JP3167683B2 - Ball return prevention device for pachinko machines - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball returning prevention device for a shooting ball in a pachinko machine.

[0002]

2. Description of the Related Art Conventionally, in a pachinko machine of this type, it is preferable that a pachinko ball fired once does not return to the hammer device side. For this reason, a ball return preventing device is mounted on the upper end of the firing rail. 3-301
No. 38 publication. The technical content disclosed in this publication is that a tongue piece made of an elastic body is provided at the upper end of the inner side of the launching ball guide rail provided on the front of the game board, with the upper end facing upward, The guide rail is mounted such that the distance from the outside of the guide rail is smaller than the diameter of the pachinko ball and larger than the radius of the pachinko ball.

[0003]

However, in the conventional structure, a tongue-like elastic body is provided at the upper end of the guide rail of the shooting ball so as to be directed in the shooting direction, and the elasticity of the shooting ball is utilized by utilizing the elasticity. Although it is configured to be able to fly without affecting the speed and to prevent the return ball, in the case of this elastic body, the bending at the time of firing and the bending at the time of prevention are repeated many times. Therefore, there has been a problem that, over time, the material itself becomes brittle and its elastic function is reduced, which may cause breakage.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems. By utilizing the principle of a pendulum, it is possible to fly a ball without affecting the speed of a shot ball, and to control a return ball. It is an object of the present invention to provide a ball return preventing device for a pachinko machine that can prevent such a problem and does not lose its function.

[0005]

According to a first aspect of the present invention, there is provided a ball return preventing device including a guiding portion for guiding a pachinko ball hit by a hitting device onto a game surface. A guide member for preventing backflow to the guiding portion,
A rotating shaft for rotatably supporting the guide member, wherein the guide member is rotated in a direction to open an exit of the guiding portion to allow a pachinko ball to be fired on the game surface while being closed. A ball return prevention device of a pachinko machine that rotates in a direction to prevent return of the pachinko balls shot to the game surface to the guide portion, wherein the guide member is configured to move the guide portion with respect to the rotation shaft. An opening / closing unit for opening and closing the outlet; and a weight unit for constantly urging the opening / closing unit in a direction to close the guide unit outlet, and a pachinko to the weight unit by covering at least the weight unit of the guide member. the case body is provided we are to prevent a collision of the ball,
Moreover, the opening / closing part of the guide member faces the outlet of the guiding part.
And a leading edge thereof is formed on the game surface.
The lower side has a higher inclined edge on the opposite side . Further, the ball return prevention device according to a second aspect of the invention, the bullet by the elastic device
A guidance unit is provided to guide the emitted pachinko balls on the gaming surface.
For example, Guy to prevent that you backflow pachinko ball is to the induction part
And a rotation shaft for rotatably supporting the guide member.
A direction in which the guide member opens an outlet of the guiding portion.
To allow the launch of pachinko balls on the gaming surface
On the other hand, it was rotated in the closing direction and fired on the gaming surface
Pachinko machine that prevents pachinko balls from returning to the guiding section
Wherein the guide member is pivoted.
An opening / closing section for opening and closing the guide section outlet with respect to a shaft;
And a weight that always urges the section in the direction to block the guide section exit.
To cover the weight portion of the guide member,
A case body is provided to prevent collision of pachinko balls.
Also, the opening and closing part of the guide member is directed toward the guide part outlet.
It is formed in the shape of a plate that extends, and its leading edge is
The lower side has a higher sloped edge. Claim 3
The ball return prevention device according to the present invention is described in claim 1 or 2.
Ball return prevention device for pachinko machines,
Is a projection fitted into the fitting portion provided on the game surface,
Attachment to attach the case body to the game surface with nail members
Holes are formed respectively. The invention of claim 4
The ball return prevention device according to any one of claims 1 to 3.
The ball return prevention device for a pachinko machine described in the above, wherein the case
The body faces the launch rails located on the gaming side of the guidance section.
And is shaped to follow the game side of the launch rail.
I have. The ball return prevention device according to the invention of claim 5 is
Ball reversion of the pachinko machine according to any one of claims 1 to 4.
The case body is located on the gaming side of the guiding section.
The side facing the installed launch rail is opened, and
The opening / closing part of the guide member extends from the mouth toward the guide part exit
And a part of the opening is
It is closed.

[0006]

According to the present invention, there is provided a ball return preventing device for a pachinko machine.
Here, the guide member including the opening / closing portion and the weight portion rotates to open and close the exit of the guide portion, thereby preventing the pachinko ball once shot from the exit to the game surface from returning to the exit. That is, the guide member is instantaneously rotated in the opening direction by the contact force of the pachinko ball (flying ball) repelled by the repelling device, and the contact between the pachinko ball and the guide member is extremely short, so The ball is launched at almost the same speed as the launch speed without suppressing the ball speed. Also, after the pachinko ball passes through the guide member and is fired from the exit onto the gaming surface, the guide member is instantaneously returned to the original position, that is, the position for closing the exit of the guiding portion, by the principle of the pendulum. Even a flying ball that has been quickly bounced back by a nail or the like at a shorter distance can be reliably prevented from returning to its exit. Further, the pendulum operation (rotation operation) can be performed on the guide member without using a special means such as a spring.
To make the lower weight portion of the guide member heavier than the upper opening / closing portion can be realized by forming the weight portion side longer than the opening / closing portion side or by providing a weight portion below. In addition, the behavior of the pachinko balls fired on the game surface makes complicated movements due to the nails provided on the game plate surface, and does not always return to the guide portion exit side. That is, the pachinko ball fired on the game surface often flies toward the weight portion of the guide member . In this case, depending on the case body,
Of the pachinko ball to the weight portion by covering the weight portion of the guide member.
Collision can be prevented. Also, in claim 1
Thus, the front side shield plate of the case body shields the front side portion of the space and covers the weight portion of the guide member, so that the design can be improved. Further, in claim 2, the guide
The opening and closing part of the member is shaped like a plate extending toward the outlet of the guiding part.
The tip edge is lower on the gaming side and higher on the opposite side.
It is done by making a sloping edge. Because of this,
The shot pachinko balls are tilted at the tip of the opening / closing part of the guide member.
From the guide exit to the game area of the game board by touching the edge
When fired, the slack edge induces a cracking action.
The ball is guided in the direction toward the game board,
The pachinko ball moves forward, that is, in the direction that hits the glass plate.
Failure to be fired can be prevented. Guy
The opening and closing part of the
Reduces the load due to the collision of Koballs based on the inclination angle of the inclined edge
To prevent wear of inclined edges and improve durability
Can be achieved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows the firing port 4 side of a pachinko ball P, and a hammer device (not shown) as a resilient device. ) Side, a guide rail 2 and a launch rail 3 are laid in a substantially arc shape at a predetermined interval on the game surface 1, and the guide rail 2 and the launch rail 3 play a pachinko ball P ejected by a hammer device. A guide path for guiding on the surface 1 is formed. The firing rail 3 is formed shorter than the guide rail 2 to form a firing port 4 (also referred to as an outlet), and a ball return preventing device 5 is attached to the firing port 4.

The ball return preventing device 5 includes a main body case 6 as a case body and a guide member 20. The main body case 6 is made of a synthetic resin or the like, and the main body case 6 has a mounting width substantially equal to the width of the firing rail 3, and the mounting base 7 side is on the game surface 1 side of the firing rail 3. A mounting hole 9 is formed in a substantially unequal quadrilateral shape having a mounting piece 8 along the mounting hole 9 for mounting with a nail member at a predetermined position. A reference projection 10 is provided so as to protrude (see FIGS. 2 and 3). Further, as shown in FIG. 1, a support piece 12 is formed to extend in a substantially curved shape from the inner piece 11 of the mounting base 7 on the opposite side of the illustrated mounting piece 8 toward the arc-shaped extension of the firing rail 3. A hook-shaped bent portion 13 is formed at the tip. A front shield plate 14 is integrally provided on the front side in the figure of the main body case 6 to form a space portion 15, and an edge 14a of the front shield plate 14 on the side of the launch rail 3 is a game surface of the launch rail 3. A relief 16 having a predetermined interval t is formed between the same edge 14a and the tip of the bent portion 13 so as to follow the one side.

A cylindrical power bone 17 is formed at a predetermined position on the inner surface of the support piece 12, and the end face of the power bone 17 on the side of the game surface 1 is attached together with the projection 10 to the mounting reference. Projection 18 is provided. A metal pivot pin 19 (also referred to as a rotating shaft) for attaching the guide member 20 substantially concentrically to the bent portion 13 is attached to the shielding slope 14 on the bent portion 13 above the force bone portion 17. Have been.

The guide member 20 is formed of a synthetic resin or the like into a plate shape having elasticity.
As shown in the figure, a bearing 21 is formed at a predetermined position so as to be rotatably fitted to the pivot pin 19, and a short plate 22 (also referred to as an opening / closing part) is provided on the upper side of the drawing with the bearing 21 as a boundary.
However, a long plate 23 is formed on the lower side, and the short plate 22 and the long plate 23 are formed in a substantially rectangular shape at a predetermined angle, and the guide member 20 is on the front shielding plate 14 side. The edge is formed with a notch 24 over a predetermined range.
Further, at the lower end of the long plate 23, a force-like weight portion 25 is formed in the width direction (the long portion 23 and the weight portion 25 are also referred to as a weight portion). On the upper edge side, an inclined edge 26 is formed at a predetermined angle as shown. That is, as shown in FIG. 1, FIG. 5 and FIG.
The short plate 22 forming the opening / closing part of the guide member 20 has
) And formed in a plate shape extending toward
Means that the gaming surface located on the right side in FIG.
The side forms a high inclined edge 26. The guide member 20 formed as described above is rotatably fastened by a C-ring or the like with the bearing portion 21 inserted through the pivot pin 19 and the short plate 22.
Project from the main body case 6.

At the time of mounting the ball return preventing device 5 formed as described above, a predetermined position on the game surface 1 on the side of the firing port 4 of the firing rail 3 is projected in advance to the main body case 6 by a gauge or the like, though not shown. A hole into which the mounting reference (positioning) projections 10 and 18 are fitted is formed. When the projections 10 and 18 are fitted into the holes, as shown in FIG. A part of the edge 14a of the front shield plate 14 is abutted along the firing rail 3 and the short plate 22
Is facing the front side of the launch hole 4 and is fixed to the game surface 1 by a nail member through the mounting hole 9 in this state. In this mounted state, as shown in FIG. 1, the long plate 23 side of the guide member 20 has the weight portion 25 abutting on the inside of the support piece 12, and in this state the short plate 22 is vertically erected in the figure and the ejection port is opened. 4 width H
Is supported in a state of being shielded and directed in the direction in which the flying ball is fired.

When the pachinko ball P is fired by the hammer device in the pachinko machine equipped with the ball return preventing device 5 as described above, the pachinko ball P is guided to the firing port 4 side along the outer guide rail 2. As shown in FIG. 1, a short plate 2 of a guide member 20 facing forward when it comes out of the firing port 4.
The second inclined edge 26 is contacted. Since the guide member 20 is rotatably provided through the pivot pin 19 by this contact force, the guide member 20 is immediately pivoted clockwise about the pivot pin 19 to be positioned at the position indicated by the two-dot chain line in FIG. That is, the bent portion 13
The guide member 20 is rotated to form an extension of the firing rail 3 at the same time as the pachinko ball P is passed to the game surface 1 side. The guide member 20 is rotated counterclockwise by a weight portion 25 formed below the long plate 23.
Is returned to its original position, so that the pachinko ball P, which is about to be bounced back by the nail or the like toward the firing port 4, collides with the short plate 22 located at the front of the firing port 4, and the guide member 20 does not.
The counterclockwise rotation is prevented by the long plate 23 and is not rebounded to the game surface 1 side to return to the firing port 4.

As described above, according to the ball return preventing device 5 of the present embodiment, the guide member 20 is provided with the short plate 22 and the long plate 23 with the bearing 21 as a boundary, and the weight portion 25 is provided below the long plate 23. And the main body case 6 utilizing the principle of the pendulum
, The pachinko ball P fired by the hammer device is used at the firing speed at the firing speed.
The guide member 20 comes into contact with the inclined edge 26 side of the short plate 22 of the guide member 20, but the guide member 20 is instantaneously rotated clockwise by this contact force. Since the contact is extremely short, the flying ball is launched at substantially the same speed as the firing speed without suppressing the flying speed. In addition, after the pachinko ball P jumps, the guide member 20 is instantly returned to the original position by the principle of the pendulum,
It is also possible to prevent flying balls that are quickly bounced back by a nail or the like that is closer than the firing port 4. Further, the contact force at which the pachinko ball P comes into contact with the inclined edge 26 of the guide member 20 is such that the guide member 20 is instantaneously rotated and the inclined edge 26 is formed longer than a horizontal one, so that the vibration of the guide member 20 The effect on the bearing portion 21 and, consequently, the pivot pin 19 is significantly reduced in conjunction with the dispersal, so that the pendulum operation function can be prevented from lowering. In addition, the behavior of the pachinko ball P fired on the game surface 1 makes complicated movements due to the nails provided on the game surface 1 and does not always return to the guide portion firing port 4 side. That is, the pachinko ball P fired on the game surface 1 may fly toward the weights 23 and 25 of the guide member 20, but the guide member 20 fires the guide portion to the pivot pin 19. A short plate 22 that opens and closes the mouth 4 and a long plate 23 that has a weight portion 25 that constantly urges the short plate 22 in a direction that closes the firing port 4 of the guide portion. Since the main body case 6 is provided to cover the long plate 23 and prevent the pachinko balls P from colliding with the long plate 23 having the weight portions 25, the flying balls to the weight portions 23, 25 The guide member 20 can be protected by being shut off by the case 6, and the guide member 20 is rotated in a direction to open the firing port 4 of the guide portion due to the collision of the pachinko balls P with the weight portions 23 and 25. Prevention and durability Boss, it is possible to maintain the function of the ball return preventing apparatus 5 over a long period of time. Further, since the pivot pin 19 is provided on the main body case 6 and the guide member 20 is assembled to the main body case 6 via the pivot pin 19, the ball return preventing device 5 can be assembled. Can be easily attached to the outlet. For example, if a positioning portion is provided in the main body case 6, positioning of the guide member 20 with respect to the guide portion outlet can be easily performed.

[0014]

As described above, according to the present invention,
If, because after flying ball of pachinko balls is the guide member is restored instantaneously to its original position by the principle of the pendulum, Fei ball guide member rapidly bounce back by ejection port from a short distance such as a nail
Can be received by the opening / closing part . When the pachinko ball fired on the game surface flies toward the weight portion of the guide member, the weight of the guide member is reduced by the case body.
Cover to prevent collision of pachinko balls with the weight
be able to. In this manner, the guide member can be protected by the case body, preventing the guide member from rotating in the direction to open the exit of the guiding portion due to the collision of the pachinko ball with the weight portion, and improving durability. Thus, the function as the ball return preventing device can be maintained for a long time. In addition, by covering the front side portion of the space portion and covering the weight portion of the guide member by the front shielding plate of the case body, it is possible to enhance the design. In other words, it is easy to give a decoration function to the front surface of the front shielding plate, and it is possible to further enhance the design by decorating the front surface of the front shielding plate.

[Brief description of the drawings]

FIG. 1 is a front view in which a ball return preventing device is attached to a launch port of a pachinko ball.

FIG. 2 is a plan view of a main body case of the ball return preventing device.

FIG. 3 is a rear view of the main body case.

FIG. 4 is a sectional view taken along line AA of FIG. 2;

FIG. 5 is a side view of the guide member.

FIG. 6 is a plan view of a guide member.

[Description of Signs] 2 Guide rail 3 Launch rail 4 Launch port 5 Ball return prevention device 6 Main body case (case body) 7 Mounting base 12 Supporting piece 13 Bending portion 14 Front shield plate 15 Hollow portion 19 Pivot pin (rotating shaft) 20 guide member 21 bearing part 22 short plate (opening / closing part) 23 long plate (weight part) 25 weight part (weight part)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A 3-781 (JP, U) JP-A 50-90784 (JP, U) JP-A 56-127784 (JP, U) (58) Survey Field (Int.Cl. ⁷ , DB name) A63F 7/02

Claims (5)

(57) [Claims] 1. A guide member for guiding a pachinko ball ejected by a repelling device onto a game surface, a guide member for preventing the pachinko ball from flowing back to the guide portion, and the guide member is rotatable. The guide member rotates in a direction to open the exit of the guide portion to allow the pachinko balls to be fired on the game surface, while rotating in the closing direction to rotate A ball return prevention device for a pachinko machine that prevents a pachinko ball fired on a game surface from returning to the guiding portion, wherein the guide member includes an opening / closing portion that opens and closes the guiding portion outlet with respect to the rotation shaft. A weight that constantly biases the opening / closing section in a direction to close the guide section exit, and a case body that covers the weight of the guide member and prevents collision of the pachinko balls with the weight. provided al is, moreover, the case body, the front side of the space portion And蔽
A ball return prevention device for a pachinko machine having a front shielding plate that covers a weight portion of the guide member . 2. A guide member for guiding a pachinko ball hit by a repelling device onto a game surface, and a guide member for preventing the pachinko ball from flowing back to the guide portion, and the guide member is rotatable. The guide member rotates in a direction to open the exit of the guide portion to allow the pachinko balls to be fired on the game surface, while rotating in the closing direction to rotate A ball return prevention device for a pachinko machine that prevents a pachinko ball fired on a game surface from returning to the guiding portion, wherein the guide member includes an opening / closing portion that opens and closes the guiding portion outlet with respect to the rotation shaft. A weight that constantly biases the opening / closing section in a direction to close the guide section exit, and a case body that covers the weight of the guide member and prevents collision of the pachinko balls with the weight. provided al is, moreover, the opening and closing portion of the guide member is the guide portion To the mouth direction
And a leading edge thereof is formed on the game surface.
A ball return prevention device for a pachinko machine with a low side and a high slope on the opposite side . 3. The ball of a pachinko machine according to claim 1 or 2.
A return prevention device , wherein the case body is fitted into a fitting portion provided on a game surface.
And the case body is secured to the game surface by a nail member.
Mounting holes for pachinko machines
Ball return prevention device. 4. The method according to claim 1, wherein
A ball return preventing device for a cock machine, wherein a case body is a firing rail disposed on a game surface side of a guiding portion.
Is shaped to follow the playing surface of the launch rail.
Ball return prevention device for pachinko machines. 5. The package according to claim 1, wherein
A ball return preventing device for a cock machine, wherein a case body is a firing rail disposed on a game surface side of a guiding portion.
The side opposite to is opened, and the guide member
The opening / closing section extends toward the guidance section exit, and
A crack whose mouth is partially closed by the firing rail
Ball return prevention device for a cat machine.