JP2008245849A - Game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To maximally commonize components in a drive unit and prevent incorrect assembling. <P>SOLUTION: Right/left first drive units 10RA and 10LA are attached on the both right/left sides of the upper part of a base member, and right/left second drive units 10RB and 10LB are attached on the both right/left sides of the lower part of the base member. The right/left first drive units 10RA and 10LA, and the right/left second drive units 10RB and 10LB are defined as right/left symmetrical structures, respectively, and the first and second drive units 10LA and 10LB disposed in the left side and the first and second drive units 10RA and 10RB disposed in the right side are defined as the vertically symmetrical structures, respectively. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a gaming machine including a display device provided on the front surface of a gaming machine with a display screen capable of displaying game information facing forward, and an opening / closing device disposed in front of the display device and capable of opening and closing the display screen. About.

In a slot machine as a gaming machine, a plurality of door members that are linearly movable in the left-right direction are provided on the front surface of a display device that is provided on the front surface of the gaming machine and capable of displaying various gaming information. There is one that can perform various effects by moving a member in the left-right direction with a driving device to shield or open the display screen of the display device (see, for example, Patent Document 1).
JP 2005-40413 A

  In the gaming machine as described above, in order to open and close each door member independently, a plurality of driving devices corresponding to each door member are required. In this case, from the viewpoint of cost reduction, it is optimal that the drive device has a configuration in which parts can be shared as much as possible and erroneous assembly can be prevented.

  The present invention has been made in view of the above-described problems, and provides a gaming machine capable of maximizing the common use of components in a drive device and preventing erroneous assembly. For the purpose.

According to the present invention, the above problem is solved as follows.
(1) A game comprising a display device provided in front of a gaming machine with a display screen capable of displaying game information facing forward, and an opening / closing device disposed in front of the display device and capable of opening and closing the display screen In the machine, the opening / closing device is arranged to overlap the rear of the left and right front door members and the front door member capable of shielding and opening the display screen by moving in the left-right direction across the display screen. The left and right rear door members and the upper and lower portions of each door member are supported so as to be movable in the left and right directions, and the base member provided with the lower guide and the left and right front door members are moved in the left and right directions, respectively. Left and right first drive devices for moving the left and right rear door members in the left-right direction, and the left and right first drive devices on the base member. , One of the bottom left and right The left and right second drive devices are attached to the left and right sides of the other one of the upper and lower portions of the base member, and the left and right first drive devices and the left and right second drive devices are connected to each other. And the first and second driving devices disposed on the same side in the left-right direction are vertically symmetrical.

(2) In the above item (1), each of the driving devices includes a bracket fixed to the back surface of the base member, a motor attached to the bracket, a rotatably supported by the bracket and power of the motor. And a pinion that can be transmitted to each door member by meshing the rotational force with a rack provided in each door member.

(3) In the above item (2), each pinion in each driving device is exposed to the surface side of the base member from an opening provided in the base member and meshes with each rack.

According to the present invention, the following effects can be obtained.
According to the first aspect of the present invention, the left and right first driving devices and the left and right second driving devices have a bilaterally symmetric structure, and the first and second driving devices disposed on the same side in the left and right direction. By having a vertically symmetric structure, it is possible to maximize the sharing of components of each drive device and to prevent erroneous assembly of the drive device to the base member.

  According to the second aspect of the present invention, it is possible to share the motor and pinion of components other than the bracket of the driving device, and the cost can be reduced.

  According to the third aspect of the present invention, even if each drive device is provided on the back surface of the base member, the pinion can be reliably engaged with the rack.

  1 is a perspective view of a gaming machine to which the present invention is applied, FIG. 2 is a front view of the display unit, FIG. 3 is a rear view of the display unit, and FIG. 4 is a front view of the display unit with the display frame removed. FIG. In the following description, the lower left in FIG. 1, the front of the drawings in FIGS. 2 and 4 and the back of the drawing in FIG. 3 are “front”, the upper right in FIG. 1, the back of the drawing in FIGS. 3 is referred to as “rear”, the left upper side in FIG. 1, the left side in FIGS. 2 and 4 and the right side in FIG. 3 as “left”, and the lower right side in FIG. The right side in FIG. 3 and the left side in FIG.

  A gaming machine (slot machine) 1 includes a housing 3 that houses three types of left, middle, and right rotating reels 2 and other various gaming machines with a plurality of types of symbols drawn on the outer peripheral surface, and a front surface of the housing 3. A disc-shaped medal (including coins) that forms a game medium is inserted into a medal slot 20 provided on the front right side of the front door 4. A predetermined game is played.

  The game of the gaming machine 1 is a credit state in which the player inserts a medal into the medal insertion unit 20 or the number of medals inserted in advance by the bet button 21 provided on the front surface of the front door 3 is electrically stored. After the betting number of medals is set, the start lever 22 is operated to rotate all the rotating reels 2.

  After a predetermined time has passed after the rotating reel 2 has rotated, the three stop buttons 23 provided on the front surface of the front door 4 are sequentially operated to stop the rotation of each rotating reel 2, and the stopped three The combination of symbols on the rotary reel 2 determines the number of medals to be paid according to the presence of a prize and the size of the prize. When a prize is awarded, a predetermined number of medals are provided at the lower part of the front door 4. It is paid out to the tray 41.

  At the front center of the front door 4 is provided a see-through window 42 through which the symbols of each rotary reel 2 can be visually recognized, and the display unit 5 is provided at the top.

  FIG. 5 is an exploded perspective view of the display unit 5 as viewed obliquely from the front, FIG. 6 is an exploded perspective view of the display unit 5 as viewed from the oblique rear, FIG. 7 is a perspective view of the switchgear, and FIG. FIG. 9 is an enlarged longitudinal sectional view of a main part.

  The display unit 5 produces a game by turning on or blinking a light source, displaying various game information on a display screen 71 (to be described later), or shielding or opening the display screen 71 according to the game situation. A display frame 6 made of synthetic resin fixed to the front upper part of the front door 4, a display device 7 having a display screen 71 capable of displaying game information according to the game situation, and a display screen according to the game situation An opening / closing device 8 that opens and closes 71, left and right first driving devices 10RA, 10LA and left and right second driving devices 10RB, 10LB for transmitting power to the opening / closing device 8, a display frame 6, a display device 7, and an opening / closing device 8 and each drive device 10RA, 10LA, 10RB, and 10LB synthetic resin base member 11 and a center lighting device 1 that produces a game by lighting by lighting or flashing depending on the game situation And a right and left side illumination device 13, 13. Note that the opening / closing device 8 in the present invention includes the first driving devices 10RA and 10LA, the left and right second driving devices 10RB and 10LB, and the base member 11.

  As shown in FIG. 2, the center illumination device 12 refracts and diffuses the light emitted from the light source 121 that is fixed to the center of the front surface of the display frame 6 and a large number of single-color light sources 121 such as LEDs. And a center lens 122 made of synthetic resin so that light can be confirmed from various directions.

  The side illuminator 13 is fixed to a large number of full-color light sources 131 such as LEDs and the upper left and right surfaces of the display frame 6, and refracts and diffuses light emitted from the light sources 131 arranged inside to emit light from various directions. And a side lens 132 made of synthetic resin that can be confirmed.

  The display device 7 is fixed to the center of the back surface side of the base member 11 and has a display screen 71 composed of liquid crystal or the like on the front surface, and displays game information corresponding to the game situation on the display screen 71. It will be a lively production.

  The base member 11 is fixed to the upper part of the front door 4 together with the display frame 6 and has an opening 111 having a size corresponding to the size of the display screen 71 of the display device 7. The left and right speakers 14 that generate sound effects for production are attached.

  The opening / closing device 8 includes a left and right front door member 81 and a rear door member 82 that are linearly movable in the left-right direction along the front surface of the display screen 71 so as to sandwich the display screen 71 in the display device 7, and the front door member 81 and And a guide means 9 for supporting the rear door member 82 so as to be movable in the left-right direction.

  The guide means 9 connects the upper guide 91 and the lower guide 92 that are fixed to the front surface of the base member 11 with a plurality of bolts (not shown) and facing in the left-right direction, and the upper guide 91 and the lower guide 92 vertically. Left and right connecting plates 93, 93.

  The upper guide 91 supports a front door member upper rail 911 for supporting the upper part of the left and right front door members 81 so as to be movable in the left-right direction, and the upper part of the left and right rear door members 82 so as to be movable in the left-right direction. Therefore, the rear door member upper rail 912 is provided.

  The front and rear door member upper rails 911 and 912 are arranged in parallel to each other, and the vertical cross-sectional shape is substantially a downward-opening U-shape. The front door member upper rail 911 is fixed to the upper portion of the rear door member upper rail 912. In other words, the front door member upper rail 911 and the rear door member upper rail 912 are arranged so as to overlap each other in the vertical direction. Thereby, since the mounting space in the front-rear direction of the upper guide 91 can be suppressed to the front-rear width of one rail, the center illumination device 12 and the side illumination device 13 in which the upper guide 91 is disposed above the front door 4. And the influence on the arrangement of other components such as the center lighting device 12 and the side lighting device 13 can be minimized.

  The lower guide 92 supports a lower rail 921 for the front door member for supporting the lower portions of the left and right front door members 81 so as to be movable in the left-right direction, and a lower portion of the left and right rear door members 82 so as to be movable in the left-right direction. The rear door member lower rail 922 is provided.

  The front and rear door member lower rails 921 and 922 are arranged in parallel to each other, and the vertical cross-sectional shape is substantially an upward U-shape. The rear door member lower rail 922 is fixed to the rear portion of the front door member lower rail 921. In other words, the front door member lower rail 921 and the rear door member lower rail 922 are arranged to overlap each other in the front-rear direction. Thereby, the lower part of the front and rear door members 81 and 82 can be supported in a stable state.

  At both ends of each rail 911, 912, 921, 922, stoppers 94 that restrict the movement range of each door member 81, 82 are provided. In other words, each stopper 94 determines the fully open position of each door member 81 and 82 when the end portions of each door member 81 and 82 come into contact with each other.

  The left and right connecting plates 93 are arranged apart from each other in the left-right direction so as not to block the display screen 71 of the display device 7, and their upper ends are connected to the front surface of the rear door member upper rail 912. Similarly, the lower end portion is connected between the rear surface of the front door member lower rail 921 and the front surface of the rear door member lower rail 922.

  In this way, the upper guide 91 and the lower guide 92 are connected vertically by the left and right connecting plates 93 to increase the rigidity of the guide means 9 so that the upper guide 91 and the lower guide 92 are always parallel. And ensures smooth operation of each door member 81,82. In the lower guide 92, the front door member lower rail 921 is disposed on the front side of the connecting plate 93, and the rear door member lower rail 922 is disposed on the rear side. The weight of the rear door members 81 and 82 acts evenly forward and backward, and the front and rear door members 81 and 82 can be supported with good balance. The left and right connecting plates 93 in this embodiment are formed by bending a part of the rear door member lower rail 922 upward.

  The left and right front door members 81 are made of synthetic resin, and an upper slide portion 813 provided at the upper portion engages with the front door member upper rail 911 so as to be movable in the left-right direction, and is provided at the lower portion. When the lower slide portion 814 is engaged with the lower rail 921 for the front door member so as to be movable in the left-right direction, it is supported so as to be movable in the left-right direction along the front surfaces of the display screen 71 and the connecting plate 93. And a fully closed position (see FIGS. 2 and 13) and an open position where the display screen 71 is opened and the ends of the slide portions 813 and 814 are in contact with the stopper 94 (see FIGS. 1, 4 and 14). ).

  As shown in FIGS. 8 and 9, the upper slide portion 813 of the front door member 81 is formed to protrude rearward from the upper rear surface of the front door member 81, and the lower portion of the front door member upper rail 911 and the rear door member upper rail. It enters from the gap between the upper part of 912 and engages in the front door member upper rail 911 in a slidable manner.

  A rack 816 is provided on the rear surface of the upper slide portion 813 along the left-right direction. A rack 816 provided on the left front door member 81 meshes with a pinion 101LA described later in the left first drive device 10LA, and a rack 816 provided on the right front door member 81 includes the right first drive device. It meshes with a later-described pinion 101RA in 10RA.

  The rear door member 82 made of synthetic resin is engaged with the upper slide portion 821 provided at the upper portion so as to be movable in the left-right direction within the upper rail 912 for the rear door member, and the lower slide portion 822 provided at the lower portion. Is engaged with the rear door member lower rail 922 so as to be movable in the left-right direction, and is supported so as to be movable in the left-right direction along the rear surface of the connecting plate 93 and the front surface of the display area 71, thereby shielding the display screen 71. To the fully closed position (see FIGS. 1 and 13), and the display screen 71 can be opened and moved to the open position (see FIGS. 4 and 14) where the ends of the slide portions 821 and 822 are in contact with the stopper 94. It is.

  On the rear surface of the lower slide portion 822 in the rear door member 82, a rack 825 is provided along the left-right direction. A rack 825 provided on the left rear door member 82 meshes with a pinion 101LB, which will be described later, in the left second drive device 10LB, and a rack 825 provided on the right rear door member 82 is a right second drive device. It meshes with a pinion 101RB described later at 10RB.

  Even when the shielding portion 823 having a rectangular shape in front view formed between the upper slide portion 821 and the lower slide portion 822 in the rear door member 82 is located at a position where the display screen 71 is shielded, the image displayed on the display screen 71 It is formed to be semitransparent so that its outline, color, etc. can be slightly visually recognized.

  10 is an enlarged exploded perspective view of the main part, FIG. 11 is a plan view of the left and right first driving devices 10RA and 10LA, FIG. 12 is a front view of the left and first driving devices 10LA and 10LB, and FIG. , 14 are schematic plan views showing the opening / closing operation of each door member.

  Each driving device 10LA, 10RA, 10LB, 10RB includes brackets 102LA, 102RA, 102LB, 102RB fixed to the back surface of the base member 11, and motors 103LA, 103RA, 103LB attached to the brackets 102LA, 102RA, 102LB, 102RB, respectively. , 103RB and pinions 101LA, 101RA, 101LB that are rotatably supported by the support shafts 104 that are vertically directed to the brackets 102LA, 102RA, 102LB, 102RB and that can be rotated by the power of the motors 103LA, 103RA, 103LB, 103RB, respectively. , 101RB.

  As shown in FIGS. 10 to 12, the left and right first driving devices 10LA and 10RA and the left and right second driving devices 10LB and 10RB have a bilaterally symmetric structure. Further, the left first driving device 10LA and the left second driving device 10LB, and the right first driving device 10RA and the right second driving device 10RB have a vertically symmetrical structure, respectively. Therefore, the left first driving device 10LA and the right second driving device 10RB have the same structure, and the left second driving device 10LB and the right first driving device 10RA have the same structure.

  Each bracket 102LA, 102RA, 102LB, 102RB has a sensor 105 for detecting the rotational position of each pinion 101LA, 101RA, 101LB, 101RB corresponding to the fully open position and the fully closed position of each door member 81, 82, and a sensor 105. The electric boards 106 to be mounted are respectively arranged. Note that a photoelectric sensor is used as the sensor 105.

  Each bracket 102LA, 102RA, 102LB, 102RB is brought into contact with a projection 108 provided on the side surface of each pinion 101LA, 101RA, 101LB, 101RB, so that each pinion 101LA, 101RA, 101LB, 101RB is attached to each door member 81. , 82 is provided with a stopper 107 for stopping at a rotational position corresponding to the fully open position.

  On the side surface of each pinion 101LA, 101RA, 101LB, 101RB, the above-described protrusion 108 and the light emitting portion of the sensor 105 when the respective door members 81, 82 are in the rotational position corresponding to the fully open position and the fully closed position. A fully open detecting portion 109a and a fully closed detecting portion 109b that shield the space between the light receiving portion and the light receiving portion, and a through hole confirmation mark 109c are provided. In addition, the protrusion 108, the full open detection unit 109a, the full close detection unit 109b, and the confirmation mark 109c are formed in the same shape on both side surfaces in order to share the pinions 101LA, 101RA, 101LB, and 101RB.

  The confirmation mark 109c indicates a predetermined direction when the pinions 101LA, 101RA, 101LB, and 101RB are stopped at the rotational positions corresponding to the fully open positions of the door members 81 and 82, specifically, the brackets 102LA, 102RA, and 102LB. , 102RB can be confirmed visually by checking whether or not each pinion 101LA, 101RA, 101LB, 101RB is stopped at a predetermined rotational position by matching with the protruding confirmation portion 109d. It is.

  Each bracket 102LA, 102RA is provided with an upward mounting piece 102a fastened to the back surface of the base member 11 by a bolt 50 at the rear end and a downward mounting piece 102b fastened to the back surface of the base member 11 by a bolt 50 at the front end. ing. Further, the pinion 101LA of the left first driving device 10LA is pivotally supported on the right portion on the upper surface of the bracket 103LA, and the pinion 101RA of the right first driving device 10RA is pivotally supported on the left portion on the upper surface of the bracket 103RA. Is done.

  Each bracket 102LB, 102RB is provided with an upward mounting piece 102a fastened to the back surface of the base member 11 by a bolt 50 at the rear end and a downward mounting piece 102b fastened to the back surface of the base member 11 by a bolt 50 at the front end. ing. Further, the pinion 101LB of the left second driving device 10LB is pivotally supported on the right portion on the lower surface of the bracket 103LB, and the pinion 101RB of the right second driving device 10RB is pivotally supported on the left portion on the lower surface of the bracket 103RB. Is done.

  The left and right first driving devices 10LA and 10RA move the left and right front door members 81 in the left and right directions, respectively. By attaching the left and right front door members 81 to the left and right sides of the upper surface of the base member 11, the pinions 101LA and 101RA Each of the motors 103LA is exposed to the surface of the base member 11 through the horizontally long openings 112, 112 provided on the left and right of the upper part of the base member 11 and meshes with the racks 816 of the left and right front door members 81, respectively. , 103RA are transmitted to the left and right front door members 81, respectively.

  The left and right second driving devices 10LB and 10RB move the left and right rear door members 82 in the left and right directions, respectively, and are attached to the left and right sides of the lower surface of the base member 11 so that the pinions 101LB and 101RB are Each of the motors 103 LB is exposed to the surface of the base member 11 through the horizontally long openings 113, 113 provided on the lower left and right sides of the base member 11 and meshes with the racks 825 of the left and right rear door members 82. , 103RB are transmitted to the left and right rear door members 82, respectively.

  The opening / closing device 8 is a first shield that double-shields the display screen 71 of the display device 7 in a state where the left and right door members 81 and 82 are in the fully closed position and overlapped in the front and rear, depending on the gaming situation. A second shielding mode in which the rear door member 82 is in the open position and the front door member 81 is in the fully closed position, and the front door member 81 is in the open position and the rear door member 82 is in the fully closed position. Three shielding modes, all door members 81 and 82 are in an open position, and the display screen 71 is completely opened, and the display screen 71 is changed to a half shielding state in which only the right half or the left half of the display screen 71 is shielded. Is possible. When the door members 81 and 82 reach the fully open position and the fully closed position, the rotational positions of the pinions 101LA, 101RA, 101LB, and 101RB are detected by the sensors 105, and the motors 103LA, 103RA, 103LB, and 103RB are detected. Is turned off.

  Next, how to attach the driving devices 10RA, 10LA, 10RB, and 10LB to the base member 11 will be described. First, the door members 81 and 82 are moved to the fully open position. The fully open position of each door member 81, 82 is determined by bringing each door member 81, 82 into contact with each stopper 94 provided on each rail 911, 912, 921, 922. Next, the respective pinions 101LA, 101RA, 101LB, and 101RB in the driving devices 10RA, 10LA, 10RB, and 10LB are rotated, and the protrusions 108 of the pinions 101LA, 101RA, 101LB, and 101RB are moved to the brackets 102LA, 102RA, 102LB, It is brought into contact with each stopper 107 provided on 102RB. Thereby, each pinion 101LA, 101RA, 101LB, 101RB can be stopped in the position corresponded to the fully open position of each door member 81,82. In this state, by fixing the brackets 102LA, 102RA, 102LB, and 102RB of the driving devices 10RA, 10LA, 10RB, and 10LB to predetermined positions of the base member 11, the pinions 101LA, 101RA, 101LB, and 101RB are connected to the door members. The racks 816 and 825 in 81 and 82 can be engaged with each other in a normal engagement position. When the pinions 101LA, 101RA, 101LB, and 101RB are engaged with the normal positions of the racks 816 and 825, the confirmation marks 109c of the pinions 101LA, 101RA, 101LB, and 101RB and the confirmation marks provided on the racks 816 and 825 are provided. By making it possible to visually confirm that they match (not shown), it is visually confirmed whether or not each pinion 101LA, 101RA, 101LB, 101RB is engaged with each rack 816, 825 in a normal position. Can do. Accordingly, the door members 81 and 82 can be reliably moved from the fully closed position to the fully opened position and vice versa by the rotation of the pinions 101LA, 101RA, 101LB, and 101RB.

  Moreover, the form which attached each driving device 10RA, 10LA, 10RB, 10LB to the back surface of the base member 11 is attached to the base member 11 so that each driving device 10RA, 10LA, 10RB, 10LB becomes left-right symmetric and vertical symmetry. Therefore, it is possible to prevent erroneous assembly of the drive devices 10RA, 10LA, 10RB, and 10LB with respect to the base member 11. Further, since the motors 103LA, 103RA, 103LB, and 103RB and the pinions 101LA, 101RA, 101LB, and 101RB, which are parts other than the bracket 11, can be shared, the cost can be reduced.

Although the embodiment of the present invention has been described above, the following various modifications and changes can be made to the present embodiment without departing from the gist of the present invention. (I) The gaming machine 1 is a pachinko machine in which the gaming medium is a pachinko ball, a slot machine, and other gaming machines, instead of a slot machine in which the gaming medium is a medal (including coins).
(Ii) A stopper for determining the fully closed position of each door member 81, 82 is separately provided, and each of the pinions 101LA, 101RA, 101RA, 101RA, A stopper for stopping 101LB and 101RB at a rotational position corresponding to the fully closed position of each door member 81 and 82 is provided. In this case, each pinion 101LA, 101RA, 101LB, by engaging each pinion 101LA, 101RA, 101LB, 101RB with each rack 816, 825 with the door members 81, 82 stopped at the fully closed position. 101RB can be meshed with the racks 816 and 825 at a regular meshing position.

It is a perspective view of a gaming machine to which the present invention is applied. It is a front view of a display unit. It is a reverse view of a display unit. It is a front view of a display unit in the state where a display frame was removed. It is a disassembled perspective view of the display unit seen from diagonally forward. It is a disassembled perspective view of the display unit seen from diagonally back. It is a perspective view of an opening / closing device. It is the VIII-VIII line longitudinal cross-sectional view in FIG. It is an expanded vertical sectional view of the principal part. It is an expansion disassembled perspective view of the principal part. It is a top view of the 1st drive device on either side. It is a front view of the 1st and 2nd drive devices on the left. It is a schematic plan view of the principal part when each door member is in a fully closed state. It is a schematic plan view of the principal part when each door member is in a fully open state.

Explanation of symbols

1 gaming machine (slot machine)
2 Revolving reel 3 Housing 4 Front door 5 Display unit 6 Display frame 7 Display device 8 Opening / closing device 9 Guide means 10RA, 10LA First drive device 10RB, 10LB Second drive device 11 Base member 12 Center illumination device 13 Side illumination device 14 Speaker 20 Medal insertion part 21 Bet button 22 Start lever 23 Stop button 41 Medal tray 42 Transparent window 50 Bolt 71 Display screen 81 Front door member 82 Rear door member 91 Upper guide 92 Lower guide 93 Connecting plate 94 Stopper 101LA, 101RA, 101LB , 101 RB Pinion 102 LA, 102 RA, 102 LB, 102 RB Bracket 102 a Upward mounting piece 102 b Downward mounting piece 103 LA, 103 RA, 103 LB, 103 RB Motor 104 Support shaft 105 Sensor 106 Electric board 107 Stop 108 Protruding portion 109a Fully open detecting portion 109b Fully closed detecting portion 109c Confirmation mark 109d Confirming portion 111 Opening 112, 113 Opening portion 121 Light source 122 Center lens 131 Light source 132 Side lens 813 Upper slide portion 814 Lower slide portion 816 Rack 821 Upper slide portion 822 Lower slide portion 823 Shield portion 825 Rack 911 Front door member upper rail 912 Rear door member upper rail 921 Front door member lower rail 922 Rear door member lower rail

Claims (3)

In a gaming machine comprising: a display device provided on the front surface of a gaming machine with a display screen capable of displaying game information facing forward; and an opening / closing device disposed in front of the display device and capable of opening and closing the display screen;
The opening / closing device moves left and right across the display screen to shield the display screen and open the left and right front door members, and the left and right rear doors superimposed on the rear of the front door member. For supporting the door member and the upper and lower portions of each door member so as to be movable in the left and right directions, and for moving the base member provided with the lower guide and the left and right front door members in the left and right directions, respectively. Left and right first drive devices, and left and right second drive devices for moving the left and right rear door members in the left and right directions, respectively.
The left and right first drive devices are attached to either the left or right side of either the upper or lower portion of the base member, and the left and right second drive devices are attached to the left or right of the other one of the upper or lower portions of the base member. The left and right first drive devices and the left and right second drive devices have a bilaterally symmetric structure, and the first and second drive devices arranged on the same side in the left-right direction are vertically symmetrical. A gaming machine characterized by its structure.   Each of the driving devices is a bracket fixed to the back surface of the base member, a motor attached to the bracket, and is rotatably supported by the bracket and rotated by the power of the motor. 2. The gaming machine according to claim 1, further comprising a pinion that can be transmitted to each door member by meshing with a rack provided on each door member.   3. The gaming machine according to claim 2, wherein each pinion in each driving device is exposed to the surface side of the base member from an opening provided in the base member and meshes with each rack.

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