JP4012268B2 - Bullet ball machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ball game machine such as a pachinko machine or an arrangement ball pachinko machine, and a launching device mounted on the ball game machine.
[0002]
[Prior art]
There are various types of launching devices to be mounted on a ball game machine, and an example is the type shown in FIG. In this type of launcher 100, a motor 104, a hitting hammer 106, a spring 108, etc. are attached to a base plate 102, the hitting hammer 106 is urged forward by the spring 108, and the hitting hammer 106 is driven backward by the motor 104 to appropriately The game ball is hit and fired by the hitting hammer 106 that moves forward by the urging force of the spring 108 by releasing at the retracted position. Further, the adjusting mechanism 110 for adjusting the urging force of the spring 108 and the shaft 111 of the operation dial 112 are connected via a wire 114 or the like. The firing force was adjusted.
[0003]
Further, the launching device 100 is usually attached to the front frame 116 of the ball game machine. Specifically, the base plate 102 is screwed to the front frame 116, and the operation dial 112 passes through a bearing 120 installed in a through hole 118 formed in the front frame 116 and is rotatably held. It had been.
[0004]
[Problems to be solved by the invention]
As apparent from the structure shown in FIG. 6, since the base plate 102 side of the launching device 100 and the operation dial 112 are arranged separately inside and outside the front frame 116, The mounting work of the base plate 102 on the inner surface side of the frame 116 and the mounting work of the operation dial 112 from the outer surface side are necessary. Also, the centering of the operation dial 112 at that time was important. For this reason, the installation work is relatively complicated and requires a lot of man-hours.
[0005]
An object of the present invention is to simplify the mounting process of the launcher and reduce the number of man-hours required for the mounting work.
[0006]
[Means for Solving the Problems]
As a means for solving the above-mentioned problem, the ball game machine according to claim 1 is:
A striking hammer that strikes the game ball when it moves forward and backward, a spring that urges the striking hammer forward, and a retreat drive mechanism that drives the striking hammer against the forward urging force of the spring. When, the game board has a biasing force adjusting mechanism for adjusting the forward biasing force of the spring in accordance with the amount of rotation of the operation dial, the hitting hammer spring, and a base member for supporting the reverse drive mechanism and the biasing force adjustment mechanism In a ball game machine comprising a launcher that launches a game ball toward the front and a front frame that holds the launcher ,
The operation dial has a structure that is substantially the same as the thickness of the front frame and is rotatably held by a box fixed to the front side of the base member ,
The front frame is provided with a rectangular cutout that matches the box,
By inserting the box into the notch and fixing the launcher to the front frame, the launcher can be assembled to the front frame.
It is characterized by that.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
In the launching device to be mounted on the bullet ball game machine according to the first aspect of the present invention, the backward drive mechanism releases and releases the hitting hammer against the forward biasing force of the spring. Then, the hitting hammer hits the game ball by being displaced forward by the forward biasing force of the spring. The hit game ball is shot out with its hitting power. When the operation dial is rotated, the biasing force adjusting mechanism adjusts the forward biasing force of the spring according to the amount of rotation, so that the player operates the operation dial to play the game ball toward the desired position. Can be fired. These configurations and operations are no different from conventional launchers.
[0009]
However, in the ball game machine according to the first aspect, the operation dial is configured to be rotatably held by a box that is substantially the same as the thickness of the front frame and is fixed to the front side of the base member . For example, it is not necessary to attach a bearing to the front frame of a ball game machine and to support the operation dial with this bearing. Further, since the operation dial and the base member side are already connected, it is not necessary to perform the operation dial centering operation again when the launching device is attached to the gaming machine main body side.
[0010]
Since the front frame has a rectangular cutout that matches the box, insert the box into the cutout with the handle of the operation dial protruding forward of the front frame. By fixing the launcher to the front frame, the launcher can be assembled to the front frame .
[0011]
In this work, only fixing work such as screwing is required apart from positioning and the like , and the mounting work of the launching device is simple and the work man-hours can be reduced.
[0012]
Next, the embodiments of the present invention will be described more specifically with reference to specific examples of the present invention.
[0013]
【Concrete example】
As shown in FIG. 1, the bullet ball game machine 10 of this example includes a front frame 16 that is pivotally supported by upper and lower hinges 14, 14 provided on an outer frame 12. The front frame 16 is a plastic molded product, and a decorative plate is attached to the front side. The front frame 16 has a window-shaped portion 20 surrounded by a metal frame 18, and a game board 22 is installed on the upper part of the window-shaped portion 20, and the front surface of the game board 22 is covered with an openable / closable glass plate. . An upper plate door 26 including an upper plate 24 is attached to the lower side of the game board 22 so as to be openable and closable. Further, a lower plate 28 is attached to the front frame 16 below the upper plate door 26, and an operation dial 30 is installed. A decorative backing plate 32 is attached to the front frame 16 from the lower plate 28 to the operation dial 30. In addition, the contact plate 32 is divided into two with the vicinity of the operation dial 30 as a boundary.
[0014]
As shown in FIG. 2, a launching device 40 is attached to the back side of the front frame 16.
As shown in FIGS. 2 and 3, the launching device 40 includes a base plate 42 that is a member that supports each part of the launching device 40 and that is also a member for attaching the firing device 40 to the front frame 16. A hitting hammer 46 having a hitting member 44 on the head is pivotally attached to the base plate 42 so as to be swingable. One end of a wire 50 is connected to the tail 48 of the hitting hammer 46. The other end of the wire 50 is connected to a hitting force adjusting mechanism 52 containing a spring (not shown), and biases the hitting hammer 46 in the forward direction (the direction of arrow F in FIG. 3) by the biasing force of the spring. ing.
[0015]
A motor 54 is attached to the base plate 42. When the motor 54 is operated, the ball hammer 46 is moved in the backward direction (in FIG. 3) against the biasing force of the spring built in the ball hitting force adjusting mechanism 52. It can be displaced in the direction of arrow B) and released at a predetermined retracted position. The hit ball hammer 46 released here is displaced forward by the biasing force of the spring and hits the game ball.
[0016]
As shown in FIGS. 3 and 4, screw holes 60 are provided at four corners of the base plate 42. Further, as shown in FIG. 4, a plastic box 62 is fixed to the front side of the base plate 42. The thickness of the box 62 is substantially the same as the thickness of the front frame 16. The box 62 holds the shaft holder 64 of the operation dial 30. An operating shaft (not shown) for connecting the grip portion 66 and the hitting force adjusting mechanism 52 shown in FIGS. 2 and 3 is arranged inside the shaft holding portion 64, and the grip portion 66 of the operation dial 30 is provided. By rotating, the biasing force of the spring built in the hitting force adjusting mechanism 52, that is, the hitting force of the hitting hammer 46 can be adjusted.
[0017]
As shown in FIG. 3, the front frame 16 is provided with a rectangular cutout 70 aligned with the box body 62 of the launching device 40, and the box body 62 can be inserted into and removed from the cutout 70. is there. Further, around the notch 70, screw receiving holes 72 are provided at four positions corresponding to the screw holes 60 of the base plate 42. Accordingly, the launching device 40 is relatively moved along the direction of arrow I shown in FIG. 3 so that the box 62 is inserted into the notch 70, and in this state, a screw is set up in the screw hole 60 to bring the launching device 40 into the front surface. It can be fixed to the frame 16. In this state, the backing plate 32 shown in FIG. 1 may be attached to the front frame.
[0018]
Further, the box 62 is removed from the cutout 70 by removing the contact plate 32 and removing the screw fixing the launching device 40 and then moving the launching device 40 along the direction of arrow O shown in FIG. Withdraw, the launcher 40 can be removed from the front frame 16. Thus, the launching device 40 of this example can be attached to the front frame 16 very easily. Moreover, since the motor 54, the hitting hammer 46, and the like as well as the operation dial 30 are attached to the base plate 42, the operation dial 30 is not required to be centered during the installation.
[0019]
Therefore, the mounting process of the launching device 40 is simplified and the number of man-hours required for the mounting work is reduced.
As mentioned above, although embodiment of this invention was described according to the specific example, this invention is not limited to such a specific example, and it cannot be overemphasized that it can implement variously in the range which does not deviate from the summary of this invention.
[0020]
For example, in the specific example, a cutout corresponding to almost the entire launching device is provided. However, as shown in FIG. 5, for example, if the cutout 70 a can be inserted through at least the shaft holding portion 64 of the operation dial 30, The launching device 40 can be set at the attachment position by inserting the shaft holding portion 64 through the notch 70a and moving the launching device 40. The insertion direction (opening direction of the notch) at this time is not necessarily limited to the vertical direction as in the specific example, and may be the horizontal direction.
[0021]
In addition, the box shown in the specific example also serves as a reinforcement of the front frame, but it does not have to be. In particular, when a small notch as shown in FIG. 5 is adopted, it is more compact not to provide a box.
[0022]
【The invention's effect】
As described above, according to the ball game machine of claim 1, for example, it is not necessary to attach a bearing to the front frame of the ball game machine and to support the operation dial with this bearing, and to attach the launching device. There is no need to center the operation dial.
[0023]
In addition, the mounting work of the launching device is simple and the number of work steps can be reduced.
[Brief description of the drawings]
FIG. 1 is a front view of a specific example of a ball game machine.
FIG. 2 is a rear view of a front frame of a specific example of the ball game machine.
FIG. 3 is an explanatory diagram of attachment and detachment of a front frame and a launcher in a specific example.
FIG. 4 is a front perspective view of a specific example launcher.
FIG. 5 is an explanatory diagram of another example of notches.
FIG. 6 is an explanatory view of a conventional launcher mounting structure.
[Explanation of symbols]
10 ... ball game machine, 12 ... outer frame, 16 ... front frame (frame body),
22 ... Game board, 24 ... Upper plate, 26 ... Upper plate door, 28 ... Lower plate,
30 ... operation dial, 32 ... batting plate, 40 ... launching device,
42 ... Base plate, 44 ... Hitting member, 46 ... Hitting hammer,
52 ... Hitting force adjustment mechanism (biasing force adjustment mechanism),
54 ... Motor (reverse drive mechanism),
62 ... box, 64 ... shaft holding part, 66 ... grip part,
70, 70a ... Notches.

Claims (1)

A striking hammer that strikes the game ball when it moves forward and backward, a spring that urges the striking hammer forward, and a retreat drive mechanism that drives the striking hammer against the forward urging force of the spring. When, the game board has a biasing force adjusting mechanism for adjusting the forward biasing force of the spring in accordance with the amount of rotation of the operation dial, the hitting hammer spring, and a base member for supporting the reverse drive mechanism and the biasing force adjustment mechanism In a ball game machine comprising a launcher that launches a game ball toward the front and a front frame that holds the launcher ,
The operation dial has a structure that is substantially the same as the thickness of the front frame and is rotatably held by a box fixed to the front side of the base member ,
The front frame is provided with a rectangular cutout that matches the box,
By inserting the box into the notch and fixing the launcher to the front frame, the launcher can be assembled to the front frame.
A ball game machine characterized by that.

Images