JP2002113173A - Pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a PACHINKO machine capable of preventing generation of noise with passing of game ball through a back ball preventing member in the PACHINKO machine equipped with the back ball preventing member. SOLUTION: A back ball preventing member 32 is provided with an elastic slice 83 having conductivity and this elastic slice 83 and an outer rail 30 are electrically connected by the elastic slice 83 having conductivity. Thus, since the elastic slice 83 of the back ball preventing member 32 and the outer rail 30 can be made to the same potential, noises can be prevented from being generated when passing through the elastic slice 83 after the game ball passes on the outer rail 30 and further, the malfunction of a control circuit board (such as play control board) with noise generation can be prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a firing rail for firing game balls on a game area formed on a game board, and an outer rail for guiding game balls fired from the firing rail to the game area. A rail, an inner rail forming the game area together with the outer rail, and a back ball preventing member for preventing a ball once entering the game area from returning to the firing position by rebound. It relates to a ball-and-ball game machine.

[0002]

2. Description of the Related Art Conventionally, on the surface of a game board of a ball game machine,
A guide rail (consisting of an outer rail and an inner rail) is attached in a circular spiral shape, and the inside of the guide rail is set as a game area, and a shot ball shot is dropped. The hit ball sent to the guide rail has been sent to the guide rail by hitting a game ball on the launch rail with a hit ball launching device. In addition, a back ball preventing member for preventing a ball once hit into the game area from re-entering the guide rail by rebound is provided at a tip portion of the guide rail.

[0003]

By the way, in the conventional guide rails (outer rail, inner rail), the firing rail and the back ball preventing member, the electric potential of the back ball preventing member is, in particular, set to the induction rail or the firing rail. The configuration was not set to the same potential. For this reason, when a game ball is fired, noise due to static electricity is generated when the charged game ball passes through the shooting rail or the guide rail and then passes through the back ball prevention member. In addition, there is a possibility that a control circuit board such as a game control circuit board for controlling a game operation may malfunction due to the generation of such noise. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a ball game machine equipped with a back ball preventing member, in which a game ball generates noise due to passing of the back ball preventing member. It is an object of the present invention to provide a ball-and-ball game machine capable of preventing the problem.

[0004]

In order to achieve the above object, according to the first aspect of the present invention, a firing rail for firing a game ball to a game area formed on a game board, and a firing rail for firing from the firing rail. An outer rail for guiding the played game ball to the game area, an inner rail forming the game area together with the outer rail, and a back ball in which the ball once invading the game area returns to the firing position direction by rebounding. Back ball prevention member for preventing the ball, the back ball prevention member has a ball contact portion having conductivity, the ball contact portion and the outer rail conductive. It is characterized by being electrically connected by an outer rail conductive member. With this configuration, the ball contact portion of the back ball preventing member and the outer rail can be set to the same potential, so that noise generation when the game ball passes through the ball contact portion after passing through the outer rail is prevented. Thus, malfunction of the control circuit board due to noise generation can be prevented.

According to a second aspect of the present invention, the ball contact portion and the inner rail are electrically connected by an inner rail conductive member having conductivity. With this configuration, the ball contact portion and the inner rail can be set to the same potential, so that noise can be prevented even when the game ball moves from the ball contact portion to the inner rail.

In the invention according to claim 3, the outer rail and the inner rail are electrically connected by conductive inner and outer rails, and the inner and outer rails are provided on the game board. It is characterized by comprising a conductive sheet member. With this configuration,
By simply attaching the outer rail and the inner rail to the game board, the outer rail and the inner rail can be easily electrically connected.

Further, in the invention of claim 4, a firing rail for firing a game ball to a game area formed on a game board, and a game ball fired from the firing rail are guided,
A ball game machine comprising: a guide rail forming the game area; and a back ball prevention member for preventing a back ball from returning to the firing position again by a ball that has once entered the game area by bouncing. Back ball prevention member,
A ball contact portion having conductivity is provided, and the ball contact portion and the firing rail are electrically connected by a conductive rail conductive member having conductivity. With this configuration, the ball contact portion of the back ball prevention member and the firing rail can be set to the same potential, so that noise generation when the game ball passes through the ball contact portion after passing through the firing rail is prevented. Thus, malfunction of the control circuit board due to noise generation can be prevented.

According to a fifth aspect of the present invention, the ball contact portion and the guide rail are electrically connected by a conductive guide rail member having conductivity. With this configuration, the ball contact portion and the guide rail can have the same potential, so that the firing rail, the guide rail,
Also, by setting all of the firing paths of a series of balls including the back ball preventing member to have the same potential, it is possible to reliably prevent the generation of noise when passing through the ball contact portion.

Further, in the invention according to claim 6, a ball provided with a back ball preventing member for preventing a ball that has entered a game area formed on the game board from returning to the firing position again by rebounding. In the gaming machine, the back ball preventing member includes a ball contact portion having conductivity, and the ball contact portion is grounded by a grounding conductive member. With this configuration, the ball contact portion of the back ball preventing member is grounded, so that when a game ball contacts the ball contact portion, static electricity is absorbed from the ball contact portion, thereby preventing noise generation. Thus, malfunction of the control circuit board due to noise generation can be prevented.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. First, the overall configuration of the ball game machine 1 will be described with reference to FIGS. FIG.
FIG. 2 is a front view of the ball game machine 1 according to the embodiment, and FIG.
1 is a rear view of the ball game machine 1. FIG.

The ball game machine 1 has an outer frame 2 formed in a vertically elongated rectangular shape, and is pivotally supported by one side of the outer frame 2 so as to be openable and closable. The front frame 3 is provided in a collective manner, and includes a front frame 3 in which a game board 16 described later is accommodated and fixed, and a front opening / closing frame 4 provided on the front surface of the front frame 3 so as to be openable and closable. The main components provided on the front frame 3 include the above-described front opening / closing frame 4, a game board 16, an upper plate 6 having a prize ball opening 6a, a lower plate 7 including an ashtray 8, an operation handle 9, a mechanism plate. 40 and others. Also,
In the illustrated embodiment, a card unit device 11 as a unit device for renting out game balls to a player is attached to the side of the ball game machine 1.

The front opening / closing frame 4 is provided with a circular see-through window 5 capable of substantially seeing through a game area 22 of a game board 16 to be described later, and a transparent glass plate 10 from the back of the circular see-through window 5 on which the multilayer glass plate 10 is mounted. A plate holding portion 4a and an upper plate portion 4b to which a hit ball to be fired is stored and to which an upper plate 6 for supplying the hit ball to the firing position are attached are integrally formed of synthetic resin. Also, various lamps 21 are provided along the outer periphery of the circular see-through window 5 of the front opening and closing frame 4, and speakers 23 for generating sound effects according to the progress of the game are provided on the left and right of the upper opening and closing frame 4. Is provided.

The card unit device 11 is operated by operating an operation unit (not shown) provided on the upper surface of the upper plate 6. Thus, the card unit device 11 has a usable indicator 12 for displaying whether the card unit device 11 is in a usable state and whether the card unit device 11 is compatible with the ball game machine 1 on which side. A link stand direction indicator 13 for displaying information and a card insertion slot 14 for inserting a magnetic card as a recording medium are provided.

On the other hand, as shown in FIG. 2, a mechanism plate 40 equipped with various mechanisms for paying out a predetermined number of prize balls based on the occurrence of a prize ball is provided on the back surface of the ball game machine 1. And on the back surface corresponding to the operation handle 9,
A ball launching device 24 having a stepping motor 25 and a ball hammer (not shown) is fixed. A prize ball payout device 26 for paying out a prize ball mainly based on a prize is attached to the rear surface of the mechanism plate 40, and a prize ball payout device is provided below a mounting position of the prize ball payout device 26. 26
An upper plate communication port 27 is formed to guide the balls paid out from the upper plate 6 to the prize ball opening 6a of the upper plate 6. A game control board box 28 for accommodating a circuit board for controlling a game operation is attached to the back surface of the mechanism plate 40.

Next, the front structure of the game board 16 will be described with reference to FIG. The game board 16 has a game board housing rib (not shown) formed integrally on the back side of the front frame 3.
A decorative veneer 16a (see FIGS. 4 (A) and 4 (B)) for decoration, on which an illustration or the like is drawn, is laid on the entire surface thereof. A guide rail (consisting of an outer rail 30 and an inner rail 31) is mounted on the face of the decorative board 16a in a circular spiral shape, and the inside of the guide rail is formed as a game area 22, and a shot ball that is shot falls. Things. The ball fired from a firing rail 39 described later is the outer rail 3
It is guided along the inside of 0 to the game area 22 partitioned by the outer rail 30 and the inner rail 31. In the illustrated example, the game area 22 is provided with a starting winning opening 19 that allows variable display of the drum-type variable display device 17, the variable prize ball device 18, and the drum-type variable display device 17, and the player can simply hit a ball. Winning area (no symbol), a windmill or a large number of obstacle nails for changing the direction of flow and the speed of the hit ball,
At the bottom of 2, an out port 20 is provided for taking in a ball that does not win any winning area. Also,
A back ball preventing member 32 is provided at the upper left end of the inner rail 31 to prevent a ball that has once entered the game area 22 from returning to the firing position by rebounding, and an upper right end of the inner rail 31 is provided. A decorative member 33 for decoratively covering the connected portion is provided at a connecting portion between the outer rail 30 and the right end portion of the outer rail 30. In addition, ball receiving rubber or the like is provided in the decoration member 33.

The front frame 3 on which the game board 16 is mounted.
Is integrally molded from a synthetic resin.
As shown in the figure, the front opening / closing frame corresponding plate portion 3a corresponding to the upper front opening / closing frame 4 and the lower plate corresponding plate 3b corresponding to the lower tray 7, the ashtray 8 and the operation handle 9 are constituted.
The front opening / closing frame corresponding portion 3a and the lower plate corresponding plate portion 3b are formed with a slight step, and an opening 34 facing the game area 22 of the game board 16 is provided substantially at the center of the front opening / closing frame corresponding portion 3a. Has been established.

A lamp substrate 21a on which the various lamps 21 described above are mounted is mounted on the front side of the front opening / closing frame corresponding portion 3a and around the opening 34. Hinge storage recesses 36 for storing and fixing the connection hinges 35 are formed on the upper and lower sides of the front opening / closing frame corresponding plate portion 3a. The connecting hinge 35 pivotally supports the front opening / closing frame 4 so as to be freely opened and closed. The lower part of the front opening / closing frame corresponding plate portion 3a is formed as a plate-like support plate portion 37, and the support plate portion 3
7, a guide box member 38 and a firing rail 39 are provided.
And are attached. On the upper side of the support plate portion 37 (the side on which the guide box member 38 is attached), the prize ball opening 6a of the upper plate 6 and the upper plate communication port 2 of the mechanism plate 40 are provided.
7 is formed, and an upper plate outflow opening 29 communicating with the upper plate 7 is formed.

The guide box member 38 has an overflow ball entrance 41 for receiving award balls overflowing from the upper plate outflow opening 29 when the front opening / closing frame 4 is opened, and a foul ball opening 42.
And a ball removal inlet 43 for receiving a ball removed from the upper plate 6. Balls flowing from the respective inlets 41 to 43 are taken into a discharge port 44 formed in the support plate portion 37, and The guide is guided to the lower plate 7 via a guide gutter part of a connection gutter (not shown) fixed to a lower portion of the back surface of the frame 3.

The shooting rail 39 places hitting balls supplied from the upper plate 6 and supplied one by one from a ball feeding member (not shown) at a firing position at a downstream end thereof. A ball hit by a hitting hammer (not shown) is guided to a guide rail of the game board 16. In addition, it is the bottom surface which constitutes the step part of the support plate part 37,
A hitting hammer opening 45 facing the hitting hammer described above is formed in a corresponding portion on the downstream side of. In addition, launch rail 3
9 is located between the upstream end of the game board 9 and the downstream end of the guide rail of the game board 16, and a ball that runs backward on the guide rail without reaching the game area 22 passes through the foul ball mouth 42. The guide box member 38 is guided through the guide box member 38. On one side of the upper side of the guide box member 38, a triangular firing ball guide plate 46 is provided so as to protrude therefrom.
6 is a double-glazed glass sheet running on the downstream end of the guide rail.
It is guided so as not to collide with 0.

The front structure of the front opening / closing frame corresponding plate portion 3a of the front frame 3 is substantially as described above, but the lower plate corresponding plate portion 3b is provided.
, A surplus ball discharge port 47 is opened substantially in the center, a recess 48 for an ashtray is formed on the pivot side, and a wiring hole 49 is formed on the open side. The surplus ball discharge port 47 is an opening for paying out extra prize balls to the lower plate 7, and the ashtray concave portion 48 is for allowing the ashtray 8 to perform a rotating operation. Reference numeral 49 denotes an opening through which wiring of various switches provided inside the operation handle 9 passes through the back side of the front frame 3.

Next, the outer rail 30, the inner rail 31, and the firing rail 39 will be described with reference to FIGS. 3 and 4A and 4B. The outer rail 30, the inner rail 31, and the firing rail 39 are each made of a conductive member (metal in the embodiment), and the respective rails 30 and 39 are interposed between the outer rail 30 and the firing rail 39. A conductive metal connecting piece 50 is provided between the outer rail 30 and the inner rail 31, and a conductive metal connecting piece 51 for connecting the rails 30 and 31 therebetween is provided. ing. Specifically, as shown in FIG.
It has a substantially C shape, and its lower end portion extends to the position where the firing ball guide plate 46 is arranged, and is bent in an inverted letter shape to form a contact surface portion 30a. As shown in FIG. 4A, the contact surface portion 30a is disposed at a boundary between the game board 16 and the support plate portion 37 of the front frame 3, and is in contact with the upper contact surface portion 50a of the metal connection piece 50. Is done. The metal connecting piece 50 includes a base 50c extending in the vertical direction, and the base 50c.
The upper contact surface portion 50a is bent to the left from the upper end at an angle of slightly more than 90 °, and the lower contact surface portion 50b extends rightward from the lower end of the base portion 50c. And
The lower contact surface 50b of the metal connecting piece 50 is
The outer rail 30 and the firing rail 39 are connected via the metal connecting piece 50 by being jointly fastened to the left end portion of the base rail with the screw 52.

The contact surface 30a of the outer rail 30 is
The game board 16 is horizontally extended with the game board 16 attached to the front frame 3. For this reason, the base 50c of the metal connection piece 50
Is attached along the vertical direction, so that the upper contact surface portion 50a bent at an angle of slightly more than 90 ° from the base portion 50c surely comes into contact with the contact surface portion 30a. However,
The metal connection pieces 50 are attached to the front frame 3 before the game board 16 is attached to the front frame 3. For this reason, the contact surface portion 30a of the outer rail 30 and the upper contact surface portion 50a of the metal connection piece 50 come into contact at the same time by performing the work of attaching the game board 16 to the front frame 3. I have.

On the other hand, the right end of the outer rail 30 is connected to the upper right end of the inner rail 31 by the decorative member 33, as described above. As shown in FIG.
1 are provided. The metal connection piece 51 is formed by bending a metal piece into a U-shaped cross section, and the left and right bent portions become contact surface portions 51a and 51b with the rails 30 and 31. And each rail 3
The outer rail 30 and the contact surface 51a are in contact with each other, and the inner rail 31 and the contact surface 51b are in contact with each other because the metal connecting piece 51 is interposed in the portion where the first and second 0.31 oppose each other. Thereby, the outer rail 30 and the inner rail 31 are connected via the metal connecting piece 51. In addition, the outer rail 30 and the inner rail 31 are respectively set up vertically on the game board 16 surface. On the other hand, the contact surface 51a of the metal connection piece 51
51b is bent in a C-shape slightly inclined outward. Therefore, the metal connecting piece 51 is provided between each of the rails 30 and 31.
The contact surface portion 5 bent in a C-shape by interposing
1a and 51b surely come into contact with each rail 30 and 31. In the connection state between the outer rail 30 and the inner rail 31, the decorative member 33 is provided with a housing recess 33 a formed on the rear surface side (the game board 16 surface side).
Each of the rails 30 and 31 and the metal connection piece 51 are accommodated and fixed in a fitted state. Thereby, the connection between the rails 30 and 31 via the metal connection piece 51 can be firmly fixed, and the connection can be protected from the outside.

Thus, the outer rail 30, the inner rail 31, and the firing rail 39 are connected to the respective metal connecting pieces 50/5.
1 and are electrically connected to each other via the first, that is, the same potential state. As shown in FIG. 3, a ground wire 60 is connected to the right end of the firing rail 39, whereby the rails 30, 31, and 39 are grounded (grounded). However, such a ground wire 60
Need not necessarily be provided. The back ball preventing member 32 attached to the upper left end portion of the inner rail 31 is provided with an elastic thin piece 83 (metal in the embodiment) which will be described later.
It comes to contact with. Thereby, the outer rail 30
And the elastic thin piece 83 is electrically connected. Although described later, the elastic thin piece 83 is also electrically connected to the inner rail 31.

Therefore, the detailed structure of the back ball preventing member 32 will be described with reference to FIGS. The configuration of the game area 22 is substantially the same as that described above, but the game board 16 further includes an inner rail 3 as shown in FIG.
A positioning hole 80 for positioning and fixing the back ball preventing member 32 and a fastening hole 81 are formed inside the upper left end of the first ball 1. Two positioning holes 80 are formed with the fastening hole 81 interposed therebetween. As shown in FIGS. 5A and 5B, the back ball preventing member 32 attached to the positioning hole 80 and the fixing hole 81 is attached to the attachment holder 82 attached to the game board 16 and the attachment holder 82. And an elastic thin piece 83 made of metal.

The mounting holder 82 has a boat-like shape with a pointed tip having substantially the same thickness as the width of the inner rail 31 (the height from the game board 16), and penetrates vertically through the center thereof. Screw holes 84 are formed, and positioning bosses 85 project downward from both ends of the bottom surface. By engaging the positioning boss 85 with the positioning hole 80, the accuracy of mounting the back ball preventing member 32 to the game board 16 is ensured and the ease of mounting is also ensured. Is done. However, in the present embodiment, as described below, the accuracy and ease are further improved by the engagement between the rail engagement groove 87 formed in the rail engagement portion 86 and the upper edge of the inner rail 31. Will be increased. The screw hole 84 corresponds to the fixing hole 81, and the back ball preventing member 32 is fixed to the game board 16 by screwing a screw 88 with an automatic machine or a robot.

One of the two side surfaces of the mounting holder 82 is a gentle curved surface 89 (hereinafter, this curved surface is referred to as a rail contact curved surface 89) matching the curvature of the inner rail 31, while the other is a front end. It is configured as a curved surface 90 whose curvature increases toward the upper end (hereinafter, this curved surface is referred to as a flank abutting curved surface 90). The rail contact curved surface 89 is formed over substantially the entire length of the mounting holder 82, whereas the lamella contact curved surface 90 is terminated by a notch 91 formed from the rear end (lower end). ing.

A rail engaging portion 86 having a rail engaging groove 87 formed along the upper surface edge of the rail contact curved surface 89 is formed so as to protrude toward the side. 16 when the rail engaging groove 87 is fixed.
Can be fitted to the upper edge of the inner rail 31. Thereby, the accuracy and ease of attaching the back ball prevention member 32 to the game board 16 are further increased.
A notch recess 92 is formed at the center of the bottom surface of the rail contact curved surface 89.
Is formed. This notched concave portion 92 is formed in the inner rail 31.
Is fixed to the game board 16 to accommodate the head of the rail fixing pin 93 projecting left and right at the base of the inner rail 31, whereby the mounting holder 82 is brought into close contact with the inner rail 31. It can be attached.

On the other hand, at the rear end of the flank abutment curved surface 90 side,
The notch 91 is formed as described above, and this notch 91
A thin section mounting space 94 is formed at the rear end of the mounting holder 82 so as to be continuous with the above. This thin section mounting space 94
As shown in the inverted drawing of FIG. 5 (B), it is formed in a substantially U-shape, and a later-described winding portion 95 of the elastic thin piece 83 is formed.
Are stored in close contact with each other. A boss 96 is provided at the center of the thin piece mounting space 94 to prevent the mounted elastic thin piece 83 from coming off. Note that the flank abutting curved surface 90 may be formed with a regulating projection (not shown) having a tapered surface formed vertically inward at a distance substantially equal to the width of the elastic lamella 83. By forming this restricting projection, it is possible to prevent the mounted elastic flake 83 from being displaced in the vertical direction, and to make the elastic flake 83
Is returned to a predetermined position by the tapered surface even if the vibration is large.

The elastic thin piece 83 mounted on the mounting holder 82 having the above-described structure is formed in a substantially rectangular shape by a thin steel sheet (thickness: about 0.5 mm) or a thin sheet made of a conductive synthetic resin. The base part is a winding part 95 bent in a U-shape along the internal shape of the thin piece mounting space 94. Therefore, this winding part 95 is attached to the mounting holder 8.
The elastic flake 83 can be mounted on the mounting holder 82 by inserting the flake mounting space 94 from the back surface of the second piece 2 and simultaneously moving the front part out of the notch 91 and following the flake contact surface 90. . In this manner, when the mounting holder 82 on which the elastic thin piece 83 is mounted is attached to the upper end of the inner rail 31 by the above-described fastening method, as shown in FIG. 30 (the end of the elastic thin piece 83 contacts the outer rail 30), and the entrance 22a of the game area 22 is closed.

A trapezoidal guide hole (not shown) is formed on the bottom side of the portion of the elastic thin piece 83 protruding from the mounting holder 82, which tapers in the flight direction of the hit ball. The guide hole is a ball that flies between the outer rail 30 and the inner rail 31 and catches the ball that rises slightly above the game board 16 and stabilizes toward the game board 16 side. In addition to having a function of discharging the elastic thin piece 83 itself to the game area 22 in a state of being pressed, the elastic thin piece 83 itself has a function of suppressing an adverse effect on the momentum of the hit ball.
The guide hole may be formed over almost the entire length of the elastic thin piece 83.

A connecting piece 97 extends from the elastic thin piece 83 almost at the middle of the abutting portion with the thin piece abutting surface 90. The connecting piece 97 is provided so as to branch off from the main body of the elastic thin piece 83 and has its base bent in an L-shape to extend to the rail engaging groove 87 of the mounting holder 82, It is bent upward to enter the engagement groove 87. When the back ball preventing member 32 is fixed to the game board 16, the rail engaging groove 87 is fitted into the inner rail 31, so that the distal end portion of the connection piece 97 disposed in the rail engaging groove 87. Is the inner rail 3
1 is electrically connected.

In the back ball preventing member 32 configured as described above, first, the positioning boss 85 formed on the mounting holder 82 is engaged with the positioning hole 80 of the game board 16 so that the back ball preventing member 32 Game board 16
Accuracy and easiness of attachment to the device are ensured, and the positioning makes it possible to use an automatic machine or a robot for attachment and production. In particular, in the present embodiment, not only the positioning by the positioning boss 85 but also the positioning by the rail fixing pin 93 and the notch concave portion 92, and the rail engaging groove 87 of the upper edge of the outer rail 30 and the rail engaging portion 86.
The positioning by the engagement with the above makes it possible to enhance the accuracy and easiness of the mounting described above.

In the back ball preventing member 32,
Since the elastic thin piece 83 is formed of an extremely thin elastic plate, it is possible to greatly suppress the adverse effect of the hit ball on the flight to the game area 22. In particular, since the base of the elastic thin piece 83 in this embodiment is supported by the lower end of the mounting holder 82, the movable length of the elastic thin piece 83 itself becomes longer as shown by the broken line in FIG. For this reason, since the moment of inertia for pushing and opening the elastic thin piece 83 can be small, the degree of weakening the impact of the hit ball is reduced, and the above-mentioned adverse effect on the hit ball can be further suppressed. I have.

As described above, according to the configuration of the present embodiment, the firing rail 39 for firing a game ball to the game area 22 formed on the game board 16, and the game ball fired from the firing rail 39. Rail 30 for guiding the player to the game area 22 and the game area 2 together with the outer rail 30.
The ball game machine 1 provided with the inner rail 31 forming the ball 2 and the back ball preventing member 32 for preventing the back ball from returning to the firing position again by the bouncing of the ball once entering the gaming area 22. , The back ball preventing member 3
2 is provided with an elastic thin piece 83 as a ball contact portion having conductivity, and electrically connects the elastic thin piece 83 and the outer rail 30 with the elastic thin piece 83 as an outer rail conductive member having conductivity. Features. With such a configuration, the ball contact portion of the back ball prevention member 32 and the outer rail 3
Since it is possible to make 0 the same potential, it is possible to prevent the occurrence of noise when the game ball passes through the elastic flake 83 after passing through the outer rail 30, and furthermore, a control circuit board (game control board) accompanying the noise generation ) Can be prevented. In the embodiment, the elastic thin piece 83 (ball contact portion) itself (tip) is used as an outer rail conductive member to directly connect the back ball prevention member and the outer rail. However, the present invention is not limited to this. An outer rail conductive member for electrically connecting the back ball preventing member and the outer rail may be provided, or a connecting portion is integrally provided on the outer rail itself,
You may electrically connect with the ball contact part of a back ball prevention member. In the present embodiment, the connecting piece 97, the inner rail 3
1 and the metal connection piece 51 form an outer rail conductive member. That is, the outer rail conductive member may be composed of a plurality of members or a single member.

The elastic thin piece 83 and the inner rail 3
1 is electrically connected by an elastic thin piece 83 (connecting piece 97) as an inner rail conductive member having conductivity. With this configuration, the elastic thin piece 83
The inner rail 31 and the inner rail 31 can also be set to the same potential, so that even when the game ball moves from the elastic thin piece 83 to the inner rail 31, the occurrence of noise can be prevented. In the embodiment, the ball contact portion itself is used as an inner rail conductive member to directly connect the back ball prevention member and the inner rail. However, the present invention is not limited to this. May be provided with an inner rail conductive member for electrically connecting the inner rails. Further, the inner rail conductive member may be constituted by one member integrated with the outer rail conductive member. That is,
The inner rail conductive member may be composed of a plurality of members or a single member.

Next, a modification of the connection structure between the outer rail 30 and the inner rail 31 will be described with reference to FIG. In the configuration of the modified example, as shown in FIG. 6, the inner and outer rail conductive members that electrically connect the outer rail 30 and the inner rail 31 are configured by conductive sheet members 72 provided on the game board 16. The conductive sheet member 72 is made of a plated synthetic resin film sheet, and is laid on the entire surface of the game board 16 while being interposed between the game board 16 and the decorative board 16a. The conductive sheet member 72 is attached by bonding in the same manner as the method of attaching the decorative plate 16a to the surface of the game board 16. Thus, on the surface of the game board 16, the conductive sheet member 72 and the decorative board 16a are provided in a state of being laminated in order from the bottom. The outer rail 30 and the inner rail 31 are connected to the game board 16 by the respective mounting pins 70 and 71.
Plant on the surface. Thus, the outer rail 30 and the inner rail 31 are electrically connected via the conductive sheet member 72. That is, the outer rail 30 and the inner rail 31 are electrically connected by an inner and outer rail conductive member having conductivity, and the inner and outer rail conductive member is constituted by a conductive sheet member 72 provided on the game board 16. It is characterized. With such a configuration, the electric connection between the outer rail 30 and the inner rail 31 can be easily performed simply by attaching the outer rail 30 and the inner rail 31 to the game board 16.

According to the configuration of the above-described modified example, each of the guide nails set on the game board 16 also has the conductive sheet member 7.
2 and is electrically connected to the outer rail 30 and the inner rail 31. For this reason, the guide nail is connected to the guide rail (outer rail 3).
0, the inner rail 31) to the firing rail 39 can be set to the same potential. The shape and material of the conductive sheet member are not particularly limited, and may be a conductive sheet member such as a metal mesh woven sheet (cloth). Also,
In the modified example, the conductive sheet member is provided separately from the decorative plate, but the decorative plate (mainly made of a synthetic resin such as celluloid) is subjected to conductive processing to have conductivity, so that the decorative plate is provided with a conductive material. The function of the conductive sheet member may be provided.

Further, the above-described embodiments (including modifications)
In the above, the electrical connection between the back ball prevention member and the firing rail is made indirectly via the outer rail or the inner rail.
That is, a shooting rail 39 for firing game balls to the game area 22 formed on the game board 16 and a game ball fired from the shooting rail 39 are guided to the game area 22 to form the game area 22. Outer rail 3 as a guide rail
0 and the inner rail 31, and a back ball prevention member 32 for preventing a back ball from returning to the firing position again by a ball that once entered the gaming area 22 by rebounding, The back ball preventing member 32
An elastic thin piece 83 as a ball contact portion having conductivity is provided,
The elastic thin piece 83 and the firing rail 39 are electrically connected by a conductive firing rail conductive member. With this configuration, the elastic thin piece 83 of the back ball preventing member 32 and the firing rail 39 can be set to the same potential, so that the noise when the game ball passes through the elastic thin piece 83 after passing through the firing rail 39 is reduced. It is possible to prevent the occurrence of the noise, and to prevent the malfunction of a control circuit board (game control board and the like) caused by the noise. It should be noted that a firing rail conductive member for electrically connecting the back ball prevention member and the firing rail may be provided, and the back ball prevention member and the firing rail may be directly electrically connected. The firing rail conductive member may be integral with the ball contact portion or the firing rail, or may be provided separately. Further, the guide rail is not limited to a configuration divided into an outer rail and an inner rail, and may be a single rail.

Further, the elastic thin piece 83 and the guide rails (outer rail 30 and inner rail 31) are electrically connected by an elastic thin piece 83 as a conductive rail conductive member having conductivity. With this configuration, the elastic thin piece 83 and the guide rails (the outer rail 30 and the inner rail 31) can be set to the same potential, so that the firing rail 39, the guide rails (the outer rail 30 and the inner rail 31), and By setting the firing paths of a series of balls composed of the back ball preventing member 32 all at the same potential, it is possible to reliably prevent the generation of noise when passing through the elastic thin piece 83. In the embodiment, the ball contact portion itself is used as a guide rail conductive member and a back ball prevention member and a guide rail (outer rail, inner rail).
Is connected directly, but is not limited to this.
Separately, a guide rail conductive member for electrically connecting the back ball prevention member and the guide rail may be provided.

Further, the above-described embodiments (including modifications)
In this configuration, the back ball preventing member is grounded via the firing rail. That is, a back ball preventing member 3 for preventing a ball that has entered the game area 22 formed on the game board 16 from rebounding toward the firing position again by rebounding.
In the ball and ball game machine 1 provided with the ball 2, the back ball preventing member 32 is an elastic thin piece 8 as a ball contact portion having conductivity.
3. The elastic thin piece 83 is grounded by a grounding conductive member. With this configuration, the elastic thin piece 83 of the back ball preventing member 32 is grounded, so that when the game ball contacts the elastic thin piece 83, static electricity is generated in the elastic thin piece 8 or the like.
By being absorbed from 3, noise can be prevented, and a malfunction of a control circuit board (game control board or the like) due to the noise can be prevented.

The back ball preventing member may be directly grounded. The outer rail conductive member, the inner rail conductive member, the inner / outer rail conductive member, the firing rail conductive member, and the guide rail conductive member may be configured by connection wires (conductive wires). In this case, as connection portions at both ends of the connection line, a metal fitting for screwing may be provided integrally, or a connector may be provided. However, when a connector is provided, it is necessary to provide a connector for connection on the back ball prevention member, the guide rail (outer rail, inner rail) or the firing rail side. Furthermore, outer rail conductive member, inner rail conductive member, inner and outer rail conductive member, firing rail conductive member,
And the guide rail conductive members are not limited to those made of metal,
A synthetic resin having conductivity may be used. That is, the outer rail conductive member, the inner rail conductive member, the inner and outer rail conductive members, the firing rail conductive member, and the guide rail conductive member may have any configuration as long as they have conductivity. For example, with a metal out ornament, the back ball prevention member, the inner rail, the outer rail, and the firing rail are each made to conduct, and the like, the outer rail conductive member, the inner rail conductive member, the inner and outer rail conductive member, The firing rail conductive member and the guide rail conductive member may be configured by one conductive member. The hitting hammer of the hitting / launching device may be electrically connected to the back ball preventing member, the guide rail (outer rail, inner rail) or the firing rail. The configuration of the hit ball launching device is not particularly limited. For example, the drive source is not limited to a motor, and may be constituted by a solenoid, or may be a type that emits balls without directly projecting balls, such as a linear type that is induced by magnetic force.

Further, all of the back ball preventing members may be constituted by conductive members having conductivity. Further, the configuration of the back ball preventing member is not limited to a flexible one, but may be a ball contacting portion supported by a rotating shaft or the like, or may be a flexible member integrated with the inner rail (such as welded). It may be composed of a member or the like, as long as it can prevent the ball from returning.

The following can be grasped from the embodiments described above. (1) A firing rail for firing a game ball to a game area formed on a game board, an outer rail for guiding a game ball fired from the firing rail to the game area, and the outer rail together with the outer rail. A ball game machine comprising: an inner rail forming a game area; and a back ball prevention member for preventing a back ball from returning to the firing position again by a ball that has once entered the game area by bouncing. The ball prevention member includes a ball contact portion having conductivity, and the ball contact portion and the outer rail are electrically connected to each other with a conductive outer rail conductive member having conductivity. Are electrically connected by a firing rail conductive member having conductivity, and the ball contact portion is grounded by a grounding conductive member. With this configuration, the ball contact portion of the back ball prevention member, the outer rail, and the firing rail can have the same potential, and the ball contact portion of the back ball prevention member can be grounded. It is possible to prevent the generation of noise when the ball passes through the ball contact portion, and to prevent the control circuit board from malfunctioning due to the noise.

[0045]

As apparent from the above description, according to the first aspect of the present invention, a firing rail for firing a game ball to a game area formed on a game board, and a firing rail fired from the firing rail. An outer rail for guiding the game ball to the game area, an inner rail that forms the game area together with the outer rail, and a back ball that returns to the firing position again by the ball that once entered the game area bounces back. And a back ball preventing member for preventing the ball, the back ball preventing member includes a ball contact portion having conductivity, and the ball contact portion and the outer rail have conductivity. It is characterized by being electrically connected by an outer rail conductive member. With this configuration, the ball contact portion of the back ball preventing member and the outer rail can be set to the same potential, so that noise generation when the game ball passes through the ball contact portion after passing through the outer rail is prevented. Thus, malfunction of the control circuit board due to noise generation can be prevented.

In the invention according to claim 2, the ball contact portion and the inner rail are electrically connected by an inner rail conductive member having conductivity. With this configuration, the ball contact portion and the inner rail can be set to the same potential, so that noise can be prevented even when the game ball moves from the ball contact portion to the inner rail.

In the invention of claim 3, the outer rail and the inner rail are electrically connected to each other by conductive inner and outer rail conductive members, and the inner and outer rail conductive members are provided on the game board. It is characterized by comprising a conductive sheet member. With this configuration,
By simply attaching the outer rail and the inner rail to the game board, the outer rail and the inner rail can be easily electrically connected.

Further, in the invention of claim 4, a firing rail for firing a game ball to a game area formed on the game board, and a game ball fired from the firing rail are guided,
A ball game machine comprising: a guide rail forming the game area; and a back ball prevention member for preventing a back ball from returning to the firing position again by a ball that has once entered the game area by bouncing. Back ball prevention member,
A ball contact portion having conductivity is provided, and the ball contact portion and the firing rail are electrically connected by a conductive rail conductive member having conductivity. With this configuration, the ball contact portion of the back ball prevention member and the firing rail can be set to the same potential, so that noise generation when the game ball passes through the ball contact portion after passing through the firing rail is prevented. Thus, malfunction of the control circuit board due to noise generation can be prevented.

According to a fifth aspect of the present invention, the ball contact portion and the guide rail are electrically connected by a conductive guide rail member having conductivity. With this configuration, the ball contact portion and the guide rail can have the same potential, so that the firing rail, the guide rail,
Also, by setting all of the firing paths of a series of balls including the back ball preventing member to have the same potential, it is possible to reliably prevent the generation of noise when passing through the ball contact portion.

According to the sixth aspect of the present invention, a ball provided with a back ball preventing member for preventing a ball that has entered a game area formed on the game board from returning to the firing position again by rebounding. In the gaming machine, the back ball preventing member includes a ball contact portion having conductivity, and the ball contact portion is grounded by a grounding conductive member. With this configuration, the ball contact portion of the back ball preventing member is grounded, so that when a game ball contacts the ball contact portion, static electricity is absorbed from the ball contact portion, thereby preventing noise generation. Thus, malfunction of the control circuit board due to noise generation can be prevented.

[Brief description of the drawings]

FIG. 1 is a front view of a ball game machine according to an embodiment.

FIG. 2 is a rear view of the ball game machine.

FIG. 3 is a front view of a front frame.

FIG. 4A is a longitudinal sectional view showing a contact state between an abutting surface portion of an outer rail and an upper abutting surface portion of a metal connecting piece, and FIG. It is a longitudinal cross-sectional view which shows the connection state of an outer rail and an inner rail.

FIG. 5A is a front view showing a state in which a back ball prevention member is attached to a game board, and FIG. 5B is a front view showing a state in which only the back ball prevention member is turned over.

FIG. 6 is a longitudinal sectional view showing a connection state between an outer rail and an inner rail in a modified example.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 ball game machine 2 outer frame 16 game board 16 a decorative board 22 game area 24 hitting and firing device 26 prize ball payout device 28 game control board box 30 outer rail 30 a contact surface portion 31 inner rail 32 back ball preventing member 39 firing rail 40 Mechanism plate 50/51 Metal connection piece 60 Ground wire 72 Conductive sheet member 82 Mounting holder 83 Elastic thin piece (ball contact part) 87 Rail engagement groove 97 Connection piece part

Claims (6)

[Claims] 1. A firing rail for firing a game ball to a game area formed on a game board, an outer rail for guiding a game ball fired from the firing rail to the game area, and an outer rail. A ball game machine comprising: an inner rail that forms the game area, and a back ball prevention member for preventing a back ball from returning to the firing position again by a ball that has once entered the game area. The ball game machine, wherein the back ball preventing member includes a ball contact portion having conductivity, and the ball contact portion and the outer rail are electrically connected by a conductive outer rail member having conductivity. . 2. The ball game machine according to claim 1, wherein said ball contact portion and said inner rail are electrically connected by an inner rail conductive member having conductivity. 3. The electrical connection between the outer rail and the inner rail by a conductive inner / outer rail member having conductivity, and the inner / outer rail conductive member is constituted by a conductive sheet member provided on the game board. The ball game machine according to claim 2, wherein: 4. A shooting rail for firing a game ball to a game area formed on a game board, a guide rail for guiding the game ball fired from the firing rail to form the game area, and A back ball preventing member for preventing a back ball from returning to the firing position direction by the bouncing of the ball that has entered the game area, wherein the back ball preventing member has conductive ball contact. Wherein the ball contact portion and the firing rail are electrically connected to each other by a conductive firing rail conductive member. 5. The ball game machine according to claim 4, wherein said ball contact portion and said guide rail are electrically connected by a conductive guide rail member having conductivity. 6. A ball game machine provided with a back ball prevention member for preventing a back ball from returning to the firing position by a bouncing ball, which has entered a game area formed on a game board, wherein the back ball is prevented. A ball game machine, wherein the member has a ball contact portion having conductivity, and the ball contact portion is grounded by a grounding conductive member.