JPS596867Y2 - Ball-biting prevention device for pinball game machines - Google Patents

Description

[Detailed explanation of the invention] This invention continuously guides the rental balls thrown into the ball receiving tray in front of the machine to the outer circumferential surface of the rotating disk using a rectifying gutter, and the first rental ball is The rotating disk is received in a fitting recess formed on the outer circumferential surface and transferred to a predetermined ejection path, and during the transfer process, the above-mentioned rental balls actuate a firing device to fire game balls other than the rental balls onto the game board surface. This invention relates to a pinball game machine designed to do the following.

In the above-mentioned pinball game machine, it is desirable to receive the first rental ball in the rectifying gutter into the insertion recess of the rotating disc without being affected by the weight of the following rental balls. .

In this case, if the weight of the following rental balls is applied to the first rental ball, as this is received in the fitting recess of the rotating disk, the rental balls immediately after it are pushed forward and the ball is pushed out of the rectifying gutter. There is a risk of overlapping at the end and causing a jam.

Therefore, an object of the present invention is to eliminate the above-mentioned drawbacks, and to control the movement of the rental balls immediately after the first rental ball lined up in the rectifying gutter is received in the insertion recess of the rotating disk. This allows rental balls to be smoothly and reliably fed one by one into the fitting recess of a rotating disk without causing the balls to become jammed.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of the pinball game machine according to the present invention. In the figure, 1 is the main body of the game machine, 2 is the front frame, and a glass frame 3 is attached to one side of the window hole formed approximately in the center. is pivoted so that it can be opened and closed.

Reference numeral 4 denotes a piece of plate decoration disposed below the glass frame 3, and a ball tray 5 for charging balls, a lower ball tray 6, and a rotating handle 7 are integrally provided on the front surface of the plate decoration.

A game board 8 is provided on the inner surface of the table frame 2, and a firing device 9 is provided at the upper side of the game board 8.

An arc-shaped guide section 10 is provided upward from the firing device 9, and the guide section 10 and the guide frame section 11 provided along the side part of the glass frame 3 form a large-area game section 8.
It embodies a.

In addition, many obstacle nails (not shown) are fixedly planted on the board surface of the game section 8a, and a windmill 12 and a plurality of winning ball devices 13 are also arranged, and an out ball opening 14 is provided in the lower part.

FIG. 2 is a back view of the pinball game machine according to the present invention, in which a ball tank 15 is installed on the top of the game board 8, and a gutter rail 16 is installed at an angle below the ball tank 15. The pachinko balls in the ball tank 15 are guided to the firing device 9 and the prize ball discharging device 17.

When a game ball enters the winning ball device 13, the prize ball discharging device 17 discharges a certain number of prize balls, and guides the prize balls through a gutter 18 to the ball receiving tray 5 for throwing in rental balls.

Reference numeral 19 denotes a prize pool for collecting winning balls; 20 denotes a winning ball discharge gutter connected to the outlet of the prize winning ball for discharging winning balls to the outside of the machine; 21
2 shows an out ball discharge gutter which is connected to the out ball opening 14 and discharges out balls to the outside of the machine, and 22 shows a ball removal gutter.

Reference numeral 23 denotes a launch control device provided below the back surface of the front frame 2 in connection with the ball receiving tray 5 for charging balls, the details of which are shown in FIGS. 3 and 4.

That is, the housing base 24 is attached to the back surface of the front frame 2 with a plurality of screws 25, and the front surface thereof is integrally provided with a rectifying gutter 27 that communicates with the outlet 26 of the ball receiving tray 5 for charging balls.

A housing power bar 28 is removably attached to the front surface of the housing base 24 with screws 29. A motor 30 is fixed to the outside of the housing force bar, and a rotating disk 32 is fixed to a motor shaft 31 that projects inward. Ru.

The rotary disk 32 has a recess 33 formed in a part of its outer circumferential surface corresponding to the outflow end of the rectifying gutter 27 to receive the first rental ball lined up in the rectifying gutter 27, and a recess 33 on the side surface thereof. A first cam 35 for swinging a swinging member 34, which will be described later, and a second cam 37 for swinging a swinging arm 36.
It is created by integrating the two.

Reference numeral 38 denotes a passage frame formed inside the housing force bar 28, which corresponds to the lower part of the rotary disk 32 at a slight distance from the outer peripheral surface thereof, and extends laterally to fit into the fitting recess 33.
A guide passage 39 is formed to guide the rented balls received by the players to a predetermined discharge route.

The swinging member 34 has an upper arm portion 42 provided with a roller 40 and an engaging protrusion 41 that can come into contact with the cam surface of the first cam 35 of the rotating disk 32, and a lower arm portion provided with an engaging protrusion 43 protrudingly provided. An arm piece 45 protruding laterally and having a locking pin 45' fixed thereon is integrally formed into a substantially Y-shape, and the approximate center thereof is pivoted on a shaft 46 protruding from the housing bar 28. It is pivoted for free movement.

Further, as shown in FIG. 5, the swinging member 34 is normally in a position where the reroller 40 is separated from the first cam 35 by the bias of a spring 47 whose one end is connected to the locking pin 45' of the arm piece 45. At this time, the lower arm portion 44 comes into contact with the rubber stopper 48 to regulate its position.

The swinging arm 36 has a stopper portion 3 that comes into contact with the second cam 37 of the constantly rotating disk 32 due to the bias of a coil spring 49.
6 a and a ball stop portion 36 b located above the outflow end of the rectifying gutter 27 and going in and out of the flow path, and swingable on a shaft 50 protruding from the housing force bar 28 . It is pivoted.

The stopper portion 36 a serves to prevent the rotating disk 32 from reversing, and on the other hand, allows the ball stop portion 36 b to move in and out of the flow path of the rectifying gutter 27 .

When the fitting recess 33 of the rotating disc 32 corresponds to the outflow end of the rectifying gutter 27, the ball stopping part 36b plunges its tip into the flow path, and the first rental ball is received in the fitting recess 33 of the rotating disc 32. This prevents the next rented ball from moving forward until it is played.

Reference numeral 51 denotes a ball rental detecting member which is approximately "shaped" and is swingably supported by a shaft 52 protruding from the housing force bar 28, and an arm 51a extending laterally due to its own weight is normally connected to the rotating disk 32.
The lower end bent portion of the arm 5lb extending downward is engaged with the engagement protrusion 41 of the swinging member 34.

53 is a firing rod supported by the guide 54 of the housing base 24, one end of which is bent upward to connect to the swinging member 3.
4, and the other end is connected to a connecting plate 55 rotatably supported on the back surface of the front frame 2.

As shown in FIG. 2, the lower end of the vertical rod 56 is connected to the connecting plate 55, and the upper end thereof is connected to the firing hammer 9' of the firing device 9.

Further, in FIG. 2, reference numeral 57 denotes a take-up pulley fixed to the shaft 58 of the rotary handle 7, and a cam piece 59 is protruded from the outer peripheral surface of the take-up pulley. 60 can be opened and closed.

Further, one end of an adjustment wire 61 is connected to the take-up pulley 57, and the other end is connected to the firing hammer 9' of the firing device 9 via a firing force adjustment spring 62.

Next, the operation of the present invention constructed as described above will be explained based on FIGS. 5 to 11.

FIG. 5 shows a state in which the stopper portion 36a of the swinging arm 36 is pushed upward by the expanded protrusion of the second cam 37 of the rotary disk 32. As shown in FIG.

In this state, the ball stop portion 36b is in a position to open the flow path of the rectifying gutter 27, and the ball stop portion 36b is in a position that opens the flow path of the rectifying gutter 27.
is placed at a separate position without corresponding to the outflow end of the rectifier trough 27.

Therefore, the rental balls B thrown into the ball receiving tray 5 for renting balls flow into the rectifying gutter 27 through the outlet 26, and the first rental ball B1 comes into contact with the outer peripheral surface of the rotating disk 32 and is kept in a continuous state in the flow path. Wait in line.

In this state, when the rotating handle 7 is rotated in the direction of the arrow in FIG.
rotates in the direction of the arrow in Fig. 5.

6 and 7, when the tip of the stopper part 36a of the swinging arm 36 separates from the expanded protrusion of the second cam 37, the swinging arm 36 moves downward under the bias of the coil spring 49. As the ball oscillates, the tip of the ball stopping portion 36b aligns with the rectifying gutter 27, the first rental ball B1 and the immediately following rental ball B2.
The rotating disk 3 enters the flow path between the
The second fitting recess 33 corresponds to the outflow end of the rectifying gutter 27 and is located so as to prevent the next rental ball B2 from moving forward until the first rental ball B1 is received.

During this time, the stopper portion 36a opposes the swollen portion of the cam 37 and functions to prevent the rotating disk 32 from reversing.

In FIG. 8, the rental ball B1 received in the fitting recess 33 of the rotating disk 32 is located at one arm 49a of the rental ball detection member 49.
It enters underneath and is transferred to the guide passage 39 while pushing it upward.

At this time, the stopper part 36a of the swinging arm 36 is pushed upward by the expanded protrusion of the second cam 37, and the swinging arm 36 swings upward, so that the tip of the ball stopper 36b is rectified. The rented ball B2, which has retreated from the flow path of the gutter 27 and whose movement has been prevented thereby, advances to a position where it contacts the outer circumferential surface of the rotating disk 32 and waits.

On the other hand, in FIG. 9, as the ball rental detecting member 49 operates, the swinging member 34, which is engaged with the bent portion at the lower end of the other arm 49b, has its engaging protrusion 41 pushed. The roller 40 of the upper arm portion 42 contacts the first cam 35 of the rotating disk 32 as it rotates around a shaft 46 .

Then, as the rotary disk 32 continues to rotate, the first cam 35 acts on the roller 40 as shown in FIG. Pull the firing rod 53 in the direction of the arrow b.

In this state, the rental balls B1 are sent to a predetermined discharge route via the guide passage 39, and the leading rental balls B2 located at the outflow end of the rectifying gutter 27 are transferred into the fitting recess 33 of the rotating disk 32. .

At this time, the rental ball B3 immediately after the first rental ball B2 is the swinging arm 36.
forward movement is prevented by the first stop 36b.

Then, the rotating disk 32 continues to rotate further, and as shown in FIG. 11, the roller 40 separates from the first cam 35, and the swinging member 34 returns to its original position by the action of the spring 47, and at the same time swings. The firing rod 53, which has been engaged with the engagement protrusion 43 of the member 34 and pulled, also returns to its original position by the action of the spring 62 which biases the firing hammer 9' of the firing device 90.

By pulling the firing rod 53 in this way, the firing device 9 is
The firing hammer 9' is rotated to the ready position, and the firing rod 53 returns to its original position, thereby causing the firing hammer 9' to operate and firing the game balls supplied to the firing device 9 onto the game board surface 8. It is.

As explained above, in the present invention, the cam 37 is provided on the rotary disk 32 that intermittently feeds the rental balls placed in the ball receiving tray 5 through the rectifying gutter 27 one by one. A stopper part 36a prevents the rotating disk 32 from reversing by the action of
When the first rental ball lined up in the rectifying gutter 27 is received into the insertion recess 33 of the rotating disk 32, the ball stopper 36b swings the swinging arm 36 provided with the ball stopper 36b. As a result, the weight of the following rental balls is not added to the first rental ball at all, and therefore, the balls overlap at the outflow end of the rectifying gutter 27 and cause ball jamming. This situation can be completely resolved, and the rental ball can be moved smoothly and reliably into the fitting recess 33 of the rotary disk 32.

Furthermore, malfunctions caused by reverse rotation of the rotating disk 32 can be completely avoided.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Figure 1 is a front view of a pinball game machine, Figure 2 is a back view of the same pinball game machine, and Figure 3 is a back view of the pinball game machine.
The figure is a perspective view of the launch control device partially shown in section, FIG. 4 is an exploded perspective view of the launch control device, and FIGS.
FIG. 1 is a front view illustrating the operation of the launch control device. DESCRIPTION OF SYMBOLS 1... Game machine main body, 5... Ball tray for throwing in rental balls, 9... Launching device, 26... Outlet, 27... ... Rectifying gutter, 32 ... Rotating disk, 33 ... Fitting recess, 36 ... Swinging arm, 36 a ... Part of stopper, 36 b・
...Ball stop part, 37...Second cam.

Claims (1)

[Scope of utility model registration request] A rectifying gutter is provided at the lower part of the back of the gaming machine main body, through which the rented balls placed in the ball receiving tray on the front side flow out in a line, and the first rented ball in line with the rectifying gutter is received in the insertion recess. A pinball game in which a rotating disk is provided to transport the balls to a predetermined ejection path, and a firing device is operated in relation to the rental balls transferred by the rotating disk to fire game balls other than the rental balls. In the machine, a swinging arm is pivotally supported by a second cam provided on the side surface of the rotating disc at a position above the outflow end of the rectifying gutter, and this swinging arm prevents the rotating disc from reversing. A part of the stopper, and a ball stopping part that stops the movement of the rental balls immediately after the first rental ball when the fitting recess of the rotating disk enters and exits the flow path of the rectifying gutter and is positioned corresponding to the outflow end of the flow path. A ball catching prevention device in a pinball game machine, characterized in that it is provided with an arrangement.