JP4676459B2 - Bullet ball machine - Google Patents

Description

  The present invention relates to a ball game machine such as a pachinko machine.

A ball and ball game machine such as a pachinko machine includes a rectangular frame-shaped outer frame and a front frame that can be freely opened and closed with respect to the outer frame, and the game board is mounted on the game board mounting frame provided on the front frame. Is installed. In addition, the rear side (or front side) of the game board mounting frame is open so that the game board can be attached and detached, and the game board mounted from the rear side (or front side) to the game board mounting frame It is held in the game board mounting frame by being pushed forward (or backward) by a game board fixing means such as a back mechanism plate from the side (or front side) (see Patent Document 1).
JP 2006-223734 A

  In the conventional ball game machine as described above, the game board is only fitted into the game board mounting frame from the rear side and is pressed from the rear side by the back mechanism plate or the like. Although positioned accurately, the direction along the board surface, particularly the left-right direction, may have a variation corresponding to the gap existing between the outer peripheral surface of the game board and the game board mounting frame.

  In view of such a conventional problem, an object of the present invention is to provide a ball game machine capable of accurately positioning a game board at a predetermined position.

The present invention is engaged with a game board 6 provided with a game area 6a on the front side, a game board mounting frame 30 configured to be able to hold the game board 6 and opened on the front side or the rear side to be detachable from the game board. Locking means 45a and 45b that can fix the game board 6 in the game board mounting frame 30 in the front-rear direction by releasably engaging the part 56 with the front side or the rear side of the game board 6 are provided. In the ball game machine, the locking means 45a and 45b are configured so that the pressed parts 64c and 64d on the game board 6 are moved to a predetermined origin in the game board mounting frame 30 in conjunction with the engaging operation by the engaging part 56. A pressing portion 57 that presses in the direction along the board surface toward the position O is provided , and one corner of the game board mounting frame 30 is set as the origin position O, and the pressed portions 64c and 64d are set as the origin position O. And the locking means 45a, 45b Department is obtained by forming a substantially vertical plane in a straight line.

  According to the present invention, it is possible to accurately position the game board 6 at a predetermined position not only in the front-rear direction but also in the direction along the board surface.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1-17 has illustrated one Embodiment which employ | adopted this invention for the pachinko machine. In FIG. 1, reference numeral 1 denotes a gaming machine main body, which includes a rectangular outer frame 2 and a front frame 3 pivotally attached to the front side of the outer frame 2 so as to be openable and closable.

  The front frame 3 is made of, for example, a synthetic resin, and is arranged at a rectangular frame portion 4 that contacts the front side of the outer frame 2 and an inner lower portion of the frame portion 4 as shown in FIGS. The lower mounting portion 3a and the upper mounting portion 3b disposed on the inner upper portion of the frame portion 4 are integrally provided. The lower mounting portion 3a includes the launching means 5 and the like, and the upper mounting portion 3b includes the game board 6 and the like. Has been placed. The frame portion 4 is composed of a pair of upper and lower horizontal frame portions 4a and 4b and a pair of left and right vertical frame portions 4c and 4d. The front frame 3 is provided on one end of the left and right sides, for example, the left vertical frame portion 4c side. It is pivotally supported on the outer frame 2 by the vertical hinge 7.

  Further, on the front side of the front frame 3, a front opening / closing plate 9 corresponding to the lower mounting portion 3a and a glass door 10 corresponding to the upper mounting portion 3b are pivotably supported by a hinge 11 on the same side as the hinge 7. ing. The front opening / closing plate 9 is provided with a supply tray 12 for storing game balls to be supplied to the launching means 5, a launching handle 13 for operating the launching means 5, and the like.

  As shown in FIGS. 1, 4, and the like, the glass door 10 includes, for example, a sheet metal door frame 15 having a window hole of a glass window 14 through which the game area 6 a of the game board 6 can be seen through, and the front side of the door frame 15. And a glass unit 17 mounted on the back side of the door frame 15, and when closed on the front frame 3 side, the outer edge side of the door frame 15 is the upper horizontal frame portion 4a. In addition, the glass unit 17 is fitted inwardly while substantially abutting on the front sides of the left and right vertical frame portions 4c and 4d. The glass unit 17 includes two front and rear glass plates 18 and a synthetic resin holding frame 19 that holds the two glass plates 18 on the outer periphery, and is provided on the back side of the door frame 15. The knob 20 is detachably attached to the door frame 15.

  The lower mounting portion 3a is formed in a horizontally long shape along the upper side of the lower horizontal frame portion 4b, and as shown in FIG. A launching game ball is supplied to the launching means 5 from the supply tray 12 on the side. The firing means 5 includes a sheet metal support plate 21, a firing rail 22 mounted on the front surface of the support plate 21, and a striking rod supported on the front surface of the support plate 21 so as to be swingable around a driving shaft in the front-rear direction. 23, and a firing driving means 24 such as a rotary solenoid mounted on the back side of the support plate 21 and driving the striking hammer 23 in the striking direction, and the like. Is intermittently driven in the striking direction (clockwise), so that the game ball supplied from the supply tray 12 onto the firing rail 22 is hit along the firing rail 22 and fired toward the game board 6 side. ing.

  Further, on the left side of the launching means 5, a payout port 25 for discharging game balls paid out from the payout means 114 described later to the supply tray 12 on the front opening / closing plate 9 side, etc. on the right side, a lower speaker 26, etc. Are arranged respectively. The lower speaker 26 includes a speaker unit 27 and a speaker box 28 that accommodates the speaker unit 27, and a housing portion 29 (see FIGS. 6 and 7) formed in the lower mounting portion 3a so as to be recessed backward. ) Is detachably mounted inside.

  The upper mounting portion 3b is disposed on the inner side of the frame portion 4 and on the upper side of the lower mounting portion 3a. The upper mounting portion 3b is formed in a rearwardly bulging shape that can be fitted to the inner side of the outer frame 2. Is provided with a game board mounting frame 30. A rear case 31 substantially covers the rear side of the game board 6 on the rear side of the game board mounting frame 30 in the upper mounting part 3b, and a pair of upper speakers 32 are detachably attached to the left and right ends of the upper part. It is installed.

  The game board 6 is formed in a substantially rectangular shape by a plywood board or the like, and as shown in FIG. 2, an outer rail for guiding a game ball fired by the launching means 5 to the upper side of the game area 6a is provided on the front side thereof. 33a and an inner rail 33b that constitutes at least a part of a peripheral wall that defines the periphery of the game area 6a, and a center case 34a having an image display means at the approximate center in the game area 6a. In addition, various game parts such as a passing gate 34b, an open / close winning means 34c, a large winning means 34d, and a normal winning means 34e are mounted.

  The outer rail 33a and the inner rail 33b are made of, for example, a metal plate, and the outer rail 33a is located at the left end side and the upper end of the game board 6 from a substantially central position in the left-right direction on the lower side of the game board 6 or a position slightly to the left. The inner rail 33b is arranged on the inner side so as to be parallel to the outer rail 33a from the upper left of the game board 6 to the substantially horizontal center on the lower side. The game board 6 extends in a substantially arc shape to the vicinity of the right edge of the game board 6. In addition, a decorative member 40 made of, for example, a synthetic resin having a substantially arc-shaped connecting rail portion 40a that connects between the end portions of the outer rail 33a and the inner rail 33b is disposed at the right end portion of the game board 6.

  Further, as shown in FIG. 5, a back cover 35 that covers game parts such as the center case 34 a from the rear side is mounted on the back side of the game board 6, and the main control board 36 a is provided on the back side of the back cover 35. The stored main board case 36, the effect board case 37 in which the effect control board 37a is stored, the liquid crystal board case 38 in which the liquid crystal control board 38a is stored, and the like are detachably mounted.

  The back cover 35 includes an upper cover 35a on the upper side and a ball collecting case 35b on the lower side, and the upper cover 35a and the ball collecting case 35b are individually attached to the game board 6, for example. . The ball collecting case 35b is provided with a discharge port 39 on the lower side, so that the game ball guided to the back side of the game board 6 by winning the big winning means 34d etc. is guided to the discharge port 39 side and discharged downward. It is configured.

  As shown in FIG. 2, FIG. 6, FIG. 7, etc., the game board mounting frame 30 has an upper support frame 41 provided on the inner peripheral side of the upper horizontal frame portion 4a and a lower support provided on the upper edge side of the lower mounting portion 3a. A rectangular shape whose front side is detachably opened by a frame 42, a left support frame 43 provided on the inner peripheral side of the left vertical frame portion 4c, and a right support frame 44 provided on the inner peripheral side of the right vertical frame portion 4d. Is formed. The upper, lower, left and right support frames 41 to 44 support the game board 6 at the upper, lower, left and right edges, respectively, and the peripheral wall portions 41 a to 44 a arranged along the outer peripheral surface of the game board 6 and the game board 6. And rear wall portions 41b to 44b arranged along the back surface.

  Further, on one side of the support frames 41 to 44, for example, the left support frame 43 side, for example, a front support part (front / rear support part) 43c that protrudes from the peripheral wall part 43a along the front side of the game board 6; For example, there is provided an urging means 43d which is arranged on the rear wall portion 43b or on the inner peripheral side thereof and which is made of a leaf spring or the like for urging the end portion (left end portion) of the game board 6 toward the front support portion 43c on the front side. The left edge portion of the game board 6 is sandwiched from three sides of the outer peripheral surface side and the front and rear side surfaces, and is pressed and supported by the urging means 43d to the front side, that is, the front surface support portion 43c side.

  A plurality of, for example, two locking means 45a and 45b for releasably fixing the game board 6 mounted on the game board mounting frame 30 from the front side are provided on or near the game board mounting frame 30.

  The locking means 45a and 45b are arranged corresponding to the end side opposite to the front support part 43c in the game board 6, for example, the upper locking means (first locking means) near the right end of the upper support frame 41. 45a is provided with lower locking means (second locking means) 45b near the right end of the lower support frame 42, respectively. The game board 6 has inwardly recessed notches 46a and 46b formed on the outer edge side, for example, corresponding to the locking means 45a and 45b.

  As shown in FIGS. 8 to 11 and the like, the locking means 45a and 45b include a lock member 51 that is rotatably mounted around a longitudinal axis in a mounting portion 47 provided on the game board mounting frame 30 side, A lock restricting member (rotation range restricting member) 52 that holds the lock member 51 in the mounting portion 47 and restricts the rotation of the lock member 51 within a predetermined range is provided.

  The mounting portion 47 is integrally formed on the back side of the rear wall portions 41b and 42b of the support frames 41 and 42, and is formed in a cylindrical shape in the front-rear direction with the rear end side opened. On the inner peripheral surface side of the mounting portion 47, groove-shaped or notched-shaped engaging portions 53 formed in the front-rear direction excluding a predetermined distance range from at least the rear end side are provided at a plurality of locations in the circumferential direction, for example, left and right It is provided in one place.

  The lock member 51 includes a support base 54 accommodated and held in the mounting portion 47, a shaft portion 55 projecting forward from the support base 54, and a fixed knob disposed on the front end side of the shaft portion 55. A portion (engagement portion) 56 and a pressing portion 57 disposed at an intermediate portion in the axial direction of the shaft portion 55 are integrally provided, for example, and the fixed knob portion 56 and the pressing portion 57 are provided on the rear wall portions 41b and 42b. The support base 54 is rotatably accommodated in the mounting portion 47 in a state of projecting to the front side through the insertion hole 58.

  The support base 54 is integrally provided with a cylindrical portion 59 along the inner periphery of the mounting portion 47 and a bottom plate portion 60 that substantially closes the front end side of the cylindrical portion 59, and a shaft corresponding to the center of the bottom plate portion 60. A portion 55 is projected forward. The cylindrical portion 59 has an axial length shorter than that of the mounting portion 47, and guide grooves 62 corresponding to the protruding portions 61 on the lock restricting member 52 side are formed at two locations in the circumferential direction, for example, at the rear edge portion. Is provided.

  The fixed knob portion 56 has both a function as an operation portion when performing a lock operation and a lock release operation, and a function as an engagement portion that engages with the front side of the game board 6 and fixes in the front-rear direction. The shaft portion 55 is provided so as to protrude from the front end side in the radial direction, for example, in two directions opposite to each other.

  In this embodiment, the state in which the fixed knob 56 is in the vertical direction is the unlocking position (indicated by a two-dot chain line in FIG. 10), and the sideways state in which the fixing knob 56 is rotated approximately 90 degrees clockwise from the unlocking position. It is in the locked position (shown by a solid line in FIG. 10), and in the unlocked position, the fixed knob 56 can pass back and forth without interfering with the notches 46a and 46b on the game board 6 side. The fixed knob 56 is adapted to engage with the front side of the game board 6 at the periphery of the notches 46a and 46b.

  Note that, for example, on the front side of the game board 6 and on the periphery of the notches 46a and 46b, for example, on both the left and right sides, the amount of protrusion to the front gradually increases corresponding to the rotation trajectory of the fixed knob 56 in the locking direction. An increasing inclined portion 63 is provided, and when the fixed knob 56 is rotated from the unlocked position to the locked position, the fixed knob 56 gradually rides on the inclined portion 63 and presses the game board 6 backward. It is like that.

  The pressing portion 57 presses the game board 6 in the board surface direction (direction along the board surface) in conjunction with the locking operation by the fixed knob 56, and is radially outward toward the axial middle portion of the shaft part 55. Are integrally formed in a protruding shape. The pressing portion 57 does not interfere with the notches 46a and 46b when the fixed knob 56 is in the vertically unlocked position, and is notched when the fixed knob 56 is rotated from the unlocked position to the locked position. The pressed parts 64c and 64d on the inner surface side of the parts 46a and 46b are pressed toward a predetermined origin position O along the board surface of the game board 6.

  In the present embodiment, the origin position O is set at the corner on the lower side and on the front support 43c side among the four corners of the gaming board mounting frame 30 (FIG. 2). The pressed parts 64c and 64d of the notches 46a and 46b are formed in a planar shape substantially perpendicular to a straight line connecting the origin position O and the axis of the locking means 45a and 45b, and the pressing part on the upper locking means 45a side. Reference numeral 57 denotes a pressed portion 64c obliquely downward toward the origin position O, and the pressing portion 57 of the lower lock means 45b presses the pressed portion 64d leftward toward the origin position O.

  The insertion hole 58 is formed in a shape that allows the fixed knob 56 and the pressing part 57 to pass back and forth, for example, in a state where the fixed knob 56 is oriented vertically.

  The lock restricting member 52 is integrally provided with a cylindrical portion 71 along the inner periphery of the mounting portion 47 and a front wall portion 72 that substantially closes the front end side of the cylindrical portion 71, and on the rear side of the support base 54 of the lock member 51. It is mounted in the mounting portion 47 so as to come into contact, for example, by press fitting.

  The cylindrical portion 71 is provided with engaging claws 73 at a plurality of locations in the circumferential direction, for example, at each of the left and right locations, corresponding to the engaging portion 53 on the mounting portion 47 side. The engaging claw 73 is formed between a pair of slits 74 formed forward from the rear end side of the cylindrical portion 71, and a claw portion 73a projects from the outer surface side and can be elastically deformed in the inner and outer directions. ing. When the lock restricting member 52 is fitted into the mounting portion 47 from the rear side, the engaging claw 73 is retracted inward, and when the front end side of the lock restricting member 52 contacts the rear end side of the lock member 51, The claw portion 73a of the engagement claw 73 is engaged with the engagement portion 53, and the lock restricting member 52 is held in the mounting portion 47 so as not to rotate.

  The front wall portion 72 is provided with a protrusion 61 corresponding to the guide groove 62 on the lock member 51 side on the front side. For example, the protruding portion 61 is arranged in a straight line extending through the center of the front wall portion 72 to reach the left and right edges.

  The guide groove 62 on the lock member 51 side includes a release-side engagement portion 62a with which the protrusion 61 engages when the fixed knob portion 56 is in the unlocked position (FIG. 12B), and a fixed knob portion 56. Is in the lock position (FIG. 12A) and is provided between the lock-side engagement portion 62b with which the projection 61 engages. As a result, the rotation range of the lock member 51 is the range in which the protrusion 61 on the lock restricting member 52 side engages with the guide groove 62, that is, the lock release position shown in FIG. 12B and the lock shown in FIG. It is regulated within a range of about 90 degrees between the positions.

  The guide groove 62 is provided with a shallow groove portion 62c having a groove depth shallower than other portions on the guide groove 62 at positions adjacent to the release side engaging portion 62a and the lock side engaging portion 62b. When the fixed knob 56 is switched from the unlocked position to the locked position, or from the locked position to the unlocked position, the protrusion 61 gets over these shallow grooves 62c and engages with the lock-side engaging part 62b and the release-side engaging part. It reaches the joint portion 62a and is held in the lock side engagement portion 62b and the release side engagement portion 62a.

  Further, a rib 77 is provided on the rear side of the lock restricting member 52 to engage with rotation preventing portions 75 and 76 described later. The ribs 77 are disposed along the back side of the front wall portion 72 so as to pass through the axis of the lock restricting member 52, and both end sides thereof are connected to the inner peripheral side of the cylindrical portion 71. Engaging grooves 75a and 76a of the rotation preventing portions 75 and 76 are engaged from the rear side in the vicinity of the portions. The rib 77 is arranged in a direction perpendicular to the arrangement position of the engaging claw 73 with respect to the axis of the lock restricting member 52, and is also perpendicular to the protrusion 61.

  The lock restricting member 52 is restricted not only to move backward in the mounting portion 47 but also to rotate as the engaging claw 73 engages with the engaging portion 53, but the lock restricting member 52 faces backward. However, a large force is applied to the rotation direction every time the lock operation and the lock release operation are performed. Therefore, in this embodiment, the engagement grooves 75a and 76a of the rotation prevention portions 75 and 76 are engaged from the rear side with the ribs 77 of the lock restriction member 52, thereby assisting the restriction of the rotation direction by the engagement claws 73. Even when a rotational force stronger than necessary is applied to the fixed knob 56, the lock restricting member 52 can be reliably prevented from rotating.

  Further, in the vicinity of the locking means 45a and 45b, the concave grooves 78 and 79 are provided in the front-rear direction corresponding to the fixed knob 56 in the periphery thereof. The knobs 78 and 79 that avoid the knob are, for example, concentric with the fixed knob 56 and have a larger diameter than the fixed knob 56 and are formed in the front-rear direction along the axis of the fixed knob 56. The gripping avoidance concave groove 78 on the upper lock means 45a side is formed on the peripheral wall portion 41a of the upper support frame 41, and the grip avoidance concave groove 79 on the lower lock means 45b side is provided on the upper surface of the speaker box 28 of the lower speaker 26. 28a is provided respectively.

  In order to secure the game area 6a as wide as possible on the game board 6, the lock means 45a and 45b need to be arranged so as to hold the vicinity of the outer edge side of the game board 6 as much as possible. 45b approaches the peripheral wall portions 41a to 44a of the game board mounting frame 30, and there is a problem that the fixed knob portion 56 becomes extremely difficult to operate. In this embodiment, since the concave grooves 78 and 79 are provided in the vicinity of the locking means 45a and 45b, the locking means 45a and 45b are arranged at positions corresponding to the vicinity of the outer edge side of the game board 6. Nevertheless, the operation of the fixed knob 56 can be performed very easily.

  Furthermore, by providing the speaker box 28 of the lower speaker 26 with a concave groove 79, interference between the speaker box 28 and the fixed knob 56 can be prevented when the lower speaker 26 is attached or detached.

  Further, as shown in FIGS. 6, 7, and 13, a glass door is provided on the inner peripheral side of the game board mounting frame 30, for example, the peripheral wall portion 43 a on the left support frame 43 side and the peripheral wall portion 44 a on the right support frame 44 side. Corresponding to the outer edge of the glass unit 17 when 10 is closed, glass avoidance concave grooves 81 and 82 are provided. The glass avoidance concave grooves 81 and 82 are formed in a substantially cylindrical surface shape corresponding to the shape of the outer peripheral surface of the glass unit 17 and are provided in a range of a predetermined width facing backward from the front edge side of the peripheral wall portions 43a and 44a. The glass avoidance concave groove 82 corresponding to the opposite side of the hinge 11, that is, the opening / closing end side of the glass door 10 is used when the front recess 82 a having a predetermined width on the front end side corresponding to the glass unit 17 opens and closes the glass door 10. Corresponding to the movement trajectory of the outer edge portion of the glass unit 17, the recess depth is formed larger on the front end side than on the rear end side.

  Further, as shown in FIGS. 7 and 13, the inner peripheral side of the game board mounting frame 30, for example, the peripheral wall portion 44 a on the right support frame 44 side has a front side of the game board 6 and a rear side of the glass unit 17. A board ornament avoiding concave groove 83 is provided corresponding to the game area 6a. The board decoration avoiding concave groove 83 is formed in, for example, a substantially cylindrical surface shape corresponding to the outer peripheral surface of the decorative member 40 mounted on the front surface side so as to project to the right end side of the game board 6.

  As shown in FIGS. 6, 7, and the like, the rear case 31 has upper and lower peripheral wall portions 91 to 94 arranged along the outer peripheral surface of the back cover 35 on the back side of the game board 6, and the back surface of the back cover 35. It is comprised with the rear wall part 95 arrange | positioned along. The rear wall 95 is provided with an opening 96 in the center of which the board cases 36 to 38 on the back side of the game board 6 are fitted, and an opening / closing cover 97 that covers the opening 96 from the rear side so as to be opened and closed. (FIG. 3) is detachably mounted.

  As shown in FIG. 6, the lower peripheral wall portion 92 of the rear case 31 has a notch 98 corresponding to the discharge port 39 of the ball collecting case 35 b and an out port 99 (FIG. 2) of the game board 6. There is provided an inclination guide portion 100 for guiding the game ball guided to the back side to the rear notch portion 98 side.

  Further, as shown in FIGS. 7, 14, and 15, a rear cover fitting portion 101 that protrudes outward toward the game board mounting frame 30 is formed on the right peripheral wall portion 94 of the rear case 31. The bulging portion 105 on the back cover 35 side is fitted to the back cover fitting portion 101 from the inside. The back cover fitting portion 101 has a side wall portion 102 smoothly connected to the peripheral wall portion 44 a of the right support frame 44 in the front-rear direction, and a rear wall portion 44 b of the right support frame 44 corresponds to the back cover fitting portion 101. The part to perform is missing.

  The side wall portion 102 of the back cover fitting portion 101 has its rear side facing inward, that is, the opening 96 side so that the rear case 31 does not interfere with the outer frame 2 when opening and closing the front frame 3 (14, FIG. 15). It becomes the inclined part 102a which inclines to. By providing the inclined portion 102a, when the game board 6 is attached to or detached from the game board mounting frame 30, that is, with the left end side of the game board 6 engaged with the left support frame 43 side, It is also possible to prevent interference between the back cover 35 and the front frame 3 when moving the camera forward or backward.

  The upper wall portion 103 and the lower wall portion 104 of the back cover fitting portion 101 are inclined outwardly toward the side wall portion 102, that is, inclined surfaces 103a and 104a that are lowered to the right and raised to the right, and the inclined surfaces 103a and 104a, It is comprised by the horizontal surfaces 103b and 104b extended outward toward the surrounding wall part 44a from the lower edge part of 104a, and the upper edge part.

  By providing such a back cover fitting portion 101, it is possible to arrange game parts up to the vicinity of the outer edge side of the game board 6 in correspondence with the game area 6 a expanded to the full outer edge side of the game board 6. Moreover, it is possible to prevent interference with the outer frame 2 when the front frame 3 is opened and closed, and interference with the front frame 3 when the game board 6 is attached and detached.

  On the back side of the rear case 31, as shown in FIG. 3, for example, a game ball tank unit 113 having a game ball tank 111 and a tank rail 112 on the upper side of the opening 96 is arranged on one side of the opening 96. For example, a payout unit 116 having a payout means 114 and a payout passage 115 on the left side is detachably mounted, and when a game ball wins a winning opening such as a big winning means 34d or an automatic ball not shown in the figure. When there is a ball lending instruction from the lending machine, the game balls in the game ball tank 111 are paid out by the payout means 114 through the tank rail 112, and the game balls are guided to the supply tray 12 through the payout passage 115 and the payout port 25. It is supposed to be.

  As shown in FIG. 16, the game ball tank unit 113 includes a dish-like game ball tank 111 that is open on the upper side, and a tank rail that projects laterally from one end in the left-right direction of the game ball tank 111, for example, from the left end. 112, and is detachably mounted from the rear side on a tank unit mounting portion 117 (FIGS. 6 to 8) that is recessed in the upper peripheral wall portion 91 of the rear case 31.

  In the game ball tank unit 113, a rotation preventing portion 75 is projected from the front side wall 118 in a forward direction, for example, corresponding to the rear side of the upper lock means 45a. An engagement groove 75a is formed on the front end side of the rotation preventing portion 75, and when the game ball tank unit 113 is mounted on the rear side of the front frame 3, the engagement groove 75a becomes the upper lock means 45a. It engages with the rib 77 on the side from the rear side to restrict the rotation of the lock restricting member 52.

  A substrate mounting base 121 is detachably mounted below the rear case 31 and on the back side of the lower mounting portion 3a. For example, a power board 122 is stored on the back side of the substrate mounting base 121. A power supply board case 123 and a payout board case 125 storing the payout control board 124 are detachably mounted.

  As shown in FIG. 17, the substrate mounting base 121 is provided with a rotation preventing portion 76 in which a vertical ball discharge passage 126 is detachably mounted on the front surface side and an engagement groove 76 a is formed on the front end side. When the board mounting base 121 is mounted on the rear side of the front frame 3, the ball discharge passage 126 communicates with the lower side of the notch 98 on the rear case 31 side, and the rotation prevention unit 76. The engagement groove 76a is engaged with the rib 77 on the lower lock means 45b side from the rear side to restrict the rotation of the lock restricting member 52.

  As described above, in the pachinko machine according to the present embodiment, the locking means 45 a and 45 b that can fix the game board 6 in the front-rear direction within the game board mounting frame 30 are interlocked with the engaging operation by the fixed knob 56. Since the pressing portion 57 that presses the game board 6 toward the origin position O in the game board mounting frame 30 in the board surface direction is provided, the game board 6 is not only in the front-rear direction but also in the direction along the board surface at a predetermined position. Accurate positioning is possible.

  Further, since one corner of the game board mounting frame 30 is set as the origin position O, the board surface direction can be accurately positioned only by pressing the game board 6 obliquely toward the corner.

  Since the front support 43c that supports one end side in the left-right direction of the game board 6 in the front-rear direction is provided, and the locking means 45a and 45b are disposed corresponding to the opposite end of the front support 43c. The board 6 can be reliably supported also in the front-rear direction.

  The locking means 45a and 45b are provided with a fixed knob portion 56 and a pressing portion 57, and a lock member 51 that is rotatably mounted around a longitudinal axis in a mounting portion 47 provided on the game board mounting frame 30 side. And a lock restricting member 52 that is mounted in the mounting portion 47 together with the lock member 51 and restricts the rotation of the lock member 51 within a predetermined range, and prevents rotation of the lock restricting member 52 in the mounting portion 47. Since the portions 75 and 76 are provided, even when a rotational force greater than necessary is applied to the fixed knob portion 56, the rotation of the lock restricting member 52 is reliably prevented, and the rotation of the lock member 51 is kept within a predetermined range. It is possible to regulate with certainty.

  A game board mounting frame 30 is provided on the front frame 3 that can be opened and closed with respect to the outer frame 2, and a board mounting table 121 that is detachably mounted on the front frame 3, and a rotation prevention unit 75 on the game ball tank unit 113. , 76 are integrally provided, the number of parts is not increased and the assembly process is not complicated.

  As mentioned above, although embodiment of this invention was explained in full detail, this invention is not limited to these embodiment, A various change is possible in the range which does not deviate from the meaning of this invention. For example, in the embodiment, the example in which the two locking means 45a and 45b are provided is shown, but the number of the locking means may be one, or three or more. The locking means preferably presses the game board 6 toward the origin position O by the pressing portion 57, but when two or more locking means are provided, the pressing direction by the pressing portion 57 is at least a component in the vertical direction. One or more may be provided, and one having a component in which the pressing direction by the pressing portion 57 has at least a component in the left-right direction.

  In the embodiment, the front support part (front / rear support part) 43c is provided on one end in the left-right direction of the game board mounting frame 30, and the lock means 45a, 45b are provided corresponding to the other end in the left-right direction. A support part (front / rear support part) 43c may be provided on one end side in the vertical direction of the game board mounting frame 30, and the lock means 45a and 45b may be provided corresponding to the other end side in the vertical direction.

  The rotation preventing portions 75 and 76 may be provided on components other than the board mounting base 121 and the game ball tank unit 113. Further, the rotation preventing portions 75 and 76 may be provided separately from other components, and may be detachably attached to the front frame 3, the board mounting base 121, the game ball tank unit 113, and the like.

  The game board mounting frame 30 may be used to attach and detach the game board 6 from the rear side. The present invention is not limited to pachinko machines and can be similarly implemented in various ball game machines such as an arrangement ball machine and a sparrow ball game machine.

1 is an overall perspective view of a pachinko machine showing an embodiment of the present invention. It is a front view in the state where a glass door and a front opening / closing plate of a pachinko machine showing one embodiment of the present invention were removed. It is a rear view of the pachinko machine which shows one Embodiment of this invention. It is a perspective view of the glass door of the pachinko machine which shows one embodiment of the present invention. It is a rear view of the game board of the pachinko machine which shows one Embodiment of this invention. It is a perspective view of the front frame simple substance of the pachinko machine which shows one embodiment of the present invention. It is a perspective view of the front frame simple substance of the pachinko machine which shows one embodiment of the present invention. It is principal part side sectional drawing of the pachinko machine which shows one Embodiment of this invention. It is principal part plane sectional drawing of the pachinko machine which shows one Embodiment of this invention. It is a front view of the locking means vicinity of the pachinko machine which shows one Embodiment of this invention. It is a disassembled perspective view of the locking means of the pachinko machine which shows one Embodiment of this invention. It is explanatory drawing which shows operation | movement of the locking member of the pachinko machine which shows one Embodiment of this invention. It is principal part plane sectional drawing which shows the fitting state of the glass avoidance ditch | groove and glass unit of a pachinko machine which shows one Embodiment of this invention, and a decoration member and a board ornament avoidance ditch | groove. It is principal part plane sectional drawing which shows the relative relationship of the back cover fitting part of a pachinko machine which shows one Embodiment of this invention, a back cover, and an outer frame. It is principal part plane sectional drawing which shows the relative relationship of the back cover fitting part of a pachinko machine which shows one Embodiment of this invention, a back cover, and an outer frame. It is a top view of the game ball tank unit of the pachinko machine which shows one embodiment of the present invention. It is a top view of the board | substrate mounting base of the pachinko machine which shows one Embodiment of this invention.

Explanation of symbols

6 game board 6a game area 30 game board mounting frame 43c front support part (front / rear support part)
45a Upper lock means (first lock means)
45b Lower locking means (second locking means)
51 Lock Member 52 Lock Restriction Member (Rotation Range Restriction Member)
56 Fixed knob (engaging part)
57 Pressing part 75 Rotation preventing part 76 Rotation preventing part 113 Game ball tank unit 121 Board mounting base O Origin position

Claims (7)

A game board (6) provided with a game area (6a) on the front side, and a game board mounting frame (30) configured to hold the game board (6) and open on the front side or the rear side so that the game board is detachable. The engaging portion (56) is detachably engaged with the front side or the rear side of the game board (6), whereby the game board (6) is moved in the front-rear direction within the game board mounting frame (30). In the ball game machine provided with the lock means (45a, 45b) that can be fixed, the lock means (45a, 45b) is interlocked with the engagement operation by the engagement portion (56) to play the game board (6 ) pressed portion on (64c, provided with a pressing portion for pressing in the direction along the board surface toward a predetermined origin position in 64d) the game board mounting frame (30) (O) a (57), said game board One corner of the mounting frame (30) is the origin position (O), and the pressed portion (6 c, 64d), said origin position (O) and said locking means (45a, 45b) and a ball-shooting game machine, characterized in that formed in a substantially perpendicular plane to the line connecting the. First locking means (45a) in which the pressing direction by the pressing part (57) has at least a vertical component, and second locking means (45b) in which the pressing direction by the pressing part (57) has at least a horizontal component. The ball game machine according to claim 1 , wherein one or more of each is provided. The game board (6) includes a front / rear support portion (43c) that supports one end side in the left-right direction or the up-down direction in the front-rear direction, and the locking means corresponds to the opposite end side of the front-rear support portion (43c). The ball game machine according to claim 1 or 2 , wherein (45a, 45b) are arranged. The locking means (45a, 45b) includes the engaging portion (56) and the pressing portion (57), and is mounted in the mounting portion (47) provided on the game board mounting frame (30) side in the front-rear direction. A lock member (51) mounted rotatably around the shaft, and a rotation range mounted in the mounting portion (47) together with the lock member (51) and restricting the rotation of the lock member (51) to a predetermined range. 2. A rotation preventing portion (75, 76) that includes a restricting member (52) and that prevents the rotation range restricting member (52) from rotating within the mounting portion (47). The bullet ball game machine according to any one of to 3 . The game board mounting frame (30) is provided in a front frame (3) mounted to be openable and closable with respect to the outer frame (2), and the rotation is applied to a predetermined part that is detachably mounted on the front frame (3). The ball game machine according to claim 4 , wherein the blocking portion (75, 76) is provided integrally. The ball game machine according to claim 5 , wherein the rotation preventing portion (76) is integrally provided on a substrate mounting base (121) that is detachably mounted on the rear side of the front frame (3). . The bullet according to claim 5 or 6 , wherein the rotation preventing portion (75) is integrally provided in a game ball tank unit (113) that is detachably mounted on the rear side of the front frame (3). Ball game machine.

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