engaging shaft portion 81c is released. The back set board 40 may be pulled out toward you. Thus, in the back set board opening and holding mechanism 80, the back set board 40 can be semi-automatically opened and held by pressing the back set board 40 in the direction of the outer frame 10, and the back set board in the open posture is also provided. The open holding state can be released by gently lifting 40 and pulling it forward. Accordingly, the back set board 40 can be held open by a simple operation, and maintenance and detachment work on the rear surface of the game board is performed in a stable open posture in which the front frame 20, the game board 30, and the back set board 40 do not swing. be able to.
[0115]
In the above, as an example of the configuration of the engaging member on the outer frame side and the locked member on the back set panel side that can be engaged with each other in the vertical direction, the engaging shaft portion 81c is provided on the engaging member 81 on the outer frame 10 side. An example is shown in which the locking groove 82c is provided in the locked member 82 on the back set board 40 side, and the locking groove 82c moves and engages and engages with the engagement shaft portion 81c. The arrangement positional relationship between the groove portion and the groove portion may be reversed. Further, the upper and lower meshing forms may be reversed in the vertical direction. For example, the member to be locked is depressed and engaged with the lower side of the locking member by utilizing the elasticity of the hinge bracket or the bending of the back set board. It may be a form.
[0116]
【The invention's effect】
As described above, according to the present invention, the front frame assembled to the outer frame for fixing and holding through the front frame hinge mechanism so as to be able to be opened and closed laterally forward, and the housing frame provided on the front frame are provided with the front frame. A game board that is housed and held from the rear, and a back set board that is assembled to the front frame so that it can be opened laterally and opened rearward through a back set board hinge mechanism provided on the same side edge side as the front frame hinge mechanism. In a gaming machine, the game board is accommodated so that it can be opened and closed laterally and attached to the rear of the accommodation frame by a game board hinge mechanism provided on the other edge side opposite to the front frame and the back set board hinge mechanism in the game board. In addition, the game board and the back set board have engaging means that can be engaged and disengaged in a game board open state in which the front frame and the back set board are opened and the game board is opened to the rear of the front frame. Provided, engaging means in the game board open state By engaged, the game board support mechanism is configured such game board is held in the open position which is opened to the rear of the front frame.
[0117]
Therefore, in a state where the front frame is opened to the front of the outer frame and the back set board is opened to the rear of the front frame, the game board hinge mechanism is positioned on the front end side of the opened front frame so that it can be easily viewed and engaged / disengaged. Arranged. For this reason, in the mounting operation for accommodating the game board in the accommodation frame, the accommodation frame side hinge fitting and the game board side hinge fitting can be easily aligned and engaged, and after the hinge engagement, the rear surface of the game board The game board can be easily accommodated in the accommodation frame by pressing forward to close the swing.
[0118]
Further, in the support mechanism of this configuration, the game board and the back set board are provided with engagement means that can be engaged and disengaged with each other, and the game board is opened to the rear of the front frame by engaging the engagement means. It is held in an open posture. In this game board open posture, the game board is supported by connecting the open end side of the front frame and the open end side of the back set board, and the rear side of the game board is disposed in a front open state. For this reason, the maintenance work can be easily performed on the entire rear side of the game board, and further, the maintenance work can be performed in an easy work posture by using the chair for the player of the adjacent gaming machine. Therefore, according to the present invention, it is possible to provide a game board support mechanism that improves the workability when the game board is attached and detached, the workability of maintenance work on the rear side of the game board, and the like.
[Brief description of the drawings]
FIG. 1 is a front view of a pachinko machine shown as an example of a gaming machine to which the present invention is applied.
FIG. 2 is a rear view of the pachinko machine.
FIG. 3 is a rear view of the pachinko machine with the outer frame removed and the back set board opened.
FIG. 4 is a plan view of the pachinko machine in a state where the back set board is held open by the game board opening holding mechanism.
FIG. 5 is a rear view of the back set board hinge mechanism in a state where the back set board is opened.
FIG. 6 is a perspective view of the game board hinge mechanism shown with the game board removed from the storage frame.
FIG. 7 is a rear view of the game board hinge mechanism in a state where the game board is housed in the housing frame.
FIG. 8 is a side sectional view mainly showing an engagement state between a hinge pin and a hinge groove in an upper hinge mechanism.
FIG. 9 is a plan view mainly showing an operation when the game board side hinge fitting is engaged with and disengaged from the housing frame side hinge fitting.
FIG. 10 is a perspective view of the vicinity of the attachment portion of the opening assisting member.
FIG. 11 is a plan sectional view showing the action of the opening assisting member when opening and closing the game board.
FIG. 12 is a plan view showing a state in which the game board is held open by the game board release holding mechanism of the first embodiment.
FIG. 13 is an exploded perspective view showing the main part of the game board opening and holding mechanism of the first embodiment.
14 is an arrow view seen from the direction of arrow XIV in FIG.
15 is a view seen from the direction of arrow XV in FIG.
FIG. 16 is a plan view (partial cross-sectional view) showing the operation of the game board opening / holding mechanism of the first embodiment;
FIG. 17 is a plan view showing a state in which the game board is held open by the game board release holding mechanism of the second embodiment.
18 is a view seen from the direction of arrow XVIII in FIG.
FIG. 19 is a drawing (as viewed from the direction of arrow XIV in FIG. 12) showing a state where the game board is opened and held by the game board opening and holding mechanism of the third embodiment.
FIG. 20 is a perspective view of the back set board opening and holding mechanism as viewed obliquely from the rear.
FIG. 21 is a side view showing an engagement process of the back set board opening and holding mechanism;
[Explanation of symbols]
PA game area
PI Yugijima
PM Pachinko machine
3 (3U, 3L) Front frame hinge mechanism
4 Locking device
5 Glass door
6 Upper ball dish
7 Lower ball dish
8 Launch handle
9 game ball launcher
10 Outer frame
11 Upper frame plate
12 Left frame plate
13 Right frame plate (13c receiving notch)
14 Lower frame plate
20 Front frame
21 storage frame
(21a fixed support portion, 21b first side receiving portion, 21e cutout portion)
23,23 'closure clamp
(23a clamp lever, 23b spindle, 23c coil spring, 23d cap nut)
25 Lock lever
30 game board
31 decorative panel
32 bracket housing (32a fixed housing, 32b plate housing)
34 prizes
35 Image display device
37 Out mouth
38,38 'flank
40 Back set board
41 ball storage tank (41a screw boss)
42 Tank rail
44 Ball dispenser
45 ball payout passage
46 Played ball discharge passage
47 Right frame
48 Engagement shaft mounting part
(48a slide guide, 48b spindle, 48c slit groove, 48d slide restricting piece)
49 engagement bracket (49a support arm, 49b rear support wall)
50 (50U, 50L) game board hinge mechanism
51 Housing frame side hinge bracket
(51a fixed flange part, 51b hinge plate part, 51c hinge pin, 51d positioning pin hole)
52 Game board side hinge bracket
(52a fixed flange, 52b hinge plate, 52c hinge groove, 52r flank)
53b Screw boss
53d Positioning protrusion
55 Opening auxiliary member
(55a fixed part, 55b first side part, 55c arch part, 55d second side part, 55e biasing piece part)
57 Sarah machine screw
58 screws
59 screws
60 (60U, 60L) Back set panel hinge mechanism
61 Front frame side hinge bracket
(61a fixing flange, 61b hinge plate, 61c hinge pin, 61d positioning pin hole)
62 Back set panel side hinge bracket
(62a fixed flange, 62b hinge plate)
63d Positioning protrusion
64a Positioning rib
64b screw boss
68 Sarah machine screw
70 Game board opening and holding mechanism (first embodiment)
71 engaging shaft
(71b shaft part, 71c regulating pin, 71d operation lever part, 71e game board engaging part)
72 Bracket
(72a fixed side part, 72b support leg part, 72c hook plate part, 72d opening part, 72e engagement receiving part)
80 Back set board opening holding mechanism
81 Locking member
(81b flange part, 81c engagement shaft part)
82 Locked member
(82a base part, 82b hook plate part, 82c locking groove, 82d guide edge surface, 82f clamping side part, 82g ground side part)
89 screws
148 Arm mounting part (148b Screw boss)
170 Back set board opening holding mechanism (second embodiment)
171 Engagement lever
(171a arm part, 171c hook part, 171m knob part)
172 Bracket
(172a fixed plate part, 172c hook receiving part)
173 Support bracket
178 screw
179 screw
248 Spring accommodating part (248b Spring locking part)
270 Back set board opening holding mechanism (third embodiment)
271 Locking spring
(271a coil part, 271b hook part, 271c hook part)
272 Bracket (272c Spring latching part)

Claims (1)

固定保持用の外枠と、前記外枠に互いの一側縁側に設けられた前枠ヒンジ機構を介して前方に横開き開閉可能に組み付けられた開閉搭載用の前枠と、前面に遊技領域を有し前記前枠に設けられた収容枠に前記前枠の後方から収容保持される遊技盤と、前記前枠ヒンジ機構と同じ前記一側縁側に設けられた裏セット盤ヒンジ機構を介して前記前枠に後方に横開き開閉可能に組み付けられる裏セット盤とを備えた遊技機において、
前記遊技盤は、前記前枠および前記遊技盤における前記一側縁側と反対側の他側縁側に設けられた遊技盤ヒンジ機構により、前記収容枠の後方に横開き開閉および着脱が可能に収容され、
前記遊技盤および前記裏セット盤には、前記前枠が前記外枠の前方に開放され前記裏セット盤が前記前枠の後方に開放されさらに前記遊技盤が前記前枠の後方に開放された遊技盤開放状態において相互に係脱可能な係合手段を備え、
前記遊技盤開放状態で前記係合手段を係合させることにより、前記遊技盤が前記前枠の後方に開放された開放姿勢に保持されるように構成したことを特徴とする遊技盤の支持機構。An outer frame for fixing and holding, a front frame for opening and closing mounted so as to be able to open and close laterally forward through a front frame hinge mechanism provided on one side edge of each other on the outer frame, and a game area on the front And a game board that is accommodated and held from behind the front frame in a storage frame provided on the front frame, and a back set board hinge mechanism provided on the same side edge side as the front frame hinge mechanism. In a gaming machine comprising a back set board assembled to the front frame so that it can be opened and closed laterally rearward,
The game board is accommodated so that it can be laterally opened and closed and attached / removed behind the accommodation frame by a game board hinge mechanism provided on the front frame and the other edge side opposite to the one edge side of the game board. ,
In the game board and the back set board, the front frame is opened to the front of the outer frame, the back set board is opened to the rear of the front frame, and the game board is opened to the rear of the front frame. It has engagement means that can be engaged and disengaged with each other when the game board is open,
A game board support mechanism, wherein the game board is held in an open posture opened to the rear of the front frame by engaging the engagement means in the game board open state. .
JP2003165051A 2003-06-10 2003-06-10 Game board support mechanism Expired - Fee Related JP4349845B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003165051A JP4349845B2 (en) 2003-06-10 2003-06-10 Game board support mechanism

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008104647A (en) * 2006-10-25 2008-05-08 Takeya Co Ltd Game machine
JP2013034644A (en) * 2011-08-08 2013-02-21 Sophia Co Ltd Game machine
JP2014050635A (en) * 2012-09-10 2014-03-20 Sanyo Product Co Ltd Game machine
JP2017051813A (en) * 2016-12-21 2017-03-16 株式会社三洋物産 Game machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008104647A (en) * 2006-10-25 2008-05-08 Takeya Co Ltd Game machine
JP2013034644A (en) * 2011-08-08 2013-02-21 Sophia Co Ltd Game machine
JP2014050635A (en) * 2012-09-10 2014-03-20 Sanyo Product Co Ltd Game machine
JP2017051813A (en) * 2016-12-21 2017-03-16 株式会社三洋物産 Game machine

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