JPH0675572U - Fraud prevention structure for pachinko machines - Google Patents

Abstract

(57) [Abstract] [Purpose] It is easy to deliberately accept a hit ball 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 winning device or variable winning opening provided on the game board. Prevent fraudulent acts that transform the state. [Structure] The game board 11 fixed to the back surface of the front frame 2
In a lower portion 10b of the game board mounting frame 10 that supports the game board, a frame piece 37 that is located above the prize ball buffer gutter 26 and closes a gap between the back surface 11a of the game board 11 and the mechanism plate 28 is provided in a protruding manner. Consists of.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention inserts a piano wire or the like through the gap between the back surface of the game board and the mechanism plate, and operates the variable winning port and the winning device provided on the game board to intentionally make it easy to accept a hit ball. The present invention relates to a fraud prevention structure in a pachinko machine that prevents fraudulent acts caused by conversion.

[0002]

[Prior 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 batting ball supply plate for supplying a pachinko ball to the batting ball launching section. 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. Furthermore, a communication port is formed in the front frame to communicate with the lower ball tray, and a prize ball buffer gutter with an open upper surface that surrounds the communication port is attached to the back side of the front frame, and an out ball is attached to one side of the prize ball buffer gutter. A discharge gutter is provided to discharge the gas to the outside.

A game board mounting frame is fixed to the back surface of the front frame, and a game board equipped with back parts such as various winning holes and winning devices is attached to the game board mounting frame. A mechanism plate that covers the back of the game board is attached to one side so that it can be opened and closed. In addition to the prize ball discharge gutter that guides the prize ball payout device and the pachinko ball paid out from the prize ball payout device to the hitting ball supply plate, the mechanism plate has an out ball discharged from the out ball opening of the game board on the back side of the front frame. An out ball passage leading to the outlet is provided.

[0004]

[Problems to be solved by the device]

 However, since the mechanism plate is attached to the game board so as to be openable and closable, and is only fixed by the simple engaging means, there is a slight gap between the back surface of the game board and the mechanism plate. Therefore, for example, insert a piano wire or a thin cell plate from the front side of the pachinko machine into the communication opening of the lower ball saucer, and further insert the tip of the piano wire into the gap between the backside of the game board and the mechanism board. Cheating was often performed by crawling on the back side in order and operating a variable winning port or a winning device mounted on the game board to intentionally convert the ball into a state in which it was easy to accept a hit ball. Therefore, the present invention has been made in consideration of such a current situation, and an object thereof is to provide a fraud prevention structure in a pachinko machine, which is designed to prevent such fraud.

[0005]

[Means for solving problems]

 In order to achieve the above-mentioned object, the present invention mounts a batting ball supply plate for supplying a pachinko ball to the batting ball launching unit and a lower ball receiving plate for storing surplus balls of the batting ball supply plate on the front surface of the front frame, On the back side of the front frame is attached a game board mounting frame and a prize ball buffer gutter that guides the surplus balls of the hitting ball supply tray to the lower ball receiving tray, and the game board is detachably attached to the game board mounting frame. In a pachinko machine in which a back side of the game board is provided with a mechanism plate provided with back parts such as a ball tank and a prize ball payout device so as to be openable and closable, a prize ball buffer gutter is provided at a lower portion of the game board mounting frame. A frame piece that is located above and closes the gap between the back surface of the game board and the mechanism board is provided in a protruding manner.

[0006]

[Action]

 Even if you try to insert a piano wire or a thin cell plate from the front side of the pachinko machine to the back side of the game board and 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 game board is attached. In the lower part of the frame, a frame piece was located above the prize ball buffer gutter to close the gap between the back of the game board and the mechanism plate, so the gap between the back of the game board and the mechanism plate The road is blocked and entry into the back of the game board is completely blocked.

[0007]

【Example】

 An embodiment of a 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 are cross-sectional views of the relevant part. In the figure, 1 is a pachinko machine main body, and 2 is a front frame thereof. Reference numeral 3 denotes a glass door frame which is hinged to the front surface of the front frame 2 so as to be openable and closable, and two glass plates 4 and 4'arranged in front and back are fitted and held therein. 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. It is installed.

An award ball opening 8 through which a pachinko ball passes is opened in the front plate 5, and a connecting pipe 9 which is connected to the hit ball supply tray 7 and has a rear end opened is attached to the award ball opening 8. 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 and 10a of the game board mounting frame 10 support both side edges of the game board 11, and the lower portion 10b supports a lower side edge of the game board 11. Further, the game board mounting frame 10 and the back surfaces 10c and 11a of the game board 11 are formed in the same plane because of the mounting of a mechanism plate 28 described later. Reference numeral 12 is a discharge port which is opened in the lower portion 10b of the game board mounting frame 10 and through which the out balls pass.

A game area portion 14 surrounded by a guide rail 13 is formed between the glass plate 4 ′ and the surface of the game board 11. A variable display device 15 and a large-sized winning device 16 for generating a large number of winning balls at a time are provided substantially in the center of the game area portion 14, and a pair of opening / closing blades are provided at predetermined positions in the game area portion 14. A plurality of variable winning openings 17 for opening and closing the pieces to change the ball into a state in which the ball is easy to win and a state in which it is difficult to win the ball, a plurality of starting winning holes 18 for operating the variable display device 15, and the like are provided. Reference numeral 19 denotes an out ball opening provided on the lower side of the game area portion 14, which communicates with the discharge opening 12 of the game board mounting frame 10.

In the prize winning device 16, a horizontally elongated opening 21 is provided in the attachment substrate 20, and an opening / closing door 22 is attached to the opening 21. The open / close 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, is normally closed as shown by the solid line in FIG. When the magnet 23 is excited, the opening / closing door 22 is opened as shown by the chain line in the figure to convert the door 22 into a state in which the ball can be easily received.

A communication port 24 is formed in the lower side 2a of the front frame 2, and a lower ball tray 25 connected to the communication port 24 is attached to the front surface of the lower side 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. Numeral 27 is an ejection gutter provided on one side of the prize ball buffer gutter 26 for ejecting the out ball out of the pachinko machine.

Reference numeral 28 is a mechanism plate which is pivotably mounted on one end of the game board mounting frame 10 and which is openably and closably mounted so as to cover the back surfaces 10 c and 11 a of the game board mounting frame 10 and the game board 11. is there . 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 guided to a prize ball payout device 31 through a lead-out gutter 30. Further, below the prize ball payout device 31, the lower end is connected to the connecting pipe 9, and a prize ball discharge trough 32 for guiding a pachinko ball to the hitting ball supply tray 7 and a branch from the prize ball discharge trough 32 are provided. An overflow ball outflow gutter 33 is provided, the lower end of which faces the upper surface of the prize ball buffer trough 26 and which guides the surplus ball of the hit ball supply tray 7 from the communication port 24 to the lower ball receiving tray 25.

At a position directly above the prize ball buffer gutter 26, an out-ball passage 34 is provided inside the mechanism plate 28, the front surface of which is open and which communicates with the discharge port 12. The lower side wall 34a of the out-ball passage 34 is inclined, and the outlet 35 at the lower end of the flow path is connected to the discharge gutter 27. It falls and is guided from the discharge gutter 27 to the outside of the pachinko machine. Reference numeral 36 denotes 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. The surplus balls of the hit ball supply tray 7 are stored in the lower ball tray 25 from the communication port 24 through the overflow ball outflow trough 33 and the prize ball buffer trough 26. In addition, the out-balls that cannot be won enter the out-ball opening 19, are discharged from the discharge opening 12 provided on the back surface 10c of the game board mounting frame 10, pass through the out-ball passage 34, and from the discharge gutter 27 to the pachinko machine. It is discharged out of the machine.

Therefore, the present invention, as shown in FIGS. 3 to 5, is on the back side of the game board 11, more specifically, on the back surface 10c of the lower portion 10b of the game board mounting frame 10, above the prize ball buffer gutter 26. The frame piece 37 is projected at the position. Moreover, in the frame piece 37, the top wall 37a is parallel to the lower side wall 34a of the outer sphere passage 34 and has substantially the same length, and the vertical walls 37b, 37b are extended downward at both ends thereof. As shown in FIG. 4, the mechanism plate 28 is in close contact with the back surface 11a of the game board 11 so as to be exposed in the recessed space 36 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 path from the communication port 24 to the back surface 11a of the game board 11 is closed, so that even the front side of the pachinko machine body 1 is closed. Even if an attempt is made to insert a piano wire or a thin cell plate or the like into the communication port 24 and crawl on the back surface 11a of the game board 11, the frame piece 37 will prevent the advance of the tip. Therefore, it is impossible to operate the solenoid 23 or the variable winning opening 17 of the winning device 16.

[0017]

[Effect of device]

 As described above, in the fraud prevention structure according to the present invention, since the frame piece is projected above the prize ball buffer gutter at the lower portion of the game board mounting frame, the back surface of the game board and the machine The gap with the construction board is closed, and the entry of piano wires or cell boards to the back of the game board is completely blocked. As a result, an illegal act of intentionally operating the 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 it is easy to receive a hit ball is prevented.

[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 part 7 Hitting ball supply plate 10 Gaming board mounting frame 10b Lower part of gaming board mounting frame 10c Rear surface of gaming board mounting frame 11 Gaming board 11a Rear surface of gaming board 25 Lower ball saucer 26 Prize ball buffer trough 28 Mechanism Board 29 Ball tank 31 Prize ball dispensing device 37 Frame piece

Claims (1)

[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. A game ball mounting frame and a prize ball buffer gutter that guides the surplus balls of the hitting ball supply tray to the lower ball receiving tray are attached, and the game board is detachably attached to the game board mounting frame, and on the back surface of the game board. In a pachinko machine in which a mechanical plate provided with back parts such as a ball tank and a prize ball payout device is openably and closably mounted, a game board located above a prize ball buffer gutter at a lower portion of the game board mounting frame. A fraud prevention structure in a pachinko machine, characterized in that a frame piece is provided so as to close a gap between the back surface and the mechanism plate.