JP2010124861A - Pachinko game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a Pachinko game machine for reliably preventing fraudulent practice for illegally operating a start prize winning port switch with an insertion member, such as a wire, inserted in a ball discharge passage from a reservoir bowl. <P>SOLUTION: A jackpot prize winning port device 13 includes: a fraudulent practice prevention rotating body 28 freely rotatably supported around an axis parallel to a ball flow direction in a middle part of a ball discharge passage 14; and a rotary drive motor 29 for rotary-driving the fraudulent practice prevention rotating body 28. The fraudulent practice prevention rotating body 28 includes a ball passing hole 33 including a part of the ball discharge passage 14 and a crosslinking part 34 for crossing the ball passing hole 33. A fixed side crosslinking member 43 crossing a ball discharge passage 24 is provided at a neighboring part in the ball flow direction to the ball passing hole 33 and the crosslinking part 34 and, when an insertion member for the purpose of a fraudulent practice is inserted in the ball passing hole 33 of the fraudulent practice prevention rotating body 28, the crosslinking part 34 and the fixed side crosslinking member 43 grip the insertion member to disable further insertion. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a pachinko gaming machine, and more particularly, to a pachinko gaming machine having a large prize opening device provided with a fraud prevention mechanism so as to prevent an illegal act that illegally operates a start winning opening switch.

  Conventionally, a pachinko gaming machine has been provided with a start prize opening device having a start prize opening and a large prize opening device disposed below the start prize opening device and having a big prize opening. The start prize opening device is provided with a start prize opening switch including a proximity switch and the like. The game balls won in the start winning opening are detected when passing through the ball passing hole of the start winning opening switch, and based on this detection, a predetermined number of game balls are paid out to the storage tray as winning balls and won in the big win lottery. In such a case, the special prize opening device is operated to open and close the special prize opening in a predetermined pattern.

  This type of pachinko gaming machine is generally provided with a ball discharge passage on the back side of the game board for discharging the game ball from the starting prize opening device downward and discharging the game ball from the big prize opening device downward. The discharge passage is provided so as to extend downward from the start winning opening device and penetrate the large winning opening device. The game balls that have won the starting prize opening pass through the ball passing hole of the starting prize opening switch, flow down the ball discharge passage, and are discharged downward from the large prize opening device.

  By the way, conventionally, an insertion member such as an illegal wire is inserted from the storage tray into the ball discharge passage, and the tip of the insertion member is inserted into the ball passage hole of the start winning port switch, thereby causing the start winning port switch to malfunction. There has been a problem that illegal acts of illegally acquiring a prize ball have been carried out, and the pachinko hall suffered a great deal of damage due to this illegal action.

For this reason, conventionally, in order to prevent this kind of fraud, a prize winning device provided with a fraud prevention mechanism has been put to practical use.
Patent Document 1 discloses a pachinko gaming machine in which a lid member is provided at the exit of a ball discharge passage through which a game ball won at a start winning opening or a big winning opening flows down. Normally, since the lid member is held in the closed position by the biasing means, insertion of an insertion member such as a wire into the ball discharge passage can be prevented. On the other hand, at the time of winning a prize, the lid member rotates to the open position by the weight of the game ball, so the outlet of the ball discharge passage is opened.
JP 2001-145756 A

  In the pachinko gaming machine of Patent Document 1, when the lid member is rotated to the open position by the weight of the game ball and the lid member at the outlet of the ball discharge passage is opened, the insertion member is ejected by passing the lid member. Can enter the passage. Therefore, once the insertion member is inserted into the ball discharge passage, the insertion member inserted into the ball discharge passage can enter the start winning opening switch side even when the lid member is in the closed position. There is a problem that the mouth switch can malfunction.

  An object of the present invention is to provide a pachinko gaming machine that can surely prevent a fraudulent act of improperly operating a start winning port switch with an insertion member such as a wire inserted from a storage tray into a ball discharge passage.

In order to achieve the above object, the present invention employs the following configuration. The reference numerals in parentheses show an example of the correspondence relationship with the drawings in order to help understanding of the present invention, and do not limit the technical scope of the present invention.
The pachinko gaming machine according to claim 1 includes a start winning opening device (11) having a start winning opening (11a, 11b) and a start winning opening switch (11d) for detecting a winning ball won in the starting winning opening (11a, 11b). ), A large prize opening device (13) disposed below the start prize opening device (11) and having a big prize opening (25), and a game ball (P) from the start prize opening device (11). In the pachinko gaming machine (1) having a ball discharge passage (14) for discharging downward and discharging the game ball (P) from the grand prize opening device (13) downward, the special prize opening device (13) Rotating the anti-fraud rotating body (28) supported in the middle of the ball discharge passage (14) so as to be rotatable around an axis parallel or substantially parallel to the downward direction of the sphere flow, and the anti-fraud rotating body (28). A rotational drive means (29) for driving, and the anti-fraud rotating body (28) crosses the ball passage hole (33) forming a part of the ball discharge passage (14) and the ball passage hole (33). And a bridging part (34) .

  In this pachinko gaming machine (1), the rotation preventing means (29) drives the anti-fraud rotating body (28) of the special prize opening device (13) to rotate about an axis parallel or substantially parallel to the downward direction of the ball flow. Is done. When a game ball (P) wins the starting prize opening (11a, 11b), the game ball (P) flows down the ball discharge passage (14) from the starting prize opening device (11) and rotates in the middle of it. It passes through the ball passage hole (33) of the anti-fraud rotating body (28) inside and is discharged downward from the special prize opening device (13).

  When an unauthorized insertion member inserted into the ball discharge passage (14) from the outside is inserted into the ball passage hole (33) of the anti-fraud rotating body (28), the anti-fraud rotation while the insertion member is rotating Since the direction is changed by being entangled with the bridging portion (34) of the body (28), the insertion member is inserted into the start winning port switch (11d) of the starting winning port device (11) above the large winning port device (13). You can make it impossible. Thus, the anti-fraud rotating body (28) and the rotation driving means (29) constitute an anti-fraud mechanism.

  The pachinko gaming machine according to claim 2 is the pachinko gaming machine according to claim 1, wherein the anti-fraud rotating body (28) has an outer peripheral gear (35) formed on the outer peripheral portion, and the rotational drive means (29) is the outer peripheral gear. The tamper-proof rotator (28) is rotationally driven through a pinion (40) meshed with the portion (35).

  The pachinko gaming machine according to claim 3 is characterized in that, in the invention of claim 2, the ball discharge passage (14) is provided in the vicinity of the ball passage hole (33) and the bridging portion (34) upstream or downstream in the ball flow direction. A fixed cross-linking member (43) traversing is provided.

  The pachinko gaming machine according to claim 4 is the invention according to any one of claims 1 to 3, wherein the unauthorized insertion member inserted into the ball discharge passage (14) from the outside is a ball of the anti-fraud rotating body (28). When inserted into the passage hole (33), the insertion member is sandwiched between the bridging portion (34) of the anti-fraud rotating body (28) and the stationary bridging member (43), and further insertion is impossible. It is characterized by.

  The pachinko gaming machine according to claim 5 is the pachinko gaming machine according to any one of claims 1 to 4, wherein the anti-fraud rotating body (28) is an upper surface portion or a lower surface of the winning opening case (30) of the big winning opening device (13). It is characterized by being arranged in the section.

  According to the first aspect of the present invention, the prize winning opening device includes an anti-tamper rotator that is supported on the middle part of the ball discharge passage so as to be rotatable about an axis parallel to or substantially parallel to the downward direction of the ball flow. A rotation driving means for rotating the prevention rotating body, and the anti-fraud rotating body includes a ball passage hole that forms part of the ball discharge passage and a bridging portion that crosses the ball passage hole. The following effects are achieved.

  When a fraudulent insertion member inserted into the ball discharge passage from the outside is inserted into the ball passage hole of the fraud prevention rotating body, the direction of the insertion member is entangled with the bridging portion of the rotating fraud prevention rotating body. Therefore, the insertion member cannot be inserted into the start winning port switch of the starting winning port device above the large winning port device. Therefore, it is possible to reliably prevent an illegal act that causes the start winning a prize mouth switch to malfunction illegally.

  According to the invention of claim 2, the rotator for fraud prevention has an outer peripheral gear portion formed on the outer peripheral portion, and the rotation driving means rotates the rotator for fraud prevention via the pinion meshed with the outer peripheral gear portion. Since it is driven, fraudulent acts can be reliably prevented by a fraud prevention mechanism with a simple configuration.

  According to the invention of claim 3, since the fixed-side bridging member that crosses the sphere discharge passage is provided in the vicinity of the sphere passage hole and the bridging portion at the upstream side or the downstream side in the sphere flow direction. When the member is inserted into the ball passage hole of the anti-fraud rotating body, the insertion member can be held between the rotating bridging portion and the stationary bridging member so that further insertion is impossible.

  According to the invention of claim 4, when the unauthorized insertion member inserted into the ball discharge passage from the outside is inserted into the ball passage hole of the unauthorized rotation body, the bridging portion of the unauthorized rotation body. And the fixed-side bridging member sandwich the insertion member so that no further insertion is possible, so that it is possible to reliably prevent an illegal act with respect to the start winning opening switch.

  According to the invention of claim 5, since the anti-fraud rotating body is disposed on the upper surface portion or the lower surface portion of the winning hole case of the large winning hole device, the starting winning hole disposed above the winning hole case. Insertion of the insertion member into the switch can be reliably prevented.

  Hereinafter, the best mode for carrying out the present invention will be described based on examples.

Embodiments of the present invention will be described below with reference to the drawings.
As shown in FIG. 1 and FIG. 2, in the pachinko gaming machine 1 classified as the first type pachinko machine, an opening / closing frame 2 is attached to an outer frame attached to an island structure of the pachinko hall so that the opening / closing frame can be freely opened and closed. An opening / closing door 3 is attached to 2 so as to be freely opened and closed. A game board 4 is mounted on the open / close frame 2, and a game area 5 is formed on the front side of the game board 4. A window 3a is formed on the open / close door 3, and a transparent plate 3b is attached to the window 3a, and the front side of the game area 5 is covered with the transparent plate 3b. The game area 5 can be seen from the outside through the transparent plate 3b.

  A plurality of decorative lamps (frame lamps) 3c are provided at the upper part of the open / close door 3, and an effect button 9 called a so-called chance button that can be operated by the player and a game ball for launching are provided below the window 3a. A storage tray 6 for storing P and winning balls and a firing handle 7 operated by the player are mounted. When the firing handle 7 is rotated, the game ball P introduced from the storage tray 6 to the firing position is launched. Here, when there are a plurality of game balls P in the storage tray 6, for example, the plurality of game balls P are continuously fired at intervals of about 0.6 seconds. The launched game ball P is guided by the guide rail 8 and thrown into the top of the game area 5.

  As shown in FIG. 2, the game board 4 forming the vertical board surface 4a includes a number of obstacle nails 10, a start winning opening device 11, a gate 12, a big winning opening device 13, a plurality of normal winning openings 15, and an image display. A device 16 and a center accessory 17 are mounted in the game area 5, and a game display board 18 is mounted outside the game area 5.

  On the back side of the game board 4, a control device (not shown) that controls the pachinko gaming machine 1, the game ball P that has won the start winning opening 11 a, 11 b is discharged downward from the start winning apparatus 11 and also to the big winning opening 25. The winning game ball P is discharged downward from the grand prize opening device 13 to have a predetermined vertical width and a cylindrical ball discharge passage 14 (see FIG. 3), and the game ball P discharged from the ball discharge passage 14 is a prize ball. As shown, a payout mechanism (not shown) for paying out to the storage tray 6 is provided.

  The game ball P thrown into the top of the game area 5 falls while changing the direction by hitting a number of obstacle nails 10 and windmills (not shown) in the game area 5, and the start winning ports 11 a, 11 b, Either the gate 12, the big prize opening 25 of the big prize opening device 13, or the plurality of normal prize winning holes 15 is won and discharged to the outside of the game area 5, or falls to the lowermost end and the game area 5 from the out mouth 19. It is discharged outside.

As shown in FIGS. 2 to 5, the start winning a prize opening device 11 is arranged below the center accessory 17, and includes an electric tulip-type accessory provided with a pair of left and right opening and closing members called electric Chu. It is.
The start prize opening device 11 won the gate type upper start prize opening 11a, the openable lower start prize opening 11b, the opening / closing member 11c for opening and closing the lower start prize opening 11b, and the start prize openings 11a and 11b. It has a start winning port switch 11d for detecting the game ball P and driving means for opening / closing the opening / closing member 11c.

  The start winning opening device 11 is provided with a decorative plate portion 20 at the rear end portions of the start winning ports 11a and 11b, and both right and left ends of the decorative plate portion 20 are fixed to the game board 4 with fixing screws 20a. The opening / closing member 11c is composed of a pair of symmetrically shaped blade members 21a and 21b having a predetermined width in a direction orthogonal to the board surface 4a. The opening / closing member 11c is made of, for example, a synthetic resin material and light in weight in order to reduce weight and increase moment of inertia. Yes. These blade members 21a and 21b are configured to rotate about an axis orthogonal to the board surface 4a, make it impossible for the game ball P to win the lower start winning opening 11b in the closed position, and lower start win in the open position. The game ball P can be won in the mouth 11b.

A ball discharge passage 14 is provided for discharging the game ball P discharged from the start winning port device 11 downward and discharging the game ball P discharged from the big winning port device 13 downward.
The ball discharge passage 14 extends downward from the substantially winning passage apparatus 13, a substantially vertical passage 14 a in the starting winning opening apparatus 11, a substantially vertical passage 14 b extending from the starting winning opening apparatus 11 to the large winning opening apparatus 13, and the large winning opening apparatus 13. And a substantially vertical passage 14c.

  The upper end (inlet) of the passage 14a communicates with the discharge side guide passages of the start winning ports 11a and 11b, and the lower end of the passage 14a communicates with the upper end of the passage 14b. The game ball P that has flowed into the start winning ports 11a and 11b is introduced into the passage 11a through the discharge side ball guiding path of the starting winning ports 11a and 11b, and is discharged to the passage 14b.

  The start winning port switch 11d is a switch that detects the game ball P by electromagnetic induction, and is disposed in the middle of the passage 11a. The start winning port switch 11 includes a synthetic resin casing 22a in which a sphere passage hole 22b forming a part of the sphere guide passage 11a is formed, and a coil disposed on the outer peripheral side of the sphere passage hole 22b in the casing 22a. And a switch circuit (not shown) connected to the coil, and configured to detect when the game ball P passes through the ball passage hole 22b.

A solenoid actuator 23 as a driving means for opening and closing the pair of blade members 21 a and 21 b is disposed at the rear end portion of the start winning a prize opening device 11.
When the solenoid actuator 23 is energized and driven (excited state), its output shaft retreats against the biasing force of the spring member, and the pair of blade members 21a and 21b are closed in the standing posture via the coupling mechanism. It rotates from the position to the open position tilted in an inverted C shape shown in FIGS. On the other hand, when the energization of the solenoid actuator 23 is stopped (demagnetized state), the output shaft is extended by the biasing force of the spring member, and the pair of blade members 21a and 21b rotate from the open position to the closed position via the coupling mechanism. Move.

  The gate 12 is disposed on the left side of the center accessory 17, and a gate switch (not shown) for detecting the game ball P that has passed through the gate 12 is provided. When winning by a lottery triggered by the passing of the game ball P through the gate 12, the blade members 21a and 21b are normally opened and closed so as to open and close the start winning port 11b under closing.

  The game display board 18 is arranged in the lower right area of the game area 5, and is a special symbol display 18a composed of a 7-segment display, a normal symbol display 18b that can be displayed on a circle, and four special symbol hold lamps 18c. Four normal symbol holding lamps 18d are provided, and these indicators 18a to 18d have light emitting diodes (LEDs) as light emission sources. The special symbol display 18a displays the results of the lottery performed when the game balls P are won at the start winning ports 11a and 11b, and the normal symbol display 18d passes the gate 12 through the gate 12. The result of the lottery performed in response to this is displayed after the variable display.

  During the variation display of the special symbol display 18a, the number of winning balls won in the start winning openings 11a, 11b, and the number of the winning balls that have not been subjected to the variation of the special symbol is retained up to four. The special symbol hold lamp 18c displays the number of hold of the special symbol. Similarly, during the fluctuation display of the normal symbol display 18b, the number of the game balls P that have passed through the gate 12 and the number of the game balls P for which the normal symbol fluctuation has not been executed is held up to four. The normal symbol hold lamp 18d displays the number of hold of the normal symbol.

  The image display 16 includes a liquid crystal display (LCD) and is mounted in a frame-shaped center accessory 17. On the image display 16, for example, an effect design (decorative design) is displayed as shown in FIG. 2. This performance symbol is displayed for the purpose of production in order to evoke a player's sense of expectation for reach and jackpot. The player can recognize whether the special symbol stop mode of the special symbol display 18a is hit or not by seeing the stop mode of the effect symbol. In other words, the effect symbol is displayed in a variable manner in conjunction with the special symbol change display, and when the combination of the effect symbol stop symbols is displayed in a specific combination (for example, “777”), the game state is normal. The gaming state is shifted to a special profit state such as a jackpot state or a probability variation jackpot state.

Next, the special prize opening device 13 will be described in detail.
As shown in FIG. 2 to FIG. 4 and FIG. 6, the big prize opening device 13 is arranged below the starting prize opening device 11 and opens and closes around a horizontal axis parallel to the big prize opening 25 and the board surface 4a. An opening / closing member 26 to be opened, a solenoid actuator 27 as a driving means for driving to open / close the opening / closing member 26, and a big winning opening switch for detecting a game ball P which is attached to a portion in the vicinity of the big winning opening 25 and has won the big winning opening 25. (Not shown), a tamper-proof rotator 28 rotatably supported in the middle of the ball discharge passage 14, a rotation drive motor 29 (rotation drive means) that rotationally drives the tamper-proof rotator 28, A prize opening case 30 that houses a solenoid actuator 27 and a rotary drive motor 29;

  As shown in FIGS. 4, 6, and 7, the prize opening case 30 is formed of a synthetic resin material in a rectangular box shape with an open front end. A passage 14 c that forms a part of the ball discharge passage 14 is formed in the center portion of the winning opening case 30 so as to penetrate vertically from the upper surface of the winning opening case 30 in the downward direction of the ball flow. A decorative plate member 31 is disposed at the front end of the prize winning case 30.

  As shown in FIGS. 3, 4, and 6, the decorative plate member 31 is formed substantially horizontally in a front view and is fixed to the game board 4 by a plurality of fixing screws 31 a. A large winning opening 25 that is opened in a horizontally long rectangular shape when viewed from the front is formed in a portion near the upper center of the decorative plate member 31. A rectangular plate-like opening / closing member 26 is provided in a front view for opening / closing the special winning opening 25, and the opening / closing member 26 is made of a synthetic resin material to reduce the moment of inertia and increase the responsiveness of the opening / closing operation. It is configured.

  A pivot shaft (not shown) extending in parallel with the game board 4 is provided at the lower ends of the left and right end portions of the opening / closing member 26, and the distal end portion of the pivot shaft can be rotated to the bearing portion of the decorative plate member 31. By mounting, the opening / closing member 26 is configured to be switchable between a closed position in the vertical posture shown in FIG. 3 and an open position inclined forward by a predetermined angle shown in FIGS. 4 and 6. When the opening / closing member 26 is in the open position, the special winning opening 25 is in an open state, and when it is in the closed position, the special winning opening 25 is in a closed state.

As shown in FIG. 6, the solenoid actuator 27 that opens and closes the opening / closing member 26 is provided in the vicinity of the inner side of the left side wall at the rear end portion of the winning opening case 30.
When the solenoid actuator 27 is energized and driven (excited state), its output shaft retreats against the biasing force of the spring member, and the opening / closing member 26 is moved from the closed position of FIG. 6 is rotated counterclockwise about the pivot shaft at the open position. On the other hand, when the energization to the solenoid actuator 27 is stopped (demagnetized state), the output shaft of the spring member is extended by the biasing force of the spring member, and the opening / closing member 26 is moved from the open position of FIGS. It rotates in the clockwise direction around the pivot shaft at the closed position.

Next, the fraud prevention mechanism 32 will be described.
The fraud prevention mechanism 32 is a mechanism for preventing an improper insertion member inserted into the ball discharge passage 14 from the outside from entering the start winning port switch 11d.
As shown in FIGS. 4 and 6 to 8, the anti-fraud mechanism 32 includes an anti-fraud rotating body 28, an annular member 36 that holds the anti-fraud rotating body 28 in a predetermined position, and the anti-fraud rotation. A ball passage hole 33 provided in the body 28, a bridging portion 34 traversing the ball passage hole 33, a rotation driving means for rotationally driving the anti-fraud rotating body 28, and a fixing located near the upper surface of the bridging portion A side cross-linking member 43 and the like are provided.

  An annular member 36 for accommodating the anti-fraud rotating body 28 and an anti-fraud rotating body 28 are provided on the upper surface of the winning opening case 30. The anti-tamper rotator 28 is disposed below the annular member 36 at the center of the upper surface portion of the winning hole case 30 at a position corresponding to the lower end of the passage 14b and the passage 14c. The anti-tamper rotator 28 made of synthetic resin is configured to be rotatable about an axis parallel to or substantially parallel to the direction in which the ball discharge passage 14 moves downward. The ball passage hole 33 is formed so as to form a part of the ball discharge passage 14, and the bridging portion 34 is formed so as to cross the ball passage hole 33. An outer peripheral gear portion 35 is formed on the outer peripheral portion of the anti-fraud rotating body 28.

The ball passage hole 33 is a circular hole formed in a penetrating manner in the downward direction of the ball flow and communicates with the passages 14a to 14c, and the game ball P that has flowed down the passages 14a and 14b from the start winning opening device 11 is passed through the ball passage hole. Passes through 33 and flows down to the passage 14c.
The bridging portion 34 is formed integrally with the anti-tamper rotator 28 in the shape of a rod having a rectangular cross section, crosses the sphere passage hole 33 so as to pass through the center of the sphere passage hole 33, and both ends thereof are on the inner peripheral wall of the sphere passage hole 33. It is fixed. Even if the ball passage hole 33 is divided by the bridging portion 34, semicircular holes through which the game ball P can pass are formed on both sides of the bridging portion 34.

  The annular member 36 includes an annular portion 36a that covers the outer peripheral gear portion 35 of the tamper-proof rotator 28, and a cylindrical portion 36b that extends downward from the lower end of the annular portion 36a. The cylindrical portion 36 b is fitted into an engagement recess 37 formed by cutting out the winning opening case 30 in a circular shape, and the annular portion 36 a is fixed to the winning opening case 30. The circular hole inside the annular portion 36a constitutes a part of the passage 14b.

  An annular spacer 38 having the same outer diameter as that of the anti-tampering rotator 28 is provided on the upper surface portion of the prize-winning case 30 near the lower side of the anti-tampering rotator 28. The spacer 38 is made of synthetic resin, and the circular hole inside the spacer 38 forms a part of the passage 14c. The game ball P that has passed through the ball passage hole 33 flows down the passage 14c and is discharged from the special prize opening device 13 to the discharge mechanism.

  The outer peripheral portion of the spacer 38 is fixed to the inner peripheral wall of the lower end portion of the cylindrical portion 36b of the annular member 36. As shown in FIG. 7, the outer peripheral gear portion 35 of the anti-fraud rotating body 38 is annular with the spacer 38. A rotator 38 for preventing fraud is rotatably supported by a spacer 38 and an annular member 36, which is loosely fitted in an accommodation recess 39 having a U-shaped cross section formed by the member 36.

  The annular member 36 is provided with a rod-shaped fixed-side bridging member 43 having a rectangular cross section in the vicinity of the ball passage hole 33 and the bridging portion 34 on the upstream side in the ball flow direction. The fixed-side bridging member 43 is configured to cross the passage 14b through the center of the passage 14b in the ball discharge passage 14 and intersect the bridging portion 34 in a plan view shown in FIG. The improper insertion member is held between the fixed-side bridging member 43 and the rotating bridging portion 34 so that the insertion member cannot be inserted any further.

  The rotational drive means for rotationally driving the anti-fraud rotating body 28 includes an outer peripheral gear portion 35 of the anti-fraud rotating body 38, a pinion 40 meshed with the outer peripheral gear portion 35, and the pinion 40 and the outer peripheral gear portion 35. And a rotary drive motor 29. The rotation drive motor 29 is disposed in an inverted state in the rear part of the winning prize opening case 30 behind the rotator 28 for preventing fraud. The rotation drive motor 29 is a motor that can rotate forward and backward and can change the rotation speed.

  A pinion 40 made of synthetic resin is fixed to the tip of the output shaft 29a of the rotation drive motor 29. The pinion 40 is meshed with the outer peripheral gear portion 35 of the tamper-proof rotator 28 through the insertion hole 42 formed in the cylindrical portion 36 b of the annular member 36.

  The rotation drive motor 29 is electrically connected to a control device (not shown) of the pachinko gaming machine 1 and is driven and controlled by the control device. When the rotational drive motor 29 is rotationally driven, the rotational driving force is transmitted to the outer peripheral gear portion 35 of the anti-tamper rotator 28 via the pinion 40, the anti-tamper rotator 28 is rotationally driven, and the bridging portion 34 is rotated. To do.

The operational effects of the pachinko gaming machine 1 described above will be described.
When the player turns the launch handle 7, the game ball P is continuously thrown into the top of the game area 5, and hits the obstacle obstacles 10 and the windmill and falls while changing its direction. When the game ball P wins the upper start winning opening 11a or the lower starting winning opening 11b won by the lottery triggered by the passage of the gate 12 and is detected by the start winning opening switch 11d, A predetermined number of game balls P are paid out as prize balls.

  The game ball P that has won the starting prize opening 11a, 11b flows down from the starting prize opening device 11 through the passages 14a, 14b, passes through the ball passage hole 33 of the rotating anti-fraud rotating body 28, and flows down through the passage 14c. Then, it is discharged from the special prize opening device 13 to the discharge mechanism.

  When an insertion member such as an unauthorized wire is inserted from the storage tray 6 into the ball discharge passage 14 during the game, the insertion member is inserted into the ball passage hole 33 of the rotating body 28 for preventing fraud. In this case, the insertion member is sandwiched between the bridging portion 34 of the rotating member 28 for preventing fraud and the stationary bridging member 43, and further insertion is impossible. Therefore, it is possible to reliably prevent an illegal act that causes the start winning a prize opening switch 11d to malfunction.

  In addition, a fixed-side bridging member 43 that crosses the sphere discharge passage 14 is provided in the vicinity of the ball passing hole 33 and the bridging portion 34 on the upstream side in the ball flow direction, and the anti-fraud rotating body 28 is formed on the outer peripheral portion. Since the rotary drive motor 29 rotates and drives the anti-fraud rotating body 28 via the pinion 40 meshed with the outer peripheral gear portion 35, the rotation opening motor 29 is driven by the tamper-proof mechanism 32 having a simple configuration. It is possible to reliably prevent 11d fraud.

An example in which the embodiment is partially changed will be described.
1] The bridging portion 34 of the anti-fraud rotating body 28 is not limited to the arrangement position shown in the embodiment, and is arranged so as to cross the fixed-side bridging member 43 through the center of the ball passage hole 33. do it.

2] In the embodiment, the fixed-side bridging member 43 is provided in the vicinity of the ball passage hole 33 and the bridging portion 34 on the upstream side in the ball flow direction, but downstream of the ball passage hole 33 and the bridging portion 34 in the ball flow direction. You may provide in the near site | part of the side. That is, the fixed-side bridging member 43 passes through the center so as to cross the passage 14c, and both ends thereof are fixed to the inner peripheral wall of the passage 14c.

3] In the embodiment, the anti-tamper rotator 28 is disposed on the upper surface portion of the winning opening case 30, but may be disposed on the lower surface portion of the winning opening case 30. In this case, on the back side of the game board 4, a rotation drive motor 29 is disposed in the vicinity of the outside of the prize opening case 30, and the rotation drive force of the rotation drive motor 29 is transmitted to the outer peripheral gear portion 35 via the pinion 40. The

4] When an insertion member is inserted into the ball passage hole 33 of the rotator 28 for preventing fraud, it may be configured to notify that fraud is being performed. In this case, when an abnormality detection switch is provided in the vicinity of the bridging portion 34 and the fixed-side bridging member 43 of the anti-fraud rotating body 28, and the insertion member is sandwiched between the rotating bridging portion 34 and the fixed-side bridging member 43, Since the rotation operation of the anti-fraud rotating body 28 is stopped, the stop is detected by the abnormality detection switch, and the abnormality detection signal is transmitted to the control device, so that the lamp and the speaker are driven and controlled, and the lamp is lit and flashed. By outputting sound from the speaker, it is notified that fraud is being performed.

5] The fraud prevention mechanism 32 may be disposed in the vicinity of the opening formed at the lower end of the protective cover (back cover) covering the back side of the game board 4.

6] In the embodiment, the anti-tamper rotator 28 and the pinion 40 are formed of a synthetic resin material, but may be formed of a metal material.

7] In the embodiment, the present invention is applied to the pachinko gaming machine 1 classified as the first type pachinko machine. However, the present invention is applied to a second type pachinko gaming machine or a combination gaming machine (such as a sparrow ball game machine) called a blade. The present invention may be applied.
8] In addition, those skilled in the art can implement embodiments in which various modifications are added to the above-described embodiments without departing from the spirit of the present invention, and the present invention includes such modifications. is there.

1 is a schematic front view of a pachinko gaming machine according to an embodiment of the present invention. It is a front view of a game board. It is an enlarged front view of a start winning opening device and a big winning opening device. It is an expansion perspective view which shows the arrangement | positioning state of a start winning opening apparatus and a big winning opening apparatus. It is an expansion perspective view of a start prize opening device. It is an expansion perspective view of a big prize opening device. It is a side longitudinal cross-sectional view of a big prize opening device. It is a top view of a big prize opening device.

Explanation of symbols

P game ball 1 pachinko machine 11 start prize opening device 11a upper start prize opening 11b lower start prize opening
11d Start winning port switch 13 Large winning port device 14 Ball discharge passage 25 Large winning port 28 Anti-fraud rotating body 29 Rotating drive motor 30 Winning port case 33 Ball passage hole 34 Bridging portion 35 Outer peripheral gear portion 40 Pinion 43 Fixed side bridging member

Claims (5)

A start prize opening device having a start prize opening, a start prize opening switch for detecting a winning ball won in the start prize opening, and a large prize opening device disposed below the start prize opening device and having a big prize opening In the pachinko gaming machine having a ball discharge passage for discharging the game ball from the start winning opening device and discharging the game ball from the big winning port device downward,
The big prize opening device is
A tamper-proof rotator that is rotatably supported around an axis parallel to or substantially parallel to the sphere flow downward direction in the middle of the sphere discharge passage, and rotation driving means that rotationally drives the tamper-proof rotator. ,
The pachinko gaming machine, wherein the anti-fraud rotating body includes a ball passage hole that forms part of a ball discharge passage and a bridging portion that crosses the ball passage hole.   The anti-fraud rotating body has an outer peripheral gear portion formed on an outer peripheral portion, and the rotation driving means rotationally drives the anti-fraud rotating body via a pinion engaged with the outer peripheral gear portion. The pachinko gaming machine according to claim 1.   3. The pachinko game according to claim 2, wherein a fixed-side bridging member that crosses the ball discharge passage is provided in a vicinity of the ball flow direction upstream and downstream of the ball passage hole and the bridging portion. Machine.   When a fraudulent insertion member inserted into the ball discharge passage from the outside is inserted into the ball passage hole of the fraud prevention rotator, a bridging portion and a fixed-side bridging member of the fraud prevention rotator The pachinko gaming machine according to any one of claims 1 to 3, wherein the insertion member is clamped to make further insertion impossible.   The pachinko gaming machine according to any one of claims 1 to 4, wherein the anti-fraud rotating body is disposed on an upper surface portion or a lower surface portion of a winning opening case of the large winning opening device.