JP2005329231A - Game board for pachinko game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To correctly obtain mutual attachment positions between a front side component and a rear side component. <P>SOLUTION: The positioning projection 75 of the front side component 25 is inserted into a positioning hole 41 from the front side of a planar structure 4, the attachment part 76 of the front side component 25 is inserted into a relief part 42 from the front side of the planar structure 4, the rear surface of an attachment base board 73 in the front side part 25 contacts a front surface in the circumference of the relief part 42 in the planar structure 4, the front surface 102 of the rear side component 90 contacts the rear surface of the planar structure 4, and a fixing screw 101 is fastened to the attachment part 76 of the front side component 25 by way of a screw insertion hole 98 from the rear side of the rear side component 90. Thus, the planar structure 4 is held in a before and after direction between the front side component 25 and the rear side component 90, then the front side component 25 and the rear side component 90 are attached to the planar structure 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a game board for a pachinko machine in which the mounting position between a front part arranged on the front surface of a plate-like structure and a back part arranged on the back surface of the plate-like structure is accurate.

In the pachinko machine game board, front parts such as winning parts, side lamps, center decorations, and board decorations are placed on the front of the plate-like structure, and the back side of the assembly, parts attachments, etc. on the back of the plate-like structure Parts are placed. However, since the front part is attached to the plate-like structure with a set screw from the front side of the plate-like structure, and the back-side part is a structure attached to the plate-like structure with a set screw from the back side of the plate-like structure, There is a drawback that the mounting position is shifted between the front part and the back part.
Japanese Utility Model Publication No. 6-42710

  The problem to be solved by the invention is that the mounting position of the front part and the mounting position of the back part are not aligned with each other.

  A game board of a pachinko machine according to the present invention includes a plate-like structure, a positioning portion provided on the front surface of the plate-like structure, an escape hole provided through the plate-like structure in the front-rear direction, a plate A front part disposed on the front surface of the sheet-like structure, a positioning part provided on the back surface of the front part, a mounting part provided on the back surface of the front part, and a back part disposed on the back surface of the plate-like structure A mounting part provided on the back part, the positioning part of the plate-like structure and the positioning part of the front part are fitted together, and the mounting part of the front part and the mounting part of the back part are mutually connected to the plate-like structure. The front part and the back part are attached to the plate-like structure by being connected from the back side of the back part with the fixture facing each other through the escape hole of the plate-like structure, and the plate-like structure. The positioning part provided on the front of the structure and the front of the plate-like structure Front part, positioning part provided on the back side of the front part, mounting part provided on the positioning part of the front part, back part placed on the back side of the plate-like structure, and mounting provided on the back part The positioning part of the plate-like structure and the positioning part of the front part are fitted into each other, and the mounting part of the front part and the mounting part of the back part are opposed to each other via the positioning part of the plate-like structure The main feature is that the front part and the back part are attached to the plate-like structure by being joined from the back side of the back part by the fixture.

  In the gaming board of the pachinko machine according to the present invention, the front part is positioned on the plate-like structure by fitting the positioning part and the positioning part, and the mounting part and the back-side part of the front part positioned on the plate-like structure are arranged. Since the front part and the back part are attached to the plate-like structure by connecting the mounting part to each other from the back side of the back part with a fixture, the front part and the plate-like part arranged on the front surface of the plate-like structure are attached. There exists an advantage that the attachment position between the back side components arrange | positioned on the back surface of a structure becomes accurate. In addition, since the two parts, the front part and the back part, are connected to each other by a fixture from the back side of the back part, the two parts, the front part and the back part, are attached to the plate-like structure with separate fixtures. Also, there is an advantage that the fastening work of the fixture can be reduced.

  1 to 7 show the best mode for carrying out the invention. FIG. 1 shows a cross section of a structure in which a front part and a back part of the game board 1 are attached. FIG. 2 shows the peripheral decorative structure 2 and the plate-like structure 4 in an exploded view from the front side. FIG. 3 is an exploded view of the front part and the plate-like structure 4 from the back side. 4 and 5 show the process of attaching the front part and the back part to the game board 1 from the back side. FIG. 6 shows a case where the gaming board 1 is attached to the gaming machine frame 110 of the pachinko machine, exploded from the front side. FIG. 7 shows the relationship among the game board 1 of the pachinko machine, the projection device 130, and the game machine frame 110. In this specification, the directions of “front”, “rear”, “back”, “left”, “right”, “upper”, “lower” indicate that the gaming board 1 and the gaming machine frame 110 are in the state shown in FIG. It is the direction specified when placed and viewed from the front side indicated by arrow A. “Back” and “back” are in the same direction.

  The structure of the front side of the game board 1 in the pachinko machine will be described with reference to FIG. The game board 1 includes a peripheral ornament structure 2 and a plate-like structure 4. The peripheral ornament structure 2 has a rectangular outer shape made of a colored synthetic resin having a light-shielding property that forms a non-game area, and includes a mounting portion 5, a round window 6, a ball launch passage 7, an outer guide rail 8, and an inner guide. A rail 9, an outer peripheral edge portion 10, a peripheral decoration portion 11, a return ball prevention valve 12, a ball repelling body 13, a certificate stand 14, and a fraud prevention band 15 are provided. The mounting portion 5 is for fixing the gaming board 1 to the gaming machine frame 110 shown in FIG. 6 and is formed in a form including a lock insertion hole 16 from a synthetic resin of a material different from that of the peripheral decoration structure 2, Attached to the upper and lower corners located on the right side of the peripheral ornament structure 2 from the back side of the peripheral ornament structure 2 with a set screw such as a tapping screw (not shown).

  The round window 6, the inner guide rail 9, and the outer peripheral edge 10 are formed together with the peripheral ornament structure 2 when the peripheral ornament structure 2 is formed of synthetic resin. The round window 6 penetrates in the front-rear direction in the center of the peripheral ornament structure 2. The ball launch passage 7 has a vertically long shape along the left side of the round window 6. The outer guide rail 8 has a strip shape made of a metal such as stainless steel, and has an arc shape that protrudes upward from the left side portion of the ball launch passage 7 along the upper arc-shaped edge of the round window 6. The peripheral ornament structure 2 is attached so as to protrude forward from the front surface of the structure 2. The inner guide rail 9 has an arc shape that protrudes downward along the lower arc-shaped edge of the round window 6 from the right side portion of the ball launch passage 7 and projects forward from the front surface of the peripheral ornament structure 2. The outer peripheral edge 10 is connected to the inner guide rail 9 so as to protrude from the inner guide rail 9 to the inside of the round window 6 so as to surround the outer opening 17 at the lowermost portion of the lower arc-shaped edge of the inner guide rail 9. The out port 17 is a portion for discharging the ball from the front side to the back side of the game board 1.

  The peripheral decoration part 11 is a design part connected to the outside from the inner guide rail 9. The cardboard stand 14 is made of a synthetic resin made of a material different from that of the peripheral ornament structure 2 and is attached to the lower part on the right side of the peripheral ornament structure 2 so as to be openable and closable in the front-rear direction by an axis not shown. The card holder 14 is opened forward about a hinge shaft (not shown) that constitutes a connecting portion with the peripheral ornament structure 2 so that the lower mounting portion 5 can be seen from the front side of the peripheral ornament structure 2. Become. Then, the certificate stand 14 is closed rearward with the axis as the center, and the certificate stand 14 is received by the certificate stand receiving portion 18 of the peripheral ornament structure 2, so that the mounting portion 5 is covered with the certificate stand 14. And cannot be seen from the front side of the surrounding ornament structure 2. The stamp stand receiving portion 18 is formed together with the peripheral ornament structure 2 when the peripheral ornament structure 2 is formed of synthetic resin. On the front face of the closed certificate stand 14, a certificate stamp (not shown) is attached. The certificate stamp proves that the game board 1 has been inspected and approved for sale.

  The return ball prevention valve 12 is a leaf spring formed of a thin strip-shaped stainless steel or an elastic body that is thinner than the outer guide rail 8. When one end of the return ball prevention valve 12 is attached to the end located at the ball outlet of the ball launch passage 7 of the inner guide rail 9 in the peripheral decoration structure 2, the return ball prevention valve 12 is connected to the inner guide rail 9. From the exit of the ball launch passage 7 toward the game area 3 side as it goes from the tip to the tip portion located in the direction of the outer guide rail 8. The tip of the return ball prevention valve 12 may be in contact with or close to the inner surface of the outer guide rail 8 on the game area 3 side. The degree of contact is such that a gap smaller than the diameter of one sphere exists between the tip of the return ball prevention valve 12 and the inner surface of the outer guide rail 8, and the inner surface of the outer guide rail 8 from the game area 3. The sphere that goes back to the sphere launching passage 7 along the sphere may be in a range in which it cannot pass between the tip of the return ball prevention valve 12 and the inner side surface of the outer guide rail 8 without being caught.

  The ball launched from the ball launching mechanism 124 (see FIG. 6) pushes the return ball prevention valve 12 open from the ball launch passage 7 so that the tip of the return ball prevention valve 12 is separated from the outer guide rail 8. The return ball prevention valve 12 is elastically deformed as a whole toward the game area 3 on the basis of one end portion attached to the inner guide rail 9 of the return ball prevention valve 12. Then, the ball that pushes open the return ball prevention valve 12 moves away from the return ball prevention valve 12 toward the game area 3, so that the tip of the return ball prevention valve 12 returns so as to approach the outer guide rail 8. The ball prevention valve 12 is restored to the form shown in FIG. 2 as a whole. Thus, when the return ball prevention valve 12 is restored, when the ball launched from the ball launch path 7 to the game area 3 is retreated from the game area 3 to the ball launch path 7 side, Colliding with the return ball prevention valve 12, the return ball prevention valve 12 prevents the ball from being taken into the ball launch passage 7 from the game area 3 and rebounds to the game area 3.

  The ball repulsion body 13 is an impact absorber made of rubber or synthetic resin, and is attached to the end of the peripheral decoration portion 11 connected to the round window 6 from the back surface of the peripheral decoration structure 2. The tip of the body 13 protrudes into the round window 6. Then, when a ball launched along the outer guide rail 8 from the ball launching passage 7 collides with the tip of the ball repelling body 13 protruding into the round window 6, the ball repelling body 13 collides with the round window. Bounce back toward the center of the game area 3 surrounded by 6. The fraud prevention band 15 is formed of a synthetic resin made of a material different from that of the peripheral ornament structure 2, and is attached to a lower portion of the peripheral ornament structure 2 in a shape extending in the left-right direction. When the panel frame 126 shown in FIG. 6 is closed, the fraud prevention band 15 comes into contact with the inner side surface (the surface located on the game board 1 side) of the front panel 127 made of glass shown in FIG. A player moves an illegal operation member such as a piano wire or a synthetic resin strip from the front side of the gaming machine frame 110 shown in FIG. 6 below the gaming area 3 through a gap between front component parts of the gaming machine frame 110. When trying to insert into the game area 3, the tamper-proof band 15 that contacts the inner surface of the front panel 127 receives the tampering member and prevents the tampering member from entering the gaming area 3.

  The plate-like structure 4 has a rectangular outer shape made of a synthetic resin having colorless light permeability, which forms a game area 3 surrounded by a round window 6 excluding the ball launch passage 7 of the peripheral ornament structure 2. On the front surface of the plate-like structure 4, front parts as game parts such as a center ornament 21, a general prize part 22, an operation prize part 23, a start prize part 24, a variable prize part 25, a game nail 26, a windmill 29, etc. Located in the game area 3 and attached. The general winning component 22 is a take-in type that takes a ball from the game area 3 and discharges the taken ball to the back side of the game area 3. The left and right general winning components 22 are given the same reference numerals, but the shape of the left general winning component 22 and the shape of the right general winning component 22 are symmetrical. The action winning component 23 is a passing type in which a ball is taken from the game area 3 and discharged to the game area 3 without being taken into the back side of the game area 3. The left and right operation winning components 23 are denoted by the same reference numerals, but the shape of the left operation winning component 23 and the shape of the right operation winning component 23 are symmetrical.

  The starting prize-winning component 24 has a structure called an electric tulip that opens and closes the pair of blades 27 in the left-right direction with a starting drive mechanism 67 shown in FIG. The start winning component 24 is a take-in type that takes a ball from the game area 3 and discharges the taken ball to the back side of the game area 3. Even when closed, the pair of left and right blades 27 of the start winning component 24 can be applied in either a form capable of accepting a ball or a form not accepting a ball. The variable winning component 25 has a structure called an attacker or a large winning opening that opens and closes the opening / closing body 28 in the front-rear direction by the variable drive mechanism 77 shown in FIG. The opening / closing body 28 assumes a forward leaning posture when opened forward and a vertical posture when closed. While the opening / closing body 28 is opened, the balls taken into the variable winning component 25 through the opening of the variable winning component 25 by opening the opening / closing body 28 from above the mounting base 73 are discharged to the back side of the game board 1. Therefore, the variable winning component 25 is a take-in type. The windmill 29 is rotatably attached to the plate-like structure 4 when a shaft 30 such as a headed nail is driven into the game area 3 of the plate-like structure 4. In the lower part of the peripheral ornament structure 2, an out ball escape portion 31 is provided at a position directly below the variable winning component 25 as a notch that is recessed from the lower end surface of the peripheral ornament structure 2 and penetrates in the front-rear direction. . A relief portion 32 is provided above and below one side of the plate-like structure 4. The escape portion 32 is a portion that escapes from the base 119 when the gaming board 1 shown in FIG. 6 is attached to the gaming machine frame 110. Attachment portions 33 are provided at the four corners of the plate-like structure 4. The attachment portion 33 is a through hole in the front-rear direction of the plate-like structure 4. The plate-like structure 4 including the center ornament 21, the general prize component 22, the operation prize component 23, the start prize component 24, the variable prize component 25, and the game nail 26 is formed from the back side of the peripheral ornament structure 2 to the peripheral ornament structure. A set screw such as a tapping screw (not shown) that is superimposed on the body 2 is fastened to the peripheral decorative structure 2 from the back side of the plate-like structure 4 via the attachment portion 33, whereby the plate-like structure 4. And the peripheral decoration structure 2 are combined with each other to form a game board 1 having the form shown in FIG. Although only one game nail 26 is shown in FIG. 2, a large number of game nails 26 are used in the game board 1 that is practically used in a pachinko machine.

  Referring to FIG. 3, the plate-like structure 4, the center decoration 21, the right general winning component 22, the right working winning component 23, the starting winning component 24, the variable winning component 25, the game nail 26, and the back side of the right windmill 29. The structure of will be described. In the middle of the left and right side portions of the plate-like structure 4 in the vertical direction, a relief portion 34 and an attachment portion 35 for the operation winning component 23 are provided. The escape portion 34 is a portion formed as a through hole in the front-rear direction in the plate-like structure 4 in order to escape the wiring hole 60 of the operation winning component 23. The attachment portion 35 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to attach the action winning component 23 to the plate-like structure 4. A positioning portion 36 and an attachment portion 37 for the center ornament 21 are provided at the center of the plate-like structure 4. The positioning portion 36 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to determine the attachment position of the center ornament 21 to the plate-like structure 4. The attachment portion 37 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to attach the center ornament 21 to the plate-like structure 4. An attachment portion 38 for the windmill 29 is provided below the attachment portion 37 of the plate-like structure 4. The attachment portion 38 is a portion formed as a dead end hole that is recessed from the front surface to the inside in order to attach the shaft 30 of the windmill 29 to the plate-like structure 4. Below the attachment portion 38 of the plate-like structure 4, a relief portion 39 and an attachment portion 40 for the start winning component 24 are provided. The escape portion 39 is a portion formed in the plate-like structure 4 as a through hole in the front-rear direction so as to escape the start drive mechanism 67, the start winning ball detector 70 and the ball discharge hole portion 68 of the start winning component 24. . The attachment portion 40 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to attach the start winning component 24 to the plate-like structure 4. A positioning portion 41 and a relief portion 42 for the variable prize component 25 are provided below the relief portion 39 of the plate-like structure 4. The positioning portion 41 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to determine the attachment position of the variable prize component 25 to the plate-like structure 4. The escape portion 42 is a portion formed as a through-hole in the front-rear direction in the plate-like structure 4 in order to escape the ball sorting portion 74 and the variable drive mechanism 77 of the variable winning component 25. A relief portion 43 and an attachment portion 44 for the general winning component 22 are provided on the left and right sides of both the relief portion 39 and the relief portion 42 of the plate-like structure 4. The escape portion 43 is a portion formed in the plate-like structure 4 as a through hole in the front-rear direction in order to escape the ball discharge hole portion 53 and the general winning ball detector 54 of the general winning component 22. The attachment portion 44 is a portion formed as a through hole in the front-rear direction in the plate-like structure 4 in order to attach the general winning component 22 to the plate-like structure 4. The relief portions 32; 34 are notches that are recessed inward from the side surface of the plate-like structure 4 and open in the front-rear direction of the plate-like structure 4. In the plate-like structure 4, an attachment portion (not shown) for attaching a large number of game nails 26 shown in FIG. 2 is formed as a dead end hole recessed from the front surface of the plate-like structure 4 to the inside.

  A positioning portion 45 and an attachment portion 46 are provided on the back surface of the center ornament 21. The positioning portion 45 is formed as a protrusion protruding from the back surface of the center ornament 21 to the back side in order to determine the attachment position of the center ornament 21 to the plate-like structure 4. The attaching portion 46 is formed as a dead end hole that is recessed from the back surface of the center ornament 21, and does not penetrate the front surface of the center ornament 21. The mounting base 50 for the general winning component 22 is a size for closing the escape portion 43 and is a portion for mounting the general winning component 22 to the plate-like structure 4. The back surface of the mounting base 50 is overlapped with the front surface around the relief portion 43 in the plate-like structure 4. On the front surface of the mounting base 50, a pocket-shaped general winning hole 51 for guiding a ball taken from above to the back of the mounting base 50 protrudes from the front of the mounting base 50 to the front side. A mounting portion 52 and a ball discharge hole portion 53 are provided on the back surface of the mounting base 50. The attachment portion 52 protrudes in a cylindrical shape from the back surface of the attachment base 50 to the back side. The ball discharge hole 53 discharges the ball guided from the general winning hole 51 to the back surface of the mounting base 50 to the rear side of the plate-like structure 4. Above the ball discharge hole 53, there is provided a general winning ball detector 54 that detects a ball won in the general winning hole 51 and outputs a general winning signal. A wiring 55 for outputting a general winning signal is provided at the rear end portion protruding from the mounting base 50 of the general winning ball detector 54 to the back side.

  The mounting base 57 for the operation winning component 23 is a size for closing the escape portion 34 and is a portion for mounting the operation winning component 23 to the plate-like structure 4. The back surface of the mounting base 57 is brought into contact with and overlapped with the front surface around the relief portion 34 in the plate-like structure 4. On the front surface of the mounting base 57, there is a gate-shaped operation winning hole 58 that discharges a ball taken from above the front of the mounting base 57 to the lower part of the front of the mounting base 57 without discharging it to the back side of the mounting base 57. Projecting from the front surface of the mounting base 57 to the front side. At one side portion of the mounting base 57 in the left-right direction, a mounting portion 59 projects in a cylindrical shape from the back surface of the mounting base 57 to the back side. On the other side of the mounting base 57 in the left-right direction, a wiring hole 60 is provided so as to penetrate the mounting base 57 in the front-rear direction. The wiring hole 60 is connected with a wiring 61 connected to output an operation winning signal to an operation winning ball detector (not shown) provided inside the operation winning hole 58.

  The mounting base 63 of the start winning component 24 is a size for closing the escape portion 39 and is a portion for mounting the start winning component 24 to the plate-like structure 4. The back surface of the mounting base 63 is overlapped in contact with the front surface around the relief portion 39 in the plate-like structure 4. A protective frame 64 and a start winning hole portion 65 are provided on the front surface of the mounting base 63. The protection frame 64 protects the blades 27 by being positioned above the blades 27 so that the balls do not hit the blades 27 directly. It is a gate shape which discharges to the lower part of the front surface of the mounting base 63 without discharging to the bottom. The start winning hole portion 65 has a pocket shape that is positioned below the blades 27 and takes a sphere passing between the blades 27 from above the front surface of the mounting base 63 and guides it to the back surface of the mounting base 50. An attachment portion 66, a starting drive mechanism 67, and a ball discharge hole portion 68 are provided on the back surface of the attachment base 63. The mounting portion 66 protrudes in a cylindrical shape from the back surface of the mounting base 63 to the back side. The starting drive mechanism 67 is a mechanism for driving the blades 27 and includes a wiring 69 on the back side. Between the start driving mechanism 67 and the ball discharge hole 68, a start winning ball detector 70 is provided that detects a ball that has won the start winning hole 65 and outputs a start winning signal. A wiring 71 for outputting a start winning signal is provided at the rear end portion protruding from the mounting base 63 of the starting winning ball detector 70 to the back side. The ball discharge hole 68 discharges the ball guided from the start winning hole 65 to the back surface of the mounting base 63 to the rear side of the plate-like structure 4.

  The mounting base 73 for the variable winning component 25 is a portion that closes the escape portion 42 and is a portion for mounting the variable winning component 25 to the plate-like structure 4. The rear surface of the mounting base 73 is brought into contact with and overlapped with the front surface around the relief portion 42 in the plate-like structure 4. On the back surface of the mounting base 73, a ball distribution unit 74, a positioning unit 75, a mounting unit 76, and a variable drive mechanism 77 are provided. The ball allocating portion 74 is located at the center of the mounting base 73, protrudes in a box shape from the back side to the back side of the mounting base 73, and opens the opening / closing body 28 from above the mounting base 73 while the opening / closing body 28 shown in FIG. A ball that is discharged to the back side of the mounting base 73 from the opening that is opened in the mounting base 73 by opening is taken into either a normal winning ball detector 79 called a count switch or a special winning ball detector 81 called a V switch. Distribute. The balls that have passed through the normal winning ball detector 79 or the special winning ball detector 81 are discharged to the back side of the plate-like structure 4. The positioning portion 75 is formed as a protrusion that protrudes from the back surface of the mounting base 73 to the back side in order to determine the mounting position of the variable winning component 25 to the plate-like structure 4. The attachment portion 76 protrudes left and right from the rear portion of the ball distribution portion 74 and is provided in a form that penetrates through the attachment portion 76 before and after the attachment portion 76 for fastening the set screw 101. The variable drive mechanism 77 is a mechanism for driving the opening / closing body 28, and includes a variable drive source such as an electromagnetic solenoid, a connection mechanism for connecting the output body such as a plunger in the variable drive source and the opening / closing body 28, and a variable. A wiring 78 for supplying power to the drive source is provided. The variable drive mechanism 77 is located on the outer side of the ball sorting part 74 and is provided on the back surface of the mounting base 73. A wiring 80 for outputting a normal winning signal is provided at the rear end portion of the normal winning ball detector 79 which protrudes from the ball sorting unit 74 to the back side. A wiring 82 for outputting a special winning signal is provided at the rear end portion of the special winning ball detector 81 which protrudes from the ball sorting unit 74 to the back side.

  The shield 85 hides the starting drive mechanism 67, which is a back projecting portion protruding from the plate-like structure 4 of the start winning component 24, from the front side of the start winning component 24 through the plate-like structure 4. For example, it is made of a black synthetic resin having a light shielding property. The shield 85 has an outer shape with a size corresponding to an upper portion of the mounting base 63 between the mounting portions 66 of the start winning component 24 and includes an opening 86 at the center. The opening 86 has a shape that covers the periphery of the start drive mechanism 67 by taking in the start drive mechanism 67. On both sides of the shield 85, mounting portions 87 are provided in a shape protruding forward from both sides of the shield 85. Screw insertion holes 87a are provided as through holes in the front-rear direction on both side portions of the shield 85 and the attachment portion 87. The ball guide body 90 is also called a set plate or a collecting bowl, and has a hollow opened forward, and is attached to the back surface of the plate-like structure 4, so that it is a general winning component with the back surface of the plate-like structure 4. 22, start winning component 24, variable winning component 25, passage for guiding and discharging the ball discharged from the outlet 17 shown in FIG. 2 to the back side of the plate-like structure 4 via the out ball escape portion 31. A ball discharge port 91 for discharging the ball downward in the center of the lower wall, a general winning component cover 92 on the left and right, and a plurality of windows 93; 94 in the center of the back wall. 95, and a start winning cover 96 in the center of the upper wall. The back wall located between the window 93 and the window 94 and between the window 94 and the window 95 is formed as a mounting portion 97 to which the ball guide body 90 is attached. A screw insertion hole 98 is formed in the attachment portion 97 as a through hole in the front-rear direction for inserting a screw portion formed by a male screw of the set screw 101. When the ball guide body 90 is attached to the plate-like structure 4, the normal winning ball detector 79 and the special winning ball detector 81 protrude from the window 94 to the back side of the ball guide body 90, and the variable winning component 25 is variably driven. A mechanism 77 faces the window 95.

  The center ornament 21, the general winning component 22, the operating winning component 23, the starting winning component 24, the game nail 26, and the windmill 29 are attached to the plate-like structure 4 as follows. The positioning part 45 of the center ornament 21 is fitted into the positioning part 36 from the front side of the plate-like structure 4, and a set screw such as a tapping screw (not shown) is passed through the attachment part 37 from the back side of the plate-like structure 4. By being fastened to the attachment portion 46 of the ornament 21, the back surface of the center ornament 21 comes into contact with the front surface of the plate-like structure 4, and the center ornament 21 is attached to the plate-like structure 4. The ball discharging hole 53 of the general winning component 22, the general winning ball detector 54 and the wiring 55 are inserted into the relief portion 43 from the front side of the plate-like structure 4, and the mounting portion 52 of the general winning component 22 is the plate-like structure 4. A set screw such as a tapping screw as a fixing tool (not shown) is fastened to the mounting portion 52 of the general winning component 22 via the mounting portion 44 from the back side of the plate-like structure 4. As a result, the back surface of the mounting base 50 of the general winning component 22 comes into contact with the front surface of the plate-like structure 4, and the general winning component 22 is attached to the plate-like structure 4. The wiring 61 of the operation winning component 23 is inserted into the relief portion 34 of the plate-like structure 4, and the attachment portion 59 of the operation winning component 23 is inserted into the attachment portion 35 from the front side of the plate-like structure 4. A set screw such as a tapping screw is fastened from the back side of the plate-like structure 4 to the attachment portion 59 of the operation prize component 23 via the attachment portion 44, whereby the back surface of the attachment base 57 of the operation prize component 23. Comes into contact with the front surface of the plate-like structure 4, and the operation winning component 23 is attached to the plate-like structure 4. The start drive mechanism 67 of the start winning component 24, the start winning ball detector 70, and the ball discharge hole 68 are inserted into the relief portion 39 from the front side of the plate-like structure 4, and the mounting portion 66 of the start winning component 24 is the plate-like structure. The mounting portion 87 of the shield 85 is inserted into the mounting portion 44 from the back side of the plate-like structure 4 while the set screw 100 such as a tapping screw as a fixture is inserted into the mounting portion 44 from the front side of the body 4. The back surface of the mounting base 63 of the start winning component 24 is fixed to the mounting portion 66 of the starting winning component 24 from the back side of the plate-like structure 4 via the mounting hole 87a in the mounting portion 87 of the shield 85. The front surface of the plate-like structure 4 is in contact with the front surface of the shield 85, and the back surface of the plate-like structure 4 is in contact with the start winning component 24 and the shield 85. The game nail 26 is attached to the plate-like structure 4 by being driven from the front side of the plate-like structure 4 into an attachment hole (not shown) with a nail driver (not shown). The windmill 29 is attached to the plate-like structure 4 by driving the shaft 30 of the windmill 29 into the attachment portion 38 from the front side of the plate-like structure 4. The windmill 29 rotates around the axis 30 when the ball collides.

  With reference to FIG. 4 and FIG. 5, the case where the front side component which is the variable winning component 25 and the back side component which is the ball guide body 90 are attached to the plate-like structure 4 will be described. As shown in FIG. 4, the ball distribution portion 74, the attachment portion 76, and the variable drive mechanism 77 of the variable winning component 25 are inserted into the relief portion 42 from the front side of the plate-like structure 4, and the positioning portion 75 of the variable winning component 25. Is inserted into the positioning portion 41 from the front side of the plate-like structure 4, the variable winning component 25 is positioned on the plate-like structure 4, and the back surface of the mounting base 73 of the variable winning component 25 contacts the front surface of the plate-like structure 4. Then, the mounting base 73 covers the relief portion 42 so as not to be seen from the front side. Thereafter, as shown in FIG. 5, when the ball guide body 90 is placed on the back side of the plate-like structure 4, the wiring 78 of the variable drive mechanism 77 is drawn out from the window 95 to the back side of the ball guide body 90, and the normal winning ball The wiring 80 of the detector 79 and the wiring 82 of the special winning ball detector 81 are drawn out from the window 94 to the back side of the spherical guide 90, and the front surface 102 of the spherical guide 90 is around the relief portion 42 in the plate-like structure 4. Touch the back side. The ball guide body 90 is attached to the plate-like structure 4 by fastening the set screw 101 from the screw insertion hole 98 of the ball guide body 90 to the attachment hole 76a of the attachment portion 76 in the variable prize component 25. The set screw 101 and the mounting hole 76a constitute a fixture that couples the mounting portion 76 of the variable prize component 25 and the mounting portion 97 of the ball guide 90 to each other.

  According to the best mode, as shown in FIG. 1, the variable prize component 25 as the front part is positioned on the plate-like structure 4 by the fitting of the positioning portion 75 and the positioning portion 41, and the ball guide body 90 is stopped. Since the screw 101 is fixed to the variable winning component 25 positioned on the plate-like structure 4 by fastening to the mounting portion 76, the variable winning component 25 and the ball guide 90 are made of a light-transmitting synthetic resin. The plate-like structure 4 is sandwiched from the front and rear direction, and a variable winning component 25 that is a front part arranged on the front surface of the game board 1 and a ball guide body 90 that is a back side part arranged on the back surface of the game board 1. There is an advantage that the mounting position between each other becomes accurate. In addition, since the two components of the variable winning component 25 and the ball guide 90 are coupled to each other by the set screw 101, the two components of the variable winning component 25 and the ball guide 90 are connected to each other by separate set screws. There is an advantage that the number of set screws 101 used can be reduced and screw fastening work by the set screws 101 can be reduced rather than being attached to the body 4.

  A pachinko machine using the game board 1 will be described with reference to FIG. The screen 134 of the projection device 130 is accommodated in the central opening 112 from the back side of the movable frame 111 in the gaming machine frame 110, and the front surface of the screen 134 is flush with the front surface of the back wall of the board housing chamber 113 in the gaming machine frame 110. Located in. Then, the projection device 130 is attached to the movable frame 111 by attaching the projection device 130 to the back surface of the back wall of the board housing structure 114 in the gaming machine frame 110. Further, the game area 3 of the game board 1 is directed to the front side, the game board 1 is inserted into the board storage chamber 113 from the front side of the game machine frame 110, and the lower part of the game board 1 is above the board shelf 115 in the game machine frame 110. The left side of the gaming board 1 is sandwiched from the front and rear directions by the board receiving part 116 and the board pressing part 117 of the gaming machine frame 110, and then the right side of the gaming board 1 is pushed rearward, In a state where the lock operation body 120 of the board lock mechanism 118 in the frame 110 is inserted from the rear side into the lock insertion hole 16 of the mounting portion 5 of the game board 1 and protrudes to the front side, the operator moves the lock operation body 120 in the right direction, for example. 90 degrees, the back surface of the mounting portion 5 around the lock insertion hole 16 comes into contact with the front surface of the base 119 of the panel lock mechanism 118, and the back surface of the lock operating body 120 is attached to the mounting portion 5 around the lock insertion hole 16. Front of Contact, the game board 1 is attached to the movable frame 111. When the game board 1 is attached to the movable frame 111, the general winning component 22, the starting winning component 24, and the variable winning component 25 face the front wall 138 located below the screen 134 in the projection device 130. After the gaming board 1 is attached, the movable frame 111 is closed, and the front ball tray structure 121 in the gaming machine frame 110 is closed.

  In this state, when the player operates the ball launching operation mechanism 123 on the front surface of the gaming machine frame 110 in a state where the ball is put in the ball storage unit 122 of the ball tray structure 121, the ball launching mechanism of the gaming machine frame 110. 124 launches the balls supplied from the ball storage unit 122 one by one into the game area 3 of the game board 1 with a firing force corresponding to the operation amount of the ball launch operation mechanism 123. The ball launched into the game area 3 can be changed in flow by the center decoration 21, the game nail 26, or the windmill 29, and wins the general winning component 22, the operating winning component 23, or the starting winning component 24. The general winning ball detector 54 shown in FIG. 3 outputs a general winning signal to a control device (not shown) when a ball is awarded to the general winning component 22, and an operating prize (not shown) is obtained when the ball is awarded to the working winning component 23. The ball detector outputs an operation winning signal to the control device, and the starting winning ball detector 70 in FIG. 3 outputs a start winning signal to the control device by winning the ball to the start winning component 24.

  The control device controls the projection device 130 to display a normal symbol game while performing a lottery drawing for the normal symbol game by inputting the operation winning signal. The projection device 130 variably displays a plurality of normal symbols on the screen 134 in response to the start of control from the control device, and then stops and displays the normal symbols reflecting the winning lottery for the normal symbol game on the screen 134. In the case where the winning lottery for the normal symbol game is unsuccessful, a single normal symbol or a combination of a plurality of normal symbols set in the control device as a failure is stopped and displayed on the screen 134, and the above-mentioned one operation winning signal by the control device is displayed. Ends the control associated with the input. When the winning lottery for the normal symbol game is a win, after the single normal symbol or a combination of a plurality of normal symbols set in the control device as a win is stopped and displayed on the screen 134, the control device starts the driving shown in FIG. The mechanism 67 is driven, and the blade 27 of FIG. 3 in the start winning component 24 is opened and closed, and the control accompanying the input of the one operation winning signal by the control device is finished.

  The control device controls the projection device 130 to display a special symbol game while performing a lottery for the special symbol game by inputting the start winning signal. The projection device 130 variably displays a plurality of special symbols on the screen 134 with the start of control from the control device, and then stops and displays the special symbols reflecting the winning lottery with respect to the special symbol game on the screen 134. If the special symbol game is not successful, a single special symbol or a combination of a plurality of special symbols set in the control device as a failure is stopped and displayed on the screen 134, and the one start winning signal by the control device is displayed. Ends the control associated with the input. When the winning lottery for the special symbol game is a win, after the single special symbol or a combination of a plurality of special symbols set in the control device as a win is stopped and displayed on the screen 134, the control device performs the variable drive of FIG. The mechanism 77 is driven, and the opening / closing body 28 of the variable winning component 25 is opened / closed, and the control accompanying the input of the one operation winning signal by the control device is finished. While the opening / closing body 28 is opened, the ball from the game area 3 wins the variable winning component 25. As a result of the winning of the ball to the variable winning component 25, the normal winning ball detector 79 in FIG. 3 outputs a normal winning signal to the control device, and the special winning ball detector 80 in FIG. 3 sends the special winning signal to the control device. Output.

  The normal symbols and special symbols are displayed on portions of the screen 134 other than those covered with the center ornament 21, the general winning component 22, the operating winning component 23, the starting winning component 24, the game nail 26, and the windmill 29. In accordance with the winning of the ball to the components such as the general winning component 22, the operating winning component 23, the starting winning component 24, and the variable winning component 25, the general winning signal, the operating winning signal, the starting winning signal, and the normal winning signal are sent to the control device. Each time an input is made, the control device controls the payout mechanism 125 provided on the back side of the gaming machine frame 110. As a result, the payout mechanism 125 pays out a ball as a winning ball as a result of each winning prize from the tank 128 on the back side of the gaming machine frame 110 to the ball storage portion 122 on the front side of the gaming machine frame 110.

  With reference to FIG. 7, a pachinko machine in which the gaming board 1 and the projection device 130 are incorporated in the gaming machine frame 110 will be described. The projection device 130 is formed as a single structure called a unit in which a projector 132, a reflecting mirror 133, and a screen 134 are assembled to a box-shaped device casing 131 made of light-shielding synthetic resin and opened to the front side. A liquid crystal display 137 of the projector 132 electrically displays an image, and a projection light source 136 such as an LED of the projector 132 electrically irradiates the liquid crystal display 137 on which the image is displayed, and the projection is performed. The light L is magnified by the projection lens 135 of the projector 132, and the magnified projection light L is reflected to the front side by the reflecting mirror 133 to enlarge the image displayed on the liquid crystal display 137 over the entire area of the screen 134. The image projected and projected on the screen 134 by the player from the front side of the gaming machine frame 110 has the front panel 127 of the closed panel frame 126 of the gaming machine frame 110, the round window 6 of the gaming board 1, and the light transmission. It can be seen through the plate-like structure 4 made of synthetic resin. As a result, the player can see the movement of the ball moving to and from the game area 3 while watching the image displayed on the screen 134 over the entire game area 3.

  As shown in FIGS. 6 and 7, the image projected on the screen 134 is a plate-like structure made of a front panel 127, the round window 6 of the game board 1, and a light-transmitting synthetic resin from the front side of the gaming machine frame 110. In the pachinko machine structured to be viewed through the body 4, as shown in FIG. 1, the variable winning component 25 is positioned on the plate-like structure 4 by fitting the positioning portion 75 and the positioning portion 41. The ball guide 90 is provided with a positioning portion to be fitted, and the game of the variable prize component 25 is compared to the case where the ball guide 90 is positioned on the plate-like structure 4 by the fitting of the positioning portion and the positioning portion 41. The position with respect to the region 3 is accurate. Further, the start winning component 4 is positioned on the plate-like structure 4 by fitting the attachment portion 66 and the attachment portion 40 together. Therefore, when the best mode is applied to a pachinko machine having a structure in which an image displayed on the back side of the game board 1 is made visible through the game board 1 from the front side of the game board 1, the start prize component 4 and the variable prize component 25 has an advantage that the position of the game area 3 becomes accurate, and the winning rate of the balls for the start winning component 4 and the variable winning component 25 is improved.

  FIG. 8 shows a variable prize component 25 as an example of the front part and a ball guide 90 as an example of the back part, and the variable prize component 25 and the ball guide 90 are attached to the plate-like structure 4 according to the different first embodiment. A cross section of the resulting structure is shown. In FIG. 8, a male screw portion 140 as a fixture is provided on the attachment portion 76 of the variable prize component 25 so as to protrude linearly from the attachment portion 76 to the back side. The outer diameter of the male screw portion 140 is thinner than the outer diameter of the attachment portion 76. The male screw portion 140 is formed by integrally providing a member with a male screw formed on the outer peripheral surface of a round bar such as a set screw or a screw rod on the mounting portion 76. A screw insertion hole 98 of the ball guide body 90 is provided as a hole for inserting the male screw portion 140. A nut 141 is used as a fixture corresponding to the set screw 101 shown in FIGS. The male screw portion 140 and the nut 141 constitute a fixture that couples the attachment portion 76 of the variable winning component 25 and the attachment portion 97 of the ball guide body 90 to each other.

  When the variable winning component 25 and the ball guide body 90 are attached to the plate-like structure 4, the ball distributing portion 74, the attaching portion 76, and the variable drive mechanism 77 of the variable winning component 25 are escaped from the front side of the plate-like structure 4. 42, the positioning portion 75 of the variable winning component 25 is inserted into the positioning portion 41 from the front side of the plate-like structure 4, and the variable winning component 25 is positioned on the plate-like structure 4, and the mounting base of the variable winning component 25 When the back surface of 73 comes into contact with the front surface of the plate-like structure 4 and the mounting base 73 covers the relief portion 42 so that it cannot be seen from the front side, the male screw portion 140 projects from the relief portion 42 to the back side of the plate-like structure 4. ing. When the ball guide 90 is put on the back side of the plate-like structure 4, the wiring 78 of the variable drive mechanism 77 is drawn out from the window 95 to the back side of the ball guide 90, and the wiring 80 of the normal winning ball detector 79 and The wiring 82 of the special winning ball detector 81 is drawn out from the window 94 to the back side of the ball guide 90, and the screw insertion hole 98 is inserted into the rear end portion of the male screw portion 140 protruding from the back side of the plate-like structure 4, The front surface 102 of the guide body 90 contacts the back surface of the plate-like structure 4 around the relief portion 42. Then, the nut 141 is fastened to the male screw portion 140 protruding to the back side of the ball guide body 90, whereby the nut 141 and the mounting portion 76 sandwich the mounting portion 97 of the plate-like structure 4 from the front and rear direction, and the variable prize component. 25 and the ball guide 90 are attached to the plate-like structure 4.

  9 and 10 show a different second form. FIG. 9 shows the variable winning component 25 as an example of the front part, the ball guide 90 as an example of the back part, and shows an exploded mounting structure among the front part, the plate-like structure 4 and the back part. . FIG. 10 shows a cross section of the structure in which the variable winning component 25 and the ball guiding body 90 are attached to the plate-like structure 4. 9, in the variable prize component 25, the mounting portion 76 shown in FIGS. 3 and 4 is removed, and the height of the positioning portion 75 protruding from the mounting base 73 to the back side is formed high. A mounting hole 142 is provided as a recess from the back surface of the positioning portion 75 to the inside. In the ball guide 90, the positions of the mounting portion 97 and the screw insertion hole 98 shown in FIGS. 3 and 4 are changed to the right side of the window 93 and the left side of the window 95. The height of the positioning portion 75 is such that when the positioning portion 75 is inserted into the positioning portion 41 from the front side of the plate-like structure 4, the rear end portion of the positioning portion 75 protrudes to the back side of the plate-like structure 4 to guide the ball. The dimension is set such that the front surface of the attachment portion 97 in the body 90 is brought into contact with or close to the degree of contact.

  When the variable winning component 25 and the ball guiding body 90 are attached to the plate-like structure 4, the ball distributing portion 74 and the variable drive mechanism 77 of the variable winning component 25 are inserted into the relief portion 42 from the front side of the plate-like structure 4. The positioning portion 75 of the variable winning component 25 is inserted into the positioning portion 41 from the front side of the plate-like structure 4, the variable winning component 25 is positioned on the plate-like structure 4, and the back surface of the mounting base 73 of the variable winning component 25 is When the front surface of the plate-like structure 4 is contacted and the mounting base 73 covers the relief portion 42 so that it cannot be seen from the front side, the attachment hole 142 protrudes from the relief portion 42 to the back side of the plate-like structure 4. When the ball guide 90 is put on the back side of the plate-like structure 4, the wiring 78 of the variable drive mechanism 77 is drawn out from the window 95 to the back side of the ball guide 90, and the wiring 80 of the normal winning ball detector 79 and The wiring 82 of the special winning ball detector 81 is drawn from the window 94 to the back side of the ball guide body 90, and the mounting hole 142 protruding to the back side of the plate-like structure 4 faces the screw insertion hole 98 of the ball guide body 90. The front surface 102 of the spherical guide 90 contacts the back surface around the relief portion 42 in the plate-like structure 4. Then, as shown in FIG. 10, the set screw 101 is fastened to the mounting hole 142 from the back side of the ball guide body 90 via the screw insertion hole 98, whereby the set screw 101 and the positioning portion 75 are plate-like structures. The variable winning component 25 and the ball guiding body 90 are attached to the plate-like structure 4 with the attachment portion 97 of the body 4 sandwiched from the front and rear direction.

  FIG. 11 shows a variable prize component 25 as an example of the front part and a ball guide 90 as an example of the back part, and the variable prize component 25 and the ball guide 90 are attached to the plate-like structure 4 according to a different third embodiment. A cross section of the resulting structure is shown. In FIG. 11, in the variable winning component 25, the height of the positioning portion 75 is formed smaller than the thickness of the game board 1 so as to be similar to FIG. 1, and the mounting hole 142 is formed in the positioning portion 75 from the back side of the positioning portion 75. It is provided as a dent to. In the ball guide 90, the positioning portion 143 and the recess 144 are provided in the attachment portion 97. The positioning portion 143 is formed as a protrusion that protrudes forward from the front surface of the attachment portion 97 in order to determine the attachment position of the variable winning component 25 to the plate-like structure 4. A screw insertion hole 98 is provided in the front part of the positioning part 143.

  When the variable winning component 25 and the ball guiding body 90 are attached to the plate-like structure 4, the ball distributing portion 74 and the variable drive mechanism 77 of the variable winning component 25 are inserted into the relief portion 42 from the front side of the plate-like structure 4. The positioning portion 75 and the mounting hole 142 of the variable winning component 25 are inserted into the positioning portion 41 from the front side of the plate-like structure 4, and the variable winning component 25 is positioned on the plate-like structure 4. The back surface of 73 comes into contact with the front surface of the plate-like structure 4, and the mounting base 73 covers the relief portion 42 so that it cannot be seen from the front side. When the ball guide 90 is put on the back side of the plate-like structure 4, the wiring 78 of the variable drive mechanism 77 is drawn out from the window 95 to the back side of the ball guide 90, and the wiring 80 of the normal winning ball detector 79 and The wiring 82 of the special winning ball detector 81 is drawn out from the window 94 to the back side of the ball guide 90, the positioning part 143 is inserted into the positioning part 41 of the plate-like structure 4, and the ball guide 90 is inserted into the plate-like structure 4. The front surface 102 of the sphere guide 90 contacts the back surface around the relief portion 42 in the plate-like structure 4. The set screw 101 and the positioning portion 75 are positioned by positioning the set screw 101 by fastening the set screw 101 from the back side of the ball guide body 90 to the mounting hole 142 via the recess 144 and the screw insertion hole 98. The variable prize component 25 and the ball guiding body 90 are attached to the plate-like structure 4 with the portion 143 sandwiched from the front and rear direction.

  FIG. 12 shows a variable prize component 25 as an example of the front part and a ball guide 90 as an example of the back part, and the variable prize component 25 and the ball guide 90 are attached to the plate-like structure 4 according to the different fourth embodiment. A cross section of the resulting structure is shown. A male screw portion 140 is provided on the positioning portion 75 of the variable prize component 25 so as to protrude linearly from the positioning portion 75 to the back side. The outer diameter of the male screw portion 140 is thinner than the outer diameter of the positioning portion 75. The male screw portion 140 is formed by integrally providing a member having a male screw on the outer peripheral surface of a round bar, such as a set screw or a screw rod, in the positioning portion 75. A screw insertion hole 98 of the ball guide body 90 is provided as a hole for inserting the male screw portion 140. A nut 141 corresponding to the set screw 101 shown in FIGS. 3 to 5 is used.

  When the variable winning component 25 and the ball guiding body 90 are attached to the plate-like structure 4, the ball distributing portion 74 and the variable drive mechanism 77 of the variable winning component 25 are inserted into the relief portion 42 from the front side of the plate-like structure 4. The positioning portion 75 and the male screw portion 140 of the variable winning component 25 are inserted into the positioning portion 41 from the front side of the plate-like structure 4, and the variable winning component 25 is positioned on the plate-like structure 4. When the back surface of 73 comes into contact with the front surface of the plate-like structure 4 and the mounting base 73 covers the relief portion 42 so that it cannot be seen from the front side, the male screw portion 140 protrudes from the positioning portion 41 to the back side of the plate-like structure 4. ing. When the ball guide 90 is put on the back side of the plate-like structure 4, the wiring 78 of the variable drive mechanism 77 is drawn out from the window 95 to the back side of the ball guide 90, and the wiring 80 of the normal winning ball detector 79 and The wiring 82 of the special winning ball detector 81 is drawn out from the window 94 to the back side of the ball guide 90, and the screw insertion hole 98 is inserted into the rear end portion of the male screw portion 140 protruding from the back side of the plate-like structure 4, The front surface 102 of the guide body 90 contacts the back surface of the plate-like structure 4 around the relief portion 42. Then, the nut 141 is fastened to the male screw portion 140 projecting from the back side of the ball guide body 90, whereby the nut 141 and the positioning portion 75 sandwich the mounting portion 97 of the plate-like structure 4 from the front and rear direction, and the variable prize component. 25 and the ball guide 90 are attached to the plate-like structure 4.

  13 and 14 show a different fifth embodiment. FIG. 13a shows an exploded view of a fixture 150 for joining the front and back parts together. FIG. 13 b shows a cross section in which the fixture 150 is attached to a ball guide 90 as a back part. FIG. 14A shows a cross section in which the fixture 150 is inserted into the variable winning component 25 as the front component. FIG. 14b shows a cross section in which the variable winning component 25 and the ball guide 90 are coupled to each other by a fixture. In FIG. 13 a, the fixing tool 150 includes an engagement tool 151 and an operation tool 152. The engaging tool 151 and the operating tool 152 are formed separately from each other. The engagement tool 151 includes a receiving portion 155 at one end of a cylindrical main body 154 having a center hole 153 penetrating in the front-rear direction, and a latching portion 156 at the other end of the cylindrical main body 154. The receiving portion 155 has a dish shape that opens from one end of the cylindrical main body 154 to one outer side in the axial direction. The outer peripheral surface of the cylindrical body 154 between the receiving portion 155 and the latching portion 156 is formed as a constricted portion 157 that is narrower than both the outer diameter of the receiving portion 155 and the outer diameter of the latching portion 156. . The latching portion 156 is formed by a split groove 158 as an elastic piece such as a plurality of cantilever beams independent in the circumferential direction. The split groove 158 is notched in the axial direction and the diametrical direction between the other end portion of the latching portion 156 and the constricted portion 157. A protrusion 159 protrudes in the axial direction on the inner surface surrounding the center hole 153 of each elastic piece constituting the latching portion 156.

  The operation tool 152 includes a rod 161, a constricted portion 162, and a knob 163 at one end of the rod main body 160, and an engagement groove 164 at the other end of the rod main body 160. The rod body 160 is inserted into the center hole 153 from the direction of the receiving portion 155, and when inserted into the center hole 153, pushes the protrusion 159 outward in the radial direction of the center hole 153 to expand the latching portion 156. Thickness. The flange 161 has an outer diameter that is larger than the outer diameter of the rod body 160 and is sized to be taken into the interior of the receiving portion 155 surrounded by the peripheral wall. The constricted portion 162 protrudes coaxially from the collar 161 and is narrower than both the collar 161 and the knob 163. The knob 163 protrudes coaxially from the knob 163 and has a disk shape that is thicker than both the constricted portion 162 and the hook 161.

  In FIG. 13 b, a mounting hole 166 is formed in the mounting portion 97 of the ball guide body 90. Then, the constricted portion 157 of the engaging tool 151 is fitted into the mounting hole 166 from the back side of the ball guide body 90, so that the receiving portion 155 and the latching portion 156 sandwich the mounting portion 97 from the front-rear direction. The engaging tool 151 is attached to the ball guide 90, and the latching portion 156 protrudes from the back surface of the ball guide 90 to the back side. Then, the rod main body 160 of the operation tool 152 is inserted into the center hole 153 from the direction of the receiving portion 155 of the engagement tool 151, so that the engagement groove 164 is fitted into the protrusion 159, and the operation tool 152 is attached to the engagement tool 151. As a result, the fixture 150 is attached to the ball guide 90.

  In FIG. 14 a, the attachment portion 167 provided in the positioning portion 75 of the variable prize component 25 is formed as a dead end hole recessed from the back surface of the positioning portion 75 to the inside. And the latching | locking part 156 in the engaging tool 151 as a front-end | tip part which protruded ahead from the ball guide body 90 of the fixture 150 attached to the ball guide body 90 is inserted in the inside of the attachment part 167 in the variable prize component 25. Then, the front surface of the attachment portion 97 around the engagement tool 151 is brought into contact with the back surface of the positioning portion 75 around the attachment portion 167.

  Next, as shown in FIG. 14 b, when a person pushes the knob 163 of the operation tool 152 to the front side indicated by the arrow X <b> 1, the fitting between the protrusion 159 and the engagement groove 164 is released, The rod body 160 enters the inside of the center hole 153 to the back. Along with this, the outer peripheral surface of the rod main body 160 pushes the protrusion 159 outward in the radial direction of the center hole 153 and pushes the latching portion 156 apart. The latching portion 156 that is spread outward in the radial direction of the center hole 153 contacts the mounting portion 167 so as to stretch the mounting portion 167 outward in the radial direction. As a result, the fixture 150 is pushed into the attachment portion 167, and the variable winning component 25 and the ball guide body 90 are attached to the plate-like structure 4 with the fixture 150.

  In such a state where the variable winning component 25 and the ball guide body 90 are attached to the plate-like structure 4 with the fixture 150, the person pulls the knob 163 of the operation tool 152 to the back side indicated by the arrow X2, thereby The main body 160 moves backward from the back of the center hole 153. Along with this, the pushing force of the central hole 153 toward the outer side in the radial direction against the projection 159 by the outer peripheral surface of the rod body 160 is weakened, the hooking portion 156 returns to the inner side in the radial direction by its own elasticity, and the projection 159 is engaged. 14 is fitted into the mating groove 164, the hooking portion 156 is separated from the mounting portion 167, and the state shown in FIG. As a result, the engagement between the fixture 150 and the mounting portion 167 is released, and the person moves in the direction away from the plate-like structure 4 while supporting the variable winning component 25, and the person moves to the ball guide body. The variable winning component 25 and the ball guide body 90 are removed from the plate-like structure 4 by supporting 90 and moving away from the plate-like structure 4 to the back side.

  The projection device 130 that projects an image on the plate-like structure 4 may be replaced with an image display that displays an image whose display form can be changed electrically, such as a liquid crystal display, on a display screen. The plate-like structure 4 may be made of a synthetic resin having a light shielding property or wood such as plywood. Mounting portion 5, round window 6, ball launching passage 7, outer guide rail 8, inner guide rail 9, out port peripheral portion 10, peripheral decoration portion 11, return ball prevention valve 12, ball repelling body 13, card stand 14 and fraud Instead of the peripheral decorative structure 2 provided with the prevention band 15, the peripheral decorative structure surrounding the round window 6, the outer guide rail, the inner guide rail, the outer peripheral edge portion, the return ball prevention valve 12, the ball repelling body 13, and the certificate paper Each of the base 14 and the fraud prevention band 15 may be formed individually, and these individually formed parts may be attached to the front surface of the plate-like structure 4.

Sectional drawing which shows the attachment structure of the front side component and back side component of a game board (best form). The disassembled perspective view which shows a periphery ornament structure and a plate-shaped structure (best form). The disassembled perspective view which shows a front side part, a plate-shaped structure, and a back side part (best form). The perspective view which shows the attachment process of the front side components and back side components to a game board (best form). The perspective view which shows the attachment process of the front side components and back side components to a game board (best form). The disassembled perspective view (best form) which shows a gaming machine frame and a game board. The schematic diagram which shows the relationship between a game board, a projection apparatus, and a game machine frame (best form). Sectional drawing (different 1st form) which shows the attachment structure to the plate-shaped structure of a variable prize component and a ball guide. The disassembled perspective view (different 2nd form) which shows a variable winning component, a plate-shaped structure, and a spherical guide. Sectional drawing (different 2nd form) which shows the attachment structure to the plate-shaped structure of a variable prize component and a ball guide. Sectional drawing (different 3rd form) which shows the attachment structure to the plate-shaped structure of a variable winning component and a ball guide. Sectional drawing (different 4th form) which shows the attachment structure to the plate-shaped structure of a variable prize component and a ball guide. The disassembled perspective view which shows a fixing tool (different 5th form). Sectional drawing (different 5th form) which shows the attachment structure to the plate-shaped structure of a variable prize component and a spherical guide.

Explanation of symbols

1 game board, 4 plate-like structure, 25 variable winning parts, 41 positioning part, 42 escape part,
73 mounting base, 75 positioning portion, 76 mounting portion, 90 ball guide,
98 Screw insertion hole, 101 Set screw (fixing tool), 140 Male thread part,
141 nut (fixing tool), 142 mounting portion, 143 positioning portion,
150 Fixing tool.

Claims (2)

  A plate-like structure, a positioning portion provided on the front surface of the plate-like structure, an escape hole provided through the plate-like structure in the front-rear direction, and a front part disposed on the front surface of the plate-like structure A positioning portion provided on the back surface of the front part, an attachment portion provided on the back surface of the front component, a back side component disposed on the back surface of the plate-like structure, and an attachment portion provided on the back side component. The positioning part of the plate structure and the positioning part of the front part are fitted into each other, and the mounting part of the front part and the mounting part of the back part are fixed to each other via the escape holes of the plate structure. A game board for a pachinko machine, wherein the front part and the back part are attached to the plate-like structure by being joined from the back side of the back part by means of a tool.   A plate-like structure, a positioning part provided on the front surface of the plate-like structure, a front part disposed on the front surface of the plate-like structure, a positioning part provided on the back surface of the front part, and a positioning of the front part A mounting portion provided on the plate-like structure, a back-side component disposed on the back surface of the plate-like structure, and an attachment portion provided on the back-side component, and the positioning portion of the plate-like structure and the positioning portion of the front-side component. The front part and the back part are fitted with each other and the mounting part of the front part and the mounting part of the back part are opposed to each other via the positioning part of the plate-like structure and are joined from the back side of the back part by a fixture. A pachinko machine game board characterized in that the parts are attached to a plate-like structure.

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