JP2006198116A - Substrate case for game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent illegal opening of a substrate case even when an illegal behavior is carried out to the substrate case consisting of a back face case and a front face case. <P>SOLUTION: The front face case has a fastening part 65 with the back face case, and the back face case has a flange part 55 and an insertion part 54 into which the fastening part 65 of the front face case can be inserted in the inside of the flange part 55. Between the inner wall of the insertion part 54 and the fastening part 65, a metal plate 70 is arranged to protect the metal plate 70. The flange part 55 of the back face case and the fastening part 65 of the front face case are made to abut on each other to fasten the back face case and the front face case in a non-detachable state. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a board case of a gaming machine that fastens a back case that houses a control board of the gaming machine and a front case that is mounted on the front side thereof by a fastening member, The present invention relates to a technology capable of effectively preventing fraudulent acts on a control board by enabling easy discovery of the fact when the front case is separated from the back case by an unauthorized method.

  Control relating to a ball exit in a gaming machine such as a slot machine or a ball game machine is performed by a control board called a main control board. In addition, in recent gaming machines, in addition to the main control board, there may be provided a control board called a sub-control board that substantially performs control related to the outgoing ball.

  In such a gaming machine, by altering the control program of the main control board or the sub control board, or by giving an illegal signal from the outside to the input / output signals of the main control board or the sub control board, etc. An illegal act of executing an inappropriate game different from the original game is a problem.

  That is, since the control board such as the main control board is attached to the back of the main body cover that can be opened and closed of the gaming machine, the control board is exposed to the outside as it is when the main body cover is opened. An illegal operation can be performed on the substrate. Therefore, for example, if an electronic component such as a ROM storing a game program mounted on the main control board is replaced with something other than a regular product, an inappropriate game will be executed, and at a game store etc. Major damage can be expected.

  Therefore, a technique is known in which a main control board is accommodated in a board case composed of a back case and a front case, and the front case attached to the back case cannot be easily opened to prevent unauthorized opening. That is, an illegal opening prevention means or the like is provided on the board case of the gaming machine to form a main control board assembly, and the main control board assembly is attached to the back surface of the main body cover of the gaming machine, so This is a technology that can prevent execution of operations.

As the main control board assembly provided with such an unauthorized opening prevention means, for example, a back case and a front case constituting the board case are fastened with a fastening member so as not to be detached, and used as an unauthorized opening prevention means. Main control board assembly. Specifically, a pair of openings facing each other is provided in the back case and the front case, and when a fastening member is inserted into the openings, the fastening protrusions formed on both ends of the fastening member are connected to the back case and the front case. A technique is known in which the rear case and the front case are made detachable by fitting with fitting recesses formed in the respective openings of the case (see, for example, Patent Document 1).
JP 2004-209238 A

FIG. 10 is an exploded perspective view showing a main control board assembly 130 using the board case of the conventional gaming machine disclosed in Patent Document 1 described above.
As shown in FIG. 10, the main control board assembly 130 includes a back case 150 made of a transparent resin that houses a main control board (not shown), a front case 160 made of a transparent resin that is attached to the back case 150, A board case including a fastening member 170 that fastens a front case 160 attached to the back case 150 so as not to be detached is used.

  The board case and the pair of brackets 140 attached to the back surface of the main body cover (not shown) of the gaming machine constitute a main control board assembly 130. In the main control board assembly 130 shown in FIG. 10, the bracket 140 and the front case 160 are also fastened by the fastening member 170 in the same manner as the back case 150 and the front case 160.

  As described above, the main control board assembly 130 shown in FIG. 10 uses a board case in which the back case 150 and the front case 160 are fastened together by the fastening member 170 so as not to be detached. Therefore, the back case 150 has four cylindrical back openings 154 that open in the mounting direction of the front case 160, and the fastening members 170 are fitted into the back openings 154.

  On the other hand, the front case 160 also has four cylindrical front openings 165 that open in the mounting direction and face the rear openings 154 of the rear case 150. The fastening member 170 is fitted. Therefore, when both end sides of the fastening member 170 are fitted into the back opening 154 and the front opening 165, the back case 150 and the front case 160 are fastened together through the fastening member 170 so as not to be detached. Become.

  Both the back case 150 and the front case 160 are made of a transparent resin. Therefore, a main control board (not shown) is accommodated in the back case 150, and even if the front case 160 is detachably fastened to the back case 150, the main control board can be seen through the front case 160. be able to.

  Also, one of the pair of brackets 140 has four cylindrical opening portions 149 that open in the mounting direction of the front case 160 so that the fastening member 170 fits into each bracket opening portion 149. It has become. And each bracket opening part 149 is arrange | positioned in the place where the back case 150 does not interfere.

  On the other hand, the front case 160 also has four cylindrical fixed openings 166 that open in the mounting direction facing the bracket openings 149 of the bracket 140, and are fastened to the fixed openings 166. The member 170 is fitted. Therefore, when both end sides of the fastening member 170 are fitted into the bracket opening 149 and the fixed opening 166, the front case 160 and the bracket 140 that are fastened to the rear case 150 so as not to be detached are detached via the fastening member 170. The main control board assembly 130 will be fastened.

  FIG. 11 is a cross-sectional view showing the back opening 154 of the back case and the front opening 165 of the front case in the substrate case of such a conventional gaming machine, and is a longitudinal section of the back opening 154 shown in FIG. The surface shows the A cross section (vertical cross section) of the back opening 154 shown in FIG. 10, and the vertical cross section of the front opening 165 shown in FIG. 11B is the B cross section of the front opening 165 shown in FIG. (Horizontal cross section). The cross section of the rear opening 154 is the same as the cross section of the bracket opening 149 shown in FIG. 10, and the cross section of the front opening 165 is the same as the cross section of the fixed opening 166 shown in FIG. Reference numerals relating to the opening 154 and the fixed opening 166 are added in parentheses to FIG.

  As shown in FIG. 11A, the rear opening 154 (bracket opening 149) is formed with a rear fitting recess 154a (bracket fitting recess 149a) with the fastening member 170 (see FIG. 10) on the inner surface thereof. It has been done. That is, the fastening member 170 is adapted to fit into the back fitting recess 154a (bracket fitting recess 149a). In addition, a rear positioning protrusion 154b (bracket positioning protrusion 149b) of the fastening member 170 is also formed in the rear opening 154 (bracket opening 149).

  Further, as shown in FIG. 11B, the front opening 165 (fixed opening 166) has a front fitting recess 165a (fixed fitting recess 166a) with the fastening member 170 (see FIG. 10) on the inner surface thereof. Is formed. That is, the fastening member 170 is fitted into the front fitting recess 165a (fixed fitting recess 166a). Further, a front positioning protrusion 165b (fixed positioning protrusion 166b) of the fastening member 170 is also formed in the front opening 165 (fixed opening 166).

FIG. 12 is a view showing a fastening member 170 in a board case of such a conventional gaming machine, FIG. 12 (a) is a perspective view thereof, FIG. 12 (b) is a front view thereof, and FIG. ) Is a sectional view (longitudinal sectional view) of the side surface.
As shown in FIG. 12, the fastening member 170 has a cylindrical shape so that it can be inserted into the rear opening 154 (bracket opening 149) and the front opening 165 (fixed opening 166) shown in FIG. .

  A pair of back fastening convex portions 171 and a front fastening convex portion 172 are formed on both ends of the fastening member 170 with the partition 174 as a boundary. In addition, a pair of positioning grooves 173 are formed at both ends of the fastening member 170, respectively. In addition, as shown in FIG.12 (b), each back surface fastening convex part 171 and each front fastening convex part 172 are formed in the position which shifted | deviated 90 degrees in the circumferential direction of the fastening member 170. FIG.

  Here, each back surface fastening convex part 171 fits with a pair of back surface fitting recessed part 154a (bracket fitting recessed part 149a) shown to Fig.11 (a), and each front side fastening convex part 172 is FIG.11 (b). And a pair of front fitting recesses 165a (fixed fitting recesses 166a). Therefore, both the back fastening convex portion 171 and each front fastening convex portion 172 can be elastically deformed, and when the inclined convex portion is pressed, the convex portion is bent toward the inner surface side of the cylindrical fastening member 170. It is designed to retract so that it is flat.

  Further, if the positioning groove 173 on the back fastening convex portion 171 side is aligned with the pair of back positioning projections 154b (bracket positioning projections 149b) shown in FIG. 11A, each back fastening convex portion 171 and FIG. 11A are shown. The positioning grooves 173 on the side of the front fastening protrusions 172 are aligned with the pair of back surface fitting recesses 154a (bracket fitting recesses 149a), and the pair of front positioning protrusions 165b (fixed positioning protrusions 166b) shown in FIG. , The positions of the front fastening convex portions 172 and the pair of front fitting concave portions 165a (fixed fitting concave portions 166a) shown in FIG.

  FIG. 13 is a partial cross-sectional view showing a fastening state of the board case of such a conventional gaming machine, FIG. 13 (a) shows a state in the middle of fastening, and FIG. 13 (b) shows the fastening completion. The later state is shown. Since the fastening state between the back case 150 and the front case 160 shown in FIG. 10 and the fastening state between the bracket 140 and the front case 160 shown in FIG. 10 are exactly the same, the back case 150 in FIG. The fastening state of the rear opening 154 of the front case 160 and the front opening 165 of the front case 160 is mainly displayed, and the reference numerals related to the bracket opening 149 of the bracket 140 and the fixed opening 166 of the front case 160 are shown in parentheses in FIG. It has been added.

  As shown in FIG. 13A, when the positioning groove 173 of the fastening member 170 is aligned with the back positioning protrusion 154b in the back opening 154 and the back fastening convex portion 171 side of the fastening member 170 is inserted into the back opening 154, Each back surface fastening convex part 171 of the fastening member 170 and each back surface fitting recessed part 154a in the back surface opening part 154 fit.

  That is, by inserting the back fastening convex portion 171 side of the fastening member 170 into the back opening 154, each back fastening convex portion 171 acts so as to retract once inward. And when each back surface fastening convex part 171 reaches the position of each back surface fitting recessed part 154a, each retracted back fastening convex part 171 returns to an original state again, and it fits in each back surface fitting recessed part 154a. . Therefore, once the fastening member 170 is inserted into the back opening 154, the fastening member 170 cannot be removed again.

  Next, the front opening 165 facing the back opening 154 is inserted into the fastening member 170. That is, as shown in FIG. 13A, the front opening 165 is inserted into the fastening member 170 fitted in the back opening 154 as shown in FIG. 13B. In addition, in FIG.13 (b), FIG.13 (a) is shown in the cross section rotated 90 degrees in the circumferential direction of the fastening member 170 so that the state of each front fastening convex part 172 may become clear. .

  When the front opening 165 is inserted into the exposed front fastening protrusion 172 side of the fastening member 170, the front positioning protrusion 165 b in the front opening 165 becomes a positioning groove of the fastening member 170 as shown in FIG. The front fitting concave portions 165a in the front opening 165 and the front fastening convex portions 172 of the fastening member 170 are fitted together.

  That is, by inserting the front opening 165 into the front fastening convex portion 172 side of the fastening member 170, each front fastening convex portion 172 acts so as to retract once inward. And when each front fastening convex part 172 reaches the position of each front fitting recessed part 165a, each retracted front fastening convex part 172 returns to the original state again and fits into each front fitting recessed part 165a. . Therefore, once the front opening 165 is inserted into the fastening member 170, the front opening 165 can never be removed.

  As described above, the back opening 154 and the back fastening convex 171 and the front opening 165 and the front fastening convex 172 are fitted to each other, whereby the back opening 154 and the front opening 165 are interposed via the fastening member 170. It is concluded that it is impossible to leave. Therefore, the back case 150 and the front case 160 shown in FIG.

  In addition, the bracket 140 and the front case 160 are in a fastening state in exactly the same manner as the fastening between the back case 150 and the front case 160, and the main control board assembly 130 is assembled. That is, as indicated by the reference numerals in FIG. 13, in FIG. 13A, the positioning groove 173 of the fastening member 170 is fastened to the bracket opening 149 such that the positioning groove 173 fits into the bracket positioning protrusion 149 b of the bracket opening 149. The member 170 is inserted. Then, each back surface fastening convex part 171 and the bracket fitting recessed part 149a fit into each other, and the fastening member 170 cannot be removed again.

  Next, when the fixed opening 166 facing the bracket opening 149 is inserted into the fastening member 170, as shown in FIG. 13B, the fixed positioning protrusion 166b fits into the positioning groove 173 and each fixed fitting. The concave portion 166a and each front fastening convex portion 172 fit into each other. Therefore, once the fixed opening 166 is inserted into the fastening member 170, the fixed opening 166 cannot be removed again.

  As described above, the bracket opening 149 and the back fastening convex portion 171 and the fixed opening 166 and the front fastening convex portion 172 are fitted to each other, whereby the bracket opening 149 and the fixed opening 166 are interposed via the fastening member 170. It is concluded that it is impossible to leave. Therefore, the bracket 140 and the front case 160 shown in FIG. Therefore, the main control board assembly 130 is assembled by fastening the front case 160 attached to the back case 150 to the bracket 140.

  By the way, when the back case 150 and the front case 160 are fastened, the fastening member 170 is hidden inside the back opening 154 and the front opening 165 as shown in FIG. Therefore, the back fastening convex portion 171 fitted with the back fitting concave portion 154a and the front fastening convex portion 172 fitted with the front fitting concave portion 165a are released from the outside of the back opening portion 154 and the front opening portion 165. This is basically impossible.

  As a result, the main control board (not shown) is sealed between the back case 150 and the front case 160, and according to the board case of the conventional gaming machine disclosed in Patent Document 1 above, Unauthorized acts such as exchanging the ROM mounted on the main control board with something other than a regular product are prevented.

  However, in the board case of the conventional gaming machine disclosed in Patent Document 1 above, if the front case 160 is illegally separated from the back case 150, it is difficult to find out the fact. There is. For this reason, the effect of preventing fraud is insufficient, and further improvement is required.

  That is, if the back opening 154 of the back case 150 is drilled with a drill or the like and the back fastening convex portion 171 of the fastening member 170 is pushed in with a rod or the like, the fastening member 170 can be removed from the back opening 154. It becomes like this. Then, it becomes possible to separate the front case 160 from the back case 150.

FIG. 14 is a partial cross-sectional view for explaining a fraudulent act method for the board case of such a conventional gaming machine. FIG. 14 (a) shows the first stage, and FIG. The second stage is shown.
As described above, since the back case 150 and the front case 160 shown in FIG. 10 are both made of transparent resin, the back opening 154 and the front opening 165 shown in FIG. Even the fastening member 170 hidden inside the opening 165 can be seen through from the outside.

  That is, the position of the back surface fastening convex portion 171 fitted with the back surface fitting concave portion 154a can be grasped from the outside of the back surface opening portion 154. Therefore, as shown in FIG. 14A, it is possible to make a hole in the rear opening 154 with the drill 201 toward the rear fastening convex portion 171. Then, the hole 202 can be formed in the position where the back surface fastening convex part 171 fits into the back surface fitting recessed part 154a.

  And as shown in FIG.14 (b), if the stick | rod 203 is inserted in the hole 202 of the back surface opening part 154, the convex part which the back surface fastening convex part 171 inclined from the exterior of the back surface opening part 154 can be pushed in. Then, the back fastening convex portion 171 is bent toward the inner surface side of the fastening member 170 and retracts so that the convex portion becomes flat, so that one fitting state of the back fitting concave portion 154a and the back fastening convex portion 171 is released. Is possible.

  Thus, by forming the hole 202 in the back surface opening 154, the back surface fastening convex portion 171 can be removed from the back surface fitting recessed portion 154a. As a result, the front surface opening portion 165 together with the fastening member 170 from the back surface opening portion 154. Can be separated. Moreover, since the hole 202 is only provided in the back surface opening 154, the fastening member 170 can be fitted into the back surface opening 154 again.

FIG. 15 is a partial cross-sectional view for explaining a state in which an illegal act is performed on the substrate case of such a conventional gaming machine, and FIG. 15 (a) shows an illegal separation state, and FIG. Indicates an illegal fastening state.
As shown in FIG. 15A, when the hole 202 is formed in the rear opening 154, the fastening member 170 can be freely inserted into and removed from the rear opening 154 by using the rod 203 (see FIG. 14). become able to.

  Therefore, after separating the front opening 165 together with the fastening member 170 from the rear opening 154, for example, the ROM mounted on the main control board (not shown) is replaced with something other than a regular product, and the game program is changed. As a result, the fastening member 170 can be fastened to the back opening 154 again. That is, if the fastening member 170 fitted with the front opening 165 is inserted into the back opening 154 after performing the illegal act, the back fitting recesses 154a and the back fastening protrusions 171 are fitted. As shown in FIG. 15B, the original state is restored.

  When the fastening member 170 is fastened again to the back opening 154, it becomes difficult to find out that an illegal act has been performed on the main control board (not shown). That is, since both the rear opening 154 and the front opening 165 are cylindrical with the same size and are in positions that match each other, the hole 202 provided in the rear opening 154 is difficult to see, and FIG. As shown, even when the direction of the rear opening 154 is viewed from the front side, the front opening 165 becomes an obstacle, and it is difficult to find the hole 202 of the rear opening 154 with a normal line of sight.

  As described above, the board case of the conventional gaming machine cannot be determined at first glance whether the board case has been illegally opened and an illegal act has been performed on the control board such as the main control board. As a result, rampant cheating is allowed. And leaving such a situation results in a loss of the essential function of the board case, which accommodates the control board and prevents fraud.

  Therefore, the problem to be solved by the present invention is that even if a fraudulent act is performed on the substrate case, the fraudulent act on the control board can be effectively prevented by preventing unauthorized opening of the substrate case. It is an object of the present invention to provide a gaming machine board case that can be prevented.

The present invention solves the above problems by the following means.
(Claim 1)
The invention according to claim 1 is a transparent resin that is located on the back side and is made of a transparent resin that accommodates the control board of the gaming machine, and a transparent resin that is attached to the front side of the back case and has a fastening portion with the back case. And a metal plate that protects the fastening portion of the front case, wherein the back case has a flange portion that extends in a direction orthogonal to the mounting direction of the front case. An insertion portion into which the fastening portion of the front case can be inserted inside the flange portion, and the fastening portion of the front case can be elastically deformed, and the inside of the insertion portion of the back case The metal plate is disposed between the inner wall of the insertion portion and the fastening portion of the front case in the insertion portion of the rear case, and is in contact with the flange portion. When the fastening portion of the front case is in contact with the insertion portion of the back case, the back case and the front case are fastened together so as not to be detached, and the insertion portion of the back case is placed. Alternatively, at least one of the fastening portions of the front case is configured to be breakable while maintaining a fastening state by the fastening portion, and by breaking the insertion portion or the fastening portion, the back case and the front case Is separable.

  In the invention of claim 1, the back case and the front case are brought into a fastening state by the flange portion of the back case and the fastening portion of the front case coming into contact with each other in the insertion portion of the back case. A metal plate is disposed between the fastening portion. For this reason, even if a hole is drilled in the insertion portion, the fastening portion is protected by the metal plate, so that the fastening portion of the front case does not come off from the insertion portion of the back case.

(Claim 2)
According to a second aspect of the present invention, in the board case of the gaming machine according to the first aspect, the insertion portion of the back case has a rectangular tube shape, and the fastening portion of the front case has a V-shaped cross section. The metal plate has a shape along three outer side walls and a bottom wall in the insertion portion of the back case.

  In the invention of claim 2, since the fastening portion having a V-shaped cross section is elastically deformed and inserted into the rectangular tube-shaped insertion portion, the fastening portion can be easily inserted into the insertion portion. Further, since the metal plate has a shape along the three side walls and the bottom wall of the insertion portion, most of the fastening portion can be protected by the metal plate.

(Claim 3)
According to a third aspect of the present invention, in the board case of the gaming machine according to the first or second aspect, the fastening portion of the front case is inserted in the mounting direction of the front case from the flange portion side of the rear case. And inserted into the insertion portion.

  In the invention of claim 3, the fastening portion is inserted into the insertion portion of the back case simply by inserting the fastening portion from the flange portion side of the back case in the mounting direction of the front case. Therefore, the flange part of the back case and the fastening part of the front case can be easily brought into contact with each other in the insertion part, and the fastening by the fastening part becomes easy.

(Claim 4)
According to a fourth aspect of the present invention, in the board case of the gaming machine according to any one of the first to third aspects, the back case and the front case are connected so that one side thereof is rotatable and faces each other. The other side is fastened by the fastening member.

  In the invention of claim 4, the back case and the front case are rotatably connected. Therefore, the front case can be easily mounted on the front side of the rear case simply by rotating the front case with the connected one side as a fulcrum. Further, since the fastening member only needs to be used on the other side, the number of fastening members can be reduced.

(Claim 5)
A fifth aspect of the present invention is the board case of the gaming machine according to any one of the first to fourth aspects, wherein the gaming machine is a slot machine having a reel displaying a symbol, and the control board. Controls the rotation of the reel.

(Claim 6)
The invention of claim 6 is the board case of the gaming machine according to any one of claims 1 to 4, wherein the gaming machine is a ball game machine having a symbol variation display device, and the control The substrate controls the variation of the symbol displayed on the symbol variation display device.

In the invention of claim 5, the substrate case is applied to a slot machine. Therefore, it is possible to effectively prevent an illegal act against the slot machine.
In the invention of claim 6, the substrate case is applied to a bullet ball game machine. Therefore, it is possible to effectively prevent an illegal act against the ball game machine.

(Claim 1)
According to the invention of claim 1, even if a hole is drilled in the insertion part of the back case, the fastening part of the front case is protected by the metal plate, so that the fastening part does not come off from the insertion part. Therefore, unauthorized opening of the substrate case composed of the back case and the front case can be reliably prevented. Therefore, fraudulent acts on the control board accommodated in the board case can be effectively prevented.

(Claim 2)
According to invention of Claim 2, the fastening part of a front case can be easily inserted with respect to the insertion part of a back case. Further, most of the fastening portion is protected by the metal plate. Therefore, the assemblability of the substrate case composed of the back case and the front case is improved, and unauthorized opening of the substrate case can be more reliably prevented.

(Claim 3)
According to invention of Claim 3, the flange part of a back case and the fastening part of a front case can be contact | abutted easily in an insertion part, and the fastening by a fastening part becomes easy. Therefore, the front case can be easily attached to the back case, and the assemblability of the substrate case composed of the back case and the front case is further improved.

(Claim 4)
According to the invention of claim 4, since the front case can be easily mounted on the front side of the back case simply by rotating the front case, the assemblability of the substrate case composed of the back case and the front case is improved. To do. Further, since the number of fastening members can be reduced, a board case for a gaming machine having excellent productivity and economy can be obtained.

(Claim 5)
According to the invention of claim 5, since it is possible to effectively prevent an illegal act on the control board for controlling the rotation of the reel of the slot machine, it is possible to avoid a situation in which an inappropriate game is executed in the slot machine. As a result, it is possible to prevent the occurrence of damage at a game shop or the like where the slot machine is installed.

(Claim 6)
According to the invention of claim 6, since it is possible to effectively prevent fraud against the control board that controls the variation of the symbol displayed on the symbol variation display device of the ball game machine, A situation in which an inappropriate game is executed can be avoided. As a result, it is possible to prevent the occurrence of damage at a game store or the like where a ball game machine is installed.

Hereinafter, an embodiment of a board case of a gaming machine of the present invention will be described with reference to the drawings.
In the following embodiments, a slot machine having three reels displaying symbols will be described as an example of a gaming machine to which the board case of the gaming machine of the present invention is applied. The control board accommodated in the board case of the gaming machine of this embodiment is assumed to be a main control board that controls the rotation of each reel of the slot machine.

(Slot machine)
FIG. 1 is a front view showing a slot machine 10 to which the board case of the gaming machine of the present embodiment is applied. FIG. 1 (a) shows the front side (player side) with the main body cover 11 closed. 1 (b) shows the back side of the opened main body cover 11.
As shown in FIG. 1, a main body cover 11 is attached to the slot machine 10 so as to open and close the front surface side (player side).

  As shown in FIG. 1A, on the front surface of the main body cover 11, a transparent display window 12 for viewing the symbols displayed on the three reels 20 shown in FIG. A medal slot 13 for inserting medals for performing, a start lever 14 for each reel 20, and a stop button 15 for each reel 20 are provided. In addition, a medal payout opening 16 and a medal tray 17 for receiving the paid out medal are provided.

  On the other hand, as shown in FIG. 1B, on the back side of the opened main body cover 11, the main control board assembly 30 including the power supply board 18 and the main control board 19 of the slot machine 10 and the main control board 19 are controlled. Three reels 20, a medal payout device 21 for winning, a medal auxiliary storage 22 and the like are arranged.

  Here, each of the three reels 20 has a ring shape, and a reel tape on which a plurality of winning symbols (designating a winning combination) is printed is attached to the outer peripheral surface of each reel 20. A stepping motor (not shown) is connected to the center of each reel 20. And each reel 20 rotates by the drive of each stepping motor based on the command of the main control board 19. Note that, by attaching the reel tape, 21 types of symbols are arranged at equal intervals on each reel 20, but the symbol arrangement is different for each reel 20.

  In the slot machine 10 shown in FIG. 1, the player inserts a medal into the insertion slot 13 and operates the start lever 14. Then, the three reels 20 are simultaneously rotated based on a command from the main control board 19 and the symbols arranged on the reels 20 are moved in the vertical direction within the display window 12. Next, when the player presses each stop button 15 individually, the rotation of the reel 20 corresponding to the stop button 15 stops. When the player stops all of the reels 20 that rotate, the player can see a part of the symbols on the outer peripheral surface of the stopped reels 20 through the display window 12. The combination can be confirmed.

  Here, when the combination of the symbols of the stopped reels 20 matches a predetermined combination of symbols of a combination, a prize is won. When winning a prize, medals are paid out according to the winning combination. That is, medals are paid out from the medal payout opening 16 by winning, and medals accumulate in the medal tray 17 every time such winning is repeated.

  In this way, the rotation of each reel 20 in the slot machine 10 shown in FIG. 1 is controlled by the main control board 19 and the winning is affected. Therefore, the main control board 19 needs to be strictly managed, and it is possible to prevent a situation in which an electronic component such as a ROM storing a game program mounted on the main control board 19 is replaced with something other than a regular product. I have to keep it. Therefore, as shown in FIG. 1B, the main control board 19 is accommodated in the board case of the gaming machine of the present embodiment, and the main control board assembly 30 using this board case is used for the rear side of the main body cover 11. Placed in.

(Main control board assembly)
FIG. 2 is a perspective view showing the main control board assembly 30 using the board case of the gaming machine of the present embodiment.
As shown in FIG. 2, the main control board assembly 30 includes a pair of brackets 40 attached to the back side of the main body cover 11 (see FIG. 1), and the main control board 19 ( 1) and a front case 60 mounted on the front side of the back case 50.

  Here, both the back case 50 and the front case 60 are made of transparent resin, and the main control board 19 (see FIG. 1) accommodated therein can be seen through. The front case 60 is sealed with a seal sticker 31. Further, a use recording sheet 32 for writing the inspection date and the like of the main control board assembly 30 is attached to the surface of the front case 60.

FIG. 3 is an exploded perspective view showing the main control board assembly 30 using the board case of the gaming machine of the present embodiment.
As shown in FIG. 3, the bracket 40 includes a first bracket member 41 and a second bracket member 44. Here, the first bracket member 41 has an L-shaped flat plate portion 42 and an L-shaped rib portion 43 formed in the vertical direction at the left end portion and the lower end portion of the flat plate portion 42. The flat plate portion 42 is formed with a screw insertion hole 42a for inserting a fixing screw (not shown) with the main body cover 11 (see FIG. 1). A fitting recess 43a is formed.

  On the other hand, the second bracket member 44 is opposed to the inverted L-shaped flat plate portion 45, the rib portion 46 formed in the vertical direction at the lower end portion of the flat plate portion 45, and the upper end portion and the lower end portion of the flat plate portion 45. A pair of holding arms 47 projecting like this, a support base part 48 formed at the right end of the flat plate part 45, and a support projection part 48 a projecting from the support base part 48. In addition, four bracket openings 49 for fitting the fastening members 170 are provided inside the support base 48.

  A screw insertion hole similar to the screw insertion hole 42 a of the first bracket member 41 is also formed in the second bracket member 44. Further, by integrating the flat plate portion 42 of the first bracket member 41 and the flat plate portion 45 of the second bracket member 44, the first bracket member 41 and the second bracket member 44 can be integrally formed. .

  The back case 50 includes a case housing 51 formed in a rectangular box shape whose front side is open, and two insertion portions 54 for inserting the fastening portions 65 of the front case 60. Here, the case housing 51 can accommodate the main control board 19 (see FIG. 1) on the opening side. And the hinge wall 52 is formed in three places at equal intervals on the upper side wall of the case housing | casing 51, and a pair of closing arm 53 which protrudes toward the front side is formed in the lower side wall. In addition, the insertion part 54 of the back case 50 can arrange | position the metal plate 70 in the inside.

  Further, the front case 60 includes a rectangular box-shaped cover housing 61 that opens on the back side so as to match the case housing 51 of the back case 50, and a rectangular frame portion that extends integrally from the right side wall of the cover housing 61. 64, two fastening portions 65 that can be inserted into the insertion portion 54 of the back case 50, and four fixed openings 66 for fitting the fastening members 170. Here, the cover housing 61 seals the front side of the case housing 51 that houses the main control board 19 (see FIG. 1). Hinge arms 62 are formed at three positions at equal intervals so as to correspond to the formed hinge shaft 52, and a pair of closing protrusions 63 are formed on the lower side wall so as to correspond to the closing arm 53. A pair of upper and lower fitting protrusions 67 corresponding to the fitting recesses 43 a formed in the rib portion 43 of the first bracket member 41 are formed on the left side wall of the cover housing 61.

FIG. 4 is a partial perspective view showing the main control board assembly 30 using the board case of the gaming machine of the present embodiment.
As shown in FIG. 4, when the hinge arm 62 of the cover casing 61 is hooked on the hinge shaft 52 of the case casing 51, the upper side wall of the cover casing 61 is rotatably connected to the upper side wall of the case casing 51. .

  When the cover housing 61 is overlapped on the front side of the case housing 51, the closing arm 53 of the case housing 51 is elastically deformed and fits into the closing protrusion 63 of the cover housing 61, and below the cover housing 61. The side wall and the lower side wall of the case housing 51 are connected and cannot be opened. Therefore, the main control board 19 (see FIG. 1) is confined in a space formed between the case housing 51 and the cover housing 61.

  Also, each fitting protrusion 67 of the cover housing 61 shown in FIG. 3 is fitted into the fitting recess 43a formed in the rib portion 43 of the first bracket member 41, and the rectangular frame portion 64 is inserted into the first rectangular frame portion 64 as shown in FIG. When the two bracket members 44 are overlapped with the support base 48, the support protrusions 48 a are inserted into the rectangular frame 64, and the pair of upper and lower holding arms 47 are elastically deformed to hold the rectangular frame 64. Therefore, the cover housing 61 is held by the first bracket member 41 (see FIG. 3) and the second bracket member 44.

  However, in a state where the rectangular frame portion 64 is overlapped with the second bracket member 44, the pair of holding arms 47 is only elastically deformed to hold the rectangular frame portion 64. Therefore, if each holding arm 47 is elastically deformed up and down, each holding arm 47 is detached from the rectangular frame portion 64, so that the cover housing 61 and the case housing 51 are easily removed from the bracket 40 (see FIG. 3). be able to.

  Further, in a state in which the cover housing 61 is attached to the case housing 51, the pair of closing arms 53 are only elastically deformed and fitted into the closing protrusions 63. Therefore, if each closing arm 53 of the case housing 51 removed from the bracket 40 (see FIG. 3) is elastically deformed downward, each closing arm 53 is detached from the closing projection 63, so that it is attached to the case housing 51. The cover housing 61 can be easily opened. As a result, the ROM mounted on the main control board 19 (see FIG. 1) can be exchanged.

  Therefore, in order to prevent the cover casing 61 from being easily opened and to prevent unauthorized acts on the main control board 19 (see FIG. 1), a fastening portion 65 is formed in the cover casing 61, and FIG. The fastening member 170 shown in FIG. That is, by inserting the fastening portion 65 of the cover housing 61 into the insertion portion 54 of the case housing 51 via the metal plate 70 (see FIG. 3), the back case 50 and the front case 60 shown in FIG. It is concluded that it cannot be detached. Also, as shown in FIG. 3, the bracket 40 and the front case are fitted by fitting the fixed opening 66 (lower end) of the front case 60 into the fastening member 170 fitted into the bracket opening 49 (lower end) of the bracket 40. 60 is fastened so that it cannot be detached.

  In addition, in order to fasten the bracket 40 and the front case 60 so as not to be detached, it is not necessary to fit the fastening members 170 into all the bracket openings 49 and the fixed openings 66. That is, there are four bracket openings 49 and four fixed openings 66 in consideration of inspection of the main control board assembly 30 and the like, and the bracket 40 and the front case 60 can be fastened or separated four times. It is what I did.

  As described above, the main control board assembly 30 shown in FIGS. 2 to 4 includes the bracket 40, the back case 50, the front case 60, the metal plate 70, and the fastening member 170. In such a main control board assembly 30, the board case of the gaming machine according to the present embodiment includes a back case 50, a front case 60, and a metal plate 70. That is, the main control board assembly 30 accommodates the main control board 19 (see FIG. 1) in the board case of the gaming machine of the present embodiment, and is fastened to the bracket 40 using the fastening member 170 so as not to be detached. .

  Therefore, the fastening of the bracket 40 and the front case 60 by the fastening member 170 is irrelevant to the board case of the gaming machine of the present embodiment and is not limited. That is, in the main control board assembly 30 shown in FIGS. 2 to 4, the bracket 140 in the main control board assembly 130 using the board case of the conventional gaming machine shown in FIG. The bracket 40 and the front case 60 are fastened in the same manner as the case 160.

  Here, as shown in FIG. 10, the bracket 140 and the front case 160 are fastened by interposing a fastening member 170 between the bracket opening 149 and the fixed opening 166, but the bracket shown in FIG. 40 is the same as the bracket opening 149 of the bracket 140 shown in FIG. 10, and the fixed opening 66 of the front case 60 shown in FIG. 3 is the fixed opening 166 of the front case 160 shown in FIG. It is the same. That is, the A cross section (vertical cross section) of the bracket opening 49 shown in FIG. 3 is the same as the vertical cross section of the bracket opening 149 indicated by the parenthesized reference numerals in FIG. The B cross section (horizontal cross section) of the opening 66 is the same as the vertical cross section of the fixed opening 166 indicated by the reference numerals in FIG. 11B.

  Therefore, in the main control board assembly 30 shown in FIG. 3, the details of the fastening of the bracket 40 and the front case 60 by the fastening member 170 have already been described above with reference to FIG. That is, as shown by the reference numerals in FIG. 13, in FIG. 13A, the positioning groove 173 of the fastening member 170 is the bracket positioning protrusion 149b of the bracket opening 149 (same as the bracket opening 49 shown in FIG. 3). If the fastening member 170 is inserted into the bracket opening 149 (bracket opening 49) so as to fit into the brackets, the back fastening convex portions 171 and the bracket fitting concave portions 149a fit into each other and the fastening member 170 cannot be removed. .

  Further, when a fixed opening 166 (same as the fixed opening 66 shown in FIG. 3) facing the bracket opening 149 (the bracket opening 49) is inserted into the fastening member 170, the fixing is performed as shown in FIG. 13B. The positioning protrusions 166b are fitted into the positioning grooves 173, and the fixed fitting concave portions 166a and the front fastening convex portions 172 are fitted to each other, so that the fixed openings 166 (fixed openings 66) cannot be removed.

  As described above, the bracket opening 49 and the back fastening convex portion 171 of the fastening member 170 and the fixed opening 66 and the front fastening convex portion 172 of the fastening member 170 are fitted to each other, so that the bracket opening 49 and the fixed opening portion are fitted. 66 is fastened through a fastening member 170 so as not to be detached. Therefore, the bracket 40 and the front case 60 shown in FIG. 3 are fastened by the fastening member 170.

  On the other hand, when the back case 50 and the front case 60 shown in FIG. 3 are fastened, the fastening member 170 as shown in FIG. 12 is not used. That is, by inserting the fastening portion 65 of the front case 60 into the insertion portion 54 of the back case 50, the back case 50 and the front case 60 are fastened so as not to be detached. And the fastening part 65 of the front case 60 is protected by the metal plate 70 arranged in the insertion part 54 of the back case 50. Therefore, hereinafter, the insertion portion 54 of the back case 50, the fastening portion 65 of the front case 60, and the metal plate 70 will be described.

(Back case)
FIG. 5 is an enlarged view showing a part of the back case 50 in the board case of the gaming machine of the present embodiment, FIG. 5 (a) is a front view thereof, and FIG. 5 (b) is a sectional view thereof. It is.
As shown in FIG. 5, an insertion portion 54 is formed in the case housing 51 of the back case 50.

  The insertion portion 54 has a rectangular tube shape that opens in the mounting direction of the front case 60 (see FIG. 3), and is orthogonal to the mounting direction of the front case 60 below the front surface of the insertion portion 54. A flange portion 55 extending in the direction is formed, and a fixing piece 56 is formed on each of the left and right sides of the insertion portion 54. That is, the metal plate 70 (see FIG. 3) can be inserted into the insertion portion 54 inside the flange portion 55 from above, and the inserted metal plate 70 is inserted by the pair of fixing pieces 56. It will be arranged in the part 54.

(Front case)
FIG. 6 is an enlarged view showing a part of the front case 60 in the board case of the gaming machine of the present embodiment, FIG. 6A is a front view of the back side, and FIG. FIG.
As shown in FIG. 6, a fastening portion 65 is suspended from the cover housing 61 of the front case 60 via a connecting arm 68. A fixed opening 66 is connected to the rectangular frame portion 64 of the front case 60.

  The fastening portion 65 has a V-shaped cross section that can be elastically deformed. When an external force is applied, the V-shaped portion closes inward, and when the external force is released, it repels and becomes a V-shape. This part opens outward and returns to the original V-shape. Note that the fixed opening 66 has a cylindrical shape that opens in the mounting direction of the front case 60, and the cross section of the fixed opening 66 is, as described above, the fixed opening indicated by the reference numerals in parentheses in FIG. This is the same as the part 166.

  Here, the cover housing 61 has a shape that matches the case housing 51 (see FIG. 5), and the fastening portion 65 is in a position facing the insertion portion 54 (see FIG. 5). Therefore, when the cover housing 61 and the case housing 51 are overlapped, the V-shaped portion of the fastening portion 65 is elastically deformed to overcome the flange portion 55 (see FIG. 5) and inserted into the insertion portion 54. It becomes like this.

(Metal plate)
FIG. 7 is a view showing the metal plate 70 in the board case of the gaming machine of the present embodiment, FIG. 7 (a) is a perspective view thereof, and FIG. 7 (b) is a view of the insertion portion 54 of the back case 50. It is a front view which shows a relationship.
As shown in FIG. 7, the metal plate 70 is a stainless steel plate having a shape along the three outer side walls and the bottom wall in the insertion portion 54 of the back case 50. When the metal plate 70 is inserted from above the insertion portion 54 of the back case 50, the metal plate 70 is disposed in the insertion portion 54.

  That is, the insertion portion 54 has a flange portion 55 formed on the lower side of the front surface, and fixed pieces 56 formed on the left and right sides of the front surface, but nothing is formed on the upper side. Therefore, the metal plate 70 can be easily inserted into the insertion portion 54 from above the insertion portion 54. Since the metal plate 70 has a shape along the three side walls and the bottom wall of the insertion portion 54, if the metal plate 70 is inserted into the insertion portion 54, the metal plate 70 is connected to the flange portion 55 and the pair of pairs. It will be arrange | positioned in the insertion part 54 by the fixed piece 56, and will come to cover the three side walls and bottom wall of the insertion part 54.

(Board case)
FIG. 8 is a partial cross-sectional view showing a fastening state of the board case of the gaming machine of the present embodiment, FIG. 8 (a) shows a state during the fastening, and FIG. 8 (b) shows a state after the fastening is completed. Shows the state.
As shown in FIG. 8A, a metal plate 70 is disposed in the insertion portion 54. Therefore, the metal plate 70 covers the three side walls and the bottom wall of the insertion portion 54. When the fastening portion 65 suspended from the connection arm 68 is inserted into the insertion portion 54, the flange portion 55 and the fastening portion 65 come into contact with each other in the insertion portion 54 as shown in FIG. The metal plate 70 is located between the inner wall of the insertion portion 54 and the fastening portion 65.

  That is, as shown in FIG. 8A, the insertion portion 54 has a flange portion 55 formed on the lower side of the front surface, and fixed pieces 56 formed on the left and right sides of the front surface. A central portion of the front surface surrounded by 55 and the fixing piece 56 is open. Further, the length of the connecting arm 68 of the fastening portion 65 is adjusted so that the fastening portion 65 can be inserted into the insertion portion 54. Therefore, as shown in FIG. 8B, the fastening portion 65 can be inserted into the insertion portion 54 without any problem.

  When the fastening portion 65 is inserted into the insertion portion 54, as shown in FIG. 8B, the flange portion 55 and the fastening portion 65 come into contact with each other in the insertion portion 54, whereby the insertion portion 54 and the fastening portion 65 are Is fastened so that it cannot be detached. Further, the metal plate 70 is disposed between the inner wall of the insertion portion 54 and the fastening portion 65.

  That is, when the fastening portion 65 is moved to the insertion portion 54 side, the fastening portion 65 comes into contact with the flange portion 55 and acts so that the fastening portion 65 is elastically deformed and once lifted upward. When the fastening portion 65 is completely inserted into the insertion portion 54, the raised fastening portion 65 returns to the original state again and comes into contact with the flange portion 55 in the insertion portion 54. Therefore, once the fastening portion 65 is inserted into the insertion portion 54, the fastening portion 65 cannot be removed again.

  Thus, when the fastening part 65 contacts the inner surface of the flange part 55, the insertion part 54 and the fastening part 65 are fastened so as not to be detached. Therefore, the back case 50 shown in FIG. 5 and the front case 60 shown in FIG. Moreover, in such a fastening state, as a result of the metal plate 70 being disposed between the inner wall of the insertion portion 54 and the fastening portion 65, the fastening portion 65 is protected.

  By the way, in the board case of the conventional gaming machine, as shown in FIG. 14, the rear opening 154 is illegally drilled with a drill 201 and the rod 203 is pushed into the rear fastening convex portion 171 of the fastening member 170, As shown in FIG. 15, the fastening member 170 can be illegally separated from the rear opening 154.

  When the fastening member 170 is fastened again to the back opening 154, the back opening 154 and the front opening 165 are in a position where they match each other, so that the hole 202 provided in the back opening 154 is difficult to see. As shown in FIG. 15 (b), even when looking from the front side toward the rear opening 154, the front opening 165 gets in the way, and the hole 202 of the rear opening 154 is found with a normal line of sight. It was difficult to do.

However, in the case of the board case of the gaming machine of the present embodiment, even if a hole is made in the insertion part 54 with the drill 201 shown in FIG. 65 cannot be separated. As a result, fraud can be prevented in advance.
Further, at the time of inspection or the like, as shown in FIG. 3, it is necessary to properly separate the back case 50 and the front case 60. However, the board case of the gaming machine of this embodiment has such a proper separation. It can also cope with.

FIG. 9 is a partial cross-sectional view for explaining the effect of the board case of the gaming machine according to the present embodiment, FIG. 9A shows a state in which fraud is performed, and FIG. 9B shows a proper separation. Is shown.
FIG. 9A shows a case where the hole 202 is illegally provided in the insertion portion 54. Even in this case, the fastening portion 65 of the board case of the gaming machine of this embodiment is made of metal. Since it is protected by the plate 70, the fastening portion 65 cannot be separated from the insertion portion 54.

  That is, even if the hole 202 is made in the resin insertion portion 54 with a drill, it is not easy to make a hole in the stainless steel metal plate 70. Therefore, the through hole does not open up to the metal plate 70. Even if a hole is made in the three side walls or the bottom wall of the insertion portion 54 and a rod is inserted into the hole, the fastening portion protected by the metal plate 70 is protected. 65 cannot be pushed. Therefore, the fastening portion 65 cannot be separated from the insertion portion 54, and as a result, illegal acts are reliably prevented. Moreover, since the brightness of the metal plate 70 can be easily identified through the hole 202, the fact that the hole 202 is opened can be easily found.

  In addition, since the metal plate 70 does not exist on the upper side or the front side of the insertion portion 54, it is not necessarily impossible to perform an illegal act using the portion. However, the upper side of the insertion portion 54 is narrow in space, and if any illegal act is performed, the fact can be easily found. Further, since the front surface of the insertion portion 54 is a portion that can be seen with a normal line of sight from the front side, it is easy to find fraud. Therefore, the ease of finding fraud with respect to the insertion unit 54 serves as a deterrent against fraud, and fraud is prevented in advance.

Next, the proper separation at the time of inspection will be described.
In the board case of the gaming machine according to the present embodiment, as shown in FIG. 6, the fastening portion 65 is suspended from the cover housing 61 via the connecting arm 68. Further, as shown in FIG. 9B, the connecting arm 68 is configured to be ruptured while maintaining the fastening state by the fastening portion 65. For this reason, for proper separation at the time of inspection or the like, the connecting arm 68 may be broken using a cutting tool such as a nipper. Then, the back case 50 and the front case 60 can be properly separated by separating the seal seal 31 shown in FIG. 2 with a cutter or the like. When the inspection is performed, the inspection date and the like are entered on the use record sheet 32 shown in FIG.

As mentioned above, although one embodiment of the board case of the gaming machine of the present invention has been described, the board case of the gaming machine of the present invention is not limited to the above-described embodiment, and, for example, the following various modifications are possible. Is possible.
(1) Although the board case of the gaming machine of the above-described embodiment is applied to the slot machine 10 having three reels 20 displaying symbols as one of the gaming machines, such a slot machine 10 is shown. It is not limited to. That is, the present invention can be widely applied to various game machines such as a ball game machine, an arrangement ball, and a sparrow ball game machine having a symbol variation display device.

  (2) In the above-described embodiment, the insertion portion 54 of the back case 50 has a rectangular tube shape, and the fastening portion 65 of the front case 60 has a V-shaped cross section. Also good. The shape of the metal plate 70 is arranged between the inner wall of the insertion portion 54 and the fastening portion 65 according to the shape of the insertion portion 54.

  (3) In the above-described embodiment, the connecting arm 68 of the fastening portion 65 is configured to be breakable so that the back case 50 and the front case 60 can be properly separated. However, the present invention is not limited to this. Absent. For example, the flange portion 55 can be configured to be broken, and the fastening portion 65 can be extracted from the insertion portion 54.

  The board case of the gaming machine of the present invention can surely prevent the board case from being illegally opened. Therefore, the present invention can be widely applied to various gaming machines including a control board such as a slot machine, a ball game machine, an arrangement ball, and a sparrow ball game machine.

It is a front view showing a slot machine to which the board case of the gaming machine of the present embodiment is applied. It is a perspective view which shows the main control board assembly using the board case of the gaming machine of this embodiment. It is a disassembled perspective view which shows the main control board assembly using the board | substrate case of the game machine of this embodiment. It is a fragmentary perspective view which shows the main control board assembly using the board case of the gaming machine of this embodiment. It is the front view and sectional drawing which expand and show a part of back case in the substrate case of the gaming machine of this embodiment. It is the front view and sectional drawing of the back side which expand and show a part of front case in the board | substrate case of the gaming machine of this embodiment. It is the perspective view and front view which show the metal plate in the board | substrate case of the game machine of this embodiment. It is a fragmentary sectional view which shows the fastening state of the board | substrate case of the game machine of this embodiment. It is a fragmentary sectional view explaining the effect of the substrate case of the game machine of this embodiment. It is a disassembled perspective view which shows the main control board assembly using the board | substrate case of the conventional game machine. It is sectional drawing which shows the back opening part of the back case in the board | substrate case of the conventional game machine, and the front opening part of a front case. It is the perspective view which shows the fastening member in the board | substrate case of the conventional game machine, a front view, and sectional drawing (longitudinal sectional view) of a side. It is a fragmentary sectional view which shows the fastening state of the board | substrate case of the conventional game machine. It is a fragmentary sectional view explaining the method of the fraudulent act with respect to the board | substrate case of the conventional game machine. It is a fragmentary sectional view explaining the state where fraudulent act was performed to the substrate case of the conventional gaming machine.

Explanation of symbols

10 Slot machines (gaming machines)
DESCRIPTION OF SYMBOLS 11 Main body cover 12 Display window 13 Medal insertion slot 14 Start lever 15 Stop button 16 Medal payout opening 17 Medal tray 18 Power supply board 19 Main control board (control board)
20 Reel 21 Medal Dispensing Device 22 Medal Auxiliary Storage 30 Main Control Board Assembly 31 Seal Seal 32 Used Recording Paper 40 Bracket 41 First Bracket Member 42 Flat Plate Part 42a Screw Insertion Hole 43 Rib Part 43a Fitting Recess 44 Second Bracket Member 45 Flat plate portion 46 Rib portion 47 Holding arm 48 Support base portion 48a Support projection portion 49 Bracket opening 50 Back case 51 Case housing 52 Hinge shaft 53 Closing arm 54 Insertion portion 55 Flange portion 56 Fixed piece 60 Front case 61 Cover housing 62 Hinge arm 63 Closure protrusion 64 Rectangular frame part 65 Fastening part 66 Fixed opening part 67 Fixing protrusion 68 Connection arm 70 Metal plate 130 Main control board assembly 140 Bracket 149 Bracket opening part 149a Bracket fitting recessed part 149 Bracket positioning projection 150 Back case 154 Rear opening 154a Rear fitting recess 154b Rear positioning projection 160 Front case 165 Front opening 165a Front fitting recess 165b Front positioning projection 166 Fixed opening 166a Fixed fitting recess 166b Fixed positioning projection 170 Fastening Member 171 Back fastening convex portion 172 Front fastening convex portion 173 Positioning groove 174 Partition 201 Drill 202 Hole 203 Bar

Claims (6)

A back case made of a transparent resin that is located on the back side and accommodates the control board of the gaming machine;
A front case made of a transparent resin attached to the front side of the back case and having a fastening portion with the back case;
A board case of a gaming machine comprising a metal plate that protects the fastening portion of the front case,
The back case has a flange portion extending in a direction perpendicular to the mounting direction of the front case, and an insertion portion into which the fastening portion of the front case can be inserted inside the flange portion,
The fastening portion of the front case can be elastically deformed, abutting the flange portion in the insertion portion of the back case,
The metal plate is disposed in the insertion portion of the back case, between the inner wall of the insertion portion and the fastening portion of the front case,
The flange portion of the back case and the fastening portion of the front case come into contact with each other in the insertion portion of the back case, so that the back case and the front case are fastened so as not to be detached and are in a fastened state. ,
At least one of the insertion part of the back case or the fastening part of the front case is configured to be ruptured while maintaining a fastening state by the fastening part, and by breaking the insertion part or the fastening part, A board case for a gaming machine, wherein a back case and the front case are separable. In the board case of the gaming machine according to claim 1,
The insertion part of the back case has a rectangular tube shape,
The fastening portion of the front case has a V-shaped cross section,
The board case of a gaming machine, wherein the metal plate has a shape along three outer side walls and a bottom wall in the insertion portion of the back case. In the board case of the gaming machine according to claim 1 or 2,
The board case of a gaming machine, wherein the fastening portion of the front case is inserted into the insertion portion when inserted in the mounting direction of the front case from the flange portion side of the back case. In the board case of the gaming machine according to any one of claims 1 to 3,
A board case for a gaming machine, wherein the back case and the front case are rotatably connected at one side and the other side facing each other is fastened by the fastening member. In the board case of the gaming machine according to any one of claims 1 to 4,
The gaming machine is a slot machine having a reel displaying a symbol,
A board case for a gaming machine, wherein the control board controls rotation of the reel. In the board case of the gaming machine according to any one of claims 1 to 4,
The gaming machine is a ball game machine having a symbol variation display device,
The board case of a gaming machine, wherein the control board controls fluctuations of symbols displayed on the symbol fluctuation display device.

Images