JP5435356B2 - Pachinko machine - Google Patents

Description

  The present invention relates to a pachinko machine in which a game area in which a game ball can flow down is formed on the front surface of a game board.

Conventionally, pachinko machines have various configurations for the purpose of preventing fraud. And, for example, as a configuration for preventing unauthorized actions such as unauthorized entry such as piano wire from the gap between the machine frame and the front door into the game area and illegally opening the door member of the prize winning device, A device disclosed in Patent Document 1 has been devised. In other words, a security member is attached to the rear surface of the front frame where the glass plate is fitted and installed, and when the front frame is closed, the security member is assembled to the front surface of the game board so that the front door and the game board The gap between them is filled, and it is configured to prevent the unauthorized equipment from entering the game area.
In addition, a configuration has been devised in which a security member that fills a gap between the front door and the game board is screwed to the front surface of the game board, not the rear surface of the front door.

JP 2010-22710 A

However, as disclosed in Patent Document 1, in adopting a configuration in which the security member is attached to the rear surface of the front door, the security member cannot be attached to the glass plate in terms of strength and appearance. It is necessary to form a security member attachment part made of synthetic resin, wooden or metal at the lower part. Therefore, there is a problem that the glass plate in the front door must be miniaturized and the degree of design freedom in design and the like becomes poor.
Further, when the security member is assembled to the game board side, it is generally assembled so as to cover the launch path of the game ball. Therefore, when the configuration in which the security member is screwed to the game board side is employed, there is a problem that it takes time to attach and detach the security member to the game board, and the cleaning work of the launch passage becomes troublesome.

  Therefore, the present invention has been made in view of the above problems, and the security member can be attached to and detached from the game board side to improve the design freedom of the front door, etc. It is intended to provide a pachinko machine that can also be performed.

In order to achieve the above object, the invention according to claim 1 of the present invention is provided with a game board having a game area on the front surface where a game ball can flow down, and at a lower part of the game board, A pachinko machine provided with a mounting portion for attaching a cover-shaped security member whose periphery is bent rearward at the position outside the game area from the front side of the game board, and the security member While the locking portion is provided, the game board is provided with a locked portion that can lock the locking portion as the attachment portion, and the security member is connected to the locked portion of the locking portion. And the front end of the locking part protrudes forward from the surface of the security member, and the locking part is locked with the locked part. Is released by operating the front end of the locking portion. To.
According to a second aspect of the present invention, in the first aspect of the invention, the first locking piece having an arrowhead-shaped locking claw as the locking portion protrudes rearward from the left and right upper portions of the security member. In addition, a pair of second locking pieces having locking protrusions protruding upward as the locking portions are provided in the front-rear direction at the lower portion of the security member, and the front ends of the second locking pieces are further provided on the security member. While projecting forward from the surface, the game board has a side wall erected forward along the left and right side edges of the game board, and a bottom wall erected forward along the lower edge of the game board And a side surface of the side wall with a locking hole as the locked portion to which the first locking piece can be locked, and an upper surface or a lower surface of the bottom wall with the second locking piece. Each of the locking recesses as the locked portion that can be locked is provided, and the crime prevention member is attached to the game board The side wall and the bent portion provided at the left and right side edges of the security member overlap in the left-right direction, the bottom wall and the bent portion provided at the lower edge of the security member overlap in the vertical direction, and the first The locking state between the two locking pieces and the locking recess is released by operation of the front end of the second locking piece.
According to a third aspect of the present invention, in the second aspect of the present invention, the side surface of the side wall where the locking hole is provided is recessed from the side surface of the side wall by the height of the locking claw or more. An escape portion is provided, one end of the escape portion is communicated with the locking hole, and the other end of the escape portion is opened to an edge of the side wall, and the second locking piece, the locking recess, After releasing the locking state, by sliding the security member in which the first locking piece and the locking hole are locked according to the shape of the escape portion, the first locking piece is It is extracted from the locking hole through the escape portion, and the locked state between the first locking piece and the locking hole is released.

According to the present invention, the security member is provided with the locking portion, while the game board is provided with the locked portion that can lock the locking portion, and the security member is connected to the locking portion of the locking portion. It is attached to the game board by locking. Further, the front end of the locking portion protrudes forward from the surface of the security member, and the locking state between the locking portion and the locked portion can be released by operating the front end of the locking portion. Therefore, it is very easy to attach / detach the security member to / from the game board, and it is possible to easily clean the portion covered by the security member, and to attach the security member to the game board. It is not necessary to provide a security member mounting mechanism, and the degree of freedom in design can be improved, for example, by increasing the size of the glass plate.
According to the invention described in claim 2, when the security member is attached to the game board, the side wall of the game board and the bent portions provided on the left and right side edges of the security member overlap in the left-right direction, Since the bottom wall and the bent part provided on the lower edge of the security member overlap in the vertical direction, it is less likely that a gap will be formed in the part, and the effect of preventing fraud using a fraudulent tool such as a piano wire can be further enhanced. In addition, it can exhibit a high prevention effect against fraudulent acts such as drilling using a fraudulent tool such as a soldering iron.
Further, according to the invention described in claim 3, the side surface of the side wall on which the locking hole is provided is provided with a relief portion that is recessed from the side surface of the side wall by the height of the locking claw or more. One end of the second engagement piece is communicated with the engagement hole, and the other end of the escape portion is opened to the edge of the side wall. After releasing the engagement state between the second engagement piece and the engagement recess, the first engagement is performed. By sliding the security member in which the piece and the locking hole are locked according to the shape of the escape portion, the first locking piece is extracted from the locking hole via the escape portion, and the first locking piece and The locking state with the locking hole is configured to be released. Therefore, it is possible to further simplify the work of attaching and detaching the security member.

It is explanatory drawing which showed the pachinko machine from the front side. It is explanatory drawing which showed the pachinko machine from the rear side. It is explanatory drawing which showed the inside of the cover member. It is explanatory drawing which showed the game board to which the crime prevention member was attached from the front side. (A) is explanatory drawing which showed the partial cross section of the AA line in FIG. 4, (b) is explanatory drawing which showed the partial cross section of the BB line in FIG. It is explanatory drawing which showed the decomposition | disassembly state of a crime prevention member and a game board. It is perspective explanatory drawing which showed the security member from the front side. It is perspective explanatory drawing which showed the security member from the rear surface side. It is sectional explanatory drawing in the direction parallel to the board surface of the game board in the state which attached the crime prevention member, Comprising: The locking location periphery by a 1st locking piece is shown. It is sectional explanatory drawing in the direction parallel to the board surface of the game board in the state which attached the crime prevention member, Comprising: The locking location periphery by the 2nd locking piece is shown. It is perspective explanatory drawing which showed the state in the middle of removing a security member.

  Hereinafter, a pachinko machine according to an embodiment of the present invention will be described in detail with reference to the drawings.

(Description of pachinko machine)
FIG. 1 is an explanatory view showing the pachinko machine 1 from the front side. FIG. 2 is an explanatory view showing the pachinko machine 1 from the rear side, and FIG. 3 is an explanatory view showing the inside of the cover member 44.
The pachinko machine 1 is a game in which a game ball is driven into a game area 2a formed on the front surface of the game board 2 and flows down in the game area 2a, and the game board 2 functions as a support. It is installed on the front upper part of the frame 3 via a middle frame 5 which is a metal frame member. In addition, a front door 4 in which a glass plate is fitted and installed in front of the game board 2 is hinged to the machine frame 3 so as to be able to be opened on one side with the left end edge as an axis, and is closed by the front door 4. A space in front of the game board 2 is a game area 2a.

  The game area 2a is surrounded by an outer rail 23 (shown in FIG. 4), an inner rail 24 (shown in FIG. 4) and the like that are arranged in an arc shape on the front surface of the game board 2, and both the rails 23, 24 are arranged. A space is used as a launch passage 13 (shown in FIG. 4) for driving a game ball into the game area 2a. In addition, a symbol display unit 6 for displaying a “symbol” including numbers “0” to “9”, a pattern, and the like is provided in the approximate center of the game area 2a. Further, the game area 2a includes a gate member 41 through which a game ball can pass, a tulip-type electric accessory 17 having a pair of claw pieces that can be opened and closed, a grand prize device 18 having a door member that can be opened and closed, The game nails 42, 42... And the windmill 43 are installed.

Further, on the front side of the machine casing 3 and below the game board 2, a supply tray 7 for supplying game balls to the launching device 10 and a storage for storing game balls overflowing from the supply tray 7. A tray 8 is attached, and both can be opened to the machine frame 3 in accordance with the opening of the middle frame 5 or the like. Furthermore, a handle 9 for operating the launching device 10 is installed on the right side of the storage tray 8 so as to be rotatable. In addition, a push button 16 that can be pushed by the player is provided in front of the supply tray 7.
Furthermore, a pair of speakers 14 and 14 for reporting sound effects and various messages are provided on the upper part of the front door 4, and on the side part of the front door 4 according to the gaming state of the pachinko machine 1 and the like. Lamp members 15 and 15 each having a plurality of LEDs that are lit and blinking are provided.

  On the other hand, on the rear side of the machine casing 3, there are a storage tank 11 for storing game balls to be paid out as rental balls and prize balls to the supply tray 7, a payout device 12 connected to the storage tank 11, and a payout device 12. A payout control device 48 for controlling the payout operation, a power supply device 49 for supplying a power supply voltage to each control board, device / member, and the like are installed. Reference numeral 44 denotes a synthetic resin cover member. Inside the cover member 44, a liquid crystal display device (not shown) for displaying the “symbol” on the symbol display section 6 is mainly used for the game. The main control device 20 for executing control (for example, so-called “hit lottery”), the display control device 47 for controlling the display operation in the symbol display unit 6, the payout device 12, the display control device 47, the speaker 14, A sub-control device 22 for controlling the operation of the lamp member 15 and the like in an integrated manner is installed. Incidentally, 45 is a plug for connecting the pachinko machine 1 to the transformer, and 46 is a ground.

  In the pachinko machine 1 as described above, when the handle 9 is turned by a player, the launching device 10 is activated and a game ball is driven into the game area 2a. Then, when the game ball flowing down in the game area 2a wins the tulip-type electric accessory 17, the main control device 20 performs a “hit lottery”. When the game ball is a so-called “hit”, the symbol display unit 6 After the “symbol” is displayed in a predetermined manner (for example, “7, 7, 7”, etc.), a so-called “hit state” is generated in which the door member of the big winning device 18 is intermittently opened a predetermined number of times.

(Explanation of security member and security member mounting structure to game board)
Here, the structure for attaching the crime prevention member 25 and the crime prevention member 25 to the game board 2 as the main part of the present invention will be described.
FIG. 4 is an explanatory view showing the game board 2 to which the security member 25 is attached from the front side. 5A is an explanatory view showing a partial cross section taken along the line AA in FIG. 4, and FIG. 5B shows a partial cross section taken along the line BB in FIG. FIG. Furthermore, FIG. 6 is an explanatory view showing a disassembled state of the security member 25 and the game board 2. FIG. 7 is a perspective explanatory view showing the security member 25 from the front side, and FIG. 8 is a perspective explanatory view showing the security member 25 from the rear side. In addition, FIG. 9 is a cross-sectional explanatory view in a direction parallel to the board surface of the game board 2 in a state in which the security member 25 is attached, and shows the vicinity of the place where the first locking piece 26 is locked. FIG. 10 is also a cross-sectional explanatory view in the direction parallel to the board surface of the game board 2 with the crime prevention member 25 attached, as in FIG. . Furthermore, FIG. 11 is a perspective explanatory view showing a state in the middle of removing the security member 25.

  The security member 25 is formed by connecting and integrating two members made of synthetic resin (left member and right member) into a single cover shape, and the upper side has an arc shape recessed downward. The four sides (peripheries) of the upper, lower, left and right are all bent backward. On the upper left and right sides of the security member 25, first locking pieces 26, 26 having elasticity having arrow claw-shaped locking claws at the front end are projected rearward. It can be locked to the stop hole 31. Moreover, the 2nd locking piece 27 which has elasticity is provided in the front-back direction on both the left and right sides of the lower side of the security member 25. Each second locking piece 27 forms a tongue piece by providing a pair of cuts 28 and 28 at a predetermined interval from the bent edge (border line bent backward) at the lower side of the security member 25, The tongue piece is projected forward from the surface of the security member 25. Therefore, the second locking pieces 27 and 27 can be pushed down from the front side of the security member 25 by the operator. Further, a hooking convex portion 27a is provided at the front end of the upper surface of each second locking piece 27 so that an operator can hook a finger or the like during operation. Further, a locking projection 27b (shown in FIG. 5) that can be locked in a locking recess 36 of the game board 2 described later is provided at a substantially central portion on the upper surface of each second locking piece 27. Furthermore, a positioning hole 33 for positioning when the security member 25 is attached to the game board 2 is formed in the upper part of the second locking piece 27. In addition, a connecting portion 29 that connects the left member and the right member of the security member 25 is provided at a substantially central portion of the lower side of the security member 25. The connecting portion 29 includes a plurality of members for improving strength. Ribs are provided.

  The upper side of the security member 25 is substantially the same shape as the arc of the inner rail 24, and when the security member 25 is attached to the game board 2, the upper side is close to the outer surface of the inner rail 24. It has become. Further, the left and right sides and the lower side of the security member 25 have substantially the same shape as the side wall 30 and the bottom wall 35 (both will be described later) provided on the game board 2, and when the security member 25 is attached to the game board 2. The bent portions on each side are close to each other in a state where the outer surfaces of the side wall 30 and the bottom wall 35 are covered.

  On the other hand, the game board 2 is a plate member made of synthetic resin, and an outer rail 23 and an inner rail 24 are arranged in an arc shape on the front surface so as to surround substantially the entire front surface of the game board 2. In addition, a large circular game area 2a is secured inside the rails 23 and 24. Further, in the right part of the game board 2, the outer rail 23 and the inner rail 24 are arranged side by side, and the launch between the rails 23 and 24 for driving a game ball into the game area 2a. A passage 13 is formed. The upper half of the launch passage 13 is covered with the glass plate of the front door 4 and the remaining lower half is covered with the crime prevention member 25 attached to the game board 2.

  Further, it is a position that is slightly below the center of the left and right side edges of the game board 2 and outside the game area 2a (that is, the right side of the inner rail 24 on the right side and the left side of the outer rail 23 on the left side) A first locking mechanism capable of locking the first locking piece 26 of the security member 25 is provided. The first locking mechanism includes a side wall 30 erected forward from the game board 2, a locking hole 31 formed on the outer surface of the side wall 30, and above the locking hole 31 on the outer surface of the side wall 30. It consists of the adjacent escape step 32. The side wall 30 is a wall-like body erected forward along the side edge of the game board 2, and its rising height is substantially the same as the protruding height of the outer rail 23 and the inner rail 24. The locking hole 31 is formed on the outer surface of the upper portion of the side wall 30, and the locking claw of the first locking piece 26 enters from the outside (left and right outside with respect to the side wall 30) and can be locked. ing. Further, as shown in FIG. 9, the escape step portion 32 is formed by standing and denting the upper end portion of the side wall 30 inward of the game board 2 by a predetermined distance from portions other than the portion. . The step of the escape step portion 32 (that is, the predetermined distance) is equal to or higher than the locking claw height H of the first locking piece 26. One end of the escape step 32 communicates with the locking hole 31 and the other end continues to the upper end of the side wall 30 (that is, the upper portion of the escape step 32 is open to the upper end edge of the side wall 30. When the crime prevention member 25 in which the first locking piece 26 and the locking hole 31 are locked is slid upward, the first locking piece 26 is locked into the locking hole via the escape step 32. The first locking piece 26 and the locking hole 31 are released from the locked state by releasing from 31 to the upper side of the side wall 30.

  Further, on the left and right sides of the lower part of the game board 2 and outside the game area 2a (that is, below the inner rail 24 at the right part and below the outer rail 23 at the left part) A second locking mechanism capable of locking the two locking pieces 27 is provided. The second locking mechanism includes a bottom wall 35 erected forward from the game board 2 and a locking recess 36 formed in the bottom wall 35. As shown in FIG. 10, the bottom wall 35 is a wall-like body erected forward along the lower edge of the game board 2, and like the side wall 30, the rising height is the outer rail 23 or the inner rail. It is substantially the same as the protruding height of 24. The locking recess 36 is a recess provided on the lower surface of the bottom wall 35 (that is, a recess formed by raising the bottom wall 35 upward), and the second locking piece 27 is attached when the crime prevention member 25 is attached. The locking projection 27b of the second locking piece 27 enters from below and can be locked. In addition, 37 is a positioning projection for positioning the crime prevention member 25 to be attached, and is provided at a position corresponding to the locking recess 36, and enters the positioning hole 33 when the game board 2 is attached. It is possible.

Here, a method of attaching the security member 25 as described above to the game board 2 and a method of removing it from the game board 2 will be described.
First, when attaching the crime prevention member 25 to the game board 2, the crime prevention member 25 is positioned in front of the attachment position of the game board 2 as shown in FIG. That is, each first locking piece 26 is positioned in front of the corresponding locking hole 31, and each second locking piece 27 is positioned in front of the corresponding locking recess 36. Then, if the security member 25 is pushed into the game board 2 from the state, the first locking pieces 26 and 26 and the second locking pieces 27 and 27 are slightly bent outward due to elastic deformation, and then each first engagement member. While the stop piece 26 is engaged with the engagement hole 31, the engagement protrusion 27 b of the second engagement piece 27 is engaged with the engagement recess 36, and the crime prevention member 25 is attached to the game board 2. In this attachment state, the left and right side and lower side bent portions of the security member 25 cover the outside of the side wall 30 and the bottom wall 35 provided on the game board 2 (that is, both the left and right sides of the security member 25). The bent portion of the side and the side wall 30 overlap in the left-right direction, and the bent portion of the lower side of the security member 25 and the bottom wall 35 overlap in the vertical direction), and the upper side of the security member 25 is close to the outer surface of the inner rail 24. Therefore, since the gap between the front door 4 and the game board 2 is filled by the crime prevention member 25, an unauthorized tool such as a piano wire enters the game area 2a through the gap between the machine frame 3 and the front door 4 or the like. Such fraudulent acts are very difficult.

  Next, when removing the security member 25 from the game board 2, first, the front ends of the second locking pieces 27, 27 in the locked state are pushed down with fingers, and then the lower part of the security member 25 is pulled out slightly forward. Thus, the locked state between the second locking pieces 27 and 27 and the locking recesses 36 and 36 is released. At this time, the locked state between the first locking pieces 26 and 26 and the locking holes 31 and 31 is still maintained, and the security member 25 gradually moves forward from the top to the bottom as shown in FIG. It becomes an inclined posture that protrudes. Thereafter, the crime prevention member 25 in the inclined posture is slid upward, and the first locking pieces 26, 26 are extracted upward via the escape step portions 32, 32, thereby engaging with the first locking pieces 26, 26. The locked state with the stop holes 31, 31 is released, and the security member 25 is removed from the game board 2.

(Effects of this embodiment)
According to the pachinko machine 1 having the security member 25 and the game board 2 as described above, the security member 25 is provided with the first locking pieces 26 and 26 and the second locking pieces 27 and 27 having elasticity, while the game The side wall 30 and the bottom wall 35 are erected forward on the front side of the board 2 outside the game area 2a, and the first locking piece 26 is locked only by pushing the crime prevention member 25 toward the game board 2 side. The hole 31 is provided on the side wall 30, and the locking recess 36 for locking the second locking piece 27 is provided on the bottom wall 35. In addition, the front ends of the second locking pieces 27 and 27 protrude forward from the surface of the security member 25, and the second locking pieces 27 and 27 are pushed down in a state where the security member 25 is attached to the game board 2. By doing so, the locked state of the second locking pieces 27, 27 and the locking recesses 36, 36 can be released. Therefore, it is very easy to attach / detach the crime prevention member 25 to / from the game board 2, the cleaning passage 25 covered with the crime prevention member 25 can be easily cleaned, and the crime prevention member 25 is connected to the front door 4 side. Therefore, it is not necessary to provide an attachment mechanism for the security member 25 on the front door 4, and the degree of freedom in design can be improved, for example, by increasing the size of the glass plate.

Further, when the security member 25 is attached, the bent portions on both the left and right sides of the security member 25 and the side walls 30 of the game board 2 overlap in the left-right direction, and the bent portion on the lower side of the security member 25 and the bottom wall 35 of the game board 2. Are overlapped with each other in the vertical direction, so that a gap is less likely to be generated in the part, and it is also strong against fraudulent acts such as drilling using a fraudulent tool such as a soldering iron.
Further, the step is larger than the height H of the locking claw of the first locking piece 26, one end communicates with the locking hole 31, and the other end opens to the upper edge of the side wall 30. 32, and after releasing the locking state between the second locking pieces 27, 27 and the locking recesses 36, 36, the crime prevention member 25 is slid upward to be locked in the locking hole 31. By pulling out a certain first locking piece 26 from the locking hole 31 to the upper side of the side wall 30 via the escape step 32, the locked state between the first locking piece 26 and the locking hole 31 can be released. It is said. Therefore, it is possible to further simplify the attaching / detaching work of the security member 25.

(Modification of the present invention)
The configuration of the pachinko machine according to the present invention is not limited to the above-described embodiment, and the configuration of the security member and the game board can be appropriately changed as necessary without departing from the spirit of the present invention. is there.

For example, in the above-described embodiment, the first locking piece 26 having the locking claw and the second locking piece 27 having the locking projection 27 b are provided on the crime prevention member 25, and the locking hole 31 and the locking recess 36 are provided on the game board 2. However, there is no problem even if a locking claw or a locking projection is provided on the game board side and a locking piece having a locking hole or a locking recess is provided on the crime prevention member side.
Further, in the above embodiment, the gaming board 2 is provided with a wall portion such as the side wall 30 and the bottom wall 35 and the wall portion is provided with the locking hole 31 and the locking recess 36, but the wall portion is not provided. Locked portions such as the locking holes 31 and the locking recesses 36 can be provided on the side surface and the bottom surface of the game board 2, and the installation position and number of the locked portions can be appropriately changed.

Furthermore, in the above embodiment, the escape step 32 is provided at the upper end of the side wall 30, but the relief step 32 is not necessarily provided, and the first locking piece 26 is the same as the second locking piece 27. A structure in which the front end protrudes forward from the surface of the security member, and the operator presses the left and right sides to release the locked state between the first locking piece 26 and the locking hole 31 (that is, the escape step). It is also possible to employ a configuration that does not include a component corresponding to the unit 32. Even if it is the said structure, simplification of the attachment or detachment operation | work to the game board 2 of a security member can be aimed at.
Furthermore, the provision of the relief step portion is not limited to that of the above-described embodiment. For example, an L-shaped relief groove that is bent forward and opened to the front edge of the side wall 30 is provided with the locking hole 31. It is also possible to adopt a configuration in which the first locking piece 26 is removed from the locking hole 31 through the escape groove by sliding the security member 25 upward once and then pulling it forward. It is possible, and it can change suitably about the shape etc. of a relief part.

In the above embodiment, when the security member 25 is attached to the game board 2, the upper side of the security member 25 is positioned outside the inner rail 24. It is also possible to configure the crime prevention member 25 so that) is located inside the inner rail 24 (that is, in the game area 2a).
In addition, in the above embodiment, the crime prevention member 25 is configured to cover the side wall 30 and the bottom wall 35, but conversely, the crime prevention member 25 is configured to be attached close to the inside of the sidewall 30 and the bottom wall 35. It is also possible to do. In adopting this configuration, the locking hole 31 and the locking recess 36 may be provided on the inner surface of the side wall 30 or the upper surface of the bottom wall 35, and the escape step 32 is also formed on the inner side surface of the side wall 30. do it.

  1 ·· Pachinko machine, 2 · · game board, 2a · · game area, 3 · · machine frame, 4 · · front door, 5 · · middle frame, 13 · · launch passage, 23 · · outer rail, 24 · ·・ Inner rail, 25 ・ ・ Security member, 26 ・ ・ First locking piece (locking part), 27 ・ ・ Second locking piece (locking part), 27a ・ ・ Latching convex part, 27b ・ ・Stop projection, 28 .. Incision, 29 .. Connection part, 30 .. Side wall, 31 .. Locking hole (locked part), 32 .. Relief step part (relief part), 33. -Bottom wall, 36-Locking recess (locked part), 37-Positioning protrusion.

Claims (3)

A game board having a game area in which a game ball can flow down is provided on the front surface, and a lower edge of the game board has a cover-like shape in which a periphery is bent rearward at a position outside the game area. A pachinko machine provided with a mounting portion for mounting a security member from the front side of the game board,
While providing a locking portion on the security member,
The game board is provided with a locked portion capable of locking the locking portion as the mounting portion,
The crime prevention member is attached to the game board by locking the locking portion to the locked portion,
The front end of the locking part protrudes forward from the surface of the security member,
A pachinko machine wherein the locking state between the locking portion and the locked portion is released by operating the front end of the locking portion. A first locking piece having an arrowhead-shaped locking claw as the locking portion protrudes rearward from the left and right upper portions of the security member, and protrudes upward as the locking portion at the lower portion of the security member. A pair of second locking pieces having locking protrusions are provided in the front-rear direction, and the front end of the second locking piece protrudes further forward than the surface of the security member,
The game board is provided with a side wall erected forward along the left and right side edges of the game board and a bottom wall erected forward along the lower edge of the game board, and a side surface of the side wall. In addition, a locking hole as the locked portion to which the first locking piece can be locked is provided on the upper surface or the lower surface of the bottom wall, and the locked portion to which the second locking piece can be locked. Each has a locking recess as
When the security member is attached to the game board, the side wall and the bent portion provided on the left and right side edges of the security member overlap in the left-right direction, and the bent wall provided on the bottom wall and the lower edge of the security member. The part overlaps in the vertical direction,
2. The pachinko machine according to claim 1, wherein the locking state between the second locking piece and the locking recess is released by operating the front end of the second locking piece. Provided on the side surface of the side wall where the locking hole is provided is a relief portion that is recessed from the side surface of the side wall by a height equal to or higher than the height of the locking claw, and communicates one end of the relief portion with the locking hole. And opening the other end of the escape portion to the edge of the side wall,
After releasing the locking state between the second locking piece and the locking recess, the security member in which the first locking piece and the locking hole are locked is moved according to the shape of the escape portion. By sliding, the first locking piece is extracted from the locking hole through the relief portion, and the locked state between the first locking piece and the locking hole is released. The pachinko machine according to claim 2.

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