JP2003230734A - Game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a game machine capable of properly preventing illegal behavior. <P>SOLUTION: The game machine is provided with a key detector, an engagement detector for detecting the engaged state of hooks 13 and 13 and engaging projecting pieces 12 and 12 with each other, and an opening and closing detector 22 for detecting the opening and closing state of a game machine main body 2. Furthermore, the game machine is provided with an illegal opening preventing means which disconnects the power source of the game machine 1 when the key detector does not detect key operation when the engagement detector and the opening and closing detector detect opening of the game machine main body 2. Thus, when the game machine main body 2 is opened illegally, continuing of a game by the game machine 1 is made to be impossible for properly preventing the illegal behavior. Even when a stuff of a game saloon finds the scene of the illegal behavior, he/she does no have to caution about it immediately and can perform operation for repairing, etc., the game machine 1 after confirming safety. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gaming machine such as a pachinko gaming machine or a slot machine in which a gaming machine main body is attached to an outer frame so that the gaming machine main body can be opened and closed. The present invention relates to a gaming machine.

[0002]

2. Description of the Related Art As a gaming machine such as a pachinko gaming machine or a slot machine, a gaming machine main body having a gaming board is rotatably mounted on an outer frame with one side edge thereof pivotably mounted on the outer frame side. The gaming machine main body is closed by engaging the hook that is operated by the locking device provided on the gaming machine main body with the locking projection formed on the inner surface of the part, and the hook is released by the key operation of the locking device. It is generally configured to be openable. Such a gaming machine is designed to open in the front direction so that a control device or the like arranged on the back side of the gaming machine can be handled. Thus, a regular operator or the like can operate the locking device to open the gaming machine to perform maintenance or adjustment of the gaming machine.

By the way, the hook for closing the gaming machine main body in the outer frame in this way is constituted so as to be biased by a spring or the like in the direction of engaging with the locking projection of the outer frame, and is in the closed state. Then, the hook is engaged with the locking projection with sufficient force by the bias. Then, in order to open the gaming machine main body, it is necessary to release the engagement with the locking projection piece by operating the hook in the direction opposite to the engagement direction by the key operation of the locking device. Here, by pushing the released gaming machine main body into the outer frame, the hook is engaged with the locking projection to be in the closed state, and the locking device is configured to interlock with the hook only when opened. ing. Therefore, by directly moving the hook in the opposite direction to the engaging direction, it is possible to open the gaming machine main body from the outer frame without operating the key of the locking device.

By the way, in such a pachinko gaming machine or a gaming machine such as a slot machine,
In recent years, an increasing number of people have illegally opened the gaming machine main body and modified the control device provided on the back surface to perform malicious malicious acts such as obtaining a large amount of game balls or medals. here,
In many cases, opening of the gaming machine main body is illegally performed by directly moving the hook without operating the key of the locking device. Even if an attendant at the game arcade finds and pays attention to such a situation in which the gaming machine main body is open, it may cause a trouble. In particular, when conducting such illegal acts collectively, there is a risk of danger, which is a big problem. The present invention is intended to solve such a problem, and an object of the present invention is to provide a gaming machine capable of preventing an illegal act by a staff member of a game hall without danger.

[0004]

SUMMARY OF THE INVENTION The present invention resides in a gaming machine capable of opening and closing the gaming machine body as described above, including a key detecting device for detecting a key operation of a locking device, the hook and a locking projection piece. An engagement detection device that detects the engagement state of the game machine, and an opening / closing detection device that detects the opening / closing state of the gaming machine body and the outer frame are provided, and the engagement detection device and the opening / closing detection device open the gaming machine body. If the key detection device does not detect a key operation,
The game machine is provided with an unauthorized opening preventing means for cutting off the power supply (claim 1).

In such a configuration, when the hook is released and the gaming machine main body is opened without properly performing the key operation of the locking device, the key detection device does not detect the key operation and the engagement is performed. The detection device detects the release of the hook, and the open / close detection device detects the opening of the main body of the gaming machine, thereby determining that the opening is illegal and controlling the power of the gaming machine to be turned off. As a result, if the game machine main body is illegally opened, it becomes impossible to continue the game on the game machine, so even if the game control circuit etc. is tampered with, illegal profit will be given. Since it does not happen, it is possible to prevent the game hall from suffering a loss due to an illegal act. Therefore, it also leads to the prevention of fraud. In addition, the staff at the game hall are
It is not necessary to immediately pay attention even if the site of the misconduct is discovered, and it is possible to perform work such as repairing the game machine after confirming the safety.

[0006] Since such unauthorized opening preventing means cuts off the electric power supplied to the gaming machine in response to the above-mentioned detecting devices and signals from the detecting devices, it is provided to the control circuit for controlling and executing the game. Because it does not directly affect,
There is also an advantage that it can be installed in a game machine relatively easily.

The above locking device is provided with a turning key piece that is turned by a key operation, and the key detection device is a detection target provided on the turning key piece, and the turning key piece is a hook. There is proposed a device (claim 2) configured with a detection switch for detecting the detected element at a release position for releasing. Here, the locking device rotates the rotating key piece by a key operation,
The hook is operated to release the engagement state between the hook and the locking projection. The key detecting device is configured to detect and actuate the detection switch provided on the rotary key piece at the position where the rotary key piece releases the engagement. With such a configuration, the key detection device can detect that the key operation has been correctly performed by the locking device, and therefore can appropriately and quickly determine the case where the hook is released without performing the key operation. Is possible. As a detection switch of such a key detection device, by using a micro switch that detects an ON-OFF state by the operation of a movable arm, or a sensor switch of a magnetic sensor or an optical sensor, etc. It may be possible to detect the child properly. Further, it is possible to prevent the unauthorized operation of the locking device by using a locking device having a configuration for detecting a regular key.

It is proposed that the above-mentioned engagement detecting device comprises a detection switch for detecting the hook at a position where the hook engages with the locking projection (claim 3). here,
The closed state of the gaming machine main body and the outer frame is held by the engagement of the hook and the locking projection. Therefore, with this configuration, it is possible to detect that the hook and the locking projection are properly engaged, and thus it is possible to accurately determine whether or not the gaming machine main body is in the closed state. As a detection switch of such an engagement detection device, by using a micro switch that detects an ON-OFF state by the operation of a movable arm, or a sensor switch of a magnetic sensor or an optical sensor, the hook is appropriately positioned at the engagement position. It is possible to detect.

Further, even in the opening / closing detection device, the main body of the gaming machine is provided by using a micro switch for detecting an ON / OFF state by the operation of the movable arm or a detection switch such as a sensor switch of a magnetic sensor or an optical sensor. It may be possible to properly detect the open / closed state between the second frame and the outer frame. With such a key detection device, engagement detection device, and opening / closing detection device, the open / closed state of the gaming machine body and the outer frame can be correctly recognized, and when the gaming machine body is opened, it can be opened normally. It is possible to appropriately and promptly determine whether there is an unauthorized release.

The unauthorized opening prevention means includes an emergency disconnection switch capable of disconnecting the main power supply for supplying power to the gaming machine. When the gaming machine main body is unauthorizedly opened, the emergency disconnection switch is activated. Then, a configuration (claim 4) in which the power supply to the gaming machine is cut off is proposed. By providing such an emergency disconnection switch, it is possible to quickly stop all the operation of the gaming machine in the case of unauthorized opening, so that it is possible that subsequent unauthorized work will affect the gaming machine. It can be surely prevented. This gives, for example,
In the case where the game machine main body is illegally opened and the control program of the control device is tampered with, etc. Even if the illegal work that cannot be completely eliminated by just treating the controlled program is stopped, the power supply to the gaming machine is stopped, so this illegal program is stored and retained in the control device. Can be properly prevented.

The unauthorized opening preventing means includes a power recovery device for recovering the power-off state to the gaming machine, and when the main power source is cut off, the engagement detecting device and the opening / closing detecting device are the main body of the gaming machine. A configuration (claim 5) is proposed in which the power supply to the gaming machine is restored by operating the power restoration device in a state where the closing is detected. By providing such a power supply recovery device, even if the game machine main body is illegally opened and the power supply is cut off, the power supply can be easily recovered after the illegal work is processed. Further, since it is necessary to operate the power recovery device with the gaming machine main body closed, it is possible to prevent an unauthorized person from recovering the power and giving an unauthorized profit. In the case where the emergency disconnection switch is provided, the gaming machine disconnected by the emergency disconnection switch and the main power source may be connected. That is,
This emergency disconnection switch can also be used as one having a function as a power recovery switch.

It is proposed that the power recovery device is a button switch arranged on the back surface of the main body of the gaming machine (claim 6). As a result, it is possible to prevent the power from being cut off due to a fraudulent activity from being recovered from the front of the gaming machine, so that the game cannot be continued and fraudulent profits are given. In the pachinko gaming machine having such a configuration, in order to restore power, for example, after closing the gaming machine main body in the outer frame, open the pachinko gaming machine on the back side of the pachinko gaming machine, and press the button. You have to press the switch.

Alternatively, it is also proposed that the power recovery device is a key switch operated by a specific key (claim 7). As a result, the gaming machine whose power is cut off by a fraudulent act can be restored only by operating the key switch with the regular key, and thus it is possible to prevent the game from being continued and fraudulent profits being given. Such a key switch may be provided as the above locking device, or may be provided separately from the locking device.

Alternatively, a configuration is also proposed in which the power recovery device is connected to the game machine, installed in another place, and managed (claim 8). Due to this, in order to recover the power cut by an illegal act, for example, since it is necessary to operate the power recovery device installed in the management room or the like, the power cannot be easily recovered and the game cannot be continued. Therefore, it is possible to prevent an unauthorized profit from being given.

A configuration is proposed in which the illegal opening preventing means does not restore the power supply even if the main switch of the game machine is operated in a power-off state to the game machine (claim 9). Here, the main switch is a switch that supplies power to a control circuit that controls and executes a game of the gaming machine. In such a configuration, it is a preferable mode that the unauthorized opening prevention means is provided between the control circuit and the main power supply. As a result, for example, even when the above-mentioned fraudulent acts are performed outside the business hours of the game hall, such as at midnight,
Next, since power is not supplied even if the main switch of the gaming machine is turned on, it is possible to appropriately prevent the fraudulent profit from being imparted by the fraudulent activity. Further, since the clerk at the game arcade can know the gaming machine on which the illegal work has been performed, there is also an advantage that such illegal work can be safely processed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment according to the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view of the pachinko gaming machine 1, in which the gaming machine body 2 is attached to a rectangular outer frame 10, and the gaming machine body 2 is attached to the outer frame 10 by a hinge. It can be opened and closed to facilitate maintenance and management of each device on the back of the gaming machine body 2. Further, a game board 5 is arranged in the game window hole of the front frame 3 of the game machine body 2, and a ball receiving tray 6, a firing handle 7 and the like are provided in the lower portion of the front frame 3.

FIG. 2 is a rear view of the pachinko gaming machine 1, on the back of the gaming machine main body 2, a game control device 25 for controlling and executing a game, and a game ball according to the turning operation of the firing handle 7. A launching device 26 for launching and a storage tank 27 for temporarily storing game balls are provided. Here, the game control device 25 includes a power supply device (not shown) provided with a resistor or the like for controlling the power supplied from the main power supply (power supply source) to the pachinko gaming machine 1. In addition, on the inner peripheral surface of the side portion of the outer frame 10 that opens and closes the gaming machine main body 2, locking projections 12, 12 are provided in two upper and lower positions. Further, hooks 13 and 13 for engaging with the locking projections 12 and 12 are provided in the gaming machine body 2.

Here, the hook 13 (see FIG. 3) is
By hooking the hook-shaped engaging projection 32 on the engaging edge 31 of the engaging projection 12, the engaging projection 12 is engaged. The hook 13 is supported by the support point 33 at the engaging projection 32, and at the action point 34 deviated from the support point 33, the hook 17 is actuated simultaneously with the other hook 13 so that the coupling rod 17 is actuated. Supported by. When the coupling rod 17 moves downward by a key operation of the locking device 14 described later, the action point 34 tilts downward with the support point 33 as a fulcrum, and the engaging projection 32 of the hook 13 moves upward. Move to. As a result, the hook 13 is released from the locking projection 12. Further, the coupling rod 17 is moved upward by the spring (the hooks 13, 13 and the locking projections 12, 1.
2), the hooks 13 and 13 are engaged with the locking projections 12 and 12 with sufficient force, and the engaged state is maintained. Furthermore, when closing the open game machine main body 2 to the outer frame 10, when the hooks 13, 13 are pushed by the locking projections 12, 12, along the inclined outer edge of the engaging projection 32. Hook 13, 13
Moves in the upward direction, and then the engaging protrusion 32 is hooked on the locking edge 31 to be in the engaged state.

Further, the hooks 13, 13 and the locking projection 1
A locking device 14 (see FIG. 4) for releasing the engagement state with 2, 12 is provided in the gaming machine main body 2. This locking device 1
4 is a rotary shaft 35 that interlocks with a rotary operation of a predetermined key inserted from the front of the gaming machine, and has a rotary key piece 15 and a detected element 16.
And are connected. Then, the rotary key piece 15 rotates downward (to the right when viewed from the rear side) in conjunction with the key operation of the locking device 14, so that the linkage opening 36 of the coupling rod 17 is formed.
The lower edge portion 37 is pushed down to move the coupling rod 17 downward. By the downward movement of the coupling rod 17, the engaging protrusions 31 of the hooks 13 and 13 move, and the engaging protrusions 12,
The engagement state with 12 is released, and the gaming machine main body 2 is provided with the outer frame 10
Can be opened from. In addition, the detected element 16 is rotated in conjunction with the key operation of the locking device 14, so that the detected element 1
6 turns on a key detection switch 21 described later.

The locking projections 12 and 12, which engage with the hooks 13 and 13, the locking device 14, and the outer frame 10 are provided with the detection devices according to the main part of the present invention. . The configurations of these detection devices will be described with reference to FIGS. As shown in FIG. 3, it is turned on by the operation of the movable arm.
An engagement detection switch 20 including a micro switch for detecting the OFF state is provided on the locking projection 12 so that the movable arm is on the upper side. In the engagement detecting switch 20, the hook tip of the engaging protrusion 32 of the hook 13 is
In the engaged state, the movable arm is pushed to the position where the switch is turned on as shown in FIG. As a result, the ON signal of the engagement detection switch 20 changes to the hook 1
3 and the engagement projection 12 are shown in an engaged state. When the engaging projection 32 moves upward and the hook 13 is released, the movable arm is opened and the switch is turned off as shown in FIG. In this way, the engagement detection switch 20 sends an ON signal to the tampering prevention control board 30 (see FIG. 6) described later when the gaming machine main body 2 is in the closed state with the outer frame 10, and thus the gaming machine. When the main body 2 is opened, the signal is stopped.

Further, as shown in FIG. 4, the locking device 14 is provided with a key detecting switch 21 which is a micro switch for detecting an ON / OFF state by operating a movable arm. When the key is not operated, the key detection switch 21 is in a switch OFF state with the movable arm opened as shown in FIG. Further, when the key is properly rotated, the rotating key piece 15 and the detection target 16 rotate in conjunction with the rotation of the rotating shaft 35. Then, as shown in FIG. 4B, the rotary key piece 15 pushes down the coupling rod 17 to release the engaged state between the hooks 13 and 13 and the locking projections 12 and 12. The child 16 pushes the movable arm of the key detection switch 21 to turn it on. Thus, when the compound rod 17 is pushed down and the hook 13 is released by the key operation of the locking device 14, the key detection switch 21 transmits an ON signal to the tampering prevention control board 30 (see FIG. 6) described later. .

Further, as shown in FIG. 5, an open / close detection switch 22 for detecting the open / closed state of the game machine main body and the outer frame is provided at the upper position of the outer frame 10. This open / close detection switch 2
Reference numeral 2 is a micro switch that detects an ON-OFF state by operating the movable arm. And the gaming machine body 2
In the closed state, the movable arm is pushed and the switch is turned on as shown in FIG. Further, when the gaming machine body 2 is opened, the switch is turned off as shown in FIG. In this way, the opening / closing detection switch 22 sends an ON signal to the tampering prevention control board 30 (see FIG. 6) described later when the gaming machine body 2 is in the closed state with the outer frame 10, and the gaming machine body 2 When the signal is released, the signal stops.

Furthermore, a power recovery switch 23 for recovering the power off is provided at the lower part of the rear surface of the gaming machine (see FIG. 2). The power recovery switch 23 is a button switch, and when it is pushed under a predetermined condition,
The ON signal is transmitted to the fraud prevention control board 30 described later, and the power is restored.

Further, a fraud prevention control board 30 is provided for controlling the above-mentioned detection devices and the power recovery switch 23, and for controlling the main power to be cut off when the gaming machine main body 2 is prevented from being illegally opened. There is. As shown in FIG. 6, the fraud prevention control board 30 is connected to the engagement detection switch 20, the key detection switch 21, the opening / closing detection switch 22, and the power recovery switch 23, respectively. Further, a central control device CPU and a storage device are arranged on the fraud prevention control board 30, and signals from the above-mentioned switches cause
The open / closed state of the gaming machine main body 2 is confirmed, and the presence / absence of unauthorized opening is determined. Further, this fraud prevention control board 30 is connected to an emergency disconnection switch 40 arranged between the power supply device provided in the game control device 25 of the pachinko gaming machine 1 and the main power supply, and the pachinko gaming machine 1 It is possible to control the connection and disconnection of the power source. And
When the gaming machine body 2 is illegally opened, the engagement detection switch 20, the key detection switch 21, the open / close detection switch 2
From the signal from 2, the central control unit CPU judges the unauthorized opening, and activates the emergency disconnection control switch 40 to disconnect the connection with the main power source. In addition, after the unauthorized opening, appropriate processing is performed and the power recovery switch 23
When an ON signal is transmitted from the, the fraud prevention board 30 activates the emergency disconnection switch 40 to connect to the main power source to restore the power supply to the pachinko gaming machine 1. In this way, the fraud prevention control board 30, the engagement detection switch 20,
The key detection switch 21, the open / close detection switch 22, the power supply recovery switch 23, and the emergency disconnection switch 40 form an unauthorized opening prevention unit.

Next, the illegal opening preventing means will be described according to the opening / closing operation of the gaming machine main body 2. In the normal state, the gaming machine main body 2 is in a closed state with the outer frame 10, and the engagement detection switch 20 and the open / close detection switch 22 are both switch O.
In the N state, each ON signal is transmitted to the fraud prevention control board 30. The key detection switch 21 is a switch OF.
It is in the F state. Here, when an attendant of the game arcade properly operates the key of the locking device 14, the rotating key piece 1 is interlocked with the key operation.
5 and the detected element 16 rotate. By the rotation of the detected element 16, the key detection switch 21 is turned on,
An ON signal is transmitted to the fraud prevention control board 30.
In synchronism, the rotary key piece 15 moves the coupling rod 17 downward. By the movement of the coupling rod 17, the hook 1
The engaging projections 32 of 3 and 13 move upward, and the locking projection 1
The engagement with 2, 12 is released. As a result, the engagement detection switch 20 is turned off, and the ON signal to the fraud prevention control board 30 is stopped. When the gaming machine body 2 is released from the outer frame 10, the open / close detection switch 2
2 becomes a switch OFF state, and the fraud prevention control board 30
ON signal to is stopped. In this case, as shown in FIG. 7A, the fraud prevention control board 30 has the key detection switch 21.
Is received and it is confirmed that the ON signals of the engagement detection switch 20 and the opening / closing detection switch 22 are stopped,
It is determined that the opening of the gaming machine main body 2 is normal, and the power supply to the pachinko gaming machine 1 is continued.

On the other hand, when the gaming machine main body 2 is illegally opened without the key operation of the locking device 14, the hooks 13, 13 are released from the locking projections 12, 12, The engagement protrusions 32 of the hooks 13, 13 are separated from the engagement detection switch 20, and the ON signal stops. Then, the gaming machine main body 2 is released from the outer frame 10, and the open / close detection switch 22 stops the ON signal. However, since the key operation is not performed, the detected element 16 does not turn on the key detection switch 21 and remains in the switch off state. In this case, as shown in FIG. 7B, the engagement detection switch 20 is operated without the ON signal from the key detection switch 21.
By stopping the ON signal from the open / close detection switch 22, the fraud prevention control board 30 determines that the opening of the gaming machine main body 2 is fraudulent, and activates the emergency disconnecting switch 40 to notify the pachinko gaming machine 1. Forcibly disconnect the power supply. After that, for example, a ROM (commonly called a back ROM) programmed so that a large amount of prize balls are paid out is attached to the game control device 25 on the back surface of the gaming machine main body 2, and the gaming machine main body 2 is again placed on the outer frame 10. Even if it is closed, the power supply will not be restored, thus preventing fraudulent profits from being given.

In this way, when the gaming machine main body 2 is illegally opened and the power supply to the gaming machine is cut off, in order to restore the connection with the main power source, the gaming machine main body 2 is closed. Then, the power recovery switch 23 provided on the back surface of the pachinko gaming machine 1 is operated. That is, in the state where the fraud prevention control board 30 stops the ON signal of the key detection switch 21 and receives the ON signals from the engagement detection switch 20 and the opening / closing detection switch 22, the power recovery switch 2
When receiving the ON signal from 3, the emergency disconnection switch 4
0 again connects the pachinko gaming machine 1 to the main power source.
Specifically, in the pachinko game arcade, after the pachinko game machine 1 whose power has been cut off due to fraud is appropriately processed so that the staff at the game arcade can operate normally, the game machine body 2 is closed. And Then, the game machine main body of another pachinko game machine installed on the back side of the pachinko game machine 1 is opened and the power recovery switch 23 is operated. In this way, the power supply of the pachinko gaming machine 1 is restored.

Further, such a fraud prevention control board 30
Is disposed between the pachinko gaming machine 1 and the main power source, so that the power cut due to fraud is not recovered even by the operation of the main switch of the pachinko gaming machine 1. Therefore, for example, even when the pachinko gaming machine 1 is illegally opened and the pachinko gaming machine 1 is illegally opened outside the business hours such as midnight to make the game control device 25 or the like, the pachinko gaming machine is then operated. Even if the main switch of No. 1 is turned on, no electric power is supplied. Therefore, since it can be determined that some kind of fraudulent activity has been performed on the pachinko gaming machine 1 that is not activated by the main switch, appropriate processing is performed on the pachinko gaming machine 1 without giving an unfair profit, and it is normal. Can recover to the state.

In this way, the fraud prevention control board 30 judges whether the gaming machine main body 2 is legally opened or illegally opened, based on the signals from the respective detection devices, and in the case of illegal opening. Since the power supply to the game machine is cut off by the emergency disconnection switch 40, even if the game machine main body 2 is illegally opened and the game control device 25 is tampered with, illegal profit is given. Can be prevented. In addition, even if a staff member of the game arcade discovers a site performing a fraudulent act, it is not necessary to immediately pay attention, and proper processing can be performed after the surrounding safety is sufficiently ensured.

In the above-described embodiment, the button switch provided on the back surface of the gaming machine body 2 is used as the power recovery switch 23, but a key-type reset switch may be used instead. The key-type reset switch may be incorporated in the locking device 14. Further, the power recovery switch 23 may not be individually arranged in each pachinko gaming machine 1, but may be installed in, for example, a management room or the like so that all the pachinko gaming machines 1 in the game hall can be centrally managed.

Further, since it is conceivable that the locking device 14 is illegally operated to rotate the rotating key piece 16 to open / close the gaming machine main body 2, the locking device 14 recognizes a proper key operation. It is also possible to separately provide such a key sensor. In this way, if the fraud prevention control board 30 recognizes a normal key operation, the effect of illegally detecting the opening of the gaming machine main body 2 is further improved.

The present invention is not limited to the above embodiments, but can be implemented in various forms without departing from the spirit of the present invention. Further, the present invention is applicable not only to the pachinko gaming machine 1 but also to gaming machines such as slot machines.

[0033]

As described above, according to the present invention, the key detecting device for detecting the key operation of the locking device, the engagement detecting device for detecting the engagement state between the hook and the locking projection, and the gaming machine body. And an open / close detection device for detecting the open / closed state of the outer frame, and when the engagement detection device and the open / close detection device detect opening of the gaming machine main body, if the key detection device does not detect a key operation, Since the game machine is provided with the unauthorized opening preventing means (Claim 1), if the gaming machine body is illegally opened, it becomes impossible to continue the game on the gaming machine. , Can properly prevent fraud. In addition, the staff at the amusement arcade do not need to pay attention immediately if they discover the site of the misconduct,
After confirming safety, it is possible to perform work such as repairing the game machine.

The above locking device is provided with a turning key piece which is turned by a key operation, and the key detection device is a detection target provided on the turning key piece and the turning key piece is a hook. In the case of the detection switch for detecting the detection target at the release position for release (claim 2), it is possible to detect that the key operation is correctly performed by the locking device. Further, in the above-mentioned engagement detection device which is configured by a detection switch for detecting the hook at a position where the hook engages with the locking projection (claim 3), the gaming machine main body is in a closed state. Can be accurately determined. With such detection devices, it is possible to correctly recognize the open / closed state of the gaming machine body and the outer frame, and when the gaming machine body is opened,
It is possible to appropriately and promptly determine whether it is a legitimate release or an unauthorized release.

The unauthorized opening preventing means includes an emergency disconnecting switch capable of disconnecting the main power source for supplying power to the gaming machine, and when the gaming machine main body is illegally opened, the emergency disconnecting switch is activated. Then, in the configuration for cutting off the power supply to the gaming machine (claim 4), by providing such an emergency disconnection switch, it is possible to promptly open in case of unauthorized opening. It is possible to stop all the operations of the gaming machine, and it is possible to surely prevent the illegal manipulation after that from affecting the gaming machine.

Such unauthorized opening preventing means includes a power recovery device for recovering the power-off state of the game machine, and when the power is cut off, the engagement detection device and the opening / closing detection device are the main body of the game machine. In the configuration in which the power supply to the gaming machine is restored by operating the power recovery device in the state that the closing is detected (Claim 5), if the power is cut off due to fraud, Since the person who has performed the action cannot easily restore the power supply, it is possible to prevent an unauthorized profit from being given.

In such a structure that the power recovery device is a button switch arranged on the back surface of the gaming machine main body (claim 6), the power is cut off from the front of the gaming machine by fraudulent activity. Since it is not possible to recover the game, it is possible to prevent the game from being continued and to give an illegal profit.

Further, in the case where the power restoration device is a key switch operated by a specific key (claim 7), the power can be restored only by operating the key switch with a regular key. Since it is not possible, the game cannot be continued, and it is possible to prevent an unauthorized profit from being given.

Further, in the structure in which the power recovery device is connected to the game machine and installed and managed in another place (claim 8), the power recovery device is arranged in a different place from the game machine. The power cannot be restored without operating a certain power restoration device, so that the game cannot be continued and it is possible to prevent an unauthorized profit from being given.

In such a configuration in which the illegal opening preventing means does not restore the power supply even if the main switch of the gaming machine is operated in the power-off state to the gaming machine (claim 9), Since power off due to fraudulent activity cannot be recovered by the main switch, power is supplied even if the fraudulent activity is performed outside the business hours of the game hall, such as at midnight, even if the main switch of the gaming machine is next turned on. Because it is not
Appropriate prevention of giving unjust profits. In addition, a staff member at the game arcade can easily know the game machine that has been tampered with.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko gaming machine 1.

FIG. 2 is a rear view of the pachinko gaming machine 1.

FIG. 3 is an explanatory diagram showing an operation of an engagement detection switch 20.

FIG. 4 is an explanatory diagram showing an operation of the key detection switch 21.

FIG. 5 is an explanatory diagram showing an operation of the open / close detection switch 22.

FIG. 6 is a block diagram showing a fraud prevention control circuit.

FIG. 7 is an explanatory diagram showing a control mode of fraud prevention.

[Explanation of symbols]

2 gaming machine body 10 outer frame 12 Locking protrusion 13 hooks 14 Locking device 15 Rotating key piece 16 Detected child 20 Engagement detection switch 21 key detection switch 22 Open / close detection switch 23 Power recovery switch 30 Anti-fraud control board 40 Emergency disconnection switch

Claims (9)

[Claims] 1. A game machine main body having a game board is pivotably supported at one side edge thereof to be openably and closably arranged on an outer frame, and a locking projection is provided on a side inner surface of the outer frame. A gaming machine in which a gaming machine body is closed by engaging a hook that is operated by a locking device provided in the gaming machine body, and the hook can be released by key operation of the locking device, A key detection device that detects a key operation of the device, an engagement detection device that detects an engagement state of the hook and the locking projection, and an open / close detection device that detects an open / closed state of the gaming machine body and an outer frame. When the engagement detection device and the opening / closing detection device detect the opening of the gaming machine main body, if the key detection device does not detect the key operation, the power of the gaming machine is cut off. A gaming machine comprising means. 2. A locking device comprising a turning key piece which is turned by a key operation, wherein the key detection device is a detection target provided on the turning key piece, and the turning key piece is a hook. The gaming machine according to claim 1, wherein the gaming machine is configured with a detection switch that detects the detected element at a release position for releasing. 3. The gaming machine according to claim 1, wherein the engagement detecting device comprises a detection switch for detecting the hook at a position where the hook engages with the locking projection. 4. The unauthorized opening prevention means comprises an emergency disconnection switch capable of disconnecting the main power supply for supplying power to the gaming machine, and when the gaming machine main body is illegally opened, the emergency disconnection switch is activated. The game machine according to any one of claims 1 to 3, wherein power supply to the game machine is cut off. 5. The unauthorized opening preventing means includes a power recovery device for recovering the power-off state of the gaming machine, and when the main power source is cut off, the engagement detecting device and the opening / closing detecting device are of the gaming machine main body. The gaming machine according to any one of claims 1 to 4, wherein the power supply to the gaming machine is restored by operating the power recovery device in a state where the closing is detected. 6. The gaming machine according to claim 5, wherein the power recovery device is a button switch provided on the back surface of the gaming machine body. 7. The gaming machine according to claim 5, wherein the power recovery device is a key switch operated by a specific key. 8. The gaming machine according to claim 5, wherein the power recovery device is connected to the gaming machine, installed in another place, and managed. 9. The illegal opening preventing means prevents power supply from being restored even if a main switch of the gaming machine is operated in a power-off state of the gaming machine.
A gaming machine according to claim 8.