JP2510498Y2 - Fraud prevention structure for pachinko machines - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] The present invention intentionally operates by inserting a piano wire or the like through the gap between the back surface of the game board and the mechanism board, and operating the variable winning port or the winning device provided on the game board. The present invention relates to a fraud prevention structure in a pachinko machine, which is configured to prevent fraudulent acts of converting a hit ball into a state in which it is easily accepted.

[0002]

2. Description of the Related Art Usually, a pachinko machine has a front frame on its front surface, and a glass door frame and a front plate are hinged to the front frame.
Then, on the front surface of the front plate, there is mounted a hitting ball supply plate for supplying a pachinko ball to the hitting ball launching unit. Further, a lower ball receiving tray for accumulating surplus balls of the hit ball supplying tray is attached to the lower front portion of the front frame. Further, a communication port communicating with the lower ball saucer is opened in the front frame, and a prize ball buffer gutter having an open upper surface surrounding the communication port is attached to the back surface of the front frame, and an out ball is attached to one side of the prize ball outside the pachinko machine. A discharge gutter is provided for discharge to.

A game board mounting frame is fixed to the back surface of the front frame, and a game board equipped with various back winning components such as a variable winning port and a winning device is mounted on the game board mounting frame. A mechanism plate that covers the back surface of the game board is attached to one side so as to be openable and closable. The mechanism plate The prize ball discharge gutter is provided for guiding the pachinko balls paid out from the prize balls dispensing device and prize ball delivery device thereon to hitting the supply tray, out balls discharged from the game board out bulb opening at the bottom Ball leading to the outlet on the back side of the front frame , award ball loose below the lower wall of the out ball passage
Recessed recess formed at the position directly above the trough with the front and bottom surfaces open
Space is provided.

[0004]

[Problems to be solved by the invention] However, since the mechanism plate is attached to the game board so as to be openable and closable, and is only fixed by a simple engaging means, there is a gap between the back surface of the game board and the mechanism plate. There is a slight gap between the two. Therefore, for example, insert a piano wire, a thin cell plate, etc. into the communication opening of the lower ball tray from the front side of the pachinko machine, and further insert the tip of the piano wire between the back side of the game board and the mechanism board through the concave space. There is often a fraudulent act in which the player inserts it into the gap of the game board and crawls it on the back surface of the game board in order, and activates the variable winning port and the winning device attached to the game board to deliberately convert the ball into a state in which the ball is easily accepted. Against this
However, it is disclosed in, for example, Japanese Utility Model Publication No. 49-7734.
There is a fraud prevention cover plate device for such a pachinko machine. This snap
This machine has a prize ball discharge mechanism on the back of the veneer board in a predetermined arrangement.
Attach the flat rectangular mechanism box provided and a transparent plate in front of it.
It can be freely inserted and removed. Also, discharge to the bottom of the mechanism box
There is a discharge port that guides the prize ball to the front of the pachinko machine, and above it
The cover is fixed to the section to prevent fraud. Only
However, the cover plate has an introduction gap on one side through which the emission prize ball passes.
It remains, and the cover plate is attached to the mechanism box side and transparent
Since there is a risk of creating a gap between the plate and
Insufficient from the viewpoint of prevention, there are points to be improved
It was Therefore, the present invention has been made in consideration of such a current situation, and an object of the present invention is to provide a fraud prevention structure in a pachinko machine, which is capable of completely and completely preventing such fraud.

[0005]

In order to achieve the above-mentioned object, the present invention stores a ball striking plate for feeding a pachinko ball to a ball striking unit on the front surface of a front frame and a surplus ball of the ball striking plate. Attach the lower ball saucer up and down, and attach the game board mounting frame and the prize ball buffer gutter that guides the surplus balls of the hit ball supply tray to the lower ball saucer on the back side of the front frame, and the game board mounting frame Attach the game board detachably, and on the back of the game board
The mechanism plate is mounted so that it can be opened and closed freely.
Out ball passage that leads the out ball to the outside, the out ball passage
A recess that is formed below the lower side wall and that has open front and bottom surfaces.
In a pachinko machine provided with a space, mounting the game board
The prize ball cushion is located above the prize ball cushion gutter at the lower part of the frame.
Enclose the gutter above and both sides, and close the mechanical board on the back of the game board.
The frame piece that faces the inside of the concave space of the mechanism plate when projected is integrally projected.
It consists of the set up.

[0006]

[Operation] From the front side of the pachinko machine, even if you insert a piano wire or a thin cell plate into the back side of the game board, and try to crawl on the back side of the game board through the gap between the back side of the game board and the mechanism board,
The lower part of the game board mounting frame is located above the prize ball buffer gutter and surrounds the prize ball buffer gutter above and on both sides, and the back surface of the game board.
A frame that faces the inside of the recessed space of the mechanism plate with the mechanism plate closely attached to the
Projecting pieces together, since so as to close the gap between the game board backside a mechanism plate, the path of the gap between the game board rear surface and mechanism plate is blocked, to the game board rear surface Intrusion is completely stopped.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the fraud prevention structure according to the present invention will be described below with reference to the drawings. 1 is a front view of a pachinko machine to which the present invention is applied, FIG. 2 is a rear view thereof, FIG. 3 is a perspective view of a pachinko machine with a mechanism plate opened, and FIG. 4 is an enlarged perspective view of a main part thereof. FIG. 5 and FIG. 5 respectively show cross-sectional views of the main part. In the figure, 1 is a pachinko machine body, and 2 is its front frame. Reference numeral 3 denotes a glass door frame which is hinged to the front surface of the front frame 2 so as to be freely opened and closed.
Is inserted and held. Reference numeral 5 is a front plate which is located below the glass door frame 3 and which is also hinged to the front frame 2 so as to be freely openable and closable. Has been done.

The front plate 5 is provided with an award ball opening 8 through which a pachinko ball passes, and the award ball opening 8 is connected to the hit ball supply plate 7.
A connecting pipe 9 having an open rear end is attached. A game board mounting frame 10 is fixed to the back surface of the front frame 2, and a game board 11 is mounted on the game board mounting frame 10. Specifically, both side portions 10a, 10a of the game board mounting frame 10 support both side edges of the game board 11, and the lower portion 10b supports the lower side edge of the game board 11. Also, these game board mounting frames 10 and the back surfaces 10c and 11 of the game board 11
The letters a are formed in the same plane because of the mounting of the mechanism plate 28 described later. 12 is a game board mounting frame 1
It is a discharge port opened in the lower part 10b of 0 through which the out ball passes.

On the surface of the game board 11, a game area portion 1 surrounded by a guide rail 13 between the glass plate 4'and the glass plate 4 '.
4 are formed. A variable display device 15 is provided substantially in the center of the game area portion 14, and a large-sized winning device 16 for generating a large number of winning balls at a time is provided below the variable display device 15. Furthermore, a pair of open / close blades is provided at a predetermined position of the game area portion 14. There are provided a plurality of variable winning openings 17 for opening and closing to change the ball into an easy state and a difficult state for hitting a ball, a start winning hole 18 for operating the variable display device 15, and the like. 19
Is an out ball opening opened on the lower side of the game area portion 14 and communicates with the discharge opening 12 of the game board mounting frame 10.

Among them, the winning device 16 is a mounting substrate 20.
A horizontally long opening 21 is provided in the opening 21 and an opening / closing door 22 is attached to the opening 21. The opening / closing door 22 is pivotally supported on both sides at the lower end, is connected to a solenoid 23 provided on the back side of the game board 11, and is normally closed as shown by the solid line in FIG. 23
When it is excited, the opening / closing door 22 opens as shown by the chain line in the figure to convert it into a state in which it is easy to receive a hit ball.

A communication port 24 is formed in the lower side 2a of the front frame 2.
Is opened, and a lower ball tray 25 connected to the communication port 24 is attached to the front surface of the lower side portion 2a. Further, a prize ball buffer gutter 26 is provided on the back surface, surrounding the communication port 24 and having an open upper surface. Reference numeral 27 is a discharge gutter provided on one side of the prize ball buffer gutter 26 for discharging the out ball to the outside of the pachinko machine.

28 rotates about one end of the game board mounting frame 10 as a fulcrum, and the back surface 10 of the game board mounting frame 10 and the game board 11 is rotated.
It is a mechanism plate mounted so as to be openable and closable so as to cover c and 11a. A ball tank 29 is provided above the outer surface of the mechanism plate 28, and the pachinko balls stored in the ball tank 29 are drain gutters 3.
It is guided to the prize ball payout device 31 via 0. Further, below the prize ball payout device 31, the lower end is connected to the connecting pipe 9, and the prize ball discharge trough 3 for guiding the pachinko ball to the hitting ball supply tray 7 is provided.
2 and an overflow ball gutter 33 that branches from the prize ball discharge gutter 32 and has its lower end facing the upper surface of the prize ball buffer gutter 26 and guiding the surplus ball of the hit ball supply tray 7 from the communication port 24 to the lower ball tray 25. Has been.

At a position directly above the prize ball buffer gutter 26, a mechanism plate 28 is provided.
An out-ball passage 34, which is open to the front and communicates with the discharge port 12, is provided inside. A lower side wall 34a of the out-ball passage 34 is inclined, and a lower end portion 35 of the lower end of the out-ball passage is connected to the discharge gutter 27. Fall,
It is guided from the discharge gutter 27 to the outside of the pachinko machine. Reference numeral 36 is a concave space formed below the lower side wall 34a of the out-ball passage 34 and having a front surface and a lower surface opened.

When a hit ball is won in the winning device 16 or the variable winning opening 17 mounted on the game area portion 14 of the game board 11, a predetermined amount of pachinko balls are hit from the prize ball payout device 31 for each winning ball. It is dispensed to the supply dish 7. Further, the surplus balls of the hit ball supply tray 7 are stored in the lower ball receiving tray 25 from the communication port 24 via the overflow ball outflow trough 33 and the prize ball buffer trough 26. In addition, the out ball which cannot be won is the out ball opening 1
9, is discharged from the discharge port 12 provided on the back surface 10c of the game board mounting frame 10, passes through the out ball passage 34, and is discharged from the discharge trough 27 to the outside of the pachinko machine.

Therefore, according to the present invention, as shown in FIGS. 3 to 5, the back side of the game board 11, more specifically, the game board mounting frame 10 is shown.
On the back surface 10c of the lower portion 10b, a frame piece 37 is provided so as to be located above the prize ball buffer gutter 26. Moreover, in the frame piece 37, the top wall 37 a is the lower side wall 34 of the out ball passage 34.
It is parallel to a and has substantially the same length, and is formed by vertically extending vertical walls 37b and 37b at both ends thereof. As shown in FIG. 4, the mechanical plate 28 is provided on the back surface 11a of the game board 11. Are closely contacted with each other so as to face the inside of the concave space 36 of the mechanism plate 28 formed in the lower portion of the out-ball passage 34.

As a result, the gap between the back surface 11a of the game board 11 and the mechanism plate 28 is closed, and the game board 11 is opened from the communication port 24.
Since the path to the back surface 11a of the pachinko machine is blocked, a piano wire or a thin cell plate or the like is connected from the front side of the pachinko machine body 1 to the communication port 2
Even if it is inserted into the game board 4 and is made to crawl on the rear surface 11a of the game board 11, the frame piece 37 prevents the advance of the tip thereof. Therefore, it is impossible to operate the solenoid 23 or the variable winning opening 17 of the winning device 16.

[0017]

As described above, in the fraud prevention structure according to the present invention, the lower part of the game board mounting frame is located above the prize ball buffer gutter and above and both sides of the prize ball buffer gutter. Fence
And the mechanism plate with the mechanism plate closely attached to the back of the game board
Since the frame piece facing the inside of the concave space is projected , the gap between the back surface of the game board and the mechanism plate is closed, and the intrusion of the piano wire or the cell plate into the back surface of the game board is completely prevented. This allows
It is possible to prevent an illegal act of intentionally operating the prize winning device or the like mounted on the game board from the back side of the game board to convert it into a state in which a hit ball can be easily received. Also, a game made of synthetic resin
For the panel mounting frame, the frame piece is also formed integrally
There is also an advantage that it becomes easier.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko machine.

FIG. 2 is a rear view of the pachinko machine.

FIG. 3 is a perspective view of the pachinko machine with a front frame opened.

FIG. 4 is a perspective view of an essential part showing an enlarged part.

FIG. 5 is a sectional view of the same.

[Explanation of symbols]

2 Front frame 6 Hitting ball launching unit 7 Hitting ball supply plate 10 Gaming board mounting frame 10b Lower part of gaming board mounting frame 11 Gaming board 11a Back side of gaming board 25 Lower ball saucer 26 Prize ball buffer gutter 28 Mechanism plate 34 Out ball passage 34a Bottom Side wall 36 Recessed space 37 Frame piece

Claims (1)

(57) [Scope of utility model registration request] 1. A batting ball supply plate for supplying a pachinko ball to a batting ball launching unit and a lower ball receiving plate for storing surplus balls of the batting ball supply plate are mounted vertically on the front surface of the front frame, and on the back surface of the front frame. An award ball buffer gutter that receives the surplus balls of the game board mounting frame and the hitting ball supply tray and guides it to the lower ball receiving tray is attached, and the game board is detachably attached to the game board mounting frame, and on the back surface of the game board. Machine
A structure plate is attached so that it can be opened and closed freely.
Out ball passage that leads the out ball to the outside
A hollow that is formed below the lower wall and has an open front and bottom.
In a pachinko machine provided with a space, the game board mounting frame
Located above the prize ball buffer gutter at the lower part of the prize ball buffer gutter
Enclose the upper side and both sides of the game board, and attach the mechanical plate to the back of the game board.
In this state, the frame piece that projects into the concave space of the mechanism plate is projected integrally.
Anti-fraud structure in pachinko machines characterized by
Structure.