JP4827812B2 - Board case - Google Patents

Description

  The present invention relates to a board case for a gaming machine that protects a control board on which a control element for controlling a game effect is mounted.

  2. Description of the Related Art Conventionally, a gaming machine is mounted with a control board on which a control element such as a CPU, ROM, or RAM that controls the operation content (game effects and various notification operations) of the gaming machine is mounted in a board case. . In such a gaming machine, there is a case where an illegal act is performed such as opening or destroying the substrate case and replacing the control element with an illegally manufactured control element. Then, there has been a third party who thinks that illegally gaining a game medium such as a game ball or a game medal is obtained by using the illegally manufactured control element to obtain an unfair advantage. Since the fraudulent act is performed by opening the door (inner frame) of the gaming machine, it has to be performed quickly. However, it is difficult to open a substrate case that has been tampered with without destroying it. Therefore, in many cases, only a portion of the substrate case that protects the control element is quickly cut out, and the control element is exchanged through a hole formed by the cut out. From the above, a board case as shown in Patent Document 1 has been devised to prevent the fraud.

In the substrate case of Patent Document 1, a projecting body composed of a bottom plate and a side plate that forms a slight gap with the control element and covers the upper surface of the control element is formed, and a cross-shaped reinforcing rib that joins the side plate to the bottom plate of the projecting body And a triangular reinforcing rib were integrally formed over the side plate and the cover body. As a result, when only the bottom portion is to be cut off from the side plate, the cross-shaped reinforcing rib provided on the bottom plate can make it difficult to cut the bottom plate from the side plate so that the cut trace remains on the reinforcing rib. Can do. Similarly, even when trying to cut the projecting body along the outer periphery of the side plate, the triangular reinforcing rib formed between the side plate and the cover body makes it difficult to cut, and the cut trace remains on the reinforcing rib. can do.
JP 2000-70526 A

  However, the substrate case described in Patent Document 1 can be cut without being obstructed by the triangular reinforcing rib by cutting the ceiling surface further outside the triangular reinforcing rib formed on the side plate. . That is, although it takes slightly longer than the substrate case without the reinforcing rib, there is a problem in that the ceiling surface can be similarly cut out to form a hole through which the control element passes, and the control element can be replaced. there were.

  The present invention has been made paying attention to such problems existing in the prior art, and its purpose is to destroy the cover member covering the surface of the control board to form a hole and to form the hole on the surface of the control board. It is an object of the present invention to provide a substrate case capable of preventing an illegal act of exchanging a mounted control element.

To achieve the above object, according to the first aspect of the present invention, when a predetermined jackpot display result is displayed in a symbol variation game in which a plurality of types of symbols are varied, a jackpot game advantageous to the player is given. In a board case for a gaming machine that houses a control board on which a control element related to control of the gaming machine is mounted, a cover member that covers a surface of the control board on which the control element is mounted, and a tray that covers a back surface of the control board A movement restraining means is provided in the attachment / detachment direction of the control element so as to restrict movement of the control element in the attachment / detachment direction of the control element, and the control board is accommodated by combining the cover member and the tray member. The reinforcing member integrally formed with the movement restraining means for reinforcing the movement restraining means extends to the side surface of the cover member and is aligned with the side face. It is formed, on the end side of the facing surface of the cover member that faces the control board in a state where the control board is accommodated by combining the tray member and the cover member, the control board side of the opposing surface A concave molding portion is formed, and the upper surface of the control element is opposed to the bottom surface of the concave molding portion by combining the cover member and the tray member, and the reinforcing member is disposed at a short distance from the control element. The movement restricting means is formed integrally with the bottom surface of the recess forming portion, and is formed between the bottom surface of the recess forming portion and the top surface of the control element in the upper surface direction of the control element. The first stop piece adjacent to the upper surface of the control element and the side surface of the recess forming part are integrally formed so as to restrict the movement, and the control element side from the first stop piece A second stop piece formed in a substantially trapezoidal shape that protrudes and is adjacent to the side surface of the control element so as to regulate movement of the control element in the side surface direction, and the side on the control element side is a hypotenuse. It is summarized as having .

The invention according to claim 2 is the invention according to claim 1, wherein the side surface of the control element faces the side surface of the cover member, and the second stop piece is formed for each side surface of the control element, The gist of the present invention is that the reinforcing member is formed integrally with the second stop piece facing the side surface of the cover member that is close to the control element and does not face each other .

The invention according to claim 3 is the invention according to claim 1 or claim 2, wherein when the cover member and the tray member are combined, improper opening is prevented and traces are made when the improper opening is performed. The unauthorized opening preventing means is provided, and the unauthorized opening preventing means is disposed on the side of the cover member integrally formed with the reinforcing member, at least on the opposite surface side than the bottom surface of the recessed molding portion, The gist of the present invention is that the reinforcing member is integrally formed on the side of the cover member on the control board side at least with respect to the bottom surface of the recessed molding portion .
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the cover member has a waste heat penetration at a location away from a position facing the control element. The gist is that a hole is formed and a space is formed between the reinforcing member and the facing surface of the cover member.

  ADVANTAGE OF THE INVENTION According to this invention, the cover member which covers the surface of a control board can be destroyed, a hole can be formed, and the fraudulent act which replaces | exchanges the control element mounted on the surface of the control board can be prevented.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is embodied in a pachinko slot machine (rotating game machine, hereinafter referred to as a “pachislot machine”), which is one type thereof, will be described below with reference to FIGS.
FIG. 1 schematically shows a surface side of a pachislot machine 10, which is pivotally supported so as to be able to open and close with respect to a rectangular parallelepiped main body 11 having an open front surface and a left edge side of the main body. The front door 12 is provided. A drum unit (variable display device) U composed of three rows of drums 13 to 15 is disposed at a substantially central portion of the main body 11, and a plurality of symbols are drawn on each drum 13 to 15 according to a predetermined arrangement. 13a-15a are displayed along the circumferential direction of the drums 13-15. And in this drum unit U, each drum 13-15 is rotated and a symbol combination game (fluctuation game) is performed, and a symbol combination is formed by the symbol row | line | columns 13a-15a of each drum 13-15. Yes. These symbol combinations are formed on a plurality of predetermined symbol effective lines L1 to L5. Each drum 13-15 is provided with reel sensors SE2-SE4 (shown in FIG. 3) corresponding to the drums 13-15 in order to detect the rotational position of each drum 13-15. Yes.

  Further, a panel plate 17 with various decorations is disposed on the front door 12 which is the front position of the drum unit U, and a symbol display window 20 for protecting the drum unit U so as to be seen through is provided on the panel plate 17. Is formed. The panel board 17 is provided with a display unit 19 for notifying information related to the game (the symbol combination game). The display unit 19 includes a betting rate display unit 21 for displaying the number of bets, a stored number display unit 22 for displaying the number of credits, a prize number display unit 23 for displaying the number of award medals to be awarded, and a game progress. An illumination lamp 24 and a status lamp 25 that are turned on / off are formed. A display effect unit 26 that provides a display effect during the game (during the symbol combination game) is disposed below the display unit 19.

  Further, a medal slot 28 is disposed at a position below the panel plate 17 on the front surface of the front door 12. Behind the medal slot 28, a medal sensor SE1 (shown in FIG. 3) for detecting the passage of medals is disposed. In the lower position, a BET button 29, a MAXBET button 30, a credit button 31, a start lever 32, and stop buttons 33 to 35 are disposed. Further, a medal discharge port 36 is formed in the lower central portion of the front surface of the front door 12. In addition, a speaker 27 that performs sound effects is disposed at a lower portion of the front surface of the front door 12 together with a tray 37 that receives medals discharged from the medal discharge port 36.

  Further, a hopper 38 (FIG. 4) for storing inserted medals is disposed inside the pachislot machine 10 at a position below the drum unit U in the pachislot machine 10 main body. The medal discharge port 36 is located below the hopper 38, and when the symbol combination is in a predetermined award (combination), the medals stored in the hopper 38 are paid out to the medal discharge port 36. It has become. A medal selector (not shown) is disposed below the medal slot 28 on the back side of the front door 12 so as to connect the medal slot 28 and the hopper 38.

  In addition, the pachislot machine 10 of this embodiment is equipped with a credit function. This credit function is a function for storing and storing medals as stored data in the pachislot machine 10. The storage data (credit) has a predetermined upper limit number (50 in this embodiment), and medals can be stored as credits within the range of the upper limit number. When the credit function is used, the credit is stored as a credit until the number of credits exceeds the upper limit even if the predetermined prize mode is reached. When the upper limit is exceeded, medals are discharged (paid out) from the hopper 38 to the medal discharge port 36. Note that increasing the number of credits as credits and discharging medals from the medal discharge port 36 are referred to as giving medals (prize medals) to the player. The hopper 38 that discharges medals to the medal discharge port 36 and the main CPU 40a that stores the medals to be paid out as credits are the payout means.

  In the pachi-slot machine 10 of the present embodiment, a symbol combination game by the drum unit U is performed using medals as game media. That is, the player inserts a medal from the medal insertion slot 28 or operates the BET button 29 or the MAXBET button 30 to set the number of bets, and then operates the start lever 32 to operate the drums 13 to 15 of the drum unit U. Rotate. The drums 13 to 15 are stopped when a certain time elapses after the rotation of the drums 13 to 15 is started, or when the player operates the stop buttons 33 to 35. The stop buttons 33 to 35 correspond to the drums 13 to 15, the drum 13 corresponds to the stop button 33, the drum 14 corresponds to the stop button 34, and the drum 15 corresponds to the stop button 35. Then, a prize medal is awarded to the player in accordance with the symbol combination formed on the symbol valid line that is valid according to the number of bets. That is, when a predetermined award mode is achieved, a predetermined number of award medals are awarded to the player.

  In the pachi-slot machine 10 of the present embodiment, as shown in FIG. 1, five symbol effective lines L1 to L5 are formed as symbol effective lines in which the symbol combination is effective. The symbol effective lines L1 to L5 are the symbol effective lines L1 to L3 formed in a straight line horizontally on the upper, middle and lower stages of the drums 13 to 15, and the upper stage of the drum 13, the middle stage of the drum 14 and the lower stage of the drum 15. Alternatively, the symbol effective lines L4 and L5 are formed obliquely in a straight line on the lower stage of the drum 13, the middle stage of the drum 14, and the upper stage of the drum 15. In one game, a symbol valid line that is valid according to the number of bets selected is defined. In the present embodiment, the number of bets can be selected in three stages (hereinafter, the first stage is a bet, the second stage is a bet 2, the third stage is a bet 3), By placing medals, the BET button 29 or the MAXBET button 30 can bet up to three stages at a time. In the bet 1, one of the symbol effective lines L1 is effective, and in the bet 2, three of the symbol effective lines L1 to L3 are effective. In the bet 3, all (5) of the symbol effective lines L1 to L5 are enabled.

  In the pachi-slot machine 10 of the present embodiment, a symbol combination that stops on the symbol effective lines L1 to L5 will be described with reference to FIG. In FIG. 2, the drum 13 is shown as the first reel, the drum 14 is shown as the second reel, and the drum 15 is shown as the third reel, and the symbol combinations which are stopped (stopped) on each symbol effective line are shown.

  In the present embodiment, “Seven Role”, “Bar Role”, “Bell Role”, “Plum Role”, and “Cherry Role” are provided as the roles for which award medals are given (paid out). Then, when three symbols indicating “seven” are stopped in a straight line that becomes the symbol effective lines L1 to L5, 15 prize medals determined as a seven role are awarded. Further, when three symbols indicating “bar” are stopped in a straight line with the symbol effective lines L1 to L5, 15 prize medals determined as a bar combination are awarded. In addition, when three symbols indicating “bell” are stopped in a straight line with the symbol effective lines L1 to L5, 15 prize medals determined as a bell role are awarded. In addition, when three symbols indicating “plum” are stopped in a straight line that becomes the symbol effective lines L1 to L5, eight award medals determined as a winning combination are awarded. In addition, when one symbol indicating “cherry” is stopped at the middle stage of the drum 13, two prize medals determined as a cherry role are awarded. When one symbol indicating “cherry” is stopped at the upper or lower stage of the drum 13, the symbol effective line L 2 and the symbol effective line L 4, or the symbol effective line L 3 and the symbol effective line L 5 are on two types of symbol effective lines. 4 award medals corresponding to twice the award medals determined for the cherry role are awarded. In the case of cherry, the symbol stopped on the drum 14 and the drum 15 may be any symbol.

  In addition, “replay (replay)” is provided as a role that allows the next game to be played without inserting medals (not betting). Then, when three symbols indicating “replay” are stopped in a straight line with the symbol effective lines L1 to L5, the next game is played with the same bet number as the number of bets in which the symbol combination game in which the replaying role is stopped is performed. It can be carried out. That is, in the re-gamer, a prize medal corresponding to the number of bets of the game in which the re-gamer has stopped is awarded. Hereinafter, the bell role, the plum role, the cherry role, and the replay role are indicated as “small roles”.

  In addition, when the Seven role stops in a straight line on the symbol effective lines L1 to L5, a “big bonus game” is given as a specific gaming state that provides a chance to obtain a large number of award medals along with award medals. Is done. In addition, when the bar combination is stopped linearly on the symbol effective lines L1 to L5, a prize game is awarded and a specific game state in which the player can obtain a large number of prize medals is “Regular Bonus Game”. Is given.

  When the big bonus game is started, the winning probability of the bar role (regular bonus game) is increased as compared to the general game. General games are games other than big bonus games and regular bonus games. In the big bonus game, the stop of the Seven role is started, and a predetermined upper limit number (360 in this embodiment) is awarded to the game regardless of the number of medals consumed (inserted) by the player. Is given (paid out) to a person. Also, when a regular bonus game is started, the probability of winning a small role (winning probability) is increased as compared to general games. The regular bonus game starts with the establishment of a bar combination, and ends with playing a game a predetermined number of times (until eight small combinations are won in this embodiment or 12 times). The player plays a game for the purpose of winning a big bonus game and a regular bonus game. Hereinafter, the seven role and the bar role are referred to as “specific game players”, and the big bonus game and the regular bonus game are collectively referred to as “bonus games”. In addition, a small role and a specific game role (seven role, bar role) are collectively referred to as a winning role.

  In addition, the symbol combination indicating the award mode (small role and specific game role) shown in FIG. 2 is not stopped in any symbol effective line L1 to L5 (the symbol combination other than the award mode is not in the symbol effective line L1 to L5). In the case of a stop, a prize medal is not awarded (zero prize medal is given), and it is assumed that the winning combination is a winning combination. The case where no prize medal is awarded is when the winning combination is won in the internal lottery, or when the symbol combination of the award mode is not stopped when the internal lottery is won for a small role or a specific gamer (I miss it).

  And in the pachislot machine 10 of this embodiment, one game (symbol combination game) starts with the operation of the start lever (start operation means) 32 as a start trigger, and the operation of the stop buttons 33 to 35 or a predetermined time The symbol combination is stopped as time passes. When the symbol combination is stopped, one game is ended with an award when a medal is awarded according to the symbol combination (zero in the case of a winning combination). In the present embodiment, even during the big bonus game and the regular bonus game, one game is started that starts the game as the start opportunity and ends the game as the end opportunity.

Next, the control configuration of the pachi-slot machine 10 will be described with reference to FIGS.
As shown in FIG. 4 illustrating a state in which the front door 12 of the pachislot machine 10 is opened, a main control board 40 for controlling the entire gaming machine is mounted on the main body 11 inside the pachislot machine 10. The main control board 40 is disposed above the drums 13 to 15 and is accommodated in the main control board case 54 so that an illegal board cannot be attached to the main control board 40. The main control board 40 is caulked and fixed to the main body 11 together with the main control board case 54. That is, the main control board 40 is fixed to the main body 11 using a detent screw that can be tightened but cannot be loosened. Thus, by caulking and fixing the main control board 40 together with the main control board case 54 to the main body 11, unless a third party destroys the main control board case 54 (because it is impossible to loosen the detent screw). The main control board case 54 cannot be removed from the main body 11.

  Further, when the front door 12 is opened, the main control board 40 has a position where components (control elements, etc.) mounted on the main control board 40 are visible from the front (that is, when the front door 12 is opened, The main control board case 54 that houses the control board 40 is disposed at a position where the top surface is exposed. Further, the main control board 40 executes various processes for controlling the entire gaming machine, calculates various control signals (control commands) according to the processing results, and outputs the control signals (control commands). To do. In addition, an effect control board 41 that controls the illumination lamp 24, the status lamp 25, the display effect unit 26, and the speaker 27 is mounted inside the pachislot machine 10. The effect control board 41 inputs various control signals output from the main control board 40 and executes predetermined control based on the control signals.

Hereinafter, specific configurations of the main control board 40 and the effect control board 41 will be described.
First, the main control board 40 will be described. The main control board 40 includes a main CPU 40a. The main CPU 40a is connected to a ROM 40b, a RAM 40c, and a random number generator 40d. The main CPU 40a is configured to be able to acquire the winning combination determination random number (internal lottery determination random number) generated by the random number generator 40d. The random number generator 40d sequentially updates the value of the winning combination determination random number every predetermined cycle, sets the updated value in a predetermined storage area of the random number generator 40d, and rewrites the value before the update. The winning combination determination random number is a random number used when determining a combination (internal lottery combination) according to the winning combination determination table. Accordingly, the random number generator 40d according to the present embodiment serves as a random number updating unit that sequentially updates the value of the winning combination determination random number every predetermined cycle.

  The random number 40d is determined by the random number generator 40d every predetermined period so that the winning combination determination random number can take a numerical value within a predetermined numerical range (for example, all 65536 integers from “0” to “65535”). 1 is added and updated. Then, the random number generator 40d stores the updated value as a winning combination determination random number value in a predetermined storage area, and rewrites the value of the winning combination determination random number already stored, thereby changing the value of the winning combination determination random number. It is designed to update sequentially. More specifically, the random number generator 40d sets the value (initial value) at the start of updating to “0” which is the minimum value, and in order from the initial value “0” → “1” → ... → “65534”. → The value is updated by adding 1 to a value such as “65535”. Then, when the numerical value updated as the value of the winning combination determination random number reaches “65535 (maximum value)” that is the numerical value (final value) to be updated last, the random number generator 40d again “0” to “65535. "1" is added and updated. That is, in the pachislot machine 10 of this embodiment, the value of the winning combination determined random number is sequentially updated with one period of the winning combination determined random number until the value of the winning combination determined random number is updated to “0” to “65535”. One cycle of update processing is repeatedly executed during operation of the pachislot machine 10. The random number generator 40d of this embodiment receives a clock signal having a predetermined frequency (10 MHz in this embodiment) from an external oscillation circuit (not shown), and updates the winning combination determination random number based on the period of the clock signal. ing. That is, the winning combination determination random number is updated by adding 1 at a cycle of 10 MHz. In other words, it is updated 10000000 times per second.

  Further, as shown in FIG. 3, a medal sensor SE1 is connected to the main control board 40 (main CPU 40a). Each time the medal sensor SE1 detects a medal, the main CPU 40a receives a medal detection signal indicating that a medal has been detected.

  In addition, reel sensors SE2 to SE4 are connected to the main CPU 40a. The main CPU 40a receives the first to third position signals output from the reel sensors SE2 to SE4 in accordance with the symbols displayed on the symbol display window 20 (rotational positions of the drums 13 to 15). ing. The main CPU 40a grasps the rotation position and stop position of the drums 13 to 15 based on the first to third position signals, and performs rotation and stop control of the drums 13 to 15 based on the first to third position signals.

  In addition, a BET button 29, a MAXBET button 30, a credit button 31, a start lever 32, and stop buttons 33 to 35 are connected to the main CPU 40a. When the buttons 29 to 35 are operated, various operation signals indicating that the buttons 29 to 35 are operated are input to the main CPU 40a. When the main CPU 40a receives various operation signals, the main CPU 40a performs predetermined control determined in the various operation signals. In the present embodiment, the operation signal input from the start lever 32 may be referred to as a start operation signal.

  The main CPU 40a is connected to a betting rate display unit 21, a stored number display unit 22, and a prize number display unit 23. The main CPU 40 a performs display control of the betting rate display unit 21 based on the player's insertion of medals and the operation of the BET button 29 or the MAXBET button 30. Further, the main CPU 40a reduces the number of credits by using the BET button 29 or the MAXBET button 30, increases the number of credits when award medals are paid out based on a combination (prize mode), and credits by inserting a player's medals. The increase in the number is stored as a credit, and the content is displayed on the stored number display unit 22, and display control is performed each time. Further, the main CPU 40a performs display control for displaying the number of award medals to be paid out on the award number display unit 23 when paying out award medals based on a combination.

  A hopper 38 is connected to the main CPU 40a. When the main CPU 40a determines the number of prize medals to be paid out based on the number of prizes determined for each combination (prize mode), the main CPU 40a checks the number of credits. Control is performed so that one award medal is paid out each time a drive signal is output.

  The ROM 40b stores a main control program for controlling the pachislot machine 10 and the like. The ROM 40b stores a plurality of winning combination determination tables (see FIG. 5). In the winning combination determination table, values that the winning combination determination random number can take (in this embodiment, “0 to 65535 (all 65536 integers)”) are distributed to each combination, and the random numbers distributed to the winning combination determination table The winning probabilities for each combination are determined based on the number of each. Then, the main CPU 40a refers to the winning combination determination random number to be extracted and the winning combination determination table, and performs a lottery determination to determine the type of combination based on the reference result.

Next, the winning combination determination table of the pachislot machine 10 of this embodiment will be described with reference to FIG.
FIG. 5 shows winning combination determination tables T1 to T3 in which random numbers (number of random numbers) distributed to each combination in each gaming state (general game, big bonus game, regular bonus game) and the winning probability of each combination are determined. It is shown.

  As shown in FIG. 5A, the winning combination determination table T1 is a table used in general games. In the winning combination determination table T1, random numbers from 0 to 210 (211 random numbers) are distributed to the Seven combination that is a big bonus game, and the winning probability is 211/65536. In addition, random numbers 211 to 384 (174 random numbers) are assigned to the bar combination serving as a regular bonus game, and the winning probability is 174/65536. Also, random numbers (245 random numbers) of 385 to 629 are assigned to the bell combination, and the winning probability is 245/65536. Further, random values of 630 to 812 (183 random numbers) are assigned to the cherry role, and the winning probability is 183/65536. In addition, random numbers 813 to 6262 (5450 random numbers) are assigned to the plum roles, and the winning probability is 5450/65536. Further, random numbers (6855 random numbers) of 6263 to 13117 are assigned to the re-game players, and the winning probability is 6855/65536. Further, random numbers 13118 to 65536 (52418 random numbers) are assigned to the offending roles, and the winning probability is 52418/65536. When the lottery is performed based on the winning combination determination table T1, the player plays a game for the first purpose of making the Seven and Bar roles appear (winning the Seven and Bar roles).

  As shown in FIG. 5B, the winning combination determination table T2 is a table used in the big bonus game. In the winning combination determination table T2, random numbers of 0-12678 (12679 random numbers) are distributed to the bar combination, and the winning probability is 12679/65536. Further, random numbers (245 random numbers) of 12679 to 12923 are assigned to the bell combination, and the winning probability is 245/65536. Further, random numbers (183 random numbers) of 12924 to 13106 are assigned to the cherry roles, and the winning probability is 183/65536. Further, random numbers (13450 random numbers) of 13107 to 18556 are assigned to the plum role, and the winning probability is 5450/65536. Further, random numbers (18855 to 25855 random numbers) of 18557 to 25411 are assigned to the regame players, and the winning probability is 6855/65536. In addition, random numbers (25124 to 65536) of 25412-65536 are assigned to the offending role, and the winning probability is 40124/65536. When a lottery drawing is performed based on the winning combination determination table T2, the player plays a game for the first purpose of making the bar combination appear (winning the bar combination).

  As shown in FIG. 5C, the winning combination determination table T3 is a table used in the regular bonus game. In the winning combination determination table T3, random numbers from 0 to 12923 (12924 random numbers) are assigned to the bell combination, and the winning probability is 12923/65536. Further, random numbers (183 random numbers) of 12924 to 13106 are assigned to the cherry roles, and the winning probability is 183/65536. Further, random numbers (13450 random numbers) of 13107 to 18556 are assigned to the plum role, and the winning probability is 5450/65536. Further, random numbers (18855 to 25855 random numbers) of 18557 to 25411 are assigned to the regame players, and the winning probability is 6855/65536. In addition, random numbers (25124 to 65536) of 25412-65536 are assigned to the offending role, and the winning probability is 40124/65536. When a lottery drawing is performed based on the winning combination determination table T3, the player plays a game for the first purpose of making the bell combination appear (winning the bell combination).

  The ROM 40b stores a payout table that defines the number of award medals to be paid out for each combination. In the payout table, payouts of 15 prize medals are associated with 15 for the Seven, 15 for the Bar, 15 for the Bell, 8 for the Plum, and 2 for the Cherry. In the present embodiment, the ROM 40b that stores the winning combination determination tables T1 to T3 functions as a storage unit.

  The RAM 40c stores (sets) various information that can be appropriately rewritten during the operation of the pachislot machine 10. Specifically, in the RAM 40c, when a specific game combination and a small combination are won by the main CPU 40a based on a winning combination determination random number, information (such as a flag) indicating the selection is set for each combination. Yes. Further, the count number C is stored (set) in the RAM 40c. The count number C indicates the number of award medals earned (paid out to the player) by the player in the big bonus game. In addition, in the RAM 40c, the main CPU 40a counts the number of games since the start of the regular bonus game and the number of times a small role has been won.

  Next, a main control program executed by the main CPU 40a of the main control board 40 will be described. The main CPU 40a is configured to execute various processes such as acquisition of winning combination determination random numbers and lottery (winning determination) based on the main control program. For example, when the medal is inserted from the medal insertion slot 28, the BET button 29 is operated, or the MAXBET button 30 is operated, the main CPU 40a sets the betting rate specified by the betting rate. Then, when the start lever 32 is operated and the start operation signal is input, the main CPU 40a performs the lottery with the input of the start operation signal.

  In the winning lottery, the main CPU 40a obtains a winning combination determining random number from the random number generator 40d when the start operation signal N is inputted, and determines a winning combination determining table for referring to the random number. Specifically, the main CPU 40a selects one winning combination determination table to be referred to in the combination lottery according to the gaming state from the plurality of winning combination determination tables T1 to T3.

  In the present embodiment, the main CPU 40a selects the winning combination determination table T1 when the gaming state is a general game, and selects the winning combination determination table T2 when the game state is a big bonus game. In the case of a regular bonus game, the main CPU 40a selects a winning combination determination table T3. The main CPU 40a grasps the gaming state by setting a flag or the like in the RAM 40c. In addition, despite the fact that the specific game actors of the seven role and the bar role are determined internally, the symbol indicating the specific game role is displayed on any of the symbol valid lines that are valid in the game. If there is not (so-called “carrying-over state”), the main CPU 40a performs a lottery role lottery using a winning combination determination table (not shown) in which the particular game combination is not drawn.

  Subsequently, the main CPU 40a that has selected the winning combination determination table determines the winning combination, and stores (sets) information on the determined winning combination in the RAM 40c. Therefore, in the present embodiment, the main CPU 40a is a control device that performs a hit determination for determining whether or not the winning combination has been won. The main CPU 40a controls the drums 13 to 15 to rotate the drums 13 to 15.

  Subsequently, when the stop buttons 33 to 35 are operated, the main CPU 40a stops the drums 13 to 15 (the drums 13 to 15 corresponding to the operated stop buttons 33 to 35) based on the lottery result of the role lottery. Take control. Then, the main CPU 40a makes a winning determination when all the drums 13 to 15 (the drum unit U) are stopped. In the winning determination, the main CPU 40a determines whether or not the winning combination (internal lottery combination) determined internally by the combination lottery matches the symbol combination indicating the combination displayed in the symbol display window 20. That is, in this embodiment, when the winning combination internally in the winning combination lottery matches the winning combination indicated by the symbol combination finally displayed in the symbol display window 20 (when the determination result of the winning determination is affirmative). , The winning of the role is decided. Winning means that as a result of the game, a bonus (award medal, replay, big bonus game, regular bonus game) is awarded to the player. For example, if the cherry symbol is not displayed in the symbol display window 20 even though the cherry role is won in the role lottery, or the symbol display window 20 corresponds to the seven role in spite of winning the seven role in the role lottery. This is a case where the symbol combination to be displayed is not displayed. In other words, when the winning combination in the winning lottery does not match the winning combination indicated by the symbol combination finally displayed in the symbol display window 20 (when the result of winning determination is negative), The winning is not decided and the privilege by the role is not given to the player.

  Moreover, in the pachislot machine 10 of this embodiment, the stop table of the symbol combination with respect to each combination is determined in advance. In the stop table, for example, when the bell combination is determined by the lottery, the stop positions (design combinations) of the drums 13 to 15 (design rows 13a to 15a) are determined. A stop table is prepared for each combination, and the main CPU 40a performs stop control of the drums 13 to 15 according to the stop table in response to a stop instruction (operation of the stop buttons 33 to 35 and elapse of a predetermined time). Do. Further, when the main CPU 40a performs stop control of the drums 13 to 15, the drums 13 to 15 are forcibly within a predetermined range (maximum of four symbols) after the operation of the stop buttons 33 to 35 and a predetermined time elapses. Is controlled, and an arbitrary symbol combination is displayed on the symbol display window 20. That is, the main CPU 40a can perform stop control of the drums 13 to 15 within a predetermined range in response to an instruction to stop the drums 13 to 15. In the following description, the positions (front and rear) of the symbols in the symbol rows 13a to 15a will be described with reference to the rotation direction of each of the drums 13 to 15 (drum unit U).

  When the main CPU 40a is instructed to stop the rotating drums 13 to 15, the main CPU 40a grasps the symbols rotated and displayed on the symbol display window 20 when the stop is instructed by the reel sensors SE2 to SE4. If the symbol is not the symbol (position) defined in the stop table, the main CPU 40a forcibly performs stop control within a predetermined range. For this reason, the drums 13 to 15 do not always stop at the timing when the player presses the stop buttons 33 to 35, and when the player's operation does not coincide with the stop timing of the drums 13 to 15 (so-called “slip”). ]).

  In the present embodiment, the symbol rows 13a to 15a stop the stop tables (symbol combinations) corresponding to the bell role, the plum role, and the replaying role regardless of when the stop instruction for the drums 13 to 15 is given. The arrangement is such that it is possible (finally displayable in the symbol display window 20). When the main CPU 40a determines the bell role, the plum role, and the replaying role in the role lottery, each role (bell role, plum role, replaying role) is set to one of the valid symbol effective lines L1 to L5. Stop.

  In addition, in the symbol rows 13a to 15a, two cherry symbols are arranged at positions apart on the symbol row 13a, and the stop table (symbol combination) corresponding to the cherry role cannot be stopped depending on the timing of the stop instruction of the drum 13. (So-called “missing”) occurs. Missed means that the winning lottery was not won. Then, when the main CPU 40a determines the cherry combination in the combination lottery, the main CPU 40a can stop the cherry combination on any of the effective symbol effective lines L1 to L5. Specifically, when the main CPU 40a stops the cherry symbol in any of the upper, middle and lower stages of the symbol display window 20, at least four symbols before the symbol at the time of the stop instruction (within a predetermined range in which the main CPU 40a can perform stop control). ) Must have a cherry pattern. When the main CPU 40a stops the cherry symbol in any of the upper, middle and lower stages of the symbol display window 20 of the drum 13, at least four symbols after the symbol at the time of stop instruction (a predetermined range in which the main CPU 40a can perform stop control) When there is no cherry symbol in (inside), the missing eyes of the cherry role are stopped. “Plum / Plum / Replay” is stopped on the effective symbol effective lines L1 to L5 as a stop table corresponding to the missed cherry role. That is, in order to win the cherry role, the player must operate the stop button 33 (so-called “eye-push”) aiming at a symbol that is at least four symbols before the cherry symbol in the symbol row 13a. Yes, you can win a role by pushing the cherry symbol. On the other hand, when the symbol that is at least four symbols before the cherry symbol in the symbol row 13a is not pressed, the “plum / plum / replay” (chance eye) that is a missed eye is stopped. For this reason, if the cherry role is missed, the player cannot obtain award medals (2 or 4) corresponding to the cherry role.

  In addition, the main CPU 40a can stop the specific game combination elected in any of the activated symbol effective lines L1 to L5 when the specific game combination of the seven combination and the bar combination is determined. To. Specifically, when the symbols corresponding to the specific game player are stopped at the upper, middle, or lower stages of the drums 13 to 15 forming the symbol effective line where the main CPU 40a is enabled, at least four symbols before the stop instruction. Must have the design. Then, the main CPU 40a specifies the symbols when there is no symbol corresponding to the specific game player after at least four symbols of the symbols at the time of the stop instruction in each of the upper, middle and lower drums 13 to 15 forming the activated symbol effective line. A game player's missed eyes (so-called reach eyes, etc.) are stopped. That is, the player must operate the stop buttons 33 to 35 aiming at a symbol that is at least four symbols before the symbol corresponding to the specific game character in the symbol row 13a in order to win the specific game character. The winning combination can be won by pressing the symbol corresponding to the specific gaming combination. In the present embodiment, once a specific game combination is won, a state in which the specific game combination can be won is continued until the specific game combination wins. For this reason, even if it fails to push the symbol corresponding to the specific game combination, the specific game combination can be won after the next game.

  Further, when determining the offending combination, the main CPU 40a performs stop control of the drums 13 to 15 so as not to stop the small combination and the specific game combination in any of the effective symbol effective lines L1 to L5. For example, when the drum 13 and the drum 14 are stopped and two bell symbols are stopped on the effective symbol effective line, the main CPU 40a positions the drum 15 so as to form the symbol effective line (upper, middle or lower). The bell design is controlled so that it does not stop.

  Subsequently, when the main CPU 40a determines winning of a small role (bell role, plum role, cherry role, re-playing role) in the winning determination, the player receives the number of prize medals and benefits corresponding to each small role. To grant. Then, when the main CPU 40a gives a prize medal to the player, the main CPU 40a ends one game by paying out the prize medal or increasing the number of credits. When the main CPU 40a grants a replay to a player, the main CPU 40a automatically sets a betting rate corresponding to the replay (a betting rate equivalent to the current game) and ends one game. At the end of the game, the main CPU 40a clears the information storing the winning combination and moves to the next game process.

  In addition, when the main CPU 40a determines the winning of a specific game combination (seven role, bar role) in the winning determination, the main CPU 40a gives the player a number (15) of award medals and benefits corresponding to each specific game combination. To do. Then, the main CPU 40a pays out an award medal or increases the number of credits to finish one game and gives a bonus game to the player. Then, the main CPU 40a sets information indicating that the bonus game is to be started in the RAM 40c, and ends one game. At the end of the game, the main CPU 40a clears the information storing the winning of the specific game player and the like, and proceeds to the next game process.

  Further, the main CPU 40a ends one game without giving one award medal when the winning combination is determined in the winning determination. At the end of the game, the main CPU 40a clears the information storing the winning combination and the like, and proceeds to the next game process.

  Further, in the game, when the main CPU 40a wins the Seven role and starts the big bonus game, the count of the count number C is started from the next game after the Seven role winning (the first game after the start of the big bonus game). To do. Further, when the main CPU 40a determines the winning combination in the winning combination determination table of FIG. 5B, the main CPU 40a adds the number of award medals paid out to the player at the end of the one game. The main CPU 40a continues counting until the number of award medals paid out to the player reaches 360, and the big bonus is given at the end of the game where the number of award medals paid out to the player reaches 360. End the game. When the regular bonus game is determined during the big bonus game and the regular bonus game is won, the main CPU 40a determines the winning combination in the winning combination determination table shown in FIG. The count is counted simultaneously with the processing performed during the regular bonus game. At the end of the big bonus game, the main CPU 40a clears the information set at the start of the big bonus.

  Further, in the game, when the main CPU 40a wins the role of bar and starts the regular bonus game, the number of games and the small role are changed from the game after the bar role winning (the first game after the start of the regular bonus game). Start counting the number of wins. Further, when the main CPU 40a determines the winning combination in the winning combination determination table of FIG. 5C, the main CPU 40a updates the number of games and the number of small combinations won at the end of the one game. Then, the main CPU 40a continues counting until the number of games reaches 12 times or the number of small roles won reaches 8, and the game ends when the number of games reaches 12 times or the number of small roles won becomes 8 times. This ends the regular bonus game. At the end of the regular bonus game, the main CPU 40a clears the information set at the start of the regular bonus.

In the present embodiment, the ROM 40b is a control element related to the control of the gaming machine. The main control board 40 is a control board on which the control elements are mounted.
Next, the configuration of the effect control board 41 will be described.

  The effect control board 41 is provided with a sub CPU 41a, a ROM 41b, and a RAM 41c. A ROM 41b and a RAM 41c are connected to the sub CPU 41a. The ROM 41b stores a game effect control program for controlling game effects (display effects, light emission effects, sound effects), and the like. The RAM 41c stores (sets) various information (various control flags, various timer values, etc.) that can be appropriately rewritten during the operation of the pachislot machine 10. When the sub CPU 41a receives a control command from the main control board 40 (main CPU 40a), the sub CPU 41a performs control according to the input control command based on the game effect control program.

  Next, the main control board case 54 of the main control board 40 will be described in detail with reference to FIGS. FIG. 6 is a front view of the main control board case 54 when viewed from the front of the pachislot machine 10 when the front door 12 of the pachislot machine 10 is opened. FIG. 7 is a cross-sectional view of the main control board case 54 taken along line AA. FIG. 8 is a cross-sectional perspective view of the main control board case 54 taken along the line BB, and FIG. 9 is a side cross section of the main control board case 54.

  As shown in FIG. 7, the main control board case 54 is a cover member 70 formed so as to cover the surface of the main control board 40 (the surface on which the control elements such as the main CPU 40a, ROM 40b, and RAM 30c are mounted). And a tray member 71 formed so as to cover the back surface of the main control board 40. The tray member 71 is configured to cover the back surface of the main control board 40 and to fix the main control board 40 stably. The cover member 70 is combined with the tray member 71 in a state where the main control board 40 is fixed and the main control board 40 so as to be accommodated therein. By combining the cover member 70 with the tray member 71, the main control board 40 can be stably accommodated in a state in which the main control board 40 is fixedly held in the main control board case 54.

  The cover member 70 includes a substantially rectangular ceiling part 70a and side walls 70b erected along four sides of the ceiling part 70a. The length of the side wall 70b of the cover member 70 (the length in the vertical direction in FIG. 7) is the upper surface of all control elements (main CPU 40a, ROM 40b, etc.) on which the ceiling portion 70a of the cover member 70 is mounted on the main control board 40. It is set not to come into contact with.

  In FIG. 6, the upper part and the right part of the cover member 70 have a ceiling part 70 a recessed on the control board side, and a plurality of connector through holes 70 c are formed in the recessed part 70 e. The connector 40e disposed on the main control board 40 is exposed to the outside of the main control board case 54 through the connector through hole 70c. A connector through hole 70c is formed corresponding to the shape of each connector, and at the upper and right portions of the cover member 70, the ceiling portion 70a is close enough to be in contact with the main control board 40. Therefore, an unauthorized jig such as a wire cannot be illegally inserted from the connector through hole 70c, thereby preventing the unauthorized operation.

  The cover member 70 is provided with a plurality of exhaust heat through holes 70d at predetermined intervals. The exhaust heat through-hole 70d is much smaller than each control element, and is configured so that various control elements cannot pass through. Further, the exhaust heat through hole 70d is formed at a location away from the position of the ceiling portion 70a corresponding to the ROM 40b. Further, the exhaust heat through-holes 70d are arranged at predetermined intervals so that the strength of the cover member 70 itself does not become weak.

  Further, the main control board 40 used in the pachislot machine 10 needs to be used normally with proper control contents (program), and it is necessary to prevent unauthorized modification and fluctuation. For this reason, the main control board case 54 of the present embodiment is formed of a transparent resin, and the control elements on the front surface side of the main control board 40 accommodated in the main control board case 54 and the back surface of the main control board 40. The side circuit pattern (connection pattern) and the like can be easily seen through from the outside.

  Also, the main control board case 54 can prevent unauthorized opening of the main control board case 54 and leave a history of unauthorized opening as a measure for preventing unauthorized removal of various control elements mounted on the main control board 40. A plurality of unauthorized opening prevention means 72 are provided. As illustrated in FIG. 6, six of the unauthorized opening prevention means 72 are provided on the left end edge side of the main control board case 54, and each of the unauthorized opening prevention means 72 extends downward from the left edge of the tray member 71. And a coupling boss portion 73 composed of a lower half integrally formed toward the top and an upper half integrally formed upward from the left end edge of the cover member 70. When the cover member 70 is set to cover the tray member 71, the upper and lower halves are brought into alignment contact, and a screw 74 dedicated for tightening is screwed into the coupling boss portion 73 in the alignment contact state. The member 71 and the cover member 70 can be joined and set so that they cannot be separated by a general tool.

  As a result, in order to open the main control board case 54 and expose the main control board 40, the coupling boss 73 connected by the screws 74 that cannot be returned (reversely rotated) is connected to the tray member 71 and the cover member 70. The tray member 71 and the cover member 70 cannot be separated and opened unless they are cut from each other. If unauthorized opening is performed by cutting the coupling boss 73, the trace of the cutting remains clearly, so that the presence or absence of unauthorized opening can be easily recognized. In addition, in this embodiment, since the six unauthorized opening prevention means 72 are formed, the trace of unauthorized opening up to 6 times in total can be grasped.

  Further, the cover member 70 of the main control board case 54 is formed with a see-through window 75 having a horizontal rectangular shape as shown in FIG. The see-through window 75 is formed by a bottom portion of a recess forming portion 76 formed so that a part of the cover member 70 forms a rectangular parallelepiped shape toward the inner surface at a position corresponding to the control element (ROM 40b) on the main control board 40. It is comprised as shown in FIG. And the notation content of the notation part described on the surface (upper surface) of ROM40b can be visually recognized through this see-through window 75. FIG. As a result, in the unlikely event that the ROM 40b is attached to or detached from another unauthorized ROM 40b by an unauthorized player, the unauthorized fact can be found. Further, the bottom portion of the recess forming portion 76 is formed as an attachment / detachment restraining portion so that only a small distance (for example, about 1 to 3 mm) is ensured between the bottom portion and the ROM 40b.

  Six movement restraining portions 80 (movement restraining means) project from the ceiling portion 70a so as to surround the ROM 40b in the vicinity of both ends in the longitudinal direction and both ends in the lateral direction of the ROM 40b on the main control board 40. ing. Specifically, the movement control unit 80 is controlled from the ceiling 70a by one from the ceiling part 70a so as to be adjacent to both ends in the longitudinal direction of the ROM 40b at a slight distance (for example, about 1 to 2 mm) from both longitudinal ends of the ROM 40b. A protrusion is formed toward the substrate 40. Note that the movement restraining portions 80 adjacent to both ends in the longitudinal direction are arranged so as to bisect the length in the short direction of the ROM 40b (that is, in the center in the short direction of the ROM 40b). In addition, two movement stop portions 80 are respectively provided from the ceiling portion 70a so as to be adjacent to both ends in the short direction of the ROM 40b at a slight distance (for example, about 1 to 2 mm) from both ends in the short direction of the ROM 40b. A protrusion is formed toward the control board 40. Note that the movement restraining portions 80 adjacent to both ends in the short direction are arranged at a predetermined interval so as to divide the length of the ROM 40b in the longitudinal direction into three equal parts.

  And the movement stop part 80 has the 1st stop piece 81 which protrudes on the upper surface of ROM40b, respectively, The movement to the upper direction (attachment / detachment direction) of ROM40b is controlled. The first stop piece 81 is integrally formed with the bottom of the recess forming portion 76. In other words, the first stop piece 81 is formed so as to protrude from the bottom portion of the recess forming portion 76 toward the ROM 40b, and the tip portion (lower end portion) is very slightly between the surface of the ROM 40b (for example, about 1 mm). ) Is ensured only in the distance. Thereby, the movement restraining part 80 restricts the movement of the ROM 40b in the attaching / detaching direction (the direction of the ceiling part 70a or above) so that the ROM 40b cannot be attached to or detached from the main control board 40.

  Further, the movement restraining portion 80 has a second restraining piece 82 which is formed in a substantially trapezoidal shape with the side shape of the side being the inner side of the recessed molding portion 76, that is, the ROM 40b side as an oblique side ( 9), the tip (lower end) thereof is formed so as to ensure a very small distance (for example, about 1 mm) from the surface of the main control board 40. The movement restraining portion 80 is configured to restrict movement (vertical and lateral movement) of the ROM 40b in the respective side surfaces by the second restraining pieces 82. Further, in the movement restraining portion 80, the side surface of the movement restraining portion 80 on the dent molding portion 76 side is integrally formed with the side surface of the dent molding portion 76.

  A reinforcing member 84 is integrally formed with the movement restraining portion 80. The reinforcing member 84 is a side wall of the cover member 70 from the middle of the outer side surface (the left side surface in FIGS. 6 and 9) of the movement restraining portion 80 disposed on the left side of the ROM 40b in FIG. The other end of the reinforcing member 84 is integrated with the side wall 70b (the left side wall 70b in FIGS. 6 and 9). That is, the reinforcing member 84 of the present embodiment is formed to extend over the entire region from the movement restraining portion 80 to the left side wall 70b of the cover member 70 in FIG. Further, as shown in FIG. 9, the lower end portion of the reinforcing member 84 is a predetermined interval (for example, about 8 to 11 mm) between the surface of the main control board 40 (the surface of the control element on the upper surface of the control element). The distance is secured. As shown in FIG. 9, a predetermined distance (for example, about 8 to 11 mm) is secured between the upper end portion of the reinforcing member 84 and the ceiling portion 70 a of the cover member 70.

  Further, the reinforcing member 84 is located on the outer side surface (lower side surface in FIG. 6) of the movement restricting portion 80 disposed on the lower side (lower side in the short direction) of the ROM 40b in FIG. The other end of the reinforcing member 84 is integrated with the side wall 70b (the lower side wall 70b in FIG. 6). That is, as shown in FIG. 7, the reinforcing member 84 of the present embodiment is formed so as to extend over the entire region from the movement restricting portion 80 to the lower side wall 70b of the cover member 70 in FIG. In addition, a predetermined distance (for example, about 8 to 11 mm) is ensured between the lower end portion of the reinforcing member 84 and the surface of the main control board 40 (on the upper surface of the control element, the surface of the control element). . Similarly, a predetermined distance (for example, about 8 to 11 mm) is ensured between the upper end portion of the reinforcing member 84 and the ceiling portion 70a of the cover member 70.

  As described above, by providing the first stop piece 81 of the movement stop portion 80, the tray member 71 and the cover member 70 that have been joined and set are forcibly pushed open, and an illegal jig is inserted between the two 70 and 71. Even if the ROM 40b is inserted and removed illegally, the detaching action from the main control board 40 can be prevented. On the other hand, even if the ROM 40b is removed from the main control board 40, the action of taking out the ROM 40b from the position can be restrained by the second restraining piece 82 of the movement restraining portion 80. Further, the movement restraining portion 80 is formed so as to protrude from the ceiling portion 70a, and a reinforcing member 84 that is integrally formed with the movement restraining portion 80 is provided. The reinforcing member 84 extends to the side wall 70b of the cover member 70, and is integrally formed with the side wall. . Thereby, in order to destroy the movement stop part 80, the reinforcing member 84 must be destroyed together with the cover member 70. That is, even if the ceiling part 70a further outside the movement restraining part 80 is cut off, the movement restraining part 80 formed integrally with the reinforcing member 84 is integrated with the ceiling part 70a, so that the cut part is removed. Therefore, it is necessary to destroy either the movement stopping portion 80 or the reinforcing member 84. Accordingly, it is possible to prevent and suppress the destructive action.

As described above in detail, the present embodiment has the following effects.
(1) Since the movement restricting portion 80 is provided, even if the hole for replacing the control element (ROM 40b) is illegally formed by destroying the ceiling portion 70a of the cover member 70, the movement restricting portion 80 is provided with the ROM 40b. Can be prevented. One end of the reinforcing member 84 is formed integrally with the movement stopping portion 80, and the other end of the reinforcing member 84 is formed integrally with the side wall 70 b of the cover member 70. For this reason, in order to remove the movement restraining part 80 formed integrally with the ceiling part 70a, not only the ceiling part 70a further outside the movement restraining part 80 but also the reinforcing member 84 must be destroyed, It can make vandalism difficult. Further, since the reinforcing member 84 is integrally formed with the movement restraining portion 80, the strength of the movement restraining portion 80 can be increased. For this reason, the cover member 70 covering the surface of the main control board 40 can be destroyed to form a hole, and an illegal act of replacing the ROM 40b mounted on the surface of the main control board 40 can be prevented. Further, since the reinforcing member 84 is integrally formed with the movement restraining portion 80, the manufacturing cost and labor can be reduced.

  (2) The reinforcing member 84 is formed to extend from the ROM 40b toward the two side walls 70b that are close to each other. As a result, in order to avoid the reinforcing member 84 and cut the cover member 70, the side wall 70b on which the reinforcing member 84 is formed must be largely cut off, so that the destructive action can be made difficult.

  (3) An unauthorized opening prevention means 72 for preventing the cover member 70 from being opened from the tray member 71 is provided. As a result, it is possible to prevent the main control board case 54 from being illegally opened. For this reason, it is possible to prevent both illegal acts such as unauthorized destruction and opening of the main control board case 54.

(Second embodiment)
Next, a second embodiment embodying the present invention will be described. In addition, the same code | symbol as 1st embodiment is attached | subjected to the structure similar to 1st embodiment, the detailed description and drawing are abbreviate | omitted or simplified.

  A reinforcement member 90 is integrally formed with the movement restraining portion 80 that regulates the movement of the ROM 40b. In the second embodiment, the reinforcing member 90 is connected to the cover member 70 from the outer side surface (the left side surface in FIG. 10) of the movement restraining portion 80 disposed on the left side of the ROM 40b in FIG. The other end of the reinforcing member 90 is integrated with the side wall 70b (the left side wall 70b in FIG. 10). Further, as shown in FIG. 10, the lower end portion of the reinforcing member 90 is only a slight distance (for example, about 1 mm) from the surface of the main control board 40 (on the upper surface of the control element, the surface of the control element). It is formed so as not to be secured. On the other hand, as shown in FIG. 10, a predetermined distance (for example, about 8 to 11 mm) is secured between the upper end portion of the reinforcing member 90 and the ceiling portion 70 a of the cover member 70. The reinforcing member 90 is also integrally formed in the movement restraining portion 80 of the movement restraining portion 80 that is closer to the side wall 70b in the lateral direction of the ROM 40b.

As described above in detail, this embodiment has the following effects in addition to the effects of the first embodiment.
(4) The lower end of the reinforcing member 90 was formed until it almost reached the main control board 40. For this reason, the strength of the reinforcing member 90 can be increased and it becomes more difficult to break the cover member 70.

(Third embodiment)
Next, a third embodiment embodying the present invention will be described. In addition, the same code | symbol as 1st embodiment is attached | subjected to the structure similar to 1st embodiment, the detailed description and drawing are abbreviate | omitted or simplified.

  A reinforcement member 91 is integrally formed with the movement restraining portion 80 that restricts the movement of the ROM 40b. In the third embodiment, the reinforcing member 91 is connected to the cover member 70 from the outer side surface (left side surface in FIG. 11) of the movement restraining portion 80 disposed on the left side of the ROM 40b in FIG. It is formed so as to extend linearly toward the side wall 70b, and the other end of the reinforcing member 91 is integrated with the side wall 70b (left side wall 70b in FIG. 11). Further, as shown in FIG. 11, the lower end portion of the reinforcing member 91 is only a slight distance (for example, about 1 mm) from the surface of the main control board 40 (on the upper surface of the control element, the surface of the control element). It is formed so as not to be secured.

  As shown in FIG. 11, the upper portion of the reinforcing member 91 is integrally formed with the ceiling portion 70 a of the cover member 70. In other words, a reinforcing member 91 for reinforcing the cover member 70 and the movement restraining portion 80 is integrally formed on the facing surface facing the main control board 40 in the ceiling portion 70 a so as to protrude toward the main control board 40. Has been. At the same time, the reinforcing member 91 is formed so as to protrude from the ceiling portion 70a over the entire region from the movement restricting portion 80 to the left side wall 70b of the cover member 70 in FIG. The reinforcing member 91 is integrally formed in the movement restraining portion 80 of the movement restraining portion 80 closer to the side wall 70b in the short direction of the ROM 40b.

As described above in detail, this embodiment has the following effects in addition to the effects of the first embodiment.
(5) The reinforcing member 91 protruding from the facing surface toward the main control board 40 is integrally formed on the facing surface of the cover member 70 facing the main control board 40. That is, the upper part of the reinforcing member 91 in FIG. 11 is integrally formed with the ceiling part 70 a of the cover member 70. In addition, the reinforcing member 91 is formed integrally with the movement restraining portion 80, is formed in a straight line from the movement restraining portion 80 to the side wall 70b of the cover member 70, and is integrally formed with the side wall 70b. Accordingly, it is difficult to cut the ceiling portion (opposing surface) 70a of the cover member 70 corresponding to the position of the ROM 40b by avoiding the reinforcing member 91 and form a replacement hole for the ROM 40b. That is, when the ceiling portion 70a is cut, the reinforcing member 91 always inhibits the destructive action and takes time, and the destroyed trace can be left firmly. For this reason, the cover member 70 covering the surface of the main control board 40 can be destroyed to form a hole, and an illegal act of replacing the ROM 40b mounted on the surface of the main control board 40 can be prevented. Further, even if the cover member 70 is to be destroyed from the side wall 70b, the presence of the reinforcing member 91 protruding from the ceiling 70a to almost the surface of the main control board 40 makes it difficult to destroy, so that illegal acts can be prevented.

In addition, the said embodiment can be embodied in another embodiment (another example) as follows.
In the above embodiment, the dent molding portion 76 is formed, but it may not be formed.
In the above embodiment, illegal exchange is prevented for the ROM 40b in which the winning combination determination tables T1 to T3 are stored, but other control related to the control for giving a big hit game or the prize medal payout control You may make it prevent unauthorized replacement | exchange with respect to a control element. For example, in order to prevent unauthorized replacement of the main CPU 40a, a movement restraining portion 80 in which reinforcing members 84, 90, 91 are integrally formed may be disposed around the main CPU 40a.

In the above embodiment, the main CPU 40a and the ROM 40b may be integrated. Further, the main CPU 40a and the random number generator 40d may be integrated.
In the above embodiment, the present invention is embodied in the pachislot machine 10 which is a kind of gaming machine, but the present invention may be embodied in a gaming machine such as a pachinko machine using a game ball or a pachinko slot machine. .

  In the above embodiment, in order to reduce the influence on the height and arrangement of other electronic components, the reinforcing member 84 is formed on the movement restraining portion 80 that is the closest from the side wall 70b that is the closest to the ROM 40b. The reinforcing member 84 is formed on the movement restraining portion 80 having the closest distance from the side wall 70b having the second closest distance from the ROM 40b. As another example, the reinforcing member 84 may be formed on an arbitrary movement restraining portion 80. For example, the reinforcing members 84 may be formed on all the movement restraining portions 80. Further, the reinforcing member 84 may be formed only in the movement restraining portion 80 that is closest to the side wall 70b that is closest to the ROM 40b.

  In the above embodiment, the positions of the lower end portions of the reinforcing members 84, 90, 91 may be changed corresponding to the height of the upper surface of the control element mounted on the main control board 40. For example, the position of the lower end portion of the reinforcing members 84, 90, 91 may be changed according to the height of the upper surface of the ROM 40b. Further, when another control element is mounted between the movement restricting portion 80 and the side wall 70b, the reinforcing members 84, 90 are provided so that the control element does not interfere with the lower ends of the reinforcing members 84, 90, 91. , 91 may be formed with a recess at the lower end.

  In the above embodiment, the movement restraining portion 80 moves the first restraining piece 81 that restricts the movement of the ROM 40b in the attaching / detaching direction (vertical direction in FIG. 9) and the movement of the ROM 40b in the vertical and horizontal directions (vertical and horizontal directions in FIG. 6). Although the second stopping piece 82 to be controlled is provided, the second stopping piece 82 may be omitted if only the first stopping piece 81 is provided.

Next, a technical idea that can be grasped from the above embodiment and another example will be added below.
(A) The movement restraining means includes a first restraining piece adjacent to the upper surface of the control element so as to restrict movement of the control element in the upper surface direction, and a movement of the control element in the side surface direction. the second stop piece adjacent to the side surface of the control element you, comprising for each side.

(B) When the facing surface of the cover member is a quadrangular shape, the reinforcing member is formed to extend toward at least two side surfaces that are close to each other from a position corresponding to the upper surface of the control element. the shall be the feature.

(Iii) when combined with the cover member and the tray member, you characterized in that is provided with unauthorized opening prevention means leave traces when unauthorized opening while preventing unauthorized opening.

(D) the movement restraint means, you characterized by being integrally formed with said cover member so as to protrude from the facing surface that faces the control board of the cover member to the control board direction.

(E) the control element, characterized in that related to the control or dispensing control of prize balls to impart jackpot gaming.

The front view which shows the surface side of a pachislot machine. Explanatory drawing which shows a winning combination. The block diagram which shows the control structure of a pachislot machine. The front view of the pachislot machine in the state where the front door was opened. (A)-(c) is explanatory drawing which shows a winning combination determination table. The top view of a main control board case. AA line sectional view of a main control board case. BB line sectional perspective view of the main control board case. A side sectional view of a main control board case. The sectional side view of the main control board case of 2nd embodiment. The side sectional view of the main control board case of a third embodiment.

Explanation of symbols

  H1 ... Special figure display, H2 ... Variable display, SE1 ... Starting port sensor, 10 ... Pachinko machine, 20 ... Center accessory, 22 ... Starting winning port, 30 ... Main control board (main control means), 30a ... Main CPU, 30c ... RAM, 31 ... Overall control board (sub control means, overall control means), 31a ... Overall CPU, 31b ... ROM, 31c ... RAM, 32 ... Display control board (sub control means), 32a ... Sub CPU, 54 ... Main control board case, 70 ... Cover member, 70a ... Ceiling surface, 70b ... Side wall, 71 ... Tray member, 72 ... Illegal opening prevention means, 76 ... Dent molding part, 80 ... Movement stop part, 81 ... First stop Pieces 82 ... second stop pieces, 84, 90, 91 ... reinforcing members.

Claims (4)

A game containing a control board on which a control element related to control of a gaming machine to which a jackpot game advantageous to a player is given when a predetermined jackpot display result is displayed in a symbol variation game in which a plurality of types of symbols are varied is displayed. In board case for machine,
A cover member covering the surface of the control board on which the control element is mounted;
A tray member covering the back surface of the control board;
A movement restraining means in the attaching / detaching direction of the control element so as to restrict the movement of the control element in the attaching / detaching direction;
The control board is configured to be accommodated by combining the cover member and the tray member,
In order to reinforce the movement restraining means, the reinforcing member formed integrally with the movement restraining means extends to the side surface of the cover member, and is integrally formed with the side face ,
A recess that is recessed closer to the control board than the facing surface on the end side of the facing surface of the cover member that faces the control board when the control board is accommodated by combining the cover member and the tray member. Forming part is formed,
By combining the cover member and the tray member, the upper surface of the control element is opposed to the bottom surface of the recessed molding part,
The reinforcing member is formed to extend to a side surface of the cover member that is close to the control element.
The movement restraining means is formed integrally with the bottom surface of the recess forming part, and controls the control element so as to restrict the movement of the control element in the upper surface direction between the bottom surface of the recess forming part and the top surface of the control element. A first stop piece adjacent to the upper surface of the recess is formed integrally with the side surface of the recessed molding portion, and protrudes from the first stop piece toward the control element so as to restrict movement of the control element in the side face direction. And a second stop piece formed in a substantially trapezoidal shape adjacent to a side surface of the control element and having a side on the control element side as an oblique side . The side surface of the control element faces the side surface of the cover member;
The second stop piece is formed for each side surface of the control element,
2. The substrate according to claim 1, wherein the reinforcing member is formed integrally with the second stop piece facing a side surface of the cover member that is close to the control element and does not face each other. Case. When the cover member and the tray member are combined, it includes an unauthorized opening preventing means for preventing unauthorized opening and leaving a trace when unauthorized opening is performed,
The unauthorized opening prevention means is disposed on the side of the cover member integrally formed with the reinforcing member, at least on the opposite surface side than the bottom surface of the recessed molding portion,
3. The substrate case according to claim 1 , wherein the reinforcing member is integrally formed on a side surface of the cover member on the control substrate side at least with respect to a bottom surface of the recessed molding portion .   In the cover member, a through-hole for exhaust heat is formed at a location away from a position facing the control element,
  The substrate case according to any one of claims 1 to 3, wherein a space is formed between the reinforcing member and the facing surface of the cover member.

Images