JPH10127899A - Antistatic device for game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely prevent static electricity charging of balls which are collected in a ball collection box from a lower tray by achieving simple earthing constitution of the lower tray, while ensuring a design and moldability of the tray. SOLUTION: A lower tray set 9 is formed of conductive thermoplastic synthetic resin containing no carbon powder. The lower tray set 9 is fixed on a front side 4a of a machine frame 4 installed in an island of a pachinko parlor. A pouring set 10 so formed of conductive thermoplastic synthetic resin to be fixed to a backside of the machine frame 4. And a ball releasing mouth part 10b of the pouring set 10 and a ball inflow mouth par 9b of the lower tray set 9 are connected so as to overlap each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a ball from being charged with static electricity when a ball is collected from a lower plate of a game machine such as a pachinko machine into a ball collecting box called a dollar box.

[0002]

2. Description of the Related Art For example, Japanese Unexamined Patent Publication (Kokai) No. 7-144057 discloses a method for connecting a ground wire to a ball storage portion formed of a conductive synthetic resin on a lower plate and collecting the ball from a lower plate into a ball collection box. It is disclosed that the ball is prevented from being charged with static electricity. Japanese Utility Model Publication No. 4-33902 discloses that a conductive member is provided in a ball accommodating portion of a lower plate made of a synthetic resin, and the conductive member is connected to a bolt and a nut for attaching the lower plate to a machine frame. It is disclosed that a ground wire is connected to the ball to prevent static electricity from being charged on the ball when the ball is collected from the lower plate into the ball collection box.

[0003]

However, as the conductive synthetic resin, a synthetic resin mixed with carbon powder is generally used. When the lower plate is manufactured from such a conductive synthetic resin, the color of the lower plate is limited to one color of carbon black,
Lack of design. Also, if the ground is taken by directly connecting the ground wire to the lower plate, the structure for grounding the lower plate becomes complicated,
There are limits to cost reduction.

Accordingly, the present invention secures the design and formability of the lower plate, simplifies the grounding structure to the lower plate, and charges the balls collected from the lower plate into the ball collection box with static electricity. It is an object of the present invention to provide an antistatic device for a gaming machine which can surely prevent the occurrence of the static electricity.

[0005]

According to a first aspect of the present invention, there is provided an antistatic device comprising: a lower plate set for discharging balls stored in a ball storage portion to the outside from a ball storage portion by opening a shutter; An antistatic device for a game machine having a sink set for guiding balls overflowing from an upper plate set, wherein the lower plate set is formed of carbon-free conductive thermoplastic synthetic resin, and the lower plate set is provided with a pachinko machine. Attached to the front side of the machine frame attached to the store island, the sink set is formed of conductive thermoplastic synthetic resin, this sink set is attached to the back side of the machine frame, and the ball discharge port of the sink set The ball flow inlet of the lower plate set is connected to each other. According to the configuration of claim 1, in a mode in which the gaming machine is attached to the island of the pachinko parlor, a ground member of the island, or a metal member having a relatively large discharge area of the island, or a machine attached to the island. By connecting either a metal member having a relatively large discharge area of a frame or a metal member having a relatively large discharge area attached to a game board to a sink set made of a conductive thermoplastic synthetic resin, carbon is reduced. When a ball is dropped onto a ball collection box from a lower plate set made of a non-containing conductive thermoplastic synthetic resin, the ball can be properly prevented from being charged with static electricity, and the balls stored in the ball collection box Electric shock to the touched player can be prevented. In addition, since the lower plate set is formed of a carbon-free conductive thermoplastic synthetic resin, a desired colorant is mixed with the molding material of the lower plate set to perform resin molding, and the design of the lower plate set by color is performed. Performance can be ensured and rusting can be eliminated. A complicated structure for grounding the lower plate is not required, and the cost can be reduced.

[0006]

1 to 4 show a first embodiment. In FIG. 2, the machine frame 1 of the gaming machine is operated by operating a locking device 5 of a front frame 4 attached to the front side of an outer frame 2 attached to an island of a pachinko parlor to be openable and closable by a hinge 3 so that the glass frame 6 Open the plate set 7 on the front side of the front frame 4 and
A game board (not shown) to which a number of game function parts such as nails, windmills, winning holes, decorations, center accessories, out ports, etc. are attached is attached to the back of the front frame 4. The game board is mounted on the island of the pachinko parlor by storing and mounting it on the metal rear plate 8, closing the glass frame 6 and the upper plate set 7, and hooking the locking device 5. The lower plate set 9 fixedly attached to the front frame 4 lower than the upper plate set 7 includes a ball flow inlet portion 9a, a ball accommodation portion 9
b, a shutter 9c, an ashtray 9d, and a handle 9e of the ball firing device. When the player puts a ball called a pachinko ball into the upper plate set 7 and rotates the handle 9e,
The ball is dropped after being fired above the game area along the guide rail of the game board, and bounces back with a nail or turns a windmill during the fall to enter the winning opening or the out opening. When a ball enters the winning opening, a ball called a prize ball is paid out from a ball flow inlet portion 7a of the upper plate set 7 to a ball accommodating portion 7b by a prize ball payout mechanism (not shown) provided on the back surface of the machine frame 1. The dispensed ball is circulated for use with the rotation of the handle 9e. Further, when the balls paid out from the prize ball payout mechanism are full from the ball storage portion 7b of the upper plate set 7 to the ball flow inlet portion 7a, the balls that have been paid out from the prize ball payout mechanism and overflowed are then removed from the upper plate. From a part of the ball inlet port 7a of the set 7, it is accumulated in the lower plate set 9 via the sink 10 shown in FIG. When the player places a ball collection box (not shown) on a table of a pachinko parlor protruding below the lower plate set 9 and operates the operation lever 9f of the shutter 9c, the balls accumulated in the ball storage portion 9b are released from the shutter 9c. A drop hole 9h (see FIG. 1B) with an open lid 9g (see FIG. 1B).
(See the figure). In FIGS. 2 and 3, reference numeral 11 denotes a top lamp, and reference numeral 12 denotes a tank set for supplying balls to the winning ball payout mechanism.

In FIG. 1, a lower plate set 9 is made of a non-carbon-containing conductive thermoplastic synthetic resin, and has a ball inlet portion 9a,
The ball accommodating portion 9b is formed in a shape having a drop hole 9h. When the lower plate set 9 is attached to the front frame 4, the ball flow inlet portion 9 swelling on the back surface of the lower plate set 9.
a is inserted from the front into a through hole 4b formed in the lower front wall 4a of the front frame 4, and a shaft (not shown) of a handle 9e projecting from the back of the lower plate set 9 is formed in the lower front wall 4a. It is inserted into the handle hole 4c from the front.

When the machine frame 1 is mounted on an island of a pachinko parlor, the sink set 10 is provided with a sink set 10 having a metal rear part having a relatively large discharge area, as shown in FIG. By connecting to the plate 8 with the screw 13,
The rear plate 8 is connected via a sink set 10.

The sink set 10 is made of a carbon-containing conductive thermoplastic synthetic resin.
0b, and is attached to the back surface of the front frame 4 with a conductive screw 14 such as a metal. When attaching the sink set 10 to the front frame 4, the sink set 10
Is connected to a collecting gutter (not shown) attached to the back surface of the front frame 4 and connected to the ball inlet port 7a of the upper plate set 7, and expanded to the front of the sink set 10. The discharged ball discharge port 10b is inserted into the through-hole 4b of the front frame 4 from the back side, and is connected to the ball flow inlet section 9b of the lower plate set 9 by overlapping.

As shown in FIG. 4, the lower plate set 9 is assembled from a plurality of resin-molded divided elements in consideration of moldability and design. In this embodiment, a rectangular shape attached to the front frame 4 is used. Base 9i, main 9j attached to base 9i, sub 9 attached to main 9j
k and a plurality of division elements. The base 9i has a ball inlet 9a, the main 9j has a bottom portion of the ball storage portion 9b, a lower peripheral wall rising from the periphery thereof, and a drop hole 9h, and the sub 9k has upper, lower, rear and rear portions of the ball storage portion 9b. And has an upper peripheral wall that is open to the outside. When the sub 9k is mounted on the main 9j, the ashtray 9d is rotatably supported in cooperation with the main 9j and forms a ball accommodating portion 9b.
The main 9i has a bolt 9m for attaching the lower plate set 9 to the front frame 4, and a through hole 9n for fixing the sub 9k with a screw. The base 9i has a through hole 9p for inserting the bolt 9m. Base 9i,
By forming each of the main 9j and the sub 9k with a carbon-free conductive thermoplastic synthetic resin, the lower plate set 9
Are formed of a carbon-free conductive thermoplastic synthetic resin. Examples of the carbon-free conductive thermoplastic synthetic resin include VP450 and VP460 manufactured by Calp Industries, Ltd.
It was used.

According to the structure of this embodiment, in a mode in which the machine frame 1 of the gaming machine is attached to the island of the pachinko parlor,
Since the lower plate set 9 is connected to the rear plate 8 via the sink set 10, when the balls fall from the lower plate set 9 to the ball collection box, the balls are properly prevented from being charged with static electricity. As a result, it is possible to prevent an electric shock to the player who touched the ball stored in the ball collection box.

Further, since the lower plate set 9 is formed of a carbon-free conductive thermoplastic synthetic resin, the molding material of the lower plate set 9 is mixed with a desired coloring agent to perform resin molding. The design property by the color of the dish set 9 can also be secured.

By simply connecting the sink set 10 to the rear plate 8, a complicated structure for grounding the lower plate set 9 is not required, and the cost can be reduced.

FIG. 5 shows a second embodiment, in which both a ball flow inlet 9a of a base 9i and a ball accommodating portion 9b of a main 9j are formed of a carbon-free conductive thermoplastic synthetic resin, and other portions are formed. Is made of synthetic resin with normal insulating properties, reducing the amount of expensive non-carbon-containing conductive thermoplastic synthetic resin compared to synthetic resin with normal insulating properties, reducing costs and preventing static electricity Can also be demonstrated accurately.

FIG. 6 shows a third embodiment in which the ball inlet 9a of the base 9i is divided into an upper portion 9a-1 and a lower portion 9a-2 corresponding to the ball accommodating portion 9b of the main 9j.
Is integrally formed of the same synthetic resin having the same ordinary insulating property as the base 9i other than the lower part 9a-2, and the lower part 9a-2 is formed of a carbon-free conductive thermoplastic synthetic resin to the base 9i including the upper part 9a-1. It is formed integrally with the main 9i shown in FIG.
By combining with the sub 9k, the amount of the expensive carbon-free conductive thermoplastic synthetic resin to be used can be reduced to a minimum from the viewpoint of antistatic, and the cost can be further reduced.

In the above-described embodiment, the case where the sink set 10 is connected to the rear plate 8 is illustrated and described. However, an existing ground wire is directly connected to the island or the sink set 10 is connected to the sink set 10. An earth wire is connected to the rear plate 8, or the sink set 10 is connected to a metal member having a relatively large island discharge area by an electric wire, or
The sink set 10 is connected to the machine frame 1 with a metal member having a relatively large discharge area such as a glass frame or the locking device 5 provided on the machine frame 1 by an electric wire, or the sink set 10 is attached to a game board with an electric wire. The same operation and effect can be obtained by connecting to a metal member having a relatively large discharge area.

[Brief description of the drawings]

FIG. 1 shows a first embodiment, FIG. 1A is an exploded perspective view, and FIG.
The figure is an assembled sectional view.

FIG. 2 is a perspective view showing a front side of the machine frame of the embodiment.

FIG. 3 is an exemplary perspective view showing the back side of the machine casing according to the embodiment;

FIG. 4 is an exploded schematic view of the lower plate set of the embodiment.

FIG. 5 is an exploded schematic view of a lower plate set according to the second embodiment.

FIG. 6 is a schematic view illustrating a base according to a third embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Machine frame 7 Upper plate set 9 Lower plate set 9a Ball flow inlet part of lower plate set 9b Ball storage part of lower plate set 10 Sink set 10b Ball discharge port of sink set

Claims (1)

[Claims] 1. A lower plate set for discharging balls stored in a ball container from a ball container by opening a shutter, and a sink set for guiding balls overflowing from the upper plate set to the lower plate set. An antistatic device for a gaming machine, comprising: a lower plate set formed of a carbon-free conductive thermoplastic synthetic resin; and the lower plate set is attached to a front side of a machine frame attached to an island of a pachinko parlor. The sink set was formed from a conductive thermoplastic synthetic resin, and the sink set was attached to the back side of the machine frame, and the ball outlet of the sink set and the ball inlet of the lower plate set were connected to each other. An antistatic device for a gaming machine, comprising: