JPH10328385A - Control substrate housing case for game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it unable to open the housing case without remaining a trace, and make a re-sealing possible. SOLUTION: By fastening boss parts 16a-16d and flange parts 17a-17d which form pairs by using a fastening screw 21 equipped with an operating head part which can be screwed in the tightening direction only, a sealing of this control substrate housing case 1 is performed, and the control substrate housing case 1 is prevented from being opened unless the sealed part is broken. Also, a plurality of pairs of the boss parts 16a-16d and the flange parts 17a-17d which form a pairs, are provided, and each pair of the boss parts 16a-16d and the flange parts 17a-17d is fastened in order, and by this method, a specified number of sealings become possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control board storage case for a game machine such as a pachinko machine and a slot machine.

[0002]

2. Description of the Related Art In game machines such as pachinko machines and slot machines, game control contents such as a jackpot occurrence probability are written in a ROM provided on a control board. The game control contents are set so as to comply with legal regulations, and the game control contents of the authorized gaming machine cannot be changed without permission. However, since the content of the game control can be easily changed by exchanging the ROM, an illegal act of changing the content of the game control by opening the case containing the control board and exchanging the ROM is performed.

Conventionally, in order to prevent such misconduct,
The boundary between the case main body constituting the storage case for the control board and the lid attached to the case main body is sealed with a seal. When the seal is peeled, the printed content is separated into the seal base material and the storage case side and a trace of the peeling is left, thereby preventing the storage case from being opened and preventing improper operation. Met.

[0004]

However, there has been known a method of easily peeling off the above-mentioned sealing seal using a special solvent without leaving a trace. With such a sealing seal, it is possible to reliably open the storage case. Can not be prevented,
Actually, the game control contents are still being changed illegally by replacing the ROM.

SUMMARY OF THE INVENTION The present invention has been made in view of such a conventional situation, and has been attempted to improve the situation. The present invention relates to a gaming machine which cannot open a storage case without leaving a trace and can be resealed. It is an object to provide a control board storage case.

[0006]

According to the present invention, there is provided a control board storage case comprising a case body in which a control board is housed, and a lid for shielding an opening of the case body. A plurality of bosses provided with mounting holes are provided on one side edge and one side edge of the lid corresponding to the one side edge, and the other side forms a pair with each boss portion, A plurality of flange portions are provided for locking the heads of the screws screwed into the mounting holes, and each of the pair of bosses and the flange portion is provided by a fastening screw having an operation head that can be screwed only in the tightening direction. The control board storage case is characterized in that sealing is performed a predetermined number of times by sequentially fastening the control board.

Here, as the fastening screw, a one-way screw having an operation head capable of being screwed only in the tightening direction and having a male screw formed on the body is proposed.

In this configuration, the closed state of the lid is maintained and the storage case is sealed by fastening the pair of bosses and the flange with the fastening screws. Once tightened, the fastening screw cannot be screwed in the loosening direction, so that the storage case cannot be opened by removing the fastening screw. Therefore, if the storage case is unavoidably opened for inspection or the like, the sealed portion must be destroyed, thereby leaving a trace of opening. Further, the sealing can be performed again by fastening the other pair of bosses and the flange with fastening screws. This allows a predetermined number of seals corresponding to the number of bosses and flanges forming a pair.

In the control board storage case having the above-described structure, a storage portion which can be taken out only when the lid is opened and which stores a spare screw of a fastening screw required for resealing can be provided. Further, in this configuration, the boss portion is formed with a storage portion having an entrance and exit through which a spare screw can enter and exit from a surface facing the flange portion, and at the time of sealing, the entrance and exit are closed with the flange portion. Can be proposed as a preferred embodiment.

[0010] By storing the spare screw of the fastening screw in the housing having such a configuration, the use time is uncertain and the spare of the fastening screw which is a special screw can always be secured. Also, at the time of sealing the storage case, by closing the entrance and exit of the storage part with the flange part, it can be prevented from falling off, and if the storage case is opened,
The entrance and exit are opened at the same time, making it easy to visually recognize the existence of the spare screw, and can be taken out from the opened entrance and used immediately.

Further, in the above structure, each of the flange portions is supported by a pair of rib pieces protruding laterally at predetermined intervals from side edges of the case body or the lid, and both side edges are supported by the both rib pieces. It is possible to propose a configuration in which a locking screw is inserted to lock the head thereof to lock the head, and the sealing is released by cutting the rib pieces.

In each of the flange portions having such a configuration, the sealing portion can be easily broken by cutting the two rib pieces with an appropriate tool such as a nipper.

Further, in the above construction, the flange portion is provided with a guide hole which is substantially equal to the outer diameter of the operation head of the fastening screw and which can guide the operation head in the screwing direction. On the other hand, a support hole is formed in the mounting hole of the boss portion, into which the body of the fastening screw inserted through the insertion hole is substantially fitted. A configuration in which the operation head is provided so as to be immersed in the guide hole can be proposed as a preferred embodiment.

In such a configuration, when the pair of bosses and the flange are fastened to each other by the fastening screw, the body of the fastening screw having the flange hole inserted through the support hole of the boss is substantially formed. By tightly fitting, the fastening screw is positioned at an appropriate position without swinging, and is held in a temporarily fixed state. Here, the one-way screw as a fastening screw is such that the tip of the driver is easily detached from the operating head during the screwing operation. By being immersed in the portion, the tip of the driver is already located in the guide hole at the time of starting the screwing operation, and the tip of the driver does not come off the operation head by the guide hole. Further, since the operating head is guided in the screwing direction by the guide hole, the body of the fastening screw fitted and positioned in the support hole is easily screwed into the mounting hole following the support hole. be able to.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS.
Will be described. In the drawings, reference numeral 1 denotes a control board storage case according to the present invention.
Is disposed at the back of the pachinko machine or at a predetermined position inside the slot machine. The control board storage case 1 includes a case body 2 having a rectangular housing shape with an upper opening, and a lid 4 that shields an upper opening 3 of the case body 2. The case main body 2 and the lid 4 are provided with hinge portions 5a, 5b, 5a, provided at two locations on one side edge along the longitudinal direction, respectively.
By pivotally connecting 5b, the lid 4 can be opened and closed in a one-sided manner with the pivot portion as a fulcrum.

A control board 6 is accommodated in the case body 2. The control board 6 includes a printed wiring board 7 and electronic components 8 such as a CPU, a ROM, and a RAM disposed on an upper surface of the printed circuit board 7. Game control contents such as a big hit occurrence probability are written in the ROM. The bottom plate 9 of the case body 2 is opened substantially all over except for the peripheral edge, and the opening 10 is shielded by a transparent plate 11. The transparent plate 11 is fixed to each of the fixing projections 12 formed at the four corners of the bottom plate 9 at the corresponding four corners, and together with the control board 6 superimposed thereon. Screw is fixed to the projection 12. Thereby, the control board 6
And the soldered back surface 7 ′ of the printed wiring board 7 constituting the control board 6 is visible from the bottom side of the case body 2. Furthermore, the case body 2
Is formed of a carbon-containing synthetic resin having conductivity, so that the control substrate 6 can be protected by preventing static electricity from being charged.

On the other hand, the lid 4 is formed of a transparent synthetic resin so that the electronic components 8 of the control board 6 housed in the case main body 2 can be viewed from above. Further, a transparent plate 13 having a conductive net surface 13 'on the lower surface is laminated on the back surface of the lid 4, so that the control board 6 can be protected from static electricity by the conductive net surface 13'. ing. The lid 4 has a longitudinal width substantially equal to the longitudinal width of the case body 2, a lateral width smaller than the lateral width of the case body 2, and further lowers the opposing edges of the hinges 5 b, 5 b. The side plate portion 4 'is formed by bending in an L shape toward the side plate portion. Thus, when the lid 4 is closed, as shown in FIGS. 7 and 8, a gap 14 is formed between the side plate 4 ′ and the side plate of the case body 2 opposed to the side plate 4 ′. Various connectors (not shown) for connecting the board 6 to an external circuit can be arranged in the gap 14 on the control board 6.

A plurality of boss portions 16a to 16a each having a mounting hole 15 are provided on two opposite side edges of the case body 2 in the longitudinal direction.
16d are arranged at predetermined intervals along the width direction.
In this embodiment, four bosses 16a to 16d are provided on the two side edges of the case body 2, respectively.
It is not limited to this number. Also, this boss 1
Reference numerals 6a to 16d are arranged at positions symmetrical to each other at two side edges of the case body 2.

A plurality of flange portions 17a are formed on the two side edges of the cover 4 corresponding to the two side edges of the case body 2 provided with the boss portions 16a to 16d, respectively, so as to form a pair with the boss portions 16a to 16d. To 17d are provided respectively. Each of the flange portions 17a to 17d has a pair of rib pieces 18, 18 protruding laterally from the side edge of the lid 4 at a predetermined interval as shown in an enlarged view in FIG. And a locking piece 19 whose both side edges are supported, and a screw insertion hole 20 is formed in the locking piece 19.

Then, as shown in FIG.
A fastening screw 21 to be described later is inserted from above into the head 22.
The male screw of the body portion 23 of the fastening screw 21 can be screwed into the mounting hole 15 of each of the boss portions 16a to 16d in a state in which is locked to the locking piece 19. Thereby, a pair of flange portions 17a to 17d and boss portions 16a to 1
6d can be fastened individually.

The fastening screw 21 has an operation head 22 that can be screwed only in the tightening direction, and is a so-called one-way screw having a male screw formed on the body 23, as shown in FIG. A pair of ridges located on both sides of a driver engagement groove 22a formed in the operation head 22 with a general screw includes a ridge 22b with which a driver comes into contact during a screwing operation in a tightening direction, and a loosening direction. This is a special screw from which the crest that the driver abuts during the screwing operation is removed, and once tightened in the mounting hole 15, the screwing operation in the loosening direction cannot be performed and the screw cannot be removed. For this reason, it is generally expected that it is very difficult to obtain.

Therefore, each of the boss portions 16a to 16d has
From the surface facing the flange portions 17a to 17d,
A storage section 25 having an inlet / outlet 24 through which 1 ′ can enter and exit is formed, and spare screws 21 ′ are stored in the storage section 25 one by one. The entrance 24 of each storage section 25 is shown in FIG.
As shown in the figure, the flanges 17a to 17d are closed at the time of sealing, and the stored spare screws 21 'are stored.
To prevent falling off. Although FIG. 5 shows two screws, a fastening screw 21 and a spare screw 21 ′, when the pair of bosses 16 a to 16 d and the flanges 17 a to 17 d are fastened with the fastening screw 21, Since the spare screw 21 'stored in the portion 25 cannot be taken out, any one screw appears during actual use.

Next, the method of use and operation will be described. To seal the control board storage case 1, the fastening screw 2 made of one-way screw is inserted into the insertion hole 20 of the locking piece 19 from above the flange portion 17 a with the lid 4 closed.
1 and the male screw of the body portion 23 of the fastening screw 21 is attached to the mounting hole 1 of the boss portion 16a forming a pair with the flange portion 17a.
5 is screwed in a tightening manner by screwing in through a tightening operation in the tightening direction. As a result, the flange portion 17a and the boss portion 16a are fastened, the closed state of the lid 4 is maintained, and the control board storage case 1 is sealed.

Here, the pair of flange portions 17a, 17a and the boss portions 16a, 16a provided at symmetrical positions on the two side edges of the control board storage case 1 are simultaneously fastened, so that the control board storage case 1 is fastened. Fastening is performed at two opposing positions of the case 1, and the sealing can be made more secure. Note that a conventional sealing seal may be further attached to the boundary between the case main body 2 and the lid 4 of the control board storage case 1 thus sealed.

Once tightened, the fastening screw 21 cannot be screwed in the loosening direction, so that the control board storage case 1 cannot be opened by removing the fastening screw 21.
Therefore, if the control board storage case 1 is unavoidably opened during inspection or the like, the sealed portion must be broken. The breakage of the sealing portion can be easily performed by cutting the rib pieces 18, 18 of the flange portion 17 a with an appropriate tool such as a nipper, and separating the locking piece 19 from the lid 4 together with the fastening screw 21. Then, the detached locking piece 19 remains in the boss portion 16a while being fastened by the fastening screw 21, leaving a trace of opening.

To seal again, another pair of the flange portion 17b and the boss portion 16b are connected to the fastening screw 21 in the same manner as described above.
Can be carried out by fastening. Also, when the package is opened again, the rib piece 1 of the flange portion 17b is similarly opened.
It can be carried out by cutting 8, 18 with an appropriate tool such as a nipper. By repeating this operation sequentially, sealing and unsealing can be performed a predetermined number of times corresponding to the number of the bosses 16a to 16d and the flanges 17a to 17d forming a pair.

In the second and subsequent seals, the boss 16
A spare screw 21 'is used as the fastening screw 21 stored in each of the storage portions 25 of b to 16d. By storing the spare screw 21 'in the storage portion 25 of the bosses 16b to 16d in this way, the use time is uncertain and the spare of the fastening screw 21 which is a special screw is always secured. Can be. Each spare screw 21 ′ is connected to the control board storage case 1.
At the time of sealing, the entrances and exits 24 of each storage part 25 are closed by the flanges 17b to 17d, respectively, so that the entrances and exits do not occur. When the lid 4 is opened, the entrances and exits 24 are simultaneously opened, and Can be easily visually recognized, and can be immediately taken out from the opened entrance 24 and used.

In the above embodiment, a pair of bosses 1
6a to 16d and flange portions 17a to 17d are respectively disposed on two opposite side edges in the longitudinal direction of the control board storage case 1, and two sealing boss portions 16a to 1
6d and the flanges 17a to 17d are used for fastening, but the sealing method is not limited to this, and the bosses 16a to 16d and the flanges 17a to 17d on one side edge are connected to each other. Sealing is possible even if only one pair is fastened for each seal. Also, the lid 4
A pair of bosses 16a to 16d and flanges 17a to 17
It is also possible to arrange and seal d.

In the above embodiment, the bosses 16a to 16d are provided on the case body 2 side, and the flange 1 is provided on the lid 4 side.
Although 7a to 17d are provided, the arrangement position can be reversed.

In the above embodiment, all the bosses 16
The storage portions 25 of the spare screws 21 'are formed in each of the bosses 1a to 16d.
6a does not require the storage portion 25 for the spare screw 21 ', so that the storage portion 25 is replaced by the boss portions 16b to 16b other than the boss portion 16a.
16d may be formed only.

Further, the storage portion 25 of the spare screw 21 '
Other than the bosses 16a to 16d, it can be arranged at any place of the control board storage case 1, but in this case,
It is desirable that the auxiliary screw 21 ′ can be taken out only when the control board storage case 1 is opened. For this reason, as shown in FIG. 9, a configuration may be proposed in which a storage portion 25 is provided on the inner wall surface of the side plate portion of the case body 2, and the entrance / exit 24 of the spare screw 21 ′ is closed by the lid 4. Thereby, at the time of sealing, the entrance / exit 24 is sealed by the lid 4 and the fall-off or loss of the spare screw 21 ′ stored in the storage section 25 is prevented. 21 'can be taken out. The storage unit 2
5 may store a spare member of a conventional sealing seal and related members used at the time of sealing an inspection sheet and the like together with the spare screw 21 '.

On the other hand, a fastening screw 2 made of one way
1 is that the tip of the driver is easily detached from the driver engagement groove 22a of the operation head 22 during the screwing operation in the tightening direction, as compared with a general screw. FIGS. 10 and 11 show other configurations of the boss portions 16a to 16d and the flange portions 17a to 17d which can cope with this. The locking pieces 19 of the flange portions 17a to 17d have , Insertion hole 20
A guide hole 20 ′ having a predetermined depth substantially equal to the outer diameter of the operation head 22 of the fastening screw 21 and capable of guiding the operation head 22 in the screwing direction, A support hole 15 ′ is formed above the mounting holes 15 of the bosses 16 a to 16 d, into which the body 23 of the fastening screw 21, which is inserted through the insertion hole 20, is fitted substantially closely. . The depth of the support hole 15 ′ is set to a depth at which the operation head 22 of the fastening screw 21 enters the guide hole 20 ′ when the body 23 of the fastening screw 21 is fitted. .

In this structure, when the pair of bosses 16a to 16d and the flanges 17a to 17d are sequentially fastened by the fastening screws 21, as shown in FIG. 10, the support holes of the bosses 16a to 16d are provided. The body portion 23 of the fastening screw 21 having the insertion holes 20 of the flange portions 17a to 17d inserted into the portion 15 'in a substantially close fitting manner, so that the fastening screw 21 does not swing and the mounting hole 15 Is positioned at an appropriate position on the upper part of the device, and is held in a temporarily fixed state.
In addition, the fastening screw 21 in the temporarily fixed state as described above has the operating head 22 immersed in the guide hole portion 20 ′ of the flange portions 17a to 17d. The tip of the driver engaged with the engagement groove 22a is located in the guide hole 20 ', and the guide hole 20' prevents the driver tip from coming off the operation head 22.

Then, by performing a screwing operation in the tightening direction in this state, the operating head 22 is guided in the screwing direction by the guide hole 20 ', and is fitted and positioned in the support hole 15'. As shown in FIG. 11, the body portion 23 of the fastening screw 21 is attached to the mounting hole 15
Can be easily screwed on. As a result, the fastening screw 21 made of one-way screw, whose tip easily comes off from the driver engaging groove 22a of the operation head 22, can be easily screwed in the tightening direction, and the boss portion 16a
To 16d and the flange portions 17a to 17d can be fastened.

[0035]

As described above, according to the present invention, a pair of bosses and a flange are fastened by using a fastening screw having an operating head that can be screwed only in the tightening direction. Since the board storage case was sealed so that it could not be opened unless the sealed part was destroyed, the control board storage case could not be opened without leaving any trace. Fraud can be reliably prevented. Also, when the control board storage case is opened for a legitimate reason such as inspection under the jurisdiction, a plurality of pairs of bosses and flanges are provided, so that the other pair of bosses and flanges Resealing is possible by fastening with fastening screws. This makes it possible to perform sealing a predetermined number of times corresponding to the number of bosses and flanges forming a pair.

Also, since the control board storage case is provided with a storage portion for storing the spare screw of the fastening screw necessary for resealing, which can be taken out only when the lid is opened, the use time is uncertain and special. A spare screw of a fastening screw, which is a suitable screw, can always be secured. Here, in the boss portion,
A boss portion, which is a place of use, can be provided by forming a storage portion having an entrance and exit through which a spare screw can be inserted and removed from a surface facing the flange portion and providing the entrance and exit with the flange portion at the time of sealing. The spare screw can be arranged at a position close to the mounting hole. When the storage case is sealed, the entrance and exit of the storage portion are closed by the flange portion, thereby preventing the storage case from dropping out. When the storage case is opened, the entrance and exit are simultaneously opened, and the presence of the spare screw is provided. It is easy to visually recognize, and can be taken out from the opened entrance and used immediately.

Further, each of the flange portions is provided with a pair of rib pieces protruding laterally at a predetermined interval, and both side edges supported by the two rib pieces, and a fastening screw is inserted to lock the head thereof. It is configured so that the seal is released by cutting both rib pieces, so that by breaking both rib pieces with a suitable tool such as a nipper, it is easy to break the sealed part. It can be carried out.

Further, an insertion hole having a guide hole which is substantially equal to the outer diameter of the operation head of the fastening screw and which can guide the operation head in the screwing direction is formed in the flange.
Forming a support hole into which the body of the fastening screw, which is inserted through the insertion hole, is fitted into the mounting hole of the boss portion in a substantially close fit;
In the fitted state, the operation head of the fastening screw is inserted into the guide hole, so that the tip of the driver can be prevented from coming off from the driver engagement groove of the operation head. There is an excellent effect that the screw can be easily screwed in the tightening direction.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a case main body and a lid constituting a control board storage case according to the present invention are separated.

FIG. 2 is a plan view of a case main body.

FIG. 3 is a longitudinal sectional view of a control board storage case.

FIG. 4 is an enlarged perspective view of a flange portion.

FIG. 5 is an enlarged sectional view of a main part in FIG. 3;

FIG. 6 is a perspective view of a fastening screw.

FIG. 7 is a plan view of a control board storage case.

FIG. 8 is a side view of the control board storage case.

FIG. 9 is a partially enlarged cross-sectional view of a control board storage case showing another configuration of a storage section for a spare screw.

FIG. 10 is an enlarged sectional view of a main part showing another configuration of the boss and the flange.

FIG. 11 is an enlarged sectional view of a fastening state in FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control board storage case 2 Case main body 3 Opening part 4 Lid 6 Control board 15 Mounting hole 15 'Support hole part 16a-16d Boss part 17a-17d Flange part 18 Rib piece 19 Locking piece 20' Guide hole part 21 Fastening screw 21 'spare screw 22 operation head 23 torso 24 entrance / exit 25 storage

Claims (5)

[Claims] 1. A control board storage case comprising: a case main body in which a control board is stored; and a lid for shielding an opening of the case main body, wherein at least one side edge of the case main body; A plurality of bosses provided with mounting holes are provided on one of the side edges of the lid corresponding to the side edges, and the other screw is paired with each boss portion and screwed into the mounting hole. By providing a plurality of flange portions for locking the head of the, by sequentially fastening each of the pair of bosses and the flange portion by a fastening screw having an operation head that can be screwed only in the tightening direction, A control board storage case for a gaming machine, wherein a predetermined number of times of sealing are enabled. 2. The gaming machine control according to claim 1, further comprising a storage portion that can be taken out only when the lid is opened, and that stores a spare screw of a fastening screw necessary for resealing. Board storage case. 3. A storage section having an entrance and exit through which a spare screw can enter and exit from the surface facing the flange section is formed in the boss section, and the entrance section is closed by the flange section at the time of sealing. A control board storage case for a gaming machine according to claim 1 or 2, wherein 4. A pair of ribs protruding laterally from the side edge of the case body or the cover at a predetermined interval from the side edge of the case body or the lid, and both side edges are supported by the two ribs, and a fastening screw is inserted. 2. A control board storage device for a gaming machine according to claim 1, wherein the seal is released by cutting the rib pieces together with a locking piece for locking the head. Case. 5. An insertion hole having a guide hole which is substantially equal to the outer diameter of the operation head of the fastening screw and which can guide the operation head in the screwing direction, is formed in the flange. A support hole is formed in the mounting hole of the boss, into which the body of the fastening screw inserted through the insertion hole is fitted in a substantially tight fit. In the fitted state, the operating head of the fastening screw is moved by the guide head. 2. The control board storage case for a gaming machine according to claim 1, wherein the control board storage case is immersed in the hole.