JP2008228882A - Fraudulent operation preventing structure of guard plate of game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fraudulent operation prevention structure of a guard plate of a game machine which prevents a fraudulent operation of an opening and closing hook to unlock a front door. <P>SOLUTION: The guard plate 24 is composed of a main plate 240 attached to a housing 2 and a sub plate 241 joined to the main plate 240 and having a locking receiving metal fitting 241b. Furthermore, the main plate 240 has an extended portion 240b extended rearward of the locking receiving metal fitting 241b, nearly aligning the locking receiving metal fitting 241b with the front edge of the extended portion 240b and located nearly in the longitudinal center of the sub plate 241. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a structure for preventing unauthorized operation of a guard plate of a gaming machine such as a slot machine, and more particularly to a structure for preventing unauthorized operation of a guard plate provided with a locking bracket.

  Conventionally, in this type of guard plate (so-called cabinet sheet metal), as shown in FIG. 7, the guard plate is disposed along the opening edge on the right side in the wooden housing 2. The front door is locked by engaging the upper and lower opening / closing hooks (interlocking type) of the locking device disposed on the front door (not shown) with the locking brackets 24a and 24b (for example, patents). Reference 1).

JP 2005-21438 A

  However, in the conventional guard plate, as shown in FIG. 7, the two locking brackets 24a and 24b are provided on the rear portion of the guard plate 24 extending in the front-rear direction (the surface portion facing the back plate portion 2e). Is cut vertically to extend toward the left side plate 2b. For this reason, since the wooden right side plate portion 2c is connected to the rear of the locking brackets 24a and 24b, the right side plate portion 2c in the vicinity of the locking bracket 24a or 24b is perforated with a drill or the like. There was a problem that the opening / closing hook was illegally operated by a foreign matter such as a wire inserted from the hole, and the front door was unlocked.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a structure for preventing an unauthorized operation of a guard plate of a gaming machine that can prevent an unauthorized operation of an opening / closing hook that unlocks a front door. .

In order to achieve the above object, the invention described in claim 1 is arranged along the opening in the housing of the gaming machine, and the opening and closing hooks of the locking device provided on the front door are engaged to engage the front door. In the structure for preventing unauthorized operation of guard plates of gaming machines equipped with locking brackets to lock,
The guard plate includes a first plate member that is attached to the housing, and a second plate member that is joined to the first plate member and includes the lock receiving metal fitting. The plate member is formed with an extending portion extending toward the rear of the locking bracket, and the locking bracket is substantially aligned with a front end edge of the extending portion and is substantially centered in the front-rear direction of the second plate member It is characterized by being located in.

  According to the first aspect of the present invention, the guard plate includes a first plate member attached to the housing, a second plate member joined to the first plate member and provided with a locking bracket. It has. Further, the first plate member is formed with an extending portion extending rearward of the locking bracket, and the locking plate is substantially aligned with the front end edge of the extending portion, and the second plate member. It was located at the center of the front and back. As a result, the periphery of the locking bracket is substantially a double plate structure of the first plate and the second plate, and the extending portion of the first plate is disposed behind the locking bracket. Therefore, it becomes impossible to make a hole reaching the inside of the housing near the locking bracket. Therefore, unauthorized operation of the opening / closing hook can be prevented.

  According to the structure for preventing illegal operation of the guard plate of the gaming machine of the present invention, the periphery of the lock receiving bracket has a substantially double plate structure, and an extending portion extending to the rear of the lock receiving bracket is provided. Thereby, since it becomes impossible to make the hole which reaches in a housing | casing in the vicinity of a lock | rock receiving metal fitting, the unauthorized operation of an opening-and-closing hook can be prevented.

  Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings, taking a slot machine as an example. FIG. 1 is a front view of the slot machine, and FIG. 2 is a front view showing the internal structure of the slot machine with the front door opened. In addition, the same code | symbol is attached | subjected about the structural member similar to the past.

  As shown in FIGS. 1 and 2, the slot machine 1 includes a rectangular box body (so-called cabinet, shown in FIG. 2) 2 having an open front surface, and a slide hinge 3 and 3 connected to the housing 2. And a right-opening (left hinge) front door (so-called front mask) 4 attached so as to be openable and closable.

First, the internal structure of the housing 2 will be described.
As shown in FIG. 2, the housing 2 includes a wooden upper plate portion 2 a, left and right side plate portions 2 b and 2 c, a bottom plate portion 2 d, and a back plate portion 2 e.
A main control board 20 having a CPU (microcomputer) that centrally controls the overall operation of the slot machine 1 is housed in a hard plastic cover 21 at the upper part of the back plate 2e in the housing 2. It is attached. The cover 21 is internally sealed by a caulking cap 22 as two caulking tools straddling between the upper portions of both covers in a state where the lid side cover is overlapped with the substrate side cover provided on the main control board side. . The caulking cap 22 is formed by fixing the front and rear two fixed locking claws integrally formed on the left and right side portions of the substantially cylindrical main body portion to a predetermined position of the substrate side cover or the cover side cover, respectively. And the lid side cover are fixed to prevent the cover 21 from being detached.

  In addition, an external output terminal for outputting predetermined information data (for example, jackpot, payout number, etc.) from the slot machine 1 to the hall computer is provided above the right side plate portion 2c in the housing 2. A concentrated terminal board 23 is attached. Furthermore, the guard plate 24 provided with the locking receiving metal fittings 240a and 241b with which the opening and closing hooks 461 and 462 of the locking device 46 of the front door 4 are engaged is attached to the right side plate portion 2c. Details of the guard plate 24 will be described later.

  A reel unit 100 constituting a variable display device having reels 101a, 101b, and 101c is disposed in the center of the housing 2. The reel unit 100 is placed on the upper surface of a metal frame plate portion 2f supported by the left and right side plate portions 2b and 2c and the back plate portion 2e, and the front door 4 faces the housing 2 side. When closed, the reels 101a, 101b, and 101c on which identification information of a plurality of types of symbols and numbers are drawn are positioned in the display window 51 of the panel surface 50 of the front door 4. Also, on the lower side of the left and right base end portions of the frame plate portion 2f, cross-sectional hat-shaped handles 25 and 25 into which fingers are inserted when the slot machine 1 is moved are openings 2b1 of the left and right side plate portions 2b and 2c. , 2c1 (shown in FIG. 5).

  The reels 101a, 101b, and 101c are rotationally driven by stepping motors built in the reels 101a, 101b, and 101c, respectively, and on the upper surface of the reel unit 100, a spinning device substrate 26 that sends a four-phase driving pulse signal to the stepping motor. Is attached. The main control board 20 sends rotation drive (excitation) pulse data to the rotation apparatus board 26, so that the rotation, braking and stop of the reels 101a, 101b and 101c are controlled.

  In the lower side of the reel unit 100, that is, in the center of the upper surface of the bottom plate portion 2d in the housing 2, game media such as medals (hereinafter referred to as medals) inserted into the housing 2 are temporarily stored and necessary. A hopper device 27 is attached as a medal payout device for paying out accordingly. On the right side of the hopper device 27, a sub tank 28 for receiving medals overflowing from the hopper device 27 is attached and fixed. On the left side of the hopper device 27, a main power supply device 29 that receives power supply from the outside and supplies necessary power to the internal device is attached and fixed in a grounded state. The main power supply device 29 incorporates a power supply device board corresponding to a so-called switchboard.

Next, the external configuration of the front door 4 will be described.
As shown in FIG. 1, the front side of the front door 4 is integrally formed of hard plastic as a so-called decorative board designed to enhance the visual effect as a “front panel portion” facing the player. Therefore, the upper panel part 5, the lower panel part 6, and the console 7 are substantially divided.

  A panel surface 50 is provided at the center of the upper panel portion 5. A substantially rectangular transparent display window 51 is provided substantially at the center of the panel surface 50, and the three reels 101 a and 101 b of the reel unit 100 provided in the housing 2 are passed through the display window 51. , 101c can be visually observed.

  On the upper part and the left and right sides of the upper panel part 5, there are provided an illumination effect device 52 and effect illumination parts 53a to 53f as illumination means incorporating a light source such as a fluorescent lamp or a high-intensity light emitting diode inside the lens panel. Has been. The lighting effects device 52 and the lighting units 53a to 53f for lighting are turned on or blinking according to the progress of the game, thereby enhancing the visual effect in the game. Further, the lighting effect device 52 as the lighting means functions as a means for notifying the gaming state of the slot machine 1.

  Below the lighting effect device 52, there are a pair of left and right effect sound emitting portions 54a and 54b incorporating speakers 42a and 42b (shown in FIG. 2) for generating sound effects related to the game, and a liquid crystal display effect device 55. It is arranged. The liquid crystal display effect device 55 is an effect device of the slot machine 1 formed by fitting a transparent hard plastic plate or the like, and mainly displays video and game (game) information related to game effects. It has become.

  The lower panel portion 6 is provided with a panel 61 for displaying the design of the appearance character and the like so that the player can recognize the model type of the slot machine 1. Below the panel 61, a receiving unit 62, a medal payout outlet 63 for discharging medals when winning a prize, and speakers 45a and 45b (shown in FIG. 2) for generating effect sound effects are incorporated. Etc. are arranged. Further, the tray unit 62 is integrally formed with a tray portion 62a for storing medals paid out from the medal payout outlet 63, and is provided with an ashtray member 65 for smoking by the player. .

  In addition, on both the left and right sides of the panel 61, effect lighting units 66a and 66b that incorporate a light source such as a high-intensity light emitting diode are disposed inside the lens panel. The effect lighting units 66a and 66b, like the lighting effect device 52 and the effect lighting units 53a to 53f, are turned on or blinking according to the progress of the game so as to enhance the visual effect in the game. It has become.

  The console 7 is provided with a medal insertion portion 71 and bet buttons 72 and 73 on the upper surface side, and a start lever 74, stop buttons 75a, 75b and 75c, an adjustment button 76, an eject button on the front surface side. 77 and a keyhole 78 are provided.

The medal insertion portion 71 is integrally formed with a medal insertion slot for inserting medals bet on the game into the housing 2.
The bet buttons 72 and 73 are button switches for presenting the number of medals to bet on one game of the slot machine 1. That is, when the bet button 72 is pressed once at the start of the game, one medal is bet on the game from the stored medals, and when the bet button 73 is pressed once. Three medals are bet on the game. Therefore, the bet button 72 is called a “1 bet button”, and the bet button 73 is called a “max bet button” because a maximum number of medals can be bet.

The start lever 74 is a lever switch for instructing the rotation start of the reels 101a to 101c.
The stop buttons 75a, 75b, and 75c are button switches for instructing to stop the rotation of the reels 101a, 101b, and 101c rotated by the start lever 74, and are arranged in parallel corresponding to the arrangement of the reels. ing.
The settlement button 76 is a button switch for instructing the payout of medals bet on the game and instructing the payout of medals internally held by a medal credit means (not shown).

The eject button 77 is a button switch for discharging a clogged medal after the medal is inserted.
The key hole 78 is located on the front surface of the cylinder lock, and when the key is inserted into the key hole 78 and the front door 4 is turned in the opening direction by a predetermined key operation (rotated clockwise). The front door 4 can be opened. The front door 4 is automatically locked when closed.

Next, the back surface structure of the front door 4 will be described.
As shown in FIG. 2, the sub-control board 40 formed of an electric circuit board is in the same manner as the cover 21 at the position on the back side of the front door 4, that is, the back side of the liquid crystal display effect device 55. It is arranged in a state of being housed in a hard plastic cover 41. The sub-control board 40 controls display of effect video by the liquid crystal display effect device 55, effect effect illumination control using the illumination effect device 52 and the effect illumination units 53a to 53f, 66a, 66b, the effect sound emitting unit 54a, Control mainly related to game effects such as effect sound effect control using 54b, 64a, and 64b is mainly performed. A pair of left and right speakers 42a and 42b are disposed on the left and right sides of the sub-control board 40, that is, on the back side of the effect sound emitting portions 54a and 54b.

  Although not shown, a cold cathode fluorescent lamp for irradiating the outer peripheral surfaces of the reels 101a, 101b, and 101c to display the symbols brightly at a position corresponding to the lower side of the sub-control board 40, that is, the back side of the panel surface 50. In addition, an inverter for driving the cold cathode fluorescent lamp and a central control board housed in a hard plastic central control board cover are attached in a united state.

  A medal sorting device 43 is disposed at a position corresponding to the lower side of the medal insertion portion 71 on the back side of the console 7. The medal sorting device 43 is a device that determines and distributes the suitability of medals inserted from the medal insertion unit 71. Further, the medal sorting device 43 has a built-in medal sensor, and when a normal medal is inserted and the medal sensor detects this medal in a game standby state or the like, a signal indicating acceptance of medal insertion is sent to the central control board. To send to.

Further, the medal sorting device 43 has a plan view J extending from the back side to the front side for guiding regular medals discharged from the right side surface of the medal sorting device 43 to the hopper device 27 provided in the housing 2. The letter-shaped guide member 44a and the guide member 44b for guiding the medals (or foreign matter) removed by the medal sorting device 43 to the lower medal payout port 63 are connected. Further, a guide member 44c that guides the medals discharged from the hopper device 27 to the medal payout outlet 63 is continuous with the lower portion of the guide member 44b.
In addition, a pair of left and right speakers 45a and 45b are disposed at the lower part of the rear side of the front door 4, that is, the position corresponding to the back side of the sound emitting parts 64a and 64b for effects.

  A locking device 46 is disposed on the back side of the keyhole 78. This locking device 46 rotates a connecting rod 463 connected to two upper and lower opening / closing hooks 461 and 462 pivotably supported by a body frame 460 bent in an L shape by a key operation of a cylinder lock. The front door 4 is unlocked by sliding it upward by the cam plate 465 and releasing the opening and closing hooks 461 and 462 from the locking brackets 240a and 241b on the housing 2 side.

Here, a structure for preventing unauthorized operation of the guard plate provided with the locking bracket will be described with reference to FIGS.
3 is a perspective view of a housing having a guard plate to which the present invention is applied, FIG. 4 is a side view of the inside of the housing in the example, and FIG. 5 is an exploded view of the housing and the guard plate in the example. A perspective view and FIG. 6 are AA arrow sectional drawings in FIG.

  The present invention is applied to a guard plate provided with a locking bracket, and as shown in FIGS. 3 to 6, the guard plate 24 includes a main plate 240 as a first plate member, a second plate member, and a second plate member. And a sub-plate 241 as a plate member.

  Specifically, as shown in FIGS. 3 to 5, the main plate 240 is a long sheet metal member extending in the vertical direction along the opening edge of the housing 2, and a lock receiving metal fitting is provided on the upper portion thereof. 240a is integrally formed. The locking bracket 240a is formed by vertically raising an extended portion extending in a rectangular shape from the rear edge portion of the main plate 240 toward the back plate portion 2e so as to extend toward the left plate portion 2b. Is formed. That is, the right side plate portion 2c is connected to the rear side of the locking bracket 240a.

  In addition, the center of the main plate 240 includes a portion provided with a locking bracket 241b, and the upper part extends to a position substantially equal to the mounting position of the frame plate 2f, and the lower part extends to the upper surface of the sub tank 28. Inside, an extended portion 240b (a portion indicated by hatching in the drawing) extending rearward is formed so as to be wider than the upper and lower portions of the main plate 240.

  As shown in FIGS. 4 to 6, the sub-plate 241 is superposed on the side surface of the main plate 240 (the surface portion facing the housing 2), and is used for metallurgical coupling such as welding or rivets. It is integrally coupled and fixed to the main plate 240 by mechanical coupling, and the longitudinal direction is such that the upper part reaches the lower surface of the handle 25 on the right side plate portion 2c side and the lower part reaches the upper surface of the sub tank 28. Is formed. Further, the short direction is formed so as to reach from the front end portion of the main plate 240 to the rear end portion of the extending portion 240b.

  A receiving member 241 c for supporting the rotating roller 464 of the locking device 46 provided on the back side of the front door 4 is integrally provided at the lower portion of the sub plate 241. Further, a locking bracket 241 b is integrally formed at the center of the sub-plate 241. The locking bracket 241b has a rear portion of the sub-plate 241 (a surface portion facing the back plate portion 2e) facing the left-side plate portion 2b substantially at the front and rear center of the sub-plate 241 that is also the front end edge of the extension portion 240b. It is formed by being cut and raised vertically so as to extend.

  That is, as shown in FIGS. 4 to 6, the sub-plate 241 is superposed on the main plate 240 except for the notched portion (the portion that becomes the locking bracket 241 b), and the front door 4 is closed. In addition to being able to sufficiently withstand the impact force (impact force when the opening / closing hook 462 is engaged), the periphery of the locking bracket 241b has a substantially double plate structure. Further, the notched portion is configured such that the extended portion 240b of the main plate 240 is located. The guard plate 24 is fastened and fixed by a fixing screw to a recess 2c1 (shown in FIGS. 5 and 6) formed on the opening edge of the right side plate portion 2c in the housing 2 in accordance with the shape of the guard plate 24. In this case, the main plate 240 is first connected to the rear side of the locking bracket 241b, and then the right side plate portion 2c is connected.

  As described above, according to the present invention, the guard plate 24 includes the extended portion 240b extending toward the rear of the locking bracket 241b, and the locking bracket 241b matches the front edge of the extended portion 240b. And the center of the sub-plate 241 is approximately the front and rear. In other words, since the periphery of the locking bracket 241b has a substantially double plate structure, the guard plate 24 stands up even if an attempt is made to drill a hole in the right side plate portion 2c in the vicinity of the locking bracket 241b. It is no longer possible to drill holes that reach. In addition, a hole can be formed only at a position far away from the locking bracket 241b, and even if a foreign object such as a wire is inserted from the hole, the frame plate portion 2f, the handle 25, the sub tank 28, etc. It is designed to block foreign objects. Accordingly, unauthorized operation of the opening / closing hooks 461 and 462 for unlocking the front door 4 can be prevented.

In the above-described embodiment, the periphery of the locking bracket 241b has a double plate structure. However, the present invention is not limited to this, and the periphery of the locking bracket 240a may have a double plate structure. Moreover, it is good also as a double plate structure both around the locking metal fittings 240a and 241b.
The present invention is not only applied to the slot machine, but can also be applied to, for example, a ball game machine using a box-type cabinet such as a sparrow ball or an arrangement ball.

It is a front view of a slot machine. It is the front view which showed the internal structure of the slot machine in the state which open | released the front door. It is a perspective view of the housing | casing provided with the guard plate to which this invention was applied. It is a side view inside the housing | casing in the example. It is a disassembled perspective view of the housing | casing and guard plate in the example. It is AA arrow sectional drawing in FIG. It is a perspective view inside the housing | casing for demonstrating the conventional guard plate.

Explanation of symbols

1 ... Slot machine (game machine)
2 ... Case 24 ... Guard plate 240 ... Main plate (first plate member)
240a ... Locking bracket 240b ... Extension part 241 ... Sub-plate (second plate member)
241b ... Locking bracket 4 ... Front door 46 ... Locking devices 461, 462 ... Opening / closing hook

Claims (1)

A fraudulent guard plate of a gaming machine provided with a locking bracket for locking the front door by engaging an opening / closing hook of a locking device provided on the front door, which is disposed along the opening in the housing of the gaming machine. In the operation prevention structure,
The guard plate includes a first plate member that is attached to the housing, and a second plate member that is joined to the first plate member and includes the lock receiving metal fitting. The plate member is formed with an extending portion extending toward the rear of the locking bracket, and the locking bracket is substantially aligned with a front end edge of the extending portion and is substantially centered in the front-rear direction of the second plate member A structure for preventing illegal operation of a guard plate of a gaming machine, characterized by being positioned in

Images