JP4826762B2 - Pachinko machine - Google Patents

Description

  The present invention relates to a pachinko gaming machine provided with a symbol display on which a video of a symbol game for notifying a player of a big hit or miss is displayed.

Some of the pachinko gaming machines have a configuration in which a control circuit for controlling display contents of a symbol display and a container-like cover having an open front are joined to the back of the game board. The cover has a rear plate and a peripheral plate surrounding the rear plate, and covers the control circuit from the rear so that the control circuit cannot be touched illegally. In the case of this configuration, a plurality of components are arranged so as to surround the control circuit behind the game board, and at least a part of the plurality of components faces the peripheral plate of the cover from the front.
JP-A-7-303750

  In the case of the pachinko gaming machine, for example, when the pachinko gaming machine is transported, when the pachinko gaming machine falls backward, the cover collides with the front part. For this reason, the front part is directly deformed or damaged by the impact force from the cover, or another part is deformed or damaged based on the impact force being transmitted from the front part to another part such as an electronic part. There is a fear.

  The present invention has been made in view of the above circumstances, and an object thereof is to prevent parts from being deformed or damaged by an impact force based on the fact that a pachinko gaming machine falls backward.

1. Description of Pachinko gaming machine according to claim 1 The pachinko gaming machine according to claim 1 is characterized in that it includes [1] game board to [11] non-contact portion.
[1] The game board has a game area in which a game ball can roll. Reference numeral 21 in FIG. 3 is an example of a game board, and reference numeral 31 in FIG. 3 indicates a game area of the game board 21.
[2] The symbol display is provided on the game board, and reference numeral 45 in FIG. 3 is an example of the symbol display.
[3] The control circuit is provided at the rear of the game board, and displays a video of the symbol game for notifying the player of the big hit and miss on the symbol display. The symbol control circuit 47 in FIG. 4 is an example of a control circuit. FIG. 6 shows an example of a decorative symbol game image displayed on the symbol display 45 by the symbol control circuit 47. The decorative symbol game image corresponds to a graphic game image.
[4] The storage tray is provided in front of the game board, and stores a game ball for launching in the game area of the game board. The upper plate 19 in FIG. 1 is an example of a storage plate.
[5] The ball supply mechanism is provided behind the game board, and supplies the game balls into the storage tray. The prize ball payout device 42 in FIG. 4 is an example of a ball supply mechanism.
[6] The tank rail is provided behind the game board and above the control circuit, and allows game balls to flow through the ball supply mechanism. Reference numeral 40 in FIG. 4 is an example of a tank rail.
[7] The ball tank is provided behind the game board and above the tank rail, and stores game balls to be supplied to the tank rail. Reference numeral 39 in FIG. 4 is an example of a ball tank.
[8] The cover is provided behind the game board so as to cover the control circuit from behind, and the center cover 51 of FIG. 7 is an example of the cover. This cover has a rear plate and a peripheral plate surrounding the rear plate. Reference numeral 52 in FIG. 8 is an example of the rear plate, and reference numeral 53 in FIG. 8 is an example of the peripheral plate.
[9] The left joint is provided on the left side of the peripheral plate of the cover and is joined to the rear of the game board. The left plate 55 in FIG. 8 is an example of a left joint.
[10] The right joint is provided on the right side of the peripheral plate of the cover and is joined to the rear of the game board. The right plate 56 in FIG. 8 is an example of a right joint.
[11] The non-contact portion is provided at the upper end portion of the peripheral plate of the cover, and is opposed to the ball tank or the tank rail from behind via a gap. Reference numeral 67 in FIG. 10C is an example of a non-contact portion that faces the tank rail 40 from behind via a gap 68. When this pachinko gaming machine falls backward, the cover is displaced so as to rotate around the left joint and the right joint, and the upper end of the cover's peripheral plate farthest from the lower end of the pachinko gaming machine is displaced. The greatest impact force is applied. Since the upper end portion of the peripheral plate is disposed opposite to the front ball tank or the front tank rail via a gap, the upper end portion of the peripheral plate is difficult to contact the ball tank or the tank rail, or the peripheral plate The impact force when the upper end of the ball contacts the ball tank or tank rail is weakened. Therefore, the ball tank or tank rail can be prevented from being directly deformed or damaged by the impact force from the cover. It is also possible to prevent the parts from being deformed or damaged.
2. Description of the pachinko gaming machine according to claim 2 The pachinko gaming machine according to claim 2, wherein a rubber elastic member is provided in a gap between the ball tank and the non-contact part or a gap between the tank rail and the non-contact part. It has the characteristics. Therefore, the impact force mitigating effect directly applied from the cover to the ball tank or tank rail and the indirect impact force mitigating effect from the ball tank or tank rail to another component such as an electronic component are greatly impaired. In addition, foreign matter such as dust can be prevented from entering the inside of the cover from the gap between the ball tank and the non-contact portion or the gap between the tank rail and the non-contact portion. The cushion part 69 of FIG. 11 is an example of an elastic member.
3. Description of the pachinko gaming machine according to claim 3 In the pachinko gaming machine according to claim 3, the left joint is joined to the back of the game board via a rubber left elastic member, and the right joint is made to the rubber behind the game board. It is characterized by being joined via a right elastic member made of metal. For this reason, each of the impact force applied to the left joint and the right joint when the pachinko machine falls backward is alleviated, so each of the left joint and right joint is deformed by the impact force. Or it can prevent that it breaks. The right cushion plate 63 in FIG. 9 is an example of a right elastic member, and the left cushion plate 64 in FIG. 9 is an example of a left elastic member.

  The outer frame 1 in FIG. 1 is installed on the Taishima island of the pachinko hall. This outer frame 1 is constructed by joining wood in a square tube shape with front and rear surfaces opened, and a front end surface of the outer frame 1 has a horizontally long rectangular curtain plate 2 positioned at the lower end. It is fixed. As shown in FIG. 2, an inner frame 3 is mounted on the outer frame 1 so as to be rotatable about a vertical shaft 4 on the left side. The inner frame 3 is operated to rotate around the shaft 4 in a closed state that covers the front surface of the outer frame 1 and an open state that opens the front surface of the outer frame 1, and FIG. Shown in state. The inner frame 3 has a rectangular tube shape whose front and rear surfaces are open. Speakers 5 are fixed to the inner frame 3 at the upper left corner and the upper right corner, respectively.

  A horizontally long base plate 6 is formed at the lower end of the inner frame 3, and a launch rail 7 is fixed to the front surface of the base plate 6. The firing rail 7 has an inclined shape that rises from right to left, and has a V-shaped cross section. A stopper base 8 is formed at the right end of the firing rail 7. The stopper base 8 has a flat plate shape orthogonal to the firing rail 7. The stopper base 8 is formed with a penetrating hitting hole located at the lower end portion and positioned above the hitting hole. A shaped stopper 8a is fixed.

  A columnar firing solenoid 9 is fixed to the front surface of the base plate 6 below the firing rail 7. This firing solenoid 9 is a rotary solenoid and has an output shaft extending in the front-rear direction. A ball striking rod 10 is connected to the output shaft of the firing solenoid 9, and when the firing solenoid 9 is in an off state, the ball striking rod 10 is rotated to a standby position (see a solid line in FIG. 2) away from the firing rail 7. When the firing solenoid 9 is in the on state, the hitting ball 10 is turned to the hitting position (see the two-dot chain line in FIG. 2) approaching the firing rail 7. A projecting hitting ball portion 11 is formed at the tip of the hitting ball rod 10, and the hitting ball portion 11 passes through the hitting hole of the stopper 8 based on the hitting operation of the hitting ball rod 10 to the hitting position. The ball enters the upper side and retreats from the firing rail 7 on the basis that the hitting ball 10 is turned to the standby position.

  As shown in FIG. 2, a horizontally long rectangular bottom plate 12 is fixed to the front side of the inner frame 3 so as to be located above the curtain plate 2. The lower plate 12 is disposed in front of the base plate 6, and a lower plate 13 is fixed to the front surface of the lower plate 12. The lower tray 13 stores game balls and has a container shape with an open upper surface. A handle base 14 is arranged on the right side of the lower plate 13. The handle base 14 is fixed to the front surface of the lower plate 12, and a firing handle 15 is attached to the handle base 14. The firing handle 15 is pivotable about an axis extending in the front-rear direction. When the firing handle 15 is pivoted clockwise from a predetermined original position, a driving power is supplied to the firing solenoid 9. Is applied, the hitting ball 10 repeats reciprocation between the standby position and the hitting position.

  As shown in FIG. 1, the front frame 16 is mounted on the front side of the inner frame 3 so as to be rotatable about a vertical shaft 17 on the left side, and the lower plate 12 is located below the front frame 16. Has been placed. The shaft 17 of the front frame 16 is set in front of the shaft 4 of the inner frame 3, and the front frame 16 is in a closed state in which the front surface of the inner frame 3 is closed and in an open state in which the front surface of the inner frame 3 is opened. It is possible to rotate around the shaft 17. A circular speaker cover 18 is fixed to each of the upper left corner and upper right corner of the front frame 16, and the speaker cover 18 at the upper left corner is in the upper left corner of the inner frame 3 when the front frame 16 is closed. The speaker cover 18 at the upper right corner is disposed in front of the speaker 5 at the upper right corner of the inner frame 3 with the front frame 16 closed.

  As shown in FIG. 1, an upper plate 19 corresponding to a storage plate is fixed to the front surface of the front frame 16. The upper plate 19 stores game balls and has a container shape with an open top surface. The game balls in the upper plate 19 are transferred one by one from the upper plate 19 to the right end portion on the firing rail 7, and the stopper base 8 is transferred to the right end portion on the firing rail 7. The game ball is prevented from falling from the right end portion of the firing rail 7 based on the locking. In this state, the game ball comes into contact with three points of the front side portion of the firing rail 7, the rear side portion of the firing rail 7, and the lower end portion of the stopper 8a. The transfer of the game ball is carried out by a transfer mechanism electrically in conjunction with the rotation of the hitting ball 10 from the hitting position to the standby position, and the hitting ball 11 of the hitting ball 10 is moved from the standby position. A game ball that is locked by the stopper base 8 is struck through a struck hole based on the rotation to the striking position, and the game ball struck by the striking portion 11 rolls from the right to the left along the firing rail 7 and then the firing rail. 7 is fired from the left end.

  As shown in FIG. 2, the inner frame 3 is formed with a space-like game board storage portion 20 located above the base plate 6, and the game board storage portion 20 has a space as shown in FIG. In addition, a game board 21 is stored. The game board 21 is made of a transparent synthetic resin plate, and an inner rail 22, an outer rail 23, and a ball stopper member 24 are fixed to the front surface of the game board 21, respectively. The inner rail 22 has an arc shape with an open top surface, the outer rail 23 is disposed on the outer periphery of the inner rail 22, and the ball stopper 24 is between the right end of the inner rail 22 and the right end of the outer rail 23. The gap is closed.

  An arcuate launch passage 25 is formed between the inner rail 22 and the outer rail 23 on the left side, an outlet 26 is formed at the upper end of the launch passage 25, and at the lower end of the launch passage 25. Is formed with an inlet 27. This entrance 27 is opposed to the left end of the launch rail 7 via a gap-like ball collection port 28, and when the game ball is launched from the left end of the launch rail 7 with a strong force exceeding the limit value, the ball collection port After jumping over 28 and entering the entrance 27 of the launch passage 25, it rises while drawing an arcuate trajectory along the launch passage 25 and is then discharged from the exit 26. The ball collection port 28 is connected to the lower plate 13 via a ball collection passage, and when the game ball is launched from the left end of the launch rail 7 with a weak moment below the limit value, it falls into the ball collection port 28. Then, it is discharged from the ball collection port 28 into the lower plate 13 through the ball collection passage.

  As shown in FIG. 1, a circular through hole 29 is formed in the front frame 16. A transparent window 30 is fixed to the inner peripheral surface of the through hole 29, and the window 30 covers the game area 31 of the game board 21 from the front so as to be visually recognizable when the front frame 16 is closed. As shown in FIG. 3, the game area 31 refers to a circular portion excluding the firing path 25 in the area surrounded by the inner rail 22, the outer rail 23, and the ball stopper member 24. This corresponds to the maximum range in which the game balls released from the outlet 26 can roll. A plurality of obstacle nails are fixed in the game area 31, and the game balls released from the outlet 26 of the launch passage 25 into the game area 31 roll in the game area 31 while hitting the obstacle nails.

  In the game area 31 of the game board 21, a start port 32 and a special winning port 33 are fixed. The start port 32 has a pocket shape with an open top surface, and a game ball that rolls in the game area 31 can enter the start port 32 from the top surface. The special winning opening 33 has a rectangular tube shape with an open front. A door 34 is attached to the special prize opening 33 so as to be rotatable about a horizontal shaft 35 at the lower end, and the door 34 is connected to a special prize opening solenoid. This door 34 closes the front of the special winning opening 33 in a non-winning state based on the fact that the special winning opening solenoid is in a vertical closed state when the power is cut off, and FIG. 3 shows the door 34 closed. Is shown. The door 34 rotates in an open state where the special winning opening solenoid is energized and falls forward horizontally. When the door 34 is open, a game ball rolling in the game area 31 rides on the door 34. Rolling into the special winning opening 33 from the front is allowed. An out hole 36 is formed in the game area 31 of the game board 21. The out hole 36 is arranged at the lowest part of the inner rail 22, and the game balls that have not won any of the start opening 32 and the special winning opening 33 are arranged along the inner rail 22 in the out hole 36. Roll in.

  As shown in FIG. 4, a rear frame 37 is mounted on the rear surface side of the inner frame 3 so as to be rotatable about a vertical shaft 38 on the left side. The rear frame 37 is rotated about a shaft 38 between a closed state covering the rear surface of the inner frame 3 and an open state opening the rear surface of the inner frame 3, and FIG. 4 closes the rear frame 37. Shown in state. As shown in FIG. 5, a spherical tank 39 is joined to the rear surface of the rear frame 37 at the upper end. The ball tank 39 has a container shape whose upper surface is open, and a game ball is stored in the ball tank 39. The ball tank 39 is connected to the right end of the tank rail 40. The tank rail 40 has an inclined shape that descends from right to left, and is joined to the rear surface of the rear frame 37 so as to be positioned below the ball tank 39.

  A duct-shaped prize ball passage 41 is joined to the rear surface of the rear frame 37 at the left end. The upper end portion of the prize ball passage 41 is connected to the left end portion of the tank rail 40, and the lower end portion of the prize ball passage 41 is connected to the prize ball payout device 42. The prize ball passage 41 is filled with game balls in the ball tank 39 through the tank rail 40, and the game balls in the prize ball passage 41 are stored in the upper plate 19 based on the driving of the prize ball payout device 42. Will be paid out as a prize ball. The prize ball payout device 42 is joined to the rear surface of the rear frame 37, and performs a game ball payout operation using a stepping motor as a drive source. The prize ball payout device 42 corresponds to a ball supply mechanism.

  A right control circuit box 43 is joined to the rear surface of the rear frame 37 at the lower end, and a prize ball control circuit is accommodated in the right control circuit box 43. This prize ball control circuit is composed mainly of a microcomputer, and drives and controls the stepping motor of the prize ball payout device 42 when a game ball wins one of the start opening 32 and the special winning opening 33. Based on this, the game ball is paid out into the upper plate 19. A left control circuit box 44 is joined to the rear surface of the rear frame 37 so as to be located to the left of the right control circuit box 43, and the main control circuit is accommodated in the left control circuit box 44. This main control circuit is mainly composed of a microcomputer, and performs a process of determining whether or not a big hit is made based on the winning of a game ball in the start port 32. A big hit game that opens the special winning opening 33 based on the drive control is performed.

  As shown in FIG. 3, a symbol display unit 45 is joined to the rear side of the game board 21, and the symbol display unit 45 is disposed between the game board 21 and the rear frame 37 when the rear frame 37 is closed. The The symbol display 45 is composed of a liquid crystal display, and the display area of the symbol display 45 is made visually recognizable through both the window 30 of the front frame 16 and the game board 21 from the front. As shown in FIG. 4, a central control circuit box 46 is joined to the rear side of the symbol display 45. The central control circuit box 46 is housed in the opening of the rear frame 37. The central control circuit box 46 houses a symbol control circuit 47, and each of the ball tank 39 and the tank rail 40 has a symbol control circuit. 47 is disposed above. This symbol control circuit 47 is mainly composed of a microcomputer, and when the main control circuit determines a big hit, an image of a decorative symbol game for notifying the player that the big hit has been determined is displayed on the symbol display 45. When the main control circuit determines a disconnection, an image of a decorative symbol game that notifies the player that the disconnection has been determined is displayed in the display region of the symbol display 45. The symbol control circuit 47 corresponds to a control circuit.

  FIG. 6 shows an example of a decorative design game image displayed on the display area of the design display 45 by the design control circuit 47. As shown in FIG. 6 (a), the decorative symbol game includes “1”, “2”, “3”, “4”, and “1”, “2”, “3”, “4”, “ One of the numbers “5”, “6”, “7”, and “8” is displayed in a variable stop state, and 3 as shown in FIG. Each of the symbol elements in the row is changed from the change stop state to the change state. In this variation state, eight types of symbol elements “1” to “8” arranged in a vertical row are scroll-displayed so that the display range moves in the vertical direction, and the symbol elements in each column are from top to bottom. While moving, it changes cyclically in the order of “1” → “2” → “3” → “4” → “5” → “6” → “7” → “8” → “1”. These symbol elements in the left column, the symbol elements in the middle column, and the symbol elements in the right column constitute a decorative symbol, and the decorative symbol is (c) (d) (e) or (c) (d) in FIG. ) As shown in (f), (1) the symbol elements in the left column, (2) the symbol elements in the right column, and (3) the variation stops in the order of the symbol elements in the middle column.

  The jackpot game is started when the jackpot combination is started when all of the symbol elements in the left column, the right column, and the middle row of the symbol elements are in a variable stop state, and the combination is an outlier that is different from the jackpot combination. When hit, the big hit game will not start. The jackpot combination refers to a combination in which the symbol element in the left column, the symbol element in the middle column, and the symbol element in the right column are the same, and for the jackpot combination, “111” “222” “333” “444” Eight kinds of “555”, “666”, “777”, and “888” are set.

  As shown in FIG. 5, a left seat surface 48 and a right seat surface 49 are formed on the rear frame 37. The right seat surface 49 forms a vertically long plane extending along the right side surface of the outer frame 1, and two through holes 50 are formed in the right seat surface 49. The left seat surface 48 has a planar shape that is smaller in length in the vertical direction than the right seat surface 49, and a single through hole 50 is formed in the left seat surface 48.

  As shown in FIG. 7, a container-shaped center cover 51 whose front surface is open is joined to the rear frame 37. As shown in FIG. 8, the center cover 51 has a vertical rear plate 52 and a peripheral plate 53 surrounding the rear plate 52. As shown in FIG. Each of a part of the passage 41 and a part of the prize ball payout device 42 is covered from the rear by the rear plate 52 of the center cover 51, and all of the central control circuit box 46 is covered from the rear by the rear plate 52 of the center cover 51. ing. A plurality of heat radiating holes 54 are formed in the rear plate 52 of the center cover 51, and heat generated by the symbol display 45 and heat generated by the symbol control circuit 47 are released to the outside through the plurality of heat radiating holes 54, respectively. Is done. The center cover 51 corresponds to a cover.

  As shown in FIG. 8, a left plate 55 and a right plate 56 are formed on the peripheral plate 53 of the center cover 51. The right plate 56 has a vertically long flat plate shape extending along the right side surface of the outer frame 1, and two through holes 57 are formed in the right plate 56. The left plate 55 has a flat plate shape that is smaller in length in the vertical direction than the right plate 56, and one through hole 57 is formed in the left plate 55. The left plate 55 corresponds to the left joint, and the right plate 56 corresponds to the right joint.

  As shown in FIG. 9, the plunger 60 of the ny latch 59 is inserted into each through hole 57 of the right plate 56, and each plunger 60 is inserted into the through hole 50 of the right seat surface 49. Each plunger 60 has a columnar shape, and a head 61 having a larger diameter than the plunger 60 is formed at the rear end of each plunger 60. Grommets 62 are joined to the outer peripheral surfaces of the plungers 60. Each of these grommets 62 can be elastically deformed between the expanded diameter state and the contracted diameter state, and the peripheral portion of the through hole 50 of the right seat surface 49 based on the fact that the diameter is expanded in front of the right seat surface 49. The right plate 56 is joined to the right seat surface 49 by the engaging force of each grommet 62. A right cushion plate 63 made of rubber is interposed between the right seat surface 49 and the right plate 56, and the right seat surface 49 and the right cushion plate 63 come into contact with each other by the engaging force of each grommet 62, and the right plate. 56 and the right cushion plate 63 are in contact with each other by the engaging force of each grommet 62. The right cushion plate 63 corresponds to a right elastic member.

  As shown in FIG. 9, the plunger 60 of the ny latch 59 is inserted into the through hole 57 of the left plate 55, and the plunger 60 is inserted into the through hole 50 of the left seat surface 48. The grommet 62 of the ny latch 59 is engaged with the peripheral edge portion of the through hole 50 of the left seat surface 48 based on the diameter expansion state in front of the left seat surface 48, and the left plate 55 is It is joined to the seating surface 48. A rubber left cushion plate 64 is interposed between the left seat surface 48 and the left plate 55. The left seat surface 48 and the left cushion plate 64 come into contact with each other by the engaging force of the grommet 62, and the left plate 55. The left cushion plate 64 is in contact with each other by the engaging force of the grommet 62. The left cushion plate 64 corresponds to a left elastic member.

  The center cover 51 is joined to the rear frame 37 via a plurality of nai latches 59, and when an operator grips and pulls the head 61 of each nai latch 59, the grommet 62 of each nai latch 59 is inserted into the through hole 50. Based on being pressed by each of the inner peripheral surface and the inner peripheral surface of the through hole 57, the diameter-expanded state is changed to the reduced-diameter state, and the plunger 60 of each ny latch 59 together with the grommet 62 has each of the through-hole 50 and the through-hole 57. Extracted from. The center cover 51 is removed from the rear frame 37 by removing all the ny latches 59. The plungers 60 of all the ny latches 59 are pushed again into the through holes 57 and the through holes 50, respectively. It is attached to the frame 37 again. That is, the center cover 51 is detachably attached to the rear side of the game board 21 through a plurality of ny latches 59.

  As shown in FIG. 8, a right presser portion 65 and a left presser portion 66 are formed on the peripheral plate 53 of the center cover 51 so as to be positioned on the front end surface. As shown in FIG. 10A, the right presser portion 65 is in contact with the rear surface of the right control circuit box 43, and the right control circuit box 43 moves backward based on the contact with the right presser portion 65. Shaking is prevented. As shown in FIG. 10B, the left presser portion 66 is in contact with the rear surface of the left control circuit box 44, and the left control circuit box 44 moves backward based on the contact with the left presser portion 66. Shaking is prevented.

  A non-contact portion 67 is formed on the peripheral plate 53 of the center cover 51 as shown in FIG. The non-contact portion 67 refers to all remaining portions of the front end surface of the peripheral plate 53 except for the left plate 55, the right plate 56, the right presser portion 65, and the left presser portion 66. Each of the rail 40, the prize ball passage 41, and the prize ball payout device 42 faces the non-contact portion 67 of the center cover 51 through the gap 68 from the front.

According to the said Example 1, there exists the following effect.
Since the center cover 51 is joined to the rear side of the game board 21 by the left plate 55 and the right plate 56, when the outer frame 1 falls backward when the pachinko gaming machine is transported, the center cover 51 is moved to the left plate 55 and the right plate 56. Each of the right plates 56 is displaced so as to rotate about the center, and the largest impact force acts on the upper end portion of the peripheral plate 53 of the center cover 51 farthest from the lower end surface of the outer frame 1. Since the upper end portion of the peripheral plate 53 is disposed opposite to the rear of the tank rail 40 via the gap 68, the upper end portion of the peripheral plate 53 is difficult to contact the tank rail 40, or the upper end portion of the peripheral plate 53 is The impact force when contacting the tank rail 40 is weakened. Therefore, the tank rail 40 can be prevented from being directly deformed or damaged by the impact force from the center cover 51, and the impact force is transmitted from the tank rail 40 to other components such as the prize ball control circuit and the main control circuit. Therefore, it is possible to prevent another part from being deformed or damaged. In addition, since the opening area of the center cover 51 is increased by the gap 68, the effect of releasing heat generated by the symbol display 45 and the symbol control circuit 47 is also enhanced.

  The left plate 55 of the center cover 51 is joined to the rear side of the game board 21 via a rubber left cushion plate 64, and the right plate 56 of the center cover 51 is joined to the rear side of the game board 21 with a rubber right cushion plate 63. It joined via. For this reason, each of the impact force applied to the left plate 55 and the impact force applied to the right plate 56 when the outer frame 1 falls backward is alleviated, so the left plate 55 and the right plate 56, and the left seat surface 48 and Each of the right seat surfaces 49 can be prevented from being deformed or damaged by an impact force.

  In the first embodiment, the upper end portion of the periphery 53 of the center cover 51 may be disposed opposite to the rear of the ball tank 39 via a gap.

  As shown in FIG. 11, a cushion portion 69 corresponding to an elastic member is formed on the peripheral plate 53 of the center cover 51. The cushion portion 69 is formed by filling the gap 68 in front of the non-contact portion 67 with silicon rubber. Of the front end surface of the peripheral plate 53, the left plate 55, the right plate 56, and the right presser portion 65 It is formed in all of the remaining portions except for each of the left presser portions 66, and the gap 68 between the tank rail 40 and the circumferential plate 53, the gap 68 between the prize ball passage 41 and the circumferential plate 53, the prize ball payout device 42 and the circumference. Each gap 68 between the plates 53 is closed by a cushion portion 69.

According to the said Example 2, there exist the following effects.
A cushion portion 69 is provided in the gap between the tank rail 40 and the non-contact portion 67. Therefore, the impact force mitigating effect directly applied from the center cover 51 to the tank rail 40 and the indirect impact force mitigating effect applied from the tank rail 40 to another part such as the main control circuit are not greatly impaired. Further, foreign matter such as dust can be prevented from entering the center cover 51 from the gap between the tank rail 40 and the non-contact portion 67.

  In the second embodiment, the upper end of the periphery 53 of the center cover 51 is disposed opposite to the rear of the ball tank 39 via a gap, and the cushion 69 is filled in the gap between the upper end of the periphery 53 and the ball tank 39. You may do it.

  In each of the first and second embodiments, a veneer game board may be used instead of the transparent game board 21. In this case, it is preferable to fix the frame in the game area of the game board and fix the symbol display 45 to the frame.

The figure which shows Example 1 (front view which shows the whole structure of a pachinko game machine) Front view showing pachinko machine with front frame and game board removed Front view showing pachinko machine with front frame removed Rear view showing pachinko machine with center cover removed Rear view showing the rear frame with the center cover removed A figure showing an image of a decorative pattern game Rear view showing overall configuration of pachinko machine (A) is a rear view showing the center cover, and (b) is a view as viewed from the arrow Xb. Sectional view along the X-ray of FIG. 7A is a sectional view taken along line Xa in FIG. 7, FIG. 7B is a sectional view taken along line Xb in FIG. 7, and FIG. 7C is a sectional view taken along line Xc in FIG. The figure which shows Example 2 (c equivalent figure of FIG. 10).

Explanation of symbols

  19 is an upper plate, 21 is a game board, 31 is a game area, 39 is a ball tank, 40 is a tank rail, 42 is a prize ball dispensing device, 45 is a symbol display, 47 is a symbol control circuit, 51 is a center cover, 52 Is a rear plate, 53 is a peripheral plate, 55 is a left plate, 56 is a right plate, 67 is a non-contact portion, 63 is a right cushion plate, 64 is a left cushion plate, and 69 is a cushion portion.

Claims (3)

A game board having a game area in which a game ball can roll;
A symbol display provided on the game board;
A control circuit that is provided behind the game board and that displays an image of a symbol game for notifying a player of a big hit or miss on the symbol display;
A storage tray provided in front of the game board and storing a game ball for launching into the game area of the game board;
A ball supply mechanism provided behind the game board and supplying game balls into the storage tray;
A tank rail that is provided behind the game board and above the control circuit, and that allows game balls to flow through the ball supply mechanism;
A ball tank provided behind the game board and positioned above the tank rail, in which game balls for supply to the tank rail are stored;
A cover provided on the back of the game board so as to cover the control circuit from behind, and having a peripheral plate surrounding the rear plate and the rear plate;
The peripheral plate of the cover is provided with a left joint that is located on the left side and joined to the back of the game board,
The peripheral plate of the cover is provided with a right joint that is located on the right side and joined to the back of the game board,
A pachinko gaming machine characterized in that the peripheral plate of the cover is provided with a non-contact portion located at an upper end portion and opposed to the ball tank or the tank rail from behind via a gap.   2. The pachinko according to claim 1, wherein a rubber elastic member is provided in a gap between the ball tank and the non-contact part or a gap between the tank rail and the non-contact part. Gaming machine. The left joint is joined to the rear of the game board via a rubber left elastic member,
The pachinko gaming machine according to any one of claims 1 to 2, wherein the right joint portion is joined to the rear of the game board via a rubber right elastic member.

Images