JP2002035346A - Pachinko game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pachinko game machine capable of easily opening a front surface lower plate as needed without generating weakness in terms of strength at a front surface frame body. SOLUTION: In this pachinko game machine 1 provided with a glass plate holding frame 5, a front surface plate 7 provided with an upper ball tray 6 and the front surface lower plate 9 provided with a lower ball tray 8 on the front surface of the front surface frame body 4, the front surface lower plate 9 is freely openably and closably attached to the front surface frame body 4 and a locking mechanism 83 and a fixing member 91 are provided on the open side of the front surface lower plate 9. The locking mechanism 83 is freely detachably locked to the locking part 84 of the front surface frame body 4, and the front surface frame body 4 and the fixing member 91 are screwed down.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko game machine having a front plate having a glass plate holding frame and an upper ball tray and a lower front plate having a lower ball tray at the front of a front frame body. It is.

[0002]

2. Description of the Related Art As is well known, in a conventional pachinko game machine, a front frame is mounted on one side of an outer frame via a hinge mechanism so as to be freely opened and closed, and a glass plate holding frame is mounted on one side of the front of the front frame. And a front plate having an upper ball receiving tray were pivotally supported to be freely opened and closed. In addition, a lower front plate provided with a lower ball tray is fixedly provided at the lower front portion of the front frame. On the other hand, recently, in order to facilitate assembling and maintenance of a hitting ball firing mechanism provided at a lower front portion of a game board, a lower front plate provided with a lower ball receiving tray is provided on the front surface of the front frame so as to be openable and closable. Pachinko machines have been proposed.

[0003]

By the way, in recent pachinko machines, a starting winning opening, a variable display device, a large winning opening, and the like are arranged in a game area surrounded by a guide rail of the game board, and the starting winning opening is provided. When a game ball wins, the numbers and symbols of the variable display device are changed, and when the display at the time of stop is aligned with a predetermined combination, a big hit occurs and a large winning opening is performed for a predetermined time or until a predetermined number of game balls are won. The opening operation is performed in a predetermined cycle so that a large number of prize balls can be obtained at one time. For this reason, when a big hit occurs, a large amount of surplus balls from the upper ball tray is stored in the lower ball tray, and a considerable load is applied to the front lower plate. However, there is a problem that the opening and closing operation cannot be performed smoothly due to the distortion of the shaft support portion, or a gap is formed between the front frame body and the front lower plate, so that an illegal operation is easily performed.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to solve the weakness of the front lower plate and to provide a front lower plate that is less frequently opened than the front plate. An object of the present invention is to provide a pachinko game machine that can be easily opened as required.

[0005]

According to a first aspect of the present invention, there is provided a front plate having a glass plate holding frame and an upper ball tray on a front surface of a front frame, and a lower ball tray. In a pachinko machine equipped with a front lower plate,
Attaching the front lower plate to the front frame so as to be openable and closable, and providing a locking mechanism and a fixing member on the open side of the front lower plate,
It is characterized in that the locking mechanism is removably locked to a locking portion of the front frame, and the front frame and the fixing member are screwed.

[0006] The pachinko gaming machine thus configured is:
Since the open side of the front lower plate is fixed to the front frame by screwing with a locking mechanism and a fixing member, the lowering of the strength of the front lower plate is suppressed, and when it becomes necessary to open the front lower plate, the fixing member is used. After the screws are removed from the front frame and the locking mechanism, the locking mechanism and the locking portion are released from locking, so that it can be easily opened.

[0007]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 is a front view of a pachinko game machine, FIG. 2 is a rear view of the pachinko game machine, and FIG. 3 is a perspective view of a state in which a front plate having a glass plate holding frame and an upper ball tray and a front lower plate having a lower ball tray are opened. FIG. 4 is an exploded perspective view of the front frame. In FIG. 1, the pachinko gaming machine 1 includes an outer frame 2 formed in a vertically elongated rectangular shape, and a front frame 4 that is attached to one side of the outer frame 2 by a vertical hinge mechanism 3 so as to be freely opened and closed. A glass plate holding frame 5, a front plate 7 having an upper ball tray 6, and a front lower plate 9 having a lower ball tray 8 are provided on one side of the front surface of the front frame 4 so as to be openable and closable, respectively.

The front frame 4 is formed of a metal plate such as an iron plate as shown in FIGS. 3 and 4, and has a plate-shaped main frame having a substantially square opening 10 formed thereon. 1
1 and left and right vertical frames 1 made of metal constituting the game board mounting frame 12
2a and 12b and a lower frame 12c. At the outer peripheral edge of the main frame portion 11, a step portion 13 which is in contact with the front edge of the outer frame 2 is formed, and furthermore, upper and lower and left and right side portions 14a which are bent at right angles from the step portion 13 toward the near side. ~
14d is provided around. The left and right vertical frames 12a,
The lower frame 12b and the lower frame 12c are on the back side of the main frame portion 11 and are caulked to the left and right positions and the lower position of the opening 10 and are integrated with the main frame portion 11, respectively. The mounting frame 12 and the opening 1 of the main frame 11
The game board 15 is detachably attached so as to cover 0. A circular guide rail 16 is mounted on a front surface of the game board 15 with a plurality of rail mounting pins, and an area surrounded by the guide rail 16 is configured as a game area.

The main frame 1 located below the opening 10
1 has a circular mounting hole 17 and a square mounting hole 18 formed therethrough. A ball firing mechanism 19 is mounted in the circular mounting hole 17, and a passage member 20 is detachably mounted in the square mounting hole 18. Have been. As shown in FIGS. 3 and 4, a rail decoration member 21 and a rail deformation preventing member 22 are provided on the front surface of the main frame portion 11 so as to cover the outside of the game area of the game board 15. Is provided at a position outside the game area at a position outside the game area, as a board part made of synthetic resin.
Reference numeral 24 denotes a locking mechanism for the front frame 4 and the glass plate holding frame 5, which is to be attached to the side of the right vertical frame member 12a constituting the game board mounting frame 12.

On the other hand, as shown in FIG. 2, a mechanism plate 25 made of synthetic resin is provided on the back surface of the front frame 4 with hinges 26a to 26a.
It is provided detachably and openably and closably via 6d. The mechanism plate 25 is formed in a U-shape which is vertically divided into two parts so as to be opposed to the upper part, the side part, and the lower part of the back surface of the game board 15, and the ball tank 27 and the ball tank 2
A ball guiding gutter 28 is provided for guiding the balls stored in 7 while aligning them downstream, and further on the downstream side of the ball guiding gutter 28 and on the side of the mechanism plate 25 via a bent guiding gutter 29. The prize ball payout device 30 is detachably provided. Further, below the prize ball dispensing device 30, a prize ball discharge passage 31 for guiding the paid prize balls to the upper ball tray 6, and an excess ball passage for discharging surplus balls of the upper ball tray 6 to the lower ball tray 8 are provided. 32, out ball passage 3
3. A ball passage 34 is provided. In addition, game board 1
A prize ball collecting cover 36 for guiding the prize ball to a gutter-shaped prize ball collecting portion 35 formed below the mechanism plate 25 is attached to substantially the center of the back surface of the prize ball 5.
A board box 37 containing a game control board for controlling a gaming state of the pachinko gaming machine and a board 38 to which wiring cords drawn from various electric components are connected are detachably mounted on the back surface of the game machine 6. In addition, 36a is a box-shaped bulge formed on the winning ball aggregate cover 36, and 36b is a cover member for covering an opening formed on the upper surface of the box-shaped bulge 36a.

The hinge mechanism 3 of the outer frame 2 and the front frame 4
Is composed of an upper hinge mechanism 3a and a lower hinge mechanism 3b as shown in FIGS. The upper hinge mechanism 3a includes, as shown in FIG. 5, an upper fixing bracket 40 attached to an upper corner outside the outer frame 2 with a screw 39, and an upper movable bracket 41 crimped on one side upper portion of the front frame body 4. Become. The upper fixture 40 includes a horizontal plate portion 40 a attached to the upper surface of the outer frame 2 and a vertical plate portion 40 attached to the outer surface of the outer frame 2.
b to form an inverted L-shape.
Are provided integrally with a notch groove 42 projecting forward from the upper end of the outer frame 2 and opening outward, and a protruding piece 44 having a bearing hole 43 formed in communication with the notch groove 42. ing. The upper surface of the protruding piece 44 located on both sides of the notch groove 42 has an upwardly inclined surface 4 from the lower front to the upper rear.
4a.

The upper movable bracket 41 has a mounting piece 41a attached to the back surface of the front frame 4 and a horizontal plate 41b protruding forward of the front frame 4, and a lower end of the horizontal plate 41b. An upper hinge shaft 45 projects downward. The upper hinge shaft 45 is a flat shaft formed to have a width capable of being inserted into the notch groove 42 in a state where the circular shaft portion 45a fitted into the bearing hole 43 of the upper fixing bracket 40 and the front frame 4 are opened at substantially right angles. Portion 45b, the circular shaft portion 45a and the flat shaft portion 45
The boundary surface with the edge b is formed as a downward inclined surface 45c from the upper rear to the lower front. The upper hinge shaft 4
The flat shaft portion 45b is integrally provided with a protruding regulating protrusion 46 for regulating the upward movement range of the front frame 4.

As shown in FIG. 6, the lower hinge mechanism 3b is attached to a lower fixing metal 48 attached to a lower corner inside the outer frame 2 with a screw 47, and is caulked to one side lower portion of the front frame 4. And a lower movable fitting 49. The lower fixing bracket 48 includes a vertical mounting piece 48a attached to the lower inside of the outer frame 2 and a horizontal plate 48b protruding forward of the outer frame 2.
And a convex portion 50 is integrally formed on the upper surface of the horizontal plate portion 48b. The convex portion 50 is provided to reduce the contact surface with the lower movable fitting 49 so that the front frame 4 can be smoothly opened and closed. A hole 51 is provided. And
The lower hinge shaft 52 penetrates upward from below the through hole 51 and is integrally fixed by caulking or welding.
The lower movable metal fitting 49 has a vertical mounting piece 49a attached to the back surface of the front frame 4 and a horizontal plate 49b protruding forward of the front frame 4. The horizontal plate 49b has A bearing hole 53 that fits into the lower hinge shaft 52 is formed.

In the hinge mechanism 3 configured as described above, in order to support the front frame 4 on the outer frame 2, first, the bearing hole 53 of the lower movable fitting 49 is placed upward on the lower hinge shaft 52 of the lower fixing fitting 48. Then, the front frame 4 is positioned so as to be opened at a substantially right angle so that the flat shaft portion 45b of the upper hinge shaft 45 faces the cutout groove 42 of the upper fixing bracket 40. Is pressed against the outer frame 2. Thereby, as shown by the chain line in FIG.
The front frame 4 is gradually pushed upward by the downwardly inclined surface 45c formed on the upper hinge shaft 45 of the upper movable bracket 41, and the front frame 4 is further pushed into the upper frame as shown by the solid line in FIG. The circular shaft portion 45a of the shaft 45 is fitted into the bearing hole 43 of the upper fixing bracket 40, and thus the front frame 4 is supported on the outer frame 2 so as to be freely opened and closed with one touch. ing.

On the other hand, a downward hinge on the front side of the front frame body 4 and on the upper end on the pivotal support side, as shown in FIG. 3 and FIG. Axis 5
4 is fixedly supported. A hinge metal fitting 5 for supporting the front plate 7 and the front lower plate 9 at a position slightly below the center of the front frame 4 on the pivot side.
6 is swaged. The hinge metal fitting 56 has a horizontal upper supporting piece 56 interposed between the glass plate holding frame 5 and the front plate 7 at the upper end to receive the lower surface of the glass plate holding frame 5 on the supporting side.
a is formed at a substantially middle position between the front plate 7 and the front lower plate 9, and a horizontal lower support piece 56 b is formed between the front plate 7 and the front lower plate 9 to receive the lower surface of the front plate 7 on the supporting side. Horizontal receiving pieces 56c for receiving the lower surface of the front lower plate 9 on the pivot support side are formed, respectively, and these upper and lower supporting pieces 56a, 5c are formed.
The hinge shaft 58 penetrates through shaft through holes 57a, 57b, 57c respectively provided in the horizontal receiving piece 6b and the horizontal receiving piece 56c. The hinge shaft 58 is fixed so that the knurled portion 59 formed on the outer peripheral surface thereof is pressed into contact with the shaft through hole 57a of the upper support piece 56a by being strongly driven with a hammer or the like so as not to be pulled out. Is the upper support piece 5
The length is selected so as to slightly project upward from 6a.

As shown in FIGS. 1 and 3, the glass plate holding frame 5 has a main body frame 5a made of a synthetic resin having a rectangular opening formed at the center so that the game area of the game board 15 can be visually recognized. The reinforcing metal plate 5b attached to the back side of the main body frame 5a is formed to have a size that covers the upper half of the front frame body 4 over the entire width. The reinforcing metal plate 5b has a body frame 5
A groove frame member 5c formed in a U-shape so as to surround the left and right sides and the lower side except the upper side of the opening a is integrally provided, and the game board 15 is mounted on the groove frame member 5c. The two inner and outer glass plates 60 that can be seen through are inserted and fitted from above to be held. A hinge member 61 is provided at the upper end of the glass plate holding frame 5 at the pivotal support side, and a shaft hole 62 fitted to the hinge shaft 58 at the lower end.
Are drilled. The hinge member 61 is shown in FIGS.
As shown in the figure, a supporting portion 63 provided in a hollow portion between the main body frame 5a and the reinforcing metal plate 5b and screwed to the reinforcing metal plate 5b is mounted on the supporting portion 63 so as to be slidable in the lateral direction. A slider 65 provided with an inclined surface 64 at its tip,
The support portion 63 is provided with a U-shaped groove 67 in which a hinge shaft 58 is held. The fraud preventing ribs 6 are provided on both left and right outer sides of the groove frame member 5c and on the back side of the reinforcing metal plate 5b.
8a and 68b are formed.

The glass plate holding frame 5 configured as described above
Is attached to the front frame 4 by first holding the glass plate holding frame 5
The lower end shaft hole 62 is connected to the support piece 56a on the upper part of the hinge fitting 56.
Is fitted from above and connected to a hinge shaft 58 projecting upward from the upper side, and then the hinge member 6 of the glass plate holding frame 5 is connected.
1 is a hinge shaft 54 projecting from a support 55 of the front frame 4.
To the inclined surface 64 of the slider 65 of the hinge member 61.
The glass plate holding frame 5 is pressed against the front frame 4 while the hinge shaft 54 is in contact with the frame. As a result, the slider 6 is moved by the hinge shaft 54 that contacts the inclined surface 64 of the slider 65.
5 retreats against the bias of the spring 66, and further presses the glass plate holding frame 5, whereby the hinge shaft 54 moves the inclined surface 6.
As shown in FIG. 9, the slider 65 is inserted into the U-shaped groove 67 of the support portion 63 at the same time, and the slider 65 is returned to the original position by the bias of the spring 66 so that the hinge shaft 54 does not come off. The glass plate holding frame 5 includes a hinge shaft 58.
And is supported by the hinge shaft 54 so as to be openably and closably mounted on the front frame 4. When the glass plate holding frame 5 is closed, the locking portions 69, 69 of the locking mechanism 24 and the L-shaped locking metal fittings 70, 70 of the glass plate holding frame 5 engage to hold the glass plate. The frame 5 is to be locked. When removing the glass plate holding frame 5 from the front frame body 4, the hinge shaft 54 may be pulled out from the U-shaped groove 67 and removed while retracting the slider 65 with a finger against the bias of the spring 66.

On the other hand, the front plate 7 has a metal plate 7a as shown in FIG. 10, and an upper ball receiving tray 6 is fixed to the front surface thereof. Further, hinge members 61a, 61a having the same structure as the hinge member 61 of the glass plate holding frame 5 are fixed to the front surface of the metal plate 7a and the upper end and the lower end on the pivot side thereof. Anti-fraud ribs 71a and 71b projecting to the rear surface side are integrally formed on the left and right side edges of the plate body 7a by bending. In order to attach the front plate 7 to the front frame 4, upper and lower hinge members 61a, 61a
The U-shaped groove 67 of the support member 56a, 5
It is attached to the front frame 4 so as to be openable and closable by being fitted into the hinge shaft 58 located between the members 6b.

On the open side of the front plate 7, a locking member 72 is provided so as to be vertically movable. This latch 7
2 has a hook portion 74 provided on the front side of the front frame body 4 and capable of engaging and disengaging with the hook portion 74. When the hook 72 is in the upward movement position as shown by the solid line in FIG. The portion 74 is locked by the locking portion 73 of the front frame 4, the front plate 7 is closed to the front of the front frame 4, and when the locking metal member 72 is at the lower position as shown by the chain line in FIG. The locking between the portion 74 and the locking portion 73 is released so that the front plate 7 can be opened. Further, a ball stopper plate 77 for opening and closing a ball outlet 76 formed in the front plate 7 is integrally fixed to the locking metal member 72. This ball stopper plate 77 is formed of a thin plate-like elastic body such as stainless steel. When the locking metal member 72 is moved upward and the front plate 7 is closed, as shown by a solid line in FIG. When the stopper 78 is located above the ball outlet 76 and opens the ball outlet 76, and the locking metal member 72 is moved down to open the front plate 7, the locking metal member 72 is integrated with the locking metal member 72 as shown by a chain line in FIG. The ball outlet 76 is closed by the ball stopper 78 by moving downward. In this manner, the ball stopper plate 77 is provided integrally with the locking metal member 72 for locking or releasing the front plate 7, and when the front metal plate 7 is opened by lowering the locking metal member 72, the ball is stopped by the ball locking plate 77. With the configuration in which the ball outlet 76 of the saucer 6 is closed, even when balls are stored in the upper ball saucer 6 when the front plate 7 is opened, the ball does not fall down from the ball outlet 76, and Each time the face plate 7 is opened, there is an advantage that the troublesome work of extracting the ball of the upper ball receiving tray 6 can be omitted.

As shown in FIGS. 13 to 15, the front lower plate 9 has a metal plate 9a similarly to the front plate 7, and a lower ball receiving tray 8 is fixed to the front surface thereof. And
The hinge member 6 of the glass plate holding frame 5 is provided between the lower ball receiving tray 8 and the metal plate 9a, and at the upper end and the lower end on the pivotal support side.
Hinge members 61b, 61b having the same structure as 1 are fixed, and furthermore, fraud preventing ribs 79a, 79b protruding to the back side are integrally formed on the left and right side edges of the metal plate 9a by bending. . Then, the front lower plate 9 is attached to the front frame 4
As in the case of the front plate 7, the U-shaped grooves 67 of the upper and lower hinge members 61b, 61b are fitted to the hinge shaft 58 located between the lower supporting piece 56b of the hinge fitting 56 and the horizontal receiving piece 56c. As a result, it is attached to the front frame 4 so as to be openable and closable. The metal plate 9
a, the surplus sphere of the upper ball saucer 6 is provided at the substantially central portion thereof.
A lower plate opening 80 and a wiring through hole 81 leading to the
Further, a speaker 82 is attached.

On the other hand, on the open side of the front lower plate 9, as shown in FIG. 13 and FIG. The lower locking member 83 is provided with a hook portion 85 which can be engaged with and disengaged from a locking portion 84 provided on the front side of the front frame body 4. When the locking member 83 is at the upward movement position, the hook portion 85 thereof is locked by the locking portion 84 and is closed by the front frame 4. And
As shown by the dashed line in FIG. 15, the hook between the hook portion 85 and the locking portion 84 is released by putting a finger on the pressing portion 87 at the upper end of the lower locking metal 83 and pushing down the lower locking metal 83. The front lower plate 9 can be opened.

The inner wall members 88a and 88 for preventing foreign matter such as piano wires and wires from entering the front side of the front frame 4 and located inside the left and right side portions 14a and 14b.
b is provided. The inner wall members 88a and 88b are formed by bending a thin metal plate having a length substantially equal to the left and right side portions 14a and 14b into a substantially L-shaped cross section, and are provided on the open side portion 14a of the front frame 4. The inner wall member 88a is caulked to the step 13 so as to substantially completely cover the outside of the locking mechanism 24, and the inner wall member 88b provided on the pivot side of the front frame 4 avoids the hinge shaft 54 and the hinge shaft 58. As described above, the main frames 11 are in contact with each other and are caulked.
When the glass plate holding frame 5, the front plate 7 and the front lower plate 9 are closed, the fraud preventing ribs 68a and 68b of the glass plate holding frame 5 and the fraud preventing ribs 71a and 71b of the front plate 7 are provided. And a rib 79 for preventing fraud of the front lower plate 9
a and 79b are provided along the outside.

For this reason, even if a foreign object such as a piano wire or a wire is inserted through a gap between the open side surface and the front surface of the front frame body 4 in a state where the glass plate holding frame 5 is closed, the tip end of the foreign object is an inner wall member. 88a and fraud preventing rib 6 of glass plate holding frame 5
Since it is not possible to penetrate the lock mechanism 24 any more, it is possible to reliably prevent an illegal act of opening the glass plate holding frame 5 by catching a foreign substance on the locking mechanism 24.
Similarly, even when foreign matter such as piano wire or wire enters through a gap between the open side surface of the front plate 7 or the lower front plate 9 and the front surface of the front frame 4, the inner wall member 88a and the front plate Since the tamper-proof ribs 71a and the tamper-proof ribs 79a of the front lower plate 9 cannot be penetrated any further, foreign matter is caught on the locking metal member 72 or the lower locking metal member 83 and the front plate 7 or the front lower plate 9 is caught. Unauthorized act of opening 9 can be reliably prevented. Further, even if foreign matter such as a piano wire or a wire is made to enter from the pivot side of the glass plate holding frame 5, the front plate 7 and the front lower plate 9, the tip of the foreign matter is formed on the inner wall member 8.
8b, the fraud-preventing rib 68b of the glass plate holding frame 5, the fraud-preventing rib 71b of the front plate 7, and the fraud-preventing rib 79b of the front lower plate 9 can be inserted into the game area of the game board 15. Disappears. The front plate 7
In addition, fraud prevention plates 89 and 90 are attached to the side edges on the pivot side of the front lower plate 9 to form a double fraud prevention structure.

Thus, the fixing member 91 is provided on the open side of the front lower plate 9 and at the lower rear position of the metal plate 9a. As shown in FIG. 16, this fixing member 91 is formed in a rectangular three-dimensional shape by a synthetic resin, and has a cylindrical concave portion 92 and a mounting boss 93 integrally formed. As shown in FIG. A cylindrical concave portion 92 is fitted into a projection 95 integral with the lower ball receiving tray 8 projecting rearward from a through hole 94 formed in 9 a. A screw 98 is fitted into the screw hole 97 and tightened, so that it is firmly fixed to the front lower plate 9.
The front end of the mounting boss 93 is brought into contact with the front surface of the front frame body 4 with the front lower plate 9 closed, and a mounting hole 99 is provided at the center thereof. Also,
The main frame 11 of the front frame 4 has a mounting hole 9 for a mounting boss 93.
9, a small through hole 100 for attachment is formed.

As shown in FIG. 15, the front lower plate 9 having the above structure is closed by closing the front lower plate 9 and holding the lower locking member 83.
Is fixed to the locking portion 84 of the front frame 4, and a screw 10 is inserted into the mounting hole 99 of the fixing member 91 from the small through hole 100 of the front frame 4.
Fit 1 and fasten. As a result, the front lower plate 9 is firmly fixed to the front frame 4 and the front lower plate 9
Of the front lower plate 9 even if a large load is applied to the lower lower plate 9 and a considerable load is applied to the lower front plate 9. The component does not bend or distort. For this reason, the opening and closing operation of the front lower plate 9 can be performed smoothly even when used for a long period of time, and the front frame 4
It is possible to eliminate the problem that a gap is not generated between the front panel 9 and the front lower plate 9 and fraud is easily performed. Then, it is necessary to open the front lower plate 9 for repair or replacement of the hitting ball launching mechanism 19 and the passage member 20 attached to the lower front portion of the front frame 4 or the speakers 82 provided on the back surface of the lower front plate 9. In some cases, the screwing between the fixing member 91 and the front frame 4 is removed, and then the locking between the hook portion 85 and the locking portion 84 of the lower locking bracket 83 can be released to facilitate opening.

[0026]

As is apparent from the above description, according to the first aspect of the present invention, the front plate having the glass plate holding frame and the upper ball tray and the front surface having the lower ball tray on the front surface of the front frame body. In a pachinko gaming machine having a lower plate, the front lower plate is attached to the front frame so as to be openable and closable, and a locking mechanism and a fixing member are provided on an open side of the front lower plate. And the front frame and the fixing member are screwed to each other, and the front lower plate is firmly fixed to the front frame. The front lower plate can be prevented from lowering in strength, and the front lower plate can be easily opened by removing the screw between the fixing member and the front frame, and then releasing the locking between the locking mechanism and the locking part. Can be installed on the lower part of the front of the game board. Assembling or repair or replacement such as a speaker provided on a rear surface of the lower front plate of the hitting firing mechanism and passage member that is can be easily.

[Brief description of the drawings]

FIG. 1 is a front view of a pachinko gaming machine.

FIG. 2 is a rear view of the pachinko gaming machine.

FIG. 3 is a perspective view showing a state in which a glass plate holding frame, a front plate, and a front lower plate are opened.

FIG. 4 is an exploded perspective view of the front frame.

FIG. 5 is an exploded perspective view of an upper hinge mechanism portion of the outer frame and the front frame.

FIG. 6 is an exploded perspective view of a lower hinge mechanism portion of the outer frame and the front frame.

FIG. 7 is a side sectional view for explaining the operation of the upper hinge mechanism of the outer frame and the front frame.

FIG. 8 is a perspective view of a hinge member.

FIG. 9 is a cross-sectional plan view showing a pivotal support state between the glass plate holding frame and the hinge member.

FIG. 10 is a perspective view from the back of the front plate.

FIG. 11 is a side view for explaining the operation of the locking metal of the front plate.

FIG. 12 is a front view illustrating the operation of the locking metal of the front plate and the ball stopper plate.

FIG. 13 is a perspective view of the lower front plate as viewed from the back.

FIG. 14 is a rear view of the lower front plate.

FIG. 15 is a side sectional view of a main part showing a fixed state of the front frame and the front lower plate.

FIG. 16 is a perspective view of a fixing member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pachinko gaming machine 2 Outer frame 4 Front frame 5 Glass plate holding frame 6 Upper ball tray 7 Front plate 8 Lower ball tray 9 Front lower plate 83 Lower locking metal fitting (locking mechanism) 84 Locking portion 91 Fixing member

Claims (1)

[Claims] 1. A pachinko game machine comprising a front plate having a glass plate holding frame, an upper ball tray, and a lower front plate having a lower ball tray on the front surface of a front frame, wherein the lower front plate is attached to the front frame. In addition to being freely openable and closable, a locking mechanism and fixing member are provided on the open side of the lower front plate,
A pachinko game machine wherein the locking mechanism is removably locked to a locking portion of the front frame, and the front frame and the fixing member are screwed.