JP2013102979A - Board mounting structure of game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the wiring of a fraudulent component from being inserted between a relay board and a board holding member.SOLUTION: A board holding member 60 includes an outer peripheral projecting wall 62 that is projectingly provided in a manner approaching the outer peripheral end edge 95C in a part opposing the outer peripheral end edge 95C of a first relay board 95, and extended so as to surround without a gap the nearly entire circumference of the first relay board 95. Accordingly, when the first relay board 95 is installed in the board holding member 60, the wiring or the like of a fraudulent component can be prevented from being inserted from a clearance between the outer peripheral end edge 95C of the first relay board 95 and the outer peripheral projecting wall 62 into the rear side board face 95B of the first relay board 95.

Description

  The present invention relates to a board mounting structure of a gaming machine provided with a relay board disposed on a board holding member.

  For example, a pachinko machine, which is one of the representative examples of gaming machines, has a gaming area in which a pachinko ball is launched on the front surface in an inner frame as a main frame that is assembled to an outer frame as a fixed frame. A game board is detachably disposed. On the front side of the game board, a start winning device, a special winning device, a light emitting effect device that performs a light emitting effect in accordance with the gaming state (hereinafter referred to as an electrical component), and the like are arranged. In addition, a box-shaped installation member is disposed on the rear side of the game board, and a movable effect device, a decoration member, and the like that are visible from the front side of the game board are disposed on the front side of the installation board. On the rear side of the installation member, a liquid crystal type or drum type symbol display device is provided which displays various symbols in a variable manner to produce a symbol variation effect. In such a pachinko machine, a game ball that launches into the game area and flows down in the game area wins a start opening provided in the start winning device, thereby starting a symbol variation effect on the symbol display device. The game balls are configured to be paid out as prize balls. Then, as a result of the symbol variation effect, when a specific symbol combination (big hit symbol) is displayed on the symbol display device, a special game (hit game) advantageous to the player is generated, and the effect on the symbol display device At the same time, after opening the winning opening of the special winning device, a predetermined round game set in advance is repeated to give the player an opportunity to pay out a lot of prize balls.

  The installation member is formed in a box shape opened to the front, an installation wall part facing the back from the rear surface of the game board at a predetermined interval, and an outer periphery extending forward from a peripheral part of the installation wall part And a wall portion, and the front end edge of the outer peripheral wall portion abuts on the rear side of the game board and is disposed on the rear side of the game board. On the rear side of the installation wall part of the installation member, a board installation part is provided below the symbol display device, and various relay boards such as a main relay board provided with a plurality of connector connection terminals are provided on the board installation part. It is arranged. The main relay board is connected with wiring from a ball detection sensor disposed at the start winning opening, special winning opening, etc., and wiring from a main controller that comprehensively controls the pachinko machine. . That is, the main relay board is for electrically connecting signals from the respective ball detection sensors and the like to the main controller.

  The main relay board is mounted to a board holding member formed in a tray shape in a state where the surface on which the connector connection terminals are disposed is exposed (a state where the back side board surface on which the circuit is printed is protected). . Then, the main relay board is attached to the installation member by attaching the board holding member to the board installation part. A gaming machine employing such a board mounting structure is disclosed in Patent Document 1.

JP 2010-273908 A

  By the way, the substrate holding member is formed in a tray shape that is slightly larger than the size of the relay substrate so that the relay substrate can be easily attached to the substrate holding member. For this reason, an appropriate gap is formed between the substrate holding member and the outer peripheral edge of the mounted relay substrate. Therefore, there is a possibility that wiring of illegal parts such as a so-called hanging board is inserted into the back side circuit surface of the main relay board using the gap and connected to the connector pin of the connector terminal. When such an unauthorized part is connected to the main relay board, it becomes possible to perform an illegal act of acquiring a large number of prize balls by illegally operating the payout control device via the main relay board by the unauthorized part. Measures to prevent such illegal activities are desired.

  That is, the present invention has been proposed in order to solve these problems inherent in the board mounting structure in the gaming machine according to the prior art, and an illegal component is provided between the relay board and the board holding member. It is an object of the present invention to provide a board mounting structure for a gaming machine that can prevent wiring from being inserted.

In order to solve the above problems and achieve the intended purpose, the invention according to claim 1 of the present application is
A relay board (95) having connector connection terminals (96, 97) on the surface, and a board holding member (60) to which the relay board (95) is attached with the surface exposed, ) By detachably mounting the substrate holding member (60) on the substrate installation portion (55) provided on the rear side of the installation member (40) disposed on the rear side, the relay substrate (95) In the board mounting structure of the gaming machine configured to be disposed on the installation member (40),
The substrate holding member (60)
A portion of the relay board (95) facing the outer peripheral edge (95C) is projected so as to be close to the outer peripheral edge (95C), and extends so as to surround substantially the entire circumference of the relay board (95) without a gap. With existing protective wall (62),
The gist is that the wiring of unauthorized parts cannot be inserted from between the relay board (95) and the protective wall portion (62) to the back board surface (95B) of the relay board (95). .

  Therefore, according to the first aspect of the present invention, when the relay board is attached to the board holding member, the protective wall portion of the board holding member comes close to the outer peripheral edge of the relay board and extends over the entire circumference of the relay board. Goes without gaps. As a result, it becomes impossible to insert the wiring of the illegal component from between the protective wall portion and the outer peripheral edge of the relay board to the back board surface of the relay board, and the wiring is connected to the connector pin of the connector terminal. It is possible to prevent cheating performed by

In the invention according to claim 2,
The substrate holding member (60) is formed such that a protective surface portion (61) facing the back substrate surface (95B) of the relay substrate (95) is close to at least a circuit forming portion on the back substrate surface (95B). And
The gist is that the wiring of unauthorized parts cannot be inserted between the back substrate surface (95B) and the protective surface portion (61).
Therefore, according to the second aspect of the present invention, in a state where the relay board is attached to the board holding member, the holding surface portion of the board installation member is close to the relay board so that the wiring of unauthorized parts cannot be inserted. Since the configuration is adopted, it is possible to prevent an unauthorized act of connecting the wiring of the unauthorized component to the relay board.

In invention of Claim 3,
An abutting portion (91) of a component (90) disposed on the rear side of the installation member (40) contacts a part of the protective wall portion (62) of the substrate holding member (60) from the rear. A contacted part (66) is provided,
When the contact portion (91) of the component (90) disposed on the installation member (40) contacts the contacted portion (66), the substrate holding member (60) is moved to the substrate installation portion (55). The main point is that it is configured to be non-removable.
Therefore, according to the third aspect of the invention, the component is disposed on the rear side of the installation member in a state where the substrate holding member is mounted on the substrate installation unit, so that the substrate holding member is removed from the substrate holding unit by the component. It becomes impossible to remove, and removal of the relay board for the purpose of fraud can be prevented.

  According to the board mounting structure of a gaming machine according to the present invention, it is possible to prevent the wiring of unauthorized parts between the relay board and the board holding member.

It is a front view of the pachinko machine of an example. It is a rear view of the pachinko machine of an example. It is a perspective view which shows the game board in the pachinko machine of an Example in the state which removed the 1st movable production | presentation apparatus. It is the perspective view which looked at the installation member which has arrange | positioned the relay board | substrate in the 1st-3rd board | substrate installation part from back lower direction. It is a rear view which shows the state which attached the board | substrate holding member which mounted | wore the 1st board | substrate installation part with the 1st relay board | substrate. FIG. 6 is a sectional view taken along line XX of FIG. 5. It is a perspective view which shows the state which removed the board | substrate holding member which mounted | wore with the 1st relay board | substrate from the 1st board | substrate installation part. It is the perspective view which looked at the 1st relay substrate and the substrate holding member from the back lower part. It is the perspective view which looked at the 1st relay substrate and the substrate holding member from the front upper part. (a) is a rear view of the elastic portion, (b) is a cross-sectional view taken along the line ZZ of (a), and the engagement protrusion and the engagement receiving portion are engaged and disengaged due to the deformation of the elastic portion. An embodiment is shown. FIG. 6 is a cross-sectional view taken along line YY of FIG. 5, showing a state in which the contact portion of the mounting member disposed on the rear side of the installation member is in contact with the substrate holding member.

  Next, a board mounting structure for a gaming machine according to the present invention will be described in detail below with reference to the accompanying drawings by giving a preferred embodiment. As a gaming machine, a general pachinko machine P will be described as an example. In the following description, “front”, “rear”, “left”, and “right” refer to the pachinko machine P viewed from the front (player side) as shown in FIG. 1 unless otherwise specified. Named by state.

(Pachinko machine)
As shown in FIG. 1, the pachinko machine P according to the embodiment is formed in a rectangular frame shape that opens forward and backward, and an outer frame A as a fixed frame that is installed in a vertically installed posture on an installation frame base (not shown) of a game shop. A middle frame B as a main body frame for detachably holding the game board D is assembled to the front side of the opening so as to be openable and detachable. Then, on the back side of the game board D, the design for the presentation is variably displayed triggered by the establishment of a predetermined condition (pachinko ball (game ball) winning in the starting winning port 20A of the starting winning device 20 described later). A symbol display device H for performing a variation effect is detachably disposed. Further, on the front side of the middle frame B, a decoration configured to cover a window portion opened in the front and back with a glass plate for transparently protecting the game board D and a transparent protective plate 26 formed of a transparent synthetic resin material. A front frame C as a frame is assembled so as to be openable and closable, and a lower ball tray F that stores pachinko balls below the front frame C is assembled to the middle frame B. Further, an upper ball tray E for storing pachinko balls is integrally assembled at a lower position of the front frame C, and the upper ball tray E is also opened and closed integrally with the opening and closing of the front frame C. The

  An operation handle G for operating a ball striking device (not shown) disposed in the middle frame B is provided at a lower right position of the middle frame B. The ball striking device is operated by operating the operation handle G. Is activated, the pachinko balls stored in the upper ball dish E are continuously fired toward the game board D one by one at a predetermined interval (for example, every 0.6 seconds). ing. In the embodiment, a liquid crystal display device in which a liquid crystal panel capable of displaying various symbols is housed in a housing case is adopted as the symbol display device H, but the present invention is not limited to this, and a drum-type symbol display device, Various conventionally known display devices capable of stopping and variably displaying various symbols such as a dot matrix type symbol display device can be adopted. Further, the upper ball tray E may be formed separately from the front frame C and assembled to the middle frame B so as to be opened and closed.

  As shown in FIG. 2, a ball tank 30 for storing pachinko balls supplied from an external ball supply facility (not shown) provided on an installation frame base or the like is disposed above the rear side of the middle frame B. In addition, a set in which a ball supply path that communicates with the upper and lower ball dishes E and F and a ball discharge path that communicates with a ball collection basket provided on the installation frame base are respectively formed below the upper and lower center of the rear side. A member 31 is provided. Further, on the left side of the back side of the middle frame B, a ball passage unit 32 that connects the ball tank 30 and the set member 31 in communication is installed up and down, and a ball payout device 33 disposed in the ball passage unit 32. The pachinko balls supplied to the ball tank 30 by driving are supplied to the upper and lower ball dishes E and F. The set member 31 is provided with a payout control device 124 for driving and controlling the ball paying device 33, a firing control device 123 for driving and controlling the hitting ball launching device, and the like. The payout control device 124 is electrically connected to a main control device 120 mounted on the rear side of an installation member 40 (described later) disposed on the back side of the game board D via a second relay board 85 (described later). The payout control device 124 controls the ball payout device 33 based on a control signal from the main control device 120. The launch control device 123 is also electrically connected to the main control device 120, and the launch control device 123 controls the hit ball launching device based on a control signal from the main control device 120.

(Game board)
As shown in FIGS. 1 and 3, the game board D is made of a light-transmitting synthetic resin board such as acrylic or polycarbonate, or a wood plywood such as veneer, and is provided on the middle frame B. It is formed in a substantially rectangular flat plate shape having an outer edge that matches the inner edge shape (not shown), and a game area 10 is provided on the front side thereof, and an installation member 40 described later is provided on the rear side thereof. Yes. On the front side of the game board D, an outer rail 11 that extends in an arc shape from the lower left part to the upper right part, an inner rail 12 that is arranged inside the outer rail 11 from the center lower part to the upper left part, and the outer rail 11 A panel decoration member 13 or the like configured in a curved shape recessed rightward is disposed between the upper right portion of the rail and the lower portion of the inner rail 12, and the inner side surrounded by the rails 11 and 12 and the panel decoration member 13. Is configured as the gaming area 10. Thereby, the pachinko ball launched from the hitting ball launching device passes between the outer rail 11 and the inner rail 12 and is launched to the upper left part of the game area 10 and then flows down in the game area 10. However, the extending length of the inner rail 12 may be set to be large so that the game area 10 is formed by the outer rail 11 and the inner rail 12.

  As shown in FIG. 3, the game board D is provided with a frame-shaped decorative member 28 having a large through-hole formed in the center and a display window 28A that is opened in the front and rear to serve as a game effect area. Arranged at the opening edge of the mouth. The front part of the frame-shaped decorative member 28 is decorated in accordance with the game content performed by the symbol display device H. And the display part H1 in the symbol display apparatus H arrange | positioned so that attachment or detachment is possible from the rear side with respect to the said installation member 40, the 1st-3rd decoration member 46 arrange | positioned at the front side of this installation member 40, 47, 48 and the first to third movable effect devices 49, 50, 51, etc. are arranged so as to face the display window 28A of the frame-shaped decorative member 28. A flow-down path 15 is formed between the frame-shaped decorative member 28 and the panel surface decorative member 13 so that the pachinko balls can flow down.

  The gaming board D has a first mounting opening at the center of the left and right of the gaming board D just below the through opening, and a second mounting opening right below the through opening (right side of the first mounting opening). Is opened, and a third mounting port is opened on the left side of the first mounting port. As shown in FIG. 3, a start winning device 20 having a start winning port 20A is disposed from the front side at the first mounting port, and an open / close door 21A special winning device 21 is provided at the second mounting port. Are arranged from the front side, and a normal prize-winning tool 22 in which three prize-winning holes 22A are arranged on the left and right are arranged at the third mounting opening. That is, the special prize-winning device 21 is located below the flow-down path 15 formed on the right side of the frame-shaped decorative member 28. A large number of ball guide nails 23, rotating ball guide tools 25, and the like are arranged in the game area 10 on the front surface of the game board D.

  Each of the start winning device 20, the special winning device 21 and the normal winning device 22 is individually provided with a ball detection switch for detecting a pachinko ball that has won a prize, and a ball detection signal from each ball detection switch It is attached to the rear side of the member 40 and sent to the main controller 120 that comprehensively controls the pachinko machine P. When the main control device 120 receives a detection signal from the ball detection switch of the start winning device 20, the main control device 120 performs a lottery lottery and outputs a control signal to a general control device 121 attached to the rear side of the installation member 40. Then, the symbol display device H performs a symbol variation effect and outputs a control signal to the payout control device 124 disposed on the rear side of the middle frame B, so that a predetermined number of prize balls are given to the ball payout device 33. To pay out. And, when a big win occurs as a result of the big win lottery in the main control device 120, after the symbol variation effect on the display unit H1 of the symbol display device H, the display unit H1 with a predetermined symbol combination Is stopped and the open / close door 21A of the special prize-winning device 21 is displaced to the open position so that a large number of pachinko balls can be won. When the main control device 120 receives a detection signal from the ball detection switch of the special winning device 21, the main control device 120 outputs a control signal to the payout control device 124 to cause the ball payout device to pay out a predetermined number of prize balls. . Further, when receiving a detection signal from the ball detection switch of the normal winning tool 22, the main control device 120 outputs a control signal to the payout control device 124 and pays out a predetermined number of prize balls to the ball payout device 33. Let

(Installation material)
As shown in FIGS. 3 and 4, the installation member 40 is a synthetic resin member integrally formed in a substantially rectangular bucket shape that opens forward, and has a front open end on the rear surface of the game board D. It is abutted and attached to the game board D. The installation member 40 opposes the rear surface of the game board D from the rear at a required interval, and extends forward from the peripheral edge of the installation wall part 41 to configure the rear surface of the game board D. The outer peripheral wall portion 42 is formed, and an edge plate portion 43 that is bent outward from the front end of the outer peripheral wall portion 42 is provided. That is, the installation member 40 has a rectangular front opening that is surrounded by the outer peripheral wall portion 42 and opens to the game board D side, and the outer peripheral edge of the edge plate portion 43 is more than the outer peripheral edge of the game board D. It is formed with a small shape and size. Such an installation member 40 is fixed to the game board D by screwing the edge plate portion 43 to the rear surface of the game board D, and is arranged on the front side of the installation wall part 41 spaced from the rear surface of the game board D. The first to third decorative members 46, 47, 48, the first to third movable effect devices 49, 50, 51, and other spaces SP are defined to define a space SP. It is configured.

  As shown in FIGS. 3 and 4, a substantially rectangular display opening 44 penetrating in the front-rear direction is formed in the installation wall portion 41 of the installation member 40. Further, a mounting portion 45 for fixing the symbol display device H is provided on the rear side of the installation wall 41, and the symbol display device H can be attached and detached with the display portion H1 facing the display opening 44. Attached to. The symbol display device H is a unit member in which a liquid crystal panel forming a display portion H1 capable of displaying various symbols is accommodated in an accommodation case, and as shown in FIG. A display control device 122 that performs display control of the display unit H1 of the display device H, and the overall control device 121 that comprehensively controls game effects of the pachinko machine P are disposed. The overall control device 121 is disposed on the symbol display device H, the lamp device disposed on the front frame C, and the middle frame B via a second relay substrate 85 disposed on the rear side of the installation wall portion 41. The provided speakers and the like are electrically connected, and the operation of each device is controlled based on a control signal output from the overall control device 121. In addition, the overall control device 121 has a lighting device disposed on each of the first to third decorative members 46, 47, 48 disposed on the front side of the installation wall portion 41 via the second relay substrate 85. Wiring derived from the above, wirings derived from the driving devices and lighting devices disposed in the first to third movable rendering devices 49, 50, 51, etc. are electrically connected, Based on the control signal output from the control device 121, the lighting control of each lighting device and the operation of each movable effect device 49, 50, 51 are controlled.

  As shown in FIGS. 1 and 3, in the installation wall portion 41, the first decorative member 46 is disposed in front of the upper plate portion 41 </ b> A located above the display opening 44. The second decorative member 47 is disposed in front of the right plate portion 41B positioned on the right, and the third decorative member 48 is disposed in front of the left plate portion 41C positioned on the left of the display opening 44. ing. In addition, a first movable effect device 49 is disposed on the front side of the first decorative member 46, and a second movable effect device 50 is disposed on the front side of the second decorative member 47. Further, on the front side of the installation wall portion 41, a third movable effect device 51 is arranged in a space formed between the installation wall portion 41 and the first to third decorative members 46, 47, 48. It is installed. The wirings led out from the first to third decorative members 46, 47, 48 and the first to third movable effect devices 49, 50, 51 are installed from the required position of the installation wall portion 41. To the connector connection terminal of the second relay board 85.

(Board installation part)
As shown in FIG. 4, the installation member 40 has a plurality of (three in the embodiment) substrate installations on the rear side of the lower plate portion 41D located below the display opening 44 in the installation wall portion 41. Portions 55, 56, and 57 are formed. In the following description, the board placement section 55 located on the left side (right side in FIG. 4) is referred to as a “first board placement section”, and the board placement section 56 located in the left and right center is referred to as a “second board placement section”. And the substrate placement portion 57 located on the right side (left side in FIG. 4) is designated as a “third substrate placement portion”. A first relay board 95 is held on the first board installation section 55, a second relay board 85 is held on the second board installation section 56, and a third relay board 110 is held on the third board installation section 57. Retained. An attachment member (component) 90 (see FIGS. 2 and 11) to which the main control device 120 is attached is detachably disposed on the rear side of the lower plate portion 41D. The installation parts 55, 56, 57 are covered from the rear. Further, in the following explanation regarding the first to third board installation portions 55, 56, 57, the first to third boards 95, 100, 105 and the members and parts related thereto, the game board D is viewed from the back side. It shall be pointed to the left and right with respect to the state.

(First board installation part)
As shown in FIGS. 5 to 7, the first substrate installation portion 55 is an installation portion 80 formed in a shape that matches an external contour shape of a substrate holding member (described later) 60 to which the first relay substrate 95 is attached. Holding pieces (holding portions) 81, 81 provided at the upper left corner and the lower left corner of the installation portion 80, and a latch receiving portion provided at the lower plate portion 41D on the right side of the installation portion 80 (Locked portion) 82. The first substrate installation portion 55 is configured so that the substrate holding member 60 can be detachably attached from the rear side of the installation member 40.

(Installation section)
As shown in FIG. 7, the installation portion 80 is a rectangular portion surrounded by a plurality of protruding wall portions protruding rearward from the rear surface of the lower plate portion 41 </ b> D in the installation wall portion 41. That is, the installation portion 80 includes a bottom wall portion 83 that is a part of the lower plate portion 41D, a right vertical wall portion 84 that constitutes the right edge of the installation portion 80 and extends up and down, and the installation portion 80 The left vertical wall portion 85 that forms the left edge and extends up and down, the upper horizontal wall portion 86 that forms the upper edge of the installation portion 80 and extends to the left and right, and the lower edge of the installation portion 80 And a lower horizontal wall portion 87 extending left and right. As shown in FIG. 7, the vertical interval S1 between the opposing wall surfaces of the upper horizontal wall portion 86 and the lower horizontal wall portion 87 is set to be the same as the vertical dimension T1 of the substrate holding member 60, and the right vertical wall portion 84 and the left The left-right distance S2 between the opposing wall surfaces of the vertical wall portion 85 is set to be the same as the horizontal dimension T2 of the substrate holding member 60, and the rear portions 41D of the wall portions 84, 85, 86, 87 are rearward. The protrusion height S3 is set to be the same as the thickness dimension T3 of the substrate holding member 60. As shown in FIG. 7, the installation unit 80 is an inspection unit (not shown) that is provided in the normal prize-winning tool 22 and temporarily installs an inspection device (such as a switch) when the pachinko machine P is inspected. An opening 54 that is provided in the rear and communicates with the inspection portion is formed in the bottom wall portion 83 of the installation portion 80. With the substrate holding member 60 removed from the installation portion 80, the opening 54 is opened. The inspection device can be attached to and detached from the inspection unit. The right vertical wall portion 84, the left vertical wall portion 85, and the upper horizontal wall portion 86 are formed along a part of the corresponding edge of the installation portion 80.

(Holding piece)
As shown in FIGS. 5 and 7, each of the holding piece portions 81, 81 is a hook-like portion extending from the rear surface of the lower plate portion 41D of the installation wall portion 41B to the rear side of the installation portion 80. The surface of the holding piece 81 that faces the bottom wall 83 is formed in a plane parallel to the bottom wall 83. An interval in the front-rear direction between the holding piece portions 81, 81 and the bottom wall portion 83 is the same as the protruding height S 3, and the substrate holding portion is provided between the holding piece portion 81 and the bottom wall portion 83. The left edge of the member 60 can be inserted from the left side. That is, each holding piece portion 81 functions to abut on the left side portion of the substrate holding member 60 mounted on the installation portion 80 from the rear side to hold the substrate holding member 60 on the installation portion 80.

(Lock receiving part)
As shown in FIGS. 5 and 7, the right vertical wall portion 84 is formed to have a length that is about half of the vertical interval S <b> 1 of the installation portion 80, and the lower left portion of the installation portion 80 opens leftward. On the right side of the open portion, a partition wall portion 88 extending in the vertical direction with a length corresponding to the open portion is formed at the same protrusion height as that of the right vertical wall portion 84. An opening 89 is formed between the installation portion 80 and the partition wall portion 88 by cutting out the lower plate portion 41 </ b> D of the installation wall portion 41 and opening the installation portion 80. An elastic portion (described later) 67 and a contact piece portion 66 provided so as to protrude rightward from the substrate holding member 60 are aligned with the opening 89 (see FIGS. 5 and 6). As shown in FIGS. 6, 7, and 10, at the rear end of the wall surface facing the opening 89 of the partition wall portion 88, the locking receiving portion that is spaced apart vertically and protrudes toward the installation portion 80 side. 82 and 82 project. As shown in FIG. 10A, the vertical interval K1 between the locking receiving portions 82, 82 is slightly larger than the vertical width K2 of the operation portion 70 of the elastic portion 67 provided on the substrate holding member 60. It is set, and the operation part 70 can enter between the both latch receiving parts 82 and 82 from the left side (see FIGS. 10A and 10B).

  As shown in FIGS. 10 (a) and 11 (b), each of the latch receiving portions 82 and 82 has a contact surface 82A formed at a portion directed toward the installation portion 80 and a portion directed toward the front side. And a locking surface 82B formed on the surface. The latch receiving portions 82 and 82 are provided in the elastic portion 67 in a normal state where the elastic portion 67 is not deformed when the substrate holding member 60 is set in a normal posture on the installation portion 80. It is provided so as to be positioned on the rear side of locking protrusions (locking portions) 71, 71 described later. That is, when the substrate holding member 60 is attached to the installation portion 80, each of the latch receiving portions 82 comes into contact with the displacement portion 69 of the elastic portion 67 from the right side, and the elastic portion 67 can be elastically deformed. Further, when each of the latch receiving portions 82 is appropriately set with the substrate holding member 60 in the installation portion 80, the locking surface 82B contacts the locking projection 71 provided on the elastic portion 67 from the rear. In contact therewith, the elastic portion 67 is locked.

(Substrate holding member)
The substrate holding member 60 is a tray-like member that opens rearward as shown in FIGS. 7 to 9, and a plate-like installation surface portion (protective surface portion) 61 on which the first relay substrate 95 is installed, and the installation An outer peripheral protruding wall portion (protective wall portion) 62 that extends along the outer peripheral edge of the surface portion 61 and protrudes backward, and extends from the upper right corner and the lower right corner at the rear end of the outer peripheral protruding wall portion 62 to the left. And a board locking portion 63 formed so as to protrude. Further, the substrate holding member 60 includes an elastic portion 67 formed on the right side of the installation surface portion 61 so as to be elastically deformable and detachably engaged with the engagement receiving portions 82 and 82.

(Installation surface)
An installation step 61A is formed on the installation surface 61 along the outer edge facing the outer peripheral protruding wall 62. As shown in FIG. 6, the outer edge of the back substrate surface 95B of the first relay substrate 95 is It abuts on the installation step 61A. Accordingly, the substrate holding member 60 is configured such that the first relay substrate 95 is attached in a state where the back side substrate surface 95B of the first relay substrate 95 is close to the installation surface portion 61. Further, the installation surface portion 61 is configured in the same shape and size as the first relay substrate 95, and a circuit forming portion of the back side substrate surface 95B is disposed adjacent to the entire back side substrate surface 95B of the first relay substrate 95. Appropriate coating. Here, the back side board surface 95B of the first relay board 95 is close to the installation surface part 61. However, the back side board surface 95B and the installation surface part 61 are not in direct contact with each other. This means that the back-side substrate surface 95B and the installation surface portion 61 are opposed to each other at intervals at which no foreign matter can enter.

  As shown in FIG. 8, the vertical interval L <b> 1 on the inner peripheral surface of the outer peripheral protruding wall portion 62 is set to be the same as the vertical dimension M <b> 1 of the first relay substrate 95, and on the inner peripheral surface of the outer peripheral protruding wall portion 62. The left-right distance L2 is set to be the same as the horizontal dimension M2 of the first relay board 95, and the depth L3 from the rear end of the outer peripheral protruding wall 62 to the installation step 61A is the first relay board. It is set to be the same as the plate thickness M3 of 95. Accordingly, the substrate holding member 60 is configured such that the first relay substrate 95 is attached in a state in which the outer peripheral edge 95C of the first relay substrate 95 is surrounded in proximity to the inner peripheral surface of the outer peripheral protruding wall 62. ing. Here, the fact that the outer peripheral protruding wall portion 62 of the substrate holding member 60 and the outer peripheral edge 95C of the first relay substrate 95 are close to each other means that the back substrate surface 95B and the installation surface portion 61 are in contact with each other without a gap. This indicates that the outer peripheral protruding wall portion 62 and the outer peripheral edge 95C are opposed to each other in a state in which foreign matter such as wiring of illegal parts is not allowed to enter.

  Further, as shown in FIG. 8, a locking boss 64 protruding rearward is provided on the lower right side of the installation surface portion 61, and a screw fastening boss 65 protruding rearward is provided on the lower left side of the installation surface portion 61. Is provided. The locking boss 64 enters and locks into a locking hole 98 provided on the lower right side of the first relay board 95 from the front side, and the screw fastening boss 65 is positioned below the first relay board 95. The screw insertion hole 99 provided on the left side is aligned from the front side.

  Further, as shown in FIG. 9, the substrate holding member 60 is formed with a protrusion 75 protruding forward on the front surface which is the back surface of the installation surface portion 61, and further on the front surface of the protrusion 75. A projecting piece 76 projecting toward the top is formed. As shown in FIG. 6, the protrusion 75 and the protrusion piece 76 are formed in the opening 54 formed in the bottom wall portion 83 when the substrate holding member 60 is attached to the installation portion 80 in a normal posture. The projecting part 75 is fitted, and the projecting piece part 76 faces an inspection part (not shown). The outer peripheral contour shape of the protrusion 75 is formed in substantially the same shape as the peripheral contour shape of the opening 54, and when the protrusion 75 is fitted into the opening 54, substantially the entire opening of the opening 54 is formed. It is designed to be covered. Further, the protruding piece 76 extends into the inspection portion located in front of the opening 54 and divides the inspection portion into a plurality of small regions, so that an unauthorized part of a predetermined size is installed in the inspection portion. It functions to prevent this. Here, the illegal component is, for example, a board for causing the start winning device 20 or the special winning device 21 to malfunction or causing the control device to execute a game under control conditions different from preset control conditions. Refers to devices, instruments, etc. That is, the substrate holding member 60 functions as a fraud prevention unit that covers the opening 54 and divides the inspection unit. Further, at the left edge of the installation surface portion 61, as shown in FIGS. 6 and 9, etc., an inclined surface 78 having a shape that is obliquely chamfered from the outer surface of the installation surface portion 61 toward the outer surface of the outer peripheral projection wall portion 62. Is formed. The inclined surface 78 functions as a guide surface that is brought into sliding contact with the bottom wall portion 83 of the installation unit 80 when the substrate holding member 60 is mounted on the installation unit 80 of the first substrate installation unit 55.

(Board locking part)
As shown in FIGS. 5, 7, and 8, each of the substrate locking portions 63 and 63 is a bowl-shaped portion that extends from the rear end of the outer peripheral protruding wall portion 62 to the rear side of the installation surface portion 61. A surface of each substrate locking portion 63 facing the installation surface portion 61 is formed in a plane parallel to the installation surface portion 61. A distance in the front-rear direction between each of the substrate locking portions 63 and the installation step portion 61A is the same as the depth L3, and the first locking portion 63 and the installation step portion 61A are disposed between the first step. The right edge of the relay board 95 can be inserted from the left side. That is, each board locking part 63 is in contact with the right side portion of the first relay board 95 supported by the installation step part 61A from the rear side so as to hold the first relay board 95 on the installation surface part 61. Function. Each substrate locking portion 63 is provided at the upper right corner portion and the lower right corner portion of the outer peripheral protruding wall portion 62, and when the substrate holding member 60 is mounted on the installation portion 80 of the first substrate installation portion 55. , And does not interfere with the holding piece portion 81.

(Elastic part)
As shown in FIGS. 5 to 10, the substrate holding member 60 includes the elastic portion 67 that is formed integrally with the right edge of the installation surface portion 61 and protrudes forward and rightward. As described above, the elastic portion 67 is detachably deformed to the locking receiving portions 82 and 82 configured as the first substrate holding portion 55, so that the substrate holding member 60 with respect to the installation portion 80 is formed. Can be attached and detached. The elastic portion 67 includes a base portion 68 extending forward from the right edge of the installation surface portion 61, a rightward bent portion extending forward from the front portion of the base portion 68, and a displacement located on the right side of the base portion 68. And an operation portion 70 extending rearward at the rear portion of the displacement portion 69 and having a substantially J shape in plan view. Accordingly, the elastic portion 67 pushes the operation portion 70 toward the right edge side of the installation surface portion 61 with a fingertip or the like, so that a bent portion connecting the displacement portion 69 and the base portion 68 is deformed, and the displacement portion 69 is The displacement portion 69 moves away from the installation surface portion 61 and elastically returns to the original state by releasing the external force applied to the operation portion 70 while moving closer to the installation surface portion 61 side. ing.

(Locking protrusion)
As shown in FIGS. 9 and 10 (a), the operation portion 70 having a vertical width K2 is set to be smaller than the vertical width of the displacement portion 69, and the rear edge of the upper edge of the displacement portion 69 is the operation portion. 70 protrudes upward from 70 and the rear end of the lower edge of the displacement portion 69 protrudes downward from the operation portion 70. The upper and lower step portions of the displacement portion 69 and the operation portion 70 are the locking protrusions. 71, 71. Further, as described above, the locking protrusions 71 and 71 overlap the locking receiving portions 82 and 82 in the front-rear direction in the normal state of the elastic portion 67 that does not operate the operation portion 70. It latches on the latching surface 82B of the latch receiving portions 82, 82 (FIGS. 5, 6, 10 (a), 10 (b)). Further, the locking projections 71 and 71 move from the locking receiving portions 82 and 82 to the installation surface portion 61 side in a deformed state of the elastic portion 67 when the operation portion 70 is pushed to the installation surface portion 61 side. The engagement with the engagement receiving portion 82 is released (indicated by a two-dot chain line in FIG. 10B).

(Contact part)
In addition, the substrate holding member 60 includes a substantially rectangular contact piece (contacted portion) 66 extending like a hook toward the left on the upper side of the elastic portion 67 at the right edge of the installation surface portion 61. ing. As shown in FIGS. 5, 7, and 11, the contact piece 66 is formed between the partition wall 88 and the right vertical wall 84 when the substrate holding member 60 is attached to the installation portion 80. The tip of the contact piece 66 is engaged with the concave step portion 88A by aligning with the concave step portion 88A from the rear. The contact piece 66 is adapted to cover the opening 89 together with the elastic portion 67 by aligning with the concave step portion 88A, and the contact piece 66 also functions as a lid means. It has become.

  Further, as shown in FIG. 11, the contact piece portion 66 is provided with a contact portion 91 provided on the attachment member 90 disposed on the rear side of the installation wall portion 41 of the installation member 40 from the rear side. It comes to touch. That is, when the attachment member 90 is attached to the installation member 40 with the substrate holding member 60 mounted on the installation portion 80 of the first substrate installation portion 55, the contact portion 91 contacts the contact piece portion 66 from the rear. The contact piece portion 66 is configured to be sandwiched from the front and rear by the concave end portion 88 </ b> A of the partition wall portion 88 and the corresponding contact portion 91 by being in contact with each other. Thereby, when the attachment member 90 is attached to the installation wall portion 41, the attachment and detachment of the substrate holding member 60 with respect to the first substrate installation portion 55 is restricted.

(First relay board)
As shown in FIG. 8 and the like, the first relay board 95 has pachinko balls that have been won in the start winning device 20, the special winning device 21, and the normal winning device 22 on the surface 95A exposed from the substrate holding member 60. A connector connection terminal 96 to which wiring (not shown) from each ball detection switch to be detected is connected, a connector connection terminal 97 to which wiring (not shown) from the main controller 120 is connected, and the like are arranged. ing. Therefore, the first relay board 95 electrically connects the main controller 120 to the start winning device 20, the special winning device 21, the ball detecting switch of the normal winning device 22, various sensors, and the like. Further, as shown in FIG. 8, the first relay board 95 is formed with a locking hole 98 into which the locking boss 64 is fitted on the lower right side, and on the lower left side with the screw fastening boss 65. A matching screw insertion hole 99 is formed.

  The first relay board 95 is attached to the board holding member 60 configured as described above as follows. That is, with the first relay board 95 facing the installation surface portion 61 with the back side substrate surface 95B facing the installation surface portion 61, the upper right end and the lower right end of the first relay substrate 95 are placed on the front side of the substrate locking portions 63. The first relay substrate 95 is supported by the installation step portion 61 </ b> A of the substrate holding member 60 by inserting and pushing the left portion of the first relay substrate 95 toward the installation surface portion 61. Then, the locking boss 64 is engaged with the locking hole 98 and the screw 92 inserted through the screw insertion hole 99 is fastened to the screw fastening boss 65 so that the first relay board 95 is installed on the installation surface portion. 61 is fixed. As described above and as shown in FIG. 8, the vertical interval L1 on the inner peripheral surface of the outer peripheral protruding wall portion 62 is set to be the same as the vertical dimension M1 of the first relay board 95, The left-right distance L2 on the inner peripheral surface is set to be the same as the lateral dimension M2 of the first relay board 95, and the depth L3 from the rear end of the outer peripheral protruding wall portion 62 to the installation step portion 61A is the first length. Since the thickness is set to be the same as the thickness M3 of the relay board 95, the outer peripheral protruding wall portion 62 is in contact with the outer peripheral edge 95C of the first relay board 95 in a state where it is in contact with no gap. (See FIGS. 5 to 7). As a result, the circuit forming portion formed on the back side substrate surface 95 </ b> B of the first relay substrate 95 is covered and protected by the installation surface portion 61.

  The board holding member 60 on which the first relay board 95 is mounted is mounted on the first board installation section 55 configured as described above as follows. In other words, the upper left end and the lower left end of the substrate holding member 60 are inserted into the front side of the holding piece portion 81, and the right portion of the substrate holding member 60 is pushed toward the installation portion 80, whereby the elastic portion 67 is displaced. The portion 69 abuts against the abutment surface 82A of each of the locking receiving portions 82 and 82, and the displacement portion 69 moves to the installation surface portion 61 side, whereby the substrate holding member 60 is accommodated in the installation portion 80. At this time, by placing the inclined surface 78 of the substrate holding member 60 against the bottom wall portion 83 of the installation portion 80, the posture when the substrate holding member 60 is inserted is stabilized, and the first substrate installation portion 55 is not moved. The substrate holding member 60 can be easily inserted. When the substrate holding member 60 is properly set on the installation portion 80, the contact of the respective locking receiving portions 82, 82 with the displacement portion 69 is released, and the engagement of the locking receiving portions 82, 82 is released. The locking protrusions 71 are locked to the stop surface 82B. Further, as described above and as shown in FIG. 7, the vertical interval S1 is set to be the same as the vertical dimension T1 of the substrate holding member 60, and the left and right interval S2 is set to be the same as the horizontal dimension T2 of the substrate holding member 60. In addition, since the protruding height S3 is set to be the same as the thickness dimension T3 of the substrate holding member 60, the right vertical wall portion 84, the left vertical wall portion 85, the upper horizontal wall portion 86, and the lower horizontal wall portion. 87 contacts the outer edge of the substrate holding member 60 (see FIGS. 5 and 6). Further, the front surface of the installation surface portion 61 of the substrate holding member 60 is in close contact with the bottom wall portion 83 of the installation portion 80, while the projection 75 is fitted into the opening 54 and the projection piece portion 76. Extends into the inspection section. Accordingly, since the opening 54 provided in the installation portion 80 is covered with the substrate holding member 60, it is impossible to insert foreign matter such as wiring of unauthorized parts from between the installation surface portion 61 and the bottom wall portion 83. Therefore, the substrate holding member 60 functions as a fraud prevention member.

(Second board installation part)
As shown in FIG. 4, the second substrate placement unit 56 is formed in an inner edge shape that matches the outer edge shape of the second relay substrate 100 formed in a rectangular shape, and has a rectangular frame shape portion 105 that opens to the rear, A support part (not shown) that is formed on the inner wall surface of the frame-like part 105 and supports the second relay substrate 100 from the back side, and is arranged at the upper edge of the frame-like part 105 so as to be spaced apart from each other on the left and right. Two locking claws 106, 106 projecting to the left, and two locking hooks 107, 107 projecting rearwardly spaced apart from each other at the lower edge of the frame-shaped portion 105. Each locking hook 107 can be elastically deformed so that a claw portion locked to the lower edge portion of the second relay substrate 100 protrudes downward on the distal end side and the distal end side is displaced upward. . Therefore, the second relay substrate 100 is inserted into the front side of each of the locking claws 106 and 106 and the lower edge portion is pushed forward, so that the frame-shaped portion 105 is elastically deformed by the respective locking hooks 107. Set inside. Each locking claw 106 is locked to the upper edge of the second relay board 100 from the rear, and each locking hook 107 is locked to the lower edge of the second relay board 100 from the rear. The second relay board 100 is detachably locked and held on the second board installation part 56.

(Second relay board)
As shown in FIG. 4, the second relay board 100 includes wiring from the main control device 120, wiring from the overall control device 121, wiring from the display control device 122, and the first to third movable effects. A large number of wirings from the devices 47, 48, 49 are connected, and these are electrically connected. That is, the connector connection terminal 101 to which the wiring (not shown) from the main control device 120 is connected to the surface 100A of the second relay board 100 and the connector connection to which the wiring (not shown) from the overall control device 121 is connected. A connector connecting terminal 103 to which wiring (not shown) from the terminal 102 and the display control device 122 is connected is provided. The second relay board 100 is also provided with a plurality of connector connection terminals 104 to which the respective wirings from the first to third movable effect devices 47, 48, 49 are respectively connected. Accordingly, the second relay board 100 electrically connects the main control device 120, the overall control device 121, the display control device 122, the first to third movable effect devices 47, 48, 49, and the like.

(Third board installation part)
As shown in FIG. 4, the third substrate installation portion 57 is formed in an inner edge shape that matches the outer edge shape of the third relay substrate 110 formed in a rectangular shape and has a rectangular frame shape portion 115 that opens to the rear, A support portion (not shown) that is formed on the inner wall surface of the frame-like portion 115 and supports the third relay substrate 110 from the back side, and is disposed at the left and right center of the upper edge portion of the frame-like portion 115 and protrudes downward. And the two locking hooks 117 and 117 that are spaced apart from each other at the lower edge of the frame-shaped portion 115 and protrude rearward. Each locking hook 117 is elastically deformable so that a claw portion locking to the lower edge portion of the third relay substrate 110 protrudes downward on the distal end side and the distal end side is displaced upward. . Therefore, the third relay board 110 is inserted into the front side of each locking claw 116 and pushed forward on the lower edge portion, so that the inner side of the frame-shaped portion 105 is elastically deformed by each locking hook 117. Set to Each locking claw 116 is locked to the upper edge of the third relay board 110 from the rear, and each locking hook 117 is locked to the lower edge of the third relay board 110 from the rear. The third relay board 110 is detachably locked to the third board installation portion 57.

(Third relay board)
The third relay board 110 is a power supply relay board connected to a power supply device (not shown), and is connected from a connector connection terminal 111 or a general control device 121 to which a harness (not shown) from the main control device 120 is connected. A connector connection terminal 112 to which a harness (not shown) is connected is provided. That is, power is supplied to the main control device 120 and the overall control device 121 via the third relay board 110.

  In the pachinko machine P according to the embodiment configured as described above, as described above, the substrate holding member 60 to which the first relay substrate 95 is attached includes the substrate holding member 60 as the installation portion of the first substrate installation portion 55. The elastic portion 67 is deformed so that the displacement portion 69 of the elastic portion 67 comes close to the installation surface portion 61 by being aligned with 80 and pushed from behind, so that it can be easily and surely installed on the first substrate installation portion 55. Is possible. That is, when attaching the first relay board 95 to the installation part 80 of the first board installation part 55, it is not necessary to fasten screws or the like. Then, when the substrate holding member 60 to which the first relay substrate 95 is attached is set on the first substrate installation part 55, the engagement protrusion 71 provided on the elastic part 67 is provided on the first substrate installation part 55. Since the substrate holding member 60 is locked to the holding pieces 81 and 81 and the locking receiving portion 82 located on both the left and right sides of the installation portion 80 by being locked to the receiving portion 82, the first relay substrate 95 is locked. Can be reliably and stably held on the first substrate installation portion 55.

  Further, when removing the substrate holding member 60 to which the first relay substrate 95 is attached from the first substrate installation portion 55, the elastic portion 67 is elastically deformed by operating the operation portion 70 with a fingertip or the like. Since the engagement between the latch receiving portion 82 provided on the one substrate installation portion 55 and the latch protrusion 71 provided on the elastic portion 67 of the substrate holding member 60 is released, the first relay substrate 95 is attached. The substrate holding member 60 can be easily and easily detached from the first substrate installation portion 55.

  Further, by mounting the first relay board 95 on the board holding member 60, the inner peripheral surface of the outer peripheral protruding wall portion 62 of the board holding member 60 is the outer peripheral edge 95 </ b> C of the first relay board 95. Since it is surrounded in a state where it is in contact with no gap over substantially the entire circumference, foreign matter such as needles, thin plates, or wiring of unauthorized parts is inserted between the outer peripheral protruding wall 62 and the outer peripheral edge 95C of the first relay board 95. It is impossible to insert. This makes it impossible to insert foreign matter from between the outer peripheral protruding wall 62 and the outer peripheral edge 95C of the first relay substrate 95 to the circuit forming portion provided on the back side substrate surface 95B of the first relay substrate 95. It is possible to prevent an illegal act performed by connecting the foreign object to the connector pin of the connector connection terminal. In addition, the circuit forming portion formed on the back side substrate surface 95B of the first relay substrate 95 covers the entire back side substrate surface 85B by the installation surface portion 61 of the substrate holding member 60. It is suitably protected.

  Furthermore, the right vertical wall portion 84, the left vertical wall portion 85, the upper horizontal wall portion are mounted by mounting the substrate holding member 60 on which the first relay substrate 95 is mounted on the setting portion 80 of the first substrate setting portion 55. Since the inner peripheral surfaces of 86 and the lower horizontal wall portion 87 are in contact with the outer edge of the substrate holding member 60, the substrate holding member 60 is held without rattling to the first substrate installation portion 55. In addition, the holding piece portions 81 and 81 hold the right portion of the substrate holding member 60 from the rear, and the locking protrusion 71 and the locking receiving portion 82 are locked, whereby the substrate holding member 60 is installed. Since the front surface of the surface portion 61 is in close contact with the bottom wall portion 83 of the installation portion 80, the protrusion 75 extends to the inspection portion when the protrusion 75 is fitted into the opening 54. It is impossible to insert the opening needle-like or thin plate-like foreign matter or the wiring of illegal parts into the inspection part from between the bottom wall part 83 and the bottom wall part 83, and illegal acts can be suitably prevented.

  Further, since the contact portion 91 of the mounting member 90 disposed on the rear side of the installation member 40 contacts the contact piece portion 66 provided on the substrate holding member 60 from the rear side, the first substrate is installed. The attachment / detachment of the substrate holding member 60 to the portion 55 is restricted, and the attachment / detachment of the substrate holding member 60 for the purpose of fraud can be suitably prevented.

(Change example)
The gaming machine according to the present invention is not limited to the embodiment illustrated in the embodiments, and various modifications are possible.
(1) In the embodiment, the form in which the elastic portion 67 is provided at the right end of the substrate holding member 60 is illustrated, but the formation position of the elastic portion 67 is not limited to this, and the elastic portion 67 is provided at the left end of the substrate holding member 60. May be provided, or may be provided at the upper end or the lower end.
(2) The right vertical wall portion 84, the left vertical wall portion 85, the upper horizontal wall portion 86, and the lower horizontal wall portion 87 provided on the peripheral edge of the installation portion 80 are continuously arranged so as to completely surround the installation portion 80. It may be.
(3) The contact piece portion 66 may be formed at any position on the peripheral portion of the installation surface portion 61 as long as the contact portion 91 of the mounting member 90 can be contacted.
(4) If the installation surface portion 61 of the substrate holding member 60 has a shape at least close to the circuit formation portion on the back side substrate surface 95B of the first relay substrate 95, the installation surface portion 61 protects the circuit formation portion. be able to.
(5) The installation surface portion 61 may be formed in a shape close to at least a circuit formation portion on the back-side substrate surface 95B of the first relay substrate 95.
(6) In the embodiment, a pachinko machine as a gaming machine is shown, but the gaming machine is not limited to a pachinko machine and may be an arrangement ball machine or the like.

40 Installation member, 55 First substrate installation part (substrate installation part), 60 Substrate holding member 61 Installation surface part (protective surface part), 62 Outer peripheral protruding wall part (protective wall part), 66 Contact piece part (contacted part)
90 mounting member (parts), 91 contact portion, 95 first relay board (relay board), 95B back side board surface 95C outer peripheral edge, 96 connector connection terminal, 97 connector connection terminal, D game board

Claims (3)

A relay board having connector connection terminals on the surface, and a board holding member to which the relay board is attached in a state where the surface is exposed, provided on the rear side of the installation member disposed on the rear side of the game board In the board mounting structure of the gaming machine configured to dispose the relay board on the installation member by detachably mounting the board holding member on the board installation part,
The substrate holding member is
Protruding to be close to the outer peripheral edge at a portion facing the outer peripheral edge of the relay board, and provided with a protective wall portion extending so as to surround substantially the entire circumference of the relay board without gaps,
A board mounting structure for a gaming machine, wherein the wiring of illegal parts cannot be inserted from between the relay board and the protective wall portion to the back board surface of the relay board. The substrate holding member is formed such that a protective surface portion facing the back substrate surface of the relay substrate is close to at least a circuit forming portion on the back substrate surface,
2. The board mounting structure for a gaming machine according to claim 1, wherein the wiring of unauthorized parts cannot be inserted between the back-side board surface and the protective surface portion. A part of the protective wall portion of the substrate holding member is provided with a contacted portion where a contact portion of a component disposed on the rear side of the installation member contacts from behind,
The board of the gaming machine according to claim 1 or 2, wherein the board holding member is configured not to be detachable from the board installation part by abutting a contact part of the component disposed on the installation member against the contacted part. Mounting structure.

Images