JPH08187331A - Ball guide mechanism of pachinko machine - Google Patents

Abstract

PURPOSE: To weaken the dropping force of a pachinko (Japanese pinball game) ball from the ball dropping port of a ball guide mechanism. CONSTITUTION: Force decreasing parts 25 are provided protrusively on front path walls 21 is the neighborhood of the terminating parts of lower guide paths 28 formed on both sides of the ball dropping port 22 out of ball guide passages which communicate a ball faucet and the ball dropping port 22, respectively, and the pachinko ball passing through the lower guide path 28 rebounds from the force decreasing part 25, and it is guided to the ball dropping port 22 in a state in which the force of the pachinko ball is weakened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball guiding mechanism in a game board of a pachinko machine.

[0002]

2. Description of the Related Art A ball guide mechanism of a pattern display device mounted on a game board of a pachinko machine has a ball receiving hole for receiving a pachinko ball hit on the game board surface, and a ball opened just above the winning opening of the game board surface. A ball passage communicating with the outlet is formed, and a pair of left and right guide paths through which the pachinko balls flow down toward the ball outlet are formed in the lower portion of the ball passage.

[0003]

If the pachinko ball passing through the taxiway travels at a high speed, the pachinko ball falls diagonally downward from the ball drop opening due to the ball force, making it difficult to enter the winning opening. Alternatively, there is a problem that the pachinko ball stays on the taxiway for a long time by repeating the passing operation in which the pachinko ball passes through one taxiway and enters the other taxiway. An object of the present invention is to weaken the force of a pachinko ball that is guided to a ball drop opening in a ball guiding mechanism.

[0004]

According to a first aspect of the present invention, there is provided a ball guiding mechanism having a ball guiding passage having a ball opening formed immediately above a winning opening on a game board surface. In the vicinity of, there is a structure in which a depressurizing portion that diminishes the ball force of the pachinko ball flowing down toward the ball drop opening is formed.

According to a second aspect of the present invention, in the ball guide passage, the guide is provided on a road wall surface near the end portions of a pair of left and right guide passages formed in a descending shape on both sides of the ball drop opening. It has a configuration in which each of the energy-reducing portions that deflects the rolling direction of the pachinko ball passing through the road to reduce the sphere is projected.

[0006]

According to the first aspect of the present invention, when the pachinko ball flows down toward the ball drop opening, the ball force of the pachinko ball is weakened by the weakening portion in the vicinity of the ball drop opening, and the ball is weakened. Falls from the ball drop.

According to the second aspect of the present invention, the pachinko balls that have flowed to the vicinity of the terminal end of the taxiway are repelled by the depressing portion, and the rolling directions of the pachinko balls are deflected to weaken the ball positions. The ball is guided to the ball exit.

[0008]

According to the invention of claim 1, the pachinko ball flowing down toward the ball drop opening can be introduced into the ball drop opening while the ball force is weakened by the depressing portion. It is possible to correct the falling direction of the pachinko ball that falls from, and reduce the fluctuation range of the falling direction.

According to the second aspect of the present invention, even if the pachinko ball passing through the taxiway has a strong gradient and the pachinko ball passing through the taxiway has a strong inclination, the rolling speed of the pachinko ball is properly reduced. Then, after the ball force is effectively reduced, the pachinko ball can be dropped from the ball drop opening and the retention time of the pachinko ball on the taxiway can be shortened.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. In the pachinko machine, in the vicinity of the central part of the game board 1, left, right, and middle special symbols are displayed in a horizontally elongated special symbol display portion 2a, and a normal symbol display portion 2 for displaying ordinary symbols.
The symbol display device 2 including b and the ball guiding mechanism is attached.

In addition, the game board 1 is installed below the symbol display device 2 and has a start winning opening 3a which can be opened / closed, and a starting winning device 3 which is installed below the starting winning device 3 and can be opened / closed. A lower winning a prize device 4 having a special winning opening 4a and a pair of right and left winning openings 4b, and left and right gates 5 adjacent to both sides of the symbol display device 2 are mounted.

When the pachinko ball hit on the game board surface 1a passes through the gate 5, the ordinary symbol display portion 2b starts the variable display of the ordinary symbol, and when a certain time elapses after the pachinko ball passes through the gate 5, it is ordinary. When the symbol display unit 2b stops the variable display of the normal symbol and the normal symbol when the variable display is stopped becomes a winning symbol, the starting winning opening 3a is opened for 0.5 seconds or 2 seconds.

When the game ball wins the starting winning opening 3a, the special symbol display portion 2a starts the variable display of the left, middle and right special symbols, and when a certain time elapses after the gaming ball wins the starting winning hole 3a. , The special symbol display section is left, right, middle special symbols in the order of special symbols is stopped and the special symbols when the variable symbols are stopped become the winning symbols, the special winning opening 4
a is opened for about 30 seconds.

The symbol display device 2 has an upper wall portion 7a and a lower wall portion 7b, and left and right side wall portions 7c and 7c, and a horizontally elongated window portion 7d is opened to form a substantially rectangular frame-shaped base. A frame 7 is provided.

On the rear surface of the base frame 7, a transparent window plate 12 for closing the opening 7d is screwed, and on the rear side of the base frame 7, a display substrate 29 connected to the base frame 7, Three symbol display bodies 13 arranged in a horizontal row are installed on the special symbol display portion 2a attached to the front surface of the display substrate 29.

In the sphere guiding mechanism of the symbol display device 2, the upper wall portion 7a of the base frame 7 has a winning entrance 8 arranged at the upper end of the center portion in the left-right direction, and a diagonally lower left of the winning entrance 8 below. And a pair of left and right ball sockets 9 respectively disposed diagonally downward to the right are opened, and the upper wall 7a is installed behind the sky entrance 8 and falls into the sky entrance 8. The first gutter part 10 for guiding the pachinko ball to the back side of the game board 1, and a pair of left and right for guiding the pachinko ball that has been installed in the rear side of both ball receiving ports 9 into the ball receiving port 9 to the rear. Second gutter 11
And are formed.

A pair of left and right ball passage openings 14 are formed at the lower ends of the rear ends of both side wall portions 7c of the base frame 7, and the left side ball passage opening 14 and the left second gutter portion 11 and the right side ball are provided. The through hole 14 and the second gutter 11 on the right side are the display substrate 29.
And the left and right guide gutters 15 installed on the rear side of the game board 1 and connected to the base frame 7 while bypassing the symbol display body 13 are in communication with each other.

On the upper surface of the lower wall portion 7b of the base frame 7, there are inclining inward in a concave arc shape from the front side of both ball through openings 14 to the central portion in the left-right direction of the upper surface of the lower wall portion 7b. Left and right 1 with a slight downward slope near the inner edge
A pair of guideway surfaces 16 are formed along the game board surface, and a plane shape is formed in a substantially V shape in the boundary portion of both guideway surfaces 16 in a state where the groove width is gradually increased to the inner end of the guideway surface 16. A guide groove 17 that guides the rolled pachinko ball forward is recessed.

At the rear end of the lower wall portion 7b, a pair of left and right rear passage walls 18 connected to the rear end edges of both guideway surfaces 16 are erected.
A rear passage wall surface 19 formed by the front surfaces of the rear passage walls 18 and the lower front surface of the window plate 12 is formed at the rear end edges of the two guide passage surfaces 16.

On the front end face of the lower wall portion 7b, a pair of left and right road wall plates 20 are joined, the upper part of which projects above the front end edges of the two guide road surfaces 16 and the upper end edge of which is inclined in substantially the same manner as the two guide road surfaces 16. ,
Front road wall surfaces 21 are formed on the rear surfaces of both road wall plates 20, respectively.

At the center of the front end of the lower wall portion 7b of the base frame 7 in the left-right direction, it is provided between the inner end edges of both road wall plates 20 and is arranged directly above the starting winning opening 3a of the starting winning device 3. Start a pachinko ball that has passed over both guideways 16 Winning hole 3
A ball drop opening 22 is formed so as to fall toward a.

The sphere guiding mechanism of the symbol display device 2 is a ball receiving port 9
And a pair of left and right ball guide passages 23 that communicate with the ball drop opening 22, respectively.
The upper guideway 26 formed in 1 and the rear guideway 27 formed in the guide trough 15 and the front and rear road wall surface 2 on the guideway surface 16.
The pachinko balls that are formed in a state in which the lower guideways 28 formed between 1 and 19 are connected in series, and that have fallen into the ball receiving port 9 are dropped through one of the ball guideways 23. Fall from the mouth 22.

At the inner ends of the front passage wall surfaces 21 of the front passage walls 20 of the lower wall portion 7b of the base frame 7, near the ball drop openings 22, the end portions of both lower guide passages 28 are provided. Depressing portions 25 each having a transverse cross-sectional shape that is raised in a shape are provided so as to divert the rolling direction of the pachinko ball that has flowed down to the end portion of the lower guideway 28 and reduce the ball force of the pachinko ball. ing.

The pachinko ball flowing down to the terminal end of the lower guideway 28 collides with the depressurizing portion 25 immediately before passing through the lower guideway 28, is repelled toward the rear road wall surface 19 side, and the ball is weakened by the collision. Is guided to the ball dropout port 22 and dropped into the ball dropout port 2
Fall from 2.

Next, the operation and effect of the embodiment having the above construction will be described. In this example, a ball socket 9 for receiving a pachinko ball hit on the game board surface 1a, and a ball drop opening 22 formed immediately above the starting winning opening 3a of the game board surface 1a.
Among the ball guide passages 23 communicating with and, the lower guide passage 28 is provided on the front wall surface 21 near the terminal end of the pair of left and right lower guide passages 28 formed in the forward and downward directions on both sides of the ball drop opening 22. Each of the projections has a depressing portion 25 that diverts the rolling direction of the pachinko ball passing through to diminish the sphere.

Therefore, the pachinko ball flowing down toward the ball dropout port 22 can be introduced into the ball dropout port 22 in a state in which the force of the ball is weakened by the depressurizing portion 25, and the pachinko ball which falls down from the ball dropout port 22. It is possible to correct the falling direction of the ball and reduce the fluctuation range of the falling direction.

Further, even when the slope of the road surface of the lower taxiway 28 is steep and the pachinko ball passing through the lower taxiway 28 has a strong sphere, the rolling speed of the pachinko ball is appropriately reduced and the After the ball force is effectively reduced, the pachinko ball can be dropped from the ball drop opening 22 and the residence time of the pachinko ball in the lower guideway 28 can be shortened.

It should be noted that the damping portion 25 may be formed by a groove portion which is recessed in the road wall surface near the terminal end portion of the lower guide passage 28.
Alternatively, the depressurizing portion 25 may be formed by a protrusion that is provided near the inner end of the guideway surface 16 or a groove that is provided near the inner end of the guideway surface 16.

[Brief description of drawings]

FIG. 1 is a front view of a game board showing one embodiment of the present invention.

FIG. 2 is a front view of a symbol display device and a starting winning device.

3 is an enlarged cross-sectional view taken along line X1-X1 of FIG.

FIG. 4 is an enlarged sectional view taken along line X2-X2 of FIG.

5 is an enlarged sectional view taken along line X3-X3 of FIG.

6 is a view taken along line X4-X4 in FIG.

FIG. 7 is a rear view of the road wall plate.

[Explanation of symbols]

 1 game board 2 symbol display device 3a start winning hole 9 ball receiving 16 taxiway surface 21 front road wall surface 22 ball drop opening 23 ball guiding passageway 25 damping portion 28 lower taxiway

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuaki Kito Nishinokawa, Nishimura, Nishi-Kasugai-gun, Aichi Prefecture No. 1 Nishinogawa, Daiichi Shokai Co., Ltd. No. 1 in Daiichi Shokai Co., Ltd. (72) Inventor Yoji Kawakami Nishinokawa, Nishiharu Kasugai-gun, Aichi Ojimura Nishinokawa No. 1 Daiichi Shokai Co., Ltd. (72) Koichi Iida Nishiharu, Nishiharu-cho, Aichi Okimura Nishinokawa No.1 Daiichi Shokai Co., Ltd. (72) Inventor Hajime Shiomi Nishiharu, Nishikasugai, Aichi Prefecture Okimura Nishinogawa No.1 Daiichi Shokai Co., Ltd.

Claims (2)

[Claims] 1. A ball guiding mechanism in which a ball guiding passage having a ball dropping opening opened directly above a winning opening on a game board surface is formed, and a ball guiding mechanism is provided in the vicinity of the ball dropping opening toward the ball dropping opening. A ball guiding mechanism for a pachinko machine, which is characterized in that a weakening portion is formed to reduce the force of a falling pachinko ball. 2. A pachinko ball passing through the taxiway on the road wall surface near the terminal ends of a pair of left and right taxiways that are formed on both sides of the ball drop opening in the ball guiding path. 2. A ball guiding mechanism for a pachinko machine according to claim 1, further comprising projecting depressurizing portions for deflecting the rolling direction of the balls to diminish the ball.