JPH0984927A - Ball hitting device for pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the fatigue of arm and shoulder, etc., even at the time of keeping playing for a long time. SOLUTION: A horizontal holding frame 11 is arranged across the space area part 10 of a prescribed gap from the front surface on the front surface lower part of a PACHINKO machine. The holding frame 11 is formed wide enough to put a palm on, an operation part 17 for hitting balls by being operated with a finger is provided on the upper surface and a housing part for housing the auxiliary parts or the like of the operation part 17 is provided inside the holding frame 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball launching device for a pachinko machine which does not make a player tired even when playing continuously.

[0002]

2. Description of the Related Art In a conventional electric pachinko machine, a handle for firing a ball is projected forward from the front of the pachinko machine, and the striking force can be adjusted by rotating the handle. There is. Therefore, the player holds the handle with one hand and rotates it by a desired angle, and holds the hand immovably in order to maintain the rotation angle.

[0003]

As described above, in the conventional pachinko machine, since the handle must be rotated by a desired angle and one hand must be fixedly fixed, the game can be played for a long time. There was a problem that the hands and arms tended to get tired when extended. Then, this invention is made in order to solve the said subject, and an object of this invention is to provide the ball launching device of a pachinko machine with little fatigue of a hand and an arm even if it plays for a long time.

[0004]

In order to achieve the above object, a ball launching device for a pachinko machine according to the present invention is substantially parallel to the front surface of the pachinko machine at a lower part of the front surface of the pachinko machine, with a space area portion at a predetermined interval from the front surface. And place a horizontal holding frame. The holding frame is wide enough to allow the palm of the hand to be placed thereon, and its surface is formed so that it fits comfortably in the hand. The upper surface is provided with an operating portion for firing a hit ball, and the holding frame is provided with an accommodating portion capable of accommodating auxiliary components of the operating portion. Therefore, the player places his palm on the upper surface of the holding frame and operates the operation section with his finger to shoot a ball while adjusting the hitting force. On the other hand, since the accessory parts of the operation part and the like are housed in the accommodating part, it becomes compact and the parts around the ball launching device can be easily assembled.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a ball launching device for a pachinko machine according to the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a pachinko machine to which the present invention is applied. In the figure, 1 is a front frame of a pachinko machine, 2 is a glass door frame, 3 is a front plate, a game board 4 is arranged on the rear side of the glass door frame 2, and a hitting ball supply tray 5 is provided on the front surface of the front plate 3. It is attached. Also,
A decorative plate 6 made of synthetic resin is attached to the lower front surface of the front frame 1,
A lower ball receiving tray 7 for receiving an overflowing ball from the hit ball supplying tray 5 is mounted on the front surface thereof. The lower ball receiving tray 7 has an ashtray 8 on one side and a ball launching device 9 on the other side.

The ball launching device 9 is made of a synthetic resin, has a plane L-shaped projection on the front surface of the decorative plate 6 as shown in FIGS.
A space area portion 10 is formed between the front surface of the decorative plate 6 and the holding frame 11. The holding frame 11 is wide enough to hold one hand, and its upper surface 11a is formed to have a bulge upward so that it fits comfortably in the palm. Further, as shown in FIG. 7, a ridge portion 12 for hanging a fingertip is provided on the upper rear edge of the holding frame 11.

Further, the holding frame 11 is formed with a hollow accommodating portion 13 having an opening on the upper surface for accommodating an accessory component of an operation lever (operating portion) 17, which will be described later, and a lid 14 is covered on the upper surface. I try to wear it. The upper surface of the lid body 14 is formed so as to have a bulge like the upper surface of the holding frame 11, and a substantially hemispherical bulging portion 15 is projectingly provided on one side thereof. An opening groove 16 having a constant width is formed in the center of the bulging portion 15 along the longitudinal direction, and the bulging portion 1 is formed in the opening groove 16.
A disc-shaped operation lever 17 having a diameter substantially the same as that of the control lever 5 is interposed. The operation lever 17 is rotatably supported by a horizontal shaft 19 which is provided on a support frame 18 fixed to the lower surface of the lid 14. Further, the finger hook piece 17a protruding upward from the opening groove 16 on the periphery of the operation lever 17 and the start switch 20 fixed to the support frame 18 in the support frame 18 are brought into contact with and separated from each other to turn on the start switch 20. Contact piece 17 to hold in the off state
and b are projected. In addition, as shown in FIGS. 5 and 6, the operating lever 17 is always kept in the off state, that is, the state in which the power is cut off by the contact piece portion 17b contacting the starting switch 20 by the pulling force of the coil spring 21. .
Reference numeral 17c is a stopper piece portion for stopping the operation lever 17 in the off state, and is stopped by hitting an inner edge of an opening 18a formed in the support frame 18.

The horizontal shaft 19 is provided with a fan gear 22 on the back side of the operating lever 17. Reference numeral 23 is a variable resistor installed at the rear end of the support frame 18 on the left side, and its adjusting shaft 2
4, a sector gear 25 that meshes with the sector gear 22 is fixed. The wiring cords C1 and C2 drawn from the dynamic switch 20 and the variable resistor 23 are connected to a rotary solenoid 26 mounted on the lower front surface of the game board 4. A mallet 27 is fixed to the rotary shaft of the rotary solenoid 26, and the tip of the mallet 27 faces the firing portion of the firing rail 28.

The ball launching device 9 of the pachinko machine of the present invention has the above-mentioned structure, and its operation will be described below. As shown by the chain line in FIG. 7, one hand is bent in a U-shape on the upper surface of the lid 14 of the holding frame 11 and the four fingers except the thumb are turned into the space area portion 10 formed on the rear side of the holding frame 11. And the thumb is hooked on the finger hook piece 17a of the operation lever 17.
Then, when the thumb is pressed and the operation lever 17 is rotated, the contact piece portion 17b is separated from the start switch 20 and the operation lever 17 is turned on. Then, when a force is further applied to the thumb hooked on the finger hanging piece 17a to rotate the operation lever 17 against the pulling force of the coil spring 21, the variable resistor 23 is actuated via the meshing fan-shaped gears 22 and 25, Pachinko balls are continuously fired while the impact force of the mallet 27 by the rotary solenoid 26 is adjusted. Note that the variable resistor 23 is not directly operated by the horizontal shaft 19,
Since it is operated via both fan-shaped gears 22 and 25, a mallet 27
Fine adjustment of striking force is possible.

FIG. 9 shows another embodiment.
In this embodiment, a circular hitting ball start switch 29 (touch plate) is provided on the right side of the upper surface of the lid body 14, a push button type hitting ball temporary stop switch 30 is provided on the left side position, and a hitting force is provided on the rear side thereof. A pair of push button type adjustment switches 31 and 32 for adjustment are provided. As shown in FIG. 10, electronic circuit boards 33a and 33b for actuating the rotary solenoid 26 in accordance with the operation of the respective switches are fixed to the back side of the lid body 14 with screws, and these electronic circuit boards 33a and 33b are accommodated in the housing portions. It is made to accommodate in 13.

FIG. 11 shows the electronic circuit boards 33a and 33b.
An electronic circuit such as a drive circuit and an electronic volume circuit incorporated in the is shown in a block diagram. In the figure, 34 is a direct current power source bridge circuit for launching device, 35 is a direct current stabilized power source unit for electronic circuit, and the rotary solenoid 26 is operated by the power supply from the bridge circuit 34. Reference numeral 36 is a drive circuit for the rotary solenoid 26.

The drive circuit 36 is a rotary solenoid 26.
Resistor R1 at the base of transistor 37 that drives
The differential amplifier 38 is connected via
The pulse signal is intermittently input from the electronic volume circuit 39 to the positive-phase input terminal of. The negative phase input terminal of the differential amplifier 38 is connected to the emitter of the transistor 37, and since the emitter is grounded via the resistor R2, the rotary solenoid 26 is connected to the negative phase input terminal.
The load resistance power due to the drive current is input as feedback. Therefore, the current flowing through the rotary solenoid 26 can be controlled by the voltage level applied to the positive phase input terminal of the differential amplifier 38, and the exciting force of the rotary solenoid 26 can be controlled. The strength can be adjusted.

On the other hand, the hit ball control circuit 40 includes an oscillator circuit 41,
The pulse signal generated by the frequency dividing circuit 42 is output to the electronic volume circuit 39 according to the operation signal from the touch switch circuit 43 and the hitting ball stop switch 30, and the touch switch circuit 43 is provided on the circular touch plate. When the player touches the ball, it is detected that the ball start switch 29 is grounded through the human body, and the ball control circuit 40 should output the pulse signal obtained from the frequency divider circuit 42 to the electronic volume circuit 39. Order. The hit ball control circuit 40 intermittently outputs a pulse signal to the electronic volume circuit 39 at intervals of 0.6 seconds when the hit ball start switch 29 is touched. Further, when the player also operates the hitting ball temporary stop switch 30, the hitting ball control circuit 40 temporarily stops the output of the pulse signal.

The electronic volume circuit 39 divides the voltage of the output pulse signal from the hit ball control circuit 40 3
Two resistors r1 to r32 are connected in series, one end of the attenuator A1 to A32 is connected between the resistors, and the output part 44 at the other end is connected to the positive phase input terminal of the differential amplifier 38. , Each of the attenuators A1 to A32 is connected to the latch circuit 45.
It is configured so that it can be opened / closed by a signal from.
Reference numeral 46 denotes a shift register that shifts the level in each direction by operating the adjustment switch 31 for level up or the adjustment switch 32 for level down, and the output of the shift register 46 is stored in the latch circuit 45. By operating the attenuators A1 to A32 to open and close according to the memory, the voltage level of the pulse signal output to the output unit 44 is increased by operating the adjustment switch 31, and conversely, the adjustment switch 32 for level down is operated. By doing so, it is possible to descend.

Then, when the player's hand touches the hitting ball start switch 29 and the hitting ball temporary stop switch 30 is off, a firing command is issued when 0.6 seconds or more has elapsed from the last time the ball was hit. Then, the pulse signal of the voltage level adjusted by the electronic volume circuit 39 is output to the output unit 44, and the transistor 37 causes a current corresponding to the voltage level to flow to excite the rotary solenoid 26. Therefore, a firing command is intermittently issued to the drive circuit 36 under the voltage level adjusted by the adjustment switches 31 and 32 as desired.

[0016]

As described above, the ball launching device for a pachinko machine according to the present invention has a holding frame wide enough to allow the palm to be placed on the lower part of the front surface of the pachinko machine with a space area portion at a predetermined distance from the front surface. Since the operation part for forming a ball is formed and the upper surface thereof is provided with an operation part for firing a hit ball, it is easy to put a hand on the holding frame as it is from the top surface, and the placed hand is stable and easy to operate. Therefore, even if a player plays a game for a long time, his / her arms and shoulders are less likely to get tired, and the game can be comfortably continued. Further, since the accommodating portion is provided inside the holding frame and the accessory parts of the operating portion are accommodated in the accommodating portion, it is possible to make the device compact and to easily assemble the parts around the ball launching device. Have.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko machine to which the present invention is applied.

FIG. 2 is a perspective view of a ball launching device attached to a decorative plate.

FIG. 3 is an exploded perspective view of the main part.

FIG. 4 is a plan view of the same.

FIG. 5 is a front sectional view of a ball launching device mounted on the lower front portion of the pachinko machine.

FIG. 6 is a sectional view of the same plane.

7 is a sectional view taken along line XX in FIG.

FIG. 8 is a sectional view taken along line YY in FIG.

FIG. 9 is a perspective view of a ball launching device attached to a decorative plate according to another embodiment.

FIG. 10 is a side sectional view of a ball launching device mounted on the lower front portion of the pachinko machine.

FIG. 11 is a block diagram of the electronic circuit board.

[Explanation of symbols]

 10 Space Area Section 11 Holding Frame 13 Housing Section 17 Operating Lever (Operating Section) 29 Hitting Ball Start Switch (Operating Section) 30 Hitting Ball Temporary Stop Switch (Operating Section) 31, 32 Adjustment Switch (Operating Section)

Claims (1)

[Claims] 1. A horizontal holding frame is arranged at a lower part of the front surface of the pachinko machine with a space area portion at a predetermined distance from the front surface, and the holding frame is formed wide enough to allow a palm to be placed on the upper surface thereof. A ball launching device for a pachinko machine, characterized in that an operating section for launching the operating section is provided, and an accommodating section for accommodating auxiliary parts of the operating section is provided in the holding frame.