JP2905720B2 - Prize ball tank mounting device for ball-and-ball game machines - Google Patents

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 machine, an arrangement ball machine and the like.

[0002]

2. Description of the Related Art In a ball and ball game machine such as a pachinko machine, a game board is detachably mounted on a front frame, and a back set plate for holding the game board from the rear side is pivotally mounted on the front frame so as to be freely opened and closed. On the back set plate, a prize ball tank for storing prize balls, prize ball payout means for paying out a predetermined number of prize balls, and a prize ball rail for guiding prize balls from the prize ball tank to the prize ball payout means are mounted. ing.

[0003] In this type of ball game machine, when a prize ball tank is attached to a back set plate, conventionally, a pin-shaped locking member projecting rearward through a front frame so that the back set plate can be fitted and removed. On the other hand, the prize ball tank is removably inserted into the back set plate from above so that the prize ball tank can be detachably fitted to the locking device when ascending and cannot be detached from the locking device when descending. An engaging hole in the form of a daruma hole to be engaged is provided.

[0004]

In the conventional mounting structure of the prize ball tank, the weight of the prize ball in the prize ball tank is supported on the front frame side through the locking member, so that the back set plate has a large weight. There is an advantage that the strength of the back set plate is not required so much.

[0005] However, when the back set plate is opened to check for a failed part or when the game board is replaced, the engagement hole of the prize ball tank is engaged with the locking member, so that the prize ball tank is engaged. Must be lifted to disengage the lock. For this reason, if the prize ball tank is raised while the prize ball is still inserted, a gap is created between the prize ball tank and the prize ball rail below the prize ball tank. There is a disadvantage of falling down.

Therefore, conventionally, when the back set plate is opened, all the prize balls in the prize ball tank are taken out in advance, and then the prize ball tank is raised to engage the engagement hole with the locking member. , It is necessary to open the back set plate and disengage from the engagement tool, which has a drawback that the operation becomes very troublesome. The present invention has been made in view of such a conventional problem, and can easily open and close the back set plate without operating the prize ball tank simply by rotating the locking tool. It is an object of the present invention to provide a prize ball tank mounting device for a ball game machine that can easily and firmly fix a prize ball tank together with a plate.

[0007]

According to the first aspect of the present invention, a back set plate 12 is mounted on the rear side of a front frame 2 so as to be openable and closable, and a prize ball is provided on the rear upper portion of the back set plate 12. In a ball-and-ball game machine provided with a tank 16, a locking tool 11 protruding rearward from the front frame 2 side and having a locking portion 31, and a back set plate 12 and a prize ball tank 16 formed on the back set plate 12 Engaging and disengaging holes 26 and 27 for engaging and disengaging the locking tool 11 when opening and closing;
Is set in the set holes 12 and 27 of the prize ball tank 16 and the set-off position A where the locking portion 31 is fitted in the set holes 26 and 27. The locking tool 11 is provided so as to be rotatable around a longitudinal axis 32 between a locking position B for locking the ball tank 16 and the locking position B.

According to a second aspect of the present invention, in the first aspect, the tank mounting portion 21 of the back set plate 12 is provided.
A pair of left and right positioning protrusions 22 projecting rearward are formed, and the positioning is performed in a state where the front wall portion 23 of the prize ball tank 16 is stacked on the rear side of the back set plate 12 on the prize ball tank 16 side. Projection 22
Form a positioning recess 24 with which the positioning recess 24 engages.
The prize ball tank 16 is fixed to the back set plate 12 with a screw that is inserted from the rear side into 24 and screwed into the positioning projection 22.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the locking tool 11 is provided so as to correspond to a substantially central portion of the front wall 23 of the winning ball tank 16 in the left-right direction. , Front frame 2
Engagement projections 20 projecting rearward from the side are provided on the left and right sides of the locking tool 11, and the engagement holes 28, 2 engage with the engagement projections 20 from above.
9 is formed on the back set plate 12 and / or the front wall 23 of the prize ball tank 16.

[0010]

According to the first aspect of the present invention, a back set plate is provided.
In the closed state, the locking tool 11 is fitted into the back set plate 12 and the fitting holes 26 and 27 of the winning ball tank 16, and the locking portion 31 of the locking tool 11 is turned to the locking position B. Then, the back setting plate 12 and the winning ball tank 16 are locked to the front frame side by the locking tool 11.

When the back set plate 12 is opened, the locking device 11
Is rotated around the front / rear axis 32 to the fitting position A, and the locking device 11 is rotated.
To release the locking of the back set plate 12 and the winning ball tank 16. Then, when the back set plate 12 is rotated backward in this state, the back set plate 12 and the fitting holes 26 and 27 of the winning ball tank 16 are removed.
And the backing plate 12 is opened.

When the back set plate 12 is closed, the reverse may be performed. Therefore, even when the prize ball is kept in the prize ball tank 16, the back set plate 12 can be easily opened and closed without operating the prize ball tank 16, and the back set plate 12
In the closed state, the winning ball tank 16 can be easily and firmly fixed together with the back set plate 12.

According to the second aspect of the present invention, when the winning ball tank 16 is fixed to the tank mounting portion 21 of the back set plate 12, the front wall portion 23 of the winning ball tank is fixed to the tank mounting portion 21.
Are positioned from the rear side, the positioning recesses 24 on the winning ball tank 16 side are fitted into the positioning projections 22 of the tank mounting portion 21, and these are fixed with screws 25. For this reason back set plate 12
The prize ball tank 16 can be fixed with high accuracy.

According to the third aspect of the present invention, when the back set plate 12 is in the closed state, the engaging projections 20 on both sides of the locking tool 11 are attached to the back set plate 12 and / or the front wall portion 23 of the winning ball tank 16. Engagement hole
28, 29 are engaged from above. For this reason, the weight of the prize ball tank 16 side can be shared by the engagement protrusion 20.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. 6 to 8, 1 is a machine frame, 2 is a front frame,
It is pivotally connected to the machine frame 1 by a pair of upper and lower hinges 3 so as to be freely opened and closed. 4 is a synthetic resin holding frame, behind the front frame 2,
It is provided in a gate shape so as to surround the opening 5. Reference numeral 6 denotes a game board, which is detachably attached to the holding frame 4 of the front frame 2 from the rear side.

Reference numeral 7 denotes a launching device for launching a game ball;
Attached to the bottom of the The launching device 7 includes an operating handle 8 and a firing motor 9, and the operating handle 8 is
A firing motor 9 is arranged on the front side of the vehicle. Reference numeral 10 denotes a fastening lever for the back set plate, two provided on each of the left and right sides of the holding frame 4. Reference numeral 11 denotes a locking tool that protrudes rearward from the holding frame 4 and is provided at the upper portion of the holding frame 4.
A pair of left and right engagement protrusions 20 are integrally provided on both sides of the locking tool 11.

Reference numeral 12 denotes a back set plate for pressing down and fixing the game board 6 mounted on the holding frame 4, and is pivotally attached to the holding frame 4 by a pair of upper and lower hinges 13 so as to be openable and closable. Fastened by lever 10. In addition, back set plate 12
, Window holes 15 are respectively provided in the center.

On the rear side of the back set plate 12, a prize ball tank 16,
The prize ball rail 17, the prize ball payout means 18, the prize ball guide passage 19 and the like are mounted in a U-shape so as to surround the window hole 15.
The prize ball tank 16 is for storing prize balls, and is shown in FIG.
As shown in FIG. 4 to FIG. 4, the rear set plate 12 is detachably fixed to the tank mounting portion 21 above the back set plate 12 from the rear side.
In a closed state in which the game board is pressed down from the rear side by 12, the game board is locked to the rear side of the front frame 2 by the locking tool 11 together with the back set plate 12.

That is, the tank mounting portion 21 of the back set plate 12
Is recessed toward the front as compared with the other parts so that its front side contacts the front frame 2.
A rectangular positioning projection 22 which is long in the vertical direction
Are formed integrally and project rearward. On the other hand, the prize ball tank 16 is in the shape of a horizontally elongated box with the upper side open, and when the front wall portion 23 is overlaid on the rear side of the tank mount portion 21, Positioning recesses 24 are integrally formed at both left and right ends so that the positioning protrusions 22 can be fitted and detached from the front side.

The winning ball tank 16 is positioned with the front wall portion 23 in contact with the tank mounting portion 21 and the positioning protrusion 22 and the positioning recess 24 fitted and positioned. , And is detachably fixed to the back set plate 12 by a pair of upper and lower screws 25 which are inserted through and threaded to the positioning projection 22.

The tank mounting portion 21 of the back set plate 12 and the front wall portion 23 of the prize ball tank 16 are fitted into and removed from the center of the prize ball tank 16 in the left-right direction at a position corresponding to the locking member 11. 26,27
Are formed, and the fitting and removing holes 2 corresponding to the respective engagement protrusions 20 are formed.
Engagement holes 28, 29 are formed on the left and right sides of 6, 27, respectively. The fitting holes 26, 27 are elongated in the left-right direction, the engaging holes 28, 29 on the left are integrally formed on the left end side of the fitting holes 26, 27, and the right engaging holes 28, 29 It is formed so as to be located on the right end side of the front wall portion 23 of the prize ball tank 16.

Of the engagement holes 28, 29, the engagement hole 28 on the tank mounting portion 21 abutting on the front frame 2 is formed in the engagement hole 29 on the front wall portion 23 of the winning ball tank 16 on the rear side. When the back set plate 12 is rotated around the hinge 13 and closed, the engagement projections 20 of the holding frame 4 are fitted into the engagement holes 28 of the back set plate 12 so that the back set plate 12 is closed. The plate 12 side engages with the engagement protrusion 20 from above.

The locking member 11 is integrally provided with a shaft portion 30 and a pair of locking portions 31 that also serve as knobs protruding from both sides of the shaft portion 30, and a front frame 32 is formed by a front and rear shaft 32 penetrating the shaft portion 30. 2 side holding frame
4 and the engagement / disengagement position A where the engagement portion 31 engages / disengages the engagement / disengagement holes 26 and 27 as shown by the phantom line in FIG. The engaging portion 31 is gripped and rotated around the longitudinal axis 32 so as to selectively select the locking position B for locking the back set plate 12 and the prize ball tank 16 in the state of being fitted to 26, 27. Operable.

The bottom wall 33 of the prize ball tank 16 is provided with a prize ball payout means.
The side opposite to 18 is gently inclined so as to be lower, and a drop port 34 is formed at the end. Prize ball rail 17,
The prize ball which has fallen from the fall port 34 of the prize ball tank 16 is guided to the prize ball payout means 18, and as shown in FIGS. Installed. The prize ball tank is located on the bottom wall 35 of the prize ball rail 17.
A sensing member 39 for detecting a broken ball is provided corresponding to the 16 falling ports 34, and the broken ball switch 40 is operated by the sensing member 39. The sensing member 39 is pivotally supported on the back set plate 12 by pins 41 so that the sensing member 39 can swing up and down.
Is urged upward by a counterweight 43 of
Then, when the prize ball runs out, the sensing member 39 rises due to the urging of the counterweight 43, and the ball out switch 40 is turned off.

The prize ball payout means 18 is for paying out a predetermined number of prize balls at the time of winning. In addition, 36 is a winning ball collective cover, 37 is a control board, 38 is its protective cover, and these are mounted on the rear side of the game board 6.

Next, the operation of the above configuration will be described.
Usually, a large number of prize balls are stored in the prize ball tank 16,
The prize balls are sequentially supplied from the drop port 34 of the prize ball tank 16 to the prize ball payout means 18 via the prize ball rail 17. Then, when there is a prize ball payout command, the prize ball payout means 18 operates to pay out a predetermined number of prize balls.

In the winning ball tank 16, the positioning recess 24 is fitted to the positioning projection 22 of the tank mounting portion 21, and the front wall portion 23 is brought into contact with the tank mounting portion 21 of the back set plate 12 from the rear side. In this state, the positioning recess 24 is fastened to the positioning projection 22 by the screw 25 and fixed to the back set plate 12. The locking tool 11 is inserted into fitting holes 26 and 27 formed in the tank mounting portion 21 of the back set plate 12 and the front wall portion 23 of the winning ball tank 16.
Are fitted, and the locking portion 31 of the locking tool 11 is locked in the vertical locking position B.
The tank mounting portion 21 of the back set plate 12 and the front wall portion 23 of the winning ball tank 16 are fastened to the holding frame 4 side of the front frame 2 by the locking portion 31 of the locking tool 11. Stopped.

In this locked state, the shaft 30 of the locking tool 11 is located at the center of the fitting holes 26 and 27, and the tank mounting portion 21 of the back set plate 12 or the front wall 23 of the prize ball tank 16 can be used. And the engagement protrusion 20 that fits into the engagement hole 28 of the tank mounting portion 21 of the back set plate 12 and the tank mounting portion of the back set plate 12
21 is engaged. Therefore, the load of the game balls in the prize ball tank 16 is transferred from the prize ball tank 16 to the holding frame 4 of the front frame 2 via the locking tool 11, the tank mounting portion 21 of the back set plate 12, the engagement protrusion 20, and the like. It is supported, and a large load is not directly applied only to the back set plate 12.

When opening the back set plate 12, the fastening lever
After releasing the fastening with 10, back set plate around hinge 13
Before rotating the locking member 11, about 9 rotations about the front-rear axis 32 of the locking member 11 are performed so that the locking portions 31 are horizontally tilted to the fitting / unlocking position A before the rotation.
By performing a rotation operation by 0 degrees, the locking state of the back set plate 12 and the winning ball tank 16 by the locking tool 11 is released and placed.

That is, as shown in FIG. 3, if the locking portion 31 of the locking tool 11 is kept in the vertical direction, the locking portion 31
Locks the prize ball tank 16 so that the back set plate 12 cannot be opened. Therefore, the locking tool 11 is moved about 90 around the longitudinal axis 32.
The locking portion 31 is horizontally operated by rotating the locking portion 31 degrees. Then, each locking portion 31 can be disengaged from the fitting hole 26, 27 corresponding to the fitting hole 26, 27, so that the back set plate 12 is rotated backward around the hinge 13 Let it. Then, each locking portion 31 of the locking tool 11 is disengaged from the fitting hole 26, 27.
12 can be opened backwards.

Accordingly, the locking member 11 is rotated around the front-rear axis 32 to move the locking portion 31 to the back set plate 12 and the prize ball tank 16.
It is only necessary to match the holes 26 and 27 of the prize ball tank 16 without operating the prize ball tank 16 at all.
Can easily be released, and the back set plate 12 can be easily opened while the game balls in the prize ball tank 16 are kept inserted. When the back set plate 12 is closed, the reverse procedure may be performed.

In the state of being locked by the locking member 11, the back set plate
The tank mounting portion 21 of the 12 and the front wall portion 23 of the prize ball tank 16 overlap in front and back, and this overlapping portion is locked to the holding frame 4 side of the front frame 2 by the locking portion 31 of the locking tool 11. As a result, the strength of the back set plate 12 and the prize ball tank 16 in the locking portion is increased, and the back set plate due to the weight of the game ball in the prize ball tank 16
Damage such as cracking of the prize ball tank 12 and the prize ball tank 16 can be prevented.

The tank mounting portion 21 of the back set plate 12
Unlike the other parts, the abutment comes into contact with the holding frame 4 of the front frame 2 from the rear side, so that the amount of protrusion of the locking tool 11 to the rear can be reduced. For this reason, even when the weight of the game ball in the prize ball tank 16 is supported by the locking device 11, the load on the locking device 11 and the base side thereof can be reduced, and the durability is improved in combination with the above-described effect.

The positioning projection 22 and the positioning recess 24 of the winning ball tank 16 are fitted into the tank mounting portion 21 of the back set plate 12 and fixed by screws 25. The positioning of the prize ball tank 16 relative to the prize ball tank 16 is easy, the positioning accuracy is improved, and the prize ball tank 16 can be easily fixed to the tank mounting portion 21 of the back set plate 12. Further, since the positioning projection 22 and the positioning recess 24 are fitted and the two are fixed with the screw 25, the winning ball tank 16 is mounted on the back set plate 12 via the positioning projection 22 and the positioning recess 24. The load on the screw 25 can be reduced.

At the substantially right and left center portions of the prize ball tank 16, the engaging tools 11 are provided with positioning engaging projections 20 protruding from the holding frame 4 on both sides of the engaging tool 11. Set plate 12
Positioning engagement holes 28,2 formed in the tank mounting portion 21
9, the weight of the prize ball tank 16 can be supported by the engagement holes 28, 29 and the engagement protrusions 20. Therefore, the burden on other parts can be reduced.

Moreover, since the locking tool 11 is located substantially at the center of the prize ball tank 16 on the left and right sides and the engaging projections 20 are provided on both sides of the locking tool 11, the locking tool 11 can be reduced to one. Can be easily done.
In addition, while supporting the weight of the prize ball tank 16 via the locking tool 11, the prize ball tank 16 is attached to the tank mounting portion of the back set plate 12.
21 to support the weight of the prize ball tank 16 through the tank mounting portion 21 side of the back set plate 12 and the pair of engagement projections 20. The support can be performed while appropriately distributing the weight, and the individual support structures can be made simple and small.

Further, the engaging projection 20 is fitted into the engaging holes 28 and 29, and the back set plate 12 is engaged with the engaging projection 20 from the upper side. Despite being on the side, the vertical position of the back set plate 12 on the side opposite to the hinge 3 can be positioned by the engagement protrusion 20. For this reason,
Even when the back set plate 12 is rotated around the hinge 13 and opened with the game ball in the prize ball tank 16, the locking tool 11 operated to the fitting position A is inserted into the fitting hole 26, 27. The back set plate 12 can be easily opened without catching the back set plate 12 on the lock 11.

In the embodiment, the locking tool 11 having the pair of locking portions 31 is used, but the structure of the locking tool 11 can be freely selected. In the embodiment, the engagement protrusion 20
The prize ball tank 16 is fixed to the back set plate 12, but since the prize ball tank 16 is fixed to the back set plate 12, the prize ball tank 16 may be engaged with the engagement projection 20. 12 and prize ball tank
16 and 16 may be engaged. Furthermore, the fixing structure when the prize ball tank 16 is detachably fixed to the back set plate 12,
It is not limited to the embodiment.

[0039]

According to the first aspect of the present invention, the front frame is provided.
2 Attaching the back set plate 12 to the rear side freely to open and close,
In the ball game machine provided with a prize ball tank 16 on the upper rear side of the back set plate 12, a locking tool 11 protruding rearward from the front frame 2 side and having a locking portion 31, a back set plate 12 and a prize Ball tank
16 and fitting holes 26 and 27 which are fitted to and removed from the locking tool 11 when the back set plate 12 is opened and closed. Between an engagement / disengagement position A at which the engagement portion 31 engages with the engagement / disengagement hole 26, 27 and an engagement position B at which the back set plate 12 and the winning ball tank 16 are engaged with the engagement portion 31 engaged with the engagement / disengagement holes 26, 27. The locking device 11 is provided so as to be rotatable around the front-rear axis 32, so simply turning the locking device 11 can easily open and close the back set plate 12 without operating the winning ball tank 16. Can,
Moreover, in the closed state of the back set plate 12, the winning ball tank 16 can be easily and firmly fixed together with the back set plate 12.

According to the second aspect of the present invention, in the first aspect of the present invention, a pair of left and right positioning projections 22 projecting rearward are formed on the tank mounting portion 21 of the back set plate 12. On the prize ball tank 16 side, the front wall portion 23 of the prize ball tank 16
A positioning recess 24 is formed in which the positioning projections 22 are engaged with each other in a state where the positioning projections 22 are engaged with the rear side of the back set plate 12, and screws are inserted into the positioning recesses 24 from behind and screwed into the positioning projections 22. The prize ball tank 16 is fixed to the back set plate 12 so that the back set plate 12 and the prize ball tank accompanying the locking with the lock 11
16 can be prevented, and the prize ball tank 16 can be easily and accurately fixed to the tank mounting portion 21 of the back set plate 12,
Moreover, the load on the screw 25 can be reduced.

According to a third aspect of the present invention, in the first or second aspect, the locking tool 11 is provided so as to correspond to a substantially central portion of the front wall 23 of the winning ball tank 16 in the left-right direction. , Front frame 2
Engagement projections 20 projecting rearward from the side are provided on the left and right sides of the locking tool 11, and the engagement holes 28, 2 engage with the engagement projections 20 from above.
9 is formed on the back set plate 12 and / or the front wall portion 23 of the prize ball tank 16,
Side can be supported and the structure can be simplified, for example, the number of locking tools 11 can be reduced to one.
Can be positioned.

[Brief description of the drawings]

FIG. 1 is a rear view of a prize ball tank mounting portion showing one embodiment of the present invention.

FIG. 2 is a rear cross-sectional view of a prize ball tank mounting portion showing one embodiment of the present invention.

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

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

FIG. 5 is an enlarged sectional view taken along the line ZZ of FIG. 1;

FIG. 6 is an overall perspective view showing one embodiment of the present invention.

FIG. 7 is a perspective view showing an open state of a front frame according to the embodiment of the present invention.

FIG. 8 is a perspective view showing an open state of a back set plate showing one embodiment of the present invention.

[Explanation of symbols]

 2 Front frame 6 Game board 11 Locking device 12 Back set plate 16 Prize ball tank 20 Engagement protrusion 21 Tank mounting part 22 Positioning protrusion 23 Front wall 24 Positioning recess 25 Screw 26,27 Engagement hole 28,29 Engage Hole 31 Locking part 32 Front and rear shaft

Claims (3)

(57) [Claims] 1. A bullet having a back set plate (12) openably and closably mounted on a rear side of a front frame (2) and a prize ball tank (16) provided on an upper rear side of the back set plate (12). Front frame of a ball game machine
(2) A locking tool projecting rearward from the side and having a locking portion (31)
(11), a fitting hole (26) formed in the back set plate (12) and the prize ball tank (16), and fitted to and removed from the locking member (11) when the back set plate (12) is opened and closed. 27), and the locking part (31) is a back set plate
(12) and the insertion / removal position (A) for insertion / removal into the insertion / removal holes (26, 27) of the prize ball tank (16), and the locking portion (31) fits in the insertion / removal holes (26, 27). The locking device (11) can be rotated around the front-rear axis (32) between the back set plate (12) and the locking position (B) for locking the winning ball tank (16) in the combined state. A prize ball tank mounting device for a ball game machine, characterized in that it is provided. 2. A tank mounting portion (21) of a back set plate (12).
A pair of left and right positioning projections (22) projecting rearward are formed on the front wall portion (2) of the prize ball tank (16) on the prize ball tank (16) side.
In the state where 3) is placed on the rear side of the back set plate (12), a positioning recess (24) is formed to engage with each of the positioning protrusions (22), and the positioning recess (24) is inserted from the rear side. Positioning protrusion (22)
2. The prize ball tank mounting device for a ball game machine according to claim 1, wherein the prize ball tank (16) is fixed to the back set plate (12) with a screw screwed into the prize ball tank. 3. A locking member (11) is provided corresponding to a substantially central portion of the front wall portion (23) of the prize ball tank (16) in the left-right direction, and is provided to protrude rearward from the front frame (2) side. Mating protrusions (20) are provided on both left and right sides of the locking tool (11), and an engagement hole that engages with the engagement protrusion (20) from above.
3. The method according to claim 1, wherein the back set plate is formed on the front wall of the winning ball tank.
The prize ball tank mounting device of the ball game machine according to the above.