JPH08299561A - Back cover device for ball game machine - Google Patents

Abstract

(57) [Abstract] [Purpose] A back cover that allows the rear cover and control board case to have a small amount of rearward projection from the game board, and can easily mount game parts with a large rearward projection amount on the game board. (EN) Provided is a back cover device for a ball-playing game machine, in which a sufficient inner volume can be secured and the back cover can be shared by various models. [Structure] On the back side of the game board 6, a back cover 23 that covers the game parts and the like mounted on the game board 6 is attached, and this back cover 23
The control board case 30 containing the control board 30a that controls the control operation is attached to the rear side, and the game board 6 is attached to the lower part of the back side of the game board 6.
A ball collecting device 16 is provided to collect and collect the game balls that have passed on the back side of 6, and a back cover 23 is provided on the back surface of the game board 6 so as to cover the ball collecting device 16, and an upper side of the back cover 23. A bulge portion 53 that bulges rearward is provided on the rear side, and a control board case 30 is provided on the rear side of the back cover 23 below the bulge portion 53.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back cover 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, a arrange frame machine main body side is provided with a rectangular frame-shaped outer frame and a front frame pivotably attached to the outer frame. On the rear side of the front frame, there are provided a three-sided frame on which the game board is removably fitted from the rear side, and a back mechanism plate for pressing and fixing the game board fitted on the three-sided frame from the rear side. .

On the upper part of the front side of the game board, game parts such as an upper entrance, a passage, a central winning device, a variable symbol display device, and a right accessory operating device for increasing points are mounted, and each of these games is mounted. A horizontally long opening is formed on the lower side of the component, and a back cover is attached to the back side of the game board so as to cover the game component, the relay board, the wiring, etc. from the back side. Then, an inspection window is formed on the rear wall of the back cover, and the control board case is detachably attached to the back cover from the rear side so that this inspection window can be opened and closed freely. It contains a control board on which the electronic components that control the above are installed.

An opening window is formed in the back mechanism plate so that the back cover of the game board is fitted and protrudes rearward. The prize ball tank and prize ball tank rail are provided on the side of the opening window. When the lower ball entrance device is attached to the lower part of the prize ball paying-out means, and the game board is fixed by being pressed from the rear side by this back mechanism plate, the horizontal row of ball entrances of the lower ball entrance device are the game board. It is designed to project forward from the opening of the.

[0005]

In the conventional arranging ball machine, the inspection window on the rear wall of the back cover can be opened and closed by the control board case, but there is the control board case on the back side of the back cover. Since the amount of protrusion from the board to the rear end of the control board case becomes extremely large, there are various drawbacks as described below.

That is, since the control board case is attached to the rear side of the back cover, it is necessary to suppress the amount of rearward projection of the back cover itself to be small, and it is not possible to secure a sufficient volume inside the back cover. There is. Therefore, the game components such as the central winning device mounted on the game board also have a small amount of protrusion from the game board to the rear, and it is difficult to adopt a game configuration that is rich in variety and has fun. .

Even if the same ball game machine is different in arrangement ball machine, pachinko machine, sparrow ball machine, etc., the configuration, arrangement, etc. of the game parts to be mounted on the game board will be greatly different, especially the game. Since there is a large difference in the amount of protrusion to the rear side of the board, in the conventional structure in which the control board case is attached to the back cover, one type of back cover is shared for all types of ball game machines, It is difficult to standardize.

Further, since the lower ball entrance device is on the back mechanism plate side, when the game board is changed from the game board for the arrange ball machine to the game board for the pachinko machine, the game board is detached and attached. In addition, it is necessary to replace the lower ball entrance device, and the replacement work is very troublesome.

In view of such conventional problems, the present invention can reduce the rearward projection amount of the back cover and the control board case from the game board, and easily mount the game parts having the large rearward projection amount on the game board. It is an object of the present invention to provide a back cover device for a ball game machine in which the volume of the back cover can be sufficiently secured and the back cover can be shared among various models.

[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 mounted on the back surface side of the game board 6, and this back cover is mounted. In the ball game machine equipped with the control board case 30 containing the control board 30a that controls the control operation on the rear side of 23, the game ball passed to the back side of the game board 6 in the lower part of the back side of the game board 6. A ball collecting device 16,54 for collecting and collecting the balls is provided.
A back cover 23 is provided on the back surface of the game board 6 so as to cover 4, and a bulge portion 53 that bulges backward is provided on the upper side of the back cover 23. Below this bulge portion 53, a control board is provided on the rear side of the back cover 23. A case 30 is provided.

According to a second aspect of the present invention, in the invention according to the first aspect, the bulge portion 53 and the control board case 30 are arranged vertically close to each other, and the control board case 30 is horizontally long in the left-right direction. It has a rectangular shape.

According to a third aspect of the present invention, in the invention according to the first or second aspect, a wiring from a game component or the like is drawn to an intermediate bottom wall portion 57 on the lower side of the bulge portion 53 to control the control board 30.
The drawing hole 59 for connecting to a is provided.

The present invention according to claim 4 provides the invention according to claims 1 and 2.
Alternatively, in the invention described in 3, the bulge portion 53 and the control board case 30 are made to have substantially the same amount of protrusion from the game board 6 to the rear,
The rear surface of the bulge portion 53 and the rear surface of the control board case 30 are substantially flush with each other.

[0014]

[Function] When changing the game contents by exchanging the game board 6, remove the game board 6 from the front frame 3 with the back cover 23 covering the ball collecting devices 16 and 54 together with the game parts. To do. Therefore, the game board 6 can be easily replaced, and damage to the ball collecting devices 16 and 54 at the time of replacement can be prevented.

Since the back cover 23 has a bulge portion 53 that bulges backward, a sufficient volume can be secured in the bulge portion 53, and even a game component having a large rearward projection amount from the game board 6 can be sufficiently incorporated. . Therefore, the back cover 23 can also be used for the game board units of different models, and the sharing of the back cover 23 between the models can be promoted.

The back cover 23 is a ball collecting device 1 under the game board 6.
Since the swelling portion 53 is provided on the upper side of the back cover 23 and the control board case 30 is provided on the rear side of the back cover 23 below the swelling portion 53, respectively, The control board case 30 does not largely protrude rearwardly, and therefore, the rearward projection amounts of the back cover 23 and the control board case 30 are small while the rearward projection amount of the bulge portion 53 is sufficiently secured. .

[0017]

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 components 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, 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 entered the ball entrance case 34 having 16 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, bottom entrance ball 9, passage opening 10, central prize 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 the 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, the game parts such as the right accessory operating device 13, the ball collecting plate 41, the relay board 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, the 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 lid 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, a fitting lid portion 63 fitted to the inspection window 55 so that its rear surface is substantially flush with the upper rear wall portion 51 is vertically slidably received. 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 the 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 inner side 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 the respective 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 replaced. 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 mounted, each mounting base 44 has a fitting rib 85, and the back cover 23 is fitted to 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, and 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 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 back cover 23 and 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 inspecting the back side of the game board 6, insert a finger or the like through the disengagement operation hole 67 and push the upper end portion of the locking claw 73 to the front side to disengage the locking claw 73 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 pawl 65 moves to the cutout portion 71 and comes off the engaging portion 72, the stopper 77 of the non-fitting lid portion 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 notch 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.

When the game board 6 is replaced and the game contents are changed from the arrange ball machine to the pachinko machine, the front frame 3 is opened forward, and the back mechanism plate 24 is unlocked by the lock lever. The mechanism plate 24 is opened rearward. Then, after removing the game board 6 for the arrange ball machine from the three-way frame 96, the game board 6 for the pachinko machine is fitted into the three-way frame 96, the back mechanism plate 24 is closed, and the game board 6 is fixed to the front side by pressing. .

At this time, since the lower ball entrance device 16 is separated from the back mechanism plate 24 and attached to the lower back side of the game board 6 different from the back mechanism plate 24, it is covered from the rear by the back cover 23. It can be replaced together with the game board 6 in the open state. Therefore, it is not necessary to attach / detach the lower ball entry device 16 to / from the back mechanism plate 24 separately from the exchange of the game board 6, and the game board 6 can be exchanged by replacing the game board 6 in a game store where a large number of ball game machines are installed. Even when the contents are changed, it can be replaced easily and quickly in a short time efficiently and at the same time, the lower ball entrance device 16 during the replacement work can be performed.
This has the advantage of preventing damage to the car and other accidents.

The lower ball entrance device 16 is in a back cover 23 attached to the back surface of the game board 6, and is protected by this back cover 23, so it is separated from the back mechanism plate 24 and is together with the game board 6. Despite adopting a structure for attaching and detaching to and from, it is possible to prevent damage to the lower ball entrance device 16.

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. In addition, the ball collection storage device 54
Collects and stores prize-winning balls that have won a prize in each prize hole, and operates the prize-ball payout device 28 every time one prize-winning ball drops while dropping the prize-winning balls into the collecting chute 29 one by one. The discharge amount from the game board 6 to the rear is larger than that of the lower ball entrance 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. 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.

Further, in the embodiment, since the arrangement ball machine is targeted, the lower ball entry device 16 is illustrated as a ball collection device provided on the lower part of the back surface side of the game board 6. However, in the case of a pachinko machine, the ball collecting and storing device 54 may be provided instead of the lower ball entering device 16. In the case of a sparrow ball machine, a lower ball entrance device 16 similar to the arrangement ball machine may be provided,
Other objects may be provided.

[0066]

According to the present invention as set forth in claim 1, a back cover 23 for covering the game parts and the like mounted on the game board 6 is mounted on the back side of the game board 6, and the back cover 23 On the rear side, in a ball game machine equipped with a control board case 30 containing a control board 30a that controls the control operation, in the lower part of the back surface side of the game board 6, the game balls that have passed to the back surface side of the game board 6 are collected. A ball collecting device 16, 54 for collecting balls is provided, and a back cover 23 is provided on the back surface of the game board 6 so as to cover the ball collecting device 16, 54, and a back cover.
Since the bulging portion 53 that bulges backward is provided on the upper side of 23 and the control board case 30 is provided on the rear side of the back cover 23 below the bulging portion 53, the following remarkable effects are obtained.

A ball collecting device 1 that collects and collects game balls that have passed to the back side of the game board 6 at the lower part of the back side of the game board 6.
Since 6,54 are provided, the exchange work when changing the game contents by exchanging the game board 6 can be very easy.

A bulge portion 53 that bulges backward on the back cover 23
Since this is provided, the volume inside the bulging portion 53 can be sufficiently secured. Therefore, in the bulge portion 53 of the back cover 23, even a game component having a large rearward projection amount from the game board 6 can be sufficiently incorporated, so that the game component to be mounted on the game board 6 can be freely selected and The back cover 23 can also be used for the game board units of different models, and the sharing of the back cover 23 between the models can be promoted.

The back cover 23 is large enough to cover the lower part of the game board 6 up to the ball collecting devices 16 and 54. The back cover 23 is provided with a bulge portion 53 on the upper side thereof and below the bulge portion 53. Since the control board case 30 is provided on the rear side of the back cover 23, 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 largely protrude rearward too much, A sufficient amount of rearward protrusion of the bulge portion 53 can be secured. Therefore, the back cover 23 and the control board case 30
The amount of rearward projection from the game board 6 can be reduced.

Since the back cover 23 covers the ball collecting devices 16 and 54, the ball collecting devices 16 and 54 can be protected by the back cover 23 and damage to the ball collecting devices 16 and 54 can be reduced.

According to the invention of claim 2, in the invention of claim 1, the bulge portion 53 and the control board case are provided.
Since the control board case 30 and the control board case 30 are arranged vertically adjacent to each other and have a horizontally long rectangular shape that is long in the left-right direction, the following remarkable effects are obtained.

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 configured in a horizontally long rectangular shape long in the left-right direction, the control board case 30
By placing the underside of the back cover 23.
A sufficient size can be secured in the vertical direction of 53.

Since the control board case 30 is formed in a horizontally long rectangular shape that is long in the left-right direction, the size of the control board case 30, that is, the area of the control board 30a in the control board case 30 can be secured large.

According to the invention described in claim 3, in the invention described in claim 1 or 2, the wiring from the game parts or the like is drawn out to the intermediate bottom wall portion 57 on the lower side of the bulging portion 53 to control. Since the lead-out hole 59 for connecting to the substrate 30a is provided, the following remarkable effects are obtained.

It is possible to easily draw out the wiring from the inside of the back cover 23 through the drawing hole 59. Since the control board case 30 is located below the bulge portion 53, and the middle bottom wall portion 57 below the bulge portion 53 has the lead-out hole 59, the wiring drawn out from the lead-out hole 59 is used as the control board of the control board case 30. It can be efficiently connected to 30a and can prevent wiring from getting complicated.

According to the present invention as set forth in claim 4, in the invention as set forth in claim 1, 2 or 3, the protrusion amounts of the bulge portion 53 and the control board case 30 from the game board 6 to the rear are substantially the same. Since the rear surface of the bulge portion 53 and the rear surface of the control board case 30 are substantially flush with each other, the following remarkable effects are obtained.

The bulging portion 53 of the back cover 23 and the control board case 30 have substantially the same amount of rearward protrusion, and the bulging portion 53
Since the rear surface of the control board case 30 and the surface wall of the control board case 30 are substantially flush with each other, the bulging portion 53 and the control board case 30 do not protrude too much rearward, and the packing during distribution can be made small, and the island side It is possible to prevent interference with other objects when attached to.

[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 16 Lower ball entry device (ball collection device) 23 Back cover 24 Back mechanism plate 30a Control board 30 Control board case 53 Swelling portion 54 Ball collection device (ball collection device) ) 57 Middle bottom wall 59 Draw-out hole

Claims (4)

[Claims] 1. A back cover (23) for covering game parts and the like mounted on the game board (6) is mounted on the back side of the game board (6), and on the back side of the back cover (23), Control board that controls the control operation (30
In a ball game machine equipped with a control board case (30) containing a), collect the game balls that have passed to the back side of the game board (6) in the lower part of the back side of the game board (6). Collection device for collecting (1
6) (54) is provided, the back cover (23) is provided on the back surface of the game board (6) so as to cover the ball collecting devices (16) (54), and the rear cover (23) is bulged backward at the upper side. A bulge (53) is provided, and this bulge
Control board case (30) on the underside of the back cover (23) on the underside of (53)
A back cover device for a ball game machine, which is provided with. 2. The bulge portion (53) and the control board case (30) are arranged vertically close to each other, and the control board case (30) is configured in a horizontally long rectangular shape long in the left-right direction. A back cover device for a ball game machine according to Item 1. 3. An intermediate bottom wall (57) below the bulge (53).
To the control board (30a), pull out the wiring from the game parts, etc.
The back cover device for a ball game machine according to claim 1 or 2, further comprising: a pull-out hole (59) for connecting to the. 4. The bulging part (53) and the control board case (30) are substantially the same in the amount of protrusion from the game board (6) to the rear, and the bulging part
The back cover device for a ball game machine according to claim 1, 2 or 3, wherein the rear surface of the (53) and the rear surface of the control board case (30) are substantially flush with each other.