JPH09173565A - Pachinko machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pachinko machine that unnecessitates a mechanism board. SOLUTION: A front frame 1 is formed integrally with a middle frame 2 for attaching the game board, which is formed on the rear side of the front frame 1, by means of resin molding. In the lower inside of the middle frame 2, a prize ball releasing passage 9 is formed for guiding to a lower dish the prize balls overflowed from the upper dish. In addition, the inner side of the middle frame 2 is formed integrally with a receiving bracket for receiving the game board inserted from the front frame 1 side; and also, the rear side of the middle frame is formed integrally with prize ball guiding passages 16, 17, through a ball passage 18, a safe ball passage 19 and an out ball passage 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine, and more particularly to a pachinko machine in which an intermediate frame for mounting a game board is resin-molded.

[0002]

2. Description of the Related Art Generally, a pachinko machine includes an outer frame forming an outer shell, a front frame having one side edge attached to the outer frame via a hinge, and an intermediate frame fixed to the back side of the front frame. It is composed of a game board attached to the intermediate frame, a mechanism plate and the like which is attached to the back side of the intermediate frame so as to be openable and closable via a hinge. The mechanical plate is provided with various ball passages for controlling the flow of various pachinko balls such as premium balls, safe balls, outer balls, and mechanical parts such as ball control equipment.

[0003]

However, in the above-mentioned conventional pachinko machine, the mechanism plate as a whole is complicated and heavy due to the fact that a large number of mechanical parts are provided on the mechanism plate. Therefore, for example, there is a problem that the opening and closing operation of the mechanism plate mounted on the back surface of the game board, for example, when replacing or repairing the electric control parts is troublesome. In particular, among the ball passages provided in the mechanism plate, the prize ball discharge passage for guiding the prize balls overflowing from the upper plate to the lower plate occupies a considerable area of the lower space of the mechanism plate, and is arranged in the vicinity thereof. It is difficult and complicated to secure the installation space for the safe ball passage, the out ball passage, the ball removing passage, the safe ball processing device, and the like.

In view of the above problems, the present applicant has
We proposed a pachinko machine in which a prize ball discharge passage for guiding a prize ball overflowing from an upper plate provided at a lower part of a mechanism plate to a lower plate is formed in an intermediate frame (Japanese Patent Application No. 6-17694).
No. 5). According to such a pachinko machine, the number of mechanical parts provided on the mechanical plate side can be reduced, and the weight and simplification thereof can be achieved. However, even with this, the mechanical plate still exists on the back surface of the machine base.

The present invention has been made in view of the above problems, and an object thereof is to provide a pachinko machine that does not require a mechanical plate.

[0006]

Means for Solving the Problems In order to solve the above problems, the present invention is configured as follows. That is, in the invention of claim 1, the front frame and the middle frame for mounting the game board provided on the back side of the front frame are integrally formed by resin molding, and the prize ball overflowed from the upper plate is transferred to the lower plate. A pachinko machine in which a prize ball discharge passage for guiding is formed inside the lower side of the intermediate frame, and a pedestal for receiving a game board inserted from the front frame side is integrally formed in the intermediate frame, A ball passage for guiding a pachinko ball is integrally formed on the back surface of the intermediate frame.

According to the invention of claim 1 configured as described above, the mechanism plate is omitted. That is, among the mechanical components provided on the mechanism plate, the main component of the spherical passage is integrally formed on the back surface of the intermediate frame, so that the mechanical plate can be eliminated, and the mechanical components other than the spherical passage can be eliminated. Some devices, such as a prize ball tank, a prize ball discharge gutter, and a prize ball discharge device, will be supported by retrofitting.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a rear view of a pachinko machine according to the present embodiment, and FIG. 2 is a schematic front view. 3 to 6 are cross-sectional views taken along the respective cutting lines shown in FIG. 1, and FIG. 7 is a cross-sectional view of the premium ball discharge passage. In the pachinko machine according to the present embodiment, the front frame 1 and the intermediate frame 2 each having the substantially square-shaped opening S in a front view are resin molded products, and as shown in each cross-sectional view, they are injection molded. It is integrally formed by molding, and the frame portion has a substantially L-shaped cross-section.

In each drawing, the front frame 1 and the intermediate frame 2 which are resin molded products, and the intermediate frame 2 of the mechanical parts.
The spherical passages, which will be described later, integrally formed with the above are shown by solid lines, and other mechanical parts to be attached later are shown by phantom lines.

As shown in FIG. 2, an upper plate 3 and a lower plate 4 are arranged at the lower front portion of the front frame 1, and the upper plate 3 has a base plate 3a whose left side edge is connected to the front frame 1 via a hinge 3b. The base plate 4a of the lower tray 4 is fixed to the front frame 1 by screws (not shown) or the like.

In FIG. 1 showing the back surface of the intermediate frame 2, projecting wall surfaces 2a, 2b, 2c, 2d that project inward are integrally formed on the upper, lower, left and right sides of the back surface of the intermediate frame 2, respectively.
As shown in FIG. 3 or 5, the pedestal 6 for receiving the game board 5 inserted into the opening S from the front frame 1 side is integrated with the inner surface (front side) of each of the projecting wall surfaces 2a to 2d. Is formed so as to project. Then, the game board 5 is fitted into the opening S from the front side of the front frame 1, and is fixed to the intermediate frame 2 by a fixing means such as a screw (not shown) while the back surface is in contact with the pedestal 6. Has become.

It should be noted that the upper projecting wall surface 2a has a projecting width required to mount the prize ball tank 7 and the prize ball discharging gutter 8 and the lower projecting wall surface 2b has the upper plate 3 and the lower plate 4 respectively. Has a projecting width corresponding to the mounting space, the projecting wall surface 2c on the left has a projecting width necessary for setting the pedestal 6, and the projecting wall surface 2d on the right side is for a prize ball guide described later. It has an overhang width necessary to form a ball passage for extraction.

Next, the ball passage formed in the intermediate frame 2 will be described. First, the prize ball discharge passage 9 for guiding the prize balls overflowing from the upper plate 3 to the lower plate 4 will be described. The prize ball discharge passage 9 is formed on the inner surface of the lower portion of the intermediate frame 2. That is, as shown in the sectional view of FIG.
On the inner surface (front surface) of the lower overhanging wall surface 2b is formed a recess 10 extending obliquely in the vertical direction. By closing the base plates 3a and 4a of the lower plate 4, the prize ball discharge passage 9 is formed.

The lower projecting wall surface 2b is provided with an inflow port 11 for the free gift ball, and the free gift ball flowing in from the inflow port 11 passes through a gutter member 12 formed on the upper plate 3 and is moved upward. It is designed to flow into the ball receiving port 13 of the plate 3, and when the prize ball of the upper plate 3 overflows, it passes through the drop port 14 formed between the gutter member 12 and the lower overhanging wall surface 2b. It is configured to fall into the prize ball discharge passage 9.

Next, the ball passage formed on the back surface of the intermediate frame 2 will be described. In FIG. 1, the overhanging wall surface 2 on the right side
On the back surface of d, the prize ball upper guide passage 16 for guiding the prize ball sent from the prize ball tank 7 through the prize ball discharge gutter 8 to the prize ball discharging device 15 and the prize ball discharging device 15 are sent out. The lower part of the prize ball guiding passage 1 that guides the prize ball to the upper plate 3.
7 and a branch from the middle of the prize ball lower guide passage 17
A ball removing passage 18 is formed for removing a prize ball when the store is closed (see FIG. 3). Further, a lower side of the ball removing passage 18, a safe ball passage 19 and an out ball passage 20 are formed on the back surface of the lower protruding wall surface 2b (see FIG. 4).

Each of the above ball passages has a projecting wall surface 2d,
The rib 21 is integrally formed on the back surface of 2b so as to be opposed to each other at a predetermined distance, and a cover 22 that covers the rib 21 so as to cover the opening side and is fixed with a screw or the like has a substantially rectangular cross section. .

The lower end opening of the prize ball lower guide passage 17 is connected through a joint member 23 to an inlet 11 for the upper tray 3 of the prize ball provided on the lower projecting wall surface 2b. There is. Further, in the vicinity of a branch portion between the ball removing passage 18 and the prize ball lower guide passage 17, although not shown, a prize ball is switched so as to flow to either the prize ball lower guide passage 17 or the ball removing passage 18. The lever will be retrofitted.

The safe balls are gathered by a safe ball collecting gutter (not shown) provided on the back surface of the game board 5, guided to the safe ball passage 19, and attached to the safe ball passage 19 later. You will be guided to 24. Further, after the out balls are collected in the out ball collecting holes formed on the lower side of the game board 5, as shown in the sectional view of FIG. It is configured to be guided to the out-ball passage 20 on the back side through the outflow hole 25.

In the pachinko machine according to this embodiment, as described above, the front frame 1 and the intermediate frame 2 are resin molded products, and
Of the mechanical parts provided on the mechanism plate, the ball passage, that is, the prize ball discharge passage 9 for overflow is formed inside the intermediate frame 2, while the prize ball guide passages 16 and 17, the ball removal passage 18, and the safe passage. The ball passages 19 and the out-ball passages 20 are integrally formed on the back surface side of the intermediate frame 2.

Also, a prize ball tank 7 which is a mechanical component other than the ball passage, a prize ball discharge gutter 8, a prize ball discharge device 15 which discharges a predetermined number of prize balls based on a drive signal from a microcomputer, and further safe. The safe sphere processing device 24 and the like for outputting the detection signal of the sphere to the microcomputer are retrofitted to the respective projecting wall surfaces 2a, 2b, 2d of the intermediate frame 2. As a result, the mechanical plate, which was required in the past, is omitted.

As described above, in the pachinko machine according to this embodiment, since the intermediate frame 2 also serves as the mechanism plate, even if the projecting wall surfaces 2a to 2d are formed on the back side,
Compared with the case where the mechanism plates are separately formed and assembled to the intermediate frame, the weight and simplification of the pachinko machine can be achieved, and the production cost can be significantly reduced. Further, the structure and labor for assembling the mechanism plate are unnecessary.

Since the game board 5 is constructed so as to be fitted into the opening S from the front frame 1 side, the intermediate frame 2
The shape of the overhanging wall surfaces 2a to 2d formed in the above can be freely designed. Further, among the ball passages, the prize ball discharge passage 9 for overflow, which requires a relatively large space, is formed inside the lower projecting wall surface 2b of the intermediate frame 2, so that the back surface thereof is sufficiently wide. Space is secured. Therefore, the degree of freedom in design when setting the ball removal passage 18, the safe ball passage 19, and the out ball passage 20 of the premium balls formed here is very high.

[0023]

As described in detail above, according to the present invention,
Since the mechanism plate can be omitted, the pachinko machine can be made lighter, simpler, and less costly, and the work for assembling the mechanism plate to the intermediate frame can be omitted.

[Brief description of the drawings]

FIG. 1 is a back view of a pachinko machine according to an embodiment of the present invention.

FIG. 2 is a schematic front view of a pachinko machine.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is a sectional view taken along line CC of FIG. 1;

FIG. 6 is a sectional view taken along line DD of FIG. 1;

FIG. 7 is a cross-sectional view showing a prize ball discharge passage.

[Explanation of symbols]

 1 ... front frame 2 ... middle frame 3 ... upper plate 4 ... lower plate 5 ... game board 6 ... pedestal 9 ... prize ball discharge passage 16, 17 ... prize ball guide passage 18 ... ball removal passage 19 ... safe ball passage 20 ... out Ball passage

Claims (1)

[Claims] 1. A front frame and an intermediate frame for mounting a game board, which is provided on the back side of the front frame, are integrally formed by resin molding to guide a prize ball overflowing from the upper plate to the lower plate. A pachinko machine in which a prize ball discharge passage is formed inside a lower side of the intermediate frame, wherein a seat for receiving a game board inserted from the front frame side is integrally formed in the intermediate frame while the intermediate frame is formed. A pachinko machine characterized in that a ball passage for guiding the pachinko balls is integrally formed on the back surface of the.