JP2001190807A - Pachinko game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce a product cost and a work cost by obviating a fastening metal fitting for fixing a mechanism plate in close contact to the reverse of a game board. SOLUTION: This pachinko game machine for installing a mechanism plate 4 in a game board installing frame 2 via a hinge tool 5 so as to be freely attachable and openable-closable by arranging the game board installing frame 2 on the reverse side of a front frame 1, is featured in that a hook member 24 having a locking recessed part 26 is arranged on either one of the game board installing frame 2 and the mechanism plate 4, an engaging part 25 is arranged in the other so as to be opposed to the hook member 24, the locking recessed part 26 of the hook member 24 and the engaging part 25 are locked by a downward movement of the mechanism plate 4, and a lock means A is arranged for maintaining a locking state of the hook member 24 and the engaging part 25 by checking an upward movement of the mechanism plate 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko gaming machine, and more particularly, to a pachinko gaming machine in which a mechanism plate having a back mechanism mounted on the back of a game board is easily and simply mounted. .

[0002]

2. Description of the Related Art In a conventional pachinko gaming machine, a game board is detachably mounted on a back side of a front frame via a game board mounting frame, as is well known. On the back of the game board, a mechanical plate made of synthetic resin on which back parts such as a ball tank and a ball dispensing device are disposed is mounted. The mechanism plate is detachably mounted on one side of the game board mounting frame via a hinge member including a hinge member provided with a shaft hole and a hinge member provided with a shaft pin. A fixing member fixed to the frame and a fastening member provided on the mechanism plate are closely fixed to the back surface of the game board.

[0003]

In the conventional pachinko gaming machine having such a structure, the mechanism plate is fixed to the back surface of the game board by the fixing member and the fastening metal, so that the fixing member is fixed. However, there is a problem that the number of parts increases due to the necessity of a fastener and a fastener, resulting in a high product cost and a high operating cost.

Further, since the mechanism plate is merely mounted to be freely opened and closed by inserting a shaft hole of one movable metal fitting into a shaft pin of the other fixed metal fitting from above, for example, a pachinko game machine is manufactured. When pachinko machines are turned sideways or upside down when shipping from or installing in the hall,
The situation where the mechanism plate was easily detached and the back parts were damaged occurred.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to eliminate the need for a fastener for tightly fixing a mechanism plate to the back surface of a game board, thereby reducing product cost and operating costs. It is an object of the present invention to provide a pachinko machine that does not come off when a pachinko game machine is transported or installed in a hall, while reducing costs.

[0006]

To achieve the above object, according to the first aspect of the present invention, a game board mounting frame is provided on a back side of a front frame, and the game board mounting frame is connected to the game board mounting frame via a hinge. In a pachinko gaming machine having a mechanism plate attached and detached and opened and closed freely, a hook member having a locking concave portion is provided on one of the game board mounting frame and the mechanism plate, and the other is formed in a facing shape with the hook member. An engagement portion is provided, and the engagement recess is locked with the engagement concave portion of the hook member by the downward movement of the mechanism plate, and the upward movement of the mechanism plate is prevented to lock the hook member with the engagement portion. A lock means for maintaining the state is provided.

Further, the invention according to claim 2 is characterized in that the locking means locks the locking concave portion and the engaging portion of the hook member.

According to a third aspect of the present invention, in the first or second aspect, the locking means is
An upward movement restricting portion protruding horizontally from the game board mounting frame toward the rear, and a lever member rotatably provided on the mechanism plate, and an action portion integrally provided on the lever member, By rotating the lever member, the lever member comes into pressure contact with the lower surface of the upward movement restricting portion.

According to a fourth aspect of the present invention, in the first or the second aspect of the present invention, the lock means includes:
An upward movement restricting portion horizontally protruded rearward from the game board mounting frame, a knob member rotatably provided on the mechanism plate via a shaft, and a knob member provided integrally with the shaft. And a cam which presses against the lower surface of the upward movement restricting portion by a rotation operation.

Further, according to a fifth aspect of the present invention, in the first or second aspect of the present invention, the lock means includes an upward movement restricting portion projecting horizontally rearward from the game board mounting frame; A lever member rotatably supported by the mechanism plate in the front-rear direction and integrally having a cam pressed against the lower surface of the upward movement restricting portion by a rotation operation.

According to a sixth aspect of the present invention, in the first or the second aspect of the invention, the locking means projects horizontally rearward from the game board mounting frame, and the opening of the mechanism plate. And a locking lever that is rotatably supported by the mechanism plate in the left-right direction and that comes into pressure contact with the lower surface of the upper movement restricting portion by a rotating operation. It is characterized by.

According to a seventh aspect of the present invention, in the first or the second aspect of the present invention, the lock means is provided on the game board mounting frame and projects downward from the through hole of the mechanism plate to the rear side. It comprises an L-shaped piece and a locking device attached to the back side of the mechanism plate. The locking device has a locking shaft provided on a frame body having an open bottom and a lever member movably provided in a vertical direction. The lever member is provided with an engaging portion that engages the L-shaped piece from below and an engaging concave portion that engages with the locking shaft portion.

According to an eighth aspect of the present invention, in the invention of the fourth aspect, a downward piece is provided at a tip of the upward movement restricting portion to contact a rear surface of the cam and prevent the mechanism plate from floating. It is characterized by:

According to a ninth aspect of the present invention, in the first aspect of the present invention, the hook member and the locking means provided on one of the game board mounting frame and the mechanism plate are formed by gas injection molding. It is characterized in that it is integrally molded by:

[0015] The invention according to claim 10 is the first invention.
In the invention as set forth in any one of (8) to (8), the hook member and the lock means provided on one of the game board mounting frame and the mechanism plate are integrally formed by sandwich molding.

According to the first aspect of the present invention, the mechanism plate is closed and the hook member provided on the game board mounting frame and the engaging portion of the mechanism plate are engaged with each other, so that the mechanism plate is attached to the back of the game board. In addition to the above, it is possible to reduce the product cost and the working cost by eliminating the need for fixing brackets and fastening brackets.

According to the second aspect of the present invention, the hook member and the engaging portion of the mechanism plate can be engaged by a simple operation.

According to a third aspect of the present invention, the mechanism plate is unnecessarily disengaged by a simple operation by firmly maintaining the hook state of the game board mounting frame and the engagement hole of the mechanism plate. It is possible to avoid that.

Further, according to the invention described in claim 8, it is possible to surely keep the mechanism plate in close contact with the back surface of the game board.

According to a ninth aspect of the present invention, a gas channel is formed in a hook member to which a load is constantly applied, an engagement hole, and an upper movement regulating portion of a lock means for maintaining a locked state, so that the above-mentioned portion is hollow. As the resin density increases,
The rigidity per amount of resin used can be increased while reducing the weight.

According to the tenth aspect of the present invention, a gate port is provided in the vicinity of the hook member, the engaging hole, and the upper movement restricting portion of the locking means for maintaining the locked state so that the holding pressure of the core material can be sufficiently transmitted. By doing so, the resin density can be increased by using the holding pressure of the core material to reinforce the resin.

Further, the front frame and the mechanism plate are formed by punching a metal plate such as an iron or zinc alloy or by a bending process, or
A load is applied by die casting or injection molding (Chicksaw molding method) using a light metal such as an aluminum alloy or a magnesium alloy. It may be formed integrally to provide a product with excellent strength.

[0023]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a rear view of a pachinko gaming machine according to one embodiment of the present invention, and FIG. 2 is a rear perspective view of the pachinko game machine with a mechanism plate opened. In the figure, 1 is a front frame of a pachinko gaming machine, 2 is a game board mounting frame fixed to the back side of the front frame 1, 3 is a game board detachably mounted on the game board mounting frame 2, 4 is a game board 3 is a mechanism plate made of a synthetic resin, which is detachably mounted on the back surface of the device 3 via upper and lower hinges 5 and 5 so as to be freely opened and closed. As shown in FIG. 2, the game board mounting frame 2 includes a lower frame 2a for supporting a lower end of the game board 3, and a lower frame 2a.
And an upper frame portion 2b formed in a gate shape above both side portions thereof are integrally formed of a synthetic resin. Also, a winning ball set cover 6 is fixed to the back of the game board 3,
A box-shaped cover 7 surrounding the rear surface of the variable display device disposed on the front of the game board 3 and a board box 8 containing a circuit board for controlling the game are mounted on the back side.

On the other hand, the mechanism plate 4 has a prize ball set space having a depth width slightly larger than the diameter of the pachinko ball formed on the front side opposite to the back side of the game board 3, and substantially at the center of the prize ball set space. An opening window 9 slightly smaller than the winning ball collecting cover 6 is opened. Then, the box-shaped cover 7 and the substrate box 8 are projected rearward from the opening window 9. A storage ball tank 10 is fixed to the rear side of the mechanism plate 4 and above the opening window 9. Below the storage ball tank 10, a ball guide rail 11 for guiding the pachinko balls stored in the storage ball tank 10 while aligning them downstream is provided, and the downstream end of the ball guide rail 11 is a bent rail. It is connected to a ball payout device 13 through 12. A discharge passage 14 that guides the discharged pachinko balls to the hitting ball supply tray on the front surface of the front frame 1 is provided below the ball discharging device 13.
Surplus ball path 1 that guides surplus balls in the ball feed tray to the lower ball tray
5 are provided. Further, a trough-shaped winning ball collecting section 16 is provided below the winning ball collecting space, and the winning balls collected in the winning ball collecting section 16 are collected by the winning ball processing device 1.
7 to be discharged one by one to the outside of the machine.

As shown in FIGS. 4 and 5, the hinge members 5 and 5 are fixed hinge members 19 fixed to the game board mounting frame 2 by screws 18 and 18, and screws 20 and 2 are fixed to the mechanism plate 4.
0, and the mechanism plate 4 is attached to the game board by inserting the shaft pin 22 of the movable hinge member 21 into the shaft hole 23 of the fixed hinge member 19 from above. It can be attached to and detached from the frame 2 and can be freely opened and closed. In this embodiment, the front frame 1 and the game board mounting frame 2 are illustrated as being formed separately from each other, but the front frame 1 and the game board mounting frame 2 are integrally formed of synthetic resin. It may be something.

According to the present invention, as shown in FIGS. 2 and 3, substantially the center of the lower frame 2a of the game board mounting frame 2, the substantially center of the upper side of the upper frame 2b, and the upper frame 2
A hook member 24 is provided at an upper and lower position on the left side of b. On the other hand, each hook member 24 is attached to the mechanism plate 4.
Accordingly, a vertically long engaging hole 25 is formed as an engaging portion. As shown in FIG. 6, the hook member 24 has an upward hook-like shape having a groove-shaped locking concave portion 26, and a guide portion 27 having a gentle inclination angle toward the locking concave portion 26 is formed on the front surface thereof. Have been. Further, the inside of the locking recess 26 has a taper 28 from the upper end downward so that the engagement with the engagement hole 25 can be easily and reliably performed. Further, the hook member 24 is provided such that its lateral width becomes narrower from the base portion to the tip end so that the hook member 24 can be smoothly inserted into the engagement hole 25. The width of the hooking recess 24 in the front-rear direction of the locking recess 26 is set substantially equal to the thickness of the mechanism plate 4 so that the mechanism plate 4 is in close contact with the back surface of the game board 3. In addition, the engaging portion is connected to the engaging hole 25.
However, a long groove having an open bottom may be used.

Further, in order to prevent the mechanism plate 4 from unnecessarily moving upward and coming off the hook member 24, the locking state between the hook member 24 and the engaging hole 25 is securely maintained. Locking means A is provided. The lock means A is, as shown in FIG. 3, an upper frame portion 2b of the game board mounting frame 2.
A horizontal upward movement restricting portion 30 protruding rearward and a lever member 32 rotatably provided via a shaft 31 protruding from a side surface of the mechanism plate 4. The lever member 32 has a substantially L-shape having an operation portion 33 and an action portion 34 that is in pressure contact with the lower surface of the upward movement restricting portion 30 via a shaft support portion. Reference numeral 30a denotes a step formed on the lower surface of the upward movement restricting portion 30, which restricts the rotation of the lever member 32 and locks the action portion 34.

According to the pachinko gaming machine constructed as described above, when the mechanism plate 4 which can be freely opened and closed is closed, the upper edge of the engaging hole 25 becomes the hook member of the game board mounting frame 2 as shown in FIG. When the mechanism plate 4 is further pressed toward the game board 3 in this state, the upper edge of the engaging hole 25 moves upward along the guide portion 27 as shown by a chain line in FIG. The plate 4 is lifted. Then, when the mechanism plate 4 is further closed, the upper edge of the engagement hole 25 is disengaged from the upper end of the hook member 24 as shown in FIG. In this state, as shown by the chain line in FIG.
When the lever member 32 is rotated, the operating portion 34 contacts the lower surface of the upward movement restricting portion 30 as shown in FIG. 9. When the lever member 32 is further rotated, the operating portion 34 causes the lower surface of the upward movement restricting portion 30 to move. The mechanism plate 4 is pulled down by the pressing portion, and the upper edge of the engaging hole 25 is locked by the locking concave portion 26 of the hook member 24, thereby engaging with the hook member 24. The locked state with the mating hole 25 can be firmly maintained, and the mechanism plate 4 is tightly fixed to the back surface of the game board 3. Therefore, even when the pachinko gaming machine is turned sideways or upside down, the situation where the mechanism plate 4 comes off can be eliminated. Further, the hook member 2 is provided by the locking means A.
4 can be forcibly engaged with the engagement hole 25, so that the operation of the engagement can be omitted and the operation can be facilitated.

When opening the mechanism plate 4 tightly fixed to the back surface of the game board 3, the lever member 32 is first rotated to release the press-contact state between the upward movement restricting portion 30 and the action portion 34.
Next, as shown in FIG. 8, the mechanism plate 4 is lifted upward,
By releasing the locked state between the hook member 24 and the engagement hole 25, the mechanism plate 4 can be easily opened. In the present embodiment, the lock means A is described as being provided at one position on the open side of the mechanism plate 4. However, the present invention is not limited to this, and a plurality of lock means A may be provided on the pivot side of the mechanism plate 4. .

FIGS. 10 to 12 show the lock means A1 of the second embodiment. The lock means A1 of the second embodiment is, as shown in FIG. A horizontal upward movement restricting portion 35 protruding rearward at upper positions on both sides of the rear surface thereof; and a knob member 37 rotatably provided on the rear surface side of the mechanism plate 4 via a shaft 36. 11 and an egg-shaped cam 38 integrally provided with the shaft 36 protruding from the front side of the mechanism plate 4.
By rotating the knob 37 with the mechanism plate 4 attached to the back surface of the game board 3 as shown in FIG.
Presses the lower surface of the upward movement restricting portion 35, whereby the mechanism plate 4 is pulled downward, and as shown in FIG.
By pressing the upper surface 8 against the lower surface of the upward movement restricting portion 35, the locked state between the hook member 24 and the engagement hole 25 can be firmly maintained.

As shown in FIG. 10, a downward piece 39 that is bent downward at a right angle is integrally formed at the tip of the upward movement restricting portion 35, as shown in FIG. By the rotation of the cam 38, the rear surface of the cam 38 and the downwardly directed piece 39 come into contact with each other, so that the mechanism plate 4 is prevented from floating from the rear surface of the game board 3. by this,
The mechanism plate 4 is further firmly adhered and fixed to the back surface of the game board 3.

FIGS. 13 to 15 show the lock means A2 of the third embodiment. The lock means A2 of the third embodiment is, as shown in FIG. 2a, an upward movement restricting portion 40 provided substantially at the upper center position of the rear surface, a lever member 41 provided on the rear surface side of the mechanism plate 4 and provided rotatably in the front-rear direction,
It has an egg-shaped cam 43 provided on the front side of the mechanism plate 4 and integrally with the shaft 42 of the lever member 41, and moves the lever member 41 forward (counterclockwise) as shown in FIG. ), The cam 43 is moved upward.
15 and presses the hook member 24 into engagement with the engaging hole 25 while firmly maintaining the locked state.
As shown in the figure, move the lever member 41 backward (clockwise).
By rotating the mechanism plate 4, the press-contact state between the upward movement restricting portion 40 and the cam 43 is released, and the mechanism plate 4 is lifted upward to release the engagement state between the hook member 24 and the engagement hole 25, whereby the mechanism is released. The plate 4 can be opened.

FIGS. 16 to 18 show a lock means A3 of the fourth embodiment. The lock means A3 of the fourth embodiment is, as shown in FIG. An upper movement restricting portion 44 provided at a substantially central position of the upper movement restricting portion 44 and a locking lever 46 provided rotatably in the left-right direction on the back surface side of the mechanism plate 4 via the longitudinal axis 45. Further, an opening 47 is formed in a portion of the mechanism plate 4 corresponding to the upward movement restricting portion 44 so as to project the upward movement restricting portion 44 rearward.

In the case of the fourth embodiment, as shown in FIGS. 17 and 18, the locking lever 46 is rotated while the mechanism plate 4 is in close contact with the back surface of the game board 3, and the upper surface thereof is turned up. The state of engagement between the hook member 24 and the engagement hole 25 can be firmly maintained by being pressed against the lower surface of the movement restricting portion 44. A downward locking claw 48 is provided at the tip of the upward movement restricting portion 44, and the locking lever 46, which is in pressure contact with the lower surface of the upward movement restricting portion 44, rotates unnecessarily to move upward. The movement restricting section 44 cannot be separated from the movement restricting section 44. Further, the front and rear edges of the upper surface of the locking lever 46 are chamfered round surfaces, and the lower end of the downward locking claw 48 is formed on a tapered surface 48a that is inclined inward and downward. The lever 46 can be smoothly pressed against the lower surface of the upward movement restricting portion 44.

FIGS. 19 to 21 show the lock means A4 of the fifth embodiment. The lock means A4 of the fifth embodiment is, as shown in FIG. 2a, which has a downwardly directed L-shaped piece 49 provided substantially at the upper center position of the rear surface thereof and a locking tool 50 detachably attached to the rear surface side of the mechanism plate 4 to correspond to the L-shaped piece 49. An opening 51 for projecting the L-shaped piece 49 rearward is formed in the portion of the mechanism plate 4 to be opened, and a bag-shaped fitting portion 52 and an engagement receiving portion 5 are formed at upper and lower positions of the opening 51.
3 are provided.

As shown in FIG. 20, the locking member 50 includes a box-shaped frame 54 made of synthetic resin and a lever member 55, and guides formed on the left and right side walls 56, 56 of the frame 54. The guide pin 5 of the lever member 55 is inserted into the long holes 57, 57.
8 and 58, the lever member 55 is
It is attached to the inside of 4 so as to be vertically movable.
In addition, a projecting piece 5 is provided outside the upper and lower portions of the frame 54.
An elastic engagement piece 60 bent substantially in a U-shape with the projection 9 is integrally provided, and a projecting piece 59 is inserted into the fitting portion 52 of the mechanism plate 4 from above as shown in FIG. The engaging tool 50 can be attached to the mechanism plate 4 by engaging with the engagement receiving portion 53. In addition,
The bottom of the frame 54 is opened to communicate with the opening 51 of the mechanism plate 4. A locking shaft 61 is provided between the left and right side walls 56, 56 of the frame 54.
The lower end of 57 is formed with support portions 62, 62 which are narrow interval portions.

On the other hand, the lever member 55 has an upper end portion formed as an engaging portion 63 having an arcuate cross-section, and a lower semi-circular engaging concave portion 64 formed on the lower surface of the rear end. An operation section 65 protruding upward from 54 is formed integrally.

In the case of the fifth embodiment, as shown in FIG. 21, the mechanism plate 4 is in close contact with the back surface of the game board 3,
After the lever member 55 is moved up and the engaging portion 63 is pressed into engagement with the L-shaped piece 49, the engaging concave portion 64 is fitted to the engaging shaft portion 61 to fix and hold the lever member 55.
The hook member 24 and the engaging hole 25 are engaged with each other, and the locked state thereof can be securely maintained. Then, the engagement between the engagement shaft 63 and the L-shaped piece 49 is released by releasing the engagement between the engagement shaft 61 and the engagement recess 64 and moving the lever member 55 downward. Is lifted upward to disengage the hook member 24 from the engagement hole 25 so that the mechanism plate 4 can be opened.

In the above-described embodiment, the hook member 24 is protruded from the game board mounting frame 2 and the engagement hole 25 is formed in the mechanism plate 4.
However, as shown in FIGS. 22 and 23, a hook member 24a is protruded from the mechanism plate 4, and an engagement hole 25 for engaging the hook member 24a with the game board mounting frame 2.
a may be provided.

In the above description, the hook member 24 has been described as being formed integrally with the game board mounting frame 2.
As shown in FIG. 24, the hook member 24b and the game board mounting frame 2
May be formed separately. In this case, the hook member 24b may be attached to the front frame 1 with screws or the like while the hook member 24b is fitted into the hollow portion 66 of the game board attachment frame 2 from the back side. .

Although the front frame and the mechanism plate are made of synthetic resin in the above-described embodiment, it is desirable to adopt various manufacturing methods or molding techniques in order to improve added value. Explanation will be given based on technology.

First, the molding of the front frame and the mechanism plate by gas injection molding will be described with reference to FIGS. As is well known, gas injection molding is a method of injecting a high-pressure nitrogen gas subsequent to injecting a thermoplastic synthetic resin into a mold cavity,
On the front frame 1 side, the hook member 24 to which the load of the mechanism plate 4 is always applied, and the upward movement restricting portions 30, 35, 40, and 44 for maintaining the hook member 24 and the engagement hole 25 in the locked state, and the gas channel in the vicinity thereof. It is preferred to form G,
As for the hook member 24, a gas channel G is preferably provided on the back surface side of the hook member 24 as shown in FIG. As described above, by forming the gas channel G, the above-described portion becomes hollow, and the resin density increases,
The rigidity per amount of resin used can be increased while reducing the weight. In addition, sinking and warpage can be prevented by the injected gas, and rattling with the mechanism plate 4 can be prevented. Similarly, it is desirable to form gas channels in the engagement holes 25 on the mechanism plate 4 side, the shaft 31 of the lever member 32 and the shaft support frame of the cam 38 shown in FIGS. 28 and 29. In addition, the gas inlet is connected to the hook member 24 or the upward movement regulating portion 3.
It is preferable that the gas is provided in the vicinity of 0, 35, 40, and 44 to reliably guide the gas and increase the accuracy. In addition, the gas channels are provided not only at the above-mentioned portions but also along the outermost periphery of the front frame 1 and the game board mounting frame in the case of the front frame 1 as shown in FIG. By doing so, the weight can be reduced and the surface rigidity can be improved. Similarly, the mechanism plate 4 is provided along the outermost periphery of the mechanism plate 4 and the center opening window 9 as shown in FIG. And the surface rigidity can be improved.

Next, a description will be given of sandwich molding in which a core material such as a recycled material is enclosed inside with a virgin material and integrally molded. A gate port is provided in the vicinity of the hook member 24 and the upward movement restricting portions 30, 35, 40, and 44 for maintaining the hook member 24 and the engagement hole 25 in a locked state so that the holding pressure of the core material is sufficiently transmitted. Preferably, the resin density can be increased by using the holding pressure of the core material to reinforce the resin. Further, by providing the resin flow channel similarly to the gas channel G, the holding pressure of the core material can be sufficiently transmitted and the sink can be suppressed, so that the front frame 1 and the mechanism plate 4 can be prevented from rattling. The gate port is preferably arranged in a well-balanced manner so that the resin filling time of the entire molded article is equal. However, it is desirable to provide the gate port near a place where strength and dimensional accuracy are required, such as a handle mounting portion.

Further, since the front frame 1 has a wide area where the hitting ball supply tray and the lower ball receiving tray are located below the game board mounting frame, the whole area is provided so that a large amount of recycled material can be injected into the wide area. It is desirable to provide a thicker portion or to provide a reinforcing rib. By providing a thicker portion, solidification of the portion is delayed, the flow resistance of the resin is reduced, the flow of the recycled material is supported, and variations in the product can be suppressed. .
It is effective to provide a fan gate below the opening for mounting the game board during the molding. Further, the mixing ratio of the recycled material is preferably about 30% in order to improve the appearance of the product and the resin characteristics. In addition, by adopting the above molding method, it is possible to recycle the ABS and PC resin used in the pachinko gaming machine as a core material having required characteristics by re-pelletizing, which has been a problem in recent years. The problem of disposal of pachinko gaming machines can be solved.

Although the method of forming the front frame 1 and the mechanism plate 4 using a synthetic resin has been described above, the front frame 1 and the mechanism plate 4 may be formed by cutting a metal plate such as an iron or zinc alloy by punching or bending, or A load is applied by die-casting or injection molding (chicksaw molding method) using a light metal such as an aluminum alloy or a magnesium alloy, and the hook member 24 or the hook member 24 and the engaging hole 25 which require strength.
Movement restricting portions 30, 35, 40,
44 may be integrally formed to provide a product having excellent strength.

Further, the upward movement restricting portions 30 and 3 for maintaining the hook member 24 and the locking state of the hook member 24 and the engaging hole 25 are maintained.
In addition to 5, 40, and 44, the front frame and the hinge of the mechanism plate, the base of the firing rail and the firing handle, etc., which were conventionally attached to the synthetic resin molded product from the viewpoint of strength, can be integrally cast. it can. Naturally, the use of metal makes it conductive, so it is also effective against noise that may cause malfunction of various control boards, and the electrical drive source such as a ball dispensing device is in contact with a metal mechanism plate. In this case, since the thermal conductivity is high, a heat radiation effect is obtained, and a decrease in performance due to an increase in the temperature of the apparatus can be prevented, thereby enabling stable dispensing.

To make recycling more efficient,
Thermoplastic resin used for pachinko machines is made into chips, and other fine particles of thermosetting resin such as wood powder, rubber, wiring and phenolic resin are mixed and melted. A material that has been melted and gelled using a mixing and melting machine that mixes and melts a plurality of different materials may be put into a predetermined mold and pressed.

[0048]

As is apparent from the above description, according to the present invention, the game board mounting frame is provided on the back side of the front frame,
In a pachinko gaming machine in which a mechanism plate is detachably and removably mounted on the game board mounting frame via a hinge, a hook member is provided on the game board mounting frame, and an engaging portion corresponding to the hook member is provided on the mechanism plate. Is provided so that the mechanism plate can be tightly fixed to the back surface of the game board by engaging the hook member and the engaging portion by closing the mechanism plate. No metal fittings or the like are required, and product costs and work costs can be reduced.

[Brief description of the drawings]

FIG. 1 is a rear view of a pachinko gaming machine according to the present invention.

FIG. 2 is a perspective view of the pachinko gaming machine of FIG. 1 in a state where a mechanism plate is opened.

FIG. 3 is a perspective view of a main part of a game board mounting frame and a mechanism plate.

FIG. 4 is a perspective view of a pivot portion of the mechanism plate.

FIG. 5 is an exploded perspective view of FIG. 4;

FIG. 6 is a perspective view of a hook member.

FIG. 7 is a side sectional view of a main part for explaining an engagement state between a hook member and an engagement hole.

FIG. 8 is a side cross-sectional view of a main part in a state where the mechanism plate is in close contact with the back surface of the game board.

FIG. 9 is a side cross-sectional view of a main part in a state where the mechanism plate is tightly fixed to the back surface of the game board.

FIG. 10 is a perspective view of a lock unit A1 according to the second embodiment.

FIG. 11 is a side sectional view of a main part in a state where the mechanism plate is in close contact with the back surface of the game board.

FIG. 12 is a side sectional view of a main part in a state where a mechanism plate is locked.

FIG. 13 is a perspective view of a lock unit A2 according to the third embodiment.

FIG. 14 is a side sectional view of a main part in a state where a mechanism plate is locked by a locking means A2.

FIG. 15 is a side sectional view of a main part in a state where the lock of the mechanism plate by the lock unit A2 is released.

FIG. 16 is a perspective view of a lock unit A3 according to the fourth embodiment.

FIG. 17 is a perspective view showing a lock state of a lock unit A3 according to the fourth embodiment.

FIG. 18 is a side sectional view of a main part showing a locked state of a lock unit A3 according to a fourth embodiment.

FIG. 19 is an exploded perspective view of a lock unit A4 according to the fifth embodiment.

FIG. 20 is an exploded perspective view of a locking device according to a fifth embodiment.

FIG. 21 is a side sectional view of a main part showing a locked state of a lock unit A4 according to a fifth embodiment.

FIG. 22 is a main part perspective view showing another embodiment.

FIG. 23 is a side sectional view of a main part of another embodiment.

FIG. 24 is a sectional view of a main part of another embodiment in which a hook member is separate from a game board mounting frame.

FIG. 25 is a perspective view of a pachinko gaming machine with a mechanism plate opened, specifically showing resin molding.

26 is a perspective view of a main part of a game board mounting frame and a mechanism plate of FIG. 25.

FIG. 27 is a perspective view of a hook member of FIG. 25;

FIG. 28 is a perspective view of a lock unit A1 part.

FIG. 29 is a side cross-sectional view of a main part in a state where the mechanism plate is in close contact with the back surface of the game board.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front frame 2 Game board mounting frame 3 Game board 4 Mechanism board 5 Hinge tool 24 Hook member 25 Engagement hole (engagement part) 26 Locking concave part 30, 35, 40, 44 Upward movement regulation part 32 Lever member 34 Working part 36 Shaft 37 Picking member 38 Cam 39 Downward piece 41 Lever member 42 Horizontal axis 43 Cam part 45 Vertical axis 46 Locking lever 47 Opening 49 L-shaped piece 50 Press-fitting tool 51 Opening hole 54 Frame 55 Lever member 61 Locking member 63 engaging part 64 engaging concave part A, A1, A2, A3, A4 Locking means

Claims (10)

[Claims] 1. A pachinko game machine comprising: a game board mounting frame provided on a back side of a front frame; and a mechanism board attached to the game board mounting frame via a hinge so as to be detachable and openable. A hook member having a locking concave portion is provided on one of the mounting frame and the mechanism plate, and an engaging portion is provided on the other side so as to face the hook member. A pachinko game machine comprising: locking means for locking the engaging portion and the engaging portion, and preventing upward movement of the mechanism plate to maintain a locked state between the hook member and the engaging portion. 2. The pachinko game machine according to claim 1, wherein said locking means locks said locking recess of said hook member and said engaging portion. 3. The locking means comprises an upward movement restricting portion protruding horizontally from the game board mounting frame toward the rear, and a lever member rotatably provided on a mechanism plate. The pachinko gaming machine according to claim 1 or 2, wherein the action portion integrally provided on the pachinko machine is pressed against the lower surface of the upward movement restricting portion by a rotation operation of the lever member. 4. The lock means includes an upward movement restricting portion protruding rearward from a game board mounting frame horizontally, a knob member rotatably provided on a mechanism plate via a shaft, and 3. The pachinko game machine according to claim 1, further comprising a cam provided integrally with the shaft and pressed against a lower surface of the upward movement restricting portion by a rotating operation of the knob member. 5. The lock means is vertically supported by a mechanism plate so as to be rotatable in the front-rear direction, and is vertically rotatable by a mechanism plate. The pachinko gaming machine according to claim 1 or 2, further comprising a lever member integrally having a cam pressed against the lower surface of the upward movement restricting portion. 6. The lock means is horizontally projected from the game board mounting frame toward the rear, and is configured to move upward and downward from the opening of the mechanism plate. The pachinko gaming machine according to claim 1 or 2, further comprising a locking lever rotatably supported and pressed against a lower surface of the upward movement restricting portion by a rotation operation. 7. The locking means comprises a downward L-shaped piece provided on the game board mounting frame and protruding from the through hole of the mechanism plate to the back side, and a locking member attached to the back side of the mechanism plate. In the locking device, a locking shaft portion is provided on a frame body having an open bottom, and a lever member is provided so as to be movable in a vertical direction, and the lever member is engaged with the L-shaped piece from below. The pachinko gaming machine according to claim 1, wherein the pachinko gaming machine is provided with a mating portion and an engaging concave portion that engages with the locking shaft portion. 8. The pachinko gaming machine according to claim 4, wherein a downward piece is provided at a tip of said upward movement restricting portion to contact a rear surface of the cam and prevent the mechanical plate from floating. 9. The pachinko machine according to claim 1, wherein the hook member and the locking means provided on one of the game board mounting frame and the mechanism plate are integrally formed by gas injection molding. Machine. 10. A hook member and a lock means provided on one of the game board mounting frame and the mechanism plate are integrally formed by sandwich molding.
A pachinko machine according to any one of claims 1 to 8.