JP4754879B2 - Board case device for gaming machine - Google Patents

Description

  The present invention relates to a board case device for a gaming machine in which a control board for controlling a game is accommodated in the board case.

Conventionally, in gaming machines such as slot machines and pachinko machines, a control board on which electronic parts such as CPU, RAM, and ROM for controlling the game are mounted in a transparent board case, and the electronic parts on the control board are illegally used. The substrate case is sealed by fixing the sealing portion of the substrate case with a shaft-shaped sealing means made of synthetic resin so that unauthorized modification such as replacement cannot be performed. Also, when it is necessary to open the substrate case, such as when inspecting the control substrate, the cutting portion of the sealing portion fixed by the sealing means is cut with a tool such as a nipper. (For example, refer to Patent Document 1).
JP 11-239650 A

  However, the board case device of the gaming machine described in the above-mentioned Patent Document 1 prevents an illegal act of removing the sealing means from the sealing portion, for example, by deforming the tip of the sealing means with an unauthorized tool. A back plate is bonded to the substrate case by high frequency bonding or the like, and a portion where the tip of the sealing means is engaged with the back plate is closed. However, in this structure, the sealing means can be removed illegally by improperly processing the bonded back plate, and the sealing means can be damaged or sealed by forcibly opening the substrate case. There is a possibility that the substrate case is illegally opened by, for example, coming off from the stop.

  In view of the conventional problems, an object of the present invention is to provide a board case device for a gaming machine that can reliably prevent unauthorized opening of the board case.

According to the present invention, the above problem is solved as follows.
(1) A base bracket fixed in the gaming machine, a control board for controlling a gaming operation, and a board case fixed to the surface of the base bracket, the sealing portion provided on the board case, At the attachment position where the fixed portion provided on the base bracket overlaps, the opening of the substrate case is sealed by fixing the sealing portion to the fixed portion with a shaft-shaped sealing means. In the board case device of the gaming machine, the sealing means has a shaft portion that can be engaged with the fixed portion by being inserted into the sealing portion at the attachment position, and the board case. The first case so that the first case body disposed on the surface of the base bracket and the control board disposed on the front surface of the first case body can be held together with the first case body. Front of body A mounting piece that can be mounted on the base bracket, and a bent piece that extends upward from the front end of the mounting piece. A protruding portion provided above the placement piece and projecting upward provided on the upper portion of the second case body is engageable forward, and the sealing portion is fixed Before fixing to the part, the board case can be set at the mounting position by sliding along the front surface of the base bracket, and the bent piece is placed on the front surface of the second case body at the mounting position. engage, further said protrusion of the second case body is engaged with the said blocking unit that is assumed to prevent the opening of the board case.

(2) In the above (1) term, the second case member has one end openably pivoted to said first case body, possess the sealing portion to the other end, the said base bracket The bent piece engages with the front surface of the second case body near the other end .

(3) In the above (1) or (2) term, the sealing means may be formed by synthetic resin, the shaft portion, a first elastic pawl capable retaining engaging the fixed portion , and a retainer engageable with the second elastic claws in the sealing portion.

(4) In the above item (3), said second elastic claw of the sealing means retaining engagement in the sealing portion.

According to the present invention, the following effects can be obtained.
(A) According to the first aspect of the present invention, by providing the bent piece on the base bracket, it is possible to reliably prevent unauthorized opening of the substrate case without imposing a load on the sealing means.

(B) According to the invention described in claim 2, since the blocking means engages with the second case body in the vicinity of the sealing portion, it is possible to more reliably prevent the substrate case from being opened.

(C) According to the invention described in claim 3, since the first elastic claw of the sealing means is engaged with the fixed portion and the second elastic claw is engaged with the sealing portion, the sealing means is sealed. Unauthorized removal from the stop can be reliably prevented. Further, even if the first elastic claw is illegally deformed, the second elastic claw is prevented from being engaged with the sealing portion, so that unauthorized removal of the sealing means can be prevented.

(D) According to the invention described in claim 4, since the second elastic claw is retained in the sealing portion and is not exposed from the sealing portion, the second elastic claw is prevented from being illegally deformed. It is possible to prevent the unauthorized removal of the sealing means more reliably.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1 is a front view of a gaming machine (slot machine) to which the present invention is applied, FIG. 2 is a front view of the gaming machine with a front door opened, and FIGS. 3 and 4 are perspective views of a control board unit. 5 is an exploded perspective view of the control board unit, FIGS. 6 and 7 are enlarged vertical cross-sectional views of the main part, and FIGS. 8 and 9 are enlarged cross-sectional views of the main part. In the following description, the front side of the page in FIGS. 1 and 2 is the “front or front side” of the gaming machine, the back side of the page in FIGS. 1 and 2 is the “rear or back side”, and the left side in FIGS. Is “left”, and the right side is “right” in FIGS.

  A slot machine as a gaming machine (1) has a rectangular front housing (2) whose front (front) is open, and a pair of upper and lower hinge shafts (4) facing the left and right sides of the housing (2). ) And a front door (3) pivotally supported by the door.

  In the housing (2), there are three rotating reels (6) capable of changing and stopping display of identification information composed of a plurality of types of symbols and numbers, and medals (including coins) as game media. A hopper unit (7) capable of storing and dispensing, and a control board unit (100) in which a main control board (8) for overall control of the entire game is housed in a transparent board case (14) described later. Based on the control signal output from the main control board (8), the control signal can be output to the liquid crystal display unit (31) provided on the back side of the front door (3) and capable of displaying various game information and effects. A secondary control board (9) and a power supply device (11) for supplying power to the main control board (8) and other devices are accommodated.

  On the front of the front door (3), the game information display window (34) through which the game information and effects displayed on the liquid crystal display unit (31) can be seen through, and the identification information of each rotary reel (6) are seen through. Possible identification information display window (35), a plurality of information display windows (36) through which various information displayed on a central substrate (not shown) provided on the back of the front door (3) can be seen, when playing a game A medal slot (37) for inserting medals, a MAX bet button (38) for setting the maximum number of medals bet (3), and a single bet button (39) for setting the number of medals to 1 A start lever (40) that is operated when rotating all the rotating reels (6), three stop buttons (41) that are operated when stopping the rotation of each rotating reel (6), and the like are provided. ing.

  The game of the gaming machine (1) starts after the player inserts a medal into the medal slot (37) and then sets the bet number of medals with the MAX bet button (38) or single bet button (39). This is started by operating the lever (40) to rotate all the rotating reels (6).

  After a predetermined time has elapsed after the rotating reel (6) has rotated, the three stop buttons (41) are sequentially operated to stop the rotation of each rotating reel (6), and the stopped three rotating reels ( 6) Based on the combination of identification information, the number of medals distributed according to the presence or absence of a prize and the size of the prize is determined. When a prize is awarded, a medal tray (7) The medal is paid out in 3a).

  In the present embodiment, the gaming machine (1) is described as a slot machine in which the game medium is a medal (including coins). However, the present invention is not limited to this, and the gaming machine (1) It may be a pachinko machine or slot machine in which the game medium is a pachinko ball.

  The control board unit (100) includes the above-described main control board (8), a transparent synthetic resin board case (14) that accommodates the main control board (8), and a metal to which the board case (14) is fixed. And a plurality of (six in this embodiment) sealing pins (16) serving as shaft-shaped sealing means for sealing the substrate case (15).

  The substrate case (14) includes a first case body (12) disposed on the front surface of the base bracket (15), and a second case body (13) provided on the front surface of the first case body (12) so as to be freely opened and closed. And is fixed to the rear plate (21) in the housing (2) via the base bracket (15). The second case body (13) is fitted to the upper and lower semi-cylindrical parts (12a) provided at the left end of the first case body (12), so that the first case body (12) It is pivotally supported on the front so that it can be opened and closed.

  The main control board (8) is accommodated vertically while being held between the first case (12) and the second case body (13), and the game operation is integrated on the front surface. A plurality of board-side connectors (82) to which electronic components (81) to be controlled and external connectors (not shown) are connected are mounted, and various electronic components (81) and each board-side connector (82) are printed wiring ( (Not shown).

  The first case body (12) has a box-shaped first housing part (121) that covers the rear side of the main control board (8), and protrudes forward from the right part of the first housing part (121). In addition, upper and lower engaging claws (122) that are elastically deformable in the vertical direction are provided, and at the right end, symbols (137) [A] to [137] engraved on the right front surface of the second case body (13) Two upper and lower first sealing portions (124) corresponding to “A” and “F” of “F” (given only in FIG. 3) are provided, and projecting upward on the upper left portion. A cylindrical protrusion (125) is provided, and further, above the first sealing portion (124) on the upper side (corresponding to symbol (137) “A”), a cutout (126 ) Is provided.

  The second case body (13) has a box-shaped second housing part (131) that covers the surface of the main control board (8). Below the second housing part (131), a board-side connector (82 A plurality of openings (135) for exposing the same), a protrusion (138) projecting upward is provided on the right side of the upper surface, and the first case body ( The engagement claw (122) of 12) is elastically engaged, and an engagement hole (132) for holding the second case body (13) in a closed state with respect to the first case body (12) is provided.

  At the right end of the second housing part (131), a sealing pin (16) is attached to the first sealing part (124) of the first case body (12). Symbols (137) “A”, “ The upper and lower second sealing portions (133) corresponding to “F” and the sealing pin (16) are fixed to a fixed portion (152) described later provided on the right portion of the base bracket (15). Four third sealing portions (134) corresponding to the symbols (137) “B” to “E” are provided. Each sealing part (133) (134) is connected to the second housing part (131) in a separable manner via a thin-walled cutting part (136) facing in the lateral direction.

  Each sealing pin (16) is integrally formed of a synthetic resin material together with the connecting plate (18) in the vertical direction, and the connecting plate (18) so as to correspond to the symbols (137) “A” to “F”. Are connected to each other via a thin-walled cut portion (18a), and can be individually separated from the connecting plate (18) by cutting the cut portion (18a).

  The sealing pin (16) has an enlarged diameter flange part (161) connected to the cutting part (18a), and a shaft part (162) protruding rearward from the back surface of the flange part (161). The portion (162) includes a first elastic claw (163) that can be elastically deformed inwardly and can be engaged with a fixed portion (152) of the base bracket (15), and a first case of the second case body (13). A second elastic claw (164) that can be elastically deformed is provided on the inner side of the three sealing portion (134) so as to be able to be retained.

  Since all the sealing pins (16) have the same shape, in order to simplify the drawings, in FIGS. 6 and 7, the flange portion (161), the shaft portion (162), the first elastic claw (163), The symbols of the second elastic claw (164) and the cutting part (18a) are attached only to the sealing pins (16) corresponding to the symbols (137) “A”, “B”, “F”, and other locking The pin (16) is omitted.

  As shown in FIGS. 6, 7 and 8, the first sealing portion (124) of the first case body (12) faces forward (leftward in FIGS. 6 and 7, downward in FIG. 8) and rearward. It has a bottomed cylindrical shape with a closed inner hole (124b) (right in FIGS. 6 and 7, upper in FIG. 8), and its front wall (124a) has a smaller diameter than the inner diameter of the inner hole (124b). In addition, a reduced diameter hole (124c) through which the first elastic claw (163) of the sealing pin (16) can pass while being elastically deformed is provided. The first elastic claw (163) of the sealing pin (16) that has passed through the reduced diameter hole (124c) engages with the back side of the front wall (124a) in the internal hole (124).

  A lateral opening (124d) formed when the inner hole (124b) is molded in the first sealing portion (124) is provided on the outer periphery of the first sealing portion (124). The internal hole (124b) is obtained by attaching a slide core corresponding to the shape of the internal hole (124b) and the opening (124d) to the cavity of the resin mold when the first case body (12) is resin-molded. Molded.

  As shown in FIGS. 6, 7, and 8, the second sealing portion 133 has a cylindrical hole 133 a in the front-rear direction so that the shaft portion 162 of the sealing pin 16 can be inserted from the front. ) And can be fitted to the outer periphery of the first sealing portion (124) so as to close the opening (124d) of the first sealing portion (124). The inner diameter of the cylindrical hole (133a) is slightly larger than the flange (161) of the sealing pin (16).

  A partition wall (133b) for partitioning the cylindrical hole (133a) forward and backward is provided in the second sealing portion (133). The partition wall (133b) has a diameter smaller than the inner diameter of the cylindrical hole (133a) In addition, a diameter-reduced hole (133c) through which each elastic claw (163) (164) of the sealing pin (16) can pass while being elastically deformed is provided. When the second sealing portion (133) is fitted to the outer periphery of the first sealing portion (124), the rear surface of the partition wall (133b) and the front wall (124 of the first sealing portion (124)). ) Is separated by a predetermined amount in the front-rear direction.

  As shown in FIGS. 6, 7 and 9, the third sealing portion 134 is arranged so that the shaft portion 162 of the sealing pin 16 can be inserted from the front (downward in FIG. 9). In the state where the board case (14) is fixed to the base bracket (15), the rear end is in front of the fixed part (152) of the base bracket (15). It comes to contact.

  A partition wall (134b) that partitions the cylindrical hole (134a) forward and backward is provided in the third sealing portion (134), and the partition wall (134b) has a diameter smaller than the inner diameter of the cylindrical hole (134a). In addition, a diameter-reduced hole (134c) through which each elastic claw (163) (164) of the sealing pin (16) can be passed while being elastically deformed is provided. Note that the third sealing portion (134) has the same dimensions as the second sealing portion (133) except that the front-rear length is set shorter than that of the second sealing portion (133).

  Since the four third sealing portions (134) all have the same shape, in order to simplify the drawings, the cylindrical hole (134a), the partition wall (134b), and the reduced diameter hole ( The reference numeral 134c) is attached only to the third sealing portion (134) corresponding to the symbol (137) “B”, and the other third sealing portions (134) are omitted.

  The base bracket (15) is fixed to the rear plate (21) in the housing (2) with a plurality of set screws (17), and is sealed at the right end of the base (151) having a rectangular shape in front view. A fixed portion (152) to which the third sealing portion (134) is fixed is provided with a pin (16). Similarly, the left side of the upper surface is open, and the first case body (12) protrudes. A blocking portion (157) having a notch portion (157a) facing in the left-right direction to which the portion (125) can be engaged is provided. Similarly, the left side of the upper surface right portion is open, and the second case body (13) A blocking portion (158) having a notch (158a) that forms a blocking means facing in the left-right direction to which the protrusion (138) can be engaged is provided. A mounting piece (159) on which the lower surface of 14) can be mounted is provided. On the left and right ends of the mounting piece (159), there are provided bent pieces (159a) that are bent upward and form blocking means that can be engaged with the lower front portion of the second case body (13).

  The fixed portion (152) includes a front plate portion (153) that forms the front surface, the upper and lower surfaces, and the left and right side surfaces, and a rear plate portion (154) that forms the rear surface, as shown in FIGS. As described above, the front plate portion (153) and the rear plate portion (154) form a space portion (155) closed in all directions. The front plate portion (153) has a front surface corresponding to each of the third sealing portions (134), and the first elastic claws (163) of the sealing pins (16) can be inserted while being elastically deformed 4 A single locking hole (156) is formed. The first elastic claw (163) of the sealing pin (16) enters the space portion (155) and engages with the back side of the front plate portion (156).

  The blocking part (157) holds the left part of the first case body (12) on the base bracket (15) by engaging with the protrusion (125). The blocking portion (158) and the bent piece (159a) engage with the protrusion (138) and the lower front portion of the second case body (13), respectively, thereby blocking the opening of the second case body (13). . Further, since the blocking portion (158) and the right bent piece (159a) engage with the right portion of the second case body (13), that is, in the vicinity of the third sealing portion (134), the second case body. It is possible to effectively prevent the second case body (13) from being opened by engaging with a position away from the rotation center (left end portion) of (13).

  As shown in FIG. 4, the board case (14) is placed on the mounting piece (159a) of the base bracket (15), and is placed to the right of the direction orthogonal to the insertion direction of the sealing pin (16) (see FIG. 4 is set in the mounting position shown in FIG. 3 (position where the third sealing portion (134) overlaps with the locking hole (156) of the fixed portion (152)). The

  When the board case (14) is in the mounting position, as shown mainly in FIG. 3, the protrusion (125) of the first case body (12) is in the notch (157a) of the blocking portion (157), and The protrusion (138) of the second case body (13) engages with the notch (158a) of the blocking portion (158), and the left and right bent pieces (159a) of the base bracket (15) are second Engagement with the lower part of the front surface of the case body (13) prevents the opening of the second case body (13). Therefore, the board case (14) is slid from the mounting position to the left (in the direction of arrow A in FIG. 3), and the second case body (13) is engaged with the blocking portion (158) and the bent piece (159a). The second case body (13) cannot be opened unless the joint relationship is removed.

  As shown in FIG. 6, the sealing pin (16) is temporarily fixed by being inserted shallowly into each of the sealing portions (133) and (134). As shown in FIGS.

  When in the temporarily fixed state, the sealing pin (16) has the shaft portion (162) inserted into the cylindrical hole (133a) (134a) of each sealing portion (133) (134), and the first elastic claw ( 163) is engaged with the back surface of each partition wall (133b) (134b) in each sealing part (133) (134), and is held so as not to fall off from each sealing part (133) (134). The

  When in the fully locked state, the sealing pin (16) inserted into the second sealing portion (133) has the first elastic claw (163) as shown in FIG. 124) in the inner hole (124b) of the front wall (124a) in the inner hole (124b), and the second elastic claw (164) is separated into the partition wall (133b) in the second sealing portion (133). In a state where the second sealing part (133) is fixed to the first sealing part (124) in a state of being engaged with the back side of the substrate, the substrate case (14) is sealed.

  Further, the sealing pin (16) inserted into the third sealing portion (134) has a second elastic claw (164) partitioned within the third sealing portion (134) as shown mainly in FIG. When the first elastic claw (163) is engaged with the rear surface of the front plate (156) of the fixed portion (152), the third sealing is performed. The stop portion (134) is fixed to the fixed portion (152) of the base bracket (15), and the substrate case (14) is sealed.

  Since the first elastic claw (163) of the sealing pin (16) engaged with the fixed portion (152) is retained by the front plate portion (153) and the rear plate portion (154), Thus, the first elastic claw (163) is illegally deformed inward, and the illegal act of removing the sealing pin (16) from the fixed portion (152) is surely prevented. Opening can be reliably prevented.

  Furthermore, even when the rear plate portion (154) of the fixed portion (152) is illegally processed, it is possible to prevent the substrate case (14) from being illegally opened. That is, even if the first elastic claw (163) of the sealing pin (16) can be illegally deformed so as to come out of the locking hole (156) of the fixed portion (152), the second elastic claw ( 164) is engaged with the third sealing portion (134) so that the sealing pin (16) cannot be removed from the third sealing portion (134). The shaft portion (162) including the first elastic claw (163) cannot be removed from the fixed portion (152). As a result, as long as the shaft portion (162) is inserted into the locking hole (156), the board case (14) cannot be displaced from the mounting position, and the second case body (13) cannot be opened. .

  Next, the assembly procedure and operation of the control board unit (100) will be described. First, the main control board (8) is accommodated between the first case body (12) and the second case body (13), and the engagement claw (122) is engaged with the engagement hole (132) to form the board. Close the case (14).

  Next, the connecting plate (18) to which each sealing pin (16) is connected is fitted to the second case body (12), and each sealing pin (16) is connected to each sealing portion (133). The first elastic claw (163) passes through the reduced diameter holes (133c) and (134c) of the respective sealing portions (133) and (134) while being elastically deformed, and is inserted into each of the cylindrical holes (133a). ) (134a) is set in a temporarily fixed state in which the partition walls (133b) and (134b) are engaged with each other on the back surface side.

  After the sealing pin (16) is temporarily fixed, only the sealing pin (16) temporarily held by the second sealing portion (133) corresponding to the symbol (137) “A” is further fixed to the final fixed state. Push deeply. As a result, the flange portion (161) of the sealing pin (16) contacts the front surface of the partition wall (133b) of the second sealing portion (133), and the first elastic claw (163) moves to the first sealing portion. It passes through the diameter-reduced hole (124c) of the stopper (124) while being elastically deformed, and is engaged with the rear surface side of the front wall (124a) to prevent it from being removed, and the second elastic claw (164) is second sealed It passes through the diameter-reduced hole (133c) of the portion (133) while being elastically deformed, and engages with the back side of the partition wall (133b). As a result, the second sealing portion (133) corresponding to the symbol (137) “A” is fixed to the first sealing portion (124), and the substrate case (14) is sealed.

  In a state where the second sealing portion (133) is fixed to the first sealing portion (124), the internal hole (124b) including the opening (124d) of the first sealing portion (124) is formed in the first sealing portion (124). Since it is closed by the second sealing portion (133) fitted to the outer periphery of the sealing portion (124), the first elastic claw of the sealing pin (16) that is engaged with the internal hole (124) is retained. (163) can be deformed inward by a fraudulent tool to prevent fraudulent acts such as removing the sealing pin (16).

  The substrate case (14) sealed with the sealing pins (16) is attached to the housing (2) as follows. First, as shown in FIG. 4, the lower part of the substrate case (14) is placed on the placement piece (159) of the base bracket (15) fixed in the housing (2) in the right direction (arrow). Slide in the direction indicated by B) and set to the mounting position. In the mounting position, the protrusion (125) of the first case body (12) is the blocking portion (157) of the base bracket (15), and the protrusion (138) of the second case body (13) is the base bracket. Engage with the notch (158) of (15). In this state, the board case (14) is fixed to the front surface of the base bracket (15) by tightening the screw (19) that engages with the notch (126) of the first case body (12).

  Next, the sealing pin (16) temporarily fixed to the third sealing portion (134) corresponding to the symbol (137) “B” is brought into contact with the front surface of the partition wall (134b). Push deeply into. As a result, the first elastic claw (163) of the sealing pin (16) passes through the locking hole (156) of the base bracket (15) corresponding to the symbol (137) “B” while being elastically deformed inward. The fixed portion (152) enters the space portion (155) and engages with the back side of the front surface portion (153) of the fixed portion (152), and the second elastic claw (164) It passes through the diameter-reduced hole (134c) of the third sealing portion (134) while being elastically deformed inward, and engages with the back side of the partition wall (134b). As a result, the third sealing portion (134) corresponding to the symbol (137) “B” is fixed to the fixed portion (152) of the base bracket (15), and the substrate case (14) is sealed.

  In a state where the third sealing portion (134) is fixed to the fixed portion (152) of the base bracket (15), the first elastic claw (163) of the sealing pin (16) is connected to the front surface portion (153). And the rear surface portion (154). As a result, the sealing pin (16) can be pulled out by deforming the first elastic claw (163) engaged with the space portion (155) of the fixed portion (152) with the unauthorized tool inward. Can not.

  Further, even if an attempt is made to forcibly remove the sealing pin (16) from the third sealing portion (134), the two locations of the first elastic claw (163) and the second elastic claw (164) are the respective parts. Therefore, it cannot be easily removed. Even if some measure is taken and the first elastic claw (163) engaged with the fixed portion (152) is prevented from coming out of the locking hole (156), the second elasticity Since the claw (164) is engaged with the third sealing portion (134), the second case body (13) cannot be opened by removing the sealing pin (16). Furthermore, since the blocking portion (158) and the bent piece (159a) of the base bracket (15) are engaged so as to block the opening of the first case body (12), the board case (14) Even if it tries to open forcibly, the second case body (13) cannot be opened. As a result, since no load is applied to the sealing pin (16), the sealing pin (16) is not damaged.

  When the electronic component (81) of the main control board (8) is to be inspected after the board case (14) is fixed to the base bracket (15), the first corresponding to the symbol (137) "B" The third sealing portion (134) is formed by cutting each of the cutting portion (136) of the three sealing portion (134) and the cutting portion (18a) connected to the sealing pin (16) with a tool such as a nipper. Are separately separated from the second case body (13) and the sealing pin (16) from the connecting plate (18). Thereafter, the base plate (15) can be removed by loosening the screw (19) and moving the substrate case (14) to the left (in the direction of arrow A in FIG. 3).

  After the substrate case (14) is removed from the base bracket (15), the cutting part (136) of the second sealing part (133) and the sealing pin (16) corresponding to the symbol (137) “A” are cut. Each part (18a) is cut. As a result, the second sealing portion (133) and the sealing pin (16) corresponding to the symbol (137) “A” are separated from the first case body (12), so that the substrate case (14) is opened. The main control board (8) can be taken out and inspected.

  When the main control board (8) is inspected by an external inspection organization, the second sealing part (133) corresponding to the symbol (137) “F” is sealed by the sealing pin (16). The pin 16 is transported to an external inspection organization while being fixed to the first sealing portion 124. As a result, the substrate case (14) is not tampered with during the transfer of the substrate case (14).

  After the inspection, the substrate case (14) is discarded. Then, an unused board case (14) is prepared, the main control board (8) is accommodated in the board case (14), and the second sealing portion (133) corresponding to the symbol (137) “A” is provided. Then, it is sent back in a state of being fixed to the first sealing portion (124) by a separately prepared sealing pin (16).

It is a front view of a gaming machine to which the present invention is applied. It is a front view of the gaming machine with the front door opened. It is a perspective view of a control board unit. It is a perspective view of the control board unit which shows an assembly process. It is a disassembled perspective view of a control board unit. It is an expanded vertical sectional view of the principal part of a control board unit when a sealing stop pin exists in a temporary fix | stop state. It is an enlarged vertical sectional view of the principal part of a control board unit when a sealing pin exists in a final stop state. It is an expansion cross-sectional view of the principal part of a control board unit. It is an expansion cross-sectional view of the other principal part of a control board unit.

Explanation of symbols

(1) Pachislot machines
(2) Housing
(3) Front door
(3a) Medal tray
(4) Hinge shaft
(6) Rotating reel
(7) Hopper unit
(8) Main control board (control board)
(9) Sub control board
(11) Power supply
(12) First case body
(12a) Semi-cylindrical part
(13) Second case body
(14) Board case
(15) Base bracket
(16) Sealing pin (sealing means)
(17) Set screw
(18) Connecting plate
(18a) Cutting part
(19) Screw
(21) Rear plate
(31) Liquid crystal display unit
(34) Game information display window
(35) Identification information display window
(36) Information display window
(37) medal slot
(38) MAX bet button
(39) Single bet button
(40) Start lever
(41) Stop button
(81) Electronic components
(82) Board side connector
(100) Control board unit
(121) First container
(122) engaging claw
(124) First sealing part
(124a) Front wall
(124b) Internal hole
(124c) Shrink hole
(124d) opening
(125) Projection
(126) Notch
(131) Second container
(132) Engagement hole
(133) Second sealing part
(133a) Tube hole
(133b) Partition wall
(133c) Shrink hole
(134) Third sealing part (sealing part)
(134a) Tube hole
(134b) Partition wall
(134c) Shrink hole
(135) opening
(136) Cutting part
(137) Symbol
(138) Projection
(151) Base
(152) Fixed part
(153) Front plate
(154) Rear plate
(155) Space
(156) Locking hole
(157) Blocking part
(157a) Notch
(158) Blocking part (blocking means)
(158a) Notch
(159) Mounting piece
(159a) Bent piece (blocking means)
(161) Buttocks
(162) Shaft
(163) 1st elastic nail
(164) Second elastic nail

Claims (4)

A base bracket fixed in the gaming machine and a control board for controlling a gaming operation are provided, and a base case fixed to the surface of the base bracket is provided. A sealing portion provided on the base case and the base bracket A gaming machine in which the opening of the substrate case is sealed by fixing the sealing portion to the fixed portion with a shaft-shaped sealing means at an attachment position where the fixed portion is provided. In the substrate case device of
The sealing means has a shaft portion that can be engaged with the fixed portion by being inserted into the sealing portion at the attachment position.
The board case includes the first case body disposed on the surface of the base bracket and the control board disposed on the front surface of the first case body so as to be held together with the first case body. A second case body attached to the front surface of the first case body,
The base bracket, there a置片put out can be placed placing the substrate case extending forward, and bent pieces extending upward from the front end of the placing置片, above the prior described置片A protrusion projecting upward provided on the upper portion of the second case body is engageable forward ,
Before the sealing portion is fixed to the fixed portion, the substrate case can be set at the attachment position by sliding along the front surface of the base bracket, and the bent piece is placed at the attachment position. engaged with the front surface of the second case body, further wherein when the second case member of the projection is engaged with the blocking portion, the substrate of the game machine, characterized by blocking the opening of the board case Case device.
It said second case member has one end openably pivoted to said first case body, possess the sealing portion to the other end,
The board case device of the gaming machine according to claim 1 , wherein the bent piece of the base bracket is engaged with a front surface of the second case body near the other end portion . The sealing means may be formed by synthetic resin, the shaft portion, wherein a first elastic pawl capable retaining engages the fixed portion, the retainer engageable with the second to the sealing portion 3. The board case device for a gaming machine according to claim 1, further comprising an elastic claw. Wherein said second elastic claw of the sealing means, a substrate case device of the gaming machine according to claim 3, characterized in that the retaining engagement in the sealing portion.

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