JP4010427B2 - Pachinko machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pachinko machine in which a big prize opening is arranged below a symbol display means.
[0002]
[Problems to be solved by the invention]
Some of the pachinko machines have a structure in which a symbol display means is arranged in the center of the front surface of the game board and a big prize opening is arranged below the symbol display means. In the case of this configuration, when the jackpot symbol is displayed on the symbol display means, the big winning opening is opened and the pachinko ball enters the big winning opening. For this reason, especially when the symbol display means is large, the pachinko balls fall on both the left and right sides of the game board so as to escape the symbol display means. It was necessary to reduce the number of spilling spheres to the central winning prize.
[0003]
The present invention has been made in view of the above circumstances, and an object thereof is to provide a pachinko machine that can reduce the number of spilling balls without greatly changing the arrangement of obstacle nails.
[0004]
[Means for Solving the Problems]
The pachinko machine according to claim 1, wherein a pachinko ball is rollable, a game board in which a plurality of obstacle nails are driven, a symbol display device provided in front of the game board, and the game board On the front side of the symbol display device, and has a large winning hole into which a pachinko ball can enter and a door for opening and closing the large winning hole, and the width dimension of the door in the left-right direction is the same as that of the symbol display device. A large winning opening which is equal to or larger than the symbol display device, and a collar part which is provided between the large winning port and the symbol display device on the front surface of the game board and is integrally formed with the large winning port; Based on the fact that the start hole solenoid, which is connected to the start hole, the start opening solenoid and the plunger of the start opening solenoid, which is provided at the center in the left and right direction of the collar and can receive a pachinko ball, is disconnected. Cooperating with obstacle nails An electric tulip type starter opening starting opening solenoid with a state that closes the starter hole has two movable piece in a state of opening a starting hole based on when energized, the electric tulip on a front surface of the game board A normal start port having a saucer shape provided between the start hole of the type start port and the symbol display device and having a start hole into which a pachinko ball can enter, and the electric tulip start at the upper end of the collar A circular arc surface located on the left side of the mouth and descending from right to left, and at the upper end of the collar, located on the right side of the electric tulip starter and descending from left to right A left arc portion of the left arc surface is biased from the left end portion of the door of the grand prize opening to a central portion of the diameter of the pachinko ball, and the right end portion of the right arc surface is the right edge of the door of the winning opening Ri polarized about 1 times the central portion of the diameter of the pachinko ball from the said special winning captures the pachinko ball dropping from each of the two arcuate surfaces door winning opening in a state of opening the special winning hole The left side of the arcuate surface of the electric tulip type starting port is closed while closing the starting hole of the electric tulip type starting port. Is arranged on the left side of the start hole of the electric tulip start port so as to overlap with a part of the left circular arc surface in a state where the start hole of the electric tulip start port is opened without overlapping from above. The other movable piece of the electric tulip type starting port closes the starting hole of the electric tulip type starting port so that the starting hole of the electric tulip type starting port does not overlap the right circular arc surface from above. It is characterized in that it is arranged on the right side of the starting hole of the electric tulip type starting port so as to overlap a part of the right circular arc surface from above in the open state .
According to the above means, the pachinko balls falling on both the left and right sides of the symbol display device can easily enter the big prize opening, so the layout of the obstacle nails has to be significantly changed to guide the pachinko balls to the big prize opening. However, the number of spilling spheres is reduced. In addition, pachinko balls that fall on the left and right side portions of the buttock can easily enter the big winning opening, so that the number of spilling balls due to the influence of the buttock is prevented.
In the pachinko machine according to claim 2, the horizontal width dimension of the large winning hole is set to be substantially the same as the horizontal width dimension of the door or smaller than the horizontal width dimension of the door. It has characteristics.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. First, in FIG. 2, the main body frame 1 is installed on the Taishima island of the pachinko hall. A game board 2 is incorporated in the main body frame 1, and a plurality of obstacle nails 3 are driven into the front surface of the game board 2 as shown in FIG.
[0007]
As shown in FIG. 2, a window frame 4 is attached to the main body frame 1 so as to be rotatable about the left side. The window frame 4 incorporates a glass window (not shown), and the front surface of the game board 2 is covered with the glass window. A firing handle 5 is rotatably mounted on the lower right portion of the main body frame 1. A firing motor 6 (see FIG. 5) is mounted on the back side of the firing handle 5, and when the firing handle 5 is rotated clockwise, power is supplied to the firing motor 6.
[0008]
An upper plate 7 and a lower plate 8 are attached to the main body frame 1, and pachinko balls α (see FIG. 4) are stored in the upper plate 7. In addition, a hitting ball (not shown) is connected to the rotation shaft of the firing motor 6 via a crank mechanism. When the firing motor 6 is operated, the hitting ball repeats the hitting operation, and from the inside of the upper plate 7. Pachinko balls α are repeatedly ejected. Further, the outer rail 10 and the inner rail 11 are fixed to the left side of the game board 2, and the pachinko ball α struck from the upper plate 7 is guided to the upper part of the game board 2 through both the rails 10 and 11. And falls while hitting the plurality of obstacle nails 3.
[0009]
A mechanism board (not shown) made of synthetic resin is fixed to the rear surface of the game board 2. As shown in FIG. 3, a synthetic resin cover 12 is fixed to the rear surface of the mechanism panel, and a main circuit box 13 is fixed to the rear surface of the cover 12. A main circuit board 14 is accommodated in the main circuit box 13, and as shown in FIG. 5, a main control device 15 mainly composed of a microcomputer is mounted on the main circuit board 14.
[0010]
As shown in FIG. 1, a bow-shaped large winning opening base 16 is mounted on the front surface of the game board 2 at the lower end portion. The base 16 is made of a synthetic resin flat plate, and a flange portion 17 is integrally formed on the upper portion of the base 16. The flange 17 has a bow shape protruding forward from the front surface of the game board 2, and the flange 17 is provided with a starting hole 18 a. The symbol Wa indicates the width dimension of the flange portion 17 in the horizontal direction.
[0011]
Movable pieces 18b, 18b are attached to the flange portion 17 so as to be rotatable around the lower end portion. Both the movable pieces 18b are connected to the plunger of the start opening solenoid 19 (see FIG. 5). When the start opening solenoid 19 is disconnected, both the movable pieces 18b are obstructed as indicated by a two-dot chain line. 3, the start hole 18a is closed. In the energized state of the start port solenoid 19, both movable pieces 18b rotate to open the start hole 18a as shown by the solid line. In addition, the code | symbol 18 has shown the electric tulip type starting port comprised from the starting hole 18a and both the movable pieces 18b.
[0012]
Gates 20 are mounted on the front surface of the game board 2, and a gate sensor 21 (see FIG. 5) is mounted on each gate 20. Each of these gate sensors 21 detects that the pachinko ball α has passed through the gate 20 and outputs a passage signal. The main control device 15 detects the passage signal from each gate sensor 21 at a predetermined timing. Then, the start opening solenoid 19 is driven and controlled to rotate both movable pieces 18b. Then, the starting hole 18a is opened for a set time, and the pachinko ball α is allowed to enter the starting hole 18a.
[0013]
A start port sensor 22 (see FIG. 5) is disposed in the collar portion 17, and when the pachinko ball α enters the electric tulip type start port 18, a start signal is output from the start port sensor 22. . Further, as shown in FIG. 1, a normal start port 23 is mounted on the front surface of the game board 2. The normal start port 23 has a saucer shape having a start hole (not shown), and is disposed directly above the electric tulip start port 18.
[0014]
A start port sensor 24 (see FIG. 5) is disposed in the normal start port 23. The start port sensor 24 detects that the pachinko ball α has entered the normal start port 23 and outputs a ball input signal. The main control device 15 receives the ball input signal from the start port sensor 22. Alternatively, when the incoming signal from the start sensor 24 is detected at a predetermined timing, it is determined that the game is a big hit. The above operation is executed by the main control device 15 based on a control program stored in the ROM.
[0015]
As shown in FIG. 4, a door 25a is mounted on the special winning prize opening base 16 so as to be rotatable about an axis 25b. The door 25a is urged in the direction of arrow A by a door spring (not shown), and as shown in FIG. 1, between the left end of the flange 17 and the left end of the door 25a, the flange A gap having a width dimension “Wc (= Wb−Wa / 2)” is formed between the right end part of the door 17 and the right end part of the door 25a, and each gap dimension “Wc” is one time the diameter dimension of the pachinko ball α. Is set to Wb indicates the width of the door 25a in the horizontal direction.
[0016]
As shown in FIG. 4, a big prize opening solenoid 26 is disposed on the rear surface of the game board 2, and a synthetic resin lever 27 is fixed to the plunger 26 a of the big prize opening solenoid 26. The large winning opening solenoid 26 has a built-in solenoid spring (not shown), and the main controller 15 holds the large winning opening solenoid 26 in a disconnected state when no big hit is detected. In this state, the plunger 26a protrudes downward by the spring force of the solenoid spring, and the lever 27 is lowered.
[0017]
An operation portion 25c is integrally formed with the door 25a, and when the lever 27 is lowered as the large winning opening solenoid 26 is turned off, the operation portion 25c is pressed by the lever 27, and the door 25a is a spring of the door spring. It rotates in the direction of the arrow A against the force. The big prize opening base 16 is provided with a big prize hole (not shown). The large winning hole has the same rectangular shape as the door 25a in front view, and the large winning hole is closed by the door 25a when the door 25a is rotated in the direction of the arrow A. In addition, the code | symbol 25 of FIG. 1 has shown the big winning opening comprised from the door 25a and the big winning hole.
[0018]
When the main control device 15 detects a big hit, the main control device 15 supplies power to the big prize opening solenoid 26 and raises the plunger 26a against the spring force of the solenoid spring. Then, the lever 27 is lifted, and the pressing force applied to the operating portion 25c of the door 25a from the lever 27 is eliminated. Therefore, as shown in FIG. 4, the door 25a is rotated in the direction of arrow A by the spring force of the door spring. Then, the big winning hole is opened.
[0019]
As shown in FIG. 1, arc surfaces 17 a and 17 a are formed at the left and right ends of the flange portion 17, and the pachinko balls α are rolled down along the arc surfaces 17 a when the big winning hole is opened. As shown in FIG. 4, the ball is captured by the door 25a and enters into the big winning hole. In addition, a special winning opening sensor 28 (see FIG. 5) is disposed in the special winning hole. The big winning hole sensor 28 detects that the pachinko ball α has entered the big winning hole and outputs a winning signal. The main controller 15 receives the winning signal from the big winning hole sensor 28. Based on the above, the number N of pachinko balls α entered is measured.
[0020]
A specific area sensor 29 (see FIG. 5) is disposed in the special winning hole. The specific area sensor 29 detects that the pachinko ball α has passed through a specific area on the left side of the big prize hole and outputs a passage signal. The main control device 15 receives a signal from the specific area sensor 29. When the passage signal is detected, the door 25a is opened again. When the main controller 15 detects that the number of times the door 25a has been opened reaches the maximum number of times, the main controller 15 determines that the big hit has ended, and the door 25a is opened even if a passing signal from the specific area sensor 29 is detected. Does not resume operation.
[0021]
As shown in FIG. 3, a synthetic resin main set 30 is mounted on the rear surface of the mechanism panel, and a prize ball tank 31 and a tank rail 32 are fixed to the upper end of the main set 30. One end of the tank rail 32 communicates with the prize ball tank 31, and the prize ball tank 31 and the tank rail 32 are filled with pachinko balls α. Also, a prize ball payout case 33 is mounted on the mechanism board, and the pachinko balls α in the prize ball tank 31 roll down from the tank rail 32 into the prize ball payout case 33 and are aligned in the prize ball payout case 33. Filled with.
[0022]
A prize ball payout solenoid 34 (see FIG. 5) is disposed in the prize ball payout case 33, and the main control device 15 drives and controls the prize ball payout solenoid 34 based on the measurement result N of the number of balls entered. . A sprocket (not shown) is rotatably disposed in the prize ball payout case 33. This sprocket is connected to the plunger of the prize ball payout solenoid 34, and when the prize ball payout solenoid 34 is driven and controlled based on the result N of counting the number of balls, the sprocket is rotated a predetermined number of times. The number of pachinko balls α corresponding to the measurement result N is sent downward through the prize ball payout case 33.
[0023]
As shown in FIG. 3, a ball passage 35 is provided in the main set 30. The ball path 35 connects the prize ball payout case 33 and the upper plate 7, and the pachinko balls α sent out from the prize ball payout case 33 are supplied into the upper plate 7 through the ball path 35. The main set 30 is provided with a ball passage 36. The ball passage 36 connects the upper plate 7 and the lower plate 8, and the pachinko balls α overflowing from the upper plate 7 are supplied into the lower plate 8 through the ball passage 36.
[0024]
As shown in FIG. 1, a symbol display device 37 is fixed on the front surface of the game board 2 so as to be positioned immediately above the special winning opening 25. This symbol display device 37 has a synthetic resin decorative frame 37a and a 4-inch liquid crystal screen 37b attached to the decorative frame 37a. The horizontal dimension Wd of the decorative frame 37a is the big prize opening 25. Is set smaller than the width dimension Wb. The symbol display device 37 corresponds to symbol display means.
[0025]
As shown in FIG. 5, the main circuit board 14 is equipped with a display control device 38 mainly composed of a microcomputer. The display control device 38 displays symbols in the left, middle, and right columns of the symbol display device 37. The display control device 38 receives a big hit determination result (big hit signal, miss) from the main control device 15. Signal).
[0026]
When the big hit signal and the off signal are given from the main control device 15, the display control device 38 changes the symbol in the left column, the symbol in the middle column, and the symbol in the right column of the symbol display device 37. When a big hit signal is given, the left column, the middle column, and the right column are stopped at the same symbol, and the player is notified of the big hit. Further, when a disconnect signal is given, one of the left, middle, and right columns is stopped with a different symbol, or two columns are stopped with a different symbol, and the player is notified of the disconnect.
[0027]
According to the above embodiment, since the width dimension Wb of the big prize opening 25 is made larger than the width dimension Wd of the symbol display device 37, the pachinko balls α falling on the left and right sides of the symbol display device 37 are the doors of the big prize opening 25. It becomes easy to be captured by 25a. This makes it easier for the pachinko ball α to enter the big winning hole of the big winning opening 25, so the number of spilling balls can be reduced without significantly changing the layout of the obstacle nail 3 and guiding the pachinko ball α to the center. Is reduced.
[0028]
Further, the collar portion 17 is provided between the special winning opening 25 and the symbol display device 37. For this reason, the pachinko ball α is prevented from entering the central winning opening 25 from the center and passes through a specific area on the left side, so that the opening operation of the large winning opening 25 reaches the maximum number of times. It is prevented that it stops. Moreover, the left and right end portions of the collar portion 17 are biased from the left and right end portions of the big prize opening 25 toward the center portion by the diameter of the pachinko ball α. For this reason, the pachinko balls α falling on the left and right side portions of the flange portion 17 can easily enter the big winning opening 25, and therefore the number of spilling balls due to the influence of the flange portion 17 is prevented.
[0029]
In the above embodiment, the horizontal width dimension of the large winning hole of the large winning opening 25 is set to be substantially the same as the horizontal width dimension of the door 25a. However, the present invention is not limited to this. The horizontal dimension of the winning hole may be set smaller than the horizontal dimension of the door 25a. Even in this configuration, the pachinko balls that fall on both the left and right sides of the symbol display device 37 are captured by the door 25a and enter the big winning hole, so that the number of falling balls is reduced.
[0030]
In the above embodiment, the horizontal width Wb of the special winning opening 25 is set larger than the horizontal width Wd of the symbol display device 37. However, the present invention is not limited to this. You may set equally.
In the above embodiment, the liquid crystal display device 37 is used as the symbol display means. However, the present invention is not limited to this. For example, a cathode ray tube display device, a 7-segment LED display device, or the like may be used.
[0031]
In the above embodiment, the symbol display device 37 having a 4-inch liquid crystal screen 37b is used. However, the present invention is not limited to this. For example, a symbol display device having a 6-inch liquid crystal screen exceeding 4 inches is used. Alternatively, a symbol display device having a liquid crystal screen of less than 4 inches may be used. In particular, when a symbol display device having a 6-inch liquid crystal screen is used, the space occupied by the symbol display device becomes large, and there are circumstances in which the pachinko balls α are extremely biased on both the left and right sides of the game board 2. If the width dimension in the left-right direction of 25 is set to be equal to or larger than the width dimension in the left-right direction of the symbol display device, the pachinko ball α can be effectively picked up by the big prize opening.
[0032]
Further, in the above embodiment, the left end portion and the right end portion of the collar portion 17 are biased from the left end portion and the right end portion of the big prize opening 25 to the center portion by the diameter dimension of the pachinko ball α, respectively. For example, the central portion may be biased by an amount exceeding the diameter dimension of the pachinko sphere α.
Further, in the above embodiment, the difference dimension Wc between the left end portion of the collar portion 17 and the left end portion of the big prize opening 25, and the difference dimension Wc between the right end portion of the collar portion 17 and the right end portion of the big prize opening 25 are as follows. Although set to the same, it is not limited to this, For example, you may make both differ.
[0033]
【The invention's effect】
As is clear from the above description, the pachinko machine of the present invention has the following effects.
According to the measures of claim 1 wherein, the number of winning opening of the horizontal width dimension since the greater than symbol display device equal to or symbol display device, spillage without significantly changing the layout of the nails spheres Less. Moreover, it was biased toward central portion in time about 1 times the diameter of each pachinko balls left and right ends of the visor portion from the right and left end portions of the special winning hole. For this reason, pachinko balls falling on the left and right side portions of the buttock are easy to enter the big prize opening, and therefore the number of spilling balls is prevented from increasing due to the influence of the buttock.
[Brief description of the drawings]
FIG. 1 is a diagram showing an embodiment of the present invention (a diagram showing an enlarged front side of a game board)
FIG. 2 is a front view showing the overall configuration. FIG. 3 is a rear view showing the overall configuration. FIG. 4 is a cross-sectional view showing a state where the special winning opening is installed. FIG. 5 is a block diagram showing an outline of the electrical configuration. Explanation】
2 is a game board, 17 is a buttocks, 25 is a big prize opening, and 37 is a symbol display device (symbol display means).

Claims (2)

A game board in which pachinko balls can roll and a plurality of obstacle nails are driven,
A symbol display device provided on the front surface of the game board,
A front face of the game board is provided below the symbol display device and has a large winning hole into which a pachinko ball can enter and a door for opening and closing the large winning hole, and the width dimension in the left-right direction of the door is A big prize opening equal to or larger than the symbol display device,
A collar portion provided on the front surface of the game board between the winning prize opening and the symbol display device and integrally formed with the winning prize opening;
It is provided at the center in the left-right direction of the collar, and is connected to a start hole, a start port solenoid, and a start port solenoid that can enter a pachinko ball , and the start port solenoid is disconnected. An electric tulip-type starting port having two movable pieces that are in a state of closing the starting hole in cooperation with the obstacle nail based on and being in a state of opening the starting hole based on energization of the starting port solenoid ;
A normal start port in the form of a saucer having a start hole into which a pachinko ball can enter, provided between the start hole of the electric tulip start port and the symbol display device on the front surface of the game board;
An arcuate surface that is provided at the upper end of the buttocks on the left side of the electric tulip start port and descends from right to left;
Provided at the upper end of the buttocks on the right side of the electric tulip starter, and has a circular arc surface that descends from left to right,
The left end of the left arcuate surface is biased from the left end of the door of the grand prize opening to the central part about one time the diameter of the pachinko ball,
The right end portion of the arcuate surface of the rightward, Ri polarized about 1 times the central portion of the diameter of the pachinko ball from the right end of the door of the winning opening,
The door of the grand prize opening is inclined downward from the front to the rear so as to capture the pachinko ball falling from each of the circular arc surfaces and guide it to the big prize hole when the grand prize hole is opened. And
One of the movable pieces of the electric tulip type start opening closes the start hole of the electric tulip type start opening so that the start hole of the electric tulip type start opening does not overlap the left arc surface from above. It is arranged on the left side of the start hole of the electric tulip start port so as to overlap with a part of the left arc surface from above in an open state,
The other movable piece of the electric tulip type start opening closes the start hole of the electric tulip type start opening so that the start hole of the electric tulip type start opening does not overlap the right circular arc surface from above. The pachinko machine is arranged on the right side of the start hole of the electric tulip start port so as to overlap a part of the right circular arc surface from above in an open state . The horizontal width dimension of the big winning hole is set to be substantially the same as the horizontal width dimension of the door or smaller than the horizontal width dimension of the door. Pachinko machine.

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