JP5175621B2 - Lock device for front frame in gaming machine - Google Patents

Lock device for front frame in gaming machine Download PDF

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JP5175621B2
JP5175621B2 JP2008141902A JP2008141902A JP5175621B2 JP 5175621 B2 JP5175621 B2 JP 5175621B2 JP 2008141902 A JP2008141902 A JP 2008141902A JP 2008141902 A JP2008141902 A JP 2008141902A JP 5175621 B2 JP5175621 B2 JP 5175621B2
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front frame
pin
gaming machine
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locking device
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吉康 中山
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Kyoraku Industrial Co Ltd
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本発明は、遊技ホールの閉店時において、パチンコ機等の遊技機の前面枠を不正に開放することを防止する前面枠のロック装置に関する。   The present invention relates to a front frame locking device that prevents unauthorized opening of a front frame of a gaming machine such as a pachinko machine when the game hall is closed.

遊技機の１つであるパチンコ機は、外枠の前面の一側部に前面枠（内枠）を開閉自在に設け、前面枠の正面側にガラス板保持枠、上皿枠、発射ハンドルを備えた下皿枠を取り付け、前面枠の裏面側に遊技盤、球タンク、入賞球処理装置、景品球賞球払出装置やこれらを制御する電子回路装置、各種電気部品等を取り付け、錠本体に挿入されるキー操作により前面枠やガラス板保持枠を開閉作動させる施錠装置を備えた構成とされている。
なお、パチンコ機には、ガラス板保持枠、上皿枠及び下皿枠を前面枠に夫々取り付ける構成でなく、それらを前面枠に一体状に設けて前面枠のみを外枠に対して開閉する形式もある。 A pachinko machine, which is one of the gaming machines, is provided with a front frame (inner frame) that can be opened and closed on one side of the front surface of the outer frame, and a glass plate holding frame, upper dish frame, and launch handle on the front side of the front frame. Attach the lower tray frame provided, and attach the game board, ball tank, winning ball processing device, prize ball winning device, electronic circuit device that controls these, various electrical components, etc. to the back side of the front frame, and the lock body It is configured to include a locking device that opens and closes the front frame and the glass plate holding frame by operating the inserted key.
The pachinko machine is not configured to attach the glass plate holding frame, the upper plate frame, and the lower plate frame to the front frame, but is provided integrally with the front frame to open and close only the front frame with respect to the outer frame. There is also a format.

施錠装置としては、例えば特許文献１に示すように、前面枠の裏面の一端に縦長の鍵杆を取り付け、前面枠を外枠に対して閉鎖位置に固定する第１の施錠機構と、ガラス板保持枠を前面枠に対して閉鎖位置に固定する第２の施錠機構を備え、鍵杆に固定された錠本体に挿入されるキー操作によりそれらの施錠状態から開錠を行なう構造とされている。   As a locking device, for example, as shown in Patent Document 1, a first lock mechanism that attaches a vertically long key rod to one end of the back surface of the front frame and fixes the front frame in a closed position with respect to the outer frame, and a glass plate A second locking mechanism for fixing the holding frame to the front frame in the closed position is provided, and the structure is such that the lock is unlocked from the locked state by a key operation inserted into the lock body fixed to the keypad. .

上記施錠装置には、不正に施錠機構部分を操作して前面枠を開放しようとしても開錠することができないような構造とされている。ところが、不正にキーを使用するとか、故意に特殊な道具で開錠して前面枠を開放し、前面枠の裏側に装着されている電子制御ユニットの遊技制御プログラムに関連するロムを大当たり確率の高いものと取り替えてしまう等のゴト行為と称される不正行為がなされることがある。   The locking device has a structure that cannot be unlocked even if the front frame is opened by operating the locking mechanism portion illegally. However, if the key is used illegally or the front frame is opened by deliberately unlocking it with a special tool, the ROM related to the game control program of the electronic control unit mounted on the back side of the front frame will have a jackpot probability. There is a case in which a fraudulent act called gotoing such as replacement with a high one is performed.

遊技ホールの営業中には、従業員の見回りがなされるために前記不正行為がなされることは稀であるが、閉店時の従業員等の不在時には、不心得な侵入者により不正行為がなされることを防止することは難しい。
特開平１１−３４７２２５号公報 While the game hall is open, it is rare that the above-mentioned fraudulent act is done because the employees are watched over, but when the employee is absent at the time of closing the store, the fraudulent act is done by an unscrupulous intruder. It is difficult to prevent that.
Japanese Patent Laid-Open No. 11-347225

本発明の目的は、遊技機及び遊技機島の非稼動時に前面枠の開放による不正行為を防止するのに有効な遊技機における前面枠のロック装置を提供することにある。   An object of the present invention is to provide a locking device for a front frame in a gaming machine that is effective in preventing illegal acts due to opening of the front frame when the gaming machine and the gaming machine island are not in operation.

前記目的を達成するために請求項１に記載した発明は、縦長の矩形状に形成された外枠の前面の一側部に前面枠を開閉自在に設け、その前面枠を開閉作動させる施錠装置を備えた遊技機において、
形状記憶合金製コイルバネとバイアスコイルバネを互いに押し合うようにピンに装着し、その形状記憶合金製コイルバネの温度変化により該ピンが進退自在に設けられたバイアス式アクチュエータを前記外枠の内方又は前面枠の裏面側に取り付け、前記ピンに係合可能な係止部材を前記前面枠の裏面側又は外枠の内方に設け、遊技機及び遊技機島の稼動による雰囲気温度の上昇により、前記アクチュエータのピンが後退して同ピンと前記係止部材との係合状態が解除されることにより前記施錠装置のキー操作による前面枠の開放作動を可能とし、遊技機及び遊技機島の非稼動による雰囲気温度の低下により、前記アクチュエータのピンが前進して前記係止部材に係合することにより前面枠の閉鎖状態を保持することを特徴とする。 In order to achieve the above object, the invention described in claim 1 is a locking device in which a front frame is provided on one side of a front surface of an outer frame formed in a vertically long rectangular shape so that the front frame can be opened and closed, and the front frame is opened and closed. In a gaming machine equipped with
A shape type memory alloy coil spring and a bias coil spring are attached to a pin so as to press each other, and a bias type actuator in which the pin can be moved forward and backward by a temperature change of the shape memory alloy coil spring is provided on the inner side or front side of the outer frame. A locking member that is attached to the back side of the frame and engageable with the pin is provided on the back side of the front frame or inward of the outer frame, and the actuator is activated by an increase in ambient temperature due to operation of the gaming machine and the gaming machine island. When the pin is retracted and the engagement state between the pin and the locking member is released, the front frame can be opened by key operation of the locking device, and the atmosphere due to the non-operation of the gaming machine and the gaming machine island is enabled. The pin of the actuator moves forward and engages with the locking member due to a decrease in temperature, thereby maintaining the closed state of the front frame.

同様の目的を達成するために請求項２に記載した発明は、請求項１に記載の遊技機における前面枠のロック装置において、前記雰囲気温度が４０〜６０℃の状態において、前記アクチュエータの形状記憶合金製コイルバネの伸張作用により前記ピンが後退移動して同ピンと前記係止部材との係合状態が解除されるように設けたことを特徴とするものである。   In order to achieve the same object, the invention described in claim 2 is a lock device for a front frame in a gaming machine according to claim 1, in which the memory of the shape of the actuator is stored when the ambient temperature is 40 to 60 ° C. The pin is provided so that the pin is moved backward by the extension action of the alloy coil spring and the engagement state between the pin and the locking member is released.

同様の目的を達成するために請求項３に記載した発明は、請求項１又は２に記載の遊技機における前面枠のロック装置において、前記係止部材に形成された係合穴又は鉤片に、前記ピンの先端部を係合自在に設けたことを特徴とするものである。   In order to achieve the same object, the invention described in claim 3 is the locking device for the front frame in the gaming machine according to claim 1 or 2, wherein the engagement hole or the flange piece formed in the locking member is provided. The tip of the pin is provided so as to be freely engageable.

（請求項１の発明）
この遊技機における前面枠のロック装置は、遊技機及び遊技機島の稼動時にアクチュエータのピンと係止部材との係合状態が解除されて前面枠の開放作動を可能とし、遊技機及び遊技機島の非稼動時にアクチュエータのピンが係止部材に係合して前面枠の閉鎖状態を保持する構成としているので、遊技機及び遊技機島の非稼動時に前面枠の開放による不正行為の防止に有効である。そして、このロック装置は、一般的な遊技機に備えられる施錠装置のロック機能に加え、さらに安全性を高めた二重ロック機能としての役割を有する。 (Invention of Claim 1)
The locking device for the front frame in this gaming machine enables the opening operation of the front frame by releasing the engagement state between the pin of the actuator and the locking member during operation of the gaming machine and the gaming machine island. Since the actuator pin engages with the locking member to keep the front frame closed when the machine is not in operation, it is effective in preventing fraud due to the opening of the front frame when the game machine and the gaming machine island are not in operation. It is. This locking device has a role as a double locking function that further enhances safety in addition to the locking function of a locking device provided in a general gaming machine.

（請求項２の発明）
この遊技機における前面枠のロック装置は、遊技機及び遊技機島の稼動による雰囲気温度が４０〜６０℃の状態においてアクチュエータのピンと係止部材との係合状態が解除されるので、前面枠を開放して行なわれる遊技機の点検・保守作業を円滑に行なうことができる。 (Invention of Claim 2)
The locking device for the front frame in this gaming machine releases the engagement between the pin of the actuator and the locking member when the ambient temperature due to the operation of the gaming machine and the gaming machine island is 40 to 60 ° C. It is possible to smoothly perform inspection and maintenance work of gaming machines that are opened.

（請求項３の発明）
この遊技機における前面枠のロック装置は、アクチュエータのピンを係止部材の係合穴又は鉤片に係合させる構成により、前面枠の閉鎖状態を確実に保持することができる。 (Invention of Claim 3)
The front frame locking device in this gaming machine can reliably hold the closed state of the front frame by a configuration in which the pin of the actuator is engaged with the engagement hole or the hook piece of the locking member.

以下に、本発明の最良の形態例を図面に基づいて説明する。図１は本発明を適用したパチンコ機の正面図、図２は同、背面図、図３は外枠に対して前面枠を開放した状態を示す斜視図、図４は前面枠のロック装置の作用を説明する模式図であり、（イ）はアクチュエータのピンが係止部材に係合した状態、（ロ）はアクチュエータのピンと係止部材との係合状態が解除された状態である。   The best mode of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a pachinko machine to which the present invention is applied, FIG. 2 is a rear view thereof, FIG. 3 is a perspective view showing a state in which a front frame is opened with respect to an outer frame, and FIG. 4A and 4B are schematic diagrams for explaining the operation, in which FIG. 2A shows a state in which the actuator pin is engaged with the locking member, and FIG. 2B shows a state in which the engagement state between the actuator pin and the locking member is released.

図１に本発明に係る前面枠のロック装置４０を適用した遊技機としてのパチンコ機Ｐを示す。このパチンコ機Ｐは、縦長の矩形状に形成された木製の外枠１の前面の左側部に、金属製の前面枠（「内枠」とも称される）５をヒンジ金具３により軸支して開閉自在に取り付け、前面枠５を閉じた状態を後記施錠装置３０により保持（ロック）するように構成されている。   FIG. 1 shows a pachinko machine P as a gaming machine to which a front frame locking device 40 according to the present invention is applied. In this pachinko machine P, a metal front frame (also referred to as “inner frame”) 5 is pivotally supported by a hinge fitting 3 on the left side of the front surface of a wooden outer frame 1 formed in a vertically long rectangular shape. Thus, the state where the front frame 5 is closed is held (locked) by the locking device 30 described later.

上記ヒンジ金具３は、外枠１の左側上端部に固定される支持片３ａと、外枠１の内側の左下隅部に固定される支持片３ｂとからなる。図３に示すように、中央に大きな開口部６が形成された前面枠５の左上端部には、そのヒンジ金具３の支持片３ａに対応する可動片７ａを、前面枠５の左側下端部には、支持片３ｂに対応する可動片７ｂを夫々固定している。そして、可動片７ａに下向きに突設されたヒンジピン８を支持片３ａに穿設される軸孔（図示せず）に、可動片７ｂに穿設された軸孔９を支持片３ｂに上向きに突設されるヒンジピン（図示せず）に夫々遊嵌させることにより、前面枠５が外枠１に対して開閉及び着脱自在に設けられている。なお、このヒンジ構造については公知のものである。   The hinge fitting 3 includes a support piece 3 a that is fixed to the upper left end of the outer frame 1 and a support piece 3 b that is fixed to the lower left corner inside the outer frame 1. As shown in FIG. 3, a movable piece 7 a corresponding to the support piece 3 a of the hinge bracket 3 is provided at the left upper end portion of the front frame 5 having a large opening 6 formed at the center, and the left lower end portion of the front frame 5. The movable pieces 7b corresponding to the support pieces 3b are fixed respectively. Then, a hinge pin 8 projecting downward on the movable piece 7a is provided in a shaft hole (not shown) formed in the support piece 3a, and a shaft hole 9 provided in the movable piece 7b is provided upward on the support piece 3b. The front frame 5 is provided so as to be openable / closable and detachable with respect to the outer frame 1 by being loosely fitted to projecting hinge pins (not shown). This hinge structure is known.

図１に示すように、前面枠５の前面側５ａの左下方には、上下方向に適宜間隔を置いて水平に突設された３個の固定片１１ａ〜１１ｃにより縦向きに固定されるヒンジ軸１２を設けている。そのヒンジ軸１２の上端部１２ａは、上方に位置する固定片１１ａから少し突出するように設けられている。１３は前面枠５の可動片７ａの直下方に固定される支持部材、１４はその支持部材１３に下向きに突設されたヒンジピンである。   As shown in FIG. 1, at the lower left of the front side 5a of the front frame 5, there is a hinge fixed vertically by three fixing pieces 11a to 11c that are horizontally provided with an appropriate interval in the vertical direction. A shaft 12 is provided. The upper end portion 12a of the hinge shaft 12 is provided so as to slightly protrude from the fixed piece 11a positioned above. Reference numeral 13 denotes a support member fixed immediately below the movable piece 7 a of the front frame 5, and reference numeral 14 denotes a hinge pin protruding downward from the support member 13.

前面枠５の前面側５ａには、ヒンジピン１４とヒンジ軸１２の上端部１２ａとによりガラス板保持枠１５を、ヒンジ軸１２の上部に上皿枠１６を、ヒンジ軸１２の下部にパチンコ球の発射ハンドル１８を備えた下皿枠１７を夫々支持させるように設けられ、それらが開閉可能に取り付けられている。また、前面枠５の裏面側５ｂには、公知の遊技盤２１、球タンク２２、液晶表示装置２３、景品球払い出し装置２４やこれらを制御する電子回路装置２５、電気部品２６等が集約的に取り付けられる。   On the front side 5 a of the front frame 5, a glass plate holding frame 15 is formed by a hinge pin 14 and an upper end portion 12 a of the hinge shaft 12, an upper plate frame 16 is formed on the upper portion of the hinge shaft 12, and pachinko balls are formed on the lower portion of the hinge shaft 12. The lower tray frame 17 provided with the firing handle 18 is provided so as to be supported, and is attached so as to be openable and closable. Also, on the back side 5b of the front frame 5, a known game board 21, a ball tank 22, a liquid crystal display device 23, a premium ball payout device 24, an electronic circuit device 25 for controlling these, an electrical component 26, and the like are intensively collected. It is attached.

施錠装置３０については、背景技術の項で述べた公知の施錠装置と同様の構造とされている。即ち、施錠装置３０は、図２に示すように、前面枠５の裏面の左端に縦長の鍵杆３２を取り付け、前面枠５を外枠１に対して閉鎖位置に固定する第１の施錠機構３１ａと、ガラス板保持枠１５を前面枠５に対して閉鎖位置に固定する第２の施錠機構３１ｂを備え、キーの差込み孔が前面枠５の正面側に露出するように鍵杆３２に固定された錠本体３３に挿入されるキー操作によりそれらの施錠状態から開錠を行なうという構造である。具体的には、この施錠装置３０では、図示しないキーを時計方向に回すと前面枠５が開放し、反時計方向に回すとガラス板保持枠１５が開放するようにされている。   The locking device 30 has the same structure as the known locking device described in the background art section. That is, as shown in FIG. 2, the locking device 30 has a first locking mechanism that attaches a vertically long key rod 32 to the left end of the back surface of the front frame 5 and fixes the front frame 5 to the outer frame 1 in a closed position. 31a and a second locking mechanism 31b for fixing the glass plate holding frame 15 to the closed position with respect to the front frame 5, and fixed to the key pad 32 so that the key insertion hole is exposed to the front side of the front frame 5. In this structure, unlocking is performed from the locked state by a key operation inserted into the lock body 33. Specifically, in this locking device 30, the front frame 5 is opened when a key (not shown) is turned clockwise, and the glass plate holding frame 15 is opened when the key is turned counterclockwise.

前面枠のロック装置４０は、図２に示すように、バイアス式アクチュエータ４１を外枠１の内方の左下部に取り付け、そのアクチュエータ４１のピン４５に係合可能な係止部材５１を前面枠５の裏面５ｂに取り付けている。   As shown in FIG. 2, the front frame locking device 40 has a bias type actuator 41 attached to the inner left lower portion of the outer frame 1, and a locking member 51 that can be engaged with a pin 45 of the actuator 41. 5 is attached to the rear surface 5b.

なお、この前面枠のロック装置４０は、パチンコ機及び遊技機島の稼動時に発生する熱によって上昇する雰囲気温度によりロック部分の解除動作が行なわれることから、なるべく熱の発生しやすい球タンク２２の周辺や電源基板の周辺に配置することが好ましい。また、この実施形態では、バイアス式アクチュエータ４１を外枠１の内方の左下部に、係止部材５１を前面枠５の裏面５ｂに取り付けているところ、バイアス式アクチュエータ４１を前面枠５の裏面５ｂに、係止部材５１を外枠１の内方に取り付ける構成とすることも可能である。   In addition, the locking device 40 of the front frame is operated to release the lock portion by the ambient temperature rising due to the heat generated during operation of the pachinko machine and the gaming machine island. It is preferable to arrange it at the periphery or around the power supply substrate. In this embodiment, the bias actuator 41 is attached to the lower left part inside the outer frame 1, and the locking member 51 is attached to the rear surface 5 b of the front frame 5. It is also possible to adopt a configuration in which the locking member 51 is attached to the inner side of the outer frame 1 in 5b.

バイアス式アクチュエータ４１は、図４に示すように、中間位置にリング４６が固定されたピン４５を本体４２に形成した一対の穴４３に縦向きに遊嵌し、かつ、形状記憶合金製コイルバネ４７をリング４６の下部に、通常のバネ用材料で製作されたバイアスコイルバネ４８をリング４６の上部に夫々配置し、それらのバネ４７，４８が互いに押し合うようにピン４５に装着されている。   As shown in FIG. 4, the bias actuator 41 is loosely fitted vertically in a pair of holes 43 formed in the main body 42 with a pin 45 having a ring 46 fixed at an intermediate position, and a coil spring 47 made of a shape memory alloy. A bias coil spring 48 made of a normal spring material is disposed at the lower part of the ring 46, and is mounted on the pin 45 so that the springs 47 and 48 are pressed against each other.

因みに、「バイアス法」（バイアス式）とは、一方向形状記憶効果を示す形状記憶合金に、加熱時ばかりでなく冷却時にも形状変化するように、コイルばね、板ばねなどを用いて外部応力を負荷して、二方向動作を繰り返し行なわせる方法（ＪＩＳ工業用語大辞典第４版、１９５５年１１月日本規格協会発行）。ただし、この明細書においては、アクチュエータとの熟語とする関係で「バイアス式」と表した。   By the way, the “bias method” (bias type) is an external stress that uses a coil spring, leaf spring, etc. so that the shape memory alloy showing a one-way shape memory effect changes shape not only during heating but also during cooling To repeat the bi-directional motion (JIS Industrial Glossary 4th Edition, November 1955, published by the Japanese Standards Association). However, in this specification, the term “bias type” is used in relation to the term “actuator”.

上記形状記憶合金製コイルバネ４７は、４０〜６０℃に加熱されたときに伸張して約４００〜６６０ｇの弾発力を生じ、他方、常温では柔らかくなって縮小可能となる特性を有する。しかして、温度変化に伴い弾発力が変化する形状記憶合金製コイルバネ４７と、通常のバイアスコイルバネ４８との拮抗作用によりピン４５を進退自在に設けたバイアス式アクチュエータ４１が構成される。   The shape memory alloy coil spring 47 is stretched when heated to 40 to 60 ° C. to generate a resilience of about 400 to 660 g. On the other hand, the shape memory alloy coil spring 47 is soft and can be reduced at room temperature. Thus, the bias actuator 41 is configured in which the pin 45 is provided so as to be able to advance and retract by the antagonistic action of the shape memory alloy coil spring 47 whose elastic force changes with temperature change and the normal bias coil spring 48.

係止部材５１は、図３に示すように、前面枠５の裏面５ｂにリベット又はビスにより固定される取付け部５１ａから後方に水平方向に延びる平坦部５１ｂに係合穴５２が設けられている。この係合穴５２は、前記バイアス式アクチュエータ４１のピン４５の先端部４５ａを挿入可能な大きさに形成されている。なお、その係合穴５２に代わる鉤片（図示せず）を係止部材５１の平坦部５１ｂに設け、その鉤片をピン４５に係合させる構成とすることもできる。   As shown in FIG. 3, the locking member 51 is provided with an engagement hole 52 in a flat portion 51 b extending in the horizontal direction rearward from an attachment portion 51 a fixed to the back surface 5 b of the front frame 5 by rivets or screws. . The engagement hole 52 is formed in a size that allows the tip 45a of the pin 45 of the bias actuator 41 to be inserted. A hook piece (not shown) in place of the engagement hole 52 may be provided on the flat portion 51 b of the locking member 51, and the hook piece may be engaged with the pin 45.

これにより、パチンコ機及び遊技機島の稼動による雰囲気温度の上昇により、アクチュエータ４１のピン４５が後退して同ピンと係止部材５１との係合状態が解除されることにより施錠装置３０のキー操作による前面枠５の開放作動を可能とし、パチンコ機及び遊技機島の非稼動による雰囲気温度の低下により、ピン４５が前進して係止部材５１の係合穴５２に係合することにより前面枠５の閉鎖状態を保持する本発明にかかる前面枠のロック装置４０が構成される。   Thereby, the key 45 of the locking device 30 is operated when the pin 45 of the actuator 41 is retracted due to the increase in the ambient temperature due to the operation of the pachinko machine and the gaming machine island and the engagement state between the pin and the locking member 51 is released. The front frame 5 can be opened by the pin 45 and the front frame 5 is engaged with the engagement hole 52 of the locking member 51 due to a decrease in the ambient temperature due to non-operation of the pachinko machine and the gaming machine island. Thus, the front frame locking device 40 according to the present invention is maintained.

つぎに、本発明にかかる前面枠のロック装置４０の作用について説明する。
（１）パチンコ機及び遊技機島の稼動時（遊技ホールの営業中）
多数のパチンコ機を両面に配置した遊技機島内の雰囲気温度が、稼動時にパチンコ機等から発生する熱により４０〜６０℃に上昇すると、図４（ロ）に示すように、バイアス式アクチュエータ４１の形状記憶合金製コイルバネ４７が伸張してバイアスコイルバネ４８を圧縮する。これにより、ピン４５が上昇（後退）して係止部材５１の係合穴５２から脱出するので、同ピン４５と係止部材５１との係合状態は解除される。そして、施錠装置３０のキー操作による前面枠５の開放作動が可能となる。
（２）パチンコ機及び遊技機島の非稼動時（遊技ホールの閉店中）
パチンコ機及び遊技機島の電源がオフとされて遊技機島内の雰囲気温度が常温に低下すると、図４（イ）に示すように、バイアスコイルバネ４８が伸張して形状記憶合金製コイルバネ４７を圧縮する。これにより、ピン４５が下降（前進）して係止部材５１の係合穴５２に係合するので、前面枠５は閉鎖状態に確実に保持される。しかして、仮にパチンコ機に付属の施錠装置３０の施錠を何らかの操作によって解除したとしても、本発明にかかる前面枠のロック装置４０により前面枠５の閉鎖状態がロックされているため、前面枠５の開放を防止することができる。 Next, the operation of the front frame locking device 40 according to the present invention will be described.
(1) When the pachinko machine and game machine island are in operation (the game hall is open)
When the atmospheric temperature in the gaming machine island where a large number of pachinko machines are arranged on both sides rises to 40 to 60 ° C. due to heat generated from the pachinko machines during operation, as shown in FIG. The shape memory alloy coil spring 47 extends to compress the bias coil spring 48. As a result, the pin 45 rises (retreats) and escapes from the engagement hole 52 of the locking member 51, so that the engagement state between the pin 45 and the locking member 51 is released. Then, the front frame 5 can be opened by operating the keys of the locking device 30.
(2) When pachinko machines and gaming machine islands are not in operation (the game hall is closed)
When the power of the pachinko machine and the gaming machine island is turned off and the atmospheric temperature in the gaming machine island decreases to room temperature, the bias coil spring 48 expands and compresses the shape memory alloy coil spring 47 as shown in FIG. To do. Thereby, the pin 45 descends (advances) and engages with the engagement hole 52 of the locking member 51, so that the front frame 5 is reliably held in the closed state. Even if the locking of the locking device 30 attached to the pachinko machine is released by some operation, the front frame 5 is locked in the closed state by the front frame locking device 40 according to the present invention. Can be prevented.

以上に述べた通り、このパチンコ機における前面枠のロック装置は、パチンコ機及び遊技機島の稼動時に前面枠の開放作動を可能とし、パチンコ機及び遊技機島の非稼動時に前面枠の閉鎖状態を保持する構成としているので、遊技ホールの閉店中に発生する前面枠の開放による不正行為の防止に有効である。   As described above, the front frame locking device in this pachinko machine allows the front frame to be opened when the pachinko machine and the gaming machine island are in operation, and the front frame is closed when the pachinko machine and the gaming machine island are not in operation. Is effective in preventing fraudulent acts caused by opening the front frame that occurs while the game hall is closed.

本発明を適用したパチンコ機の正面図Front view of a pachinko machine to which the present invention is applied 同、背面図Same as above, rear view 外枠に対して前面枠を開放した状態を示す斜視図The perspective view which shows the state which open | released the front frame with respect to the outer frame 前面枠のロック装置の作用を説明する模式図であり、（イ）はアクチュエータのピンが係止部材に係合した状態、（ロ）はアクチュエータのピンと係止部材との係合状態が解除された状態It is a schematic diagram explaining the action of the locking device of the front frame, (A) is a state where the pin of the actuator is engaged with the locking member, (B) is a state where the engagement state between the pin of the actuator and the locking member is released State

符号の説明Explanation of symbols

Ｐ・・・パチンコ機
１・・・外枠
５・・・前面枠
３０・・・施錠装置
４０・・・前面枠のロック装置
４１・・・バイアス式アクチュエータ
４５・・・ピン
４７・・・形状記憶合金製コイルバネ
４８・・・バイアスコイルバネ
５１・・・係止部材
５２・・・係合穴 P ... Pachinko machine 1 ... Outer frame 5 ... Front frame 30 ... Locking device 40 ... Front frame locking device 41 ... Bias actuator 45 ... Pin 47 ... Shape Memory alloy coil spring 48 ... Bias coil spring 51 ... Locking member 52 ... Engagement hole

Claims (3)

縦長の矩形状に形成された外枠の前面の一側部に前面枠を開閉自在に設け、その前面枠を開閉作動させる施錠装置を備えた遊技機において、
形状記憶合金製コイルバネとバイアスコイルバネを互いに押し合うようにピンに装着し、その形状記憶合金製コイルバネの温度変化により該ピンが進退自在に設けられたバイアス式アクチュエータを前記外枠の内方又は前面枠の裏面側に取り付け、前記ピンに係合可能な係止部材を前記前面枠の裏面側又は外枠の内方に設け、遊技機及び遊技機島の稼動による雰囲気温度の上昇により、前記アクチュエータのピンが後退して同ピンと前記係止部材との係合状態が解除されることにより前記施錠装置のキー操作による前面枠の開放作動を可能とし、遊技機及び遊技機島の非稼動による雰囲気温度の低下により、前記アクチュエータのピンが前進して前記係止部材に係合することにより前面枠の閉鎖状態を保持することを特徴とする遊技機における前面枠のロック装置。 In a gaming machine equipped with a locking device for opening and closing the front frame on one side of the front surface of the outer frame formed in a vertically long rectangular shape, and opening and closing the front frame,
A shape type memory alloy coil spring and a bias coil spring are attached to a pin so as to press each other, and a bias type actuator in which the pin can be moved forward and backward by a temperature change of the shape memory alloy coil spring is provided on the inner side or front side of the outer frame. A locking member that is attached to the back side of the frame and engageable with the pin is provided on the back side of the front frame or inward of the outer frame, and the actuator is activated by an increase in ambient temperature due to operation of the gaming machine and the gaming machine island. When the pin is retracted and the engagement state between the pin and the locking member is released, the front frame can be opened by key operation of the locking device, and the atmosphere due to the non-operation of the gaming machine and the gaming machine island is enabled. In a gaming machine, the pin of the actuator moves forward and engages with the locking member due to a decrease in temperature to maintain the closed state of the front frame. Locking device of the front frame. 前記雰囲気温度が４０〜６０℃の状態において、前記アクチュエータの形状記憶合金製コイルバネの伸張作用により前記ピンが後退移動して同ピンと前記係止部材との係合状態が解除されるように設けたことを特徴とする請求項１に記載の遊技機における前面枠のロック装置。   In the state where the ambient temperature is 40 to 60 ° C., the pin is moved backward by the extension action of the shape memory alloy coil spring of the actuator so that the engagement state between the pin and the locking member is released. The front frame locking device in the gaming machine according to claim 1. 前記係止部材に形成された係合穴又は鉤片に、前記ピンの先端部を係合自在に設けたことを特徴とする請求項１又は２に記載の遊技機における前面枠のロック装置。   3. The front frame locking device in a gaming machine according to claim 1, wherein a front end portion of the pin is provided in an engagement hole or a hook piece formed in the locking member so as to be freely engageable.
JP2008141902A 2008-05-30 2008-05-30 Lock device for front frame in gaming machine Expired - Fee Related JP5175621B2 (en)

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