JP3926300B2 - Pachinko machine - Google Patents

Description

  The present invention relates to a pachinko gaming machine equipped with a variable winning device.

  In a variable winning device arranged on a game board surface of a pachinko gaming machine, a pair of left and right movable wing pieces whose base portions are pivotally supported by pivots on both the left and right sides of the ball inflow hole rise upward. 2. Description of the Related Art There is known a variable prize winning device that is configured to perform conversion control between a standing position and a tilting position that expands outward in an inverted C shape.

This type of variable prize-winning device is balanced between the inner sides of the left and right movable wing pieces when a plurality of game balls wins simultaneously when the movable wing pieces expanded in an inverted C shape return to the standing position, There is a problem that a so-called spherical bite is easily generated in which the movable blade piece cannot be rotated to the standing position. As an attempt to prevent the occurrence of such a bite, there has been proposed one in which left and right asymmetric arc-shaped depressions are provided on the inner surfaces of the left and right movable blade pieces (see Patent Document 1).
Japanese Utility Model Publication No. 7-7686

  By the way, in the conventional variable winning device, when the movable wing piece is converted into a tilted position that spreads outward in an inverted C shape, the game ball is easy to win, and is in an advantageous state for the player. Since the movable wing piece is composed of one piece on each of the left and right sides, the appeal of the advantageous state due to the expanding operation of the movable wing piece is poor, and this advantageous state cannot be strongly appealed to the player's vision was there.

  The present invention has been made to solve such a conventional problem, and makes it possible to strongly appeal to the player's visual sense of the advantageous state in which the movable wing piece has expanded outward in an inverted C shape. At the same time, it is an object of the present invention to provide a pachinko gaming machine equipped with a variable winning device that can prevent the occurrence of ball biting with a new configuration.

In the present invention, a pair of left and right movable wing pieces whose base portions are pivotally supported by a first support shaft on both the left and right sides of the sphere inflow hole expand outward in an upright position and an inverted C shape. In a pachinko gaming machine provided with a variable winning device that is controlled to be converted into a tilt position, a second support shaft is provided in the vicinity of the first support shaft, and each second support shaft is provided. The pair of left and right auxiliary wing pieces pivotally supported by the base of the base and the positional relationship of the movable wing pieces with respect to the game board surface in the front-rear direction. In contrast, the left and right auxiliary wing pieces are positioned on the rear side with respect to the movable wing piece , and the auxiliary wing piece is linked to the rotation of the movable wing piece via the linking means. When the piece is rotated to the tilting position, the auxiliary wing piece is converted to a position where the auxiliary wing piece is rotated outward beyond the rotation angle of the movable wing piece. When rotated to a position, pachinko machine, characterized by comprising a variable winning device designed to convert into a substantially matching positions viewed aileron piece from the front side of the standing position and the game board of the movable wings (Claim 1).

The linkage means includes an arc-shaped rack concentric with the first support shaft formed on the movable blade piece, and the arc formed on the base of the auxiliary blade piece concentrically with the second support shaft. A pinion meshing with the rack, and the gear ratio between the pinion and the arc-shaped rack is such that when the movable blade piece is rotated to the tilting position, the auxiliary blade piece is outside the rotation angle of the movable blade piece. When the movable wing piece is turned to the standing position, the auxiliary wing piece is converted to a position that is substantially coincident with the standing position of the movable wing piece when viewed from the front side of the game board. A set gear mechanism is proposed (claim 2).

In the present invention, as described above, the second support shafts are respectively disposed in the vicinity of the first support shafts that rotatably support the base portions of the pair of left and right movable blade pieces, A pair of left and right auxiliary wing pieces pivotally supported on their respective pivots on the support shaft, and the front and rear positional relationship with respect to the game board surface of the movable wing pieces , the left and right auxiliary wing pieces are The auxiliary wing piece is positioned on the front side with respect to the movable wing piece, the left and right side auxiliary wing pieces are positioned on the rear side with respect to the movable wing piece , and the auxiliary wing piece is linked to the rotation of the movable wing piece via the linking means. When the movable wing piece is rotated to the tilting position, the auxiliary wing piece is converted to a position that rotates outward beyond the rotation angle of the movable wing piece, and when the movable wing piece is rotated to the standing position, It is characterized in that it comprises a supplementary wing when viewed from the front side of the standing position and the game board of the movable wing variable winning device designed to convert into a substantially matching positions Since it is a pachinko gaming machine (claim 1), the auxiliary wing piece interlocking with the rotation of the movable wing piece via the linkage means is rotated when the movable wing piece is rotated to the tilting position. When the movable wing piece is rotated to the standing position, the position is converted to a position that substantially coincides with the standing position of the movable wing piece. That is, the auxiliary wing piece at a position that substantially coincides with the standing position of the movable wing piece rotates outward beyond the rotation angle of the movable wing piece when the movable wing piece rotates to the tilting position. As a result, during the operation of expanding the movable wing piece, a total of four wing pieces rotate in a flashy manner, thus improving the appeal of the advantageous state in which the movable wing piece has spread outward, and this advantageous state is improved. It can appeal to the player's vision and can enhance the pachinko game.

  In addition, when the movable wing piece rotates to the upright position, the auxiliary wing piece rotates behind the movable wing piece, and the movable wing pieces are opposed to each other in an oblique direction with their positions shifted back and forth. When the wing piece returns to the standing position, even if a plurality of game balls win simultaneously and the two game balls are arranged horizontally between the inner surfaces of the left and right movable wing pieces, Since the force acts from an oblique direction, the balance of the game balls can be broken, thereby preventing the occurrence of ball biting.

The linkage means includes a circular arc rack concentric with the first support shaft formed on the movable blade piece, and the arc shape formed concentrically with the second support shaft at the base of the auxiliary blade piece. A pinion that meshes with the rack, and the gear ratio between the pinion and the arc-shaped rack is such that when the movable blade piece is rotated to the tilting position, the auxiliary blade piece is moved outward beyond the rotation angle of the movable blade piece. When the movable wing piece is turned to the standing position, the auxiliary wing piece is set to a ratio that converts the auxiliary wing piece to a position that substantially matches the standing position of the movable wing piece when viewed from the front side of the game board. In the configuration of the gear mechanism (claim 2), the auxiliary wing piece is linked to the movable wing piece by the gear mechanism, and the auxiliary wing piece is reliably interlocked with the rotation of the movable wing piece. Can do.

  Hereinafter, an embodiment in which the present invention is applied to a first-class pachinko gaming machine will be described with reference to FIGS.

  As shown in FIG. 1, a game area 1 surrounded by a substantially circular guide rail 3 is provided on the game board surface 2 of the pachinko gaming machine 1, and is approximately at the center of the game area 4. A center case 5 is provided. The center case 5 is assembled with a symbol display device 6 composed of a liquid crystal display, a CRT display, or the like, and three special symbols A, B, and C change on the display screen 7 of the symbol display device 6. Is displayed. In addition, a normal symbol display unit 9 is provided in a partial area of the display screen 7, and two normal symbols E1 and E2 including a right symbol and a left symbol are displayed in a variable manner on the normal symbol display unit 9. . The normal symbols E1 and E2 are composed of two types of symbols “7” and “−”. When the symbol pattern where “7” stops is displayed for both the right symbol and the left symbol, The movable wing pieces 15a and 15b of the variable winning device 13 to be described later are driven to open and close.

  On the other hand, normal symbol start gates (normal symbol start regions) 12 and 12 are arranged on both the left and right sides of the center case 5, and the normal symbols provided in the normal symbol start gates 12 and 12 by the passage of the game ball. When a game ball detection signal is generated from a start switch (not shown), the normal symbols E1 and E2 of the normal symbol display section 9 fluctuate and stop after a predetermined time and display various symbol patterns. Become.

  A variable winning device 13 is provided at a position directly below the center case 5 so that the opening degree of the entrance also serving as a winning opening is changed by a pair of left and right movable blade pieces 15a and 15b. When the display result of the normal symbol display unit 9 is a predetermined hit symbol pattern, the movable blades 15a and 15b having the solenoid 26 (see FIG. 2) as a drive source are expanded outward for a predetermined time. Thus, it becomes easy for a game ball to enter the inner ball inflow hole 14. When a game ball detection signal is generated from a special symbol start switch (not shown) provided in the ball inflow hole 14 by winning a game ball, the special symbols A, B, and C are changed on the display screen 7 of the symbol display device 6. The symbol generation process to be displayed is executed. The variable winning device 13 is a main part of the present invention and will be described in detail later.

  Further, below the variable winning device 13, a large winning opening 20 having a specific area and a general area is provided, and a horizontally long opening / closing piece 21 is opened and closed in the front-rear direction by a drive source such as a solenoid (not shown). A variable winning device 22 that converts the big winning opening 20 into an open state and a closed state by controlling is provided. When the special symbols A, B, and C that are variably displayed on the display screen 7 of the symbol display device 6 are confirmed and displayed in a predetermined symbol pattern of a predetermined combination, a special game operation as a big win is executed, The piece 21 is driven to open and close in a predetermined opening and closing manner.

Next, the variable winning device 13 which is a main part of the present invention will be described.
The variable winning device 13 includes a base plate 23 attached to the game board surface 2, and a ball inflow hole 14 is formed in the approximate center of the base plate 23 as shown in FIG. Further, a cover body 24 having a front wall portion 24a and an arc-shaped lower peripheral wall portion 24b is disposed on the front surface side of the base plate 23, and the front wall portion 24a and the lower peripheral wall of the cover body 24 are disposed. The front and lower half portions of the base plate 23 are covered with the portion 24b.

  First support shafts 25a and 25b (see FIG. 4) are arranged on the back surface of the front wall portion 24a of the cover body 24 and the surface of the base plate 23 so as to be positioned on both the left and right sides of the ball inflow hole 14. . In this embodiment, as shown in FIG. 2, the right support shaft 25 a protrudes rearward from the back surface of the front wall portion 24 a of the cover body 24, and the left support shaft 25 b moves forward from the surface of the base plate 23. It has been erected towards. The bases of the pair of left and right movable blades 15a and 15b are pivotally supported by the support shafts 25a and 25b.

  In addition, operating rods 32a and 32b (see FIG. 4) project rearwardly on the back surfaces of both movable blade pieces 15a and 15b at positions offset inward from the support shafts 25a and 25b. As shown in FIG. 2, the operating rods 32 a and 32 b are connected to a plunger 33 of a solenoid 26 disposed on the back side of the base plate 23 via a link member 34, and the solenoid 26 is turned on. When the plunger 33 is retracted, the movable blade pieces 15a and 15b are expanded outwardly in an inverted C shape as shown in FIG. 3 (a) via the link member 34 that rotates about the support shaft 34 '. When the solenoid 26 is turned OFF and the plunger 33 is pushed out by the spring bias, the movable blade 15a, as shown in FIG. 15b is converted into a standing position where it rises upward.

  Further, on the back surface of the front wall portion 24a of the cover body 24 and the surface of the base plate 23, the second support shaft 35a, 35b (refer FIG. 4) is arrange | positioned. In this embodiment, as shown in FIG. 2, the right support shaft 35 a protrudes forward from the surface of the base plate 23, and the left support shaft 35 b is rearward from the back surface of the front wall portion 24 a of the cover body 24. It has been erected towards. The support shafts 35a and 35b pivotally support the base portions of the pair of left and right auxiliary blade pieces 36a and 36b. Here, the right auxiliary wing piece 36a is arranged on the back side of the right movable wing piece 15a, and the left auxiliary wing piece 36b is arranged on the front side of the left movable wing piece 15b. Thus, the auxiliary blade pieces 36a and 36b and the movable blade pieces 15a and 15b are opposed to each other in the oblique direction with their positions shifted back and forth.

  The auxiliary wing pieces 36a, 36b are linked to the rotation of the movable wing pieces 15a, 15b via the linking means 38, 38. When the movable wing pieces 15a, 15b are turned to the tilting position, the auxiliary wing pieces 36a, When the movable blade pieces 15a and 15b are rotated to the upright position when the movable blade pieces 15a and 15b are rotated to the standing position when the movable blade pieces 15a and 15b are rotated to the position where the movable blade pieces 15a and 15b are rotated outward beyond the rotation angle of the movable blade pieces 15a and 15b. The pieces 36a and 36b are provided so as to be converted into positions (see FIG. 4B) that substantially coincide with the standing positions of the movable blade pieces 15a and 15b.

  The linking means 38 are constituted by a gear mechanism. As shown in FIGS. 2 and 4, the gear mechanism includes arcuate racks 39a and 39b concentric with the first support shafts 25a and 25b formed on the movable blade pieces 15a and 15b, and auxiliary blade pieces. The pinions 40a and 40b are formed concentrically with the second support shafts 35a and 35b at the base portions 36a and 36b and mesh with the arc-shaped racks 39a and 39b. Here, as shown in FIGS. 4A and 4B, the arc-shaped racks 39a and 39b are circles formed on the movable blade pieces 15a and 15b at positions above the first support shafts 25a and 25b. It is provided in the upper peripheral edge of the arc-shaped long holes 41a, 41b in an inner tooth shape, and meshes with the upper side of the pinions 40a, 40b disposed in the arc-shaped long holes 41a, 41b. Thereby, the auxiliary wing pieces 36a and 36b are rotated in the same direction as the rotating direction of the movable wing pieces 15a and 15b. The gear ratio between the pinions 40a and 40b and the arc-shaped racks 39a and 39b is such that when the movable blade pieces 15a and 15b are rotated to the tilting position, as shown in FIG. As shown in FIG. 4 (b), when 36b is converted to a position that rotates outward beyond the rotation angle of the movable blade pieces 15a and 15b, and the movable blade pieces 15a and 15b rotate to the upright position. The auxiliary blade pieces 36a and 36b are set to a ratio that can be converted into a position that substantially matches the standing position of the movable blade pieces 15a and 15b. Here, in the illustrated example, the gear ratio between the pinions 40a and 40b and the arc-shaped racks 39a and 39b is 50: 144. Further, the rotation angle of the movable blade pieces 15a and 15b is 50 °, and the rotation angle of the auxiliary blade pieces 36a and 36b is 144 °.

  In this configuration, the auxiliary blade pieces 36a and 36b are linked to the movable blade pieces 15a and 15b by the linkage means 38 and 38 formed of a gear mechanism, and the auxiliary blade pieces 36a and 36b are rotated by the movable blade pieces 15a and 15b. It can be reliably linked to the movement. The auxiliary wing pieces 36a and 36b that are substantially coincident with the standing position of the movable wing pieces 15a and 15b are rotated when the movable wing pieces 15a and 15b are turned to the tilting position. It rotates outward as described above. As a result, when the movable wing pieces 15a and 15b are expanded, a total of four wing pieces including the two movable wing pieces 15a and 15b and the two auxiliary wing pieces 36a and 36b rotate in a flashy manner. The appeal of the advantageous state in which the movable wing pieces 15a and 15b are expanded outward is improved, and this advantageous state can be strongly appealed to the player's vision, and the interest of the pachinko game can be enhanced.

  Further, when the movable blade pieces 15a and 15b are turned to the standing position, the auxiliary blade pieces 36a and 36b are turned later than the movable blade pieces 15a and 15b, and the movable blade pieces 15a and 15b are displaced from each other back and forth. When the movable wing pieces 15a and 15b return to the standing position, the plurality of game balls win simultaneously, and the two game balls fall within the left and right movable wing pieces 15a and 15b. Even in a state of being horizontally arranged between the side surfaces, the force acts on the game ball from an oblique direction, so that the balance of the game ball can be broken, thereby preventing the occurrence of ball biting.

  In the above embodiment, the right movable wing piece 15a is disposed on the front side of the auxiliary wing piece 36a, and the left movable wing piece 15b is disposed on the back side of the auxiliary wing piece 36b. It is also possible to reverse the relationship.

It is a front view which shows the game board 1 of the pachinko game machine concerning this invention. FIG. 3 is an exploded perspective view showing a variable winning device 13. (A) is a perspective view of the variable winning device 13 showing a state where the movable blade pieces 15a, 15b are in a tilted position, and (B) is a state where the movable blade pieces 15a, 15b are in a standing position. The configuration of the movable blade pieces 15a and 15b and the auxiliary blade pieces 36a and 36b linked by the linkage means 38 is shown. (A) is the state where the movable blade pieces 15a and 15b are in the tilting position, and (B) is the movable blade piece 15a. , 15b is a longitudinal front view in a state where it is in a standing position.

Explanation of symbols

13 Variable winning device 14 Ball inflow holes 15a and 15b Movable blade pieces 25a and 25b First support shafts 35a and 35b Second support shafts 36a and 36b Auxiliary blade pieces 38 Coupling means 39a and 39b Arc-shaped racks 40a and 40b Pinions

Claims (2)

A pair of left and right movable blades whose bases are pivotally supported by the first support shaft on both the left and right sides of the sphere inflow hole are in a standing position and a tilting position in which they are expanded outward in an inverted C shape. In a pachinko gaming machine equipped with a variable winning device that is controlled for conversion,
A pair of left and right auxiliary wing pieces each having a second support shaft disposed in the vicinity of the first support shaft and pivotally supporting each base portion on the second support shaft, Position the front and rear of the movable wing pieces relative to the game board surface, with the left and right auxiliary wing pieces positioned in front of the movable wing pieces, and the left and right auxiliary wing pieces with respect to the movable wing pieces. The auxiliary wing piece is moved to the tilting position by linking the auxiliary wing piece to the rotation of the movable wing piece through the linking means, and the auxiliary wing piece is turned. When the movable wing piece is turned to the standing position, the auxiliary wing piece is converted to a position that substantially matches the standing position of the movable wing piece when viewed from the front side of the game board. A pachinko gaming machine characterized by comprising a variable winning device designed to do this. The linkage means is formed on the movable blade piece and is concentric with the first support shaft, and the arcuate rack is formed on the base of the auxiliary blade piece and concentric with the second support shaft. The gear ratio between the pinion and the arcuate rack is such that when the movable wing piece is rotated to the tilting position, the auxiliary wing piece is moved outward beyond the rotation angle of the movable wing piece. The ratio is set to convert the auxiliary wing piece to a position that substantially matches the standing position of the movable wing piece when viewed from the front side of the game board when the movable wing piece is turned to the standing position. The pachinko gaming machine according to claim 1, wherein the pachinko gaming machine is a gear mechanism.

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