JP3237825B2 - Gaming machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a board for covering a game control main board including an electronic device for controlling a game machine represented by a pachinko game machine, a coin game machine, a slot machine or the like. Containment related.

[0002]

BACKGROUND ART In game control main board containment body of this type, the one that has been known in general, for example, game control main board including electronic devices such as a microcomputer for controlling the game machine Is made of a material such as metal, for example.

[0003]

On the other hand, there are cases where a gaming machine installed in a game arcade breaks down and does not operate normally or at all. In such a case, a game control menu including an electronic device for controlling the game machine is provided.
The in- board may have failed. However, since the game control main board is conventionally covered with a board container made of an opaque material such as metal, the game control main board cannot be visually recognized from the outside with the naked eye. Even if a failure occurs in the game control main board that can be recognized, the failure cannot be easily found, and there is a disadvantage that it takes time to recover from the failure.

As another example of the cause of the malfunction of the gaming machine, there is a case where the electronic device included in the game control main board is illegally remodeled and the gaming machine is illegally operated. Even in such a case, even if traces of the tampering can be easily found with the naked eye by looking at the game control main board, conventionally, the game control main body accommodated in the board housing is conventionally used. Since the substrate cannot be seen with the naked eye, there is a disadvantage that it is difficult to easily detect such unauthorized modification.

[0005] That is, conventionally, causes the gaming machine abnormality is in abnormality of the game control main board, and so that the abnormality of the game control main board can be easily found by looking at the player control main board with the naked eye even it is such, substrate container covering the game control main board is opaque, because of the inability to visually recognize the game control main board from the outside, such game control Mei
When an abnormality occurs in the circuit board, the cause of the abnormality cannot be easily found.

[0006] The present invention has been made in view of the above situation, the game control menu
It is an object of the present invention to make it easy to find the cause of an abnormality when an abnormality of a gaming machine occurs due to an abnormality of an in- board.

[0007]

Means for Solving the Problems The present invention according to claim 1, and a game control main board electronics for controlling the gaming machine is provided, and the substrate container covering the the recreation control main board In the case of a gaming machine including, in the case of a game board forming a game area in which a ball is hit on the front surface, when the display state is changeable and the display result becomes a predetermined specific display mode A variable display device determined so as to be controllable to a specific game state advantageous to a player, wherein the board container is made of a synthetic resin that covers the entire game control main board in an externally visible manner. consists of a transparent cover of which, in the game control main board, along with a ground line is formed on the front and rear surfaces thereof,
The two ground lines are electrically connected at a plurality of locations.
And an electronic circuit for controlling the variable display device is provided.
A connector for electrically connecting to the sub board is provided , and the board container is fixed to the variable display device and the left side of the sub board and the game board when viewed from the back side of the gaming machine. Connected to the connector
That the wire, bridged at the rear surface of the game board, the gaming machine back
Right side of the variable display device and its sub-board as viewed from the surface side
At a distance from the side and on the mechanical plate,
The present invention is characterized in that a ball payout device capable of paying out large prize balls is provided.

[0008]

[0009]

[0010]

[0011]

SUMMARY OF] According to the present invention described in claim 1, game control menu
Housing covering the in-board, that consists of a transparent cover made of synthetic resin that covers the entire game control main board in a visible manner from the outside. For this reason, when an abnormality that can be detected by the naked eye occurs in the game control main board and an abnormality of the gaming machine occurs, the front and rear surfaces of the game control main board are externally connected to the game control main board via the transparent cover body. By viewing the entirety including the above, it is possible to easily find the cause of the abnormality of the gaming machine.

When the display result of the variable display device whose display state is changeable becomes a predetermined specific display mode, it is possible to control to a specific game state advantageous to the player. Then, the variable display device and the variable display device as viewed from the back side of the gaming machine.
The board container is fixed to the game board on the left side of the sub-board and the wiring connected to the connector is
It is erected on the back of the technical board . In addition, ground lines are formed on the front and back surfaces of the game control board,
Since the two ground lines are electrically connected at a plurality of locations, even if a discharge voltage due to static electricity flows into this ground line, the electrical connection is made.
The discharge voltage causes a voltage drop by repeatedly passing through the place and circulating between the front ground line and the back ground line many times. The game control main board includes:
A connector is provided for making an electrical connection to a sub-board on which an electronic circuit for controlling the variable display device is provided. When viewed from the back of the gaming machine, the variable display device and
And the right side of the sub-board and the mechanism
A ball payout device that can pay out prize balls along with a hit ball on a board
Are arranged.

[0013]

[0014]

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below.
I will tell. FIG. 3 is a perspective view showing a first embodiment of the present invention.
It is the whole front view of a cat game machine.

The surface of the gaming board 5 of the pachinko gaming machine 1 is a gaming area 3. When the pachinko ball hit into the game area 3 wins one of the start winning ports 7a, 7b, 7c, the variable display device 9 capable of variably displaying a plurality of types of identification information variably starts. The variable display device 9 is provided with a plurality of (three in the drawing) drums. Variable display is performed by rotating the drums with, for example, a stepping motor or the like, and variable by stopping the stepping motor. The display can be stopped.

The display result when the variable display device 9 is stopped is determined by a combination of predetermined identification information (for example, 77
In the case of 7), the variable prize ball device 11 is opened, and the first prize ball which is advantageous to the player who easily wins the pachinko ball is provided.
And a jackpot occurs. Whether or not to generate the jackpot state is determined by picking up the value of the random number counter, which is counted up by using the reset waiting time of the microcomputer at the time of the start winning, and based on the picked up value.

When the pachinko ball is won, a predetermined prize ball is paid out from the prize ball outlet 13 to the hitting ball supply plate 15.

FIG. 4 is an overall rear view showing the internal structure of the pachinko gaming machine having the first embodiment of the present invention. On the back side of the game board, a board case 17 accommodating a control main board on which an MPU, a RAM, a ROM, and the like are mounted is attached.

On the back side of the game board, a game control sub-board 21 and a relay terminal board 25 are mounted. An electronic circuit provided on the game control sub-board 21 controls the variable display device 9 (see FIG. 3). Relay terminal board 25
Relays an electrical connection between an electric device related to game control and a game control main board accommodated in the board case 17.

The game control main board accommodated in the board case 17 is provided with a connector 19, and the connector 19 is connected to the connector 23 of the game control sub-board 21 via a wiring 50. The connector 19 is connected to the connector 27 of the relay terminal board 25 via the wiring 50.

Reference numeral 29 denotes a power supply wiring, and reference numeral 33 denotes a connector. Reference numeral 31 denotes a speaker wiring, which is connected to a speaker 104 (see FIG. 3) which generates a sound effect at the time of a big hit or the like.

A mechanism plate 56 mainly made of synthetic resin is provided on the back surface, and a prize ball payout device 35 is attached to the mechanism plate 56. Pachinko balls are supplied to the prize ball payout device 35 via a prize ball storage tank 105 and a connection vat 106. When the pachinko balls win, the pachinko balls in the prize ball payout device 35 are paid out as a predetermined number of prize balls. It is. The pachinko balls discharged from the prize ball payout device 35 flow down a pachinko ball guide passage (not shown) near the substrate case 17 and attached to the back of the game board, and the prize ball exit 13 (FIG. 3). ), And is paid out to the hitting ball supply tray 15 (see FIG. 3).

Further, the above-mentioned starting winning openings 7a, 7b, 7
c (see FIG. 3) and the pachinko ball that has won the variable prize ball device 11 (see FIG. 3) are guided to a prize ball processing mechanism (not shown) for operating the prize ball payout device, and then the pachinko machine. Released outside. The pachinko balls that have become out balls are discharged out of the pachinko machine via an out ball guiding tub (not shown).

As explained above, a winning ball, an out ball,
And a mechanism plate 5 in which prize balls are mainly formed of synthetic resin
6, a large amount of the static electricity is guided into the inside of the housing 6, so that static electricity is easily generated due to friction with the mechanism plate 56.

FIG. 1 is an exploded perspective view showing the structure of the board case 17. The substrate case 17 includes a substrate housing box main body 46, a transparent cover body 45, and an opening / closing cover body 48. The substrate housing box main body 46 and the opening / closing cover body 48 are made of, for example, synthetic resin obtained by mixing carbon with polypropylene in order to have conductivity. The color of this resin is black. Further, the transparent cover body 45 is made of a transparent material such as polycarbonate.

At four corners inside the substrate housing box body 46, mounting portions 57a and 57b are provided. MPU,
Game control main board 37 on which RAM and ROM are mounted
Are fixed to the mounting portions 57a and 57b with screws 59. The game control main board 37 includes a connector connection section 41.
The connector 19 is connected to the connector connecting portion 41.

The board housing box body 46 has an engagement hole 4
3 is provided, and a claw portion 47 provided on the transparent cover body 45 is inserted into the engagement hole 43. An engagement claw 60 provided on the transparent cover body 45 is engaged with an engagement hole 58 provided on the substrate housing box body 46. Further, an engagement hole 49 provided in the substrate housing box body 46 is provided.
Is engaged with an engagement claw 51 provided on the transparent cover body 45. The transparent cover body 45 is fixed to the substrate housing box main body 46 by the engagement holes 43, 49, 58, the claw portions 47, and the engagement claw portions 51, 60. Thus, the game control main board 37 is surrounded by the surrounding body formed by the transparent cover body 45 and the board housing box main body 46, so that the game control main board 37 cannot be touched from the outside. A seal 81 is attached over the transparent cover body 45 and the substrate housing box body 46. The board housing box body 46 is provided with a lighting window 75. Lighting window 7
The reason for providing 5 will be described later.

The transparent cover 45 has an opening / closing cover 48.
Is covered. Openable cover body 48 and substrate housing box body 4
6 serves as a shield cover for suppressing the adverse effect of static electricity on the MPU, RAM, and ROM.
A support shaft 69 is provided on the opening / closing cover body 48, and an insertion portion 71 provided in the substrate housing box main body 46 is provided with a support shaft 69.
The support shaft 69 is inserted, and the openable / closable cover body 48 is supported by the substrate housing box body 46 so as to be freely opened and closed.

On the other hand, an engagement hole 66 is provided in the substrate housing box main body 46, and an engagement claw portion 64 which engages with the engagement hole 66 is provided on the opening / closing cover body 48. The opening / closing cover body 48 is fixed to the substrate housing box main body 46 by engaging the claw portions 64 with the engaging holes 66. When it is desired to open the cover 48, the engagement between the engagement claw 64 and the engagement hole 66 is released, so that the cover 48 can be easily opened.

With the above configuration, the substrate housing box main body 46 and the opening / closing cover body 48 are electrically connected to each other through the support shaft 69 insertion portion 71 and the engagement claw 64 engagement hole 66. .

On the opening / closing cover 48, a game machine name seal 89 and an instruction seal 87 describing an opening / closing method and the like are affixed. The board housing box body 46, the transparent cover body 45, and the openable cover body 48 are provided with a large number of heat radiation holes 73, 79, 85, respectively. The heat dissipation holes allow heat from the electronic circuit formed on the game control main board 37 to escape to the outside.

The heat radiating holes 73, 79, 85 are formed in the entire board housing box body 46 and the like, and are omitted in FIG.

The transparent cover 45 has a connector connecting portion 4
A notch 77 for preventing the transparent cover body 45 from covering the top 1 is provided. Therefore, even if the wiring 50 is disconnected while the transparent cover body 45 is fixed to the board housing box body 46, the connector 19 can be removed and the wiring 50 can be replaced.

Notches 67 and 83 are formed in the board housing box body 46 and the opening / closing cover body 48, respectively. The opening formed by the notch 67 and the notch 83 is used as a wiring lead-out part, and the wiring 50 connected to the connector 19 is drawn out from this wiring lead-out part. Separable plates 91 are arranged on both sides of the notch 83. Separable plate 91
Is fixed to the notch 83 by the connecting portion 93.
When the amount of wiring is large, the connecting portion 93 is cut with a nipper or the like, thereby removing the separable plate 91 and increasing the area of the wiring drawing portion.

Referring to FIGS. 1 and 2, the mounting portion 61 is fixed to the mechanism plate 56 by screws 62. Mounting part 61
Are provided with two guide rails 63. When mounting the board case 17 on the mounting portion 61, the guide rail 63 is slid to the right while guiding the sliding portion 65 provided on the back side of the board housing box body 46. Next, the pressing portion 107 provided on the right side of the engaging claw portion 55 is pressed toward the mechanism plate 56, and the board case 17 is slid rightward. Then, the engaging claw 55 is inserted into the engaging hole 5.
3, the board case 17 is attached to the mounting portion 6.
Fix to 1. When removing the board case 17, the pressing portion 107 is pressed in the direction of the mechanism plate 56, the engagement between the engaging claw 55 and the engaging hole 53 is released, and the board case 17 is slid to the left. The board case 17 can be easily removed.

FIG. 5 is a sectional view of the board case. The game control main board 37 is attached to the board housing box main body 46 as described above. Electronic components such as a CPU and a ROM are mounted on the front surface 70 of the game control main board 37. On the back surface 72 of the game control main board 37, a wiring pattern for connecting these electronic components is provided.

The board housing box body 46 has a lighting window 7
5 is provided, and at a position facing the lighting window 75,
There is a transparent cover body 45. When light enters the board housing box body 46 from the lighting window 75, the wiring pattern provided on the back surface 72 of the game control main board 37 via the transparent cover body 45 can be seen. Therefore, it is possible to confirm whether or not the wiring pattern provided on the back surface 72 has been changed without removing the transparent cover body 45.

As shown in FIG. 2, a first space 108 is provided between the mechanism plate 56 and the board housing box body 46, and the static electricity generated in the mechanism board 56 is transmitted to the board housing box body 46. That is prevented as much as possible.

A second space 109 is formed between the board housing box body 46 and the game control main board 37, and the game control main board 37 and the transparent cover 45 are formed.
And a third space 110 is formed between them.

As described above, the second space 109 and the third space 1
By forming 10, it is possible to prevent the discharge voltage applied to the board case 17 from being directly applied to the game control main board 37 without passing through the mounting portion 57a described later. Furthermore, since the capacities of the second space 109 and the third space 110 are different, the second space 109 is generated due to heat generated from the game control main board 37 during use.
The speed at which the air warms between the second space 109 and the third space 110 is different, and a convection of the air occurs between the second space 109 and the third space 110 due to the temperature difference. , 79, 85.

Next, referring to FIGS. 1 and 2, the game control main board 37 has a ground line extending mounting hole 111 in which the ground line 95 extends and a mounting hole 112 in which the ground line 95 does not extend. Screws 59 are attached to the mounting portions 57a, 57 provided on the substrate housing box body 46 through the
b. Game control main board 3
7, a ground line 95 is provided on the front and back surfaces, respectively.
Is provided. For this reason, the ground line 95 and the board case 17 are electrically connected to each other via the ground line of the mounting portion 57a and the ground line extending mounting hole 111 which is in contact with the mounting portion 57a. Thereby, the ground line 95 of the game control main board 37 and the board case 17
Have substantially the same potential, so that discharge between the board case 17 and the game control main board 37 can be prevented.

The game control main board 37 is provided with a large number of through holes (not shown). Ground lines 95 formed on the front and back surfaces of the game control main board 37
Are electrically connected through this through hole. Accordingly, if a discharge occurs between the mechanism plate 56 and the substrate case 17 due to static electricity, the discharge voltage is reduced to the mounting portion 57a.
First, the current flows into the ground line 95 on the back side of the game control main board 37, and the current flowing into this back side flows into the MPU,
Until reaching the RAM 39a and the ROM 39b, it passes through the through-hole many times and circulates many times between the front surface and the back surface of the ground line 95, so that the voltage is applied to the MPU, RAM 39a,
The voltage drops as much as possible before reaching the ROM 39b. That is, this through-hole is provided between the MPU and the RAM provided on the game control main board 37 from the mounting portion 57a.
39a and a function to extend the distance of the current flowing to the ROM 39b as much as possible.
7, MPU, RAM 39a, ROM 39b
From the adverse effects of noise as much as possible.

Notch 83 provided in cover 48
And a notch 67 provided in the substrate housing box body 46
The wiring 50 connected to the connector 19 is drawn out to the outside through a wiring drawing part formed by the above. Therefore, the wiring can be exchanged only by opening the cover 48.

In the drawing, reference numeral 49 denotes an engaging hole, 51 denotes an engaging claw portion, and 79 and 85 denote heat radiation holes. Regarding the relationship between the engagement claw 51 and the engagement hole 49 and the function of the heat radiation holes 79 and 85,
See the description of FIG.

As shown in FIG. 1, in the first embodiment of the present invention, an enclosure surrounding the game control main board 37 via the transparent cover body 45 (the transparent cover body 45 and the board housing box body 46 from consisting) that have to be able to see by eye the game control main board 37 from the outside.
A large number of through-holes to the entire transparency cover 45 serving also as a heat radiation hole 79 (a size that does not pass through the electronic components mounted to the game control main board 37) may be set only.

As shown in FIG. 1, in the first embodiment of the present invention, the function of a shield cover body which surrounds the game control main board 37 and suppresses the adverse effect of static electricity on noise on electronic components is provided by an opening / closing cover. The body 48 and the board housing box body 46 play the role. However, the present invention is not limited to this, and a conductive tubular article may be used as the shield cover. The game control main board 37 covered with the transparent cover body 45 from the cylindrical mouth is put into a cylindrical object.

As shown in FIG. 1, in the first embodiment of the present invention, the transparent cover body 45 is disposed only on the surface of the game control main board 37 (that is, the surface on which the electronic components are mounted). I have. However, not limited thereto in the present invention, the substrate accommodating box
The game console 46 may also be formed of a transparent cover, and the entire game control main board 37 may be covered with a transparent cover. In this way, the back surface of the game control main board 37 (that is, the surface on which the wiring pattern for connecting the electronic components is formed) can be inspected without removing the seal. That is, the transparent cover body of the present invention is a game control main base.
A transparent cover body 45 on the front side of the plate 37;
The substrate housing box body 46 on the back side of the substrate 37 is
And a bar. Also book
The container for a substrate of the present invention is composed of the two transparent covers.
Have been.

As shown in FIG. 1, in the first embodiment of the present invention, the entire surface of the game control main board 37 can be seen by disposing the transparent cover 45 on the entire surface of the game control main board 37. Like that. However, the present invention is not limited to this, and parts (MP
U, RAM, ROM, etc.).

As shown in FIG. 1, in the first embodiment of the present invention, the board housing box main body 46 and the opening / closing cover body 48, which are the shield cover bodies, are made of a resin mixed with carbon. However, the present invention is not limited to this, and may be made of a conductive metal plate.

As shown in FIG. 1, in the first embodiment of the present invention, the transparent cover body 45 is a completely transparent body. However, the present invention is not limited to this, and may be formed of a synthetic resin containing carbon to such an extent that the inside can be seen through.

As shown in FIG. 1, in the first embodiment of the present invention, a transparent cover body 45 is disposed between an opening / closing cover body 48 and a game control main board 37. However, the present invention is not limited to this, and a configuration in which a conductive plate that can be freely inserted and removed may be inserted between the transparent cover body 45 and the game control main board 37.

In the first embodiment of the present invention, an electronic circuit for controlling a pachinko gaming machine has been described.
However, the present invention is not limited to this, and any game machine having an electronic circuit affected by static electricity may be used.

The second embodiment of the present invention will be described below. FIG. 6 is a plan view of a second embodiment of the present invention, in which a board case 17 is attached to the back surface of the game board 5. The opening / closing cover body 48 is in an open state. Since the transparent cover 45 is transparent, the game control main board 37 can be seen through the transparent cover 45. Reference numeral 21 denotes a game control sub-board. The wiring 50 of the connector 23 attached to the game control sub-board 21 is connected to the connector 19 attached to the game control main board 37.

When the game control main board 37 and the game board 5 are separately received and the game control main board 37 is mounted on the game board 5 at the game hall, if the person who mounts the game control board 37 is not an amateur, a wiring mistake is possible. There is. Therefore, as shown in FIG. 6, if a game board 5 in which the game control main board 37 is attached in advance is received, such a situation does not occur.

The third embodiment of the present invention will be described below.
FIG. 7 is a perspective view of a third embodiment of the present invention. In the third embodiment of the present invention, a conductive cloth (hereinafter referred to as a conductive cloth 97) is used in place of the opening / closing cover body 48 shown in FIG.

A rubber band 99 is attached to the conductive cloth 97, and a ring 101 is attached to the rubber band 99. The state in which the conductive cloth 97 covers the game control main board (not shown) is maintained by hanging the ring 101 on the hook 103 provided on the board housing box main body 46. The elastic force of the rubber band 99 is used to prevent the ring 101 from coming off the hook 103. In the figure, 50 is a wiring, and 79 is a heat radiating hole.

[0058]

As shown in FIGS. 1 and 2,
The board container is electrically connected to a ground line (ground line 95) provided on the board surface of the game control main board.

Also, the sliding portion 65 shown in FIG. 1 and the like can be slid while being guided by a guide portion (guide rail 63) provided in the gaming machine (pachinko gaming machine 1). Unit is configured. In a state in which the sliding portion is guided by the guide portion by the engagement hole 53 shown in FIG. 1 and the like, the board containing portion engaging portion (engaging claw portion 55) provided in the gaming machine is provided. , And a fixed engaging portion capable of fixing the substrate container to the game machine according to the engaged state.

Also, as shown in the above-described modification,
A conductive plate is provided so as to be interposed between the board container and the game control main board.

[0062]

EFFECT respect claim 1, container covering the game control main board comprises a transparent cover the entire game control main board externally covered with a visible possible embodiments. For this reason, when an abnormality that can be found with the naked eye occurs in the game control main board and an abnormality of the gaming machine occurs, the game control main board includes the front and back surfaces of the game control main board via the transparent cover body from outside the container. By looking at the whole, the cause of the abnormality of the gaming machine can be easily found, and the cause of the abnormality can be easily found.

On the other hand, in the case of a substrate container in which the inside is made visible as compared with the case where the entire substrate container is made of a metal material, the noise shielding effect tends to be reduced. Multiple electricity on both ground lines
This can be compensated for by a voltage drop due to a temporary connection point , and the adverse effect of noise can be prevented as much as possible. The substrate container is
Because the variable display device and its sub- board are disposed on the left side of the gaming machine from the back side of the gaming machine and on the gaming board ,
In a general gaming machine in which the mechanism plate is opened and closed with the right side as the rotation center when viewed from the back of the gaming machine, when the mechanism plate is opened, maintenance work is performed from the left side, so that the board container is It is easier to carry out maintenance such as replacing the board container and check for the unauthorized modification of the board. Moreover, in a general gaming machine having a mechanism payout device for paying out prize balls on the left side as viewed from the back of the gaming machine, due to static electricity generated when a large amount of prize balls are dispensed. adverse effects of the noise Ru can <br/> be prevented as much as possible to cover the game control main board.

[0064]

[0065]

[Brief description of the drawings]

FIG. 1 is a first view of a game control board container according to the present invention.
It is an exploded perspective view of an embodiment.

FIG. 2 shows a first example of a game control board container according to the present invention.
It is a longitudinal section of an embodiment.

FIG. 3 is a first view of a game control board container according to the present invention.
1 is an overall front view of a pachinko gaming machine having an embodiment.

FIG. 4 is an overall rear view showing an internal structure of the pachinko gaming machine shown in FIG.

FIG. 5 is a first view of a game control board container according to the present invention.
It is a cross section of an embodiment.

FIG. 6 shows a second example of the game control board container according to the present invention.
It is a top view of a game board to which an embodiment is attached.

FIG. 7 shows a third embodiment of the game control board container according to the present invention.
It is a perspective view of an embodiment.

[Description of Signs] 17 Board case 37 Game control main board 39 CPU, ROM 45 Transparent cover body 46 Board storage box body 48 Opening / closing cover body 69 Support shaft 71 Insertion section 95 Ground line

Continuation of the front page (56) References JP-A-1-270885 (JP, A) JP-A-2-45079 (JP, A) JP-A-2-13577 (JP, U) JP-A-2-125364 (JP) , U) Fully open 63-1284 (JP, U) Fully open 61-133087 (JP, U) Fully open 63-6076 (JP, U) Fully open 1960-175279 (JP, U) Fully open 64-24872 (JP, U) Japanese Utility Model 63-122469 (JP, U) Japanese Utility Model 58-48276 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A63F 7/02 326

Claims (1)

(57) [Claims] 1. A gaming machine comprising a game controller main board electronics for controlling the gaming machine is provided, and a substrate housing covering the the recreation control main board, hit ball is driven A game board having a game area formed on the front thereof, and a display state which can be changed to a specific game state which is advantageous to the player when the display result becomes a predetermined specific display mode. Wherein the board container is formed of a synthetic resin transparent cover that covers the entire game control main board in a manner that can be visually recognized from the outside , and the game control on the main board, along with a ground line is formed on the both surfaces thereof, the two ground lines are electrically connected at a plurality of locations, and the variable display controlling device electronics provided al Connector is provided for to the sub-board for electrical connection, said variable display device and a sub viewed from the gaming machine back side
The board container is fixed to the game board on the left side of the board.
And connecting the wiring connected to the connector to the game
The variable display device and its sub-devices are installed on the back side of the board and viewed from the back side of the gaming machine.
At the position spaced apart on the right side of the board and on the mechanism plate,
A ball payout device that can pay out prize balls with prizes is arranged
A gaming machine, characterized in that: