JP2708714B2 - Pachinko machine top plate overflow mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko machine upper plate overflow mechanism for overflowing a prize ball discharged from a prize ball discharge mechanism to a lower plate when the upper plate is full of prize balls.

[0002]

2. Description of the Related Art Generally, a pachinko machine equipped with upper and lower trays for receiving a prize ball is provided with an upper plate overflow mechanism for guiding an overflowed prize ball to a lower plate when the upper plate is full. FIG. 4 shows an outline of a conventional upper plate overflow mechanism. The upper plate 23 has its base plate 23a attached to the lower frame portion 21a of the front frame 21 via a hinge (not shown) so as to be openable and closable (usually horizontal rotation with the left end facing the pachinko machine). Plate 24
The base plate 24a is fixed to the lower frame portion 21a of the front frame 21 by screws or the like (not shown). An intermediate frame 22 for mounting a game board (not shown) is provided on the back side of the front frame 21, and a mechanism plate (not shown) is mounted on the back side of the game board. The upper plate overflow mechanism is generally provided on a mechanism plate.

As shown in the figure, the upper plate overflow mechanism is mainly composed of a prize ball discharge passage 25 made of resin. The prize ball discharge passage 25 is integrally connected to a lower portion of a prize ball discharge passage 26 for guiding a prize ball P of a prize ball discharge mechanism (not shown) to the upper plate 23, and forms a main part of a mechanism plate. ing. In the prize ball discharge passage 25, a discharge port 25 a formed on the lower front side communicates with a ball receiving port 24 b of the lower plate 24 via a communication passage 27. The ball receiving port 23b of the upper plate 23 communicates with a ball discharging port 26a formed on the front side of the prize ball discharging path 26 through a communication path 28. Also, the prize ball discharge passage 25 and the prize ball discharge passage 26 communicate with each other via an overflow 29a opening in a partition wall 29 that separates the two passages 25, 26, and when the prize ball P is full in the upper plate 23. Then, the following prize ball P gets over the partition wall 29 and flows out from the overflow 29a to the prize ball discharge passage 25.

[0004]

However, since the above-mentioned conventional upper plate overflow mechanism is provided on the mechanism plate, the work of assembling and maintaining the mechanical parts existing around the mechanism becomes troublesome. There was a defect. That is, the prize ball discharge passage 25 constituting the upper plate overflow mechanism occupies a considerable area in the lower space of the mechanism plate, and is disposed around the safe ball passage,
As a result of restricting the installation space for the out-ball passage, ball-free passage, safe ball counting device, etc., there is a problem in that it is difficult to assemble those mechanical parts in the limited space and that the service work for maintenance and inspection is troublesome. Was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to form an upper plate overflow mechanism in a front frame to provide a space for mounting mechanical parts on the mechanism plate side. Is to expand.

[0006]

Means for Solving the Problems In order to solve the above problems, the present invention is configured as follows. That is, the present invention is an overflow mechanism for a pachinko machine having an upper plate and a lower plate on a lower front surface of a front frame, wherein the front frame includes a resin material including an intermediate frame portion for mounting a game board on the back surface thereof. The lower frame portion is set to have a vertical width having at least a region in which the upper plate and the lower plate can be mounted, and the lower frame portion is formed with a vertically extending concave portion that opens the front side. The recess and the wall on the mounting surface side of the upper plate and the lower plate form a premium ball discharge passage for guiding a premium ball overflowing from the upper plate to the lower plate.

[0007] In order to prevent the prize ball from falling off when the upper plate is rotated to the front, the overflow of the prize ball in the prize ball discharge passage is restricted from flowing around the back wall surface of the upper plate. It is desirable to set a ball guide. Also, in order to overflow the prize ball immediately when the upper plate is full, an inlet for a prize ball discharged from the prize ball discharge mechanism is provided above the lower frame portion, and the inlet and the ball of the upper plate are provided. It is desirable to always receive the prize ball flowing from the inflow port and guide the prize ball to the ball reception port, and to connect the prize ball to the prize ball discharge passage by a gutter member that can drop when the overflow occurs.

[0008]

In the pachinko machine upper plate overflow mechanism according to the present invention constructed as described above, a prize ball discharge passage for guiding a prize ball to the lower plate when the upper plate overflows is set in the lower frame portion of the front frame. This eliminates the need for a space for a prize ball discharge passage that was required on the mechanism plate side.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. 1 and 2 are longitudinal sectional views showing an upper plate overflow mechanism according to the present embodiment, respectively, and FIG. 3 is a front perspective view of the same. The present embodiment is directed to a pachinko machine in which an upper plate 2 and a lower plate 3 are provided on a lower front surface of a front frame 1 and the upper plate 2 is horizontally rotatably mounted on one side of the front frame 1. The front frame 1 is integrally formed into a required shape by injection molding, including an intermediate frame portion 1a for mounting a game board (not shown) fitted on the back side thereof. That is, the front frame and the intermediate frame, which have conventionally been manufactured separately, are integrated by resin molding.

The front frame 1 comprises an upper plate 2 and a lower plate 3.
The lower frame portion 1b, which is a mounting portion, is set wide in the vertical direction so as to have a sufficient area for mounting the lower frame portion 1b, and the lower frame portion 1b is formed with a concave portion 4 opening a front side. The upper plate 2 and the lower plate 3 are arranged so as to cover the open portion of the recess 4. That is, the front frame 1
The base plate portions 2a, 3 which define the open side of the concave portion 4 formed in the lower frame portion 1b as the wall surface on the mounting surface side of the upper and lower plates 2, 3
The prize ball discharge passage 5 guides the prize ball P, which overflows when closed by a, to the lower plate.

The lower plate 3 has a base plate 3a fixed to the surface of the front frame 1 with screws or the like, and the upper plate 2 has one side of the base plate 2a connected to the front frame 1 via a hinge (not shown). 1 and 2 is held at a position where the prize ball discharge passage 5 is formed, ie, a closed position shown in FIGS.

An inflow port 7 connected to an outlet of a prize ball discharge passage 6 for guiding a prize ball P discharged from a prize ball discharge mechanism (not shown) is provided on a rear wall surface 4a of the recess 4 constituting the prize ball discharge passage 5. A drop port 8 for guiding a prize ball P overflowing from the upper plate 2 downward from the upper plate 2 is formed below the inflow port 7 so that a part of the rear wall surface 4a is recessed to the rear side to be vertically elongated. It is formed.

The inflow port 7 of the prize ball P is set at a position higher than the ball receiving port 2b of the upper plate 2, and is connected to the ball receiving port 2b by a gutter member 9. The gutter member 9 is formed of a substantially rectangular cylinder integrally formed on the upper plate 2 side, extends substantially horizontally from the back side of the ball receiving port 2b, and has a tip thereof located below the inflow port 7 by a predetermined distance S. Are facing each other. Further, the gutter member 9 set at a position lower than the inflow port 7 has an opening on the top side at the tip end in order to smoothly receive the prize ball P flowing in from the inflow port 7, and furthermore, from the top opening 9a. The upper opening 9a is covered by an overhang portion 4b at the upper end of the rear wall surface 4a in order to prevent the prize ball P from jumping out.

Therefore, as shown in FIG. 1, the prize ball P which has flowed vigorously from the inflow port 7 during normal operation is surely secured to the gutter member 9.
When the upper plate 2 overflows, as shown in FIG. 2, a prize ball P overflowing from the gutter member 9 and the protrusion 9b provided at the tip of the gutter member 9 and the inflow port 7 as shown in FIG. It falls between the mouth 7a and the drop 8.

The upper plate 2 in the prize ball discharge passage 5 is also provided.
In the part corresponding to the back of the sphere, a spherical guide 1
0 is arranged. The ball guide 10 guides the prize ball P falling from the drop opening 8 and when the upper plate 2 rotates (opens) forward of the machine base, the prize ball P in the prize ball discharge passage 5 moves forward of the machine base. To prevent spills,
The lower end of the lower plate 3 hangs down to the vicinity of the base plate 3a. Further, a guide gutter 11 for guiding the prize ball P toward the ball receiving opening 3b of the lower plate 3 is provided below the prize ball discharge passage 5. The ball guide 10 is attached to the vertical wall surface of the recess 4 with screws or the like, but the guide gutter 11 is integrally formed on the front frame 1 side. Furthermore, the lower portion of the prize ball discharge passage 5, that is, the portion corresponding to the lower plate 3 is bulged rearward, and the accommodation amount of the prize ball P is increased.

As described above, in the upper plate overflow mechanism according to this embodiment, the front frame 1 including the intermediate frame 1a is integrated by resin molding, and the front frame 1 is inserted into the lower frame portion 1b of the front frame 1. A prize ball discharge passage 5 for discharging a prize ball P overflowing from the upper plate 2 to the lower plate 3 is formed. In other words, the prize ball discharge passage 5 conventionally provided on the mechanism plate side is provided in the front frame 1, so that no space for setting the prize ball discharge passage is required on the mechanism plate side. The mounting space for other mechanical components mounted on the plate can be expanded. as a result,
The degree of freedom in the layout of these mechanical components is improved, and it is possible to contribute to facilitation of assembly or maintenance / inspection.

In the present embodiment, when the prize ball P is full on the upper plate 2, the prize ball P and the rear end projection 9b of the gutter member 9 extending at substantially the same level as the plate bottom and the inflow port. 7 immediately falls into the dropping port 8 through the opening 7a and is discharged to the lower plate 3. That is, since the prize ball P overflows at the same time as the upper plate 2 is full, a large amount of the prize ball P stays in an invisible passage behind the upper plate 23 as shown in FIG. Unlike the dish overflow mechanism, a sense of security can be given to the player.

Further, in the present embodiment, the ball guide 10 is provided at a portion corresponding to the back surface of the upper plate 2 to cover the space from the drop opening 8 to the back surface of the lower plate 3, so that FIG. In the state where the prize ball P is fully retained in the prize ball discharge passage 5 as shown by the line, FIG.
Even if the upper plate 2 is rotated forward and opened as shown in FIG. 7, the prize ball P in the prize ball discharge passage 5 can be prevented from flowing out to the front of the machine.

In the present embodiment, the gutter member 9 connecting the inflow port 7 and the ball receiving port 2b of the upper plate 2 is formed in a cylindrical shape. However, the present invention is not necessarily limited to this shape. The shape of the rear wall 4a is acceptable.
It is desirable to extend the overhang portion 4b to cover the upper surface of the opening.

[0020]

As described in detail above, according to the present invention,
Since there is no prize ball discharge passage on the mechanism plate side, there is ample space for mounting various mechanical parts mounted on the mechanism plate, improving the freedom of layout of these parts, facilitating assembly, This can contribute to facilitation of maintenance and inspection.

Further, when a configuration is adopted in which a ball guide for restricting the prize sphere from flowing into the upper plate back wall in the prize sphere discharge passage is adopted, the prize sphere is present in the prize sphere discharge passage. When the dish is rotated forward and opened, the prize balls in the prize ball discharge passage can be prevented from flowing out of the machine. In addition, the entrance of the prize ball discharged from the prize ball discharge mechanism and the ball receiving port of the upper plate always receive the prize ball flowing from the inflow port and guide it to the ball receiving port. When adopting a configuration in which the prize ball discharge passage is connected by a gutter member that can be dropped, when the upper plate is full, the following prize ball immediately overflows and is discharged to the lower plate, so that the upper plate is As compared with the related art shown in FIG. 4 in which a prize ball that cannot be visually recognized from the time when it is full and is discharged to the lower plate is long, the degree of security given to the player is improved.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an upper plate overflow mechanism of a pachinko machine according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view of the upper plate overflow mechanism, showing an overflow state.

FIG. 3 is a perspective view showing the inside of a prize ball discharge passage by rotating an upper plate forward of the machine base.

FIG. 4 is a longitudinal sectional view showing a conventional upper plate overflow mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Front frame 1a ... Intermediate frame part 1b ... Lower frame part 2 ... Upper plate 2a ... Ball receiving port 3 ... Lower plate 3a ... Ball receiving port 4 ... Recessed part 5 ... Premium ball discharge passage 9 ... Gutter member 10 ... Ball guide

Claims (3)

(57) [Claims] 1. An overflow mechanism for a pachinko machine having an upper plate and a lower plate on a lower front surface of a front frame, the front frame including a middle frame portion for mounting a game board on a back surface thereof. The lower frame portion is set to have a vertical width having at least a region in which the upper plate and the lower plate can be mounted, and the lower frame portion is formed with a vertically extending concave portion that opens the front side. An upper plate overflow mechanism for a pachinko machine in which a prize ball discharge passage for guiding a prize ball overflowing from the upper plate to the lower plate is formed by the recess and the wall surface on the mounting surface side of the upper plate and the lower plate. 2. The upper plate overflow mechanism of a pachinko machine according to claim 1, wherein a ball guide is provided in the prize ball discharge passage to restrict the overflow of the prize ball to the back wall surface of the upper plate. . 3. An inlet for a prize ball discharged from a prize ball discharge mechanism is provided above the lower frame portion, and the inlet and the ball receiving port of the upper plate always flow through the inlet. 2. The upper plate overflow mechanism of a pachinko machine according to claim 1, wherein the prize ball is received and guided to a ball receiving port, and when overflow occurs, the prize ball is connected to the prize ball discharge passage by a gutter member which can be dropped.