JP3737867B2 - Pachinko machine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pachinko gaming machine, and in particular, a game board mounting frame is provided on the back surface of the front frame, and a game board is detachably attached to the game board mounting frame from the back surface side, and a mechanism made of synthetic resin on the back surface of the game board The present invention relates to a pachinko gaming machine in which a board is closely attached.
[0002]
[Prior art]
In a conventional pachinko gaming machine, a game board mounting frame is provided on the back side of the front frame, and the game board is detachably attached to the game board mounting frame from the back side, and a ball tank, a pachinko ball payout device, etc. The mechanism board made of synthetic resin with the back parts of the machine is closely attached to the back of the game board, and the game board is pressed and fixed to the game board mounting frame integrally with the mechanism board by the game board fixing member provided on the mechanism board. Was configured to be.
[0003]
The pachinko gaming machine having such a structure is provided with a fixing bracket on the game board mounting frame in order to prevent the game board from falling down when replacing the game board or opening the mechanism plate for repair and inspection of the back parts. The game board is fixed to the game board mounting frame by the mounting and the fixing bracket. For this reason, both the game board fixing member and the fixing metal fitting are required, and the cost is high, and there is a problem that it takes time to attach and detach the game board.
[0004]
Therefore, in order to solve such a problem, the present applicant has already provided a locking portion for temporarily securing the game board so that the game board does not fall over the game board mounting frame, and for fixing the game board to the game board mounting frame. There has been proposed a pachinko gaming machine that eliminates the need for fixing metal fittings and improves the work efficiency by simplifying and simplifying the mounting of the game board (see JP-A-8-71231 by the present applicant).
[0005]
[Problems to be solved by the invention]
However, in the pachinko gaming machine described above, since the ball tank is provided at the upper part of the mechanism plate, it is difficult to attach the game board fixing member to the upper part of the mechanism plate. Due to the weight of the pachinko ball, the upper part of the mechanism plate warps backward or is distorted, causing ball stoppage at the tank rail, etc., that guides the pachinko ball of the ball tank to the pachinko ball dispensing device, which hinders the pachinko ball dispensing operation There was a problem of affecting.
[0006]
The present invention has been made in view of the above-described problems, and the object of the present invention is to facilitate the mounting of the game board and to reliably suppress the warpage and distortion of the upper part of the mechanism plate. The object is to provide a pachinko gaming machine free from drawbacks.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a game board mounting frame on the back side of the front frame, and the game board is detachably attached to the game board mounting frame from the back side. A mechanism board made of synthetic resin with back parts such as a ball tank is attached in close contact, and a plurality of game board fixing members are attached to the mechanism board to press and fix the game board against the game board mounting frame. In the pachinko gaming machine, a top end portion of the gaming board mounting frame is formed in a bifurcated shape to have a pair of left and right elastic pieces, and each elastic piece has a first locking portion and a second locking portion. the locking piece having a part around each provided, the projecting each first locking portion from each elastic piece downwardly, also, each second locking portion is substantially horizontal to the outside of the distal end of each elastic piece projecting from the, game board mounting frame as the recreation board from falling in contact with the first engagement portion on the rear surface of the game board While temporarily fixed, is engaged with the engaging hole bored on the side of the ball tank a rear surface of the upper edge of the second locking portion a mechanism plate while being in close contact mechanism plate on the game board Thus, the warpage of the mechanism plate due to the weight of the sphere stored in the sphere tank is suppressed.
[0008]
In the pachinko gaming machine configured as described above, the game board can be temporarily fixed by the first locking part of the locking piece so as not to fall down on the game board mounting frame, and the mechanism plate by the second locking part. It is possible to suppress the warpage and distortion of the upper part of the game board and to bring it into close contact with the back surface of the game board, and it is possible to reliably eliminate ball stoppage on the tank rail.
[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 back view of a pachinko gaming machine according to an embodiment of the present invention, FIG. 2 is a back perspective view of a state where a mechanism plate is opened, and FIG. 3 is a back perspective view of a state where a game board is removed. In the figure, 1 is a front frame of a pachinko machine, 2 is a game board mounting frame attached to the back side of the front frame 1, 3 is a game board, and 4 is a synthetic resin mechanism plate. In the present embodiment, the front frame 1 and the game board mounting frame 2 are illustrated as being formed separately, but the front frame 1 and the game board mounting frame 2 are integrally formed of synthetic resin. It may be.
[0010]
As shown in FIG. 3, the game board mounting frame 2 includes a lower frame part 2a that supports the lower end of the game board 3 and a U-shaped upper frame part 2b, and is integrally formed of synthetic resin. On the back side of the upper frame portion 2b, there are provided a step portion 7 with which the front peripheral edge of the game board 3 is brought into contact, and a projecting portion 8 for restricting and attaching the game board 3 to the step portion 7. In addition, mounting brackets 9 and 9 of the mechanism plate 4 are fixed to one side of the lower frame portion 2a and the upper frame portion 2b, respectively, and the movable brackets 10 and 10 provided on the mechanism plate 4 are connected to connect the mechanism plate. The plate 4 is mounted so as to be openable and closable.
[0011]
A plurality of flanges 11 as game board fixing members are fixed to the upper frame portion 2b located on the open side of the mechanism plate 4, and the mechanism plate 4 has through holes 12 into which the flanges 11 are inserted. Are respectively drilled. On the other hand, a lever member 13 as a game board fixing member is rotatably provided on the back surface side of the mechanism plate 4, and the lever member 13 is latched in a state where the mechanism plate 4 is in close contact with the back surface of the game board 3. The game board 3 and the mechanism plate 4 are configured to be pressed against and fixed to the game board mounting frame 2 by engaging the hook 13a with the hook piece 11 and rotating the lever member 13.
[0012]
A spherical tank 14 is fixed to the upper part of the back surface of the mechanism plate 4. A tank rail 15 is provided below the ball tank 14 to guide the pachinko balls in an aligned manner. The downstream end of the tank rail 15 is connected to a pachinko ball dispensing device 17 via a curve rail 16. Below the pachinko ball dispensing device 17, there are formed a discharge passage 18 for guiding the discharged pachinko ball to the hitting ball supply tray on the front surface of the front frame 1 and an extra ball discharge passage 19 for guiding the surplus balls of the hit ball supply tray to the lower ball receiving tray. Has been. On the other hand, a winning ball collecting space 20 for collecting winning balls is formed on the front side of the mechanism board 4 opposite to the back of the game board, and a winning ball collecting portion 21 is provided below the winning ball collecting space 21. The winning balls collected in the winning ball collecting unit 21 are guided to the winning ball processing device 22 and discharged one by one.
[0013]
Thus, in the present invention, as shown in FIG. 4, the upper side 2b-1 of the upper frame 2b of the game board mounting frame 2 has a first locking portion 23 and a downward direction having a triangular cross section at a substantially central position. A locking piece 25 having a claw-shaped second locking portion 24 at the front and rear is integrally formed. The first locking portion 23 protrudes downward from the lower end of the locking piece 25 and is provided so as to face the stepped portion 7 of the upper side portion 2 b-1. The first locking portion 23 is vertically contacted with the rear surface of the game board 3 at its front end. The contact surface 23a has a shape. Further, the second locking portion 24 is provided with a locking step portion 24 a extending downward from the lower surface of the locking piece 25, and has a taper from the locking step portion 24 a toward the tip of the locking piece 25. .
[0014]
On the other hand, the mechanism plate 4 is formed with an engagement hole 26 into which the tip of the locking piece 25 is inserted on the lateral side of the ball tank 14 at the upper edge of the rear surface . The locking step portion 24a of the second locking portion 24 is formed so that it protrudes outward from the engagement hole 26 and engages with the back surface of the mechanism plate 4 while being in close contact with the back surface of the mechanism plate 4. Is selected. Reference numerals 27 and 27 denote reinforcing ribs.
[0015]
The present invention is configured as described above, and in order to attach the game board 3 to the game board mounting frame 2, first, the game board 3 is slightly tilted forward while the upper end thereof is connected to the step 7 of the upper side 2b-1. It is made to face in the clearance gap between the 1st latching | locking parts 23 of the stop piece 25. FIG. Next, in this state, the game board 3 is pressed against the game board mounting frame 2 so that the front surface of the game board 3 is brought into contact with the step portion 7 of the game board mounting frame 2. As a result, as shown in FIGS. 5 and 7, the upper end of the game board 3 is locked by the contact surface 23 a of the first locking portion 23 of the locking piece 25 so that it does not fall against the game board mounting frame 2. Temporarily fixed.
[0016]
Further, as shown in FIGS. 6 and 7, the mechanism plate 4 is brought into close contact with the back surface of the game board 3, so that the leading end of the locking piece 25 protrudes outward from the engagement hole 26 of the mechanism plate 4. The locking step portion 24 a of the portion 24 engages with the back surface of the mechanism plate 4. At this time, since the second locking portion 24 of the locking piece 25 has a taper from the locking step portion 24 a toward the tip of the locking piece 25, the tip of the locking piece 25 is engaged with the engagement of the mechanism plate 4. It can be smoothly inserted into the joint hole 26. For this reason, even if an acting force to expand rearward is applied to the mechanism plate 4 due to the weight of the sphere stored in the sphere tank 14, the second locking portion 24 of the locking piece 25 functions as described above. Engagement with the back surface of the board 4 ensures that the contact state with the back surface of the game board 3 is always maintained firmly, and warpage and distortion are reliably suppressed.
[0017]
8 to 10 show another embodiment, in which the locking piece 25a is separated from the game board mounting frame 2 and formed separately. A box-shaped mounting portion 28 is formed at the rear end of the locking piece 25a, and screws 33, 33 are fastened to the game board mounting frame 2 via the mounting portion 28. Other configurations are as described above.
[0018]
By forming the locking piece 25a separately as described above, it becomes easy to form the game board mounting frame 2, and when the locking piece 25a is broken, only the locking piece 25a is replaced. What is necessary is just to replace and the waste which replaces the whole game board mounting frame 2 can be eliminated.
[0019]
11 to 14 show another embodiment of the locking piece 25a. The locking piece 25b is formed with a pair of left and right elastic pieces 30 and 30 by forming a front end portion into a bifurcated shape by a notch groove 29, and each elastic piece 30 and 30 is provided with a first locking portion 31 and a first locking portion. Two locking portions 32 and 32 are provided, respectively. The first locking portions 31, 31 protrude downward from the elastic pieces 30, 30, and the second locking portions 32, 32 are engaging step portions 32 a that engage with the back surface of the mechanism plate 4. 32a is formed in the shape of a substantially horizontal outward claw provided on the outer side of each elastic piece 30,30. Further, the tapered surface from the engaging step portions 32a, 32a toward the tip is widened and reinforced, and is formed so as to be easily picked by a finger, and is effective when releasing the engagement with the mechanism plate 4.
[0020]
Thus, by forming the front end of the locking piece 25b into a bifurcated shape and providing a pair of left and right elastic pieces 30, 30, when the engagement hole 26 is inserted into the engagement hole 26 of the mechanism plate 4, The tapered surfaces of the elastic pieces 30 and 30 are brought into pressure contact with the opening edge and elastically deformed inward as shown by a chain line in FIG. 14 and can be inserted smoothly.
[0021]
【The invention's effect】
As described above, according to the pachinko gaming machine according to the present invention, the locking piece having the first locking portion and the second locking portion is provided on the game board mounting frame, and the first locking portion of the locking piece is provided. Since the game board can be temporarily fixed so as not to fall down on the game board mounting frame, and the occurrence of warpage and distortion of the upper part of the mechanism plate can be surely suppressed by the second locking part, The work efficiency of the game board mounting operation can be remarkably improved, and the ball stoppage and the like in the tank rail provided on the mechanism plate can be surely eliminated, and the operational reliability of the pachinko gaming machine can be remarkably enhanced.
[Brief description of the drawings]
FIG. 1 is a back view of a pachinko gaming machine according to the present invention.
2 is a perspective view showing a state in which a mechanism plate of the pachinko gaming machine of FIG. 1 is opened. FIG.
3 is a perspective view of a state in which the game board is removed from the game board mounting frame of the pachinko gaming machine of FIG. 1. FIG.
FIG. 4 is a perspective view of a main part of a game board mounting frame.
FIG. 5 is a perspective view of a main part in a state in which the game board is mounted on the game board mounting frame.
FIG. 6 is a perspective view of a main part in a state where a mechanism plate is brought into close contact with the back surface of the game board.
7 is a side cross-sectional view of the main part of FIG. 6. FIG.
FIG. 8 is an exploded perspective view of a main part showing another embodiment.
FIG. 9 is a perspective view of a main part of the embodiment of FIG.
10 is a side cross-sectional view of a main part of the embodiment of FIG. 8. FIG.
FIG. 11 is an exploded perspective view of a main part showing still another embodiment.
12 is a perspective view of main parts of the embodiment of FIG.
13 is a side cross-sectional view of the main part of the embodiment of FIG.
14 is a plan cross-sectional view of the main part of the embodiment of FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Front frame 2 Game board mounting frame 2b-1 Upper side part 3 Game board 4 Mechanism board 11 Slice (game board fixing member)
13 Lever (game board fixing member)
14 Ball tanks 23, 31 First locking portions 24, 32 Second locking portions 25, 25a, 25b Locking pieces
26 Engagement hole 30, 30 Elastic piece 33, 33 Screw stop

Claims (1)

Game board mounting frame is provided on the back surface side of the front frame, the game board is detachably mounted from the back side, the back side of the game board is disposed the back parts such as ball tank to the game board attachment frame synthetic resin mechanism plate is mounted in close contact with, and in the pachinko gaming machine game board fixing member is attached a plurality of fixing by pressure contact with the game board on the game board mounting frame on the mechanism plate,
The top side of the game board mounting frame is formed with a bifurcated tip and is provided with a pair of left and right elastic pieces, and each elastic piece has a first locking portion and a second locking portion at the front and rear. Stop pieces are provided, each first locking portion protrudes downward from each elastic piece, and each second locking portion protrudes substantially horizontally outside the tip of each elastic piece, with the recreation board abuts the first engaging portion on the rear surface of the game board is temporarily fixed to the game board mounting frame so as not to fall, the second the mechanism plate while being in close contact with the game board warping of the mechanism plate by spherical weight that is housed in the ball tank by engaging the bored the engagement hole on the side of the ball tank a rear surface of the upper edge of the locking portion the mechanism plate A pachinko machine characterized by deterring the game.

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