JP3090894B2 - Ball launcher 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 firing device for a pachinko machine.

[0002]

2. Description of the Related Art A conventional ball launching device of a pachinko machine uses an energy stored in an energy storage member such as a spring to swing a ball hammer, and the ball placed at a firing position by the ball hammer. Is widely used. However, such a conventional ball launching device hits a stationary ball with a ball hammer and strikes it, so even if there is a slight displacement between the ball and the ball hammer, ball flying is unstable There was a problem of becoming.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and adopts a launching method which is significantly different from the conventional one, so that a stable ball jump can always be ensured. The purpose of the present invention is to provide a ball firing device.

[0004]

The present invention the above object, according to an aspect of was made in order to solve the energy storage member, one by utilizing the energy stored in the energy storage member
In a ball launching device for a pachinko machine including an accelerating member including a rotating body that accelerates and emits a game ball by rotating or reciprocatingly rotating in a fixed direction, and a ball supply device that supplies the ball to the accelerating member, Is rotated by a drive arm fixed to the output shaft of the motor to store energy in the energy storage member, and a ball supply device supplies a ball to a starting point of the acceleration member. The present invention is characterized in that the ball is continuously accelerated over a predetermined acceleration section in the guide groove and then fired on the board surface. As described below, the acceleration member may be configured by a rotating body that rotates in a fixed direction, or may be configured by a rotating body that reciprocates.

[0005] In the ball firing device of the present invention, the accelerating member includes a motor.
Rotate with a drive arm fixed to the output shaft of
The energy storage member to accumulate energy rice planting, the supplied beaded start point of the acceleration member, energy蓄
Utilizing the energy stored in the stacking member, it is continuously accelerated by the acceleration member over a predetermined acceleration section and then fired on the board surface, so that the impact is applied to the stationary ball with a ball hammer as in the past. Unlike the method of hitting a ball, the firing direction and the firing speed of the ball are constant, and a stable ball jump can be always secured. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment: Continuous Rotation System] In FIGS. 1 to 5, reference numeral 1 denotes a base frame fixed to a base of a pachinko machine, and a bearing 2 is provided at the center thereof. A circumferential outer protrusion 3 is formed on the outer periphery. A portion of the outer projection 3 facing the firing rail 4 is cut out, and both sides of the notch are substantially linear. A concentric inner protrusion 5 is formed inside the circumferential outer protrusion 3. The inner projection 5 is composed of two projections having a central angle of about 120 °, between which are provided a ball braking means 6a and an acceleration member braking means 6b which will be described in detail later. Reference numeral 7 denotes a circular side guide, which forms a circular guide groove 8 together with the outer protrusion 3 and the inner protrusion 5.

Reference numeral 9 denotes a ball accelerating member composed of a rotating body .
A ball accelerating projection 10 that engages with the ball is provided at the tip of the sector. The center of the acceleration member 9 is fixed to a shaft 11 supported by the bearing 2 so that the acceleration member 9 can rotate together with the shaft 11. As shown in FIG. 2, the ball acceleration projection 10 is inserted into the circular guide groove 8 through a slit formed between the inner projection 5 and the side guide 7.

A crank plate 12 is integrally fixed to the shaft 11, and a hook 13 is pivotally mounted at an eccentric position. The hook 13 has an energy storage member 14
One end of the spring as is is engaged, in a state where no external force is applied acceleration member 9 is added to the spring force to take the position of FIG. The energy storage member 14
The other end is locked to an adjustment lever 15 provided at an end of the base frame 1, and when the player operates the handle 16, the adjustment lever 15 is rotated via the wire 17 to adjust the spring strength. Is available. Reference numeral 18 denotes a spring strength adjusting lever on the side of the pachinko parlor, which changes the position of the roller 19 by changing its angle and changes the effective length of the wire 17 to adjust the relative relationship between the handle 16 and the adjusting lever 15. I can do it.

Reference numeral 20 denotes a base frame 1 via a support post 22.
It is a motor attached to. A drive arm 21 is fixed to an output shaft of the motor 20.
By the rotation of 0, the drive arm 21 pushes the crankpin 12a of the crank plate 12, and the acceleration member 9 is forcibly rotated from the position shown in FIG. During this time, the energy storage member 14 is pulled by the hook 13, and elastic energy is stored. Thereafter, when the accelerating member 9 exceeds the position, the energy storage member 14 rotates the accelerating member 9 and the ball accelerating projection 10 continuously moves the ball inside the guide groove 8 from the position of the ball to the position. And then fires at the board.

Reference numeral 25 denotes a ball supply device provided above the guide groove 8. The ball supply device 25 includes a ball supply lever 26 that swings in conjunction with the rotation of the acceleration member 9.
After the ball accelerating projection 10 has passed, one ball is inserted into the guide groove 8.
To the bottom of the The ball stops at the bottom of the guide groove 8 serving as a starting point of acceleration of the acceleration member 9, and is accelerated by the ball acceleration projection 10 of the acceleration member 9 that has rotated once.

It is not preferable that the ball supplied to the bottom of the guide groove 8 by the ball supply device 25 rolls right and left, because the acceleration section changes. Therefore, ball braking means 6a is provided in this portion. In the ball braking means 6a, the base end of an arc-shaped body having the same radius of curvature as the inner protrusion 5 is pivotally connected to the base frame 1 by a pin 27, and the distal end of the ball is spring-loaded lightly toward the outer protrusion 3 by a spring 28. Structure. For this reason, the ball supplied to the bottom of the guide groove 8 is supplied to the braking means 6a.
As a result, the brake is applied lightly, and it is stabilized at a certain position. 6b is an acceleration member 9 having a similar structure.
Braking means. The braking means 6b is for preventing the acceleration member 9 from swinging irregularly after the ball is fired.

In the ball firing device according to the first embodiment, the acceleration member 9 is fixed to the output shaft of the motor 20.
While accelerating member 9 is always rotated in a constant direction by rotating the drive arm 21 with the set drive arm 21 , the energy is stored in the energy storage member 14 and the ball is supplied during one rotation. And accelerated firing of the ball. As described above, since the accelerating member 9 continuously accelerates the ball over a predetermined acceleration section and fires the ball on the board surface, unlike the conventional method of hitting the ball by applying an impact with a ball hammer, the firing direction and the firing of the ball are different. The speed becomes constant, and stable ball flying can be always secured.

As shown in FIG. 7, it is preferable that the center of rotation of the drive arm 21 for driving the crank plate 12 be displaced toward the energy storage side of the rotation range of the crank plate 12. With such an arrangement, the drive arm 21 can accumulate energy while driving the acceleration member 9 over an angle greater than 180 °, and reduce the torque of the motor 20 required for energy accumulation by increasing the rotation angle. There are advantages that can be.

It is preferable that the drive arm 21 be made of an elastic material such as rubber so that the engaging portion to the crank plate 12 is slightly bent by the driving force. By doing so, there is an effect that a silencing effect is obtained and durability is increased. In this example, as shown in FIG. 7, a slit 23 for a cushion is formed in the drive arm 21 so that a more excellent elastic effect can be obtained.

[Second Embodiment: Continuous Rotation System] In the first embodiment, the ball accelerating projection 10 of the accelerating member 9 is inserted through the slit of the fixed guide groove 8 to remove the ball. Accelerated. However, in the second embodiment shown in FIGS. 8 to 12, the accelerating member 9 is formed in a circular shape with the flange 30, and the bottom surface and one side wall of the guide groove 8 are constituted by the accelerating member 9. The ball acceleration projection 10 is provided on the outer peripheral surface of the acceleration member 9. Other configurations are the same as those of the first embodiment.
Corresponding parts have the same reference numerals and description thereof will be omitted. However, the ball braking means 6 is not provided in the second embodiment.

[Third Embodiment: Reciprocating Rotation Method] A third embodiment shown in FIGS. 13 to 15 is a method of reciprocatingly rotating an acceleration member 9 having the same shape as that of the second embodiment. It was done. In the third embodiment, the drive arm 21 of the motor 20 has a cam shape, and the crank pin 12a of the crank plate 12 is pressed while the drive arm 21 rotates continuously. FIG. 15 is a view for explaining the movement.
Is reversed, and during this time, the energy storage member 14 is extended to store energy. When the state is exceeded, the engagement between the drive arm 21 and the crankpin 12a is released, the acceleration member 9 is rotated forward by the elastic energy stored in the energy storage member 14, and the ball is accelerated and fired. However, in the third embodiment, the supply of balls is performed at the time of reversal.

[0017]

[0018]

[0019]

As described above, in the ball firing device for a pachinko machine according to the present invention, the acceleration member is fixed to the output shaft of the motor.
Energy by rotating the drive arm
After having allowed to store energy over storage member, a ball supplied to the starting point of the accelerating member by the ball feeder, energy
The accelerating member accelerates continuously over a predetermined acceleration section using the energy accumulated in the accumulating member and fires on the board surface. Unlike the method of hitting a ball, there is an advantage that the firing direction and the firing speed of the ball are constant, and a stable ball jump can be always secured.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a first embodiment.

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

FIG. 3 is a cross-sectional view taken along line BB and a line CC of FIG. 1;

FIG. 4 is an exploded perspective view showing components of the first embodiment.

FIG. 5 is an exploded perspective view of the first embodiment.

FIG. 6 is an operation explanatory diagram of the first embodiment.

FIG. 7 is an explanatory diagram of a driving unit according to the first embodiment.

FIG. 8 is a partially cutaway front view showing the second embodiment.

FIG. 9 is a sectional view taken along line AA of FIG. 8;

FIG. 10 is an exploded perspective view showing components of the second embodiment.

FIG. 11 is an exploded perspective view of the second embodiment.

FIG. 12 is an operation explanatory view of the second embodiment.

FIG. 13 is a partially cutaway front view showing the third embodiment.

FIG. 14 is a sectional view taken along line AA of FIG.

FIG. 15 is an operation explanatory view of the third embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 base frame 2 bearing 3 outer projection 4 firing rail 5 inner projection 6a ball braking means 6b acceleration member braking means 7 side guide 8 guide groove 9 acceleration member 10 ball acceleration projection 11 shaft 12 crank plate 12a crank pin 13 hook 14 Energy storage member 15 Adjustment lever 16 Handle 17 Wire 18 Spring strength adjustment lever 19 Roller 20 Motor 21 Drive arm 22 Support post 25 Ball supply device 26 Ball supply lever 27 Pin 28 Spring 23 Cushion slit 30 Flange

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A63F 7/02

Claims (11)

(57) [Claims] 1. An energy storage member and a fixed direction using energy stored in the energy storage member.
In a ball launching device of a pachinko machine having an accelerating member composed of a rotating body for accelerating and firing a game ball by rotating or reciprocating rotation, and a ball supply device for supplying a ball to the accelerating member, the accelerating member is provided by a motor. The energy is stored in the energy storage member by rotating the drive arm fixed to the output shaft. The ball supply device supplies the ball to the starting point of the acceleration member. Characterized in that the ball is continuously accelerated over a predetermined acceleration section and then fired on the board surface. 2. An accelerating member comprising a rotating body which rotates in a fixed direction, and during one rotation of the accelerating member, energy is stored in an energy storage member, a ball is supplied, and a ball is accelerated and fired in a series. The ball firing device for a pachinko machine according to claim 1, wherein 3. The pachinko machine according to claim 1, wherein the accelerating member is constituted by a rotating body that reciprocates and rotates, the energy is stored in the energy storage member during reversal, and the ball is accelerated and fired during normal rotation. Ball launcher. 4. A crank fixed to a shaft of a rotating body.
The plate is rotated by driving the plate with a drive arm.
The pachinko machine according to claim 2, wherein the rotating body is rotated in a certain direction.
Ball launcher of the machine. 5. The ball firing device for a pachinko machine according to claim 4 , wherein the rotation center of the drive arm for driving the crank plate is displaced toward the energy storage side of the rotation range of the crank plate. 6. The ball firing device for a pachinko machine according to claim 5, wherein the drive arm is made of an elastic material, and an engaging portion to the crank plate is bent by a driving force. 7. The ball firing device for a pachinko machine according to claim 2, wherein the ball supply device is operated in synchronization with the rotation of the acceleration member by a ball supply device operating member provided on the acceleration member. 8. A guide groove having a slit is formed around the accelerating member, and a ball accelerating projection of the accelerating member is inserted into the guide groove from the slit to accelerate a ball in the guide groove. 4. The ball firing device for a pachinko machine according to 2 or 3. 9. The ball firing device of a pachinko machine according to claim 2, wherein the acceleration member has a circular shape having a ball acceleration projection provided on an outer periphery thereof, and the acceleration member forms a part of a guide groove. . 10. The ball firing device for a pachinko machine according to claim 2, wherein braking means is provided on the acceleration member. 11. A ball braking means provided in a guide groove.
4. A ball firing device for a pachinko machine according to 4.).