JP4439982B2 - Pachinko machine equipped with a projection device - Google Patents

Description

  In the present invention, the left side portion of the game board is fitted into the game main body storage chamber of the gaming machine frame, and the right side portion of the game board is pushed from the front side to the rear side, whereby the game board is rotated around the left side portion where the game board is fitted. The present invention relates to a pachinko machine equipped with a projection device capable of appropriately projecting an image on a screen even if the game board is structured to be attached to and detached from a gaming machine frame having a projection device by rotating from the front side to the rear side as a whole. .

In a pachinko machine equipped with a projection device, a projector called a projector using a liquid crystal display is arranged at the lower part of the gaming machine frame, a reflector on the back side of the gaming board provided at the upper part of the gaming machine frame, A screen called a flat field lens consisting of a Fresnel lens is placed, light is emitted from the projection light source of the projector to the liquid crystal display on which the image is displayed, and the projection light is magnified by the projection lens of the projector. The enlarged projection light is reflected to the front side by a reflecting mirror, and the image displayed on the liquid crystal display is enlarged and projected on the screen. However, as a structure in which the gaming board is mounted on the gaming machine frame, the left side of the gaming board is fitted into the gaming subject storage chamber of the gaming machine frame, and the right side of the gaming board is pushed from the front side to the rear side, thereby In order to conceal the rear protruding part protruding from the back side of the game board to the gaming machine frame or the projection device by adopting a structure that rotates from the front side to the rear side around the left side portion where the above is fitted as a rotation center When the game component cover is provided, the lateral width of the game component cover is increased so that the game component cover and the back protruding portion do not contact each other when the game board is rotated. As described above, when the width of the game component cover is widened, there is a drawback in that the area for projecting the screen image is narrowed.
Japanese Patent Laid-Open No. 2003-220194 JP-A-6-35066

  The problem to be solved by the invention is that, as the width of the game part cover increases, the area for projecting the screen image becomes narrower.

The pachinko machine equipped with the projection device according to the present invention is formed on the rear wall of the game main body storage room and the game main body storage room opened on the front side for storing the game board constituting the game main body. A central opening penetrating in the front-rear direction, and the projection light irradiated from the projection light source of the projector onto the liquid crystal display on which the image is displayed is magnified by the projection lens of the projector and reflected to the front side by the reflecting mirror The screen of the projection device for enlarging and projecting the image displayed on the liquid crystal display on the screen is provided corresponding to the central opening on the back side of the gaming machine frame, and the left side of the gaming board is the gaming machine frame The game board is inserted into the game main storage chamber, the right side of the game board is pushed from the front side to the rear side, and the game board is rotated from the front side to the rear side as a whole with the left side part in which the game board is inserted as the center of rotation. projecting device but fit these to the gaming machine frame In pachinko machine comprising, open to the front side has a left side wall and right side wall and a top wall and a rear wall for concealing the back projecting portion projecting rearward is formed by light-blocking synthetic resin from the back of the game board A configuration is provided in which the rear surface of the peripheral portion of the escape portion formed on the screen as a portion to escape the front opening of the gaming component cover and the front surface surrounding the front opening of the gaming component cover are overlapped. The left side wall located on the side of the gaming board rotation center in the gaming part cover has a slope that gradually inclines to the left as it goes from the rear side to the front side, and the rotation of the gaming board in the gaming part cover part central and gradually become surface inclined to the right in accordance with the right side wall located on the opposite side goes to the front from the rear side of the inclination angle of the right side wall and a kite is larger than the inclination angle of the left side wall The most important features To.

  The pachinko machine equipped with the projection device according to the present invention is arranged so that the right side wall located on the opposite side of the rotation center side of the game board is far from the rear protruding part so as not to contact the rear protruding part protruding from the rotating game board to the back side. In the situation where the distance is provided, the inclination angle of the right side wall in the game part cover of the projection apparatus is formed larger than the inclination angle of the left side wall in the game part cover of the projection apparatus. The light that passes through the liquid crystal display and the projection lens on which the image is electrically displayed and is reflected to the front side by the reflecting mirror reaches the screen so that the shadow is not caused by the game part cover of the projection device, and the image is displayed on the screen. There is an advantage that can be appropriately projected.

  1 to 6 show the best mode for carrying out the invention. 1 shows a planar initial state in which the gaming board 110 is mounted on the gaming machine frame 71 to which the projection device 1 is attached. FIG. 1B shows a planar final state in which the gaming board 110 is mounted on the gaming machine frame 71 to which the projection apparatus 1 is attached. The c diagram of FIG. 1 shows the best mode and the proportionality. FIG. 2 shows an exploded view of the gaming machine frame 71 and the gaming board 110 to which the projection apparatus 1 is attached. FIG. 3 shows the back side of the game board 110. FIG. 4 shows the projection apparatus 1 in an exploded manner. FIG. 5 shows an external appearance of the projection apparatus 1 from the front side. FIG. 6 shows the relationship among the game board 110, the projection device 1, and the gaming machine frame 71. In this specification, the directions such as “front”, “back”, “back”, “up”, “down”, “left”, “right” are the same as those shown in FIG. This is the direction specified when viewed from the front side. “Back” and “back” are in the same direction.

  With reference to FIG. 2, the structure of the front side of the gaming machine frame 71 and the structure of the front side of the game board 110 in the pachinko machine will be described. The gaming machine frame 71 includes a fixed frame 72 called an outer frame for attaching to a game installation structure outside the figure called an island of a game store. The fixed frame 72 has a frame shape surrounding a vertically long rectangular space opened in the front-rear direction. In the fixed frame 72, a movable frame 75 called a front frame or an intermediate frame is positioned above the curtain plate portion 73 provided on the lower front surface of the fixed frame 72, and is moved to the front side by a left metal hinge 76. It is attached so that it can be opened sideways and detachable (replaceable). The movable frame 75 includes a frame-shaped movable frame main body 77 surrounding a vertically long rectangular space opened in the front-rear direction, and a game main body storage structure 78 provided on the back surface of the movable frame main body 77. When the movable frame 75 is closed, it is supported by the fixed frame 72 so that it cannot be opened and closed by a metal lock mechanism (not shown). A panel frame 81 and a ball tray structure 82 are attached to the movable frame main body 77 so that the panel frame 81 and the ball tray structure 82 can be opened in the front lateral direction by a hinge provided on the left side. The panel frame 81 has a frame shape surrounding the window 83 opened in the front-rear direction. A light transmitting front panel 84 made of glass or synthetic resin is attached to the back surface of the panel frame 81 so as to cover the window 83.

  When the panel frame 81 is closed, it is supported by the movable frame main body 77 so that it cannot be opened and closed by a metal lock mechanism 88. When the ball tray structure 82 is closed, it is supported by the movable frame body 77 so that it cannot be opened and closed by a metal lock mechanism 94. When the movable frame 75 is closed, it is supported by the fixed frame 72 so that it cannot be opened and closed by a lock mechanism (not shown). The right vertical piece of the movable frame body 77 is provided with a locking device 86, a lock mechanism 88; 94, and a lock mechanism (not shown). In a state where the movable frame 75, the panel frame 81, and the ball tray structure 82 are closed and supported so as not to be opened and closed by a lock mechanism or lock mechanism 88; When the (key) is inserted into the key hole 87 of the locking device 86 from the front side of the gaming machine frame 71 and the key plate is rotated 90 degrees to the right, for example, the fixed frame 72 and the movable frame 75 are supported by a lock mechanism (not shown). The form is released. After the release of this support mode, the store clerk pulls the movable frame 75 forward, so that the movable frame 75 is opened to the front side with the hinge 76 as the opening / closing center. When the key plate inserted into the key hole 87 of the locking device 86 is rotated 90 degrees to the left, for example, the support form by the lock mechanism 88 between the movable frame 75 and the panel frame 81 is released. After the release of this support mode, the store clerk pulls the panel frame 81 forward, whereby the panel frame 81 is opened to the front side with a hinge (not shown) as the opening / closing center. As described above, when the store clerk operates the unlocking operation body 89 on the front surface of the movable frame 75 in a state where the panel frame 81 is opened to the front side, the lock mechanism 94 between the movable frame 75 and the ball tray structure 82 is used. The support form is released. After the release of this support form, the store clerk pulls the ball tray structure 82 forward, whereby the ball tray structure 82 is opened to the front with the hinge (not shown) as the opening / closing center. A ball storage unit 90 and a launch operation mechanism 91 are provided on the front surface of the ball tray structure 82. The ball storage unit 90 has a shape opened upward to receive a ball used for a game. On the back surface of the ball tray structure 82, a ball inlet 92 that supplies a ball to the ball storage unit 90 and a ball supply port 93 that supplies a ball from the ball storage unit 90 to the launching mechanism 105 are provided.

  The game main body storage structure 78 includes a game main body storage chamber 95 opened to the front side, and a central opening 96 formed in the rear wall of the game main body storage chamber 95 and penetrating in the front-rear direction. On the left side of the game main body storage chamber 95, the game main body pressing portion 97 configured by a leaf spring that presses the game board 110 from the back side to the front side, and the game board 110 pressed forward by the game main body pressing portion 97 on the front side And a game main body receiving unit 98 for receiving from the game. A game main body lock mechanism 99 is provided on the right side of the game main body storage chamber 95. The game main body lock mechanism 99 includes a lock operation unit 101 that is rotatable at the center of a base 100 that projects forward from the game main body storage structure 78. The lock operation unit 101 has a horizontally long shape that is fixed to an end of an operation shaft that protrudes forward from the base 100.

  A game main body shelf 103 is provided on the front surface of the game main body storage structure 78 below the game main body storage chamber 95. On the front surface of the front wall 104 extending downward from the front edge of the game main shelf 103, a launch mechanism 105, a launch rail 106, a foul ball inlet 107, and a front reed 108 are provided. The firing rail 106 receives one sphere supplied from the sphere supply port 93 of the sphere dish structure 82. The firing mechanism 105 fires one ball supplied from the ball storage unit 90 to the launch rail 106 toward the game area 112 of the game board 110 by alternately receiving power supply and interruption. The firing rail 106 guides the ball fired from the launching mechanism 105 to the entrance of the launch path 115 in the game board 110. The foul ball inlet 107 receives a ball that falls from the launch passage 115 of the game board 110. The sphere taken into the foul sphere intake 107 is discharged to the sphere intake 92 via the front reed 108. The front recumbent cage 108 is a ball discharged from the inside of the gaming machine frame 71, a ball discharged from the payout mechanism 128 attached to the back of the movable frame 75 and a ball discharged from the foul ball intake 107. As described above, a passage is formed that leads from the ball discharge port 109 of the front horizontal rod 108 to the ball inlet 92 of the ball tray structure 82.

  The projection device 1 is provided on the back side of the movable frame 75. As shown in FIG. 6, the projection apparatus 1 is called a unit in which a projector 3, a reflecting mirror 4, and a screen 5 are assembled to a box-shaped projection apparatus housing 2 made of light-shielding synthetic resin and opened to the front side. It is formed as a single structure. Returning to FIG. 2, the structure on the front side of the gaming board 110 that constitutes the gaming subject that is replaceably attached to the gaming machine frame 71 will be described. The game board 110 is a plate-like shape made of a light-transmitting synthetic resin forming a peripheral decoration structure 111 made of a light-shielding synthetic resin that forms a non-game area and an inner game area 112 surrounded by the peripheral decoration structure 111. And a structure 113. The peripheral ornament structure 111 has a round opening 114 penetrating in the front-rear direction in the center of a rectangular plate stored in the game main body storage chamber 95, and a front open vertical groove shape on the left side of the round opening 114. And a launch passage 115. On the left side surface of the launch passage 115 and the upper arc-shaped side surface of the round opening 114 extending in an arc shape from the left side surface to the right side, a metal band plate-like outer band 116 such as stainless steel is attached in series.

  The right side surface of the launch passage 115 and the lower arc-shaped side surface of the round opening 114 extending in an arc from the right side to the right side have a vertical bottom portion of the launch passage 115 and an inner band 117 projecting forward from the round opening 114. Form. At the bottom of the lower arc-shaped side surface of the inner band 117, an out mouth portion 119 that surrounds the out mouth 118 and discharges the ball from the front side to the back side of the game board 110 is projected inward from the inner band 117. Articulated. The inner band 117 and the out mouth part 119 are formed of a synthetic resin together with the peripheral ornament structure 111. Therefore, the outer band 116 and the inner band 117 other than the launch passage 115 are round openings 114 surrounding the game area 112. The out mouth part 119 is arranged at the lowermost part of the game area 112. The launch passage 115 is a passage that guides the ball launched from the launch mechanism 105 to the game area 112.

  A return ball prevention valve 120 is provided at the outlet of the launch passage 115 that discharges the ball fired from the launch mechanism 105 from the launch passage 115 to the game area 112. The attachment portion of the return ball prevention valve 120 is attached to the peripheral ornament structure 111 so as to follow the end portion of the inner band 117. The return ball prevention valve 120 is a leaf spring formed of stainless steel or synthetic resin in the form of a thin strip that is thinner than the outer band 116 and the inner band 117. When the return ball prevention valve 120 is attached to the peripheral decorative structure 111, the return ball prevention valve 120 moves from the base portion where the attachment portion exists to the tip portion located on the outer band 116 side of the launch passage 115. The appearance gradually inclines from the exit toward the game area 112. The tip of the return ball prevention valve 120 only needs to be in contact with or close to the inner surface of the outer band 116 located on the game area 112 side. The degree of contact is such that there is a gap smaller than the diameter of one sphere between the tip of the return ball prevention valve 120 and the inner surface of the outer band 116, and along the inner surface of the outer band 116 from the game area 112. Thus, it is only necessary that the sphere that goes back to the launching passage 115 does not get caught between the tip of the return ball prevention valve 120 and the inner side surface of the outer band 116 without passing.

  Then, the ball fired from the launch mechanism 105 pushes the return ball prevention valve 120 from the launch passage 115 and opens the return ball prevention valve 120 so that the tip of the return ball prevention valve 120 is separated from the outer band 116. The return ball prevention valve 120 is elastically deformed toward the game area 112 as a whole with reference to the attachment portion. Then, the ball that pushes open the return ball prevention valve 120 moves away from the return ball prevention valve 120 toward the game area 112, so that the tip of the return ball prevention valve 120 approaches the outer band 116. The prevention valve 120 is restored to the form shown in FIG. 2 as a whole. Thus, in the restored form of the return ball prevention valve 120, when a ball launched from the launch passage 115 to the game area 112 moves backward from the game area 112 toward the launch path 115, the ball is returned to the return ball. The collision with the prevention valve 120 prevents the return ball prevention valve 120 from being taken into the launch passage 115 from the game area 112 and bounces back to the game area 112.

  A fraud prevention band 122 is linearly attached to the lower edge of the peripheral ornament structure 111. The fraud prevention band 122 is formed of an elastic synthetic resin, and the fraud prevention band 122 is placed on the back surface of the front panel 84 (the surface located on the game board 110 side) when the panel frame 81 is closed. ), The player moves a gap between the front components of the gaming machine frame 71 from the front side of the gaming machine frame 71 below the gaming area 112 with an unauthorized operation member such as a piano wire or a synthetic resin strip. When trying to insert into the gaming area 112 via the tamper-proof band 122 that contacts the inner surface of the panel, the tampering operation member is received and the tampering operation member is prevented from entering the gaming area 112.

  An attachment portion 123 for fixing the game board 110 to the gaming machine frame 71 is provided on the upper right and lower sides of the peripheral ornament structure 111. The attachment portion 123 includes a lock insertion hole 124 that engages with a game main body lock mechanism 99 provided in the game main body storage chamber 95. A stamp stand 126 is provided at the lower right side of the peripheral ornament structure 111 so as to be openable and closable in the front-rear direction. The card holder 126 is opened forward with a hinge (not shown) that is a connecting portion with the peripheral ornament structure 111 as an opening / closing center, so that the lower attachment portion 123 can be seen from the front side of the right peripheral ornament structure 111. Become. The certificate stand 126 is closed rearward with the hinge as the opening / closing center, and the certificate stand 126 is received by the certificate stand receiving portion 127, so that the attachment portion 123 is covered with the certificate stand 126 and the peripheral decorative structure It disappears from the front side of 111. On the front surface of the closed certificate stand 126, a certificate sheet is attached to indicate that the game board 110 has passed the inspection of the association and has been approved for sale.

  The plate-like structure 113 made of light-transmitting synthetic resin forming the game area 112 includes a center ornament 131, a general winning component 132, an operating winning component 133, a starting winning component 134, a variable winning component 135, a game nail 136, and the like. The gaming parts are attached to the gaming area 112 having light transmittance surrounded by the round opening 114 excluding the launch passage 115 of the peripheral decoration structure 111. The general winning component 132 is a take-in type that takes a ball from the game area 112 and discharges the taken ball to the back side of the game area 112. A general winning ball detector (not shown) is provided inside the general winning component 132. The action winning component 133 is a passing type in which a ball is taken from the game area 112 and discharged into the game area 112 without being taken into the back side of the game area 112. An operation winning ball detector (not shown) is provided inside the operation winning component 133. The start winning component 134 has a structure called an electric tulip that opens and closes the pair of blades 138 in the left-right direction with a starting drive source (not shown) with the lower part of the pair of blades 138 as an opening / closing center. The start winning component 134 is a take-in type that takes a ball from the game area 112 and discharges the taken ball to the back side of the game area 112.

  Even when closed, the pair of left and right blades 138 of the start winning component 134 can be applied in a form that can accept a ball or a form that does not accept a ball. A start winning ball detector (not shown) is provided inside the start winning component 134. The variable prize component 135 has a structure called an attacker or a big prize opening that opens and closes the opening / closing body 139 in the front-rear direction with a variable driving source (not shown) with the lower part of the horizontally long rectangular opening / closing body 139 as the opening / closing center. Inside the hollow ball receiving portion that is closed or opened by the opening / closing body 139 of the variable winning component 135, there is a normal 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 135 are discharged to the back side of the game board 110 after passing through the normal winning ball detector or the specific winning ball detector. Therefore, the variable winning component 135 is a take-in type.

  The structure of the back side of the game board 110 will be described with reference to FIG. On the back side of the game board 110, a collective bowl 140 is provided. The collective scissors 140 are attached to the back surface of the plate-like structure 113 with a set screw such as a tapping screw (not shown), so that the general winning component 132, the starting winning component 134, the variable winning component 135, and the out shown in FIG. A passage is formed between the back surface of the plate-like structure 113 so that the ball discharged from the opening 118 to the back side of the game board 110 is guided downward to be discharged downward from the discharge port 141 of the collective basket 140. The balls discharged from the discharge port 141 of the collective basket 140 are discharged from the gap between the game main shelf 103 and the upper covering portion 27 of the projection apparatus 1 to the ball collecting system in the game installation structure. The back projecting portion 142 projecting to the back side of the game board 110 in the general winning component 132, the back projecting portion 143 projecting to the back side of the game board 110 in the variable winning component 135, and the portion opening to the back side of the game board 110 in the out port 118 are The cover is covered with the assembly wall 140. The back projecting portion 142 of the general winning component 132 is a passage for discharging a ball that has won the general winning component 132 from the gaming area 112 shown in FIG. 2 to the back side of the game board 110 and a starting winning ball detector of the starting winning component 134. is there. The back projecting portion 143 of the variable prize component 135 is a path for discharging a ball that has won the variable prize component 135 from the game area 112 to the back side of the game board 110, a drive mechanism that drives the opening / closing body 139 of the variable prize component 135, and a variable prize. These are the normal winning ball detector and the specific winning ball detector of the part 135. The back protruding portion 144 that protrudes to the back side of the game board 110 in the start winning component 134 passes from the front surface of the plate-like structure 113 via the escape hole 145 formed in the plate-like structure 113. , The path for discharging the ball that won the start prize component 134 from the game area 112 to the back side of the game board 110, the drive mechanism that drives the blade 138 of the start prize component 134, and the detection of the start prize ball for the start prize component 134 Such as a vessel.

  With reference to FIG. 4, the structure of each component of the projection apparatus 1 will be described. The projection apparatus housing 2 forms a lower projection mechanism portion 9 and an upper reflection projection mechanism portion 10 by combining three parts of the housing body 6, the front cover body 7, and the lid body 8. The projection mechanism 9 is narrower than the reflection projection mechanism 10. The housing body 6 is a structure made of light-shielding synthetic resin formed in a box shape opened to the front side by protruding the left wall, the right wall, the upper wall, and the lower wall from the back wall to the front side, The lower projector housing chamber 11 and the upper reflector housing chamber 12 are connected in the vertical direction, and device mounting portions 13 are provided at the four outer corners of the reflection projection mechanism portion 10. The device attachment portion 13 projects outward from the peripheral wall 15 of the housing body 6. The device attachment portion 13 is a portion for attaching the projection device 1 to the back surface of the movable frame 75 of the gaming machine frame 71 shown in FIG. The left wall, the right wall, the upper wall, and the lower wall of the housing body 6 form an annular peripheral wall 15 that continuously surrounds the projector storage chamber 11 and the upper reflecting mirror storage chamber 12. A plurality of screen mounting portions 16 are provided on the inner side of the peripheral wall 15 in the reflection projection mechanism unit 10 of the housing body 6 so as to protrude forward from the back wall of the reflection projection mechanism unit 10. On the inner side of the peripheral wall 15 in the reflection projection mechanism unit 10 of the housing body 6, a plurality of cylindrical front covering attachment portions 18 are provided in a manner protruding forward from the back wall of the reflection projection mechanism unit 10. The back wall of the reflecting mirror housing chamber 12 is a flat wall with a forward tilt posture that gradually moves away from the front surface of the peripheral wall 15 as it goes downward from above. In the reflecting mirror storage chamber 12, the central reflecting mirror receiving portion 20 and the upper and lower reflecting mirror mounting portions 21 protrude forward from the back wall of the reflecting mirror storage chamber 12. The reflecting mirror receiving unit 20 includes ribs 22 in a lattice shape. The front surface of the rib 22 is located in one plane that is inclined forward at the same angle as the back wall of the reflector housing chamber 12. The reflector mounting portion 21 is located on the outer side in the vertical direction with respect to the rib 22. In the reflecting mirror mounting portion 21, a cylindrical mounting foot having an outer diameter smaller than the front surface of the reflecting mirror mounting portion 21 protrudes coaxially from the front surface of the reflecting mirror mounting portion 21 to the front.

  The front cover 7 is a member formed of a light-shielding synthetic resin, and a box-shaped upper cover portion 27 opened to the back side and a box-shaped lower cover portion 28 opened to the front side are connected in the vertical direction. It is a form. The upper covering portion 27 is a flat wall in a vertical posture. The upper cover portion 27 includes a central game component cover portion 30 and left and right game component cover portions 31. The game component cover 30 is a portion that houses and covers the back protruding portion 144 shown in FIG. 3, and includes a left side wall 30 a protruding upward from an upper edge portion of the upper covering portion 27, and an upper portion of the upper covering portion 27. A right wall 30b projecting upward from the edge, a back wall 30c connected to a rear edge of the left wall 30a and a rear edge of the right wall 30b, and an upper edge of the left wall 30a and the upper side of the right wall 30b The upper wall 30d connected to the edge portion and the upper edge portion of the back wall 30c has a hood shape that surrounds and forms the inner space 30e opened to the front side. A lower portion of the internal space 30e is opened to the front side of the upper covering portion 27. The game component cover portion 31 is a portion that covers the upper left and right sides of the collective basket 140 shown in FIG. The upper wall 33 protrudes forward from the upper covering portion 27 around the game component covering portions 30; 31. The lower covering portion 28 is a flat wall with a rear oblique posture that gradually inclines forward as it goes downward from the shelf wall 34. A shelf wall 34 that forms a boundary between the upper covering portion 27 and the lower covering portion 28 is connected to the upper covering portion 27 and the lower covering portion 28. A plurality of attachment holes 35 are provided at positions corresponding to the front cover attachment portion 18 in the peripheral edge portion of the front cover body 7.

  The shelf wall 34 and the lower covering portion 28 are provided with a work opening 37 penetrating in the front-rear direction. The work opening 37 is a portion for performing work for adjusting the focus of the projection lens 66 of the projector 3 attached to the projection mechanism unit 9. A hook receiving groove 38 is formed on the upper edge of the work opening 37 so as to be recessed upward from the upper edge of the work opening 37. The depth recessed above the hook receiving groove 38 is shallower than the thickness of the lid 8. At the lower left and right edge portions of the work opening 37, a lid receiving portion 39 is formed so as to fall downward from the upper surface of the shelf wall 34 and fall from the front surface of the lower covering portion 28 to the back side. The depth at which the lid receiving portion 39 falls is the same as the thickness of the lid body 8. Projection receiving holes 40 are formed on the left and right sides of the lid receiving portion 39 located at the lower edge of the work opening 37. The lid 8 has a shape that closes the work opening 37 and is made of a light-shielding synthetic resin. The lid 8 includes an engaging portion 42 having a hook 41 at the front end that linearly protrudes on the back side, and a protrusion 43 that protrudes in parallel in the same direction as the engaging portion 42.

The reflecting mirror 4 includes a reflecting surface body 45 and upper and lower attachments 46. The reflecting surface body 45 is a flat plate made of a rust-proof metal such as stainless steel having the same outer shape as that of the reflecting mirror receiving portion 20 with a mirror-finished front surface. The fixture 46 is coupled to the upper edge and the lower edge of the reflecting surface body 45 by a joining method such as spot welding. Mounting holes 47 are formed in the left and right side portions of the mounting tool 46. The screen 5 has a flat plate shape called a field lens made of a Fresnel lens that covers the front opening of the reflection projection mechanism 10 that is open to the front. The outer shape of the screen 5 is as follows: the front surface of the peripheral wall 15 of the reflection projection mechanism unit 10, the front surface of the upper wall 33 of the front cover 7, the left side wall 30a serving as the peripheral wall of the game component cover 30; It is the shape which covers the front of. A plurality of relief portions 48; 49; 50 are provided on the peripheral edge of the screen 5. The escape portion 48 is a portion that escapes the internal hole of the screen attachment portion 16. The escape portion 49 is a portion that escapes from the front opening of the game component cover 30. The escape portion 50 is a portion that escapes from the front opening of the game component cover 31.

  The screen support 54 for attaching the screen 5 to the housing body 6 is divided into two left and right bodies by a metal plate such as an iron plate, and a support front wall that covers the front surface of the peripheral wall 15 of the reflection projection mechanism unit 10. 55 and a support side wall 56 bent to the back side from the support front wall 55. The support front wall 55 includes mounting holes 57 at the top and bottom. On the back surface of the support front wall 55 around the attachment hole 57, a cylindrical fitting portion 58 having an internal hole coaxially connected to the attachment hole 57 is provided. The projector 3 incorporates a projection light source 64 such as an LED at the bottom of the device casing, a liquid crystal display 65 at the middle in the vertical direction of the device casing, and focuses the projection lens 66 on the top of the device casing. An air cooler 67 such as a white blower fan driven by a motor, and a projector control circuit 147 of the liquid crystal display 65 are provided outside the device casing so as to be adjustable. The air cooler 67 is a device that cools the inside of the housing with air.

  A method for assembling the projection apparatus 1 will be described. The projector 3 is attached to the projection mechanism unit 9 of the housing body 6, the front cover 7 is attached to the housing body 6, and the reflecting mirror 4 is attached to the reflecting mirror storage chamber 12 of the housing body 6. Either the time when the projector 3 is attached to the housing body 6 or the time when the reflector 4 is attached to the housing body 6 may be first, but the front cover 7 is attached to the housing body 6. The timing is good after the reflecting mirror 4 is attached to the housing body 6. The reason is that the reflecting mirror 4 can be easily attached without damaging it. In this way, by attaching the reflecting mirror 4 and the front cover 7 to the housing body 6, a front-side open reflection projection mechanism 10 incorporating the reflecting mirror 4 is formed on the housing body 6. .

  When the reflecting mirror 4 is mounted in the reflecting mirror storage chamber 12, the mounting holes 47 of the upper and lower mounting tools 46 in the reflecting mirror 4 are individually inserted into the mounting feet of the reflecting mirror mounting portion 21 from the front side. The reflecting surface 45 is received by the reflecting mirror receiving portion 20 such that the back surface comes into contact with the front surface of the reflecting mirror receiving portion 20 and the mirror-finished reflecting surface that is the front surface of the reflecting surface body 45 is entirely flat. Thereafter, a set screw 61 such as a tapping screw is fastened to the mounting foot of the housing body 6 from the front side of the reflecting mirror 4 via the mounting hole 47 of the reflecting mirror 4 so that the reflecting mirror 4 is in the reflecting mirror storage chamber. Attached to 12 back walls. That is, the reflecting mirror 4 is attached to the housing body 6 in a forward tilt posture inside the reflecting mirror storage chamber 12.

  Further, the projector 3 is mounted in the projector storage chamber 11 so that the projection lens 66 of the projector 3 is on the upper side and the projection light source 64 of the projector 3 is on the lower side. After the projector 3 is attached to the projector storage chamber 11, the front cover 7 is put on the housing body 6 so as to cover the front opening of the projector storage chamber 11. Thereafter, the front cover 7 is attached to the housing body 6 by fastening a set screw 68 such as a tapping screw to the front cover attachment portion 18 from the attachment hole 35. As a result, the projection mechanism section 9 covered with the front covering body 7 is formed in a closed shape with a narrower lateral width than the reflection projection mechanism section 10 in the front, rear, left and right lower portions. In the upper part of the projection mechanism unit 9, an opening having a rectangular shape in plan view surrounded by the front cover 7 and the projection apparatus housing 2 is formed. In other words, the internal space of the projection mechanism unit 9 and the reflecting mirror storage chamber 12 form one space that is open and continuous with each other.

  Next, so that the screen 5 covers the front opening of the reflection projection mechanism unit 10, the back surface of the peripheral portion of the screen 5 is the front surface of the peripheral wall 15 of the reflection projection mechanism unit 10 and the front surface of the upper wall 33 of the front cover 7. And the front surface of the peripheral wall of the gaming component cover 30 are stacked and contacted from the front side. Each of the front surface of the peripheral wall 15 of the reflection projection mechanism unit 10 on which the screen 5 is mounted, the front surface of the upper wall 33 of the front cover body 7, and the front surface surrounding the front opening in the game component cover portion 30 are the front cover body. 7 is attached to the housing body 6 so that it is positioned in one vertical plane. The front support wall 55 of the left screen support 54 is disposed so as to face the front surface of the left side of the screen 5, and the support front wall 55 of the right screen support 54 faces the front surface of the right side of the screen 5. The fitting portion 58 of the screen support 54 is individually arranged on the screen attachment portion 16 via the relief portion 48 of the screen 5. Thereafter, a set screw 69 such as a tapping screw is individually fastened from the front side of the screen support 54 to the internal hole of the screen attachment portion 16 via the attachment hole 57. As a result, the screen 5 is attached to the reflection projection mechanism 10 by the left and right screen supports 54, and the support side walls 56 of the left and right screen supports 54 are located outside the joint between the screen 5 and the peripheral wall 15 of the reflection projection mechanism 10. Coating.

  In this manner, the focus adjustment of the projection lens 66 is performed in the form in which the projector 3, the reflecting mirror 4, and the screen 5 are attached to the housing body 6. For this purpose, DC power is supplied to the liquid crystal display 65 of the projector 3 to display a test image, and AC power is supplied to the projection light source 64 of the projector 3. As a result, the projection light source 64 of the projector 3 irradiates the liquid crystal display 65 on which the image is displayed, the projection light is magnified by the projection lens 66 of the projector 3, and the magnified projection light is reflected. The test image reflected on the front side by the mirror 4 and displayed on the screen 5 by the liquid crystal display 65 is enlarged and projected. In that state, for example, the operator puts his hand into the projection mechanism unit 9 from the front side of the front covering body 7 via the work opening 37, and rotates the projection lens 66 of the projector 3. The operator performs focus adjustment so that the test image displayed on the screen 5 is in a focused state. Thereafter, the work opening 37 is closed with the lid 8.

  When the work opening 37 is closed with the lid 8, the hook 41 of the lid 8 is inserted into the hook receiving groove 38 from the front side, and the projection 43 is inserted into the projection receiving hole 40. Is attached to the work opening 37, the back surface of the peripheral edge of the lid body 8 comes into contact with the lid receiving portion 39, and the hook 41 crosses the hook receiving groove 38 to the back side of the upper covering portion 27 around the hook receiving groove 38. The lid 8 is engaged with the back surface, and the work opening 37 is closed and attached to the front cover 7. As a result, the screen 5 covers the front opening of the reflection projection mechanism 10 that is open on the front side, so that the projector 3, the reflector 4, and the screen 5 are assembled to the box-shaped projection apparatus housing 2. The projection apparatus 1 formed on the body is configured as shown in FIG. In the projection apparatus 1, the projection mechanism unit 9 and the reflection projection mechanism unit 10 are formed in a sealed space in which the front opening of the housing body 6 is closed by the screen 5, the front cover 7, and the lid 8. The

  The projection device 1 is attached to the gaming machine frame 71 as follows. In the projection apparatus 1, the screen support 54, the screen 5, and the upper cover portion 27 of the front cover 7 are stored in the central opening 96 from the back side of the movable frame 75, and the front surface of the screen support 54 is the game main body storage chamber 95. Located in the same plane as the front surface of the back wall. Then, the projection device 1 is attached to the movable frame 75 by attaching the device attachment portion 13 of the projection device 1 to the game main body storage structure 78 of the movable frame 75 from the back side of the movable frame 75. The gaming board 110 is attached to the gaming machine frame 71 having the projection device 1 as follows. The game area 112 of the game board 110 is directed to the front side, the game board 110 is inserted into the game main body storage chamber 95 from the front side of the game machine frame 71, and the lower part of the game board 110 is the upper surface of the game main body shelf 103 in the game machine frame 71. And the left side of the game board 110 is sandwiched from the front and rear by the game main body receiving part 98 and the game main body pressing part 97 of the gaming machine frame 71, and then the right side of the game board 110 is pushed rearward. The lock operation portion 101 of the game subject lock mechanism 99 in the machine frame 71 is inserted from the rear side into the lock insertion hole 124 of the attachment portion 123 of the game board 110 and protrudes to the front side, and the back surface of the attachment portion 123 around the lock insertion hole 124. When the operator rotates the lock operation unit 101, for example, 90 degrees to the right, for example, in a state where the player makes contact with the front surface of the base 100 of the game subject lock mechanism 99, the lock operation unit 101 Engage the front and of the mounting portion 123 in the surrounding rock insertion hole 124, the game board 110 is attached to the movable frame 75. When the game board 110 is attached to the movable frame 75, the general winning component 132, the starting winning component 134 and the variable winning component 135 are arranged on the front side of the upper covering portion 27 located below the screen 5 of the projection device 1. The center ornament 131, the operation winning component 133, the game nail 136 and the windmill 137 are arranged on the front side of the screen 5 of the projection apparatus 1. After the game board 110 is attached, the movable frame 75 is closed, and the front ball tray structure 82 and the panel frame 81 in the gaming machine frame 71 are closed.

  In this state, when the ball is put in the ball storage section 90 of the ball tray structure 82 and the player operates the firing operation mechanism 91 on the front surface of the gaming machine frame 71, the firing mechanism 105 of the gaming machine frame 71 is moved to the ball storage section. The balls supplied from 90 are fired one by one into the game area 112 of the game board 110 with a firing force corresponding to the operation amount of the firing operation mechanism 91. The ball fired in the game area 112 can be changed in flow by the center decoration 131, the game nail 136, or the windmill 137, and wins one of the general winning component 132, the operating winning component 133, and the starting winning component 134. In addition, as a result of winning the operation winning component 133, the blade 138 of the start winning component 134 is opened and closed. As a result of winning the start winning component 134, the opening / closing body 139 of the variable winning component 135 opens and closes, and the ball wins the variable winning component 135 from the game area 112 while the opening / closing body 139 is opened. As a result of these winnings, the payout mechanism 128 of the gaming machine frame 71 pays out a ball as a winning ball from the tank 129 on the back side of the gaming machine frame 71 to the ball storage unit 90 on the front side of the gaming machine frame 71.

  Then, as shown in FIG. 6, the liquid crystal display 65 of the projector 3 electrically displays an image, and the projection light source 64 of the projector 3 applies light to the liquid crystal display 65 where the image is electrically displayed. The projected light is magnified by the projection lens 66 of the projector 3, and the magnified projected light is reflected to the front side by the reflecting mirror 4 to display the image displayed on the liquid crystal display 65 over the entire area of the screen 5. The enlarged image is projected, and the image projected on the screen 5 by the player from the front side of the gaming machine frame 71 is closed. The front panel 84 of the panel frame 81, the round opening 114 of the game board 110, and the light transmitting synthetic resin. It can be seen through a plate-like structure 113 made of A symbol L in FIG. 6 indicates projection light emitted from the projector 3.

  With reference to FIG. 1, the structure of the gaming component cover 30 in the projection device 1 attached to the gaming machine frame 71 will be described in detail. The gaming component cover 30 has an asymmetric shape. In other words, the left side wall 30a of the gaming component cover 30 is a slope that gradually inclines to the left side from the back wall 30c of the gaming component cover 30 toward the front side. The right side wall 30b of the gaming component cover 30 is a slope that gradually inclines to the right side from the back wall 30c of the gaming component cover 30 toward the front side. The inclination angle θ1 of the right side wall 30b with respect to the back wall 30c and the upper covering portion 27 is larger than the inclination angle θ2 of the left side wall 30a with respect to the back wall 30c and the upper covering portion 27. Hereinafter, the inclination angle θ1 of the right side wall 30b with respect to the back wall 30c and the upper covering portion 27 is referred to as the inclination angle θ1 of the right side wall 30b, and the inclination angle θ2 of the left side wall 30a with respect to the back wall 30c and the upper covering portion 27 is This is referred to as an inclination angle θ2 of 30a. Therefore, when the game board 110 is mounted in the game main body storage chamber 95 of the movable frame 75 to which the projection device 1 is attached, the left side of the game board 110 is the game machine frame 71 as shown in FIG. After being sandwiched in the front-rear direction by the game main body receiving unit 98 and the game main body pressing unit 97, the right side of the game board 110 is pushed rearward as indicated by the arrow F, so that the game board 110 and the game main body reception unit 98 are played. The left side portion sandwiched between the main body pressing portion 97 from the front and rear directions is rotated to the rear side with the center of rotation as the center of rotation. Further, as shown in FIG. 1 b, when the right side portion of the game board 110 is pushed rearward, the back projecting portion 144 of the start winning component 134 in the game board 110 enters the internal space of the game part cover 30. The gathering bar 140 of the game board 110 is placed away from the front side of the upper cover part 27, and the lock operation part 101 of the movable frame 75 is inserted into the lock insertion hole 124 of the game board 110 from the rear side and protrudes to the front side. After that, the lock operation portion 101 is rotated 90 degrees to engage with the front surface of the attachment portion 123 around the lock insertion hole 124, and the game board 110 is attached to the movable frame 75.

  According to this best mode, the left side portion of the game board 110 is fitted into the game main body storage chamber 95 of the gaming machine frame 71, and the right side portion of the game board 110 is pushed from the front side to the rear side. Even if the gaming board 110 is attached to and detached from the gaming machine frame 71 having the projection device 1 by rotating from the front side to the rear side with the fitted left side as the rotation center, the right side wall 30b Since the inclination angle θ1 is larger than the inclination angle θ2 of the left side wall 30a and the game component cover 30 is asymmetrical, the left side of the game board 110 is pressed against the game main body receiving portion 98 and the game main body press. The right side of the game board 110 is pushed rearward, and the game board 110 is centered on the left side sandwiched between the game main body receiving part 98 and the game main body pressing part 97 from the front-rear direction. As the back side rotates When stored in the game main body storage chamber 95, the back protruding portion 144 of the start winning component 134 is taken into the game component cover 30 without contacting the game component cover 30.

  With reference to FIG. 1c, an advantage when the inclination angle θ1 of the right side wall 30b is larger than the inclination angle θ2 of the left side wall 30a will be considered. The left side portion of the gaming board 110 is fitted into the game main body storage chamber 95 of the gaming machine frame 71, and the right side portion of the gaming board 110 is pushed from the front side to the rear side, whereby the gaming board 110 rotates the left side portion where the gaming board 110 is fitted. When a structure that rotates from the front side to the rear side as a center is adopted, and the projection part 1 is provided with a game part cover 30 for covering the back protruding part 144 protruding from the rear side of the game board 110 to the rear side. The lateral width of the opening opened to the front side of the game component cover 30 is formed by the left and right side walls 30a; 30b, and the left side wall 30a located on the rotation center side of the game board 110 is provided at a short distance from the back projecting portion 144. However, the right side wall 30b located on the side of the mounting portion 123, which is the opposite side of the rotation center side of the game board 110, must be provided at a long distance from the back protruding portion 144 so as not to contact the rotating back protruding portion 144. Not not. In such a structural situation, in the best mode, the inclination angle θ2 of the left side wall 30a is such that the upper covering portion 27 and the lower covering portion 28 shown in FIG. In the case of forming in the form, the inclination angle necessary for releasing the protrusion in the mold for forming the internal space 30e of the game part cover 30 from the internal space 30e to the front side after molding, for example, , About 88 degrees. The inclination angle θ1 of the right side wall 30b is set to 100 degrees, for example. The light reflected from the projection light source 64 shown in FIG. 5 through the liquid crystal display 65 and the projection lens 66 electrically displaying an image and reflected to the front side by the reflecting mirror 4 is an optical path L1 shown in FIG. To reach the screen 5 via.

  1 is shown in FIG. 1c when the left side portion sandwiched from the front and rear direction by the game main body receiving portion 98 and the game main body pressing portion 97 shown in FIG. The back projecting portion 144 indicated by the solid line does not contact in the process of moving as indicated by the dotted line via the trajectory indicated by the arrow X, and is indicated by the phantom line from the intersection P1 between the screen 5 and the right side wall 30b of the gaming component cover 30. The right side wall 30f is extended rearward at the same inclination angle as the inclination angle θ2 of the left side wall 30a, and the back wall 30g indicated by a virtual line is extended to the right side from the back wall 30c indicated by the solid line, and the back wall indicated by the virtual line 30 g and the right side wall 30 f indicated by the imaginary line are connected to each other. In this case, the light reflected from the reflecting mirror 4 through the liquid crystal display 65 and the projection lens 66 electrically displaying an image from the projection light source 64 shown in FIG. To the screen 5 via the optical path L2 shown in FIG. Further, the light from the reflecting mirror 4 passing through the optical path L1 is blocked by the back wall 30g indicated by a virtual line and does not reach the screen 5. Therefore, in the case of the proportionality, a shadow is generated on a portion A between the intersection point P2 where the light passing through the optical path L2 reaches the screen 5 and the intersection point P1, that is, on the right side of the gaming part cover 30. In the case of the best mode, since such a shadow does not occur, there is an advantage that an image is appropriately displayed on the screen 5.

  The inclination angle θ2 of the left side wall 30a is not limited to 88 degrees. The inclination angle θ1 of the right side wall 30b is not limited to 100 degrees. Although not shown, the game main body pressing portion 97 and the game main body receiving portion 98 of the gaming machine frame 71 shown in FIG. 1 or 2 are replaced with hinge members, and a hinge member is provided on the right side of the game board 110, The game board 110 may be rotated and stored in the game main body storage chamber 95 by fitting the hinge member of the game board 110 and the hinge member of the gaming machine frame 71 together.

FIG. 4A is a schematic plan view showing an initial state in which the game board is mounted on the gaming machine frame to which the projection device is attached, and FIG. b is a final state in which the game board is attached to the gaming machine frame to which the projection device is attached. A schematic plan view, c is a schematic plan view showing the best mode and the proportionality (best mode). The disassembled perspective view (best form) which shows the game machine frame and game board in which the projection apparatus was attached. The perspective view which shows the back side of a game board (best form). The disassembled perspective view which shows a projection apparatus (best form). The perspective view which shows the external appearance of a projection apparatus (best form). The schematic diagram (best form) which shows the relationship between a game board, a projection apparatus, and a game machine frame.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Projection apparatus 3 Projector 4 Reflector 5 Screen 30 Game part cover part 30a Left side wall 30b Right side wall 64 Projection light source 65 Liquid crystal display 66 Projection lens 71 Game machine frame 95 Game main body storage room 96 Central opening part 110 Game board 144 Back Projection portion θ1 Inclination angle of right side wall 30b θ2 Inclination angle of left side wall 30a

Claims (1)

A gaming machine frame is provided with a gaming main body storage chamber opened on the front side for storing a game board constituting the main gaming body, and a central opening formed in the rear wall of the gaming main body storage chamber in the front-rear direction and projected. The projection light that is emitted from the projector's projection light source to the liquid crystal display on which the image is displayed is magnified by the projection lens of the projector, reflected to the front side by the reflecting mirror, and displayed on the screen by the liquid crystal display. A screen of a projection device that projects an enlarged screen is provided on the back side of the gaming machine frame so as to correspond to the central opening, and the left side of the gaming board is fitted into the gaming main body storage room of the gaming machine frame, and the right side of the gaming board There by game board is pushed from the front side to the rear side is entirely rotated from the front to the rear as the center of rotation of the left side fitted above, the game board is provided with a projecting device mounted et the to the gaming machine frame in a pachinko machine, the light-shielding synthetic resin A game component covering portion which is open on the front side provided having a left wall and the right side wall and the upper wall and the rear wall for concealing the back projecting portion projecting rearward are more formed from the rear surface of the game board, the The game part cover has a configuration in which a rear surface of the peripheral part of the escape part formed on the screen as a part escaped from the front opening of the game part cover and a front surface surrounding the front opening of the game part cover are overlapped. The left side wall located on the side of the center of rotation of the board is a slope that gradually inclines to the left side from the rear side to the front side, and the right side wall located on the opposite side of the center of rotation of the game board in the gaming part cover is rear has become a slope gradually inclined to the right toward the front side from the pachinko machine inclination angle of the right side wall is provided with a projection and wherein the kite is larger than the inclination angle of the left side wall.

Images