JP2919792B2 - Ball game machine - 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 and ball game machine such as a pachinko machine and an arrange ball machine, and more particularly to a ball punching device for a ball tray.

[0002]

2. Description of the Related Art In a ball-and-ball game machine such as a pachinko machine, when a game ball fired along a guide rail enters a prize port of a game board or other prize-winning means and receives a prize, the ball is paid out according to the prize-winning conditions at that time. When the means is activated and a predetermined number of game balls are paid out to the upper ball tray, and when the upper ball tray becomes full,
The game balls from the ball payout means overflow to the lower ball tray.

[0003] The game balls in the lower ball tray can be removed at any time by a ball removal device. Conventionally, this ball punching device has a ball punching hole formed at the bottom of the lower ball tray, an opening / closing plate for opening and closing the ball punching hole, a ball punching lever integrated with the opening / closing plate, and a closing / closing plate in the closing direction. A biasing spring for biasing is provided, and when the ball release lever is operated in the opening direction against the biasing spring, the opening / closing plate slides in the opening direction to open a ball removal hole, and the ball is removed from the ball removal hole. The game balls in the ball tray are pulled out.

[0004]

The game balls in the lower ball tray need to be removed not only when the game balls remain at the end of the game but also during a game such as a big hit. . That is, when a big hit etc. occurs,
Since a large number of game balls are successively paid out from the ball payout means, the upper ball tray becomes full immediately and the game balls overflow to the lower ball tray, but if the lower ball tray becomes full,
A full detection switch is activated to stop the firing means. Therefore, in the case of a jackpot or the like, it is necessary to extract the game balls in the lower ball tray so as not to be full.

However, in the conventional ball-pulling device, when the ball-pulling lever is operated in the opening direction, the opening / closing plate slides in the opening direction against the biasing spring to open the ball-pulling hole. When the operating force on the lever is released, the biasing spring pushes the open / close plate back and closes the ball removal hole, so while removing the game ball, always operate the ball removal lever in the opening direction. And the operation is very troublesome.

In particular, in the case of a jackpot, it is necessary to operate the ball release lever with the other left hand while continuing the game while holding the operation handle with the right hand, and it is difficult to operate the ball release lever. At the same time, there is a drawback in that the player cannot worry about the operation of the ball release lever and cannot concentrate on the game.
The present invention has been made in view of the above-described conventional problems, and can easily hold the opening / closing plate at the open / close position only by operating the ball pulling lever in the opening / closing direction, and easily pull out the game ball from the ball tray with a simple operation of the ball pulling lever. And a ball game machine that can be easily changed between a state in which the opening / closing plate is held at each position and a state in which the opening / closing plate is normally biased in the closing direction by, for example, easily changing the biasing spring. The purpose is to do.

[0007]

According to the first aspect of the present invention, there is provided an opening / closing plate 29 for opening / closing a ball hole 22 of a ball tray 8, a ball releasing lever 38 for operating the opening / closing plate 29 in the opening / closing direction. Open position to open the ball hole 22 in a ball-and-ball game machine equipped with
An opening / closing plate 29 is movably provided in the opening / closing direction between O and a closed position C for closing the ball hole 22, and an urging spring 30 for urging the opening / closing plate 29 is moved to the open position O side. In the first position, the switch is biased in the opening direction and is biased in the closing direction on the side of the closed position C, and the second biasing condition is provided in which the opening / closing plate 29 is constantly biased in the closing direction. It is a thing.

According to a second aspect of the present invention, in the first aspect of the invention, one end of the urging spring 30 is locked to the opening / closing plate 29, and the other end of the urging spring 30 is connected to the other end. The locking portion 52 for the first biased state and the locking portion 53 for the second biased state are selectively and detachably locked. According to a third aspect of the present invention, in the first or second aspect, the opening and closing plate is provided.
An urging spring 30 is arranged on the opposite side of the ball-pulling lever 38 with respect to 29. The present invention described in claim 4 is based on claim 1.
In the invention according to any one of the first to third aspects, guide portions 32 and 33 for guiding the opening / closing plate 29 in the left-right direction to open and close the ball hole 22 are provided, and the opening / closing plate at the open position O is provided in the first biased state. The urging spring 30 is pressed so as to press the
Is provided.

According to a fifth aspect of the present invention, in the first aspect of the present invention, the guide portions 32 and 33 and the locking portions are provided on the lower side of the ball receiving tray 8 and on the ball receiving tray 8 side. A support plate 24 having 52 and 53 is provided, and an opening / closing plate 29 and an urging spring 30 are provided on the support plate 24 side. According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, a helical spring is used in the first biased state and the second biased state using the helical spring 30a of the biasing spring 30. Both ends of the biasing spring 30 are connected to the opening / closing plate 29 and each locking portion 5 so that the spring 30a is turned upside down.
It is inverted to 2,53 and can be locked.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. The drawings illustrate an embodiment of the present invention. In FIGS. 1 and 2, reference numeral 1 denotes a front frame which is pivotally attached to the front side of a ball game machine main body 2 so as to be freely opened and closed. An openable and closable glass door 3 and a front panel 4 are mounted on the front frame 1 up and down,
A game board 5 is detachably mounted behind these.

An upper ball tray 6 is mounted on the front plate 4, and an ashtray 7, a lower ball tray 8, and a firing means 9 are provided below the front frame 1.
Operating handle 10 is provided. The launch means 9 is
When the operating handle 10 is operated, the firing motor drives the hammer, and the hammer uses the hammer to play a game ball on the firing rail.
It is designed to hit the 5 side and fire.

The upper ball receiving tray 6 is for storing game balls to be supplied to the launching rail side via the ball feeding means, and has an opening / closing plate 11 and a ball paying lever 12 at one end side. When the opening / closing plate 11 is operated in the opening direction, the opening / closing plate 11 opens the ball throwing hole, and the game balls in the upper ball receiving tray 6 are taken out of the ball passages 13 and 1.
The lower ball receiving tray 8 can be withdrawn through 4.

When the game balls in the upper ball tray 6 are full, the game balls overflowing from the upper ball tray 6 enter the lower ball tray 8 from the ball guide port 15 and operate the ball-paying lever 12. Then, when the game balls in the upper ball tray 6 are paid out, the game balls enter from the ball extraction passage 14.

As shown in FIGS. 3 to 7, the lower ball receiving tray 8 is mounted on the lower portion of the front frame 1 via the base plate 16 from the front side, and is covered by the decorative cover 17 from the front side and the lower side. I have. The base plate 16 is provided with a ball guide port 19 communicating with the overflow passage 18 on the back surface side of the front frame, and is fixed to the overflow passage 18 by screws 20 while sandwiching the front frame 1 from front and rear. At the bottom 21 of the lower ball receiving tray 8, there is formed a ball punching hole 22 for extracting the game ball in the lower ball tray 8 downward, and two guide projections 23 extending from the ball pulling hole 22 to the left. It is formed parallel to the lower side.

A support plate 24 is detachably provided below the lower ball receiving tray 8 at a predetermined gap from the bottom 21 thereof. The support plate 24 is in contact with four bosses 25 projecting downward from the lower ball receiving tray 8 from below, and is detachably fixed from below by screws 26 screwed to the respective bosses 25.
The support plate 24 has a rectangular shape that is long in the left-right direction, has an upright peripheral portion 27 on the outer peripheral portion on the upper surface side, and is fitted so as to close a horizontally long lower opening portion 28 formed on the bottom surface side of the decorative cover 17. Have been.

The support plate 24 and the bottom 21 of the lower ball tray 8
Between the closed position C (solid line position in FIG. 5) and the open position O (solid line position in FIG. 9) in order to open and close the hole 22; Move the opening / closing plate 29 to the open position O
And a biasing spring 30 for biasing each to the closed position C 1.

The supporting plate 24 has a ball hole 22 in the lower ball tray 8.
Opening holes 31 corresponding to the upper and lower sides are formed, and guide portions 32 and 33 in the left and right direction are formed in parallel on both front and rear edges.
The front guide portion 32 includes an upright peripheral portion 27 and an inner upright portion 34.
The guide portion 32
At both ends are a regulating portion 35 for the closed position C and a regulating portion 36 for the open position O of the opening / closing plate 29. The rear guide portion 33 is constituted by a concave portion formed in the upright peripheral edge portion 27.

The opening / closing plate 29 is plate-shaped, and a pair of guides is provided between the two guide protrusions 23 on the bottom 21 side of the lower ball receiving tray 8 and the support plate 24 so as to open and close the ball hole 22. A ball-pulling lever 38 is provided slidably in the left-right direction along the parts 32 and 33, and protrudes downward from the front of the decorative cover 17 on the front side.

The support arm 39 extends rightward from the opening / closing plate 29 via a guided portion described later, and protrudes forward from a left-right guide hole 40 formed in the decorative cover 17 at the right end. The ball removing lever 38 is disposed in a concave portion 41 formed on the lower front side of the decorative cover 17, and provided with an operation portion 42 that can be operated in each of the opening direction and the closing direction. The guide hole 40 is formed in the decorative cover 17 so that the lower side communicates with the lower opening 28.

The opening / closing plate 29 has a guided portion 44 guided by the front groove-shaped guiding portion 32 and an L-shaped guided portion 45 guided by the rear guiding portion 33 in parallel on both front and rear sides. In preparation. The front guided part 44 is formed to be long in the left-right direction, and a rear guided part 45 is provided in a middle part of the guided part 44 in the left-right direction.

As shown in FIG. 8, a helical spring having a coil portion 48 between a pair of spring rod portions 46, 47 is provided on the biasing spring 30.
30a is used. This helical spring 30a is an open / close plate
A bent portion 49 formed on one spring rod portion 46 is disposed on the opposite side of the ball release lever 38 with respect to 29, and is locked in a locking hole 50 of the opening and closing plate 29 so as to be freely detachable. A ring-shaped locking ring portion 51 formed on the rod portion 47 is selectively engaged with a locking portion 52 for the first biased state and a locking portion 53 for the second biased state on the support plate 24 side. Removably locked.

The locking hole 50 is located on the front side of the opening / closing plate 29, and the locking portion 52 for the first biased state is located rearward of the locking hole 50 at the rear side of the support plate 24, and The locking portion 53 for the bias state is
At the substantially same position in the front-rear direction as the locking hole 50, they are respectively provided on the front side of the support plate 24. Accordingly, the helical spring 30a has its locking ring 51 as shown by a solid line in FIGS.
In the first biased state, the opening / closing plate 29 on the closing position C side is biased in the closing direction, and the opening / closing plate 29 on the opening position O side is biased in the opening direction. In the second biased state locked by the locking portion 53 as shown by, the open / close plate 29 is constantly biased in the closing direction.

In the first biased state, the helical spring 30a presses the open / close plate 29 at the open position O toward the front in a direction intersecting the guide portions 32 and 33. When the helical spring 30a is switched between the first biased state and the second biased state, the helical spring 30a is turned upside down so that the bent portion 49 and the locking ring portion 51 are connected to each other. It is configured to be locked in the locking hole 50 of the opening / closing plate 29 and each locking portion 52,53.

Next, the operation of the ball punching device having the above-described configuration will be described. When the opening / closing plate 29 can be held at the closed position C and the open position O, respectively, the locking ring 51 of the helical spring 30a is locked to the locking portion 52 as shown by a solid line in FIGS. Used in the first biased state. In this first biased state, if the opening / closing plate 29 is operated to the closed position C by the ball release lever 38,
Since the helical spring 30a urges the opening / closing plate 29 in the closing direction, the support arm 39 abuts on the restricting portion 35, and as shown in FIG. In a closed state.

That is, when the open / close plate 29 is at the closed position C,
The spring force of the helical spring 30a is determined by the locking hole 50 and the rear locking portion 52.
In the direction of the line segment connecting
The opening / closing plate 29 is pushed in the closing direction (the direction indicated by the arrow a) along the guide portions 32 and 33 so as to abut against the opening. For this reason, the opening / closing plate 29 can be securely held at the closed position C by the helical spring 30a,
For example, when a game ball overflows from the upper ball tray 6 side, the game ball flows from the ball guide port 19 of the base plate 16 into the lower ball tray 8 through the overflow passage 18, but the game ball is It can be received and stored in the lower ball tray 8.

When the game balls accumulated in the lower ball receiving tray 8 are to be removed, the player touches the operating portion 42 of the ball removing lever 38 to open the ball against the spring force of the helical spring 30a. Operate in the direction (the direction indicated by the arrow b). Then, the guided portions 44 and 45 of the opening / closing plate 29 are guided by the guiding portions 32 and 33 of the support plate 24.
The opening / closing plate 29 moves along the guided portions 44 and 45 toward the open position O in the direction indicated by the arrow b to open the ball hole 22.

At this time, as the opening / closing plate 29 moves in the direction indicated by the arrow b, the locking hole 50 of the opening / closing plate 29 approaches the locking portion 52 on the rear side of the support plate 24 toward the front side, and the vine is suspended. The winding spring 30a is gradually compressed. Then, as shown in FIG.
Is moved to the open position O where the ball removing hole 22 is fully opened, the locking hole 50 reaches a position slightly beyond the locking portion 52 on the side opposite to the ball removing hole 22, and the support arm 39 is moved to the left end regulating portion. Contact 36.
When the ball release lever 38 is moved in the direction of the arrow b against the helical spring 30a, the spring force of the urging spring 30 always acts in the forward direction, and the guided portion 44 of the opening / closing plate 29 causes the support plate 44 to move. 24 guides
Since it is in contact with 32, the opening / closing plate 29 does not rattle during the movement of the opening / closing plate 29.

When the open / close plate 29 is located at the open position O, the open / close plate 29 is urged forward by the spring force of the helical spring 30a, and the guided portion 31 is pressed against the guide portion 32 of the support plate 24. In addition, since the locking hole 50 is located slightly beyond the locking portion 52 on the opposite side of the ball removing hole 22, even if the operating force on the ball removing lever 38 is released, the support arm 39 remains in the regulating portion. The open / close plate 29 can be securely held by the helical spring 30a at the open position O abutting on the.

Therefore, when removing the game ball from the lower ball receiving tray 8, if the ball removal lever 38 is operated from the closed position C in the opening direction (the direction indicated by the arrow a), the opening / closing plate 29 is moved to remove the ball removal hole. Since the opening 22 can be opened and the opening / closing plate 29 can be held at the open position O by the biasing spring 30, the trouble of continuously operating the ball release lever 38 in the opening direction until all the playing balls in the lower ball receiving tray 8 are exhausted as in the conventional case. The game balls in the lower ball tray 8 can be easily extracted.

When the locking hole 50 of the opening and closing plate 29 slightly exceeds the locking portion 52 on the side opposite to the ball removing hole 22, the ball removing hole 22 is fully opened, and a part of the opening and closing plate 29 is In the half-open state on the side of the hole 22, the spring force of the helical spring 30a is acting in the closing direction. If the operating force on the ball release lever 38 is released in the half-open state, the helical spring 30a opens and closes the opening / closing plate.
29 slides in the closing direction to close the ball hole 22. For this reason,
When a small amount of game balls are to be withdrawn from the lower ball tray 8, it is only necessary to release the operation of the ball-pull lever 38 in the half-open state.

When closing the ball removing hole 22, the operating portion 42 of the ball removing lever 38 is operated in the closing direction (the direction indicated by the arrow a).
The opening / closing plate 29 is guided by the spring force of the helical spring 30a.
It moves in the closing direction along 2 and 33, and closes the ball hole 22 from below by the opening / closing plate 29 at the closing position C. For this reason,
When closing the ball 22, if the ball pulling lever 38 is operated in the closing direction, the opening / closing plate 29 is moved by the spring force of the helical spring 30 a to close the ball pulling hole 22, so that the ball pulling lever 38 is moved. There is no need to operate to the closed position C.

When the open / close plate 29 is normally biased in the closing direction as in the prior art, the locking ring 51 of the helical spring 30a is attached to the locking portion 53 as shown in FIGS. The state is changed to the locked second bias state. That is, when the locking ring 51 of the helical spring 30a is locked to the locking portion 53 on the front side, the locking hole 50 of the opening / closing plate 29 and the locking portion 53 are located at substantially the same position in the front-rear direction. The spring force of the helical spring 30a always acts on the opening / closing plate 29 in the closing direction.

Therefore, the opening / closing plate 29 slides in the opening direction against the helical spring 30a to open the ball removing hole 22 only when the ball removing lever 38 is operated in the closing direction as in the prior art. it can. When the operating force on the ball pulling lever 38 is released, the opening / closing plate 29 slides to the closed position C by the spring force of the helical spring 30a, and the ball punching hole 22 can be closed by the opening / closing plate 29.

When the helical spring 30a is hung on the locking portion 53, the locking portion 53 is on the front side. However, since the helical spring 30a is turned upside down, its coil interferes with the guide portion 32 of the support plate 24. Therefore, there is no need to increase the size of the support plate 24 in the front-rear direction, so that the overall size can be reduced.
If the helical spring 30a is changed in this manner, one type of lower ball receiving tray 8 can be prepared so that the helical spring 30a can easily be adapted to any use mode by changing the helical spring 30a. Is possible.

For example, in the case of manufacturing two types of ball game machines, the lower ball receiving tray 8 is assembled at the stage of assembling the ball game machines.
What is necessary is just to change the helical spring 30a on the side as appropriate, and it is easy to change the use mode, and it is possible to reduce the manufacturing cost by sharing the entire lower ball receiving device. Further, it is also possible for the game store to change the mode of use according to the needs of the player. In that case, first, the lower ball receiving tray 8 together with the decorative cover 17 is removed from the front frame 1, and thereafter, the decorative cover 17 and the lower ball receiving tray 8 are separated. Then, on the lower side of the lower ball receiving tray 8 via the support plate 24, the opening / closing plate 29, the helical spring 3
Since the support plate 24 is fixed by the screw 26, the opening / closing plate 29 and the helical spring 30a can be removed integrally with the support plate 24. And then
The helical spring 30a is turned upside down to lock the opening / closing plate 29.
What is necessary is just to change to 50 and the locking parts 52 and 53.

In any case, the open / close plate 29 is used.
Moves in the opening and closing direction along the guide portions 32 and 33 of the support plate 24, but since the guide portions 32 and 33 and the guided portions 44 and 45 are provided on both front and rear sides, the opening and closing plate 29 is attached to the support plate 24. Guides 32, 33
Can be smoothly and smoothly slid along. Further, while the front guided portion 31 is made longer, the rear guided portion 44 is made shorter, and the rear guided portion 45 is replaced with the front guided portion 45.
Since it is located in the middle part in the left-right direction of 44, even if there is backlash between the front guides 32, 33 and the guided parts 44, 45, the rear guided part 44 , 45 can prevent the backlash.

Further, since a support arm 39 extending rightward from the front side of the opening / closing plate 29 is provided, and a ball release lever 38 is provided at an end of the support arm 39, the ball release hole 22 of the lower ball receiving tray 8 is Even in the case of the central portion in the left-right direction, the ball-pulling lever 38 can be arranged as close as possible to the firing means 9 on the right side, so that the ball-pulling lever 38 is easy to use. Further, since the ball removal lever 38 is provided on the guided portion 44 that slides in the front groove-shaped guide portion 32 via the support arm 39, the ball removal lever 38 can be reliably supported.

Further, since the helical spring 30a is used as the urging spring 30 for urging and holding the opening / closing plate 29 at each position, the helical spring 30 is provided in a small space between the opening / closing plate 29 and the support plate 24.
a can be interposed. Therefore, the entire device including the opening / closing plate 29, the helical spring 30a, and the support plate 24 can be made thinner, and can be mounted compactly below the lower ball receiving tray 8.

Since the locking portions 52 and 53 are provided on the support plate 24 in a protruding manner, when the helical spring 30a is changed, the helical spring 30a can be easily inverted and turned upside down. The opening and closing plate 29 and the helical spring 30a are supported by the support plate 24.
Since it is provided on the side, the mounting operation when mounting the support plate 24 under the lower ball receiving tray 8 can be facilitated.

Although the embodiment of the present invention has been described above, the present invention is not limited to this embodiment.
For example, an opening / closing plate 29 is provided rotatably to open and close the ball hole 22, and in the first biased state, the opening / closing plate 29 is moved to the closed position C and the open position O.
A tension spring may be mounted between the opening / closing plate 29 side and the support plate 24 side so as to be switchably urged. Further, the support plate 24 may be attached to the decorative cover 17.
Further, the locking portions 52 and 53 may be formed in a concave shape other than the projecting shape, and the concave locking portions 52 and 53 may be connected by a groove.

[0041]

According to the first aspect of the present invention, an opening / closing plate 29 for opening and closing the ball removing hole 22 of the ball tray 8, and the opening / closing plate 29
In a ball-and-ball game machine provided with a ball-pulling lever 38 that operates the ball-pushing lever 29 in the opening / closing direction, the open-close plate 29 is opened and closed between an open position O that opens the ball-pulling hole 22 and a closed position C that closes the ball-pushing hole 22 A biasing spring 30 is provided movably in the direction, and biases the opening / closing plate 29.
A first biasing state in which the opening / closing plate 29 is urged in the opening direction on the open position O side and in a closing direction on the closing position C side, and the opening / closing plate 29 is constantly biased in the closing direction. In the first biased state, the opening / closing plate 29 can be held at the open / close position C only by operating the ball release lever 38 in the opening / closing direction. It is possible to easily withdraw the game ball of the ball tray 8 with a simple operation of
The opening and closing plate 29 can be easily changed by changing the biasing spring 30.
Can be easily changed to a first biased state in which is held at each position and a first biased state in which the bias is constantly closed.

According to the second aspect of the present invention, in the first aspect of the present invention, one end of the biasing spring 30 is opened and closed.
And the other end of the biasing spring 30
Since the locking portion 52 for the biasing state and the locking portion 53 for the second biasing state are selectively locked and disengaged, the first biasing state and the second biasing state are achieved. The urging spring 30 can be easily changed. According to the third aspect of the present invention, in the first or second aspect of the present invention, since the biasing spring 30 is disposed on the side opposite to the ball release lever 38 with respect to the opening / closing plate 29, the ball removal is performed. There is no interference between the lever 38 and the biasing spring 30, and the positions of the locking portions 52, 53 for locking the biasing spring 30 can be freely determined. According to the present invention described in claim 4, in the invention described in any one of claims 1 to 3, an opening / closing plate for opening and closing the ball hole 22 is provided.
Guide portions 32 and 33 for guiding the cover 29 in the left-right direction are provided. In the first biased state, the urging springs 30 press the opening / closing plate 29 at the open position O in a direction crossing the guide portions 32 and 33. Is provided, it is possible to prevent rattling of the opening / closing plate 29 at the open position O 2, noise, and the like.

According to the fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the guide portions 32 and 33 are provided on the lower side of the ball tray 8 and on the ball tray 8 side. Stop 52,5
3 is provided, and an opening / closing plate is provided on the support plate 24 side.
Since the spring 29 and the biasing spring 30 are provided, disassembly and assembly when the biasing spring 30 is changed or the like can be easily performed. According to the sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, a helical spring 30a is attached to the urging spring 30.
Helical spring 30 in the first biased state and the second biased state using
Since both ends of the biasing spring 30 are turned over to the opening / closing plate 29 and the locking portions 52 and 53 so that a can be turned upside down, the entire body can be thinned and downsized. In particular, interference of the helical spring 30a with other members can be prevented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a ball game machine showing one embodiment of the present invention.

FIG. 2 is a front view of a ball-pull lever portion showing one embodiment of the present invention.

FIG. 3 is a partially cutaway plan view of a lower plate side showing an embodiment of the present invention.

FIG. 4 is a front sectional view of a ball removing device showing one embodiment of the present invention.

FIG. 5 is a plan cross-sectional view of a ball removing device showing one embodiment of the present invention.

FIG. 6 is a side sectional view of a ball punching device showing one embodiment of the present invention.

FIG. 7 is a side sectional view of a helical spring portion showing one embodiment of the present invention.

FIG. 8 is a front sectional view of a helical spring portion showing one embodiment of the present invention.

FIG. 9 is a plan sectional view of an open state of the ball punching device according to the embodiment of the present invention.

[Description of sign]

 8 Lower ball tray 22 Ball release hole 24 Support plate 29 Opening / closing plate 30 Bias spring 30a Vine spring 32,33 Guide 38 Ball release lever 52,53 Latch O Open position C Close position

Claims (6)

(57) [Claims] A ball provided with an opening / closing plate (29) for opening and closing a ball punching hole (22) of a ball tray (8) and a ball punching lever (38) for operating the opening / closing plate (29) in the opening / closing direction. In a ball game machine, an opening / closing plate (29) is provided movably in the opening / closing direction between an open position (O) for opening the ball hole (22) and a closed position (C) for closing the ball hole (22). The urging spring (30) for urging the open / close plate (29) urges the open / close plate (29) in the open direction on the open position (O) side and closes the open / close plate (29).
On the (C) side, a switch is provided so as to be switchable between a first biasing state in which the opening / closing plate (29) is constantly biased in the closing direction and a second biasing state in which the opening / closing plate (29) is constantly biased in the closing direction. Ball game machine. 2. An end of the biasing spring (30) is locked to the opening / closing plate (29), and the other end of the biasing spring (30) is locked to a locking portion (1) for a first biased state. 2. A locking device according to claim 1, wherein said second urging member is selectively engaged with said second urging member.
The ball-and-ball game machine described in 1. 3. A ball-and-ball game machine according to claim 1, wherein a biasing spring is disposed on a side of the opening / closing plate opposite to the ball release lever. 4. A guide portion (32) (33) for guiding the opening / closing plate (29) in the left-right direction to open and close the ball emptying hole (22) is provided. The biasing spring (30) is provided so as to press the opening / closing plate (29) in the cross direction with respect to the guide portions (32) and (33). Ball game machine. 5. A ball tray under the ball tray (8).
Provided on the (8) side is a support plate (24) provided with guide portions (32) (33) and locking portions (52) (53), and on this support plate (24) side, an opening / closing plate (29) is attached. The ball game machine according to any one of claims 1 to 4, further comprising an urging spring (30). 6. A helical spring (30a) in a first biased state and a second biased state using a helical spring (30a) on an urging spring (30).
So that both ends of the biasing spring (30) can be locked by inverting the open / close plate (29) and the locking portions (52) (53) so that the biasing spring (30) is upside down. The ball game machine according to any one of claims 1 to 5.