JP2005198956A - Game board of pachinko game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To hide the rear mechanism of an electric component which is provided on a plate-shaped structure made of a light-transmissive synthetic resin. <P>SOLUTION: A component side fitting leg 39 of a start winning component 24 is inserted in a through hole 34 of the plate-shaped structure 4, and a protuberance 58 of a shielding side fitting leg 56 of a shielding body 35 is inserted in the through hole 34 of the plate-shaped structure 4. Then, the barrel 62 of a set screw 61 is inserted in a screw fitting hole 40 through a head housing section 59 and a screw insertion hole 60 from the rear side of the shielding body 35, and is fastened to the component side fitting leg 39. The head section 63 of the set screw 61 comes into contact with the rear surface around the screw insertion hole 60 on the front wall of the head housing section 59. When the start winning part 24 and the shielding body 35 are fitted on the plate-shaped structure 4 with the set screw 61 under a state wherein the plate-shaped structure 4 is sandwiched from the front and the rear, rear mechanisms such as a driving mechanism which protrudes to the rear side from the plate-shaped structure 4, a start winning ball detector, a detector engaging section, and a ball exit section and so forth in the start winning component 24 are hidden from the front side of a game board 1 by the shielding body 35. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a game board of a pachinko machine that conceals a back mechanism of an electrical component provided on a plate-like structure made of a synthetic resin having optical transparency.

In gaming machines such as pachinko machines and slot machines, a projector called a projector using a liquid crystal display is placed at the bottom of the gaming machine frame, and a flat plate consisting of a reflector and a Fresnel lens is placed above the gaming machine frame. A screen called a field lens of the projector is arranged, the liquid crystal display on which the image is displayed is irradiated with light from the projection light source of the projector, and the projection light is magnified by the projection lens of the projector, and the enlarged projection The image reflected on the front side by the reflecting mirror is magnified and projected on the screen by the liquid crystal display, and the image projected on the screen is made of a light-transmitting synthetic resin disposed on the front side of the screen. A structure that is shown to a player through a game board is known. However, there is a drawback in that a back mechanism that protrudes from the game board of game parts provided on the front surface of the game board to the back side is visible from the front side of the game board. In particular, if the back mechanism of the game component includes a ball detector, a small number of players will check the presence of the ball detector from the front side of the pachinko machine, and use unauthorized operation members such as piano wires and strip-shaped synthetic resin bodies. There is also a problem that an illegal act of inserting the ball detector from the front side of the pachinko machine to operate the ball detector is performed.
JP-A-8-98929

  The problem to be solved by the invention is that when a game board is formed of a light-transmitting synthetic resin, a back mechanism protruding from the game board of the game parts provided on the front surface of the game board can be seen. It is.

  A game board for a pachinko machine according to the present invention is a game board for a pachinko machine in which a game part is attached to a plate-like structure made of a light-transmitting synthetic resin. The most important feature is that a shielding body for hiding the back mechanism protruding from the back structure to the back side is provided. The shield and game parts are attached to the plate-like structure with a common fixture, or the game parts have component-side mounting feet that protrude on the back surface, and the shields have shield-side mounting feet that protrude on the front surface. The structure has a through-hole in the front-rear direction, the component-side mounting foot is inserted into the through-hole from the front surface of the plate-shaped structure, and the shielding-side mounting foot is inserted into the through-hole from the back surface of the plate-shaped structure. The side mounting foot and the shielding side mounting foot are fastened to each other with a set screw inside the through hole, or the set screw is fastened to the component side mounting foot from the shielding side mounting foot, and the tip of the set screw protrudes to the front of the game component It is also characterized by being covered with gaming parts without doing.

  The gaming board of the pachinko machine according to the present invention is configured such that a shielding body is provided on a back surface of a plate-like structure made of a synthetic resin having light transmittance, so that the shielding body is separated from the plate-like structure of the gaming parts. There is an advantage that the back mechanism protruding to the back side is hidden, and the back mechanism of the game parts is not visible from the front side of the game board by the shield. If the game component and the shield are attached to the plate-like structure with a common fixture, there are advantages that the number of fixtures is reduced and the installation work is facilitated. A gaming component has a component-side mounting foot that protrudes to the back, a shield has a shielding-side mounting foot that protrudes to the front, a plate-like structure has through holes in the front-rear direction, and the component-side attachment feet have a plate-like structure The shield-side mounting feet are inserted into the through-holes from the back surface of the plate-like structure, and the component-side mounting feet and the shielding-side mounting feet are fastened with set screws inside the through-holes. If the component-side mounting foot and the shielding-side mounting foot are inserted into the through-holes, the mounting positions of the gaming component and the shielding body are matched, and the gaming component and the shielding body are appropriately mounted. There is. If the set screw is fastened from the shield side mounting foot to the component side mounting foot, and the tip of the set screw is covered with the game part without protruding to the front of the game part, the advantage that the set screw becomes invisible from the front side of the game part There is.

  1 to 5 show an embodiment. FIG. 1A shows a form before the start winning component 24 and the shield 35 are attached to the plate-like structure 4 with a set screw 61. FIG. 1 b shows a form after the start winning component 24 and the shield 35 are attached to the plate-like structure 4 with a set screw 61. FIG. 2 shows the component mounting structure exploded from the back side. FIG. 3 shows the game board 1 from the front side. FIG. 4 shows an exploded view from the front side of the case where the gaming board 1 is attached to the gaming machine frame 75 of the pachinko machine. FIG. 5 shows the relationship among the game board 1 of the pachinko machine, the projection device 70, and the game machine frame 75.

  With reference to FIG. 3, the structure of the front side of the game board 1 in a pachinko machine will be described. The game board 1 includes a rectangular peripheral decoration structure 2 made of a colored synthetic resin having a light-shielding property that forms a non-game area, and a plate-like structure 4 made of a synthetic resin having light permeability that forms the game area 3. With. The peripheral ornament structure 2 includes a board-side attachment portion 5, a round opening 6, a launch passage 7, an outer band 8, an inner band 9, an outer peripheral edge portion 10, a peripheral ornament portion 11, a return ball prevention body 12, and a ball repulsion. A body 13, a certificate stand 14, and a fraud prevention band 15 are provided. The board-side mounting portion 5 is for fixing the game board 1 to the gaming machine frame 75 shown in FIG. 4, and is formed in a form having a lock insertion hole 16 from a synthetic resin of a material different from that of the peripheral decoration structure 2. Then, it is 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 opening 6, the inner band 9, and the outer peripheral edge 10 are formed together with the peripheral ornament structure 2 when the peripheral ornament structure 2 is molded from a synthetic resin. The round opening 6 penetrates in the center of the peripheral ornament structure 2 in the front-rear direction. The launch passage 7 has a vertically long shape along the left side of the round opening 6. The outer band 8 is in the form of a strip made of a metal such as stainless steel, and has an arc shape that protrudes upward from the left side portion of the launch passage 7 along the upper arc-shaped edge of the round opening 6. The peripheral ornament structure 2 is attached so as to protrude forward from the front surface of the structure 2. The inner band 9 has an arc shape that protrudes downward along the lower arc-shaped edge of the round opening 6 from the right side of the launch passage 7 and protrudes forward from the front surface of the peripheral ornament structure 2. The outer peripheral edge portion 10 is connected to the inner band 9 so as to protrude from the inner band 9 to the inside of the round opening 6 so as to surround the outer opening 17 at the lowermost portion of the lower arc-shaped edge of the inner band 9. The out port 17 is a hole 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 band 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 cardboard stand 14 is opened forward with an unillustrated shaft that is a connecting portion with the peripheral ornament structure 2 as an opening / closing center, so that the lower panel-side attachment portion 5 can be seen from the front side of the peripheral ornament structure 2. It becomes. Then, the certificate stand 14 is closed rearward with the above-mentioned axis as the opening and closing center, and the certificate stand 14 is received by the certificate stand receiving portion 18 of the peripheral ornament structure 2, so that the board side mounting portion 5 is attached to the certificate stand 14. It is covered with and cannot be seen from the front side of the peripheral 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 is for certifying that the game board 1 has passed the inspection of the union outside the figure and has been approved for sale.

  The return ball prevention valve 12 is a leaf spring formed of stainless steel or an elastic body having a thin strip shape that is thinner than the outer band 8. When one end of the return ball prevention valve 12 is attached to an end located at the ball outlet of the launch passage 7 of the inner band 9 in the peripheral ornament structure 2, the return ball prevention valve 12 is moved from the inner band 9 to the outer band. As it goes to the tip portion located in the direction of 8, it is gradually inclined from the exit of the launch passage 7 to the game area 3 side. The tip of the return ball prevention valve 12 may be in contact with or close to the inner surface of the outer band 8 located on the game area 3 side. The degree of contact is 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 band 8, and extends from the game area 3 to the inner surface of the outer band 8. Thus, it is sufficient that the sphere moving backward to the launching passage 7 is in a range where it cannot pass without being caught between the tip of the return ball prevention valve 12 and the inner side surface of the outer band 8.

  The ball launched from the launching mechanism 88 (see FIG. 4) pushes back the return ball prevention valve 12 from the launch passage 7, so that the tip of the return ball prevention valve 12 is separated from the outer band 8. The return ball prevention valve 12 is elastically deformed as a whole toward the game area 3 with one end portion attached to the inner band 9 of the prevention valve 12 as a reference. 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 approaches the outer band 8. The prevention valve 12 is restored to the form shown in FIG. 3 as a whole. When the return ball prevention valve 12 is restored in this manner, when the ball launched from the launch passage 7 to the game area 3 moves backward from the game area 3 toward the launch path 7, the ball is returned to the return ball. Colliding with the prevention valve 12, the return ball prevention valve 12 repels the game area 3 by preventing the ball from being taken into the launch passage 7 from the game area 3.

  The ball repelling body 13 is an impact absorber made of rubber or synthetic resin, and is attached to the end connected to the round opening 6 in the peripheral decorative portion 11 from the back surface of the peripheral decorative structure 2, The tip of the ball repelling body 13 projects into the round opening 6. Then, when the ball launched along the outer band 8 from the launch passage 7 collides with the tip of the ball repelling body 13 protruding into the round opening 6, the ball repelled by the ball repelling body 13 is rounded. It bounces back toward the center of the game area 3 surrounded by the opening 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. Then, by closing the panel frame 93 shown in FIG. 4, 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 94 made of glass shown in FIG. A player moves an unauthorized operation member such as a piano wire or a synthetic resin strip from the front side of the gaming machine frame 75 shown in FIG. 4 below the gaming area 3 through a gap between front component parts of the gaming machine frame 75. When trying to insert into the game area 3, the tamper-proof band 15 that contacts the inner surface of the front panel 94 receives the tampering member and prevents the tampering member from entering the gaming area 3.

  The plate-like structure 4 is made of a synthetic resin having colorless light permeability, which forms the game area 3 surrounded by the round opening 6 excluding the launch passage 7 of the peripheral ornament structure 2. On the front surface of the plate-like structure 4, game components such as a center ornament 21, a general prize component 22, an operation prize component 23, a start prize component 24, a variable prize component 25, a game nail 26, and a windmill 29 are placed in the game area 3. Located 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. A general winning ball detector (not shown) is provided inside the general winning component 22. The left and right general winning components 22 are denoted by 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. An operating winning ball detector (not shown) is provided inside the operating winning component 23. 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 start winning component 24 has a structure called an electric tulip in which the lower part of the pair of blades 27 is used as an opening / closing axis, and the pair of blades 27 is opened and closed in the left-right direction by a starting drive source (not shown). 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. The pair of left and right blades 27 of the start winning component 24 can be applied to either a form that can accept a sphere or a form that does not accept a sphere even when closed. A start winning ball detector 38 shown in FIG. 2 is provided inside the start winning component 24. The variable prize component 25 has a structure called an attacker or a big prize opening that opens and closes the opening / closing body 28 in the front-rear direction by a variable drive source (not shown) with the lower part of the horizontally long rectangular opening / closing body 28 as an opening / closing axis. Inside the hollow ball receiving portion that is closed or opened by the opening / closing body 28 of the variable winning component 25 is an ordinary winning ball detector (not shown) called a count switch and a specific winning ball (not shown) called a V switch. And a detector. The balls taken into the ball receiving portion of the variable winning component 25 are discharged to the back side of the game board 1 after passing through the normal winning ball detector or the specific winning ball detector. 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 in a hollow shape that is recessed inward from the lower end surface of the peripheral ornament structure 2 and penetrates in the front-rear direction. It is done. As shown in FIG. 4, the plate-like structure 4 including the center ornament 21, the general prize-winning part 22, the operation prize-winning part 23, the start prize-winning part 24, the variable prize-winning part 25 and the game nail 26 is a plate-like structure. The front face of 4 is directed to the front side, and is housed in a non-illustrated game main body storage portion formed inside from the back face of the peripheral ornament structure 2, and a non-illustrated set screw such as a tapping screw is plate-shaped. By fastening the structure 4 to the peripheral ornament structure 2, the plate-like structure 4 is attached to the peripheral ornament structure 2, so that the game board 1 is formed in the form shown in FIG.

  With reference to FIG. 2, the start winning component 24 is taken as an example of a game component, and the mounting structure of the starting winning component 24, the plate-like structure 4 and the shield 35 will be described. The plate-like structure 4 includes a back mechanism escape portion 33 and through holes 34 on the left and right of the back mechanism escape portion 33. The back mechanism escape portion 33 and the through hole 34 are holes that penetrate the plate-like structure 4 in the front-rear direction. The hole diameter of the back mechanism escape portion 33 is large enough to insert the drive mechanism 37, the start winning ball detector 38, the detector engaging portion 43, and the ball exit portion 46 provided in the start winning component 24. The hole diameter of the through hole 34 is a size that allows the component-side mounting foot 39 provided in the start winning component 24 to be inserted.

  The start winning component 24 includes a mounting board 36, a drive mechanism 37, and a start winning ball detector 38. The mounting board 36 is a size for closing the back mechanism escape portion 33 and the left and right through holes 34, and is a portion for mounting the start winning component 24 to the plate-like structure 4. The back surface of the mounting substrate 36 is brought into contact with and overlapped with the front surface around the back mechanism escape portion 33 in the plate-like structure 4. A component-side mounting foot 39 is provided in a form projecting from the back surface of the mounting substrate 36 to the back side at an intermediate portion in the vertical direction of the left and right side portions of the mounting substrate 36. A screw mounting hole 40 is formed in the center of the component side mounting foot 39 as a dead end hole that is recessed from the back surface of the component side mounting foot 39. The drive mechanism 37 is a mechanism for driving the blades 27, and includes a start drive source such as an electromagnetic solenoid, and a connection mechanism that connects the output body such as a plunger in the start drive source and the blades 27. The drive mechanism 37 is located between the left and right component-side mounting legs 39 and is provided on the back surface of the mounting board 36. Directly below the drive mechanism 37 on the mounting substrate 36, a ball detection storage portion 41 is formed in a winning hole 42 formed in a pocket shape projecting in a pocket shape from the back surface of the mounting substrate 36 to the front side of the mounting substrate 36. It is formed in a form that penetrates through.

  A detector engaging portion 43 protrudes from the back surface of the mounting substrate 36 to the back side around the ball detection storage portion 41 on the back surface of the mounting substrate 36. A hook 44 is provided at the tip of the detector engaging portion 43. The start winning ball detector 38 is connected to the back side of the mounting substrate 36 so that a ball detection hole (not shown) provided at one end of the starting winning ball detector 38 is coaxial with the winning hole of the winning hole portion 42. From the back side so that the hook 44 of the detector engaging portion 43 holds one corner at the other end of the start winning ball detector 38 from the back side. Engage with. As a result, the start winning ball detector 38 is attached to the attachment substrate 36. The starting winning ball detector 38 includes a connector 45 on the back surface protruding from the mounting substrate 36 to the back side. The connector 45 is for connecting a connector connected to a wiring outside the figure. A ball outlet 46 that discharges the sphere from the winning hole of the winning hole 42 to the back side of the mounting board 36 projects from the back side of the mounting board 36 to the back side of the back side of the mounting board 36 directly below the ball detection storage part 41. . When the start winning component 24 is attached to the plate-like structure 4, the drive mechanism 37, the start winning ball detector 38, the detector engaging portion 43, and the ball outlet portion 46 are included in the plate-like structure 4 of the start winning component 24. It is a back mechanism protruding from the back side. At least the mounting board 36, the component-side mounting foot 39, the screw mounting hole 40, the ball detection housing part 41, the detector engaging part 43, the hook 44, and the ball outlet part 46 are made of a synthetic resin having a light shielding property. When molding using a mold, they are formed together.

  The shield 35 hides the back mechanism that protrudes from the plate-like structure of the game component to the back side, and is formed of, for example, a black synthetic resin having a light shielding property. The shield 35 includes a shield body 51 and left and right shield arm portions 52. The shielding main body 51 has an outer shape with a size corresponding to an upper portion of the mounting substrate 36 between the component-side mounting feet 39 of the start winning component 24 and includes an opening 53 at the center. The opening 53 has a shape that covers the periphery of the drive mechanism 37 by taking in the drive mechanism 37. Both side portions 54 of the shielding main body 51 surrounding the opening portion 53 are divided into right and left by a cutout portion 55 connected to the lower portion of the opening portion 53. The left and right shielding arm portions 52 are configured to protrude downward from the upper side of the shielding body 51 so as to be separated from the shielding body 51 and then extend downward. Under the left and right shielding arm portions 52, shielding side mounting feet 56 are provided. The left and right shielding-side mounting feet 56 individually include a pedestal 57, a protrusion 58, a head storage portion 59, and a screw insertion hole 60. The pedestal 57 has a plate shape that protrudes laterally outward from the shielding arm portion 52 and closes the through hole 34 of the plate-like structure 4. The protrusion 58 protrudes forward from the center of the front surface of the pedestal 57 and is sized to be inserted into the through hole 34 of the plate-like structure 4. That is, the outer diameter of the base 57 is larger than the outer diameter of the protrusion 58. Therefore, the front surface of the pedestal 57 has an annular shape that surrounds the entire outer periphery of the protrusion 58.

  As shown in FIG. 1 a, the head storage portion 59 is sized so that a head 63 formed at one end of a body 62 formed with a male screw of a set screw 61 such as a tapping screw can be inserted. It is a dead end hole that is recessed from the back surface of the base 57 to the inside of the protrusion 58. The depth D1 from the front surface of the pedestal 57 in the head storage portion 59 is deeper than the height T1 of the head 63 of the set screw 61 (D1> T1). The screw insertion hole 60 is a hole that penetrates in the front-rear direction and is formed in a size that allows the body 62 of the set screw 61 to be inserted in the center of the front wall that is a dead end of the head storage portion 59. The total dimension H3 (H3 = H1 + H2) of the protrusion dimension H1 of the protrusion 58 from the front surface of the pedestal 57 and the protrusion dimension H2 of the component-side mounting foot 39 from the back surface of the mounting board 36 is the through hole 34 in the plate-like structure 4. Is smaller than the thickness T2 around (H3 <T2).

  A case where the start winning component 24 and the shield 35 are attached to the plate-like structure 4 will be described with reference to FIG. In FIG. 2, the back surface of the mounting board 36 in the start winning component 24 is directed to the front surface of the plate-like structure 4, and the component-side mounting feet 39 are inserted into the through holes 34 of the plate-like structure 4. The drive mechanism 37, the starting winning ball detector 38, the detector engaging portion 43, and the ball outlet portion 46 protruding from the substrate 36 to the back side are inserted into the back mechanism escape portion 33 of the plate-like structure 4. The front surface of the shielding body 51 in the shielding body 35 is directed to the back surface of the plate-like structure 4, and the drive mechanism 37 in which both side portions 54 protrude from the cut portion 55 to the back side of the plate-like structure 4 is opened in the shielding body 51. By taking in the portion 53, the shielding main body 51 surrounds the plate-like structure 4 side in the drive mechanism 37, while the projection 58 of the shielding-side attachment foot 56 is inserted into the through hole 34 of the plate-like structure 4.

  Thereafter, as shown in FIG. 1 b, the body 62 of the set screw 61 passes through the head storage portion 59 and the screw insertion hole 60 from the back side of the shield 35 in the screw mounting hole 40 of the start winning component 24. By fastening to the component-side mounting foot 39, the head 63 of the set screw 61 comes into contact with the back surface around the screw insertion hole 60 in the front wall of the head storage portion 59, and the start winning component 24 and the shield 35 are brought together. The plate-like structure 4 is sandwiched from the front and back, and is attached to the plate-like structure 4 with a set screw 61. When the set screw 61 is fastened, the smaller the gap 64 existing between the component-side mounting foot 39 and the shielding-side mounting foot 56 is, the more the back surface of the mounting substrate 36 and the front surface of the shielding body 35 are The layered structure 4 is brought into contact with one layer.

  According to the structure of the embodiment, in FIG. 2, the start winning component 24 and the shielding body 35 that are game components are like a plate-like structure sandwiching the plate-like structure 4 made of a light-transmitting synthetic resin from the front and back. A drive mechanism 37, a start winning ball detector 38, and a detector engaging portion as a back mechanism that protrudes from the plate-like structure 4 in the start winning component 24 to the back side by being attached to the body 4 with a set screw 61. 43 and the ball outlet 46 are hidden by the shield 35. Therefore, as shown in FIG. 3, when the start winning component 24 is attached to the plate-like structure 4 of the game board 1, the back mechanism of the start winning component 24 is the shield 35 from the front side of the game board 1. There is an advantage that it disappears. In particular, when the back mechanism includes a ball detector such as the starting winning ball detector 38 as in the starting winning component 24, the presence of the starting winning ball detector 38 can be confirmed from the front side of the game board 1. Since this becomes impossible, there is an advantage that it is possible to prevent an illegal act that causes the start winning ball detector 38 to malfunction by a small number of players.

  As shown in FIG. 1b, the start winning component 24 and the shield 35 are attached to the plate-like structure 4 with a set screw 61 that is a common fixture. There is an advantage that the number of set screws 61 for attaching the shield 35 to the plate-like structure 4 is reduced and the attaching operation is facilitated. The start winning component 24 includes a component-side mounting foot 39 protruding from the back surface, the shield 35 includes a shielding-side mounting foot 56 protruding from the front surface, and the plate-like structure 4 includes a through hole 34 in the front-rear direction. The side mounting feet 39 are inserted into the through holes 34 from the front surface of the plate-like structure 4, and the shielding-side mounting feet 56 are inserted into the through holes 34 from the back surface of the plate-like structure 4. Since the foot 56 is fastened to the inside of the through-hole 34 by the set screw 61, the component-side mounting foot 39 and the shielding-side mounting foot 56 are inserted into the through-hole 34, whereby the start winning component 24 and There is an advantage that the mounting position with the shield 35 is matched and the start winning component 24 and the shield 35 are appropriately mounted. The start winning component 24 and the shield 35 are arranged to sandwich the plate-like structure 4 from the front and back. The plate-like structure 4 is connected to the start winning component 24 from the back side of the shield 35 via the shield-side mounting feet 56. It is attached with a set screw 61 fastened to the component side mounting foot 39, and the tip of the set screw 61 is confined inside the start winning component 24, so that the set screw 61 is viewed from the front side of the start winning component 24. There is an advantage that it disappears.

  A pachinko machine using the game board 1 will be described with reference to FIGS. 4 and 5. The projection device 70 is formed as a single structure called a unit in which a projector 72, a reflecting mirror 73, and a screen 74 are assembled to a box-shaped device casing 71 made of light-shielding synthetic resin and opened to the front side. The screen 74 of the projection device 70 is stored in a central opening 77 from the back side of the movable frame 76 in the gaming machine frame 75, and the front surface of the screen 74 is the same as the front surface of the back wall of the game main body storage chamber 78 in the gaming machine frame 75. Located in the plane. Then, the projection device 70 is attached to the movable frame 76 by attaching the projection device 70 to the back surface of the back wall of the gaming subject storage structure 79 in the gaming machine frame 75. Further, the game area 3 of the game board 1 is directed to the front side, the game board 1 is inserted into the game main body storage chamber 78 from the front side of the game machine frame 75, and the lower part of the game board 1 is the game main body shelf 80 in the game machine frame 75. After the left side of the game board 1 is sandwiched between the game main body receiving part 81 and the game main body pressing part 82 of the gaming machine frame 75, the right side of the game board 1 is pushed rearward. In the state where the lock operation body 84 of the game main body lock member 83 in the gaming machine frame 75 is inserted from the rear side into the lock insertion hole 16 of the board side mounting portion 5 of the game board 1 and protrudes to the front side, the operator performs the lock operation. When the body 84 is rotated 90 degrees clockwise, for example, the lock operating body 84 engages with the board side mounting portion 5 around the lock insertion hole 16, and the game board 1 is attached to the movable frame 76. When the game board 1 is attached to the movable frame 76, the general winning component 22, the starting winning component 24, and the variable winning component 25 correspond to the front wall positioned below the screen 74 of the device casing 71 in the projection device 70. To do. After the game board 1 is attached, the movable frame 76 is closed, and the front ball tray structure 85 in the gaming machine frame 75 is closed.

  In this state, when the player operates the firing operation mechanism 87 on the front surface of the gaming machine frame 75 in a state where the ball is put in the ball housing portion 86 of the ball tray structure 85, the firing mechanism 88 of the gaming machine frame 75 is The balls supplied from the ball storage unit 86 are fired one by one into the game area 3 of the game board 1 with a firing force corresponding to the operation amount of the firing operation mechanism 87. 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. As a result of winning the start winning component 24, the opening / closing body 28 of the variable winning component 25 opens and closes, and the ball wins the variable winning component 25 from the game area 3 while the opening / closing body 28 is opened. As a result of these winnings, the payout mechanism 89 of the gaming machine frame 75 pays out a ball as a winning ball from the back side of the gaming machine frame 75 to the ball storage portion 86 on the front side of the gaming machine frame 75.

  With reference to FIG. 5, a pachinko machine in which the game board 1 and the projection device 70 are incorporated in the game machine frame 75 will be described. The liquid crystal display 90 of the projector 72 electrically displays an image, and a projection light source 91 such as an LED of the projector 72 electrically irradiates the liquid crystal display 90 on which the image is displayed, and the projection is performed. The light L is magnified by the projection lens 92 of the projector 72, and the magnified projection light L is reflected to the front side by the reflecting mirror 73 to enlarge the image displayed on the liquid crystal display 90 over the entire area of the screen 74. The image projected and projected on the screen 74 by the player from the front side of the gaming machine frame 75 is displayed on the front panel 94 of the closed panel frame 93 of the gaming machine frame 75, the round opening 6 of the gaming board 1, and the light transmitting property. It can be seen through the plate-like structure 4 made of a synthetic resin having Thereby, the player can see the movement of the sphere moving to and from the game area 3 while viewing the image displayed on the screen 74 over the entire game area 3.

  In FIG. 1, if the entire outer peripheral surface of at least one of the shielding side mounting foot 56 and the component side mounting foot 39 is inscribed in the inner peripheral surface of the through hole 34, the start winning component 24 and the shielding are protected. The body 35 is attached to the plate-like structure 4 at a more accurate position. The set screw 61 may be replaced with a fixture composed of a convex portion protruding from one of the back surface of the shielding side mounting foot 56 or the front surface of the component side mounting foot 39 and a concave portion recessed in the other. The game component may be a center ornament 21, a general prize component 22, an operation prize component 23, a variable prize component 25, a side lamp outside the figure, a decoration outside the figure, and the like.

Sectional drawing which shows component attachment structure (one Embodiment). The disassembled perspective view which shows the component attachment structure from the back side (same embodiment). The disassembled perspective view which shows a game board from the front side (same embodiment). The disassembled perspective view which shows a pachinko machine from the front side (same embodiment). The schematic diagram which shows the relationship between a game board, a projection apparatus, and a game machine frame (same embodiment).

Explanation of symbols

1 game board, 2 surrounding ornament structure, 4 plate-like structure, 24 start winning parts,
33 Back mechanism relief, 34 Through hole, 35 Shield, 37 Drive mechanism,
38 start winning ball detector, 39 component side mounting feet, 56 shielding side mounting feet,
61 Set screw.

Claims (4)

  In a pachinko machine game board in which game parts are attached to a plate-like structure made of a light-transmitting synthetic resin, a back mechanism that protrudes from the plate-like structure of the game parts to the back side is provided on the back side of the plate-like structure. A pachinko machine game board characterized by a concealing shield.   2. A game board for a pachinko machine according to claim 1, wherein the shield and the game parts are attached to the plate-like structure with a common fixture.   A gaming component has a component-side mounting foot that protrudes to the back, a shield has a shielding-side mounting foot that protrudes to the front, a plate-like structure has through holes in the front-rear direction, and the component-side attachment feet have a plate-like structure The shield-side mounting feet are inserted into the through-holes from the back surface of the plate-like structure, and the component-side mounting feet and the shielding-side mounting feet are fastened with set screws inside the through-holes. 2. A game board for a pachinko machine according to claim 1, wherein the game board is a pachinko machine. 2. A game of a pachinko machine according to claim 1, wherein the set screw is fastened from the shield side mounting foot to the component side mounting foot, and the tip of the set screw is covered with the game part without protruding to the front surface of the game part. Board.

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