JP2006230650A - Audio device for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an audio device for game machines which enables the setting of optimum performance requirements without a significant alteration of the designing or others even in model changes of the game machine and also achieves a reduction in the development cost or the like. <P>SOLUTION: The audio device for game machines has a mounting member (2) comprising a base boy (10) fixed on the inner wall of an upper panel part (UP) and a support plate (20) supported on the base body with the angle changeable in multiple stages and a speaker (3) is mounted on the upper panel part through a mounting member. The angle of the speaker can be adjusted flexibly to accommodate any change in the outer design of the game machines to enable the setting of the optimum performances for the audio device without the significant alteration of the designing. This can reduce the development cost associated with the model changes. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an audio device for production provided in a gaming machine such as a slot machine or a pachinko machine.

  Conventionally, the front mask of a gaming machine such as a slot machine or a pachinko machine has a directing device for causing the player to be interested in the game by lighting, flashing, and sound effects, and for enhancing the sense of reality. Is provided.

  For example, an audio device, which is one of the effect devices provided in the slot machine, notifies the player of various game effect sounds such as a big game state such as a big bonus or a special game state such as a payout of medals. In general, a sound device employs a speaker having directivity in order to distinguish between a production effect sound by its own machine and a sound from another adjacent gaming machine. By installing the speaker of the gaming machine toward the player, the production effect sound is concentrated on the player, making it easy to hear and effectively producing the appeal to the player's hearing (see, for example, Patent Document 1). ).

  Incidentally, the directivity of the speaker (sound generator) does not mean that the sound intensity distribution is uniform regardless of the radiation direction as shown by the broken line in FIG. 1, but the sound as shown by the solid line in the figure. The intensity distribution is relatively biased in one direction (S1).

JP-A-8-24404

  By the way, in recent years, the epidemic period of game content in the gaming machine industry has been shortened, and the form of the front mask is frequently changed in accordance with the model change of the gaming machine.

  However, when changing the model of the gaming machine, the mounting position of the speaker of the audio device may be changed in accordance with the appearance design. In such a case, the audio device such as adjusting the direction of the speaker to the place where the player is located, etc. Had to be redesigned for optimal performance conditions. In particular, in recent years, there has been a demand for cost reductions such as development and design of acoustic devices that occur during frequent model change of gaming machines.

  The present invention has been made in view of these conventional problems, and it is possible to suppress the cost of a design change accompanying a model change of a gaming machine as much as possible, or to make a major design change or the like when changing the appearance design of a gaming machine. An object of the present invention is to provide an acoustic device that can be set to an optimum performance condition.

  In order to solve the above-described problems, the invention described in claim 1 is an acoustic device for a gaming machine in which a speaker having directivity is accommodated in an acoustic panel member, and a base body fixed to an inner wall of the acoustic panel member. And a support member that is supported on the base body so that the angle can be changed in multiple stages. The speaker can be installed on the support plate of the attachment member to change the installation angle. It is characterized by being.

  The invention according to claim 2 is the acoustic device for the gaming machine according to claim 1, wherein the base body and the support plate of the mounting member are each formed to have a plate shape and each end. The sides are connected by hinges and can swing with each other, and a plurality of engagement holes are formed in a bracket portion provided on the base body along a swinging arc with the hinge as an axis to swing the support plate. In this case, an elastic engagement protrusion is formed on the support plate in conjunction with the arc arrangement of the engagement holes, and the mounting member is connected to any one of the engagement holes on the base side on the elastic engagement on the support plate side. By engaging the mating protrusion, the support angle of the support plate with respect to the base can be selected and set stepwise.

  According to the acoustic device of the first aspect, the speaker that generates the effect sound or the like is accommodated in the acoustic panel member via the attachment member that can change the installation angle. As a result, for example, even if the appearance design of the front mask is changed due to a model change of a gaming machine or the like, and various conditions such as speaker placement are changed, the orientation of the speaker is changed appropriately and the orientation is changed to the player. It can be easily adjusted to the optimum performance conditions such as matching. Therefore, a significant design change at the time of model change is eliminated, and the development design cost and the like are reduced.

  According to the acoustic device of the second aspect, the mounting member for mounting the speaker is swingable with respect to each other by the hinge connecting the base and the support plate to the respective end sides. By engaging the elastic engagement protrusion on the support plate side with the engagement hole, the speaker is set at a selected angle and supported. Thereby, the direction of sound emission can be easily adjusted to the position where the player is present, and the effect of the sound device can be maximized. Therefore, for example, even when the appearance design of the front mask is changed due to a model change of a gaming machine, etc. and various conditions such as speaker placement are changed, the installation angle of the speaker is appropriately changed to match the orientation with the player Thus, it is possible to easily adjust to optimum performance conditions, and to reduce development design costs and the like.

  As described above, according to the acoustic device for a gaming machine of the present invention, by appropriately adjusting the installation angle of the speaker accommodated in the acoustic panel member via the mounting member, the sound radiation direction is set to a position where the player is present. It can be adjusted easily and the production effect can be maximized. As a result, for example, even if the appearance design of the front mask is changed due to a model change of a gaming machine or the like, and various conditions such as speaker placement are changed, the orientation of the speaker is changed appropriately and the orientation is changed to the player. It can be easily adjusted to the optimum performance conditions such as matching. Therefore, it is possible to eliminate a significant design change at the time of model change and to reduce development design cost and the like.

  Hereinafter, a preferred embodiment will be described by taking a slot machine as an example of a gaming machine to which the acoustic device of the present invention is applied. First, an outline of a slot machine to which the present invention is applied will be described. However, the gaming machine to which the present invention can be applied is not limited to the slot machine, and can be applied to other gaming machines such as a pachinko machine or a ball ball gaming machine.

  FIG. 2 is a perspective view showing an external structure of the slot machine SM. In the slot machine SM, a front door FD is attached to an opening side of a housing MB that is a substantially rectangular box so as to be opened and closed. A front mask roughly divided into an upper panel portion UP, a middle panel portion MP, and a lower panel portion LP is formed on the front door FD, and these are formed of a hard plastic designed to enhance visual effects. In addition, a tray unit TU that forms a tray portion for storing medals is provided below the front door FD.

  The upper panel portion UP of the front door FD is provided with a plurality of types of illumination panels EDP that incorporate high-intensity light-emitting diodes (hereinafter simply referred to as “LEDs”). The illumination panel EDP is a plate-like body made of a transparent or translucent resin material and having irregularities or thickness changes on the surface, and refraction (lens) that changes the refraction of transmitted light in various directions depending on the shape. ) It has a function. Note that the LED and the illumination panel EDP constitute an illumination device LDD of the gaming machine. In addition, a liquid crystal display unit LCD is attached to the center of the upper panel unit UP, and an acoustic device SED having a built-in acoustic speaker (hereinafter simply referred to as “speaker”) is disposed on the left and right sides thereof. In addition, the liquid crystal display unit LCD and the sound device SED output a production video / music selected according to the progress of the game, imply a winning combination, pay out a big bonus or a medal, etc. It functions as an effect device for exciting players.

  A panel unit PU in which a substantially rectangular transparent display window FW is formed is attached to the center of the middle panel MP. Then, the three reels R1, R2, and R3 provided in the housing MB are viewed through the display window FW. Each of the reels R1, R2, and R3 is disposed in the horizontal direction along the respective rotation axis, and three vertical and three horizontal rows of symbols displayed on the outer peripheral surface of the reel are visually observed through the display window FW.

  The middle panel MP is integrally formed with an operation console OPT on which switches for performing game operations are arranged, and includes a medal insertion part MD having an insertion slot for inserting medals. A bet button BET, a start lever SL, and three stop buttons SB1, SB2, and SB3 are provided.

  The bet button BET is a button switch for presenting the number of medals to bet on one game of the slot machine SM. The slot machine SM bets medals by pressing the bet button BET, and rotates the reels R1, R2, and R3 all at once when the start lever SL is tilted. At this time, the slot machine SM performs winning lottery by internal processing (internal lottery). Then, the corresponding reels R1, R2, and R3 are stopped by pressing the stop buttons SB1, SB2, and SB3, respectively. When the reel symbol combination displayed on the active line set in the display window FW matches the winning combination won in the internal lottery, the winning is determined.

  The lower panel LP of the front door FD is provided with a display panel for displaying a picture or the like of an appearing character so that the player can recognize the model type of the slot machine SM. In the tray unit TU, a medal payout opening MEX and the like for discharging medals to the tray portion at the time of winning etc. are formed.

  The slot machine SM having such an external configuration enters a standby state when a prize is won in the previous game and the payout of medals is completed, or when a loss is confirmed in the previous game. In this standby state, when a player inserts a medal into the medal insertion unit MD, and presses the bet button BET to place a prescribed number of medals on the game from medals (credits) stored therein, the game starts. It becomes a state.

  In this state, when the tilting operation of the start lever SL by the player is detected, the three reels R1, R2, and R3 are simultaneously rotated. At the same time, the winning combination is internally drawn, and the result is stored in a flag (internal lottery flag). Then, the corresponding reels are sequentially stopped according to the pressing operation of the stop buttons SB1, SB2, and SB3. Then, after detecting the stop of all the reels R1, R2, and R3, it is determined whether or not the symbol displayed on each reel matches the symbol combination related to the winning combination corresponding to the flag.

  When the winning winning combination is aligned with the effective line set in the display window FW and the winning is confirmed, a predetermined number of medals are discharged from the medal payout exit MEX according to the type of the winning combination. Pay dividends to the winning players.

  The slot machine SM has been described above as a gaming machine to which the present invention is applied. Next, an embodiment of the acoustic device according to the present invention will be described in detail.

  FIG. 3 is a view showing the internal structure of the acoustic device SED according to the first embodiment, and is a perspective view of the upper panel portion UP of the slot machine with the speaker cover removed. FIG. 4 is an exploded perspective view showing the structure of the speaker unit 1 built in the acoustic device SED.

  As shown in FIG. 3, the upper panel unit UP has a speaker unit 1 that supports the speaker 3 with a variable angle via a mounting member 2 inside a frame body on which the acoustic device SED is provided. It is fixed.

  Referring to FIG. 4, the speaker unit 1 includes a speaker 3 and a mounting member 2 that supports the speaker 3 with a variable angle. Further, the mounting member 2 includes a base body 10 fixed to the upper panel portion UP, and a support plate 20 to which the speaker 3 is attached and which is supported at a variable angle with respect to the base body 10.

  The base body 10 which is a component of the mounting member 2 includes a substantially square flat plate portion 11 having a circular opening 13 formed in the center, a rib portion 12 for maintaining strength surrounding the peripheral portion of the flat plate portion 11, and a rib portion. A pair of bracket-shaped bracket portions 15 extending forward from the left and right sides of 12 are integrally formed of hard plastic. Further, screw holes 14 are formed through the four corners of the flat plate portion 11 so as to be fixed to the inner wall of the back frame of the upper panel portion UP with screws.

  In each of the pair of bracket portions 15, a shaft fitting hole 17 for supporting the support plate 20 with a variable angle and fitting a shaft projection 27 serving as a swinging shaft thereof, and a support angle of the support plate 20 are set stepwise. Therefore, a plurality of (for example, three) engagement holes 16 that engage with the engagement protrusions 25 of the support plate 20 are formed on the virtual arc centered on the shaft fitting hole 17 at appropriate intervals. . In addition, a guide groove 18 that linearly connects the edge portion and the shaft fitting hole 17 is formed on the inner surface of the bracket portion 15. The guide groove 18 is formed to easily guide the shaft protrusion 27 to the shaft fitting hole 17 when the support plate 20 is attached.

  The support plate 20 includes a substantially square flat plate portion 21 having an opening 23 having substantially the same diameter as the opening 13 of the base 10, a rib portion 22 for maintaining the strength surrounding the peripheral portion of the flat plate portion 21, and the flat plate portion 21. At the four corners of the front face, it is formed slightly longer than the height of the rib portion 22, and has a screw boss portion 24 for fixing the speaker 3 with screws, and extends rearward from the left and right rear ends of the rib portion 22 and has a hemispherical engagement protrusion 25 at the tip. A pair of arm portions 26 and a pair of shaft arm portions 28 extending rearward from the left and right rear ends of the rib portion 22 at a predetermined interval from the arm portions 26 and having a hemispherical shaft protrusion 27 at the tip, These are integrally formed of hard plastic. The engagement protrusion 25 and the shaft protrusion 27 have a hemispherical shape that protrudes outward, and the interval between them is equal to the interval from the shaft fitting hole 17 on the base 10 side to each engagement hole 16. I'm doing it. In addition, the arm portion 26 and the shaft arm portion 28 are formed so as to be elastically deformable in the range where at least the tip thereof exceeds the protruding amount of each projection on the inner side of the flat plate portion 21.

  The attachment member 2 used for the acoustic device SED is assembled by attaching the support plate 20 to the base body 10 at a variable angle. That is, the shaft arm portion 28 of the support plate 20 is elastically deformed slightly inward, the shaft protrusion 27 is pushed into the guide groove 18 of the base 10, and the shaft protrusion 27 is guided to the shaft fitting hole 17 to be fitted to the base 10. The support plate 20 is hinged and connected to each other so as to be swingable. Then, the attachment member 2 is assembled by elastically deforming the arm portion 26 inward and engaging the engagement protrusion 25 with any of the engagement holes 16 on the base 10 side.

  The support plate 20 can swing around a shaft projection 27 fitted in the shaft fitting hole 17 by applying an external force by a human hand, and the arm portion 26 is deformed inward in conjunction with this. However, the engagement protrusion 25 can be engaged with any one of the engagement holes 16. In a state where the engagement protrusion 25 is engaged with any one of the engagement holes 16, the support plate 20 is held on the base body 10 at an angle that maintains the engagement state. As described above, the mounting member 2 swings the support plate 20 so that the engagement protrusions 25 are engaged with any of the engagement holes 16, thereby gradually changing the support angle of the support plate 20 with respect to the base body 10. It can be adjusted.

  In addition to the above, the above-described engagement mechanism that selects one of the engagement positions and adjusts the support angle stepwise is centered on the shaft fitting hole 17 in the bracket portion 15 on the base 10 side, for example. A structure in which a plurality of engagement protrusions are formed along an arc and an engagement hole that engages with the engagement protrusion may be provided at the tip of the arm portion 26 of the support plate 20 may be employed. In the present embodiment, the structure is described in which the arm portion 26 on the support plate 20 side is elastically deformed to disengage the engagement state when an external force is applied to the support plate 20 to cause the support plate 20 to swing. Further, an elastic engagement portion may be provided on the base 10 side so that the support angle of the support plate 20 can be set in multiple stages.

  Screw holes 33 are formed in the flange portion 32 of the speaker 3 at four positions aligned with the screw boss portions 24 of the support plate 20. By inserting the body portion 31 of the speaker 3 into the openings 23 and 13 formed in the support plate 20 and the base 10, inserting a screw (not shown) into the screw hole 33 of the flange portion 32 and screwing it into the screw boss portion 24. The speaker 3 is attached to the mounting member 2, and the speaker unit 1 is assembled by this. Incidentally, the openings 13 and 23 of the base 10 and the support plate 20 are formed to avoid interference with the mounting member 2 by inserting the speaker body 31 as described above when the speaker unit 1 is assembled. It is.

  Next, the operation of the acoustic device SED including the speaker unit 1 including the mounting member 2 having such a structure will be described with reference to FIG. In the sound device (SED), for example, as shown in FIGS. 5A and 5B, the orientation of the speaker 3 is appropriately adjusted according to the mounting position of the speaker unit 1, so that the slot machine (SM) The sound with the maximum intensity can reach the position of the player P on the front side. That is, FIG. 5A is a model designed to attach the speaker 3 to a relatively low position of the upper panel portion (UP), and FIG. 5B shows the speaker 3 attached to a relatively high position. An example of a model is shown. These are relative cases, but in the case of the acoustic device shown in FIG. 5 (a), the angle of the speaker 3 is set substantially vertical, and in the case of the model shown in FIG. 5 (b), The angle of the speaker 3 is adjusted downward. In this way, by appropriately adjusting the angle of the speaker 3 supported by the mounting member 2 in accordance with the mounting position of the speaker 3, an acoustic device that optimizes the effect of sound without significant design changes. (SED) can be provided.

  As described above, according to the acoustic device of the present embodiment, the mounting member 2 including the support plate 20 and the base body 10 that can set the installation angle of the speaker 3 in multiple stages is provided. That is, the speaker 3 is attached to the inner wall of the back frame of the upper panel part UP via the attachment member 2 so that the angle can be adjusted, and thereby the appearance design of the front mask is changed by a model change of the slot machine SM or the like. However, the installation angle of the speaker 3 can be adjusted appropriately according to the position of the player, the performance conditions of the audio device can be easily optimized without making a major design change, and the production effect can be maximized. be able to.

  Next, a description will be given of a second embodiment of the acoustic apparatus according to the invention. Here, FIG. 6 is a view showing the internal structure of the acoustic device SED according to the second embodiment, and is a perspective view of the upper panel portion UP of the slot machine with the speaker cover removed. FIG. 7A is a perspective view showing an external structure of the speaker unit 1a according to the second embodiment, and FIG. 7B is an exploded perspective view thereof. FIG. 8 is a perspective view of the upper panel unit UP with the speaker cover and the speaker unit (1a) removed.

  As shown in FIG. 6, a pair of bracket portions 4 are provided on the inner back frame of the upper panel portion UP at a position where the acoustic device SED is provided with an interval corresponding to the width of the speaker unit 1 a according to the present embodiment. It is integrally formed. And the speaker unit 1a which consists of the support plate 20 which mounts the speaker 3 via these bracket parts 4 is attached in the upper panel part UP so that an angle is variable.

  With reference to FIGS. 7A and 7B, the speaker unit 1 a includes a speaker 3 and a support plate 20 on which the speaker 3 is mounted. The support plate 20 includes a substantially square flat plate portion 21 having an opening 23, rib portions 22 for maintaining the strength surrounding the peripheral portion of the flat plate portion 21, and slightly higher than the height of the rib portions 22 at the four front corners of the flat plate portion 21. From the arm portion 26, a pair of arm bosses 24, which are formed long and for fixing the speaker 3 with screws, extend rearwardly from the left and right rear ends of the rib portion 22 and have hemispherical engagement protrusions 25 at the front ends. A pair of shaft arm portions 28 that also extend rearward from the left and right rear ends of the rib portion 22 at a predetermined interval and have a hemispherical shaft protrusion 27 at the tip, which are integrally formed of hard plastic. ing. Note that the engagement protrusion 25 and the shaft protrusion 27 have a hemispherical shape that protrudes outward, and the distance between them is a distance from a shaft fitting hole 42 of the bracket portion 4 to be described later to each engagement hole 41. It matches. In addition, the arm portion 26 and the shaft arm portion 28 are formed so as to be elastically deformable in the range where at least the tip thereof exceeds the protruding amount of each projection on the inner side of the flat plate portion 21.

  Screw holes 33 are formed in the flange portion 32 of the speaker 3 at four positions aligned with the screw boss portions 24 of the support plate 20. The speaker 3 is inserted into the opening 23 formed in the support plate 20, and a screw (not shown) is inserted into the screw hole 33 of the flange portion 32 and screwed into the screw boss portion 24. 2 to assemble the speaker unit 1a. Incidentally, the opening 23 of the support plate 20 is formed to allow the speaker main body 31 to be inserted and avoid interference when the speaker unit 1a is assembled.

  Referring to FIG. 8, each of the pair of bracket portions 4 is a shaft on which a support plate 20 constituting the speaker unit 1 a is supported at a variable angle and a shaft protrusion 27 (see FIG. 7) serving as a swinging shaft is fitted. The engagement hole 41 that engages with the engagement protrusion 25 (see FIG. 7) of the support plate 20 in order to set the support angle of the support plate 20 stepwise is the center of the shaft engagement hole 42. For example, three are formed at an appropriate interval on a virtual arc.

  As shown in FIG. 6, by attaching the speaker unit 1a to the bracket portion 4 formed integrally with the upper panel portion UP, the vertical direction of the speaker 3 is supported so that the angle can be changed. That is, the shaft projection 27 is fitted into the shaft fitting hole 42 of the bracket portion 4 while the shaft arm portion 28 of the support plate 20 is elastically deformed slightly inward, so that the support plate 20 is hinged to the bracket portion 4 and swings. It becomes possible to move. And the speaker unit 1a is attached to the upper panel part UP by elastically deforming the arm part 26 inward and engaging the engaging protrusion 25 with any of the engaging holes 41 of the bracket part 4.

  The speaker unit 1a can swing around the shaft protrusion 27 fitted in the shaft fitting hole 42 by applying an external force by a human hand, and the arm portion 26 is deformed inward in conjunction with this. However, the engagement protrusion 25 can be engaged with any one of the engagement holes 41. In a state where the engagement protrusion 25 is engaged with any one of the engagement holes 41, the support plate 20 is held by the bracket portion 4 at an angle that maintains the engagement state. In this manner, the speaker unit 1a can select and adjust the mounting angle of the speaker 3 step by step by swinging the engagement protrusion 25 so as to engage with any of the engagement holes 41. It is like that.

  In addition to the above, the above-described engagement mechanism that adjusts the support angle in steps by selecting any of the engagement positions, for example, along an arc centered on the shaft fitting hole 42 in the bracket portion 4. A structure in which a plurality of engagement protrusions are formed and an engagement hole that engages with the engagement protrusion may be provided at the tip of the arm portion 26 of the support plate 20 may be employed. Further, in the present embodiment, the structure is described in which the arm portion 26 on the support plate 20 side is elastically deformed and disengaged when an external force is applied to the speaker unit 1a to be rocked. The bracket portion 4 may be provided with an elastic engagement portion so that the support angle of the speaker unit 1a can be set in multiple stages.

  As described above, according to the acoustic device of the present embodiment, the installation angle of the speaker 3 is set in multiple stages via the support plate 20 with respect to the bracket portion 4 formed integrally with the upper panel portion UP of the slot machine SM. I was able to do it. As a result, even if the appearance design of the front mask is changed due to a model change of the slot machine SM, the installation angle of the speaker 3 can be adjusted appropriately according to the position of the player. This makes it possible to easily optimize the performance conditions of the sound device without damaging and to maximize the production effect.

FIG. 1 is a diagram for explaining the directivity of a sounding body. FIG. 2 is a perspective view showing an external structure of the slot machine according to the embodiment of the present invention. FIG. 3 is a view showing the internal structure of the acoustic apparatus according to the first embodiment of the present invention, and is a perspective view of the upper panel portion of the slot machine with the speaker cover removed. FIG. 4 is an exploded perspective view showing the structure of the speaker unit built in the acoustic apparatus according to the first embodiment of the present invention. FIG. 5 is a diagram for explaining the angle adjusting action of the speaker in the acoustic apparatus according to the first embodiment of the present invention. FIG. 6 is a diagram showing the internal structure of the acoustic device according to the second embodiment, and is a perspective view of the upper panel portion of the slot machine with the speaker cover removed. FIG. 7A is a perspective view showing the external structure of the speaker unit according to the second embodiment. FIG. 7B is an exploded perspective view of the speaker unit according to the second embodiment. FIG. 8 is a view showing the internal structure of the acoustic apparatus according to the second embodiment, and is a perspective view of the upper panel portion of the slot machine with the speaker cover and the speaker unit removed.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 1a ... Speaker unit, 2 ... Mounting member, 3 ... Speaker, 4 ... Bracket part,
10 ... Substrate,
11 ... Flat plate part, 12 ... Rib part, 13 ... Opening, 14 ... Screw hole,
15 ... Bracket part, 16 ... Engagement hole, 17 ... Shaft fitting hole, 18 ... Guide groove,
20 ... support plate,
21 ... Flat plate part, 22 ... Rib part, 23 ... Opening, 24 ... Screw boss part,
25 ... engaging protrusion, 26 ... arm portion, 27 ... shaft protrusion, 28 ... shaft arm portion,
31 ... Main body of speaker 32 ... Flange part 33 ... Screw hole,
41 ... engaging hole, 42 ... shaft fitting hole,
SM ... Slot machine, MB ... Housing, FD ... Front door,
UP ... upper panel, MP ... middle panel, LP ... lower panel,
TU ... saucer unit, EDP ... lighting panel, LDD ... lighting device,
LCD ... Liquid crystal display unit, SED ... Sound device, FW ... Display window,
PU ... Panel unit, R1, R2, R3 ... Reel, OPT ... Console,
MD: medal insertion part, BET: bet button, SL: start lever,
SB1, SB2, SB2 ... stop button, MEX ... medal payout exit

Claims (2)

An acoustic device for a gaming machine that houses a speaker having directivity in an acoustic panel member,
An attachment member comprising a base fixed to the inner wall of the acoustic panel member, and a support plate supported so as to be capable of changing the angle in multiple stages with respect to the base;
An acoustic device for a gaming machine, wherein an installation angle can be changed by mounting the speaker on a support plate of the mounting member. The base body and the support plate of the mounting member are each formed to have a plate shape, and each end side is connected by a hinge and can be swung with each other, and the hinge is attached to a bracket portion provided on the base body. A plurality of engagement holes are formed along a swinging arc as a shaft, and elastic engagement protrusions are formed on the support plate that are interlocked along the arc arrangement of the engagement holes when the support plate is swung. ,
The mounting member is configured to select a support angle of the support plate with respect to the base in a stepwise manner by engaging an elastic engagement protrusion on the support plate with one of the engagement holes on the base side. The acoustic device for a gaming machine according to claim 1, which is possible.

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