JP3717394B2 - Game board mounting structure for pachinko machines - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a game board mounting structure for a pachinko gaming machine, and in particular, presses and fixes a game board and a protective cover detachably attached to the back surface of the game board to a game board mounting frame integrally by a game board fixing member. In this way, the present invention relates to a game board mounting structure for a pachinko gaming machine designed to simplify the manufacturing process.
[0002]
[Prior art]
As is well known, a conventional pachinko gaming machine is provided with a rectangular gaming board mounting frame on the back side of the front frame, and the gaming board mounting frame is mounted on the gaming board mounting frame from the back side. The game board is pressed and fixed to the game board mounting frame by a plurality of game board fixing members provided so as to be rotatable. Specifically, a contact piece made of a metal plate or a hard synthetic resin plate is fixed to the back surface of the game board at a position corresponding to the lock part of the game board fixing member. Is pressed against the upper surface of the abutting piece to firmly press and fix the game board against the game board mounting frame.
[0003]
On the other hand, the backside of the game board is relayed with a passage section that allows the winning balls placed on the front surface of the gaming board or the winning prize opening to flow down, or a wire drawn from the big hit lamp or winning ball detector. Various game parts such as a relay circuit board are arranged, and a protective cover made of synthetic resin is provided so as to cover these various game parts. The protective cover is detachably attached by, for example, fitting cylindrical fitting holes provided at the four corners to fitting protrusions screwed to the back of the game board.
[0004]
[Problems to be solved by the invention]
By the way, the above-mentioned contact piece first cuts a groove substantially equal to the thickness of the contact piece on the back surface of the game board by a router processing machine, and then fits the contact piece into the groove and screws it. It had been. As described above, the conventional game board mounting structure requires a cutting process of the concave groove by the router machine and a screwing work of the contact piece. There was a problem in terms of cost, such as an increase in the number of parts required. In addition, the game board was fixed and the protective cover was attached separately, and the work efficiency was extremely low.
[0005]
[Means for Solving the Problems]
The present invention has been proposed in view of the above, and the invention according to claim 1 is provided on the back side of the front frame body, the game board mounting frame on which the game board is mounted from the rear side, and the game board A plurality of game board fixing members that are rotatably provided at appropriate positions on the mounting frame, and a composition that is detachably attached to the back side of the game board so as to cover various game parts disposed on the back side of the game board A pachinko gaming machine comprising a protective cover made of resin, wherein a contact piece that is in close contact with the back surface of the game board is formed integrally with the protective cover, and the contact piece is a locking portion of the game board fixing member The locking portion is formed on the side edge corresponding to the taper surface so that it can be smoothly and smoothly abutted on the upper surface, and the game board fixing member is rotated while the game board is mounted on the game board mounting frame. the locking portion is pressed against the contact piece upper surface of the protective cover from the tapered surface It is characterized in that so as to press and fix the game board on the game board mounting frame by a.
[0006]
According to the first aspect of the present invention, it is not necessary to provide a groove for fitting the contact piece on the game board or to attach the contact piece to the game board, thereby simplifying the manufacturing process. In addition, the number of parts can be reduced, and the cost can be reduced. In addition, the game board can be fixed and the protective cover can be attached in one behavior.
[0007]
According to the second aspect of the invention, the protective cover is provided with the engaging portion, the game board is provided with the engaged portion, and the engaging portion and the engaged portion are engaged with each other so that the protective cover is attached to the gaming board. The invention according to claim 3 is characterized in that the engaging portion is a protrusion and the engaged portion is a fitting hole.
[0008]
According to this configuration, the protective cover can be easily and reliably held at a predetermined position on the back surface of the game board, and the protective cover can be easily fixed and held by the game board fixing member.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a pachinko gaming machine, FIG. 2 is a back view of the pachinko gaming machine, and FIG. FIG. 4 and FIG. 4 are rear perspective views with the mechanism plate opened. In FIG. 1, a pachinko gaming machine 1 includes an outer frame 2 that is formed into a frame in a vertically long rectangular shape, and a front frame 4 that is attached to one side of the outer frame 2 by a hinge mechanism 3 and 3 so as to be opened and closed. In addition, a glass plate holding frame 5, a front plate 7 having a hitting ball supply tray 6 and a front lower plate 9 having a surplus ball receiving tray 8 are provided on one side of the front surface of the front frame body 4 so as to be freely opened and closed. The front lower plate 9 is provided with an operation handle 10 for launching a hit ball.
[0010]
The front frame 4 is formed of a metal plate such as an iron plate as shown in FIG. 3, and has a substantially square opening 11 at the top. Further, as shown in FIGS. 4 to 6, the left and right side frames 12, 12 and the lower side frame are provided on the back side of the front frame 4 at both the left and right side positions and the lower side position excluding the upper side position of the opening 11. 13, and the left and right side frame bodies 12, 12 and the lower side frame body 13 form a game board mounting frame 14. And it is the game board mounting frame 14, and the game board 15 is attached so that attachment or detachment is possible from the back surface side so that the opening part 11 may be covered. As is well known, a circular guide rail 16 is provided on the surface of the game board 15, and a general winning port 17, a passing start port 18, a variable start port 19, a design are provided in a game area surrounded by the guide rail 16. Board surface components such as the variable display device 20 and the special winning opening 21 are arranged.
[0011]
Further, as shown in FIG. 3, a rail decoration member 22 and a rail deformation preventing member 23 are provided on the front surface of the front frame body 4 so as to cover the outside of the game area of the game board 15. A stamp sticking member 24 as a board component made of synthetic resin is provided at a position outside the game area. Further, a ball striking mechanism 25 and a passage structure 26 are detachably mounted on the front surface of the front frame 4 below the opening 11. Reference numeral 27 denotes a locking mechanism for the front frame body 4 and the glass plate holding frame 5.
[0012]
On the other hand, as shown in FIG. 4 and FIG. 5, on the back surface of the game board 15, the winning balls won in the general winning port 17, the variable starting port 19, and the big winning port 21 provided in the game area of the game board 15, respectively. A passage member 28 that leads downward, a box-shaped cover 29 that covers the rear of the symbol variation display device 20, a drive mechanism 30 for the big winning opening 21, and a relay circuit board 31 that relays the wiring drawn from the big hit lamp and the winning ball detector. Various game parts such as these are disposed, and a protective cover 32 made of synthetic resin is provided so as to cover the whole of these various game parts. As shown in FIGS. 7 and 8, the protective cover 32 includes a base portion 34 to which a board box 33 containing a game control circuit board for controlling pachinko games is attached on the back side thereof, and a box shape of the symbol variation display device 20. A protrusion 35 facing the cover 29 is integrally provided, and an opening 36 is formed on the rear surface of the protrusion 35. The opening 36 is for facilitating replacement work of the relay circuit board 31 and the fuse tube provided in the relay circuit board 31 or inspection work of the connection state of the wiring. A lid member 37 is provided in the opening 36. It is detachable.
[0013]
2, a synthetic resin mechanism plate 38 is provided on one side of the game board mounting frame 14 so as to be detachable and openable via upper and lower hinges 38a, 38a. The mechanism plate 38 is formed in a front U-shape having an opening window 39 that is divided into two parts in the vertical direction and that faces the protective cover 32, and a bowl-shaped winning ball collecting portion 40 is provided below the opening window 39. It has been. A ball tank 41 and a ball guide rod 42 for guiding the balls stored in the ball tank 41 while aligning them downstream are provided above the opening window 39 of the mechanism plate 38. A prize ball payout device 44 is detachably provided via a bending guide rod 43 on the side of the opening window 39 on the downstream side of 42. Also, below the prize ball dispensing device 44, when the prize ball discharge passage 45 for guiding the dispensed prize balls to the hit ball supply tray 6 and the hit ball supply tray 6 are full, the excess balls are used as excess balls. A surplus sphere passage 46, an out sphere passage 47, a sphere extraction passage 48, and the like leading to the tray 8 are provided. Each communicates.
[0014]
By the way, the left and right side frame bodies 12 and 12 constituting the game board mounting frame 14 are respectively provided at two upper and lower positions, as shown in FIG. 9, a front through hole 50 and a rear through hole for mounting the game board fixing member 49. A hole 51 is opened. The front through hole 50 and the rear through hole 51 are formed in a substantially elliptical shape having vertical portions 52, 52 on both sides. On the other hand, the game board fixing member 49 is composed of two members: a cylindrical support 53 made of synthetic resin and a locking member 54 that presses and fixes the game board 15 to the game board mounting frame 14.
[0015]
The cylindrical support 53 is provided with vertical surfaces 52a, 52a at left and right symmetrical positions of the peripheral wall and is formed in an elliptical shape that matches the front through hole 50 and the rear through hole 51, and has a shaft through hole 55 at the center. Is drilled. In addition, the cylindrical support 53 is provided with a pair of locking pieces 57 and 57 having restoring elasticity by long groove-like notches 56 and 56 provided on the vertical surfaces 52a and 52a of the peripheral walls. Locking claws 58, 58 projecting outward are integrally formed on the peripheral surfaces of the tip portions of 57, 57.
[0016]
On the other hand, as shown in FIGS. 9 and 10, the locking member 54 is positioned on the upper surface of the left and right side frames 12, 12 in a superposed manner and can be pressed against the back surface of the game board 15, A pivoting operation unit 60 that is bent at a substantially right angle from the side end of the latching portion 59 is integrally formed, and a shaft 61 that is crimped to the latching portion 59 is attached to the cylindrical support 53. The tip end portion is inserted into the shaft through hole 55 so as to protrude into the hollow of the cylindrical support 53. Then, after the washer 62, 62 and the coil spring 63 are mounted on the shaft 61 in the hollow of the cylindrical support 53, the nut 65, 65 is screwed and fastened to the tip screw portion 64 of the shaft 61, thereby tightening the tube. The support 53 and the locking member 54 are integrated, and the locking member 54 is pressed toward the game board 15 by the elastic force of the coil spring 63.
[0017]
The game board fixing member 49 having such a structure is formed from the front through hole 50 of the game board mounting frame 14 while pressing both the locking pieces 57, 57 of the cylindrical support 53 with a finger and elastically deforming them inward. Push it into the rear through hole 51. When the locking claws 58, 58 of the cylindrical support 53 pass through the rear through-hole 51, the locking pieces 57, 57 are expanded by the elastic restoring force, and as shown in FIG. 58 is locked to the front edge of the rear through hole 51 and can be firmly attached to the game board mounting frame 14 with one touch.
[0018]
On the other hand, as shown in FIGS. 7 and 8, the protective cover 32 is integrally formed with contact pieces 66 at the four corners thereof and in close contact with the back surface of the game board 15. When the locking member 54 of the game board fixing member 49 is rotated to the fixed position (see the solid line in FIG. 11) of the game board 15, the contact portion 66 of the locking member 54 contacts the upper surface of the contact piece 66. The side edge portion corresponding to the locking portion 59 is formed as a tapered surface 66a. In addition, protrusions (dowels) 67 as engaging portions are provided on the back surface side of the protective cover 32 and in the vicinity of the contact pieces 66, and the game board 15 is associated with the protrusions (dowels) 67. A fitting hole (dough hole) 68 is provided as a joint. A hemispherical convex portion 69 is projected on the upper surface of the contact piece 66, and when the locking member 54 of the game board fixing member 49 is rotated to the fixed position, the convex portion 69 is locked. The hemispherical recessed part 70 formed in the locking part 59 of the member 54 is fitted, and the fixed state can be stably maintained.
[0019]
In order to attach the game board 15 to the front frame 4, first, the protrusion (dwell) 67 of the protection cover 32 is fitted into the fitting hole (dough hole) 68 of the game board 15 to attach the protection cover 32 to the game board 15. Attach to the back of the. The fitting position of the protective cover 32 is uniquely determined by the fitting of the protrusion (dough) 67 and the fitting hole (dough hole) 68, and the protective cover 32 is easily and reliably placed at a predetermined position on the back surface of the game board 15. Since the contact piece 66 of the protective cover 32 and the game board fixing member 49 are correctly positioned, the protective cover 32 is held in close contact with the back surface of the game board 15 so that the protective cover 32 does not fall off. Will be. Next, after the gaming board 15 is brought into close contact with the gaming board mounting frame 14, the locking member 54 of the gaming board fixing member 49 is moved from the unlocking position of the gaming board 15 shown by the chain line in FIG. 11 to the fixing position shown by the solid line in FIG. By rotating, the locking portion 59 of the locking member 54 comes into contact with the upper surface of the contact piece 66 of the protective cover 32 to strongly press the game board 15 against the game board mounting frame 14. Accordingly, the game board 15 can be securely and firmly pressed and fixed to the game board mounting frame 14, and the protective cover 32 can be easily fixed and held by the game board fixing member 49. The tapered surface 66 a of the contact piece 66 functions so that the locking portion 59 of the locking member 54 can smoothly and smoothly contact the upper surface of the contact piece 66.
[0020]
【The invention's effect】
As is apparent from the above description, the pachinko gaming machine mounting structure according to the present invention includes a synthetic resin protective cover that is detachably attached to the back side of the gaming board so as to cover various gaming parts. A game piece is formed by forming a contact piece in close contact with the back surface of the game board, and pressing the locking portion of the game board fixing member against the upper surface of the contact piece of the protective cover while the game board is mounted on the game board mounting frame. Since the board is pressed and fixed to the game board mounting frame, a concave groove for fitting the contact piece to the game board is provided as in conventional pachinko gaming machines, or the contact piece is attached to the game board. It is possible to simplify the manufacturing process and eliminate the need for an attaching operation, and to reduce the number of parts, thereby reducing the cost. In addition, the game board can be fixed and the protective cover can be attached in one behavior, and the work efficiency can be improved.
[0021]
Also, since the protective cover is fixed integrally with the game board by the game board fixing member, for example, by covering the game control circuit board (main board) for controlling pachinko games with the protective cover, Since the game control circuit board (main board) cannot be attached or detached unless the game board is removed from the game board mounting frame and the protective cover is removed, illegal gaming due to replacement of the game control circuit board (main board) is surely prevented. You can also.
[Brief description of the drawings]
FIG. 1 is a front view of a pachinko gaming machine to which the present invention is applied.
FIG. 2 is a back view of the pachinko gaming machine shown in FIG.
FIG. 3 is a perspective view showing a state in which a front plate having a glass plate holding frame and a hitting ball supply tray and a front lower plate having an extra ball receiving tray are opened.
FIG. 4 is a rear perspective view of a state in which a mechanism plate is opened.
FIG. 5 is a rear perspective view of the game board with a protective cover removed.
FIG. 6 is a rear perspective view of a state in which the game board is removed from the game board mounting frame.
FIG. 7 is a perspective view of a protective cover.
FIG. 8 is a rear perspective view of the protective cover.
FIG. 9 is a perspective view of a state in which the game board fixing member is removed from the game board mounting frame.
FIG. 10 is a cross-sectional view showing an attached state of the game board fixing member.
FIG. 11 is a front view for explaining the operation of the game board fixing member.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Pachinko machine 4 Front frame 14 Game board mounting frame 15 Game board 32 Protective cover 49 Game board fixing member 59 Locking part 66 Contacting piece
66a Taper surface 67 Projection (engagement part)
68 Fitting hole (engaged part)

Claims (3)

Provided on the back side of the front frame, and the game board mounting frame game board is mounted from the rear, a plurality of the game board fixing member provided rotatably at an appropriate position of the game board mounting frame, wherein A pachinko gaming machine comprising a synthetic resin protective cover detachably attached to the back side of the game board so as to cover various game parts disposed on the back side of the game board,
Forming a contact piece in close contact with the rear surface of the game board to the protective cover integrally, the contact piece engaging portion side edge portion corresponding to the engaging portion of the game board fixing member is in its upper surface it forms a tapered surface that can abut on reasonably smoothly, the protective cover the game board and the locking portion from the tapered surface is rotated the game board fixing member in a state of being mounted on the game board attachment frame game board mounting structure of the pachinko gaming machine, characterized in that the game board and to press fixed to said game board attachment frame by pressure contact of the contact piece top. Provided with an engagement portion on the protective cover, the engaged portion provided on the game board, given the protective cover of the rear surface of the game board by engaging with the engaged portion and the engagement portion 2. A game board mounting structure for a pachinko gaming machine according to claim 1, wherein the game board is mounted at a position. The engaging portion is a protrusion, the game board mounting structure of the pachinko game machine according to claim 2, wherein said engaged portion is a fitting hole.

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