JP2004008818A - Pachinko game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pachinko game machine which can restrict game balls entering a specified drop port easily and uniformly below the fixed number. <P>SOLUTION: A prize device 16 is provided with a mounting plate 24 having an opening part 26, a ball drop case 29 which is fixed on therear of the mounting plate 24 while having a plurality of drop ports 28 in front of a rear wall 35 formed inside the opening part 26, an opening-closing plate 17 which opens or closes the opening part 26 while guiding game balls dropping above into the opening part 26 when it is opened and an opening-closing drive means 27 for operating the opening or closing of the opening-closing plate 17. It also has a ball detection switch 36 which detects the game balls entering the opening part 26, a specified detection switch 37 which detects the game balls passing through the specified one 28a out of the plurality of drop ports 28 and a blocking member 30 which blocks following game balls into the specified drop port 28a out of the game balls entering the opening part 26 when a specified number of balls pass through the specified drop port 28a. Then, the blocking member 30 is so arranged as to be movable freely between the blocking position above the specified drop port 28a and the unblocking position on one side thereof 28a. A blocking drive means 31 for driving the blocking member 30 is arranged horizontally in the rear side of the rear wall 35 near the upper side of the specified detection switch 37. <P>COPYRIGHT: (C)2004,JPO

Description

  BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball-and-ball game machine such as a pachinko machine and an arranged ball machine, and in particular, to a winning device thereof.

Conventionally, in a ball-and-ball game machine such as a pachinko machine, an opening / closing plate is provided on the front side of an opening divided into a plurality of falling ports as a prize device mounted on a game board, and this opening / closing plate is used as a It is configured to be opened and closed by opening and closing drive means, and when a predetermined condition is satisfied, the opening and closing drive means operates to open the opening and closing plate to the front side, and the game ball falling from above to the drop opening in the opening by the opening and closing plate. There is something to guide.

  This type of winning device includes a ball detection switch that detects a game ball that has won a prize in the opening, and a specific detection switch that detects a game ball that has entered a specific drop port among a plurality of drop ports, When a predetermined number of game balls enter the opening, the opening / closing drive means operates in response to the detection signal of the ball detection switch, and the opening / closing plate closes the opening. Also, if the game ball passes through a specific drop during the opening and closing operation of the open / close plate once, the open / close plate is opened again by the detection signal of the specific detection switch to guide the game ball into the opening, and so on. Is repeated a predetermined number of times.

In the conventional prize winning device, since the game ball falling from above is guided to each drop hole in the opening by the opening / closing plate, the probability that the game ball winning the opening passes through the specific drop port is determined by the It depends on the falling position when the game ball falls.

On the other hand, if a game ball passes through a specific drop hole in the opening, a large number of game balls will be returned to the player as prize balls, and therefore, of the game balls winning in the opening, the game ball is specified. There is a rule that the probability of passing through a falling port must be limited to a certain value or less.

Therefore, conventionally, on the upper side of the winning device, a plurality of obstacle nails are arranged so as to limit the probability that a game ball enters a specific dropper to a certain level or less, and the arrangement of the plurality of obstacle nails, By adjusting the spacing between the nails, the probability is kept below a certain level.

Therefore, conventionally, there is a disadvantage that the determination of the arrangement of the obstacle nails on the upper side of the winning device or the subsequent adjustment of the interval between the obstacle nails becomes very troublesome. Even if it is possible to arrange or adjust obstacle nails that can be limited to a certain level or less, the game balls during the game move irregularly, so if you see each ball game machine individually, a specific drop There is a problem that a game ball can easily enter the mouth, and there is a problem that the probability cannot always be uniformly and reliably limited to a certain value or less for all ball game machines manufactured in large quantities.

In view of the above-described conventional problems, an object of the present invention is to provide a ball game machine capable of easily and uniformly restricting game balls entering a specific dropping port to a certain value or less.

  The present invention relates to a ball game machine provided with a prize device 16 on the game board 5, wherein the prize device 16 has an opening 26 and is mounted on a front surface of the game board 5; A ball drop case 29 fixed to the back side of the plate 24 and having a plurality of drop ports 28 formed in the front side of the rear wall 35 in the left and right direction inside the opening 26, and the opening 26 is opened and closed and opened An opening / closing plate 17 for guiding a game ball falling from above at the time of opening into the opening 26, an opening / closing drive means 27 for opening / closing the opening / closing plate 17, and detecting a game ball winning in the opening 26 A ball detection switch 36, a specific detection switch 37 for detecting a game ball passing through a specific drop port 28a among the plurality of drop ports 28, and a protruding front side from the rear wall 35 and inside the opening 26. When a predetermined number of game balls among the game balls that have won the game pass through the specific drop port 28a, the specific drop port 28a And a blocking member 30 for blocking a subsequent game ball from being moved to a position where a blocking position on the specific drop port 28a is released and a blocking release position on one side of the specific drop port 28a. Between the blocking position and the blocking release position. The blocking driving means 31 moves the blocking member 30 back and forth between the blocking position and the blocking releasing position. It is arranged on the rear side in the left-right direction.

  According to the present invention, the arrangement of obstacles or the adjustment of the probability by adjusting the distance between the obstacles as in the prior art is not required at all, and the game balls to the specific falling port 28a can be easily and uniformly provided. It can be restricted below a certain level.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 9 shows an overall view of the pachinko machine. In FIG. 9, reference numeral 1 denotes a front frame, which is pivotally attached to the front side of the machine frame 2 so as to be freely opened and closed. A glass door 3 and a front plate 4 are attached to the front frame 1, and a game board 5 is detachably attached to the rear side.

  On the front of the game board 5, a guide rail 6 for guiding the fired game balls is provided, and in addition to obstacle nails, prize holes 7 to 13, a symbol display device 14, a start gate 15, a prize device 16 and various types of An indicator lamp is provided for each.

  The symbol display device 14 has an opening / closing display portion 18 for displaying the number of times the opening / closing plate 17 of the winning device 16 is opened and closed, and three symbol display portions 19 arranged below the opening / closing display portion 18. Different types of symbols, for example, numeric symbols from 0 to 9 are segment-displayed.

The starting gate 15 is for starting the fluctuation of the symbol display device 14 and is arranged above the symbol display device 14. The winning device 16 is a so-called big hit, and when the stop symbol after the change of each symbol display unit 19 of the symbol display device 14 displays a preset hit symbol, the opening / closing plate 17 operates in the open state. It has become.

上 An upper plate 20 is mounted on the front plate 4, and a ball release lever 21 is provided at a front edge of the upper plate 20. A lower plate 22 and an operation handle 23 for a launching device are provided at the lower portion of the front frame 2. When the operation handle 23 is operated, game balls are supplied from the upper plate 20 to the launching unit one by one, and The ball is fired along the guide rail 6 by the operation of the firing motor.

The winning device 16 is incorporated together with the winning openings 12 and 13. The game board 5 is provided with a mounting plate 24 as shown in FIGS. 1 to 8, and a winning device 16 is provided at the center of the mounting plate 24, and winning ports 12 and 13 are provided on both sides thereof. In addition, a ball entry detection switch 25 is detachably attached to each of the winning ports 12 and 13 from behind the mounting plate 24.

  The winning device 16 includes a rectangular opening 26 formed in the mounting plate 24, an opening / closing plate 17 for opening and closing the opening 26, an opening / closing drive unit (solenoid) 27 for opening and closing the opening / closing plate 17, A ball drop case 29 forming three drop ports 28 in the directions, a blocking member 30 for blocking game balls from entering a specific drop port 28a of the drop ports 28, and the blocking member 30 It comprises a blocking drive means (solenoid) 31 for reciprocatingly driving in the left-right direction and a number display section 32.

On the back side of the mounting plate 24, as shown in FIG. 3, left and right side walls are disposed outside the opening 26, and a U-shaped upper peripheral wall 33 having a downward opening is provided. A protruding boss 34 is provided, and a base plate (rear wall) 35 of the ball drop case 29 is fixed to a rear end of the boss 34 with a screw.

The ball drop case 29 includes, as shown in FIGS. 1 and 4, an opening / closing drive unit 27 for opening and closing the opening / closing plate 17, a blocking drive unit 31 for driving the blocking member 30 in the lateral direction, and an opening 26. A ball detection switch 36 that detects a game ball that has entered the ball, and a specific detection switch 37 that detects a game ball that has fallen to a specific drop port 28a among the plurality of drop ports 28 are provided.

On the front side of the base plate 35, as shown in FIG. 3, a lower peripheral wall 38 and a right side plate 39 for forming a rectangular recess behind the opening 26, and the rectangular recess is divided into three drop openings 28. The individual partition portions 40 and the guide passages 41 of the winning openings 12 and 13 project forward.

The bottom wall 42 of the lower peripheral wall 38 is inclined so that the left side is downward, and the left end thereof communicates with the opening 43 of the mounting plate 24, and the game balls entering each of the drop openings 28 are It is to be guided to the rear side of the board 5. Note that a ball detection switch 36 is provided behind the opening 43. A specific detection switch 37 is detachably inserted from the rear side between the left and right partition portions 40 at the center specific drop port 28a of the three drop ports 28.

As shown in FIGS. 1, 3, and 6, the blocking member 30 is provided above the specific detection switch 37 so as to be movable in the left-right direction. The blocking member 30 prevents one of the game balls winning in the opening 26 from passing through the specific drop port 28a so that subsequent game balls do not enter the specific drop port 28a. The reciprocating movement in the left-right direction can be performed by the driving of the blocking driving means 31 between a blocking position on a specific drop opening 28a and a blocking release position on one partition 40.

The blocking member 30 is shaped like a bar having a triangular cross section with a sharp front end, and the rear end of the blocking member 30 is connected to a sliding member 44 supported movably in the left and right direction on the back side of the base plate 35 through the opening of the base plate 35. Have been. In addition to the sliding member 44, the opening / closing drive unit 27, the blocking drive unit 31, and the ball detection switch 36 are supported between the base plate 35 and the back plate 45 fixed to the back side of the base plate 35 with screws. I have.

The movable iron core 46 of the blocking drive means 31 projects rightward and is urged rightward by a spring 47, and the right end thereof is detachably connected to the sliding member 44. The movable iron core 48 of the opening / closing drive means 27 projects downward and is urged downward by a spring 49, and its lower end is detachably connected to an elevating member 50 for opening and closing the opening / closing plate 17.

The opening / closing plate 17 is pivotally supported by pivots 51 on both lower sides so as to be swingable in the front-rear direction, and guides a game ball falling from above to the opening 26 when the opening 26 is opened. It has become. Each pivot 51 is inserted between the mounting plate 24 and the left side wall 38a of the lower peripheral wall 38 and the front end of the right side plate 39 to be rotatably supported.

  The opening / closing plate 17 has side ribs 52 on both left and right sides, and the side ribs 52 are provided with stopper portions 53 that come into contact with the mounting plate 24 when the opening / closing plate 17 is opened. A plurality of reinforcing ribs 54 are provided at substantially equal intervals inside the side ribs 52, and a pair of left and right reinforcing ribs 55 at the center thereof are arranged so as to guide the game ball to a specific drop port 28a. , In the front-rear direction.

The lifting member 50 is supported on both sides by a guide plate 56 projecting from the base plate 35. As shown in FIG. 7, a connecting rod 57 extending upward through a guide hole of the base plate 35 is provided at a front end of the elevating member 50. A notch 59 is provided for engaging a pin 58 protruding from the rib 52.

The number display section 32 is for displaying the number of game balls that have entered the opening 26, and is provided on the front side of a fixed plate 60 fixed to the back side of the base plate 35, as shown in FIG. I have. As shown in FIG. 8, LEDs 61 are provided on both sides of the numeral display section 32, respectively. It should be noted that outlets 62 for winning ports 12 and 13 are provided on the left and right sides on the back side of the base plate 35, respectively.

  Next, the operation of the above configuration will be described. Normally, the blocking drive means 31 and the opening / closing drive means 27 are each in a demagnetized state, and the sliding member 44 is urged rightward and the elevating member 50 is urged downward by springs 47 and 49, respectively. For this reason, the blocking member 30 is located at a blocking position on a specific drop port 28a as shown by a solid line in FIGS. The opening / closing plate 17 is in a closed position rising upward from the pivot 51 as shown by a solid line in FIG. Therefore, a game ball falling from above only passes down in front of the opening and closing plate 17 and falls downward.

When a game ball enters the start gate 15 during the game and the symbol display device 14 is operated, and the symbol of each symbol display unit 19 fluctuates for a certain time and stops, when the stopped symbol becomes a predetermined hit symbol. The blocking drive means 31 and the opening / closing drive means 27 of the winning device 16 are respectively excited, and the movable iron cores 46, 48 are opposed to the springs 47, 49, as shown by arrows a and b in FIGS. Move in each direction.

  As a result, the sliding member 44 moves to the left, and the blocking member 30 moves to the blocking releasing position on one of the partitions 40 as shown by the phantom line in FIGS. Open. On the other hand, the elevating member 50 rises upward, and the connecting rod 57 raises the lower end side of the side rib 52 of the opening / closing plate 17, so that the opening / closing plate 17 rotates around the pivot 51 in the direction indicated by the arrow c in FIG. The opening 26 is opened as shown by a virtual line.

と When the open / close plate 17 is opened, the game ball falling from above is received by the open / close plate 17 and guided to the opening 26 side. Then, the game ball that has entered the opening 26 enters any of the three drop openings 28 inside the game ball.

(4) When one game ball enters the specific falling port 28a, the game ball is detected by the specific detection switch 37, and the blocking drive means 31 is demagnetized by the detection signal. When the blocking drive means 31 is demagnetized, the movable iron core 46 and the sliding member 44 are moved rightward by the spring 47, so that the blocking member 30 is located at the blocking position on the specific drop port 28a, and thereafter the subsequent game ball From entering a particular drop 28a.

At this time, the player can visually check the game ball that has entered the specific drop port 28a from the opening 26 side, and confirms that the blocking member 30 is located at the blocking position on the specific drop port 28a, It is possible to determine whether or not a game ball has entered a specific drop port 28a.

The game balls entering each drop opening 28 move to the left end along the bottom wall 42 of the lower peripheral wall 38, are guided to the rear side of the game board 5 from the opening 43 of the base plate 35, and are detected by the ball detection switch 36. You. When the ball detection switch 36 detects ten game balls, the open / close drive means 27 is demagnetized by the detection signal. When the opening / closing drive means 27 is demagnetized, the movable iron core 48 and the elevating member 50 are lowered by the spring 49, and the opening / closing plate 17 is rotated around the pivot 51 in the direction indicated by the arrow c via the connecting rod 57, thereby closing the opening 26. close.

As described above, when one game ball enters the specific drop port 28a, the blocking member 30 is located at the blocking position on the specific drop port 28a, and the subsequent game balls fall from the drop ports 28 on both sides. Therefore, of the ten game balls that have entered the opening 26, the number of game balls that enter the specific falling port 28a is one or less, and the probability is uniformly and reliably one-tenth or less.

If a game ball enters a specific drop opening 28a while the opening / closing plate 17 performs one opening / closing operation, after the opening / closing plate 17 closes one end of the opening 26, the opening / closing driving means 27 and the blocking driving means 31 are immediately turned on. Upon excitation, the upper part of the opening / closing plate 17 and the specific drop opening 28a is opened, and the same operation is repeated up to 16 times. The number of times the opening / closing plate 17 is opened / closed at this time is displayed on the opening / closing display section 18 of the symbol display device 14.

In the above embodiment, the winning device 16 of the pachinko machine has been described, but the present invention is not limited to the pachinko machine or the winning device 16, and it goes without saying that the present invention can be similarly applied to an arrangement ball machine and the like. Further, the number of game balls when closing the opening / closing plate 17 may be 9 or less or 11 or more, and the number of game balls when moving the blocking member 30 may be 2 or more. Good.

It is a plane sectional view of a winning device showing an example of the present invention. It is a top view of a winning device showing one example of the present invention. FIG. 2 is a sectional view taken along line AA of FIG. 1. FIG. 2 is a sectional view taken along line BB of FIG. 1. It is CC sectional view taken on the line of FIG. FIG. 2 is a sectional view taken along line DD of FIG. 1. FIG. 2 is a sectional view taken along line EE of FIG. 1. FIG. 2 is a sectional view taken along line FF of FIG. 1. It is a front view of the pachinko machine which shows one Example of this invention.

Explanation of reference numerals

5 Game board 16 Winning device
17 Opening / closing plate 24 Mounting plate
26 opening
27 Opening / closing drive means
28 Fall
28a Specific drop port 29 Ball drop case
30 Blocking member 31 Blocking drive means
35 back wall
36 Ball detection switch
37 Specific detection switch

Claims (1)

In a ball game machine provided with a prize device (16) on a game board (5), the prize device (16) has an opening (26) and is mounted on a front surface of the game board (5). A plate (24) and a plurality of drop openings (28) formed in the left and right direction on the front side of the rear wall (35) inside the opening (26) and fixed to the back side of the mounting plate (24). A ball drop case (29), an opening / closing plate (17) for opening and closing the opening (26) and guiding a game ball falling from above when in the open state into the opening (26); Opening / closing drive means (27) for opening and closing the plate (17), a ball detection switch (36) for detecting a game ball won in the opening (26), and a plurality of the drop openings (28). A specific detection switch (37) for detecting a game ball passing through a specific drop opening (28a), and a game ball protruding forward from the rear wall (35) and winning in the opening (26), When a predetermined number of game balls have passed through the specific drop port (28a) And a blocking member (30) for blocking a subsequent game ball to the specific drop port (28a), wherein the blocking member (30) is positioned at a blocking position on the specific drop port (28a). The specific drop port (28a) is provided so as to be movable in the left-right direction between the blocking release position on one side and the blocking member (30) is reciprocated between the blocking position and the blocking release position. A ball game machine characterized in that a blocking drive means (31) is arranged in the left-right direction on the rear side of the rear wall (35) near the upper side of the specific detection switch (37).

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