JPH08173613A - Pinball game machine - Google Patents

Abstract

PURPOSE: To prevent deformation of a glass sheet holding frame which covers the front face of a game board and is supported by a shaft in such a way that it can be freely opened and closed, and to prevent unlawful act by means of piano wire or others. CONSTITUTION: A ball game machine consists of a machine frame 1, a front frame 3 to which a game board 6 installed in front of the machine frame 1 is fixed, and a glass sheet holding frame 4 which can be opened and closed, installed on one side of the front frame 3 to cover its front face. The machine frame l is provided with a projection 17 protruding forward along the other side of the front frame 3, where one side of the glass sheet holding frame 4 penetrates into the projection 17 when the glass sheet holding frame 4 is closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball game machine such as a pachinko game machine, and more particularly to improvement of a front frame of the ball game machine.

[0002]

2. Description of the Related Art An example of this type of ball game machine is disclosed in Japanese Patent Laid-Open No. 6-63234. The ball game machine has a machine frame, a front frame attached to the front surface of the machine frame, to which the game board is fixed, and an opening in which a transparent plate is fixed at substantially the center, on the board surface of the game board. A glass plate holding frame which covers the front surface of the front frame so that the opening is located and is attached to the front frame so as to be openable and closable, and the glass plate holding frame is usually made of synthetic resin, One side of the front frame is used as a support shaft to cover the other end of the front frame.

[0003]

However, this type of ball game machine is apt to be impacted by the upper corners of the front frame at the time of transportation to a pachinko hall or attachment to an island stand at a pachinko hall. However, when an impact is applied to the corner portion of the glass plate holding frame, the glass plate holding frame is deformed or rattles, which makes it impossible to open and close or lock the glass plate holding frame. In addition, there are many opportunities to let the piano wire intrude into the game board surface through a slight gap between the glass plate holding frame and the front frame, especially a gap on the side of the glass plate holding frame to intentionally operate the prize winning device and generate prize balls. There was a problem that it was easy to carry out cheating. Then, this invention is made in order to solve the said subject, and an object of this invention is to provide the ball game machine which prevents the fraudulent act by deformation | transformation of a glass plate holding frame, a piano wire, etc.

[0004]

In order to achieve the above object, the ball game machine of the present invention comprises a machine frame, a front frame mounted on the front surface of the machine frame and fixed to the game board, and the front frame. A ball-and-ball game machine having a glass plate holding frame attached to one side of the front frame so as to be openable and closable so as to cover the front face of the front frame, and a protrusion portion protruding forward along the other edge of the front face frame. Formed,
When the glass plate holding frame is closed, one edge of the glass plate holding frame is inserted inside the protruding portion.

[0005]

[Function] By forming a ridge protruding forward along one edge of the front surface frame on which the glass plate holding frame is pivotally supported on one side, the corner portion of the glass plate holding frame is protected, No deformation due to impact will occur. Moreover, since the gap between the one side edge of the glass plate holding frame and the front frame is closed,
It also prevents the intrusion of piano wires and prevents fraudulent activity.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A pachinko gaming machine, which is an example of a ball game machine according to the present invention, will be described below with reference to the drawings. The ball game machine of the present invention is not limited to a pachinko game machine, but can be applied to other ball game machines in general such as an arrangement ball. Further, in the following embodiments, an ordinary pachinko game machine will be described as an embodiment, but the present invention can also be applied to a coin or card type ball game machine.

FIG. 1 is a front view of a pachinko gaming machine to which the present invention is applied, and FIG. 2 is a front perspective view showing a state in which a glass plate holding frame and a front plate are also opened. Pachinko machine 1
Is a machine frame 2 and a front frame rotation shaft 21a,
21b, a front frame 3 rotatably attached to the front frame 3, and a rotary shaft defined by the shaft mounting plate 26 of the front frame 3 and the glass plate holding frame rotary shafts 27a and 27b. Glass plate holding frame 4 rotatably attached to the center
And a front plate 5 attached to the front frame 3 so as to be rotatable about a rotation axis defined by the shaft mounting plate 26 and the front plate rotation shafts 28a and 28b.

A window frame-shaped opening is provided in the central portion of the front frame 3, and the game board 6 is attached to the rear surface thereof.
In the portion covered by the front plate 5, there is provided a hitting ball launching device 7 for launching a pachinko ball to the game part on the front surface of the game board 6. A ball hitting handle 8 for operating the ball hitting launching device 7 and a surplus ball tray 9 are provided on the front surface portion of the front frame 3 below the front plate 5. On the front side of the front plate 5, there are formed a hit ball supply tray 10 for supplying a hit ball to the hit ball launching device 7, and a prize ball payout opening 11 opening toward the inside of the hit ball supply tray 10.

The glass plate holding frame 4 is made of synthetic resin, and its central opening is at a position where the game portion of the game board 6 attached to the front frame 3 is exposed to the player. There is. In this opening, the double glazing 12 is surrounded by the peripheral frame 1.
3 and a translucent fluorescent tube storage frame 14 are attached. In the fluorescent tube storage frame 14, L-shaped fluorescent tubes 15 are detachably attached so as to surround the opening as shown in FIG. 5, and the fluorescent tube storage frame 14 serves as a decorative cover member. Fulfills the function of.

A frame lamp 16 is attached to the upper front portion of the glass plate holding frame 4. The frame lamp 16 may be provided not on the glass plate holding frame 4 but on the front frame 3, and an opening may be provided at a portion of the glass plate holding frame 4 corresponding to the frame lamp 16 or this portion may be cut out. good.

According to the present invention, however, a ridge portion 17 is formed on the side of the front frame 3 opposite to the side of the shaft support portion so as to project forward along the front side edge. The protrusion 17 has a length and a height that cover the entire side end surface 4a of the glass plate holding frame 4 when the glass plate holding frame 4 is closed. As a result, the glass plate holding frame 4 closed as shown in FIG.
One side edge enters inside the ridge 17, and the gap between the glass plate holding frame 4 and the front frame 3 is closed. Further, by forming the ridges 17, even if an impact is applied to the corners of the front frame 3, the ridges 17 are only added to the upper ends of the ridges 17 and are not added to the glass plate holding frame 4. Therefore, the deformation of the glass plate holding frame 4 is prevented.

FIG. 4 relates to another embodiment, in which the front frame 3
It shows a state in which a reinforcing plate 18 made of aluminum is attached to the outer surface of one side wall 3a along the vertical direction. The front end edge 18a of the reinforcing plate 18 is partly hooked on the side of the ridge 17 so that the strength of the ridge 17 can be increased to withstand impact. The reinforcing plate 18 is not limited to the aluminum plate, and may be any hard plate such as an iron plate or a ceramic plate.

FIG. 6 is a perspective view showing a method of attaching the front frame 3 to the machine frame 2 and a method of attaching the glass plate holding frame 4 and the front plate 5 to the front frame 3. A shaft mounting plate 20 is provided on the upper left side of the machine frame 2 in the drawing, and a front frame for rotating the front frame 3 on the upper surface of a member formed to project from the shaft mounting plate 20 to the front side of the machine frame 2. A rotating shaft 21a is provided. Similarly, a shaft mounting plate 22 is also mounted on the lower left side of the machine frame 2, and a front frame rotating shaft 21b for supporting and rotating the front frame 3 is provided at the tip portion thereof.

A bearing plate 24 having a bearing hole 23a into which the front frame rotating shaft 21a of the machine frame 2 is inserted is attached to the left end of the upper piece of the front frame 3. The front frame 3 at the lower part of the bearing plate 24 projects to the front surface side, and a bearing groove 25a into which a glass plate holding frame rotating shaft 27b serving as a rotating shaft of the glass plate holding frame 4 is inserted is formed in the lower part thereof. ing.

A shaft mounting plate 26 is fixed to a portion of the front frame 3 corresponding to the lower side of the glass plate holding frame 4, and glass plates are respectively held above and below a member protruding from the shaft mounting plate 26 to the front side. Bearing groove 2 formed in frame 4 and front plate 5
Glass plate holding frame rotating shaft 27a inserted into 5b and 25d
And a front plate rotating shaft 28a.

The portion of the front frame 3 below the front plate 5 projects so as to be flush with the surface of the front plate 5, and the left end portion of the upper side of the front frame 3 is formed below the front plate 5. A bearing groove 25c into which the face plate rotating shaft 28b is inserted is provided. Further, at the lower end of the front frame 3 at the left end portion in FIG. 6, the bearing hole 2 into which the front frame rotation shaft 21b of the machine frame 2 is inserted.
The bearing plate 29 with 3b is fixed.

Therefore, by fitting the upper and lower bearing holes 23a and 23b into the front frame rotating shafts 21a and 21b, respectively,
The front frame 3 is rotatably attached to the machine frame 2. Further, the glass plate holding frame rotating shaft 27b is provided in the bearing groove 25a of the front frame 3.
The glass plate holding frame 4 is rotatably attached to the front frame 3 by inserting the glass plate holding frame rotating shaft 27a into the bearing groove 25b of the glass plate holding frame 4. 5 is attached in the same manner. Both the glass plate holding frame rotating shaft 27b of the glass plate holding frame 4 and the front plate rotating shaft 28b of the front plate 5 are provided by springs so as to be retractable and retractable, so that they can be attached.

As described above, the glass plate holding frame 4 which is closed at one side is formed with the ridge portion 17 which projects forward along the other edge of the front face frame 3 on which the glass plate holding frame 4 is pivotally supported. The one side edge is fitted into the inside of the protrusion 17. As a result, even if an impact is applied to the corner portion of the front frame 3, the glass plate holding frame 4 is not directly subjected to the force, so that the glass plate holding frame 4 is not deformed. In addition, the ridge 17
As a result, the gap between one side edge of the glass plate holding frame 4 and the front frame 3 is closed, so that it is possible to prevent a piano wire or the like from entering the game board 6 through this gap.

[0019]

As described above, in the ball-playing machine of the present invention, the ridge portion that protrudes forward is formed along one edge of the front surface of the front frame on which the glass plate holding frame is pivotally supported. Since the one edge of the glass plate holding frame is inserted into the inside of the glass plate holding frame, the corner portion is protected and deformation due to external impact is prevented. In addition, since the gap between the one side edge of the glass plate holding frame and the front frame is closed by the protruding portion, the intrusion of the piano wire or the like can be stopped and the fraudulent activity can be prevented.

[Brief description of drawings]

FIG. 1 is a front view of a pachinko gaming machine which is an embodiment of a ball game machine of the present invention.

FIG. 2 is a front perspective view showing a state in which the glass plate holding frame and the front plate are opened.

FIG. 3 is a plan sectional view for explaining the same action.

FIG. 4 is a plan sectional view showing the other embodiment.

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

FIG. 6 is a perspective view showing a method of attaching the front frame to the machine frame and a method of attaching the glass plate holding frame to the front frame.

[Explanation of symbols]

 2 Machine frame 3 Front frame 4 Glass plate holding frame 6 Game board 17 Ridge portion

Claims (2)

[Claims] 1. A machine frame, a front frame mounted on the front surface of the machine frame and fixed to a game board, and a glass plate holding frame mounted on one side of the front frame so as to be openable and closable so as to cover the front surface of the front frame. A ball-and-ball game machine having a front projection and a projection protruding along the other edge of the front surface of the front frame. When the glass plate holding frame is closed, one side end of the glass plate holding frame is formed. A ball-and-ball game machine characterized in that an edge is inserted into the inside of the ridge portion. 2. A machine frame, a front frame mounted on the front surface of the machine frame and fixed to a game board, and a glass plate holding frame mounted on one side of the front frame so as to be openable and closable so as to cover the front surface of the front frame. A ball-and-ball game machine having a front projection, which forms a ridge protruding forward along the other edge of the front frame, and a reinforcing metal plate on the side end surface of the front frame on the ridge side. And a glass plate holding frame is closed, one end of the glass plate holding frame is inserted into the inside of the ridge portion.