JP5592985B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine, and more particularly to an improvement of a pachinko gaming machine provided with a variable winning device that operates when a specific condition is satisfied.

A pachinko gaming machine equipped with a movable panel surface part called a variable winning device (electric Chu) is conventionally known. The electric Chu is composed of a pair of blades (opening and closing pieces) that are rotated by using a solenoid as a drive source, and when a game ball wins a predetermined start winning opening, the solenoid is operated to turn the pair of blades once or two. By opening and closing about several times, a game ball flowing down the game board surface is captured and guided into a winning opening (lower starting opening) of the variable winning device.
A variable winning device called an attacker (large winning device) is a structure that opens and closes a winning opening by rotating a single door in the front-rear direction by a solenoid. A door opening and closing structure is disclosed.
By the way, the present applicant has tried to apply a single door opening / closing structure in an attacker instead of a pair of conventional blades in order to develop a variable winning device having a new structure instead of an electric chew.

FIGS. 13A, 13B and 13C are explanatory views showing the support structure of the lower shaft support portion of the door member in the conventional example, and FIGS. 14A and 14B are the solenoid and the drive transmission mechanism in the conventional example. It is a side view which shows the closed state and open state of a door member.
The variable winning device 100 is rotatably supported by a lower shaft support portion 110a so as to open and close a winning opening 102 formed in the front surface of a base member mounted in a mounting hole formed in a game board (not shown). The door member 110, the solenoid 120 supported by the base member behind the winning opening 102, and the drive transmission member 130 that transmits the driving force from the solenoid 120 to the door member 110 are roughly provided.
The door member 110 has a configuration in which an actuated piece 111 protrudes behind the lower part thereof.
The solenoid 120 includes a solenoid main body 121 fixed by the base member 101, a plunger 122 provided with a flange portion 122a at the tip, supported so as to be able to protrude and retract from the solenoid main body, and a coil spring 123 that urges the plunger in the protruding direction. It is equipped with. The drive transmission member 130 includes a shaft support portion 131a that is pivotally supported by the base member 101 so as to be rotatable in the front-rear direction, and a lever 131 that includes bifurcated branch portions 131b and 131c at the lower portion. And an action member 132a which is bifurcated so as to protrude from the front and sandwich the front and rear surfaces of the flange portion 122a of the plunger.

  When the door member transitions from the closed state shown in FIG. 14A to the fully open state shown in FIG. 14B, the lever 111 of the door member is restricted from rotating forward by the stopper 140. The fully open position of the door member is defined by contact with the front portion 131b, but when the operated piece 111 collides with the lever front portion 131b that is prevented from moving forward by the stopper 140, the operated piece immediately stops. The bounce is repeated with the lever front until the momentum generated by the acceleration at the time of opening the door is reduced (see FIGS. 13A, 13B, and 13C). For this reason, the door member integrated with the piece to be actuated cannot be immediately stopped at the fully open position, and has been stopped at the fully open position after repeated bouncing as indicated by the arrows. In this way, if the door member cannot be stopped at the timing of retracting the plunger accompanying energization of the solenoid, the game ball flowing down in accordance with the timing at which the door member opens the winning opening cannot enter the ball, There is a risk that the reliability will be lowered and the player will feel frustrated and unfair.

JP 2008-307103 A JP 2009-11660 A

As described above, if the door member cannot be immediately stopped at the fully opened position, the game ball that has flowed down at the timing when the door member opens the winning opening cannot enter, so the reliability of the device is reduced. May cause the player to feel frustrated and unfair.
The present invention has been made in view of the above, and in a variable winning device including a single door member that opens and closes in the front-rear direction as a solenoid drive source, the door member can be fully opened without complicating the configuration. The object is to provide a gaming machine that is stationary.

  In order to achieve the above object, a gaming machine according to a first aspect of the present invention includes a door member that opens and closes by pivotally supporting a lower shaft support portion through a shaft hole, and closes the door member when not energized. A solenoid that opens the door member when energized while being held in position, and a drive transmission member that opens and closes the door member by rotating by a retracting operation of a plunger that protrudes and retracts by the solenoid. The hole pivotally supports the lower shaft support portion of the door member, and the lower shaft support portion moves in the shaft hole in the front-rear direction when the door member in the closed position rotates in the opening direction. The door member includes a door main body that opens and closes around the lower shaft support portion provided at a lower portion between an open position and a closed position, and an actuating projecting from a lower portion of the door main body. With a piece And when the plunger is sunk by energization of the solenoid, the lower shaft support part is configured to open, and when the door member moves from the closed position to the open position, The lower shaft support part is displaced in the shaft hole in the front-rear direction around the contact position with the drive transmission member.

  According to the present invention, in the variable winning device including a single door member that opens and closes in the front-rear direction as a solenoid drive source, the door member can be stopped at the fully open position without complicating the configuration.

1 is an overall front view of a pachinko gaming machine as an example of a gaming machine according to an embodiment of the present invention. It is an enlarged view of the game board part of the pachinko gaming machine of FIG. It is a front side perspective view which shows the state which assembled | attached the variable winning apparatus of this invention to the game board. It is a disassembled perspective view of a variable winning device. It is a disassembled perspective view of a part of variable prize-winning apparatus. (A) And (b) is a perspective view which shows the structure of a solenoid, a drive mechanism, and a door member, and operation | movement. (A) thru | or (d) is a side view which shows the opening / closing operation of the door member by a solenoid and a drive mechanism. (A), (b) and (c) are perspective views showing the configuration and operation of a solenoid, a drive mechanism, and a door member, a side view of a main part when the door is closed, and a side view of a main part when the door is opened. (A) (b) And (c) is a figure explaining the countermeasure for the bounce prevention of the door member which concerns on other embodiment of this invention. (A) And (b) is a front perspective view which shows the state by which the lower shaft support part of a door member is supported in the shaft hole. (A) And (b) is a front side perspective view which shows the pivotal support structure of the door member by a rear part base member, and a perspective view which shows the structure of the back part of a front decoration. It is a figure for demonstrating the principle of a bounce prevention in case a lower shaft support part is contacting the rear-end part of a shaft hole at the time of a door closing. (A) (b) And (c) is explanatory drawing which shows the support structure of the lower shaft support part of the door member in a prior art example, and the principle of bounce generation | occurrence | production. (A) And (b) is a side view which shows the closed state and open state of a solenoid, a drive transmission mechanism, and a door member in a prior art example.

Hereinafter, the present invention will be described in detail with reference to embodiments shown in the drawings.
FIG. 1 is an overall front view of a pachinko gaming machine as an example of a gaming machine according to an embodiment of the present invention, and FIG. 2 is an enlarged view of a gaming board portion of the pachinko gaming machine of FIG.
A glass frame 2 supporting a glass plate is attached to the front side of the game board 1 so as to be openable and closable. Also, at the lower part of the game board 1, there are provided a tray part 3 for storing game balls and a launch lever 4 for launching game balls in the tray part. Further, a button switch for gaming machine, a purchase button for game balls, and a purchase cancel button (none of which are shown) are provided on the upper surface of the tray portion 3.
On the back side of the game board 1, a synthetic resin mechanism board (none of which is shown), which is assembled with back parts related to the progress and production of the game, such as a liquid crystal screen, main control board and sub-control board, can be freely opened and closed. Has been. Around the game area 1a of the game board 1, an outer rail R1 that guides a game ball launched from the launch device by operating the launch lever 4 to the upper part of the game area 1a, or guides to the out port 10, and An inner rail R2 is provided.

A center member 5 having an opening at the center is disposed at a substantially central portion of the game board 1. A symbol display device 6 is arranged inside the center member 5. The symbol display device 6 is constituted by a liquid crystal display panel such as a liquid crystal display device, for example, and displays a special symbol image (not shown) in a normal operation state. In the so-called special game state, an effect image indicating the special game state is displayed. In this example, two open / close pieces 7, which are shaped like a mask, are disposed in front of the symbol display device 6 so as to be openable / closable in the horizontal direction.
A variable winning device 11 for variably displaying the special symbol of the symbol display device 6 is provided below the center of the center member 5. On the left side of the symbol display device 6 is provided a gate 12 for operating the normal symbol displayed on the normal symbol display device 16. Also, on the right side of the variable winning device 11, there is provided a big winning device (variable winning device) 13 having an open / close door 13a that is opened in a big hit state which is one of the special gaming states.
The variable winning device 11 is means for variably displaying the symbol display device 6 and includes a winning opening (lower starting port) 21 and a single door member 30 for opening and closing the winning opening.
The game board 1 is provided with a normal winning port 14, an out port 10, and the like, and a windmill 15 and a number of game nails (not shown) are provided so as to project. The game nail slows down the falling speed of the game ball and changes the falling direction in a complicated manner to enhance the interest in game progression.

The normal symbol displayed on the normal symbol display device 16 can variably display one or a plurality of symbols, and the symbol is a random number on condition that the gate 12 as a normal symbol start port detects a game ball. It is variable and stopped for a predetermined time by control or the like.
The special symbol displayed on the symbol display device 6 is configured to be in a big hit state when the stop symbol is a predetermined symbol combination, for example, the same symbol combination. The special symbol has a predetermined variation pattern such that the display is scrolled by random number control or the like on the condition that the game ball is detected at the lower start port 21 where the game ball is guided by the opening operation of the door member of the variable winning device 11. It fluctuates (variable) for a predetermined time and stops at the symbol. At that time, when two stop symbols become the same on the active line, a reach state occurs, and in this reach state, the last stop symbol on the active line is already stopped. A jackpot condition occurs when they are the same. In addition, as a special symbol, a numerical symbol, an alphabet symbol, a character symbol, etc. can be used.

Next, FIG. 3 is a front perspective view showing a state in which the variable winning device of the present invention is assembled to the game board, FIG. 4 is an exploded perspective view of the variable winning device, and FIG. 5 is a part of the variable winning device. 6 (a) and 6 (b) are perspective views showing the configuration and operation of the solenoid, the drive mechanism, and the door member, and FIGS. 7 (a) to 7 (d) are the solenoid and the drive mechanism. FIGS. 8A, 8B, and 8C are perspective views showing configurations and operations of a solenoid, a drive mechanism, and a door member, and side views of main parts when the door is closed. It is a figure and the principal part side view at the time of door opening.
The variable winning device 11 is incorporated in a state of penetrating through a mounting hole formed in the game board 1.
The variable winning device 11 has a winning opening (lower starting opening) 21 on the front surface, and is disposed at the front unit (first unit) 20 disposed at the front of the game board and at the rear of the front unit 20 ( The lower shaft support portion 32 is pivotally supported by the rear unit (second unit) 50 mounted with the drive mechanism 60 that is adjacently disposed) and drives the door member 30 and the shaft hole 55 provided in the lower portion of the winning opening 21. And a door member 30 that opens and closes the winning opening 21 by opening and closing in the direction.

The front unit (first unit) 20 has a plunger fitting with a rear surface opened through a lower hollow portion 22 having a winning opening 21 on a front surface and a partition wall 23 which is an upper wall of the lower hollow portion 22. And a front base member (first base member) 40 that includes the upper hollow portion 25 for use and that pivotally supports the lower shaft support portion 32 of the door member 30. The winning opening 21 is formed by assembling the front decoration 42 on the front side of the lower hollow portion 22 of the front base member 40. On the rear side of the front base member 40, a ball detection sensor 43 that detects a game ball that has entered the winning opening 21 is disposed. Further, a decorative member 45 is appropriately assembled on the front surface of the front base member 40.
The door member 30 is configured to open for a predetermined time when the normal symbol of the normal symbol display device 16 stops in a predetermined manner.
An upper start opening 26 is disposed above the winning opening 21 as the lower start opening, and a one-unit variable variable winning device in which the lower start opening 21 and the upper start opening 26 are arranged in one unit. It is composed.

The upper start opening 26 generates a right to variably display a first special symbol on a first special symbol display (not shown) when a game ball is won. In addition, the winning opening 21 generates a right to variably display a second special symbol on a second special symbol display (not shown) when a game ball wins. For this reason, a first start port switch for detecting the entrance of a game ball is provided inside the upper start port 26, and a second start port switch for detecting the entrance of a game ball is provided inside the winning port 21. A (entrance detection sensor 43) is provided.
The door member 30 includes a door body 31 having a shape sufficient to prevent a game ball from entering the winning opening 21 when closed, lower pivot support portions 32 provided on both sides of the lower portion of the door body, And an actuated piece 33 disposed at the tip of an arm 33a protruding rearward from the lower part.
The rear unit (second unit) 50 includes a rear base member (second base member) 51 disposed on the back side of the game board while supporting the drive mechanism 60. The rear base member 51 includes a first rear base member 51A located at the front and a second rear base member 51B disposed at the rear.
In the illustrated embodiment, the first unit is the front unit 20, and the second unit is the rear unit 50. However, the two units do not have to be adjacent in the front-rear position relationship, for example, the vertical position relationship, and the like. May be adjacent in the positional relationship.

The drive mechanism 60 includes a solenoid main body (drive source main body) 62 supported by the second rear base member 51B, and a plunger (protruding member) that is supported by the solenoid main body so as to be able to protrude and retract forward and move back and forth within the upper hollow portion. 63 and a solenoid (drive source) 61 provided with an elastic member 64 that urges the plunger 63 forward, and a shaft support 53 provided on the first rear base member 51A, the swing shaft support 66 swings back and forth. An engaged portion 67 that is pivotally supported and is engaged with a flange portion (engagement piece) 63 a provided on the plunger above the swing shaft support portion 66 is lower than the swing shaft support portion 66. And a drive transmission member 65 provided with a lever 68 that engages with the operated piece 33 of the door member. When the second rear base member 51B is assembled to the rear surface of the first rear base member 51A, the swinging shaft support 66 supported in the shaft support 53 is located at a corresponding portion on the second rear base member 51B side. It is sandwiched between the provided members and is rotatably supported.
The drive transmission member 65 is made of, for example, an elastic resin material.
The plunger 63 is supported so as to be able to protrude and retract forward by an insertion hole 62 a provided in the front surface of the solenoid body 62, and is urged forward by an elastic member 64. The flange 63a at the distal end of the plunger is assembled in a state of being sandwiched between the engaged portions 67 of the drive transmission member 65, thereby converting the linear moving force when the plunger is retracted into the rotational force of the drive transmission member 65. When the solenoid body 62 is not energized, the plunger is projected by the elastic member.

When the solenoid 61 is not energized (non-energized), the plunger 63 protrudes forward and presses the engaged portion 67 of the drive transmission member forward, so that the front portion 68a of the lever 68 is the operated piece 33 of the door member. Is rotated backward (withdrawal direction = closing direction) to rotate the door member in the open state in the closing direction. In this example, the door member 30 is set to be in a closed state when the plunger is in the maximum projecting state shown in FIG.
On the other hand, when the solenoid 61 is energized (when energized), the plunger 63 is attracted and retracted rearward (retracting direction), and the engaged portion 67 is pulled rearward (opening direction) to act on the lever front portion 68a. The locking state of the piece 33 is canceled and the door member that has been in the closed state is rotated in the opening direction. The door member is always urged in the opening direction by its own weight, and is only held at the same position by the lever front portion 68a when in the closed position. Accordingly, when the lever moves in the opening direction and is no longer held by the lever front portion 68a, the door member rotates in the opening direction by its own weight, and passes through the intermediate state of FIG. It rotates to the fully open position shown in c). When the lever 68 is quickly rotated in the opening direction (forward) by the plunger being retracted by energizing the solenoid body (the position shown in FIG. 7C), the door member that has lost its support starts to rotate by its own weight in the opening direction. To do. The fully open position of the door member is defined by the lever front part 68a that has reached the fully open position in advance, and the position where the actuated piece 33 contacts the lever front part is the fully open position.

When the stopper is provided on the base member side to restrict the opening angle of the lever front portion as shown in the conventional example of FIG. 14, the lever front portion whose movement in the opening direction is restricted by the stopper, A bounce occurred between the affected pieces. In other words, when the lever 68 moves in the opening direction by the retracting operation of the plunger, the door member 30 opens with a delay due to its own weight, but after reaching the fully open position, the door member 30 rebounds and repeats bouncing. There was a problem that it took time to stand still.
In contrast, in the present invention, the stopper 70 is provided on the rear base member or the solenoid body to restrict the range in which the drive transmission member 65 rotates in the direction of opening the door member. Since the stopper 70 has a position where the retreat limit position to the rear of the plunger is displaced forward from the original position, the position where the lever front portion 68a of the drive transmission member 65 is rotated to the maximum forward is shown in FIG. c) It can be stopped at the position shown in FIG. That is, the foremost position of the lever front portion 68a when the stopper 70 is provided remains at a position retracted backward from the foremost position of the lever front portion 68a when the stopper 70 is not present. For this reason, the position of the actuated piece 33 whose opening angle is defined by coming into contact with the lever front portion 68a is also closer to the rear, and the opening angle of the door member 30 can be prevented from becoming excessive.

Furthermore, in the present invention, as in the conventional example shown in FIG. 14, the drive transmission member is not provided with a lower stopper that directly contacts the lever front portion 68a, which is the lower portion of the drive transmission member, and defines the open position. An opening position of the lever front portion is defined by bringing a contact member 69 provided on the upper portion into contact with a stopper (upper stopper) 70 provided on the upper side. In other words, in the present embodiment, there is no member that directly locks the lever front portion in the open position like the lower stopper shown in FIG.
The conventional lower stopper has a structure that strictly prevents the front part of the lever from moving beyond the fully open position in the opening direction. It could not be displaced or deformed, and therefore the impacted piece 33 that collided could not be buffered. On the other hand, in the present embodiment in which the lower stopper is not provided, the lever front portion 68a in the open position is maintained in an elastically deformable state. ) Can be displaced further in the opening direction (counterclockwise direction) than the fully opened position shown in FIG. 3), so that the momentum of the actuating piece 33 colliding with the front of the lever when the door member is opened is reduced and buffered. The occurrence of bounce can be prevented.

  As described above, in the embodiment of the present invention, the stopper 70 is provided on the second rear base member 51 </ b> B, and the contact member 69 provided at an appropriate upper position corresponding to the drive transmission member 65 can contact the front surface of the stopper 70. I have to. For this reason, when the lever 68 of the drive transmission member rotates forward to open the door member 30, the contact member 69 contacts the front surface of the stopper 70, so that the fully open state shown in FIG. It becomes impossible to rotate in the direction of opening the door member beyond the position. For this reason, the plunger 63 that is in the process of being retracted backward by being attracted by the excitation of the solenoid body is stopped from moving backward when the contact member 69 contacts the front surface of the stopper 70. Thus, by restricting the rotation range when the drive transmission member is opened by the stopper 70, the opening angle when the door member is fully opened can be made smaller than when the stopper 70 is not present.

That is, when the stopper 70 is not present, the fully open position of the door member 30 is shown because the inner surface of the lever front portion 68a moves further to the open side than the position shown in FIG. It expands further than the position. For this reason, the inner side surface of the door member becomes a horizontal posture, and the situation in which the game ball bounced on the inner side cannot win a prize in the winning opening increases.
On the other hand, when the stopper 70 is provided, the position of the inner surface of the lever front portion 68a remains at the rear position shown in FIGS. 7C and 7D even when the stopper 70 is fully opened. The position stops at the position indicated by the solid line.
In addition, since there is no lower stopper that directly restricts the displacement of the lever front portion 68a in the opening direction, the lever front portion itself can exhibit an elastic buffering action, and the lever front portion can be reduced due to variations in component accuracy and assembly. It can be slightly displaced in the opening direction beyond the fully opened position shown in the figure. Since the lever front portion is thus configured to be slightly displaceable in the opening direction from the fully open position (because of a cushion function), the moment when the actuated piece 33 of the door member collides with the lever front portion. The door member can be buffered, and the door member can be immediately stopped when the fully opened position is reached without causing a bounce.

By appropriately adjusting the amount of protrusion of the stopper 70 to the front and / or the amount of protrusion of the abutting member 69 to the rear, the retreat limit position for the rear of the plunger and the foremost position of the lever front portion 68a. Can be adjusted as appropriate.
The stopper 70 may be provided on the side portion of the solenoid body 62 corresponding to the contact member 69 of the drive transmission member.
The contact position P1 (FIG. 7C) between the stopper 70 and the contact member 69 is changed to the contact position P2 (FIG. 7C) between the operated piece 33 and the lever front portion 68a when the door member is opened. One feature of the present invention is that it is disposed sufficiently upward. That is, since the contact position P1 is at an upper position that is sufficiently separated from the contact position P2 with the swinging shaft support 66 in between, the collision between the actuated piece 33 and the lever front portion 68a at the contact position P2 occurs. The generated energy can be propagated to the stopper 70 via the lever 68 of the drive transmission member and the swinging shaft support portion 66 to be absorbed and relaxed (bounce prevention).

In other words, by providing the stopper 70 for determining the limit position in the lever opening direction at the top, the contact position P2 between the actuated piece 33 and the lever front portion 68a and the contact position P1 between the stopper 70 and the contact member 69 are obtained. Since the distance between them is sufficiently long, the impact due to the collision between the actuated piece 33 and the lever front portion is sufficiently absorbed and relaxed by the intervening parts such as the drive transmission member until the contact position P1 is reached.
Moreover, in the said embodiment, it was set as the structure which opens and closes a drive transmission member and a door member by making the plunger (protruding member) of a solenoid (drive source) protrude and retract in the front-back direction, but this is only an example, A plunger These members may be configured to open and close by protruding and retracting from the solenoid body in an oblique direction (obliquely up-down direction, obliquely lateral direction, etc.). That is, the direction in which the in / out member appears is not limited to the embodiment.

Next, FIGS. 9A, 9B and 9C are diagrams for explaining measures for preventing the bounce of a door member according to another embodiment of the present invention, and FIGS. 10A and 10B. FIG. 11 is a front perspective view showing a state in which the lower shaft support portion of the door member is supported in the shaft hole, and FIGS. 11A and 11B are front side perspective views showing the shaft support structure of the door member by the rear base member. It is a perspective view which shows the structure of a figure and the back part of a front decoration. In addition, it demonstrates, referring also the applicable location in FIG.
The same parts as those in the above embodiment will be described with the same reference numerals.
The two lower shaft support portions 32 respectively protruding from the lower side surface of the door member 30 are rotatably supported by two shaft holes 55 provided across the front unit 20 and the rear unit 50. . Each shaft hole 55 is fitted with two recesses 56 provided at the front end edges of the two opposing inner walls of the opening 54 of the rear base member 51, and the shaft hole 55 is fitted into each recess 56 from the front. And a fitting protrusion 42a to be formed. As shown in FIG. 11B, the fitting protrusion 42a protrudes from the rear part of the front decoration 42 in this example.

The recesses 27 provided on the two opposing inner side walls of the front unit 20 are in a positional relationship aligned with the respective recesses 56. When the front unit and the rear unit are assembled, the respective recesses 56 are each recessed. In this state, the front decoration side projection 42a is fitted into the recesses 27 and 56, and the front opening of the recess 56 is closed, whereby the front and rear direction (lateral direction) is established. ) Is closed.
The shaft hole 55 is set to have a vertical width so that the cylindrical lower shaft support portion 32 can be accommodated and rotatably supported, and the lower shaft support portion 32 is rearward within the shaft hole within a predetermined range, or / And the dimension in the front-back direction (lateral direction) is set longer than the diameter of the lower shaft support part 32 so that it can move forward.
Strictly speaking, as long as the lower shaft support portion 32 is rotatably supported in the shaft hole 55, there is a slight clearance between the lower shaft support portion and the inner wall of the shaft hole in the front-rear direction. Specifically, for example, when the diameter of the lower shaft support portion is 3 mm, the longitudinal clearance is about 0.1 (0.05 × 2) mm. However, with such a slight clearance, the lower shaft support portion cannot be advanced or retracted in the front-rear direction to the extent that the bounce when the door member is fully opened is eliminated.

In the present invention, the length in the front-rear direction of the shaft hole 55 is set so that the lower shaft support part advances and retracts in the front-rear direction (lateral direction) to the extent that the bounce that occurs when the door member reaches the fully open position can be eliminated. It is characteristic. Specifically, it is preferable to set the longitudinal clearance between the lower shaft support portion and the inner wall of the shaft hole in a range of 1/10 to 1/4 of the diameter of the lower shaft support portion.
More specifically, assuming that the diameter of the lower shaft support portion is 3 mm, the front-rear direction gap between the lower shaft support portion and the shaft hole is in the range of 0.3 to 0.75 mm. However, if the clearance is too large, dust is likely to be clogged therewith, and this may cause the door member opening / closing performance to deteriorate.

As described above, the lower shaft support portion 32 is configured to be able to advance and retract in the shaft hole 55 in the front-rear direction, so that the door member at the closed position is opened and the actuated piece 33 is placed on the inner surface of the lever front portion 68a. After the contact, the lower shaft support portion swings back and forth along the arcuate path with the acting piece 33 supported by the inner surface of the lever front portion 68a as the rotation center and the length of the arm 33a as the radius. It is possible to move.
That is, when the door member that has been in the closed position reaches the fully open position, the lower end support portion 32 has a radius centered on the operated piece 33 instead of causing the operated piece 33 to come into contact with the lever front portion 68a to cause a bounce. The absorption and relaxation of the energy that causes the bounce by moving back and forth in the shaft hole 55. More precisely, as shown in FIGS. 9B and 9C, the door member has the contact position P2 between the actuated piece 33 and the lever front portion 68a as the rotation center, and the contact position P2 and the lower support shaft. It is slightly displaced in the front-rear direction, with the distance r to the center point of 32 as the radius.

  The shape of the shaft hole 55 (recess 56) is such that the contact position P2 between the acting piece 33 and the lever front portion 68a is the center of oscillation, and the distance r between the contact position P2 and the center point of the lower support shaft 32 is r. Ideally, the lower shaft support portion 32 has a diameter of about 3 mm and the movable range L in the shaft hole is as short as about 0.3 mm, and thus extends linearly in the front-rear direction. The shaft hole shape does not hinder the operation of the lower shaft support. In addition, when the front base member 51A is formed by a mold, it is convenient that the recess 56 is linear because the problem of undercut processing does not occur. That is, when the recess 56 has a curved shape centered on the contact position P2, if the die-cutting direction when the member having the recess 56 is injection-molded by a mold is the front-rear direction, the recess is This is because it becomes undercut and it becomes difficult to remove the die.

In the example shown in FIG. 9, the position of the lower shaft support portion 32 in the shaft hole 55 is in contact with the front portion of the shaft hole (the rear end surface of the fitting protrusion 42a) when the door member is closed. In this case, when the door member is fully opened, the stress caused by the collision between the actuated piece 33 and the lever front portion 68a is reciprocated so that the lower shaft support portion moves backward in the shaft hole and hits the rear portion of the shaft hole and then returns to the front. This can be alleviated.
That is, when the lower shaft support portion is located at the front end portion of the shaft hole 55 when the door member is closed, the lower shaft support portion temporarily moves rearward from the front end portion of the shaft hole by the momentum when the door member is opened. Then immediately return to the front. That is, when the door member rotates in its opening direction by its own weight, the lower shaft support portion rotates in the clockwise direction as shown in FIG. Excessive acceleration is absorbed and mitigated by the reciprocating movement of the lower shaft support from the rear to the front.
When the inventor observed the opening / closing operation of the door member using a high-speed camera, it was confirmed that the bounce of the door member was eliminated by the reciprocating motion of the lower shaft support portion in the shaft hole.

In addition, the front-rear direction stop position in the shaft hole 55 of the lower shaft support portion 32 when the door member is closed is not constant, and in addition to the front end position contacting the front end portion of the shaft hole, the rear end of the shaft hole There may also be a rear end position in contact with the portion, or an intermediate position in the front-rear direction of the shaft hole.
If the lower shaft support part is in the middle position of the shaft hole when the door member is closed, the lower shaft support part once moves backward and then moves forward, resulting in excessive acceleration that causes the door member to bounce. Can be eliminated.
Further, when the lower shaft support portion is at the rear end position of the shaft hole when the door member is closed (the state shown in FIG. 12), the lower shaft support portion is temporarily moved forward from the rear end portion of the shaft hole by the momentum when the door member is opened. Immediately return to the back after moving toward. That is, when the door member is rotated by its own weight in the opening direction, the lower shaft support portion rotates in the clockwise direction. However, the lower shaft support portion causes excessive acceleration that causes bounce to the door member generated at this time. Can be absorbed and relieved by reciprocating from front to rear. In this case, a force that causes the door member to bounce in the closing direction is generated by the impacted piece colliding with the front part of the lever, but this force is applied to the rear side after the lower shaft support part moves forward in the shaft hole. It is solved by converting it into a force to return to the back.

  As described above, in the pivotal support structure of the door member according to the present embodiment, the lower pivotal support portion 32 is pivotally supported by the shaft hole 55 so as to be opened by its own weight, and the door when energized. A solenoid 61 that opens the door member when de-energized while holding the member in the closed position, and a drive transmission member 65 (lever 68) that opens and closes the door member by rotating when the solenoid plunger moves in and out; The shaft hole pivotally supports the lower shaft support portion of the door member, and the lower shaft support portion moves backward in the shaft hole when the door member in the closed position rotates in the opening direction. Or / and a configuration that allows movement in the forward direction (lateral direction = impact mitigation direction). For this reason, it is possible to effectively eliminate the force that causes the door member to bounce in the closing direction, which is generated when the operated piece collides with the lever front portion, thereby eliminating the bounce.

If the clearance between the lower shaft support portion and the inner wall of the shaft hole is small as in the prior art and there is no escape space for the lower shaft support portion, the lower shaft support portion could not behave other than rotating when the door member was opened. As a result, the door member bounced. On the other hand, in the present invention, since the lower shaft support portion can move back and forth in the shaft hole in the front-rear direction (there is a escape area), it can move not only when the door is opened but also move in the front-rear direction. It is possible to disperse and eliminate the force that causes it to be generated.
The structure of the door member opening / closing mechanism of the present invention is applied not only to the variable winning device 11 shown in the figure, but also to the opening / closing door 13a of the big winning device (variable winning device) 13 and other winning devices. Can do.

DESCRIPTION OF SYMBOLS 1 ... Game board, 1a ... Game area, 3 ... Dish part, 4 ... Launch lever, 5 ... Center member, 7 ... Opening and closing piece, 10 ... Out port, 11 ... Variable prize-winning device, 12 ... Gate, 13a ... Opening / closing door, DESCRIPTION OF SYMBOLS 14 ... Normal winning opening, 15 ... Windmill, 16 ... Normal symbol display device, 20 ... Front unit, 21 ... Winning opening, 22 ... Lower hollow part, 23 ... Bulkhead, 24 ... Recess, 24F ... Front edge, 24a ... Inner front wall, 24b ... bottom of recess, 25 ... upper hollow part, 30 ... door member, 31 ... door body, 32 ... lower pivot support, 33 ... acted piece, 40 ... front base member, 42 ... front decoration, 42a ... fitting protrusion, 43 ... ball detection sensor, 45 ... decorative member, 50 ... rear unit, 51 ... rear base member, 51A ... rear base member, 51B ... rear base member, 53 ... shaft support, 55 ... shaft hole , 60 ... drive mechanism, 61 ... solenoid (drive source), 62 Solenoid body (drive source body), 62a ... insertion hole, 63 ... plunger (protruding member), 63a ... flange portion, 64 ... elastic member, 65 ... drive transmission member, 66 ... oscillating shaft support portion, 67 ... engaged portion 68 ... Lever, 68a ... Front, 68a６８ ... Inner surface, 68b ... Rear, 70 ... Stopper

Claims (1)

A door member that opens and closes by pivotally supporting the lower shaft support portion through a shaft hole, a solenoid that holds the door member in a closed position when not energized, and opens the door member when energized; A drive transmission member that opens and closes the door member by rotating by a retracting operation of a plunger that protrudes and retracts by the solenoid;
The shaft hole pivotally supports the lower shaft support portion of the door member so that the lower shaft support portion moves back and forth in the shaft hole when the door member located at the closed position rotates in the opening direction. With a configuration that allows movement to
The door member includes a door body that opens and closes around the lower shaft support portion provided at a lower portion between an open position and a closed position, and an actuating piece protruding from a lower portion of the door body, and the solenoid It is configured to open around the lower shaft support when the plunger is sunk by energization to
When the door member moves from a closed position to an open position, the lower shaft support portion is displaced in the front-rear direction in the shaft hole with the contact position between the actuated piece and the drive transmission member as a center. To play.

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