JPH08224345A - Speaker protective board for game machine and game machine using it - Google Patents

Abstract

PURPOSE: To allow a player to distinctly hear the sound generated by a speaker and prevent an undue deed applied externally which might cause a failure in the speaker. CONSTITUTION: As the speaker protection board, a base door 8 having through holes 30 to admit passage of the sound generated by a speaker 32 and a front cover 36 having through holes 42 are furnished on the front face of the speaker 32 installed inside a game machine. The holes 42 in the front cover 36 are formed by putting voice inlet side through holes 42a provided in the surface on the speaker side in communication with voice outlet side through holes 42b provided in the surface on the front face side, and the voice inlet side through holes 42a and the voice outlet side through holes 42b are located in positions not confronting each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko gaming machine equipped with a speaker (including a sounding device configured by adding an accessory such as a cover to the speaker) for producing sound effects in various game states. The present invention relates to a game machine such as a smart ball and a speaker protection board used for the game machine.

[0002]

2. Description of the Related Art For example, a speaker used in a ball game machine represented by a pachinko machine is an upper part of a game board constituting a front plate, an upper ball saucer (upper plate) or a lower ball saucer (lower plate). Attached to the back side, the generated sound is through a sound transmission hole formed in a member such as a cover portion arranged in front of the speaker or using a ball outlet (hole) provided in the game board, It is designed to go outside.

Specifically, the following speaker mounting structure is known.

No. 61-174983, No. 61-174983, a partition is provided on the back side of the lower plate or the upper plate of the pachinko machine, and a back opening of the partition is provided with a gap opening downwardly from the partition and an appropriate number of sound transmission holes. The speaker mounting portion having the above is formed.

Japanese Utility Model Laid-Open No. 62-64578. A ball saucer is provided on the front side of a front plate that is openably and closably attached to a front frame of a game machine, and the bottom wall portion of the ball saucer has a double structure having a predetermined interval. A mounting structure in which a sound transmitting hole is provided on the bottom surface of the lower portion, and a speaker is arranged in the predetermined interval so as to face the sound transmitting hole.

In the pachinko machine No. 63-13189, the accommodating portion is formed in a part of the prize ball collecting gutter located below the ball launch rail immediately after the front opening and closing plate having the upper plate. A mounting structure in which the speaker is housed, and a passage for transmitting the sound is formed from the front surface of the speaker to the lower plate and the sound is emitted from the outlet hole of the ball.

Japanese Utility Model Laid-Open No. Sho 63-195885 A mounting structure in which a through hole is opened in the lower part of a front frame which is provided so as to be openable and closable with respect to the outer frame of a game machine, and a speaker is attached to the rear surface of the front frame facing the through hole.

[0008]

However, in any of the above speaker mounting structures, the sound generated from the speaker is mainly transmitted downward, and even if the sound volume is sufficient near the opening of the speaker. In many cases, the game position does not reach the volume required by the player.

Further, even in the structure in which the exit hole of the ball is used as the final exit of the passage of the sound from the speaker as described above, when the exit hole is blocked by the pachinko ball, the sound is hard to be transmitted to the player.

Further, in the above structure, propagation of sound from the speaker is likely to be hindered by the ball receiving tray located in front of the through hole. Therefore, it is difficult for the player located in front of the gaming machine to hear the sound from the speaker. Furthermore, according to this structure, since a plurality of sound transmitting holes are arranged in front of the through hole, if a wire or the like is inserted into the sound transmitting hole from outside, the wire will reach the through hole as it is. Penetrate this. Such a fraudulent act is easily performed, which may damage the speaker.

Therefore, an object of the present invention is to make it possible to clearly convey to a player the sound generated from a speaker in a game machine, and to prevent fraudulent acts from the outside that cause speaker failure. Is.

[0012]

The speaker protection board of the present invention is provided with a sound transmission hole provided on the front side of a speaker for generating sound such as a sound effect in a game machine, and the sound transmission hole is the protection board. The voice inlet side through hole provided on the speaker side surface and the voice outlet side through hole provided on the game machine front surface side are formed to communicate with each other, and the voice inlet side through hole and the voice outlet side through hole are
The openings are provided at positions that do not face each other.

In the embodiment of the speaker protection board of the present invention,
An upper edge of one of the sound inlet side through hole and the sound outlet side through hole and a lower edge of the other through hole are formed to be on the same line.

In another embodiment, a passage inclined with respect to the front surface of the gaming machine is provided between the sound inlet side through hole and the sound outlet side through hole of the speaker protection board.

In still another embodiment, the speaker protection board is composed of an internal protection wall provided on the speaker side and an external protection wall provided on the player side located on the front surface of the gaming machine. The hole is provided in the inner protective wall, and the sound exit side through hole is provided in the outer protective wall.

A speaker protection board according to still another aspect is an internal protection wall provided on the front side of a speaker for generating sound such as a sound effect in a game machine, and an outer side provided on the player side in front of the game machine. A sound transmission hole is formed by connecting the sound inlet side through hole provided in the inner protective wall and the sound outlet side through hole provided in the outer protective wall. , Is formed as a through-hole having a cross-sectional shape having a step in a direction parallel to the surface on the front side of the gaming machine inside the external protection wall.

In the above speaker protection board, it is preferable to provide an extending portion extending from the lower edge of the sound exit side through hole to the front of the game machine.

The gaming machine of the present invention is provided with a speaker for producing sound such as a sound effect toward the front side, and a sound transmission hole having a sectional shape having a step in a direction parallel to the front side on the front side of the speaker. Is provided with a speaker protection board.

In the embodiment of the gaming machine of the present invention, the speaker protection board is formed integrally with the gaming ball saucer provided on the front side of the gaming machine.

In another embodiment, the speaker protection board is formed separately from the game ball saucer provided on the front side of the gaming machine and is provided adjacent to the game ball saucer.

In a gaming machine according to another aspect of the present invention, a speaker for producing sound such as a sound effect toward the front side is attached to the back side of a front plate which is the front side of the gaming machine, and this front plate has a step. It is characterized in that an arbitrary number of sound transmission holes having different cross-sectional shapes are provided.

[0022]

In the speaker protection board of the present invention,
The sound generated from the speaker is transmitted to the player through a through hole provided on the sound inlet side of the protective board and a through hole provided on the sound outlet side in communication with the sound hole. At this time, the through holes on both sides communicating with each other play a role of guiding the generated sound and bring about a good acoustic effect, and well convey the sound effect according to the gaming state to the player on the front side of the gaming machine. You can Since the sound inlet side through hole and the sound outlet side through hole are provided at positions where their openings do not face each other, the inlet side through hole cannot be seen from the outlet side through hole. That is, since the front surface of the speaker is substantially covered with the protective board, even if an illegal player tries to insert a foreign object such as a wire into the sound transmitting hole from the outside, the tip of the speaker protrudes in the middle of the sound transmitting hole. This prevents intrusion and prevents speaker damage and fraud.

The speaker protection board of the present invention can be integrally molded of synthetic resin, but in that case, in practice,
It is not possible to shift the openings so that the sound inlet side through hole and the sound outlet side through hole do not overlap each other. However, it can be formed so that the upper edge and the lower edge of the sound transmission hole on either the voice input side or the output side are on the same line. A speaker protection board is obtained in which the openings of the holes do not face each other.

In another embodiment, the sound inlet side through hole and the sound outlet side through hole of the speaker protection board are communicated with each other by a passage inclined with respect to the surface on the front side of the gaming machine to leak the sound generated from the speaker. It provides good sound effect as well as guiding without any.

In yet another embodiment, the speaker protection board has two inner protection walls on the speaker side and two outer protection walls on the player side.
Since it is composed of two members, it is possible to dispose the two protective walls by shifting the respective openings so that the sound inlet side through hole of the inner protective wall and the sound outlet side through hole of the outer protective wall do not overlap.

In a speaker protection board of still another aspect, the sound inlet side through hole provided in the speaker side inner protective wall and the sound outlet side through hole provided in the player side outer protective wall are communicated with each other. Since the sound hole is formed, the sound generated from the speaker is transmitted to the player side without leaking, and the sound exit side through hole has a step in the direction parallel to the surface of the game machine front side inside the external protection wall. Since it is formed as a through hole of a shape, even if it is provided at a position where the sound inlet side through hole of the inner protective wall and the speaker side opening of the sound outlet side through hole of the outer protective wall face each other, the sound outlet side through hole is formed. The sound inlet side through hole cannot be seen from the player side opening, and the front surface of the speaker is substantially covered by the protective board. Therefore, even if an illegal player tries to insert a foreign substance such as a wire into the sound transmission hole from the outside, the tip of the foreign matter is abutted in the middle of the sound exit side through hole to prevent the entry.
Therefore, damage to the speaker and fraudulent activity are prevented.

In the speaker protection board of the present invention, when the extending portion formed so as to extend toward the front of the game machine from the lower edge of the sound exit side through hole is provided, the sound generated from the speaker is the sound transmitting hole. After exiting the vehicle, the extension portion guides the vehicle further forward. Therefore, the transmission of the sound effect to the player becomes more reliable.

In the gaming machine of the present invention, the sound generated from the speaker is transmitted to the player through the sound transmission hole provided in the speaker protection board. At this time, the sound transmission hole plays a role of guiding the sound from the speaker to the front side, provides a good acoustic effect, and can well convey the sound effect according to the game state to the player. In addition, since a step portion is formed in the sound transmission hole in a direction parallel to the front surface of the speaker, the entrance side opening cannot be seen from the exit side opening of the sound transmission hole, and an unauthorized player can access the sound transmission hole. Even if an attempt is made to insert a foreign substance such as wire, the tip of the foreign substance hits the stepped portion and is prevented from entering.
This prevents speaker damage and fraud.

In the embodiment of the gaming machine of the present invention, the speaker protection board is formed integrally with the game ball saucer of the gaming machine, so that the speaker protection board can be prepared without increasing the number of parts and the manufacturing cost. it can. Also, the appearance is improved by eliminating the boundary between the speaker protection board and the game ball saucer.

In another embodiment, the speaker protection board is formed separately from the game ball saucer and is provided adjacent to it, which is convenient for replacing or repairing the speaker protection board.

In a gaming machine according to another aspect of the present invention, a speaker is attached to the back side of a front plate which forms the front of the gaming machine,
By providing a sound-transmitting hole with a stepped section on the front plate, the sound generated from the speaker can be clearly transmitted to the player, and the stepped portion of the sound-transmitting hole prevents external cheating. Play a role. Further, since the above speaker protection board is omitted, the structure is simplified and the degree of freedom of the mounting location of the speaker is increased.

[0032]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A case in which the present invention is applied to a pachinko machine which is an example of a gaming machine will be described below. FIG. 1 is a front view of a pachinko machine 2 of the embodiment, and FIG. 2 is a perspective view of an outer frame of the pachinko machine 2. This pachinko machine 2 has an outer frame 4 having a shape in which rectangular plates are combined in a grid pattern, and a game board and other parts are assembled to the outer frame 4.

First, a base door 8 which is a front plate of the pachinko machine 2 is attached to the outer frame 4. Specifically, the base door 8 is rotatably attached to one of the left and right vertical frames 5 and 5 of the outer frame 4 by the hinges 6 provided at two upper and lower positions.

The base door 8 is provided with a game board 10 at the upper part of its front surface (on the side of the player) for forming a game area into which a pachinko ball is hit. The game board 10 is rotatably supported by two upper and lower hinges 6 provided on the left side of the base door 8. On the front side of the game board 10, a front door upper part 14 composed of a glass plate 12 and a frame around the glass plate 12 is rotatably attached, and below the upper ball saucer for receiving a ball from a ball outlet 16 ( Upper plate) 1
Similarly, a lower portion of the front door 20 provided with 8 is rotatably attached. When the door key 22 provided on the right side of the base door 8 in FIG. 1 is operated in a predetermined direction (for example, turned to the left), the front door upper portion 14 becomes in a state where it can be opened. When opened, the lower part 20 of the front door can be opened. Also,
The base door 8 can be opened by operating the same door key 22 in a direction different from the above (for example, turning it to the right).

A firing handle 24 for performing a ball firing operation is provided in a portion of the base door 8 located below the lower front door 20. Further, a lower ball receiving tray (lower tray) 26 is provided adjacent to the left side of the firing handle 24, and an ashtray 28 is provided adjacent to the lower tray 26. This is rotatably mounted on the player side in order to facilitate the removal of ash during cleaning.

FIG. 3 shows the structure of the speaker mounting portion of the first embodiment of the present invention.

First, in the lower part of the base door 8, a plurality of horizontally long through holes 30 for sending the sound from the speaker 32 to the front side are formed on the left side of the ashtray 28, and on the back side of these through holes 30. A rear cover 34 that covers the speaker 32 and its rear portion is arranged, and a front cover 36 is arranged on the front side of the through hole 30 and is attached to the base door 8.

At the time of mounting, as shown in FIG. 4, a screw 39 is inserted into the through hole of the base door 8 from the rear surface side of the base door 8 to provide an edge portion 36a provided on the rear surface side of the front cover 36. By stopping at, the front cover 36 is fixed. The reason for screwing from the back side in this way is to prevent fraud by preventing the front cover 36 from being removed from the front side of the gaming machine.

On the other hand, the rear cover 34 has a volume capable of accommodating the speaker 32 inside and seals the rear portion of the speaker 32. This rear cover 34 not only prevents the sound from leaking backward from the speaker 32, but also prevents the game ball (pachinko ball) passing through the lower rear surface side of the base door 8 from being attracted to the magnet of the speaker 32 and hindering the movement. To prevent this, the speaker 32 is made of a material that prevents leakage of magnetic flux from the magnet.

The speaker 32 is attached to the rear surface of the base door 8 together with the rear cover 34 with its sound output surface facing the plurality of through holes 30 of the base door 8. In detail,
As shown in FIG. 4, the peripheral edge portion 32 a of the sound output surface of the speaker 32 and the peripheral edge portion 34 a of the rear cover 34 and the base door 8 are arranged.
The speaker 32 is fixed together with the rear cover 34 by inserting the screw 40 into the hole 35 formed in the convex portion of the peripheral edge of the rear cover 34 and fixing it to the base door 8 by sandwiching it with the rear cover.

In this embodiment, part of the base door 8 and the front cover 36 are used as a protective board for the speaker 32. That is, the speaker protection board is composed of the base door 8 as an internal protection wall provided on the speaker 32 side and the front cover 36 as an external protection wall provided on the front side of the gaming machine. The base door 8 is provided with the above-mentioned through hole 30 as a sound inlet side through hole, while the front cover 36 is provided with a plurality of sound outlet side through holes 42. The sound inlet side through hole 30 provided in the base door 8 and the sound outlet side through hole 42 provided in the front cover 36 constitute a sound transmitting hole for allowing the sound from the speaker 32 to pass to the front side of the gaming machine. are doing.

Although only four through holes 30 of the base door 8 and four through holes 42 of the front cover 36 are shown in FIG. 3 for the sake of simplification, the numbers of them are not limited to the speaker 32 and the front cover. It may be an arbitrary number (for example, 8 and 7, respectively, as shown in FIG. 4) depending on the size of 36 or the like.

As shown in the enlarged view of FIG. 5, the through hole 42 of the front cover 36 is provided on the voice inlet side through hole 42a provided on the surface of the speaker and the surface of the front cover 36 on the front surface side of the gaming machine. It is formed by communicating with the sound outlet side through hole 42b, and the sound inlet side through hole 42a and the sound outlet side through hole 42b are provided at positions where the openings do not face each other. As a result, each sound transmission hole 42 has a cross-sectional shape that is bent in a crank shape with a step-like step.

By the way, the front cover 36 can be integrally formed of synthetic resin, but in practice, the respective openings are shifted so that the sound inlet side through hole 42a and the sound outlet side through hole 42b do not overlap. I can't. Therefore,
In this embodiment, as shown in FIG. 5, the lower edge 42a 'of the corresponding sound inlet side through hole 42a and the corresponding upper edge 42b' of the sound outlet side through hole 42b are formed on the same line. .

Therefore, the sound generated from the speaker 32 is
As shown in FIG. 6, it is transmitted to the player through the through hole 30 of the base door 8, the entrance side through hole 42a of the front cover 36 and the exit side through hole 42b communicating with this. At this time, the through holes 42a and 42b on both sides communicating with each other play a role of guiding the generated sound, and the sound hits the stepped portion in the through hole 42 to bring about a good acoustic effect,
A sound effect or the like according to the game state is satisfactorily transmitted to the player on the front side of the gaming machine. Further, since the voice inlet side through hole 42a and the voice outlet side through hole 42b are provided at positions where their openings do not face each other, the inlet side through hole 42a cannot be seen from the outlet side through hole 42b, that is, The front surface of the speaker 32 is substantially covered with the front cover 36. Therefore, even if an illegal player tries to insert a foreign substance such as wire into the through hole 42 from the outside, the tip of the foreign matter is prevented from entering in the middle of the through hole 42, so that the speaker is prevented from being damaged or fraudulent.

Further, in this embodiment, an extending portion 44 extending from the lower edge 42b ″ of the sound outlet side through hole 42b of the front cover 36 toward the front of the gaming machine is formed. After the generated sound exits the through hole 42, it is guided further forward by the extension portion 44. As a result,
Transmission of sound effects to the player becomes more reliable.

Further, since the front cover 36 is formed separately from the lower plate 26, the front cover 36 or the lower plate 26 can be individually removed and replaced. On the other hand, the front cover 36 and the lower plate 26 may be integrally formed. In this case, the number of parts is small, which is advantageous in terms of assembly man-hours and costs.

In this embodiment, as described above, the speaker protection board is constituted by the inner protection wall using the base door 8 and the outer protection wall by the front cover 36, and the front cover 36 has a stepwise sectional shape. By providing the plurality of through holes 42 having the shape of a crank with a step, the base door 8 is not restricted by the positional relationship between the through holes 30 of the base door 8 and the through holes 42 of the front cover 36. The front cover 36 can be mounted on the front surface of the device, which has the advantage of increasing the degree of freedom in assembly.

In particular, as shown in FIG. 7, even if the through hole 30 of the base door 8 and the inlet side through hole 42a of the front cover 36 are provided at a position facing each other, the through hole 42 of the front cover 36 is connected to the speaker side. The through hole 30 of the speaker 32 cannot be seen, that is, the front surface of the speaker 32 is substantially covered, so that an illegal player can externally cover the front cover 36.
Even if an attempt is made to insert a foreign substance such as wire into the through hole 42 of the speaker 32, the tip of the foreign matter is prevented from entering the through hole 42, and the speaker 32
Damage and fraud are prevented.

On the other hand, as shown in FIG. 8, a sound outlet side through hole 43 similar to the sound inlet side through hole 30 provided in the base door 8 may be formed in the front cover 36. In this case, the through hole 30 of the base door 8 and the front cover 3
The front cover 36 is arranged with respect to the base door 8 so that the through hole 43 of the front door 36 does not face the through hole 43 of the front door 36 and the upper edge 43 of the through hole 43 of the front cover 36. 'To be on the same line, or, as shown in FIG. 9, the through hole 30 of the base door 8 and the through hole 43 of the front cover 36 should be set so as to be completely deviated from each other. is necessary. According to these configurations, since it is not necessary to form the sound outlet side through hole in the shape of a crank having a stepped step, the front cover 36 can be easily formed.

Next, FIG. 10 shows the structure of the speaker mounting portion of the second embodiment.

In this embodiment, at the bottom of the base door 8,
Through hole 5 for sending the sound from the speaker 32 to the front side
0 is formed, and the speaker 32 has its sound output surface faced through the through-hole 50 of the base door 8, and the rear cover 3
4 is attached to the back side of the front cover 36. Specifically, the peripheral portion 32 of the audio output surface of the speaker 32 is
a is the peripheral portion 34a of the rear cover 34 and the front cover 3
6 and the edge portion 36a provided on the back side of the rear cover 3
The screw 40 is inserted into the hole 35 formed in the convex portion of the peripheral edge of the front cover 4 and fixed to the upper and lower edge portions 37a and 37b of the front cover 36, whereby the rear cover 34 and the speaker 32 are fixed to the rear surface side of the front cover 36. It

Therefore, at the time of assembly, after the speaker 32, the rear cover 34, and the front cover 36 are integrally assembled, the front cover 36 is passed through the through hole 50 from the rear surface side of the base door 8 to move the front cover 36 up and down. By fixing the edge portion with the screw 39, the speaker mounting structure shown in FIG. 10 is formed. According to this mounting structure, the speaker 32, the rear cover 34, and the front cover 36 can be integrally assembled as a unit in advance, so that the mounting work on the gaming machine is simplified and the maintenance for replacing parts in the event of a failure is performed. Work becomes easy.

In this embodiment, the front cover 3
The 6 through holes 42 form a sound transmitting hole for allowing the sound from the speaker 32 to pass to the front side of the gaming machine. Each through hole 42 is an inlet side through hole 42 provided on the surface of the base door 8 side.
It is formed by connecting a and the exit side through hole 42b provided on the front side of the gaming machine, and the lower edge of the inlet side through hole 42a and the upper edge of the outlet side through hole 42b are located on the same line. Is formed. As a result, each through hole 42 has a cross-sectional shape bent in a crank shape with a step-like step, as in the first embodiment.

Therefore, the sound generated from the speaker 32 is
It is transmitted to the player through the through hole 50 of the base door 8, the entrance side through hole 42a of the front cover 36, and the exit side through hole 42b communicating with this. At this time, the communicating through-hole 42 plays a role of guiding the generated sound, and the sound hits the step portion to bring about a good acoustic effect, so that the player on the front side of the gaming machine can play according to the playing state. Sound effects are transmitted well.

Next, FIG. 11 shows the structure of the speaker mounting portion of the third embodiment.

This is a structure in which a part of the base door 8 is constructed as a protective board for the speaker 32, instead of the front cover 36 of the first and second embodiments. In this case, in the speaker 32, the peripheral edge portion 32 a of the sound output surface is sandwiched between the peripheral edge portion 34 a of the rear cover 34 and the back surface of the base door 8, and the screw 4 is inserted into the hole 35 provided in the peripheral edge convex portion of the rear cover 34.
By inserting 0 and stopping it on the base door 8, it is fixed to the rear surface side of the base door 8 together with the rear cover 34.

Further, in place of the through hole 30 of the first embodiment, the base door 8 is provided with a plurality of sound transmitting holes 48 having stepped portions having a stepwise sectional shape, and the front peripheral portion 32a of the speaker 32 is brought into contact therewith. It is provided in the contact area. Each sound transmission hole 48 is configured by connecting a sound inlet side through hole 48a formed on the speaker side and a sound outlet side through hole 48b formed on the front side, and below the sound inlet side through hole 48a. The edge and the upper edge of the sound outlet side through hole 48b are formed so as to be located on the same line. Therefore, similarly to the sound transmission hole 42 of the first embodiment, the sound generated from the speaker 32 is clearly transmitted to the player through the sound transmission hole 48, and the stepped portion of the sound transmission hole 48 prevents an illegal act from the outside. Play a role in.

In the third embodiment, the front cover 36
Since such a speaker protection board is omitted, there is an advantage that the structure is simplified and the degree of freedom of the mounting location of the speaker is increased.

Further, as described above, in the case of forming a plurality of sound transmission holes having step portions having a stepwise cross section in the front cover 36 or the base door 8, as shown in FIG. 12, the front cover 36 or The sound inlet side through hole 60a and the sound outlet side through hole 60b of the sound transmitting hole 60 formed in the base door 8 may be connected by a passage 62 that is inclined with respect to the front surface. Also in this case, the lower edge 60a 'of the sound inlet side through hole 60a is formed for the above-mentioned reason for molding.
And the upper edge 60b 'of the sound outlet side through hole 60b are formed on the same line. With this configuration, it is possible to guide the sound generated from the speaker without leaking it and to provide a good acoustic effect.

Although the embodiment in which the present invention is applied to a pachinko gaming machine has been described above, the present invention is not limited to a pachinko gaming machine and can be similarly used for any gaming machine to which a speaker is attached.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko gaming machine to which the present invention has been applied.

FIG. 2 is a perspective view showing an outer frame of the pachinko gaming machine of FIG.

FIG. 3 is a diagram showing a configuration of a speaker mounting portion according to the first embodiment of the present invention.

FIG. 4 is a cross-sectional view of the speaker mounting portion of FIG.

5 is a diagram showing a part of a cross section of the front cover of FIG.

FIG. 6 is an enlarged view of a main part of FIG.

FIG. 7 is a cross-sectional view of a main part with a part of the configuration of FIG. 6 modified.

FIG. 8 is a perspective view showing an example of the configuration of a speaker protection board.

FIG. 9 is a perspective view showing another configuration example of the speaker protection board.

FIG. 10 is a sectional view of a speaker mounting portion of the second embodiment.

FIG. 11 is a sectional view of a speaker mounting portion of the third embodiment.

FIG. 12 is a cross-sectional view showing an example of a sound transmission hole formed in one speaker protection board.

[Explanation of symbols]

2 ... Pachinko machine, 4 ... Outer frame, 6 ... Hinge, 8 ... Base door, 10 ... Game board, 12 ... Glass plate, 14 ... Front door upper part, 16 ... Ball exit, 18 ... Upper plate, 20 ... Front door lower part , 22 ... door key, 24 ... handle, 26 ... lower plate,
28 ... Ashtray, 30 ... Through hole, 32 ... Speaker, 34 ... Rear cover, 36 ... Front cover, 39, 40 ... Screw,
42 ... through hole, 42a ... sound inlet side through hole, 42b ... sound outlet side through hole, 44 ... extension part.

Claims (10)

[Claims] 1. A protective board having a sound-transmitting hole provided on a front surface side of a speaker for generating sound such as a sound effect in a game machine, wherein the sound-transmitting hole is provided on a speaker-side surface of the protective board. It is formed by communicating a voice inlet side through hole and a voice outlet side through hole provided on the game machine front surface side of the protection board, and the voice inlet side through hole and the voice outlet side through hole are respectively formed. A gaming machine speaker protection board, characterized in that the openings are provided so as not to face each other. 2. The protective board according to claim 1, wherein the sound inlet side through hole and the sound outlet side through hole have an upper edge of one of these through holes and a lower edge of the other through hole. A speaker protective board for a gaming machine, which is formed so as to be located on the same line. 3. The protective board according to claim 1, wherein a passage inclined with respect to a surface on the front side of the game machine is provided between the sound inlet side through hole and the sound outlet side through hole. A speaker protection board for gaming machines, which is characterized in that 4. The protection board according to claim 1, comprising an internal protection wall provided on the speaker side and an external protection wall provided on the player side in front of the game machine, wherein the voice inlet is provided. The speaker protection board for gaming machine, wherein the side through hole is provided in the inner protective wall, and the sound outlet side through hole is provided in the outer protective wall. 5. A protective board having a sound transmission hole provided on a front surface side of a speaker for generating a sound such as a sound effect in a gaming machine, the internal protective wall provided on the speaker side, and the gaming machine. It is composed of an external protective wall provided on the front side of the player, and the sound transmission hole is a voice inlet side through hole provided in the internal protective wall and a voice outlet side through hole provided in the external protective wall. And the voice outlet side through hole is formed as a through hole having a cross-sectional shape having a step in a direction parallel to the surface on the front side of the gaming machine in the external protection wall. A speaker protection board for gaming machines. 6. The gaming machine according to any one of claims 1 to 5, further comprising an extending portion that extends from a lower edge of the sound outlet side through hole to a front side of the gaming machine. Speaker protection board. 7. A gaming machine equipped with a speaker for producing sound such as a sound effect toward the front side, wherein a sound transmission hole having a cross-sectional shape having a step in a direction parallel to the front surface is provided on the front side of the speaker. A gaming machine characterized by having a formed speaker protection board. 8. The game machine according to claim 7, wherein the speaker protection board is formed integrally with a game ball saucer provided on the front surface side of the game machine. 9. The gaming machine according to claim 7, wherein the speaker protection board is formed separately from a game ball saucer provided on the front side of the game machine and is provided adjacent to the game ball saucer. A gaming machine characterized by being present. 10. A gaming machine provided with a speaker for generating sound such as a sound effect toward the front side, wherein the speaker is mounted on the back side of a front plate forming the front of the gaming machine, and a step is formed on the front plate. A game machine characterized in that an arbitrary number of sound transmission holes having a cross-sectional shape with a mark are provided.