JPH08299560A - Back cover mounting device for ball game machine - Google Patents

Abstract

(57) [Summary] [Purpose] Even after attaching the back cover to the back side of the game board,
(EN) Provided is a back cover mounting device for a ball game machine in which a back cover can be easily attached and detached as needed. [Structure] On the back side of the game board 6, a back cover 23 that covers game parts and the like mounted on the game board 6 is provided, and on the back mechanism plate 24 that holds the game board 6 from the rear side and fixes it to the front frame 3, Back cover 23
An opening window 26 corresponding to is formed, a mounting base 44 is provided on the back surface of the game board 6, and a back cover 23 is provided on the mounting base 44.
Removably attach the attachment portion 46 of the with the screw 95.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back cover mounting device for a ball game machine such as a pachinko machine, an arrange ball machine, and a sparrow ball machine.

[0002]

2. Description of the Related Art In a conventional ball game machine, for example, an arrange ball machine, an upper ball entrance, a passage hole, a central winning device, a variable symbol display device, a right accessory operating device for increasing points, etc. on the upper part of the game board. In addition to mounting each of the game parts, the lower ball entrance device with the entrances arranged in a horizontal row is arranged below each of these game parts, and the game parts, the relay board, and the wiring on the back side of the game board. The back cover is attached with U-shaped nails or the like so as to cover them from the back side.

On the other hand, on the main body of the ball game machine, there is provided a rectangular frame-shaped outer frame and a front frame which is pivotally attached to the outer frame so that the game board can be placed behind the front frame. There is provided a three-sided frame which can be fitted in and removed from the side, and a back mechanism plate which holds and fixes the game board fitted in the three-sided frame from the rear side. Then, an opening window is formed on the back mechanism plate so that the back cover of the game board is fitted and protrudes rearward, and the prize ball tank and the prize ball tank rail are provided on the upper side of the opening window and the prize balls are provided on the side. Each is equipped with a ball payout means.

[0004]

On the back side of the game board,
Usually, a back cover is attached, and this back cover is designed to cover and protect game parts, relay boards, wiring, etc. from the back side, but conventionally, a mounting portion is formed on the outer periphery of the front end of the peripheral wall of the back cover, This mounting part is brought into contact with the back surface side of the game board, and the mounting part is fixed with a U-shaped nail or the like.

Therefore, after the back cover is once attached to the game board, the back cover cannot be removed unless the nail or the like is removed. Even if the back cover can be removed, the nail or the like is removed. Sometimes the mount is damaged and it is almost impossible to reuse the back cover.

Therefore, after assembling the game board unit,
When abnormalities such as disconnection of lead wires from game parts and damage to connectors occur, hands are inserted into the inside of the back cover from the inspection window formed on the back wall of the back cover to perform work such as repairs. That is, there is a drawback that the work becomes very troublesome.

Further, if the back cover is attached, it becomes very difficult to replace the game parts after that. Therefore, conventionally, the game board unit is assembled on the assembly line, the electric system is inspected on the inspection line, and everything is checked. After confirming that there is no abnormality, a method of attaching a back cover to the back side of the game board is adopted.

Therefore, after assembling the game board unit,
Since it is not possible to immediately attach the back cover to protect the game parts, etc., while the game board with the game parts etc. is being transferred from the assembly line to the inspection line, the lead wires of the game parts will not interfere with other obstacles. There are problems such as contact and disconnection, and there is a drawback that the original role of the back cover cannot be fully exhibited. Moreover, after the inspection of the game board unit, the back cover is struck with nails and attached to the back side of the game board, so the impact of this attachment may damage the game parts, which is also a major cause of abnormality after the inspection. There is.

Further, after an installation in a game shop, when an abnormality occurs in the game parts or the like, even if the game board is removed from the front frame for repair, the game parts are replaced from the inspection window of the back cover. However, in most cases, there is a drawback that the entire game board unit must be discarded. In view of such conventional problems, the present invention provides a back cover mounting device for a ball game machine in which the back cover can be easily attached and detached as necessary even after the back cover is attached to the back side of the game board. To aim.

[0010]

According to the present invention as set forth in claim 1, a back cover 23 for covering game parts and the like mounted on the game board 6 is provided on the back side of the game board 6, and the game board 6 is provided. In a ball game machine in which an opening window 26 corresponding to the back cover 23 is formed in a back mechanism plate 24 which is pressed from the rear side and fixed to the front frame 3, a game board
A mounting base 44 is provided on the back surface of 6, and the back cover 23 is detachably attached to the mounting base 44.

According to a second aspect of the present invention, in the first aspect of the invention, the mounting base 44 is provided in a strip shape along the side walls 47, 48, 49 of the back cover 23, and the mounting base is provided.
A fitting rib 85 protruding rearward from the mounting base 44 and into which the side wall portions 47, 48, 49 of the back cover 23 are fitted to the outside is provided on the 44 along the longitudinal direction.

According to a third aspect of the present invention, in the invention according to the first or second aspect, the mounting base 44 is provided with a mounting base portion 87 protruding rearward, and the side wall portion 4 of the back cover 23 is provided.
Notch 93 where the mounting base 87 fits on 7,48,49
And a mounting portion 46 that abuts on the top of the mounting base portion 87, and the mounting portion 46 is fixed to the mounting base portion 87 with screws 95.

The present invention according to claim 4 provides the invention according to claims 1 and 2.
Alternatively, the mounting boss portion 88 may be formed on the top side of the mounting base portion 87 so as to project to the front and rear sides, and the mounting portion 46 may be provided with a mounting recess 94 into which the mounting boss portion 88 fits. From the recess 94 to the mounting boss 88,
A screw 95 that is screwed into the substantially central portion is provided.

The present invention according to claim 5 provides the following:
In the invention described in 2, 3 or 4, a positioning recess 89 is formed in the game board 6 and a positioning recess is provided in the mounting base 44.
Forming positioning protrusion 90 to fit 89, mounting base
44 is detachably fixed to the game board 6 with screws 92.

[0015]

[Function] When the mounting base 44 is attached and placed on the back side of the game board 6 to cover the game parts and the like attached to the game board 6, the back cover 23 is detachably attached via the attachment portion 44. Therefore, the back cover 23 on the back surface of the game board 6 can be easily attached / detached as necessary, so that the back cover 23 can be attached to the game board 6 at an early point after assembly to protect the game parts and the lead wire. The occurrence of failures such as wire breakage can be minimized.

When the mounting base 44 is mounted on the game board 6, the positioning protrusion 90 is used as the positioning recess 89 of the game board 6.
To the game board with the screw 92 for the mounting base 44
Fix at 6. The mounting base 44 is a side wall of the back cover 23.
Each of the side wall portions 47, 4 of the back cover 23 is formed on the outer side of the fitting rib 85 formed on the mounting base 44 along the strips 47, 48, 49.
Fit and attach 8,49.

When fixing the back cover 23, the side wall portions 47, 4 of the back cover 23 are attached to the mounting base portion 87 of the mounting base 44.
With the cutouts 93 of 8,49 fitted together,
And are brought into contact with the top of the mounting base 87, and the mounting portion 46 is fixed to the mounting base 87 with screws 95. When the mounting portion 46 is brought into contact with the top side of the mounting base portion 87, the mounting recess portion 94 of the mounting portion 46 is fitted into the mounting boss portion 88 of the mounting base portion 87 so that the mounting recess portion 94 moves to the mounting boss portion 88. Screw the screw 95.

[0018]

Embodiments of the present invention will now be described in detail with reference to the drawings. Fig. 1 is a front view of the arranging ball machine. 1 is the arranging ball machine main body, which is a rectangular frame-shaped outer frame 2 and this outer frame.
It is composed of a front frame 3 which is pivotally attached to the front surface of 2 in a freely openable and closable manner. Openable glass door 4 and front plate on front frame 3
5 and 5 are mounted on the top and bottom, and a game board 6 is detachably mounted on the rear side of the front frame 3 corresponding to these.

On the front surface of the game board 6, there is provided a guide rail 7 for guiding the launched game balls, and a central entrance surrounded by the guide rails 7 has an upper entrance ball opening 8,
The game parts such as the lower entrance opening 9, the passage opening 10, the central winning device 11, the variable symbol display device 12, the right accessory operating device 13 for increasing the score, and the lower accessory operating device 14 are arranged. Also game board 6
A horizontally elongated opening 15 and a lower ball entrance device 16 that fits into the opening 15 from the rear side are arranged in the lower part of the lower ball entrance device 16. The lower ball entrance device 16 is covered from the front side by a lower cover 17. . An upper plate 18 is provided on the front plate 5, and a lower plate 19 and an operation handle 21 for the launcher 20 are provided on the lower part of the front frame 3, respectively.

FIG. 2 is a rear view of the arrangement ball machine,
22 is a launching motor of the launching device 20, which operates when the operating handle 21 is operated, and supplies 16 game balls from the upper plate 18 to the launch rail one by one, and guides them by hitting them with a hammer. It is designed to fire on rail 7. 23 is a back cover, which is a variable symbol display device 12 protruding to the rear side of the game board 6,
The game parts such as the right accessory operating device 13 and the lower accessory operating device 14 and the lower ball entrance device 16 on the lower side thereof are mounted on the back surface side of the game board 6 so as to be covered from the rear side.

Reference numeral 24 is a back mechanism plate for pressing and fixing the game board 6 mounted on the front frame 3 side from the rear side,
It is pivotally supported on the rear side of the front frame 3 by a hinge 25 so as to be freely opened and closed around the vertical axis, and is locked to the front frame 3 side by a lock lever (not shown) in a closed state for pressing the game board 6. . On the back mechanism plate 24, an opening window 26 is formed at a position corresponding to the back cover 23 of the game board 6, and the back mechanism plate 24 is used to play the game board.
The back cover 23 projects rearward from the opening window 26 when the 6 is fixed.

27 is a prize ball tank for storing prize balls, which is mounted on the upper rear side of the back mechanism plate 24. Reference numeral 28 denotes a prize ball payout device, which is configured to pay out the required number of prize balls supplied from the prize ball tank 27 to the upper plate 18, and which is lateral to the back cover 23 in the vertical direction on the back mechanism plate 24. It is installed. 29 is a recovery chute, which guides the game ball from the lower ball entrance device 16 to the island mechanism side.

Reference numeral 30 denotes a control board case mounted on the lower portion of the back cover 23. The control board case 30 has a control board 30a mounted with electronic parts for controlling the control operation during a game. Reference numeral 31 denotes a payout control case, which incorporates a payout control board on which electronic components for controlling the payout of prize balls by the prize ball payout device 28 are mounted. Reference numeral 32 is a ball lending control case. In this ball lending control case 32, when the automatic ball lending machine 45 is used, the ball lending control for activating the prize ball dispensing device 28 to dispense the ball to the upper plate 18 The board is incorporated. The payout control case 31 and the ball lending control case 32 are attached to the lower portion of the back mechanism plate 24.

The game board 6 is, as shown in FIGS. 6 and 7,
The three-way frame 96 is detachably fitted from the rear side, and is pressed and fixed from the rear side by the back mechanism plate 24. Three-sided frame 96
Are configured in a gate shape so as to surround the window holes formed in the front frame 3 from the left and right and from the upper side, and are fixed to the back surface side of the game board 6.

As shown in FIGS. 1 and 3, the lower ball entrance device 16 collects the game balls that enter the ball case 34 having 16 ball entrances 33 and the ball entrances 33. An opening portion of the game board 6 is provided with a ball collection case 35 that guides to the recovery chute 29 side and a ball detection switch 36 that detects a game ball that has entered the ball entrance 33.
It is fitted to 15 from the rear side and is detachably fixed to the back side of the game board 6.

In the ball case 34, ball entrances 33 are formed in a horizontal row, and each ball entrance 33 projects forward from the opening 15 of the game board 6. The ball collection case 35 is attached to the back side of the game board 6 so as to form a ball guide passage 37 with the game board 6.
The game balls that have entered the respective entrances 33 are collected and guided to the recovery chute 29. The ball detection switch 36 is attached to the switch board 38 corresponding to each ball entrance 33, and the switch board 38 is detachably fixed to the front side of the ball case 34.

Upper entrance ball opening 8, lower entrance ball 9, passage opening 10, central winning device 11, variable symbol display device 12, right accessory operating device 13,
As shown in FIG. 5, the lower accessory operating device 14 corresponds to the mounting hole 39 formed in the game board 6 or is fitted and mounted in the mounting hole 40 so as to project to the rear side of the game board 6. ing. Upper entrance 8, lower entrance 9, central prize device 11, variable symbol display device
12, the right accessory operation device 13, the lower accessory operation device 14 is designed to guide the game balls entered into these to the rear side of the game board 6, and correspondingly the back surface of the game board 6. A ball collecting plate 41 is mounted on the side.

The ball collecting plate 41 has passages corresponding to respective game parts such as the upper entrance ball entrance 8 and the lower entrance ball entrance 9, and the game balls entered into the upper entrance ball entrance 8 and the lower entrance ball entrance 9 etc. The lower ball entrance device 16 to the ball collection case
It is designed to guide you to the upper part of 35. Upper entrance 8,
Lower entrance opening 9, passage opening 10, central winning device 11, variable symbol display device 12, right accessory operating device 13, lower accessory operating device 14, electrical components such as light emitting element, switch, solenoid, liquid crystal display element, etc. And a lead wire 42 connected to the electric component, and is detachably connected to the relay board 43 via a connector. The relay board 43 is attached to the rear side of the ball collecting plate 41.

As shown in FIG. 5, the back cover 23 extends from the variable symbol display device 12, each game component such as the right accessory operating device 13, the ball collecting plate 41, the relay substrate 43 and the like to the lower ball entering device 16. So,
They are detachably mounted on the back surface side of the game board 6 via a mounting base 44 and a mounting portion 46 so as to cover the whole from the rear side.

As shown in FIGS. 5 to 7, the back cover 23 integrally includes an upper side wall portion 47, left and right side wall portions 48, 49, a lower side wall portion 50, an upper rear wall portion 51, and a lower rear wall portion 52. The game machine 6 is provided with a box shape having an open side, and a bulge portion 53 bulging backward is provided on the upper side of the back cover 23. The back cover 23 is also used for the game board 6 for various ball game machines, and the protruding amount on the lower side is small, whereas the bulging part on the upper side
The amount of protrusion on the 53 side is large.

That is, on the side of the bulging portion 53 of the back cover 23, game parts that largely project to the rear side of the game board 6 are guided rails.
When mounted on any position of the game board 6 within the range of 7,
The amount of protrusion to the rear side of the bulging portion 53 is ensured so that the game component can be sufficiently contained in the bulging portion 53 of the back cover 23. On the other hand, on the lower side of the bulge portion 53 of the back cover 23, the lower ball entrance device 16 is housed in the case of an arrangement ball machine and a sparrow ball machine, and in the case of a pachinko machine, as shown by a virtual line in FIG. Since the ball collecting and storing device 54 that collects and stores the balls is accommodated, the protrusion amount is configured to be smaller than that of the bulge portion 53, and the control board case 30 is detachably attached to the lower rear wall portion 52 thereof. Is attached to.

An upper rear wall portion 51 of the bulge portion 53 of the back cover 23,
The lower rear wall portion 52 of the lower side of the bulge portion 53 is substantially parallel to the game board 6, and the upper rear wall portion 51 has an inspection window 55 and a window lid that opens and closes the inspection window 55. 56 and are provided. The intermediate bottom wall portion 57 below the bulge portion 53, that is, the back cover
The intermediate bottom wall portion 57 between the upper rear wall portion 51 and the lower rear wall portion 52 of 23 has a lead-out hole for drawing out the cable 58 from the relay board 43.
59 is formed in the left-right direction.

The back cover 23 is placed in the opening window 26 of the back mechanism plate 24 at a slight interval such that the back cover 23 can be inserted into and removed from the opening window 26 without interfering with the back mechanism plate 24 when the back mechanism plate 24 is opened and closed. The back cover is fitted around the opening window 26 of the back mechanism plate 24.
Reinforcing ribs 60 projecting rearward are integrally formed so as to surround the side walls 47, 48, 49 of 23 from the outer periphery. And
On the back mechanism plate 24, a prize ball payout device 28 is mounted in the up-down direction in the vicinity of the right side wall portion 49 of the back cover 23, and a drive motor 61 of the prize ball payout device 28 is provided so as to project to the back cover 23 side. Has been. A recess 62 is formed in the right side wall portion 49 of the back cover 23 so as to correspond to the drive motor 61, and a part of the drive motor 61 projects into the recess 62. Therefore, it is possible to make the back cover 23 as large as possible in the left-right direction.

As shown in FIGS. 3, 5, 6 and 9 to 13, the inspection window 55 has a substantially rectangular shape so that the upper rear wall portion 51 is slightly left in the upper, lower, left and right peripheral portions thereof. It is formed to have a large opening, and is openably and closably closed by a detachable window cover 56. The window lid 56 is formed with a fitting lid portion 63 that fits into the inspection window 55, and is formed on the upper side of the fitting lid portion 63 in a stepwise manner with the plate thickness thereof being shifted to the rear side, and the back surface of the upper rear wall portion 51. In addition, it is integrally provided with a non-fitting lid portion 64 that slidably contacts from the rear side in the vertical direction.

On the left and right sides of the fitting lid portion 63 of the window cover 56, a pair of upper and lower engaging claws 65 projecting outward from the fitting lid portion 63 in the left-right direction are provided. An engaging portion 66 and a disengagement operation hole 67 that opens at the upper side of the engaging portion 66 are vertically formed in the lower left and right center of the 63. The fitting lid
At the bottom of 63, the receiving recess 68 and the projection 69
And are formed at intervals.

On both the left and right sides of the inspection window 55, there are vertically received slidable fitting lid portions 63 fitted in the inspection window 55 so that their rear surfaces are substantially flush with the upper rear wall portion 51. A lid receiving portion 70,
When the window lid 56 is slid downward along the lid receiving portion 70 and the notch portion 71 for fitting and removing the engaging claw 65 from the rear side so that the window lid 56 contacts the lid receiving portion 70, An engaging portion 72 with which the engaging claw 65 engages in a disengageable manner is provided. The notch portion 71 and the engaging portion 72 are provided outside the respective lid receiving portions 70 so as to correspond to each other in the vertical direction.

An engaging claw 65 is provided on the lower edge side of the inspection window 55.
When engaged with 72, a locking claw 73 is provided so as to engage with the locking part 66 from the front side in a disengageable manner, and push the upper end side forward from the separation operation hole 67 to perform the separation operation, When the lower edge of the fitting lid 63 is brought into contact with the lower edge of the inspection window 55,
A projection 74 and a reception recess 75 corresponding to the reception recess 68 and the projection 69 of the fitting lid 63 are formed. Recesses 68,75 and projections
69 and 74 are opposite to each other in the front-rear direction, and are engaged with each other to securely fix the lower end portion of the window cover 56 to the upper rear wall portion 51. It should be noted that the locking portion 66 and the locking claw 73 allow the window cover
Locking means 76 is configured to lock the 56 in a disengageable manner.

On the front side of the non-fitting lid portion 64, when the window lid 56 is raised to a position where the engaging claw 65 corresponds to the cutout portion 71,
The convex stopper 77 that contacts the upper edge of the inspection window 55
It is provided along the upper edge shape of 55. The back cover
The right side wall 49, the lower side wall 50 and the lower rear wall 52 of FIG.
As shown in, a cutout portion 78 is provided in a portion of the ball collection case 35 corresponding to the game ball drop port 79 side.

As shown in FIGS. 7 and 8, the control board case 30 includes a case body 80 having a horizontally long rectangular shape that is long in the left-right direction.
A front lid detachably attached to the opening side of the case body 80
81, and the control board 30a is housed inside. The control board case 30 includes four engagement grooves 82 formed in the lower rear wall portion 52 of the back cover 23, and four L-shapes formed on the front lid 81 side corresponding to the engagement grooves 82. It is removably attached to the back cover 23 by means of the engagement piece 83 and the locking claw 84.

The mounting base 44, as shown in FIG.
It is divided into three pieces, left, upper right and middle right, and a back cover
The strip is elongated along the corresponding side wall portions 47, 48, 49 of 23. The left mounting base 44 has bent portions at upper and lower ends so as to correspond to the left side wall portion 48 of the back cover 23 and a part of the upper side wall portion 47 and the lower side wall portion 50, and the right side upper mounting base 44. Is a dogleg shape corresponding to the corner of the right side wall portion 49 and the upper side wall portion 47, and the right middle mounting base 44
Are straightly formed so as to correspond to the right side wall portion 49.

Each mounting base 44 has a fitting rib protruding rearward from the inside in the width direction thereof, as shown in the left part and the right mounting base 44 in FIGS. 14 to 20, for example.
85 and a small protrusion 86 protruding rearward on the outside of the fitting rib 85
And the mounting base 87 that projects rearward over its entire width
And a mounting boss portion 88 also formed on the top side of the mounting base portion 87 for positioning and a positioning protrusion 90 that fits into a positioning recess 89 formed on the game board 6, and are integrally formed. It is detachably attached to the back side of the game board 6 by a plurality of screws 92.

The fitting rib 85 is provided on the mounting base 44, including the mounting base 87, over substantially the entire length in the longitudinal direction. Outside the fitting rib 85, the side wall portions of the back cover 23 are provided.
47, 48, 49 are designed to fit together. A plurality of small protrusions 86 are provided on the left mounting base 44 at predetermined intervals in the longitudinal direction, and two other mounting bases 44 are provided at both ends in the longitudinal direction. Then, between the small protrusions 86 and the fitting ribs 85, the side wall portions 47, 4 of the back cover 23 are formed.
It is designed to sandwich 8,49 from both inside and outside.

The mounting base 87 is a mounting base on the left side.
A plurality of 44 are provided at predetermined intervals in the longitudinal direction, and one is provided for each of the other two mounting bases 44, and each of the mounting bases 87 is provided on the game board 6 side. It protrudes backward so that it can be recessed. At the top of each mounting base 87, mounting bosses 88 projecting to the front and rear sides are formed in a circular shape.

On the other hand, each side wall portion 47, 48, 49 of the back cover 23 is formed with a cutout portion 93 into which each mounting base portion 87 is fitted, and the cutout portion 93 projects outward from the innermost side. The mounting portion 46 is formed so that Each mounting portion 46,
The top of each mounting base 87 is abutted from the rear side, and a mounting recess 94 that fits into the mounting boss 88 is formed in the center thereof. Then, the back cover 23 is detachably fixed to the mounting base 44 on the game board 6 side by the screw 95 inserted into the center of each mounting portion 46 of the back cover 23 and screwed into the center of the mounting boss portion 88. .

In the above structure, when assembling the game board unit, each side wall portion 4 of the back cover 23 is in an appropriate stage such as after hitting an obstacle nail on the front side of the game board 6.
Corresponding to 7,48,49, mount each mounting base 44 on the back side of game board 6 with screws 92 and place it. In this case, the positioning projection 90 of the mounting base 44 is replaced with the positioning recess 89 of the game board 6.
Since the mounting bases 44 can be positioned by fitting to, the mounting bases 44 can be fixed to the game board 6 with the screws 92 in the positioned state, and each mounting base 44 can be easily and accurately mounted at a predetermined position.

On the front side of the game board 6, a central winning device 11, a variable symbol display device 12, a right accessory operating device 13, a lower accessory operating device
Each game component such as 14 is mounted, the lower ball entrance device 16, the ball collecting plate 41, and the relay board 43 are mounted on the back side of the game board 6, and the lead wire 42 of each game component is connected to the connector of the relay board 43. Connect,
When the assembly of the game board unit is completed, a back cover 23 is attached to the back side of the game board 6, and the back cover 23 covers and protects each game component and the like from the back side. Then, in this state, the game board unit is sent from the assembly line to the inspection line to inspect the electric system of each game component and the like.

At the time of inspection on the inspection line, if there is an abnormality such as damage to the game part or disconnection of the lead wire 42, the back cover 23 is removed and the game part is repaired. At this time, by removing the screw 95, the back cover 23 can be separated from each mounting base 44, so that the back cover 23 can be easily removed from the game board 6.

Therefore, the back cover 23 can be used as a game board if necessary.
Since it can be easily attached to and detached from the game board 6, it is possible to attach the back cover 23 to the game board 6 at an early stage after assembly, and while the game board unit is being transported from the assembly line to the inspection line, other obstacles can be installed. Depending on contact with the lead wire
There is no problem such as disconnection of 42, and the function of protecting the back cover 23 can be fully exerted. Since the back cover 23 has the inspection window 55, if it is not necessary to remove the back cover 23, it is possible to insert a hand through the inspection window 55 for repair.

When mounting the back cover 23 on the game board 6, the mounting base 44 is mounted on the game board 6 side in advance, and the back cover 23 is mounted on the game board 6 via the mounting base 44. , Each mounting base 44 is a belt, and the protruding amount of the fitting ribs 85 and the like is small, so that the mounting base 44 on the back side of the game board 6 does not become an obstacle when mounting the game parts, You can work normally.

When the back cover 23 is attached, since the mounting bases 44 are located at predetermined positions on the game board 6 side, the side walls 4 of the back cover 23 are provided outside the fitting ribs 85 of the respective mounting bases 44.
When 7, 48 and 49 are fitted together, the notch 93 on the back cover 23 side
Coincides with the mounting base portion 87 of each mounting base 44, the mounting portion recess 94 of each mounting portion 46 and the mounting boss portion 88 fit, and the mounting portion 46 abuts on the top of the mounting base portion 87. Therefore, if each side wall portion 47, 48, 49 of the back cover 23 fits the mounting base 44, a screw 95 is inserted in the center of each mounting portion 46 and screwed to the mounting boss portion 88 of the mounting base portion 87 for fastening. Then, play the back cover 23 through each mounting base 44
Fix at 6.

Even when the back cover 23 is attached, each mounting base 44 has a fitting rib 85, and the back cover 23 is fitted on the outside thereof, so that the back cover 23 can be easily fitted to each mounting base 44. it can. Then, when the back cover 23 is fitted on the outside of the fitting rib 85, the side walls 47, 48, 49 are sandwiched and fixed by the fitting rib 85 and the small protrusions 86 from both inside and outside.
It is possible to prevent the front edge of the back cover 23 from being deformed inward and outward.

Since the mounting base portion 87 of the mounting base 44 and the cutout portion 94 of the back cover 23 are fitted to each other, the mounting recess 94 is fitted to the mounting boss portion 88 and fixed by the screw 95. The positioning is reliable, and the tightening amount of the screw 95 can be sufficiently secured. Moreover, since the mounting base portion 87 also has the fitting rib 85, and the side wall portions 47, 48, 49 of the back cover 23 are sandwiched between the fitting rib 85 and the mounting boss portion 88 on both inner and outer sides, Attach the back cover 23 Base 44
Can be securely fixed to.

The game board unit is attached to the three-sided frame 96 of the front frame 3 from the rear side, and the back mechanism plate 24 is closed and fixed. At this time, the back cover 23 is fitted into the opening window 26 of the back mechanism plate 24 and protrudes rearward, and the game board 6 is played by the back mechanism plate 24 outside the back cover 23.
Is pressed from the rear side, but the back cover 23 does not interfere with the back mechanism plate 24 side.

Since the back cover 23 is provided with the bulging portion 53 which bulges backward, a sufficient volume inside the bulging portion 53 can be secured. Therefore, in the bulge portion 53 of the back cover 23, the game board
Since it is possible to fully incorporate game parts that differ greatly in the amount of protrusion from 6 to the rear, you can freely select the game parts to be mounted on the game board 6 and also attach the back cover 23 to the game board units of different models. The back cover 23 can be shared, and the sharing of the back cover 23 between the models can be promoted.

The back cover 23 is sized to cover even the lower ball entrance device 16, a bulge portion 53 is provided on the upper side of the back cover 23, and the rear side of the back cover 23 is below the bulge portion 53. Since the control board case 30 is provided in the control board case 30, as compared with the case where the control board case 30 is provided on the rear side of the bulge portion 53, the control board case 30 does not greatly protrude rearward,
A sufficient amount of rearward protrusion of the bulge portion 53 can be secured. Since the back cover 23 covers the lower ball entrance device 16, the lower ball entrance device 16 can be protected by the back cover 23 and damage to the lower ball entrance device 16 can be reduced.

Moreover, since the bulge portion 53 and the control board case 30 are arranged vertically close to each other and the control board case 30 is formed in a horizontally long rectangular shape which is long in the left-right direction, the control board case 30 is covered with the back cover 23. By arranging the bulging portion 53 on the lower side, the size of the bulging portion 53 can be sufficiently secured in the vertical direction. The control board case 30 has a side wall and a bottom wall for paying out prize balls.
Since the control board case 30 has a large area because the left side wall portion 48 and the lower side wall portion 50 of the back cover 23 are made to substantially coincide with each other toward the side opposite to 28, even if the control board 30a has a large area, the prize ball payout device is provided.
The shape and structure of the chute and the like can be arbitrarily determined without interfering with the chute and the like on the lower side of the 28 side.

Bulging portion 53 of the back cover 23 and the control board case
30, the amount of protrusion from the game board 6 to the rear is substantially the same, and the upper rear wall portion 51 side of the bulge portion 53 and the rear wall of the case body 80 of the control board case 30 are substantially flush with each other. The bulge portion 53 and the control board case 30 do not come out too much backward, the arrangement ball machine can be packaged in a small size, and there is no interference with other objects when mounted on the island side.

When the back side of the game board 6 is to be inspected, a finger or the like is inserted through the disengagement operation hole 67 to push the upper end portion of the locking claw 73 to the front side, and the locking claw 73 is separated from the locking part 66. Unlock the window cover 56. And then, push the window cover 56 upwards,
The fitting lid portion 63 is slid along the left and right lid receiving portions 70 to disengage the left and right engaging claws 65 of the window lid 56 from the engaging portion 72 to the upper side. At this time, the locking portion 66 of the window lid 56 may be lifted by pinching it from above and below with a finger, or the stepped portion between the non-fitting lid portion 64 and the fitting lid portion 63 may be pushed up.

When the engaging claw 65 moves to the notch 71 and disengages from the engaging part 72, the stopper 77 of the non-fitting lid 64 is opened to the inspection window.
Since the upper edge of the non-fitting lid portion 64 projects upward from the back cover 23, the upper edge of the non-fitting lid portion 64 projects upward, so if the upper edge of the non-fitting lid portion 64 is picked up and the window lid 56 is removed rearward, the window lid 56 is removed from the back cover 23. Comes off and the inspection window 55 is opened.

After the inspection, when closing the inspection window 55 with the window lid 56, the engaging claw 65 of the window lid 56 is aligned with the cutout portion 71, and the fitting lid portion 63 is fitted into the inspection window 55. Fit the mating lid 63 into the lid receiver
Abut 70. Then, when the window cover 56 is slid downward along the cover receiving portion 70 in this state, the engaging claw 65 is moved to the engaging portion 72.
And the locking claw 73 is locked to the locking portion 66,
Lock 56 in the closed position.

The back mechanism plate 24 and the back cover 23 are used not only for arrange ball machines but also for pachinko machines and the like. Therefore, especially the back cover 23 is a lower ball entry device at the bottom of the game board 6.
Instead of 16, a ball collection storage device 54 that collects and stores prize balls
Even when the ball is attached, the amount of protrusion is set so as not to interfere with the ball collection and storage device 54.

The ball collecting / storing device 54 collects and stores the winning balls that have won a prize in each winning port, etc., and drops the winning balls one by one into the collecting chute 29. The prize-ball paying-out device 28 is operated, and the discharge amount from the game board 6 to the rear is larger than that of the lower ball-entering device 16.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the embodiments. For example, the mounting base 44 has a strip shape in the embodiment, but may have another shape. Further, it can be carried out similarly with other pachinko machines. In the embodiment, the back cover 23 is attached after the game board unit is assembled and before the inspection, but it may be attached after the inspection, and the time of attachment is not a problem. However, if the back cover 23 is mounted as quickly as possible, there is an advantage that the back cover 23 can protect the game parts and the like on the rear side of the game board 6.

[0064]

According to the present invention as set forth in claim 1, a back cover 23 for covering game parts mounted on the game board 6 is provided on the rear surface side of the game board 6, and the game board 6 is provided on the rear side. In the ball game machine in which the opening mechanism 26 corresponding to the back cover 23 is formed on the back mechanism plate 24 that is pressed from and fixed to the front frame 3, the mounting base 44 is provided on the back surface of the game board 6 Since the back cover 23 is detachably attached, the following remarkable effects are obtained.

Since the back cover 23 is removably attached to the back surface of the game board 6 via the attachment base 44, the back cover 23 may be attached as necessary even after the back cover 23 is attached to the back surface side of the game board 6. Can be easily attached and detached. Therefore, if each game component or the like is mounted on the game board 6, the back cover 23 can be mounted as early as possible to protect the game component, and the occurrence of a failure such as a disconnection of a lead wire can be minimized. If there is a faulty part, the back cover
Since 23 can be removed and repaired easily, even if a failure location is found after the back cover 23 is attached, there is no waste of discarding.

According to the present invention as defined in claim 2, in the invention as defined in claim 1, the mounting base 44 is covered with a back cover.
It is provided in a strip shape along the side wall portions 47, 48, 49 of 23, and is fitted to the mounting base 44 such that the side wall portions 47, 48, 49 of the back cover 23 are fitted to the outside. Since the mating ribs 85 are provided along the longitudinal direction, the following remarkable effects are obtained.

Since the mounting base 44 is in the form of a belt, even when the mounting base 44 is mounted on the back surface of the game board 6, the amount of protrusion to the rear is small and the mounting base 44 does not get in the way. Since the mounting bases 44 are strip-shaped, the number of mounting bases 44 provided on the game board 6 can be reduced. Since the mounting base 44 has a fitting rib 85, and the side walls 47, 48, 49 of the back cover 23 are fitted to the outside of the fitting rib 85, the back cover 23 can be easily fitted to the mounting base 44. Can be attached to.

According to the present invention described in claim 3, in the invention described in claim 1 or 2, the mounting base 44 is
A mounting base portion 87 protruding rearward is provided, and notch portions where the mounting base portion 87 is fitted to the side wall portions 47, 48, 49 of the back cover 23.
Since 93 and the mounting portion 46 that abuts on the top of the mounting base portion 87 are provided and the mounting portion 46 is fixed to the mounting base portion 87 with the screw 95, the following remarkable effects are obtained.

A mounting base portion 87 is provided on the mounting base 44, and a side wall portion of the back cover 23 is provided on the top of the mounting base portion 87.
Since the mounting portions 46 provided on the 47, 48, and 49 are brought into contact with each other and the mounting portions 46 are fixed to the mounting base portion 87 with the screws 95, the mounting portion 46 can be securely mounted on the mounting base portion 87 of the mounting base 44. Can be fixed. Since the side wall portions 47, 48, 49 of the back cover 23 have the cutout portion 93 into which the mounting base portion 87 is fitted, even if the width of the mounting base 44 is reduced, the screw 95 can be securely attached to the mounting base portion 87 side. Can be fixed by screwing on. Therefore, it is possible to reduce the width of the mounting base.

According to the present invention described in claim 4, in the invention described in claim 1, 2 or 3, the mounting boss portion 88 projecting to the front and rear sides is formed on the top side of the mounting base portion 87, The mounting portion 46 is provided with a mounting concave portion 94 into which the mounting boss portion 88 is fitted, and the mounting concave portion 94 is attached to the mounting boss portion.
Since the screw 95 that is screwed into the substantially central portion of the 88 is provided on the 88, the following remarkable effects are obtained.

Since the mounting boss 88 of the mounting base 46 and the mounting recess 94 are fitted and fixed with the screw 95, positioning and fixing can be performed at the same time. Since the mounting boss portion 88 projects to both front and rear sides of the top of the mounting base portion 87, the screwing amount of the screw 95 can be increased even when the thickness of the mounting base portion 87 or the like is thin.

According to the present invention described in claim 5, in the invention described in claim 1, 2, 3 or 4, a positioning recess 89 is formed in the game board 6, and the mounting base 44 and the positioning recess 89 are provided. Since the positioning projection 90 to be fitted is formed and the mounting base 44 is detachably fixed to the game board 6 with the screw 92, the following remarkable effects are obtained. When mounting the mounting base 44 on the back surface of the game board 6, the mounting base 44 can be easily and accurately mounted on the game board 6.

[Brief description of drawings]

FIG. 1 is a front view of an arrangement ball machine showing an embodiment of the present invention.

FIG. 2 is a rear view of the arrange ball machine showing the embodiment of the present invention.

FIG. 3 is a rear view of a back cover side showing an embodiment of the present invention.

FIG. 4 is a rear view of the game board according to the embodiment of the present invention with the back cover removed.

5 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 6 is an enlarged sectional view taken along the line BB of FIG.

7 is an enlarged cross-sectional view taken along the line CC of FIG.

FIG. 8 is a partially cutaway bottom view of the control board case showing the embodiment of the present invention.

FIG. 9 is an exploded perspective view of an inspection window portion showing an embodiment of the present invention.

10 is a cross-sectional view taken along the line DD of FIG.

11 is a cross-sectional view taken along the line EE of FIG.

12 is a cross-sectional view taken along the line FF of FIG.

FIG. 13 is a sectional view taken along the line GG in FIG.

FIG. 14 is a sectional view of a mounting base showing an embodiment of the present invention.

FIG. 15 is a sectional view of a mounting base showing an embodiment of the present invention.

16 is a sectional view taken along line HH of FIG.

FIG. 17 is a cross-sectional view taken along the line I-I of FIGS. 14 and 15.

FIG. 18 is a sectional view taken along line JJ of FIGS. 14 and 15.

FIG. 19 is a sectional view taken along line KK of FIGS. 14 and 15.

20 is a cross-sectional view taken along the line LL of FIGS. 14 and 15. FIG.

[Explanation of symbols]

 1 Arrange ball machine body 2 Outer frame 3 Front frame 6 Game board 23 Back cover 24 Back mechanism plate 26 Opening window 44 Mounting base 46 Mounting part 47,48,49 Side wall part 85 Fitting rib 87 Mounting base part 88 Mounting boss part 89 Positioning recess 90 Positioning protrusion 92,95 Screw 93 Notch 94 Mounting recess

Claims (5)

[Claims] 1. A back cover (23) for covering game parts and the like attached to the game board (6) is provided on the back side of the game board (6), and the game board (6) is pressed from the rear side to the front side. Back mechanism plate fixed to the frame (3)
In the ball game machine in which the opening window (26) corresponding to the back cover (23) is formed in (24), the mounting base (44) is provided on the back surface of the game board (6), and this mounting base (44) Back cover (23)
A back cover mounting device for a ball game machine, which is detachably attached. 2. The mounting base (44) is provided in a band shape along the side walls (47), (48) and (49) of the back cover (23), and the mounting base (44) is attached to the mounting base (44) from the mounting base (44). The fitting ribs (85) protruding rearward and having the side walls (47) (48) (49) of the back cover (23) fitted to the outside are provided along the longitudinal direction. The back cover mounting device for the ball game machine described in. 3. The mounting base (44) is provided with a mounting base portion (87) protruding rearward, and side wall portions (47) (4) of the back cover (23).
8) Notch (93) that fits the mounting base (87) to (49)
And the mounting part (46) that abuts the top of the mounting base part (87).
And the mounting part (46) on the mounting base (87) with screws (9
The back cover mounting device for a ball game machine according to claim 1 or 2, wherein the device is fixed in (5). 4. A mounting boss portion (88) is formed on the top side of the mounting base portion (87) so as to project to the front and rear sides.
6), the mounting boss (88) fits into the mounting recess (94)
, And from the mounting recess (94) to the mounting boss (88),
The back cover mounting device for a ball game machine according to claim 1, 2 or 3, characterized in that a screw (95) screwed into the substantially central portion is provided. 5. A game board (6) is provided with a positioning recess (89), and a mounting base (44) is provided with a positioning projection (90) which fits into the positioning recess (89). 5. The back cover mounting device for a ball game machine according to claim 1, 2, 3 or 4, characterized in that (4) is detachably fixed to the game board (6) with a screw (92).