JP2006218095A - Pinball game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a pachinko game machine preventing a glass door in a closed state from shaking. <P>SOLUTION: The pachinko game machine PM is provided with a front frame 2 for housing and retaining a game board 10, the glass door 30 swingably, openablely and closeablely fixed on the surface side of the frame 2 and through which the game board 10 is visible in the closed state, second hook parts 65 provided near a side of the frame 2, second holders 66 provided near a side of the door 30 and engageable with the hook parts 65 and a locking device 50 able to lock the door 30 to the frame 2 in the closed state by making the hook parts 65 engage with the holders 66. Near the hook parts 65 on the surface side of the frame 2, there are boss parts 27 to be brought into contact with the door 30 in a state where the door 30 is closed and locked by the locking device 50. In a state where the boss parts 27 are brought into contact with the door 30, a predetermined gap is formed between the back side of the door 30 and the surface side of the frame 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a ball game machine represented by a pachinko machine, and more particularly to a structure for closing and holding a glass door configured in a ball game machine with respect to a front frame.

  In a pachinko machine that is a typical example of a ball game machine, a front frame that accommodates and holds a game board is supported in an openable and closable manner by an outer frame that forms a fixed holding frame. On the surface of the game board, a game area in which game nails, winning devices and the like are arranged is formed. A glass door is supported at the upper surface of the front frame so as to be openable and closable, and a game board (game area) accommodated and held in the front frame is visible through the glass door (see, for example, Patent Document 1). ).

Further, the front frame is always held in a closed state engaged and connected to the outer frame by using a locking device provided on the right side of the pachinko machine. Furthermore, the glass door is always held in a closed state that covers the surface of the front frame using the above-described locking device. In this locking device called a double lock, a front frame is unlocked when a key is inserted into a keyhole and rotated to one side, and a glass door is unlocked when rotated to the other side.
JP 2002-159711 A

  However, in the conventional pachinko machine, when the glass door is closed with respect to the front frame, the rear side edge of the glass door is in contact with the front frame. The glass door in the room was prone to rattle. Furthermore, due to the deformation of the glass door, there is a possibility that locking by the locking device may not be performed when the glass door is closed with respect to the front frame.

  The present invention has been made in view of such problems, and an object thereof is to provide a ball game machine that prevents rattling of a glass door in a closed state.

  In order to achieve such an object, the ball game machine according to the first invention (for example, the pachinko machine PM in the embodiment) is supported by a front frame that accommodates and holds the game board and one side portion of the front frame. In a closed state, it is attached to the front side of the front frame so as to be able to swing open and close, and in a closed state, a glass door that can visually recognize the game board, and a frame side engaging member provided near the other side of the front frame (for example, A second hook portion 65) in the embodiment, and a door-side engagement member (for example, the second receiver 66 in the embodiment) provided near the other side portion of the glass door and engageable with the frame-side engagement member. And a locking device capable of locking the glass door in a closed state with respect to the front frame by engaging the frame side engaging member and the door side engaging member. The glass door can be brought into contact with the glass door in the vicinity of the joint member while being closed and locked by the locking device. A protrusion member (for example, the boss portion 27 in the embodiment) is provided, and a predetermined gap is formed between the rear surface side of the glass door and the front surface side of the front frame in a state where the protrusion member is in contact with the glass door. Configured as follows.

  Further, the ball game machine according to the second invention is attached to the front frame for accommodating and holding the game board, and swingably openable on the surface side of the front frame in a state supported by one side portion of the front frame. A glass door in which the game board can be seen in the closed state, a frame side engaging member (for example, the second hook portion 65 in the embodiment) provided near the other side of the front frame, and the other of the glass door A door-side engaging member (for example, the second receiving member 66 in the embodiment) provided near the side portion and engageable with the frame-side engaging member, and the frame-side engaging member and the door-side engaging member; The glass door is closed and locked to the locking device in the vicinity of the door-side engaging member on the back side of the glass door. Protruding members that can contact the front frame in a state (for example, the projecting member 37 in the embodiment) are provided, In a state in which the force member abuts the front frame, configured so that a predetermined gap is formed between the surface side of the back surface side and the front frame of the glass door.

  According to 1st invention, the projection member which can contact | abut to a glass door in the state by which the glass door was closed and locked by the locking device was provided in the vicinity of the frame side engaging member in the surface side of a front frame, and a projection member Is configured so that a predetermined gap is formed between the rear surface side of the glass door and the front surface side of the front frame in a state where the glass door is in contact with the glass door. If it does, the glass door will always contact | abut to a projection member, and the closure rocking | fluctuation of a glass door will stop. Therefore, by providing the protruding member in the vicinity of the frame side engaging member, the closed position of the glass door with respect to the front frame can be stabilized, and rattling of the glass door in the closed state can be prevented.

  Further, according to the second invention, in the vicinity of the door side engaging member on the back surface side of the glass door, a protruding member capable of contacting the front frame in a state where the glass door is closed and locked by the locking device is provided, Since the projecting member is in contact with the front frame, a predetermined gap is formed between the rear side of the glass door and the front side of the front frame, so the glass door is closed with respect to the front frame. When it is swung, the projection member is always in contact with the front frame, so that the closed swing of the glass door is stopped. Therefore, it becomes possible to stabilize the closed position of the glass door with respect to the front frame, and it is possible to prevent rattling of the glass door in the closed state.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. A pachinko machine PM is shown in FIGS. 1 to 3 as a representative example of a ball game machine according to the present invention. Here, FIG. 1 is a perspective view of the pachinko machine PM as seen from the front side, FIG. 2 is a perspective view showing the pachinko machine PM with its glass door and upper bowl opened, and FIG. 3 is a front frame of the pachinko machine PM. It is a perspective view which shows the state open | released with respect to the outer frame.

  As shown in FIG. 1, the pachinko machine PM includes an outer frame 1 that is configured in an outer rectangular frame size and forms a vertically fixed holding frame, and a front frame for opening and closing that is configured in a rectangular frame size according to the outer frame 1. 2 is mainly composed. The front frame 2 is supported on the left side of the outer frame 1 by hinge mechanisms 3a and 3b disposed on the front left and upper sides of the outer frame 1 and the front frame 2, and is forward of the opening front of the outer frame 1. It is attached so as to be able to swing open and close and detachably, and is always held in a closed state engaged and connected to the outer frame 1 using a locking device 50 called a double lock provided on the right side of the front.

  A glass door 30 is swingably opened, closed, and detachably attached to the upper part of the front surface (front surface) of the front frame 2 while being supported on the left side of the front frame 2 by a hinge (not shown) at the left end. 50 is always kept in a closed state covering the front surface of the front frame 2. The upper part of the front frame located behind the glass door 30 has a front support part 21 that supports the front side of the game board 10 and a storage frame that protrudes rearward from the front support part 21 to detachably accommodate the game board 10. (Not shown) is provided, and the game board 10 that is latched and held in a standing posture on the housing frame is visually recognized through the glass door 30. In addition, speakers 22 are respectively disposed on the left and right upper portions of the front support portion 21.

  The game board 10 has a decorative board obtained by applying a cell to a surface of a laminated plywood having a predetermined board thickness and router processing, and a substantially circular game area PA is formed surrounded by arc-shaped rails 11 and the like. . In the game area PA, game components such as various winning devices (not shown) are attached together with a large number of game nails and windmills (not shown), and an out port 12 is provided at the lower end.

  The glass door 30 is swingably opened / closed and detachably attached to the upper part of the front surface (front surface) of the front frame 2, and the glass assembly 32 is swingably opened / closed and detachably attached to the back side of the door frame 31. It is mainly composed. The glass assembly 32 is configured such that two front and rear glass plates are accommodated in a protective frame that supports the periphery of the glass assembly 32, and hinge mechanisms 34a and 34b provided on the left side of the back surface of the door frame 31 allow the door frame 31 to be It is swingably opened / closed and detachably attached while being supported on the left side. Locking members 35, 35 are provided on the right side of the back surface of the door frame 31, and the glass assembly 32 is locked and held at a closed position covering the window opening of the door frame 31 by the locking members 35, 35. Is done.

  The upper and lower locking members 35 and 35 are configured to be able to be locked to the upper and lower locking pieces 33 and 33 formed on the right side of the glass assembly 32, respectively, and to the right side of the back surface of the door frame 31. The upper and lower locking pieces 33 and 33 are swingably attached to a locking position that can be locked to each of the upper and lower locking pieces 33 and a non-locking position that is rocked and displaced rightward (outward) from the locking position. The upper and lower locking members 35 and 35 are respectively locked to the upper and lower locking pieces 33 and 33 so that the glass assembly 32 is locked and held at the closed position covering the window opening of the door frame 31. It has become.

  On the front side (front surface) of the front frame 2, the upper ball tray 6 is attached to the left end hinge mechanism 23 (see FIG. 2) so that it can be opened laterally and detachably, and is always provided on the right side. The lock mechanism 24 (see FIG. 2) is engaged and held in a state where the front surface of the front frame 2 is covered under the glass door 30. As shown in FIG. 2, an auxiliary mechanism portion called a game auxiliary board 25 is formed in the lower area of the front frame 2 whose front side is covered with the upper ball tray 6. Are provided with a game ball launching device 26 and the like for launching a game ball in the game area PA of the game board 10.

  A lower ball tray 7 is provided below the upper ball tray 6 on the front surface (front surface) of the front frame 2 so as to protrude forward as shown in FIG. This lower ball tray 7 is a game ball from the upper ball tray 6 when the game ball (prize ball) stored in the upper ball tray 6 overflows or when the player operates the ball release lever 6a of the upper ball tray 6 When the ball is pulled out, the game balls sent through the ball tray passage 28 and the lower ball tray outlet 29 formed on the front frame 2 side are received and stored. Further, on the right side of the lower ball tray 7, a launch handle 8 for performing a launch operation of the game ball is attached.

  As shown in FIG. 3, a first back set board 40 formed in an inverted L shape in accordance with the shape of the inner side of the upper right part on the back side of the outer frame 1 is provided at the upper part of the back (back) of the front frame 2 as a hinge mechanism. (Not shown) is swingably opened / closed and detachably attached, and is always kept in a closed state covering the upper right portion of the back surface of the front frame 2. The first back set board 40 includes a ball storage tank 41 for storing game balls and arranging and flowing down the stored game balls, a ball payout device 42 for paying out game balls based on a winning state, and the like. A game ball processing mechanism such as a ball payout passage 43 for guiding the game balls paid out from the ball to the upper ball tray 6 is provided.

  A second back set board 45 that covers the lower rear portion of the front frame 2 is attached to the lower portion of the rear surface (rear surface) of the front frame 2 by a hinge mechanism (not shown) so as to be swingable openable and detachable. It is held in a closed state covering the lower back of the. The second back set board 45 controls the operation of the power supply unit 46 for supplying power to each control device and electronic components, the ball payout control device 47 for controlling the payout operation of the game ball, and the operation of the pachinko machine PM. A main control device (not shown) or the like is attached, and these are connected by a connector cable (not shown) so that the pachinko machine PM can be operated.

  By the way, as shown in FIGS. 4 and 5, the locking device 50 includes a base frame 51 fixedly disposed on the right side rear surface (back surface) side of the front frame 2, and a vertical direction with respect to the base frame 51. A first lifting / lowering operation rod 53 attached to be movable up and down, and a first lifting / lowering operation rod 53 that is slidably held between the standing surface of the base frame 51 and the first lifting / lowering operation rod 53 and can be moved up and down in the vertical direction 2 is fixedly disposed on the front side of the lifting and lowering operation rod 63 and the base frame 51, and the keyhole portion 61 is exposed below the glass door 30 on the right side of the front surface of the front frame 2 as shown in FIG. It consists of a lock 60 and the like. Here, FIG. 4 is a right side view of the locking device 50, and FIG. 5 is a rear view of the locking device 50.

  As shown in FIGS. 4 and 5, the base frame 51 is formed, for example, by punching and press-molding a thin sheet metal material into a required shape having a substantially L-shaped cross section. It is fixedly disposed on the right side rear surface (back surface) side. As shown in FIG. 4, in the vicinity of the lower end portion of the base frame body 51, a roller 52 that can roll and move on a rail (not shown) provided on the right inner surface of the outer frame 1 is disposed. The front frame 2 can be easily opened and closed with respect to the outer frame 1.

  As shown in FIG. 4, the first elevating operation rod 53 is formed into a plate shape by the same molding process as the base frame body 51, and the first elongate hole formed in a predetermined position of each elevating operation rod 53, 63. The first guide pin 54 fitted through the portion 53a and fixed to the base frame 51 is attached to the base frame 51 so as to be movable up and down. At the upper and lower ends of the first lifting / lowering operating rod 53, first hook portions 55, 55 are formed to extend rearward. When the first lifting / lowering operating rod 53 is displaced downward together with the first lifting / lowering operating rod 53, FIG. As shown, the upper and lower first receivers 56, 56 provided on the right inner surface of the outer frame 1 are configured to be engageable with each other.

  A first urging spring 57 is disposed across the base frame 51 and the first elevating operation rod 53 so as to constantly urge the first elevating operation rod 53 downward. For this reason, the upper and lower first hook portions 55 and 55 are always engaged with the first receivers 56 and 56, respectively, and the locked holding state in which the front frame 2 is closed and held with respect to the outer frame 1 is maintained. The front frame 2 can be released from the outer frame 1 by moving the upper and lower first hook portions 55, 55 together with the lifting operation rod 53 to disengage the first receiving members 56, 56. It is configured to be able to.

  As shown in FIG. 4, the second elevating operation rod 63 is formed into a plate shape by the same molding process as the base frame body 51, and between the standing surface of the base frame body 51 and the first elevating operation rod 53. Using the second guide pin 64 that is slidably held and is fitted to the base frame 51 through the second elongated hole 63a formed at a predetermined position of each of the elevating operation rods 53 and 63. The base frame 51 is attached between the standing surface and the first lifting operation rod 53 so as to be movable up and down. As shown in FIG. 4, second hook portions 65, 65 are formed on the upper and lower sides of the second lifting operation rod 63 so as to extend forward, and when displaced upward together with the second lifting operation rod 63. In addition, the upper and lower second receivers 66, 66 provided on the right inner surface of the glass door 30 (door frame 31) can be engaged with each other. The upper and lower second hook portions 65, 65 pass through hook passage holes (not shown) formed on the upper right and lower sides of the front support portion 21 in the front frame 2, as shown in FIG. It protrudes forward from the front support portion 21 of the frame 2.

  A second urging spring 67 is disposed across the base frame 51 and the second elevating operation rod 63 so as to constantly urge the second elevating operation rod 63 upward. For this reason, the upper and lower second hook portions 65, 65 are always engaged with the second receivers 66, 66, respectively, and the locked holding state in which the glass door 30 is closed and held with respect to the front frame 2 is maintained. The glass door 30 can be opened with respect to the front frame 2 by lowering the upper and lower second hook portions 65 and 65 together with the lifting operation rod 63 to disengage the second receiving members 66 and 66. It is configured to be able to. Further, projections 68 and 68 are formed above the second hook portions 65 and 65 so as to protrude forward and inclined upward as the tip ends forward, respectively. When displaced downward integrally with the flange 63, the upper and lower protrusions 68, 68 abut against the second receivers 66, 66 that are disengaged from the second hooks 65, 65, respectively, and press forward. And it is comprised so that the glass door 30 may be open | released with respect to the front frame 2. As shown in FIG.

  As the lock 60, a lock generally called a “double lock” is used. The lock 60 is a so-called unlocking type lock, and the rotation shaft of the lock 60 is biased and held at the neutral angle position when the unlocking operation is not performed. When a key suitable for the lock 60 is inserted into (inserted into) the keyhole 61 (see FIG. 1) of the lock 60 exposed on the front surface of the front frame, the rotation shaft of the lock 60 is set in a rotatable state. The key can be rotated in two directions, clockwise or counterclockwise. As shown in FIGS. 4 and 5, an unlocking board 62 is fixed to the shaft end of the rotating shaft.

  The unlocking board 62 is also referred to as a cam board. As shown in FIG. 5, two protruding ends as shown in FIG. 5 by pressing a sheet metal material, that is, a first protruding end 62a and a second protruding end 62b. Is formed in a predetermined cam shape. Among these, the 1st protrusion end part 62a has a function as an operation | movement end which unlocks the front frame 2, The front-end | tip upper surface is formed in the 1st raising / lowering operation rod 53 The 1st engagement hole part (not shown). Is set to be engageable. The second projecting end 62b has a function as an operating end for unlocking the glass door 30, and a lower end of the second elevating operation rod through a first engagement hole formed at the lower end of the tip of the first elevating operation rod. The second engagement hole portion (not shown) formed in 63 is set to be engageable.

  Therefore, for example, when the unlocking operation is performed clockwise (clockwise) with the key from the front side of the front frame, the unlocking board 62 is rotated counterclockwise (counterclockwise) in FIG. The top end surface of the end portion 62a engages with the opening end surface of the first engagement hole (not shown) in the first lifting / lowering operating rod 53, so that the first lifting / lowering operating rod 53 can move in the upward direction. Therefore, by moving the first lifting / lowering operating rod 53 upward from the engagement position against the biasing force of the first biasing spring 57, the upper and lower first hook portions 55, 55 are moved upward to form the first receiving member. The engagement with the tools 56 and 56 can be dissociated, and the front frame 2 can be opened with respect to the outer frame 1.

  On the other hand, when the unlocking operation is performed counterclockwise (counterclockwise) with the key from the front side of the front frame, the unlocking board 62 is rotated clockwise (clockwise) in FIG. 5 and the second protruding end 62b. The lower surface of the distal end of the second engagement member engages with the opening end surface of the second engagement hole (not shown) in the second lifting / lowering operation rod 63 so that the second lifting / lowering operation rod 63 can be moved in the downward direction. Therefore, by lowering the second elevating operation rod 63 against the urging force of the second urging spring 67 from this engagement position, the upper and lower second hook portions 65, 65 are moved upward to form the second receiving member. The engagement with the tools 66, 66 is dissociated, and the upper and lower protrusions 68, 68 are brought into contact with the second receivers 66, 66 from which the engagement with the second hook portions 65, 65 is disengaged, so that the glass door 30 can be opened to the front frame 2.

  Now, as shown in FIG. 2, boss portions 27, 27 are integrally formed on the front frame 2 (front surface) on the right side of the front frame 2 so as to protrude forward. That is, the upper and lower boss portions 27, 27 are formed in the vicinity of the upper and lower second hook portions 65, 65 configured in the locking device 50. The upper and lower boss portions 27, 27 are configured to be able to contact the glass door 30 in a state where the glass door 30 is closed and locked to the locking device 50. As shown in FIG. A predetermined gap S <b> 1 is formed between the rear surface side of the glass door 30 and the front surface (front surface) side of the front frame 2.

  As a result, when the glass door 30 is closed and swung with respect to the front frame 2, the glass door 30 is always in contact with the boss portion 27, so that the closing and swinging of the glass door 30 is stopped. Therefore, by providing the boss portion 27 in the vicinity of the second hook portion 65, the closed position of the glass door 30 with respect to the front frame 2 can be stabilized, and rattling of the glass door 30 in the closed state can be prevented. Can do.

  In the pachinko machine PM configured as described above, the glass door 30, the upper ball tray 6, the first and second back set boards 40, 45 and the like are closed and held, and the game is played on the upper ball tray 6. The game is started by storing the ball and rotating the launch handle 8. When the launch handle 8 is turned, the game balls stored in the upper ball tray 6 are shot into the game area PA one by one by the game ball launching device 26 located on the back side of the upper ball tray 6. A pachinko game will be developed.

  When the front frame 2 is closed and swung with respect to the outer frame 1 as shown in FIG. 1, the first hook portions 55 and 55 on the front frame 2 side become the first hook on the outer frame 1 side as shown in FIG. The locking holding state of closing and holding the front frame 2 with respect to the outer frame 1 is maintained by engaging with the receiving members 56 and 56 respectively. Further, when the glass door 30 is closed and swung with respect to the front frame 2 as shown in FIG. 1, the second hook portions 65 and 65 on the front frame 2 side are second on the glass door 30 side as shown in FIG. The locked holding state which closes and holds the glass door 30 with respect to the front frame 2 is maintained by engaging with the receiving tools 66 and 66, respectively.

  When a key (not shown) suitable for the lock 60 is inserted into the key hole 61 of the lock 60 and unlocked (turned) clockwise (clockwise) with the key, as described above, The engagement between the first hook portions 55, 55 and the first receivers 56, 56 is released, the front frame 2 is unlocked, and the front frame 2 can be released from the outer frame 1 as shown in FIG. it can. On the other hand, when the unlocking (turning) operation is performed counterclockwise (counterclockwise) with the key, the engagement between the second hook portions 65 and 65 and the second receivers 66 and 66 is released as described above. The glass door 30 is unlocked, and the glass door 30 can be opened with respect to the front frame 2 as shown in FIG.

  By the way, in the conventional pachinko machine, when the glass door 30 ′ is closed with respect to the front frame 2 ′, the rear side edge of the glass door 30 ′ is in contact with the front frame 2 ′. Due to the dimensional tolerance and deformation of ′, the glass door 30 ′ in the closed state is easily rattled (see, for example, FIG. 10). Furthermore, due to the deformation of the glass door 30 ′, there is a possibility that the locking by the locking device 50 ′ may not be performed when the glass door 30 ′ is closed with respect to the front frame 2 ′.

  On the other hand, in the present embodiment, as shown in FIG. 6, a predetermined distance is provided between the rear surface side of the glass door 30 and the front surface (front surface) side of the front frame 2 with the boss portion 27 in contact with the glass door 30. Since the gap S1 is formed, the glass door 30 always comes into contact with the boss portion 27 so that the glass door 30 stops swinging. Therefore, by providing the boss portion 27 in the vicinity of the second hook portion 65, for example, even if the glass door 30 is slightly deformed, if the glass door 30 is closed and swung with respect to the front frame 2, Part of the glass door 30 does not first contact the front surface side of the front frame 2 due to the gap S1, and after the first hook portion 55 of the locking device 50 and the first support 56 are engaged, the glass door 30 is engaged. Will come into contact with the boss portion 27 and stop swinging of the glass door 30 will be stopped (see, for example, FIG. 9). That is, by providing the boss portion 27 in the vicinity of the second hook portion 65, the closed position of the glass door 30 with respect to the front frame 2 can be stabilized, and rattling of the glass door 30 in the closed state can be prevented. Can do.

  As shown in FIG. 6, when the glass door 30 is locked to the front frame 2 by the locking device 50 in a closed state, the locking members 35 of the glass door 30 are respectively attached to the locking pieces 33 of the glass assembly 32. The glass assembly 32 is locked and held at a closed position that covers the window opening of the door frame 31. On the other hand, when the locking member 35 is located at the non-locking position, as shown in FIG. 7, when the glass door 30 is closed and swung with respect to the front frame 2, the locking member 35 comes into contact with the boss portion 27, The closing swing of the door 30 and the engagement between the second hook portion 65 and the second receiver 66 (that is, locking by the locking device 50) are restricted. Thereby, it is possible to prevent the glass door 30 from being closed with respect to the front frame 2 without the locking member 35 being locked to the locking piece portion 33.

  According to the pachinko machine PM having the above-described configuration, the glass door 30 is closed to the locking device 50 in the vicinity of the second hook portion 65 on the front surface side of the front frame 2 and contacts the glass door 30. A predetermined gap S <b> 1 is formed between the rear surface side of the glass door 30 and the front surface side of the front frame 2 in a state where the boss portion 27 that can contact is provided and the boss portion 27 is in contact with the glass door 30. Therefore, when the glass door 30 is closed and swung with respect to the front frame 2, the glass door 30 always comes into contact with the boss portion 27, so that the closing and swinging of the glass door 30 is stopped. Therefore, by providing the boss portion 27 in the vicinity of the second hook portion 65, the closed position of the glass door 30 with respect to the front frame 2 can be stabilized, and rattling of the glass door 30 in the closed state can be prevented. Can do.

  In the above-described embodiment, the boss portion 27 is provided in the vicinity of the second hook portion 65 on the surface side of the front frame 2, but is not limited thereto. For example, as shown by a two-dot chain line in FIG. 2, the glass door 30 is placed in contact with the front frame 2 in the state where the glass door 30 is closed and locked by the locking device 50 in the vicinity of the second receivers 66, 66 on the back surface side of the glass door 30. Protruding members 37 and 37 that can contact each other are provided, and as shown in FIG. A predetermined gap S2 may be formed between the two sides.

  In this way, when the glass door 30 is closed and swung with respect to the front frame 2, the projection member 37 always comes into contact with the front frame 2 (front support portion 21), so that the glass door 30 is closed and swung. It will stop. Therefore, by providing the protruding member 37 in the vicinity of the second receiving member 66, it becomes possible to stabilize the closed position of the glass door 30 with respect to the front frame 2, and the glass in the closed state as in the above-described embodiment. The backlash of the door 30 can be prevented.

  Moreover, in the above-mentioned embodiment, although the boss | hub part 27 is provided in two places on the right side upper and lower sides of the front support part 21, it is not restricted to this, For example, three or more boss | hub parts 27 may be provided. It is only necessary to be provided in the vicinity of the second hook portion 65 on the surface side of the front frame 2 (front support portion 21).

  Furthermore, in the above-described embodiment, the boss portion 27 is formed integrally with the front frame 2, but the present invention is not limited to this, and the protruding member formed separately from the front frame 2 is the front frame 2 (front support). Part 21) may be attached.

  Moreover, in the above-mentioned embodiment, although the locking device 50 is arrange | positioned at the right side of the pachinko machine PM, it is not restricted to this, You may arrange | position at the left side of the pachinko machine PM. At this time, it is preferable that the front frame 2 is supported by the right side portion of the outer frame 1 so as to be openable and closable, and the glass door 30 and the upper ball tray 6 are supported by the right side portion of the front frame 2 so as to be openable and closable.

  Further, in the above-described embodiment, the pachinko machine PM is described as an example of the ball game machine according to the present invention. However, the present invention is not limited to this. For example, a ball such as an arrange ball machine or a sparrow ball game machine may be used. The present invention can also be applied to a ball game machine.

It is the perspective view which looked at the pachinko machine which is an example of the bullet ball game machine concerning the present invention from the front side. It is a perspective view which opens and shows the glass door and upper ball tray of the said pachinko machine. It is a perspective view which shows the state which open | released the front frame of the said pachinko machine with respect to the outer frame. It is a right view of the locking device comprised in the said pachinko machine. It is a rear view of the locking device comprised by the said pachinko machine. It is a plane sectional view of the pachinko machine. It is a plane sectional view showing the state where the locking member constituted in the pachinko machine contacted the boss. It is a plane sectional view showing a modification of the pachinko machine. It is a schematic diagram (plan view) of the pachinko machine. It is a schematic diagram (plan view) of a conventional pachinko machine.

Explanation of symbols

PM Pachinko machine (ball game machine)
PA game area S1 gap S2 gap (modification)
2 Front frame 10 Game board 21 Front support part 27 Boss part (projection member)
30 Glass door 37 Projection member (Modification)
50 Locking device 65 Second hook part (frame side engaging member)
66 Second receiving member (door side engaging member)

Claims (2)

A front frame that houses and holds the game board;
A glass door that is attached to the front side of the front frame so as to be able to swing open and close while being supported on one side of the front frame, and is capable of visually checking the game board in a closed state,
A frame side engaging member provided near the other side of the front frame, and a door side engaging member provided near the other side of the glass door and engageable with the frame side engaging member. Having a locking device capable of locking the glass door in a closed state with respect to the front frame by engaging the frame side engaging member and the door side engaging member,
In the vicinity of the frame side engaging member on the front side of the front frame, a protruding member capable of contacting the glass door in a state where the glass door is closed and locked by the locking device is provided, and the protruding member is A bullet ball game machine characterized in that a predetermined gap is formed between a rear surface side of the glass door and a front surface side of the front frame in a state of being in contact with the glass door. A front frame that houses and holds the game board;
A glass door that is attached to the front side of the front frame so as to be able to swing open and close while being supported on one side of the front frame, and is capable of visually checking the game board in a closed state,
A frame side engaging member provided near the other side of the front frame, and a door side engaging member provided near the other side of the glass door and engageable with the frame side engaging member. Having a locking device capable of locking the glass door in a closed state with respect to the front frame by engaging the frame side engaging member and the door side engaging member,
In the vicinity of the door-side engaging member on the back side of the glass door, a protruding member capable of contacting the front frame in a state where the glass door is closed and locked by the locking device is provided, and the protruding member is A bullet ball game machine, wherein a predetermined gap is formed between a rear surface side of the glass door and a front surface side of the front frame in a state of being in contact with the front frame.

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