JPH0584342A - Pachinko game machine - Google Patents

Abstract

PURPOSE:To provide a pachinko game machine capable of causing a player to feel as if a prize hole is widely opened, upon the oscillation of an open/close plate in an open direction, and a ball can easily enter the hole. CONSTITUTION:An open/close plate 5 is fitted to cover and uncover an open section 7, and constitution is so made that a gap D larger than the radius of a pachinko ball is formed between the free end of the plate 5 and the upper edge of the open section 7, when the plate 5 is completely oscillated in a close direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball game machine represented by a pachinko game machine, a coin game machine and the like.
The present invention relates to a ball game machine having a variable winning ball device that can be changed between a first state advantageous to a player and a second state disadvantageous to a player.

[0002]

2. Description of the Related Art In a ball game machine of this type, based on what has been generally known from the past, for example, a ball hit in a game area has won a predetermined prize area, There has been a structure in which an opening / closing plate that opens and closes the winning opening of the variable winning ball device is opened to switch to the first state, which is advantageous for the player. Further, this variable winning ball device is configured such that when the opening / closing plate is closed, the winning opening of the variable winning ball device is completely closed by the opening / closing plate.

[0003]

As described above, in the conventional ball game machine of this type, the mutual size of the opening / closing plate and the winning opening of the variable winning ball device depends on the opening / closing plate in the closed posture. It was sized so that the winning openings could be completely covered and closed. As a result, even if the opening / closing plate swings at a certain angle to open the prize opening, the prize opening cannot be opened so much, and the player has the impression that it is difficult for the ball to hit the prize opening. There was a drawback.

The present invention has been conceived in view of the above circumstances, and an object thereof is to open the winning opening largely when the opening / closing plate swings in the opening direction so that the hit ball enters the winning opening. It is an object of the present invention to provide a ball game machine that can give a player the impression of being easy.

[0005]

SUMMARY OF THE INVENTION The present invention is a ball game machine having a variable winning ball device that can be changed between a first state that is advantageous to a player and a second state that is disadvantageous to the player. The variable winning ball device has a winning opening in which a ball is hit, and swings in the opening direction to a first state with respect to the winning opening, and swings in a closing direction to the second state. The opening / closing plate is formed so that a predetermined gap is formed between the free end side of the opening / closing plate and the upper edge of the winning opening when the opening / closing plate is fully swung in the closing direction. And

[0006]

According to the present invention, the opening / closing plate swings in the opening direction with respect to the winning opening formed in the variable winning ball device and becomes the first state advantageous to the player, and the opening / closing plate moves in the closing direction. It swings into a second state that is disadvantageous to the player. A predetermined gap is formed between the free end side of the open / close plate and the upper edge of the winning opening in a state where the open / close plate is fully swung in the closing direction. In other words, when the open / close plate has been fully swung in the closing direction, the vicinity of the upper edge of the winning opening has already been opened by a predetermined interval, so if the open / close plate is swung in the open direction further. The opening is further opened.

[0007]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a front view showing a game board surface of a pachinko game machine which is an example of a ball game machine. When the player operates a hit ball operation handle (not shown), the pachinko balls stored in the hit ball standby gutter (not shown) are driven one by one into the game area 2 formed on the front surface of the game board 1. .. The game area 2 is provided with a variable display device 3 capable of variably displaying a plurality of types of identification information, and a starting winning opening 10
a, 10b, 10c are provided. The pachinko balls that have won in the respective winning award openings 10a, 10b, 10c are respectively the starting award ball detectors 11a, 11
b, 11c (11b and 11c are not shown). Based on the detection signal of the starting winning ball detector,
Each of the symbol display portions 3a, 3b, 3c of the variable display device 3 is variably started. Then, based on the lapse of a predetermined time, the left symbol display portion 3a is stopped first, and then the middle symbol display portion 3b.
Stops, and finally the right symbol display portion 3c stops, and the display result at the time of the stop is specific identification information (for example, 7
When it comes to 77), the opening / closing plate of the variable winning ball device 4 is opened to bring it into the first state which is advantageous to the player, so that a predetermined game value can be given. If the pachinko balls win the start winning openings 10a to 10c during the variable display of the variable display device 3, the start winning is stored, and after the variable display of the variable display device 3 is stopped, the variable display device 3 is again displayed based on the storage. Is started variable. The upper limit value of the memory for winning the start winning is set to, for example, "4". The number of times of storing the winning prize is displayed by the starting memory LED 26.

On the other hand, in the variable winning ball device 4, the opening 7 is normally closed by the opening / closing plate 5, and the pachinko balls are in the second state which is disadvantageous to the player who cannot win the opening 7. By opening the opening / closing plate 5, a pachinko ball enters a first state, which is advantageous for a player who can win a prize in the opening 7. The first state of the variable winning ball device 4 ends when a predetermined number of pachinko balls (for example, 10) wins a prize or a predetermined time (for example, 30 seconds), whichever comes first, is satisfied, and the variable state. Prize winning ball device 4
Switches to the second state. On the other hand, a specific winning opening 8 is formed at a predetermined position in the opening 7, and if a pachinko ball that has won the variable winning ball device 4 wins the specific winning opening 8, the variable winning ball device 4 in the meantime. After the completion of the first state, the opening / closing plate 5 is opened again, and the first state is repeatedly and continuously controlled. The upper limit number of times of this repeated continuation control is set to 16 times, for example. The number of times the repeated continuation control is performed, that is, the number of times the opening / closing plate 5 is opened is displayed by the number-of-openings display 25. Further, the number of prize balls that have won in the variable winning ball device 4 is displayed by the prize number display 9. Incidentally, reference numeral 6 in the figure is a solenoid for driving the opening / closing plate 5 to open / close.

The second state of the variable winning ball device 4 may be a state in which it is difficult to win the ball, rather than a state in which the ball cannot be won at all.

The variable display device 3 includes a drum lamp 22a.
22i are provided so that the identification information displayed by each of the symbol display portions 3a to 3c can be displayed brightly by lighting or blinking. Further, the variable display device 3 is provided with a decorative LED 23 and a winning opening 12. In the present embodiment, a rotary drum type variable display device is shown, but the present invention is not limited to this, and for example, a segment type or matrix type liquid crystal display device or a digital type using a light emitting diode, electroluminescence or the like. A variable display device may be used, or a variable display may be performed by running and lighting a plurality of lamps. Furthermore, the number of symbol display portions 3a to 3c is not limited to three, and may be one or two or four or more. Further, the variable display of the variable display device is stopped by a pressing operation of a stop button (not shown) by the player, or a predetermined time elapses or the pressing operation of the stop button by the player, whichever is earlier. You may perform stop control based on what was performed.

The game area 2 further includes a windmill lamp 1
8, prize hole 13, 14, side lamp 17, shoulder lamp 1
9 is provided. An attacker lamp 21, an attacker LED 24, and a sleeve lamp 20 are provided on the left and right of the variable winning ball device 4. In the figure, 16 is a rail decoration lamp, and 15 is an out port for collecting out balls.

2 and 3 are overall front views showing the variable winning ball device. The variable winning ball device 4 has a mounting substrate 56, and the mounting substrate 56 allows the variable winning ball device 4 to be mounted on the front surface side of the game board 1. The mounting substrate 56 has an opening 7 that is cut out in a rectangular shape. An opening / closing plate 5 is swingably provided in the opening 7 with its lower side as a swing axis. When the opening / closing plate 5 is swung by the solenoid 6 in the opening direction, that is, in the front direction, the opening 7 is opened and the first state is established. On the other hand, the opening / closing plate 5 is swung in the closing direction, that is, rearward to switch the posture to close the opening 7, whereby the second state is established. In the state where the opening / closing plate 5 has swung in the closing direction (the state shown in FIG. 2), the radius of the hitting ball is larger than the swinging end of the opening / closing plate 5, that is, between the upper edge and the upper edge of the opening 7. It is configured to have a large spacing. As a result, as shown in FIG. 3, when the opening / closing plate 5 is swung in the opening direction, the opening 7 is largely opened, and the pachinko balls hit in the game area give an impression that the player can easily win the prize. Can be given to. On the other hand, as shown in FIG. 2, even when the opening / closing plate 5 is in the closed posture, the player can move the swinging end of the opening / closing plate 5 to the back of the opening 7 through the space between the swinging end of the opening / closing plate 5 and the upper edge of the opening 7. The decoration sticker 75 located can be visually recognized. The opening / closing plate 5 is made of a transparent material, but a decorative seal 67 is attached to the opening / closing plate 5, and the character "OPEN" is displayed on the opening / closing plate 5. The base of the decorative seal 67 is transparent, and
The specific winning opening 8 and the V display LED 80 are configured to be visible through the opening and closing plate 5 as shown in FIG. In addition,
In the figure, reference numeral 65 denotes an opening amount restricting piece, which is a stopper for restricting the opening amount (opening angle) of the opening / closing plate 5. 6 in the figure
A distribution member 9 is for distributing the pachinko balls that have won a prize in the opening 7 to the specific winning opening 8 side or to the left-right direction of the specific winning opening 8.

On the left and right of the opening 7, there are starting winning openings 10b,
10c is provided, and the starting winning opening 10b, 10
Pachinko ball that won in c is started winning ball detector 11b, 1
Detected by 1c. This starting prize ball detector 11b,
Attacker lamps 21 are provided in the vicinity of 11c, respectively, and front surfaces of the attacker lamps 21 and the starting winning prize detectors 11b and 11c are covered with a lamp / switch cover 60.

A prize number indicator 9 is provided below the opening 7, and a hit ball collision frame 61 is provided to protect the prize number indicator 9 from a hit ball collision. In the figure, reference numeral 56a denotes an inclined portion integrally formed with the mounting substrate 56, and the attacker LED 24 is provided on this inclined portion.

4 and 5 are sectional views for explaining the opening / closing operation of the variable winning ball device, FIG. 4 showing a closed state, and FIG. 5 showing an open state.

On the rear side of the mounting substrate 56 of the variable winning ball device 4, a winning ball processing case 68 is formed. The prize winning ball processing case 68 is formed with a sorting member 69 and a collecting gutter 70 for collecting prize winning balls in one place. Further, in this winning ball processing case 68, a specific winning ball detector 71, a winning number detector 72, and a switch cover 77 are attached, and a pachinko ball that wins in the opening portion 7 when the opening / closing plate 5 is opened is a specific winning prize. When it is guided to the mouth 8, the pachinko ball is detected by the specific winning ball detector 71. On the other hand, when the winning ball is distributed to the left and right by the distribution member 69, it is collected in one place by the collecting gutter 70. The pachinko ball is detected by the winning number detector 72.

The vertical cross-sectional shape of the opening / closing plate 5 has a convex lens shape as shown in the figure, and when the player looks inside the opening 7 through the opening / closing plate 5 in the closed posture, the opening is formed. 7
For example, the specific winning opening 8 and the like are configured to be enlarged and visible. The distance between the swing center of the lower side of the opening / closing plate 5 and the upper edge of the opening 7 is set to H2 as shown in the drawing. Up to H1. As a result, when the opening / closing plate 5 is closed, a distance D is formed between the swinging end of the opening / closing plate 5 and the upper edge of the opening 7. This D is set to an interval larger than the radius of the pachinko ball. In this state, the state in which the opening / closing plate 5 swings forward until the opening amount regulating piece 65 serves as a stopper is shown in FIG.
In this state, it is possible to give the player an impression that the pachinko balls hit in the game area with the opening 7 largely opened are likely to win the prize. The opening amount regulation piece 65 can prevent the swing end of the opening / closing plate 5 from colliding with the glass plate on the front side of the game board when the opening / closing plate 5 swings too much forward. Reference numeral 73 in the drawing denotes a closed position restricting portion for restricting swinging of the opening / closing plate 5 in the closing direction.
Further, 60 is a lamp / switch cover, 9 is a winning number display, and 61 is a hit ball collision frame.

FIG. 6 is an exploded perspective view for explaining the structure of the variable winning ball device. The variable winning ball device 4 is mainly
The mounting substrate 56, the winning ball processing case 68, and the opening / closing plate 5 are configured by various switches and various display devices. The mounting substrate 56 is formed with the opening 7, the switch insertion hole 57, the lamp insertion hole 58, the wiring drawing hole 59, and the inclined portion 56a. A bearing portion 62 is formed at the lower left and right positions of the opening portion 7. A shaft pin 63 is inserted into the bearing portion 62, and the shaft pin 63 is inserted into the shaft insertion portion 64 of the opening / closing plate 5. Thus, the opening / closing plate 5 is pivotally supported on the mounting substrate 56 so as to be swingable. An operating pin 66 is projectingly provided on the opening / closing plate 5, and an operating lever (not shown) is attached to the operating pin 66.
The plunger of the solenoid 6 is connected to the opening / closing plate 5 by the solenoid 6 being driven.
It is swung back and forth around the center. In addition, 65 is an opening amount regulation piece. A decorative seal 67 is attached to the front side of the opening / closing plate 5.

The starting prize winning ball detector 11c is inserted into the switch insertion hole 57 from the rear side, and the detection portion thereof is mounted so as to project to the front side of the mounting substrate 56. Further, the attacker lamp 21 is inserted and attached to the lamp insertion hole 58 from the back surface side. Starting prize ball detectors 11b, 11
c (11b is not visible in the drawing) and attacker lamp 21
With the lamp and switch cover 60 covered from the front side with the lamp and switch cover 60,
6 is attached. In addition, 10b is a starting winning opening.
The winning number indicator 9 is attached from the back side of the hitting collision frame 6, and the wiring of the winning number indicator 9 is led out from the wiring drawing hole 59 to the rear side of the mounting substrate 56. When the pachinko balls falling from above or from the left and right collide with the hitting ball collision frame 61, the pachinko balls can be prevented from colliding with the winning number indicator 9. The attacker LED 24 is attached from the back surface side of the inclined portion 56a.

In the winning ball processing case 68, a specific winning opening 8
The distribution member 69 is provided, and the pachinko balls that are won from the opening 7 are distributed by this distribution member 69, and the pachinko balls that are distributed to the center side are won at the specific winning opening 8. To do. On the other hand, the pachinko balls sorted in the left-right direction by the sorting member 69 are gathered in the center by the gathering gutter 70. An LED board 79 is attached to the back side of the winning ball processing case 68, and the V display LED 80 provided on the LED board 79 is configured to be visible from the front side of the variable winning ball device 4. A specific winning ball detector 71 is provided at a position where a pachinko ball that has won the specific winning port 8 can be detected, and a switch cover 77 is attached to the back side of the specific winning ball detector 71. A V display sticker 78 is attached to the front side of the switch cover 77 so that the player can visually recognize the V display sticker 78 through the decoration sticker 67, the opening / closing plate 5, and the specific winning opening 8. On the other hand, a winning number detector 72 is provided in the lower part of the collecting gutter 70, and the pachinko balls gathered in the center by the collecting gutter 70 are the winning number detector 7
It is configured to be detected by 0. Reference numeral 73 is a closed position restricting portion for restricting the closed position of the opening / closing plate 5. 74 is a pin insertion hole into which the operating pin 66 is inserted. Further, 75 and 76 are decorative stickers, which are attached to the front surface side of the winning ball processing case 68. The prize-winning ball processing case 68 and the mounting substrate 56 are integrally fixed by screws to form the variable winning-ball apparatus 4.

FIG. 7 is a block diagram showing a control circuit used in a pachinko gaming machine. The control circuit of the pachinko gaming machine, according to the program for controlling various equipment,
A basic circuit 85 including a microcomputer for controlling a gaming machine and an initial reset circuit 86 reset the frequency of the clock signal supplied from the basic circuit 85 and periodically (for example, every 2 msec) a reset pulse to the basic circuit 85. A clock reset pulse generation circuit 87 for giving, a switch / sensor input circuit 89 connected to various switches and sensors, and giving a signal from a switch selected by an applied address signal to the basic circuit 85, and a basic circuit And an address decode circuit 88 for decoding the address signal supplied from the basic circuit 85 and supplying the decoded signal to the basic circuit 85 and the like. Further, the control circuit of the pachinko gaming machine includes a segment LED circuit 91 controlled by the basic circuit 85.
A sound circuit 90 for receiving a sound signal from the basic circuit 85 and driving the speaker 82 to generate a sound effect, and a drum lamp circuit 92 controlled by the basic circuit 85.
And a lamp / solenoid / big hit information circuit 93 controlled by the basic circuit 85, and a motor drive circuit 94 controlled by the basic circuit 85.

The segment / LED circuit 91 includes an open count indicator 25, a winning number indicator 9, and a start memory LED 2.
6, V display LED80, attacker LED24, decoration L
The EDs 23 are connected, and display control is performed for each. The drum lamp circuit 92 includes the drum lamps 22a ...
22i are connected and are controlled to light or blink. The solenoid 6, the game effect lamp 81, the rail decoration lamp 16, the windmill lamp 18, the shoulder lamp 19, the side lamp 17, and the attacker lamp 21 are connected to the lamp / solenoid jackpot information circuit 93. Reference numeral 83 is a jackpot information output line. Motor drive circuit 9
4, drum motors 52a, 52b, 52c for rotating and driving each drum are connected, and each drum motor 52 is driven based on a control signal from the motor drive circuit 94.
a to 52c are rotationally driven. Drum sensors 49a, 49 for detecting the reference position of the drum during this rotation
b and 49c are provided on the drum sensor substrate 49, the drum sensors 49a to 49c are connected to the switch / sensor input circuit 89, and the detection signal of the reference position of the drum is sent to the basic circuit via the switch / sensor input circuit 89. Given to 85. The switch / sensor input circuit 8 is provided with a prize number detector 72 for detecting prize balls that have won the variable prize ball device 4.
9 is connected to the variable winning ball apparatus 4 and the detection signal of the winning ball that has won the variable winning ball apparatus 4 is given to the basic circuit 85 via the switch / sensor input circuit 89. Specific winning ball detector 7 for detecting a winning ball that has won a specific winning opening 8 in the variable winning ball device
1 is connected to the switch / sensor input circuit 89,
The detection signal of the winning ball that has won the specific winning opening is given to the basic circuit 85 via the switch / sensor input circuit 89.
Starting prize detection signals from the starting prize winning ball detectors 11a to 11c are transmitted through the switch / sensor input circuit 89 to the basic circuit 8
Given to 5.

Further, the control circuit 84 of the pachinko gaming machine includes a power supply circuit 95 which is connected to an AC 24V AC power supply and generates a plurality of kinds of DC voltages.

FIG. 8 is a diagram showing a table for explaining display contents and display states displayed by various lamps and LEDs corresponding to various operating states of the pachinko gaming machine and types of sound effects.

Various lamps and LEDs are controlled as shown in FIG. 8 according to the control signal from the basic circuit 85 shown in FIG. First, as shown in the figure, when the power is turned on,
The number display LED 9 and the number display LED 25 are turned on to display "0".

At the time of winning the start prize, the shoulder lamp 19, the side lamp 17, the attacker lamp 21, and the sleeve lamp 20.
Blinks with 128 mS as a half cycle. Further, all the drum lamps 22a to 22i are turned on. Then, with the variable display started and the left and middle drums stopped,
In the case of so-called reach when there is a possibility that the specific identification information (for example, 777) that is a big hit remains, only 128 mS of the lamps on the winning row where the specific identification information (for example, 777) may be completed. Flashes as a cycle. When reaching, the decorative LED 23 is set to 128 ms
Blinks every half cycle. Even at the time of this start winning, the number display LED 9 and the number display LED 25 are "0".
Is displayed. Further, from the speaker 82, a sound effect of type A is generated while the design of the variable display device is changing, a sound effect of type B is generated when each design is stopped, and a sound effect of type C is generated at reach. To be done.

If the symbol when the variable display device is stopped is a symbol other than a big hit, all the drum lamps 22a to 22i are turned on for a predetermined time (for example, 1.600 seconds) and the attacker LED 24 is activated. Is 256 ms
Flashes in half cycle. In this case, the number display L
The ED 9 and the number-of-times display LED 25 display "0". Further, the speaker 82 outputs the D-type sound effect.

Next, a case where a big hit occurs will be described. After the display result when the variable display device is stopped becomes the specific identification information (for example, 777), the rail decoration lamp 16 and the wind turbine are displayed for a predetermined period (for example, 5.500 seconds) before the variable winning ball device is opened for the first time. The lamp 18, the shoulder lamp 19, the side lamp 17, the attacker lamp 21, and the sleeve lamp 20 blink, and the blinking pattern is repeated with 1024 mS as one cycle. Further, among the drum lamps 22a to 22i, only the lamp on the winning row blinks. This blink is 128
It is performed with mS as a half cycle. In addition, the number display LE
D9 and the number display LED 25 display "0". Further, the speaker produces sound effects of type E.

When the variable winning ball device is opened due to the big hit and before the winning pachinko ball wins the specific winning opening (specific area), the game effect lamp 81, the rail decoration lamp 16, Windmill lamp 1
8, the shoulder lamp 19, the side lamp 17, the attacker lamp 21, and the sleeve lamp 20 blink with the time shown in parentheses as a half cycle. Further, the drum lamp 22a
Only the lamps in the winning row of ~ 22i blink with 128 mS as a half cycle, and the other drum lamps are turned on.
Furthermore, the decoration LED 23 and the attacker LED 24 are
Flashes alternately with a half cycle of 128 mS. Number display L
The number of prizes won in the variable winning ball device is displayed by the ED 9, and the number of times the variable winning ball device is opened is displayed by the number-of-times display LED 25. Also, from the speaker 82 to F
The following types of sound effects are emitted. On the other hand, while the variable winning ball device is open and after the winning pachinko ball wins the specific winning opening (specific area), the game effect lamp 81, the rail decoration lamp 16, the windmill lamp 18, the shoulder lamp 19, The side lamp 17, the attacker lamp 21, the sleeve lamp 20, and the V display LED 80 blink with the time in parentheses as a half cycle, and the drum lamps 22a to 22a.
Only the lamp in the winning row of 2i blinks with 128 mS as a half cycle, and other drum lamps light up. Further, the decoration LED 23 and the attacker LED 24 alternately blink with a half cycle of 128 mS. In this case, the number display LED 9 displays the number of winning balls that have won in the variable winning ball device, and the number display LED 25 displays the number of times the variable winning ball device has been opened. This number display LED25
Indicates the number of times of opening of the variable winning ball device when the number of times of opening is 1 to 9, and when the number of times of opening is 10 to 16, 1 of the number of times of opening is displayed.
Blinks the place of. The half cycle of the blinking display is 12
It is 8 mS. Further, the F-type sound effect is generated from the speaker, and the G-type sound effect is emitted when the pachinko ball first wins the specific area, that is, when the repeated continuation condition is satisfied.

The game effect lamp 81, the shoulder lamp 19, until the opening of the variable winning ball device for the next time after the repetition continuation condition is established, or after the number of times of opening is 16 times which is the upper limit of the repetition continuation number. Among the side lamp 17, the attacker lamp 21, and the drum lamps 22a to 22i, the lamps on the winning row blink with the period of bracket writing as a half cycle. Further, the windmill lamp 18 and the sleeve lamp 20 blink. The blinking pattern is repeated with 1024 mS as one cycle. Furthermore, the decorative LED 23 and the attacker L
ED24 blinks alternately with 256 mS as a half cycle. The number display LED 9 displays the number of winning prizes when the variable winning ball device was opened last time. The count display LED 25
Displays the number of times the variable winning ball device was opened last time. At that time, when the number of times of opening is 1 to 9, it is lit and displayed, and when the number of times of opening is 10 to 16, 128 mS is set as a half cycle and the ones digit of the number of times of opening is blinked. The speaker produces H-type sound effects.

The memory display LED 26 lights up and displays the start winning memory in all game states.

[0033]

According to the present invention, in the state where the opening / closing plate is swung in the opening direction, the player can have an impression that the winning opening is largely opened and the hitting ball is likely to win the winning opening. It has become possible to provide a ball game machine that can inspire a player to play.

[Brief description of drawings]

FIG. 1 is a front view showing a game board surface of a pachinko game machine which is an example of a ball game machine.

FIG. 2 is an overall front view of a variable winning ball device showing a state where an opening / closing plate is swung in a closing direction.

FIG. 3 is an overall front view of the variable winning ball device showing a state in which the opening / closing plate is swung in the opening direction.

FIG. 4 is a vertical cross-sectional view of the variable winning ball device showing a state where the opening / closing plate is swung in the closing direction.

FIG. 5 is a vertical cross-sectional view of the variable winning ball device showing a state where the opening / closing plate is swung in the opening direction.

FIG. 6 is an exploded perspective view for explaining the structure of the variable winning ball device.

FIG. 7 is a block diagram showing a control circuit used in a pachinko gaming machine.

FIG. 8 is a diagram showing a table for explaining a gaming state of a pachinko gaming machine, display states of various display devices corresponding to the gaming state, and types of sound effects emitted.

[Explanation of symbols]

1 is a game board, 2 is a game area, 4 is a variable winning ball device, 5 is an opening / closing plate, 7 is an opening, 8 is a specific winning opening, and 75 and 67 are decorative stickers.

Claims (1)

[Claims] 1. A ball-and-ball game machine having a variable winning ball device that can be changed between a first state that is advantageous to the player and a second state that is disadvantageous to the player, wherein the variable winning ball device is A winning opening through which a hit ball wins; and an opening / closing plate that swings in the opening direction into the first state and swings in the closing direction into the second state with respect to the winning opening, A ball game machine, characterized in that a predetermined gap is formed between a free end side of the opening / closing plate and an upper edge portion of the winning opening in a state where the opening / closing plate is fully swung in a closing direction.