JP6154775B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine that includes a first base and a second base that can be opened and closed relatively, and is configured to hold both bases in a closed state by a locking mechanism that can be unlocked by a key. is there.

  For example, a pachinko machine, which is one of the gaming machines, includes an outer frame that is formed in a rectangular frame shape that opens forward and backward and is fixed to an installation frame base of a game store, and one of the left and right sides of the outer frame. And a middle frame as a body frame hinged to be openable and closable, and a game board in which a game area in which a pachinko ball can flow is defined is detachably disposed on the middle frame. Yes. In addition, a front frame as a decorative frame that decorates the front surface of the pachinko machine and protects the game board by seeing is hinged to the front side of the middle frame so as to be openable and closable on one of the left and right sides. In this type of pachinko machine, pachinko balls launched into the game area gradually flow down due to their own weight while bouncing off by contact with a game nail or the like implanted in the game area, and in the process of flowing down the game area, The game is configured to be performed by winning the winning section.

  In addition, the outer frame and the middle frame hinged on the left side, and the middle frame and the front frame are each provided with a locking part on the right side on the opposite side, and hold each frame in a closed state. Configured to get. A pair of claws are provided on one side of the frame that opens and closes relatively at a position that is vertically separated from the operating rod that moves up and down with the unlocking operation, and the other side of the frame that opens and closes relatively A receiving piece is provided to engage and disengage the claw part, and the operating rod is always urged to a position where the claw part and the receiving piece are engaged by an urging member such as a spring, while the unlocking operation is performed. Accordingly, the operating rod is configured to move to a position where the engagement between the claw portion and the receiving piece is released. That is, each frame is held in a closed state under the engaging action of the claw portion and the receiving piece, and each frame is released by releasing the engagement between the claw portion and the receiving piece in accordance with the unlocking operation. It can be opened.

JP2013-248231A

  By the way, in the general game store where the pachinko machine described above is installed, a plurality of pachinko machines are arranged adjacent to each other in parallel, and it is practically completely closed the gap between adjacent pachinko balls. In reality, a slight gap is formed between the pachinko balls. However, since the operating rod and the plurality of claw portions need to operate integrally with each other in accordance with the unlocking operation, they are integrally formed from one metal member by pressing or by rivets or welding. It is integrated. For this reason, an illegal instrument such as a piano wire inserted in a slight gap between the pachinko machines is hooked on any of the claw parts, and the claw part is forcibly released in the direction in which the engagement with the receiving piece is released. When operated, all the claw portions connected via the operating rod are interlocked to disengage from the receiving piece, and the frame may be illegally opened.

  That is, the present invention has been proposed in view of the above-mentioned problems inherent in the prior art and preferably solves these problems, and the first base body and the second base body that can be opened and closed relatively are opened illegally. An object of the present invention is to provide a gaming machine capable of preventing the above-described problem.

In order to overcome the above-mentioned problems and achieve the intended purpose, the invention according to claim 1 of the present application provides:
The first base body 11 and the second base body 12 that are hinged and can be opened and closed relatively, and both base bodies (12) provided on the first base body 11 and the second base body 12 (11, 12) In a gaming machine equipped with a locking mechanism (60, 70, 100, 120) that holds the base in a closed state and allows relative opening of both bases by an unlocking operation with a key.
The locking mechanism (60, 70, 100, 120)
A plurality of engagement receiving portions (61) provided on one base (11) of the first and second bases (11, 12);
An actuating body (71) provided on the other base body (12) of the first and second base bodies (11, 12) and moved from the locking position to the unlocking position in accordance with the unlocking operation by the key;
The actuating body (71) is provided so as to correspond to the plurality of engagement receiving parts (61), and the actuating body (71) is engaged with the corresponding engagement receiving part (61) in a state of being in the locked position. A plurality of engagement pieces (80) disengaged from the corresponding engagement receiving portions (61) in a state where the operating body (71) is in the unlocked position,
When the engagement receiving portion (61) and the engagement piece (80) are engaged in the locked position, the first and second base bodies (11, 12) are held in a closed state, and in the unlocked position, The engagement receiving portions (61) and the engagement pieces (80) are disengaged to allow relative opening of the first and second base bodies (11, 12) .
Each of the plurality of engagement pieces (80) corresponds to an engagement position that can be engaged with the corresponding engagement receiving portion (61) in a state where the operating body (71) is in the locked position. A biasing member (84) configured to be individually displaceable between a forced release position where the engagement with the engaging receiving portion (61) to be released is released, and biasing toward the engagement position There Rutotomoni provided corresponding to the people husband of each engagement piece (80),
The actuating body (71) is unlocked by a key on the side (34) opposite to the side (33) to which the corresponding first base (11) or second base (12) is hinged. An insertion hole portion (71b) that is provided to move along the side portion (34) along with the locking operation and that opens in a direction intersecting the moving direction of the operating body (71) is formed,
The engagement piece (80) is supported by the operating body (71) so as to be able to move to the engagement position and the forced release position, and extends in a direction crossing the moving direction of the operating body (71). (81) and a claw portion (82) provided at one end of the base portion (81) and detachably engaged with the corresponding engagement receiving portion (61),
The base (81) of the engagement piece (80) is inserted into the insertion hole (71b) of the operating body (71), and the base of the operating body (71) is inserted into the opening edge of the insertion hole (71b). The gist is that the displacement of the engagement piece (80) in the direction intersecting the moving direction to the engagement position and the forced release position is regulated by contacting (81) .
As described above, by providing a plurality of engagement pieces so as to be able to be displaced to the engagement position and the engagement release position with respect to the operating body that is moved from the locking position to the unlocking position in accordance with the unlocking operation with the key. Even when the engagement piece is forcibly operated so as to be displaced to the disengagement position without using the unlocking operation using the key, the other engagement piece is held at the engagement position. Thus, unauthorized opening of the first base and the second base can be prevented. In addition, even if a fraudulent act is performed in which the engagement piece is deformed so that the engagement with the engagement receiving portion is released with the intention of releasing the base body without performing the unlocking operation with the key. By inserting the base of the engagement piece into the insertion hole of the body, deformation of the engagement piece in the direction intersecting the direction of movement to the engagement position and the engagement release position can be regulated. And it is possible to prevent the second substrate from being opened illegally.

Further, in the present application, the engagement piece (80) including the following technical idea includes a base (81) pivotally supported on the operating body (71), and the operating body in the base (81). The gist is that the urging member (84) is attached to the end opposite to the claw portion (82) across (71).
In this way, by attaching an urging member to the end opposite to the claw portion with the operating body sandwiched between the base portion, an unauthorized instrument inserted up to the engagement piece in an attempt to perform an unauthorized operation of the engagement piece is attached. It can prevent reaching to the urging member, and the engagement piece can be stably held at the engagement position by the urging of the urging member.

In the invention according to claim 2 ,
The first base body 11 and the second base body 12 that are hinged and can be opened and closed relatively, and both base bodies (12) provided on the first base body 11 and the second base body 12 (11, 12) In a gaming machine equipped with a locking mechanism (60, 70, 100, 120) that holds the base in a closed state and allows relative opening of both bases by an unlocking operation with a key.
The locking mechanism (60, 70, 100, 120)
A plurality of engagement receiving portions (61) provided on one base (11) of the first and second bases (11, 12);
An actuating body (71) provided on the other base body (12) of the first and second base bodies (11, 12) and moved from the locking position to the unlocking position in accordance with the unlocking operation by the key;
The actuating body (71) is provided so as to correspond to the plurality of engagement receiving parts (61), and the actuating body (71) is engaged with the corresponding engagement receiving part (61) in a state of being in the locked position. A plurality of engagement pieces (80) disengaged from the corresponding engagement receiving portions (61) in a state where the operating body (71) is in the unlocked position,
When the engagement receiving portion (61) and the engagement piece (80) are engaged in the locked position, the first and second base bodies (11, 12) are held in a closed state, and in the unlocked position, The engagement receiving portions (61) and the engagement pieces (80) are disengaged from each other so as to allow relative opening of the first and second base bodies (11, 12).
Each of the plurality of engagement pieces (80) corresponds to an engagement position that can be engaged with the corresponding engagement receiving portion (61) in a state where the operating body (71) is in the locked position. A biasing member (84) configured to be individually displaceable between a forced release position where the engagement with the engaging receiving portion (61) to be released is released, and biasing toward the engagement position Are provided corresponding to each of the engagement pieces (80),
The engagement receiving portion (61) includes an engagement plate portion (62) with which the engagement piece (80) is engaged, and an edge portion with which the engagement piece (80) is engaged with the engagement plate portion (62). The gist is to include a bent portion (63) bent from the edge.
As described above, by providing a plurality of engagement pieces so as to be able to be displaced to the engagement position and the engagement release position with respect to the operating body that is moved from the locking position to the unlocking position in accordance with the unlocking operation with the key. Even when the engagement piece is forcibly operated so as to be displaced to the disengagement position without using the unlocking operation using the key, the other engagement piece is held at the engagement position. Thus, unauthorized opening of the first base and the second base can be prevented. In the engagement plate portion with which the engagement piece engages, the engagement receiving portion is formed so that the bending portion bends from the edge portion excluding the edge portion with which the engagement piece engages. It is possible to make it difficult for the unauthorized device to reach the mating engagement piece, and to prevent the first base and the second base from being illegally opened.

  According to the gaming machine of the present invention, it is possible to prevent the locked state of the locking mechanism from being released without the unlocking operation using the key, and the first base body and the second base body that can be opened and closed relative to the operation. Unauthorized opening of the substrate can be prevented.

It is a perspective view which shows the pachinko machine which concerns on the preferred Example of this invention, Comprising: While closing an inner frame with respect to an outer frame, the state which open | released the front frame with respect to the inner frame is shown. It is an exploded view which shows the pachinko machine which concerns on an Example, Comprising: The front view of an outer frame and a middle frame, and the rear view of a front frame are shown. It is a perspective view which expands and shows the state which looked at the upper outer frame locking part which concerns on the Example from the back surface. It is sectional drawing in the BB line of FIG. 2 in the state which assembled | attached the middle frame with respect to the outer frame which concerns on an Example. It is a right side view showing the middle frame locking part according to the embodiment, (a) shows the state in which the middle frame actuating body is in the middle frame locking position, (b) is the middle frame actuating body in the middle frame unlocking position. Shows the state. The two-dot chain line indicates the right frame portion of the middle frame. It is a right view of the right frame part which expands and shows the arrangement position of the 1st middle frame engagement piece and the 2nd middle frame engagement piece of the middle frame locking part concerning an example, Comprising: The first and second middle frame engaging pieces are indicated by solid lines, and the first and second middle frame engaging pieces in the forced release position are indicated by two-dot chain lines. It is the perspective view which shows the state which looked at the right frame part which expanded the arrangement | positioning position of the 1st middle frame engaging piece of the middle frame locking part which concerns on an Example from the front side. It is sectional drawing which expanded the arrangement | positioning position of the control member in the AA line in FIG. 2, Comprising: (a) is the state which open | released the front frame with respect to the inner frame, and was hold | maintained at the unlocking control position (B) shows a state in which the front frame is closed with respect to the middle frame and the restricting member is displaced to the unlocking allowable position. (a) is a perspective view of the front frame locking part as seen from the front side when the front frame operating body is in the front frame locking position, and (b) is a state where the front frame operating body is at the front frame locking position. It is the perspective view seen from the rear side, (c) is the perspective view which looked at the state in which the front frame operation body exists in a front frame unlocking position from the rear side. FIG. 3 is an enlarged cross-sectional view taken along line AA of FIG. 2 in a state in which the outer frame, the middle frame, and the front frame are closed, and (a) shows that the middle frame operating body is in the middle frame locking position and the front frame. (B) shows the state where the middle frame actuating body has moved to the middle frame unlocking position, and (c) shows the state where the front frame actuating body is in the front frame unlocking position. Shows the state of movement.

  Next, the gaming machine according to the present invention will be described in detail below with reference to the accompanying drawings by way of preferred embodiments. In the embodiment, a pachinko machine 10 in which a game is played using a pachinko ball as a game ball will be described as an example. In the following description, “front”, “rear”, “left”, and “right” mean that the pachinko machine 10 is viewed from the front side (player side) as shown in the figure unless otherwise specified. It points at.

(About pachinko machine 10)
As shown in FIG. 1 or FIG. 2, the pachinko machine 10 according to the embodiment is formed in a rectangular frame shape that opens forward and backward, and is used as a fixed frame that is installed in a vertically installed posture on an installation frame base (not shown) of a game shop. An inner frame 12 as a main body frame for detachably holding the game board 20 is detachably assembled to the front side of the opening of the outer frame 11 through a hinge portion, and various symbols are provided on the back side of the game board 20. A symbol display device (not shown) capable of variably displaying is detachably disposed. Further, on the front side of the middle frame 12, a decoration configured to cover the window 13a opened in the front and back with a glass plate for transparently protecting the game board 20 and a transparent protective member 46 formed of a transparent synthetic resin material. A front frame 13 is assembled as a frame so as to be openable and closable via a hinge portion. The outer frame 11, the middle frame 12, and the middle frame 12 and the front frame 13 are respectively locked by locking mechanisms 60, 70, 100, 120, which will be described later, provided on the side opposite to the hinge portion. The pachinko machine 10 is configured to be held in a closed state and can be opened by unlocking from the front side of the pachinko machine 10 with a key. An upper ball tray 14 and a lower ball tray (not shown) for storing pachinko balls are provided at a lower position on the front surface of the front frame 13 so as to be separated from each other in the vertical direction. The tray is configured to be openable and closable with respect to the middle frame 12. In addition, as the symbol display device, various symbols such as a liquid crystal display device in which a liquid crystal panel capable of displaying various symbols is accommodated in a housing case, a drum-type symbol display device, a dot matrix-type symbol display device, and the like are stopped and variably displayed. Various conventionally known symbol display devices that can be used may be employed.

  As shown in FIG. 1, an operation handle 16 for operating a ball hitting device 18 disposed on the inner frame 12 is provided at the lower right front portion of the pachinko machine 10. The operation handle 16 includes an operation lever 16a urged in the left rotation direction. When the player turns the operation lever 16a to rotate right, the hitting ball launching device 18 is operated, Pachinko balls stored in the upper ball tray 14 are fired one by one toward the game area 20 a of the game board 20. Here, the hitting force of the pachinko ball by the hitting ball launching device 18 changes in strength according to the turning amount of the operation lever 16a, and the player adjusts the turning amount of the operation lever 16a. The launch position (arrival position) of the pachinko ball to the game area 20a can be arbitrarily changed. In the embodiment, the operation handle 16 is provided in the lower right part of the front surface of the front frame 13. However, the operation handle 16 may be provided in the middle frame 12, a ball tray or the like. In the embodiment, the upper and lower ball trays are provided on the front frame 13. However, one or both of the upper and lower ball trays may be assembled to the front surface of the middle frame 12 so as to be individually openable and closable. It is also possible to have a configuration in which only one ball tray is provided.

(About game board 20)
As shown in FIG. 1, the game board 20 is provided with a guide rail 21 curved in a substantially circular shape on the front surface (board surface) of a substantially rectangular plate member formed of a veneer material or a synthetic resin material. A pachinko ball launched from the ball striking device 18 disposed in the middle frame 12 is launched into a substantially circular game area 20 a defined by the guide rail 21. Further, the board member of the game board 20 has an opening (not shown) penetrating in the front-rear direction at an appropriate position, and a game board installation component (not shown) is attached to each installation opening from the front side. At the lowermost position of the game area 20a, an out port 22 for discharging the pachinko balls launched into the game area 20a is provided. Here, in the gaming board 20, various gaming parts (a start winning part, a special winning part, a normal winning part, a gate part, etc.) which can win a pachinko ball as the gaming board installation parts, decorative parts, etc. Various game board installation parts (all not shown) are provided, and the pachinko balls launched in the game area 20a win the winning part, thereby providing a special game state such as a big hit game that is advantageous to the player. A desired game is performed by determining whether or not to make it happen and paying out a predetermined number of prize balls. Specifically, a start winning section where a hit determination is made when a pachinko ball is entered (winning), a special winning section where the pachinko ball can enter (win) when a special gaming state occurs, a start winning prize In the case where a variable start winning portion capable of opening and closing the winning opening is provided as a portion, a gate portion is provided in the game board 20 for determining whether or not to open the winning opening when the pachinko ball enters. Yes. Further, on the back side of the game board 20, there is provided an installation member (none of which is shown) in which various effect devices such as a movable effect device and a light emission effect device are arranged, and the display of the symbol display device The production device is configured to operate in accordance with the above.

(About outer frame 11)
As shown in FIG. 1 and FIG. 2, the outer frame 11 connects the ends of the upper edge frame portion 11 a, the lower edge frame portion 11 b, the left edge frame portion 11 c and the right edge frame portion 11 d in the front-rear direction. It is assembled into a rectangular frame that opens. The upper edge frame portion 11a and the lower edge frame portion 11b are made of a wood material having a predetermined thickness in the vertical direction, while the left edge frame portion 11c and the right edge frame portion 11d are made of a metal material such as an aluminum material. Thus, the rigidity of the entire outer frame 11 is increased while reducing the thickness of the left and right edge frame portions 11c and 11d. In addition, a decorative plate 11e extending in the left-right direction is provided on the front side of the lower edge frame portion 11b, and constitutes a design surface at the lower front portion of the pachinko machine 10. As shown in FIG. 2, an upper support receiver 51 and a lower support receiver 52 that constitute a hinge portion are disposed on the upper left end portion and the lower left end portion (one of the left and right ends) of the outer frame 11. The middle frame 12 is connected to the outer frame 11 via an outer frame upper hinge shaft 51a projecting downward from the upper support receiver 51 and an outer frame lower hinge shaft 52a projecting upward from the lower support receiver 52. Is supported to be openable and closable. The outer frame 11 has a plurality (two in the embodiment) of outer frame engaging pieces (two in the embodiment) constituting the outer frame locking portion 60 of the locking mechanism on the inner side (left side surface) of the right edge frame portion 11d. (Receiving portion) 61 is provided in a vertically separated manner, and an intermediate frame engaging piece 80 (described later) provided in the intermediate frame 12 is engaged with the outer frame engaging piece 61 in an engageable and disengageable manner. By combining, the outer frame 11 is held (locked) in a closed state in which the middle frame 12 is closed. Here, the locking mechanism 60, 70, 100, 120 includes a side portion (right side) opposite to a side portion (left side portion in the embodiment) to which the outer frame 11, the middle frame 12 and the front frame 13 are hinged. Part).

(About the middle frame 12)
As shown in FIG. 2, the middle frame 12 has an upper frame portion 31 forming an upper edge and a lower frame, and functions as an installation portion for installing the ball hitting device 18 and various control devices (not shown). A frame 32, a left frame 33 forming a left edge, and a right frame 34 forming a right edge, and connecting the ends of the upper, lower, left and right frame sections 31, 32, 33, and 34 It is assembled in a rectangular frame shape that opens in the direction. Then, the game board 20 is detachably installed in front and rear opening areas (hereinafter referred to as game board installation parts) that are opened when the upper, lower, left and right frame parts are assembled. In the embodiment, the upper frame portion 31 and the lower frame portion 32 are formed of a synthetic resin material, and the left and right frame portions are formed of a metal material such as aluminum to ensure the rigidity of the entire middle frame 12. However, weight reduction is achieved.

  Here, the middle frame 12 is formed with a size slightly smaller than the front opening formed by the edge frame portions 11 a to 11 d of the outer frame 11, and the middle frame 12 is closed with respect to the outer frame 11. In the closed state, the middle frame 12 is accommodated inside the opening of the outer frame 11 (see FIGS. 1 and 4). Specifically, the upper frame portion 31 is provided so as to extend upward from the upper frame main body portion 31a facing the lower surface of the upper edge frame portion 11a in the outer frame 11 and the front end portion of the upper frame main body portion 31a. An upper edge portion 31b that defines the upper edge of the middle frame 12, and the upper edge portion 31b is located at substantially the same height as the upper edge frame portion 11b of the outer frame 11, When the middle frame 12 is closed with respect to the outer frame 11, the rear surface of the upper edge portion 31b comes into contact with the front surface of the upper edge frame portion 11a. In the upper frame portion 31 of the middle frame 12, a tank portion 31c for storing pachinko balls is formed integrally with the rear end portion of the upper frame main body portion 31a. Similarly, the left and right frame parts include left and right frame body parts 33a and 35 that face the side surfaces of the corresponding left and right edge frame parts 11c and 11d in the outer frame 11, and the left and right frame body parts 33a and 35, respectively. It is basically provided with left and right side edges 33b and 37 which are provided so as to extend outward from the front end side of the middle frame 12 and define the side edges of the middle frame 12. When the portions 33b and 37 are positioned in front of the corresponding left and right edge frame portions 11c and 11d of the outer frame 11, and the middle frame 12 is closed with respect to the outer frame 11, the rear surfaces of the left and right side edge portions 33b and 37 are It contacts the front surfaces of the left and right edge frame portions 11c and 11d. The lower frame portion 32 is provided so as to be positioned between the left frame portion 33 and the right frame portion 34 facing left and right. That is, when the middle frame 12 is closed, the inner peripheral surface of the outer frame 11 (the inner surface of each edge frame portion) and the outer peripheral surface of the middle frame 12 (the outer surface of each frame portion) face each other.

  Further, as shown in FIG. 2, the upper left end portion (one of the left and right ends) on the front surface of the upper frame portion 31 of the middle frame 12 and the lower left end portion (one of the left and right ends) on the front surface of the lower frame portion 32. Are provided with a first connection fitting 54 and a second connection fitting 55 as hinge portions, respectively. The first connecting fitting 54 is formed with a first shaft hole 54a that opens upward and to the left so that the upper hinge shaft 51a of the outer frame 11 can be inserted therethrough, and opens downward and forward. A second shaft hole 54b through which the front frame hinge shaft 57a of the front frame 13 can be inserted is formed. The left opening of the first shaft hole 54a is opened and closed by a first lever body 54c assembled to the first connecting fitting 54 so as to be rotatable, and the front opening of the second shaft hole 54b is It is configured to be opened and closed by a second lever body 54d assembled to the first coupling metal 54 so as to be rotatable. The second connecting fitting 55 is formed with a middle frame hinge shaft 55a that protrudes upward and a third shaft hole 55b that opens downward, and the outer frame 11 extends from below the third shaft hole 55b. The outer frame lower hinge shaft 52a can be inserted. In the state where the outer frame lower hinge shaft 52a of the outer frame 11 is inserted from below into the third shaft hole 55b, the left side of the first shaft hole 54a opened by rotating the first lever body 54c. By inserting the upper hinge shaft 51 a of the outer frame 11 from the side opening and closing the left opening of the first shaft hole 54 a by the first lever body 54 c, the middle frame 12 is located with respect to the outer frame 11. It is designed to pivot freely so that it can be opened and closed. The middle frame 12 has a middle frame locking portion 70 constituting a locking mechanism on the right frame portion 34 (right frame main body portion 35) so as to be positioned between the right edge frame portion 11d of the outer frame 11. A middle frame engagement piece (engagement piece) 80 provided in the middle frame locking portion 70 is engaged with the outer frame engagement piece 61 in a detachable state, whereby the outer frame 11 The inner frame 12 is held in a closed state with respect to the outer frame 11, and the engagement between the outer frame engaging piece 61 and the first middle frame engaging piece 80 is released. The frame 12 can be opened.

  Here, the right frame portion 34 of the middle frame 12 where the middle frame locking portion 70 is provided is, as shown in FIG. 4, at the front end of the right frame main body portion 35 that defines the right side portion of the game board installation portion. A connecting wall 36 extending to the outside of the machine (rightward in FIG. 4) is formed, and the right edge 37 is provided so as to protrude forward from the extending end (right end) of the connecting wall 36. . The middle frame locking portion 70 is provided on the right side surface of the right frame main body portion 35. In other words, in a state where the middle frame 12 is closed with respect to the outer frame 11, the middle frame locking portion 70 is accommodated between the right edge frame portion 11d of the outer frame 11 and the right frame portion 34 of the middle frame 12. A space is defined (see FIG. 4) so that the inner frame locking portion 70 cannot be easily accessed from the outside. Further, the connecting wall 36 has through holes 36a and 36b opened in the front-rear direction at a plurality of locations (five locations in the embodiment) spaced apart from each other in the vertical direction, and the center through the through holes 36a and 36b. The second middle frame engaging piece 90 of the frame locking part 70 protrudes to the front side of the connecting wall 36 (the front side of the right frame part 34), and the protruding piece 103b of the front frame locking part 100 described later is the rear side of the connecting wall 36. It protrudes to the rear side of the right frame portion 34. In the following description, the through hole from which the second middle frame engaging piece 90 of the middle frame locking part 70 projects is referred to as the first through hole 36a, and the projecting piece 103b of the front frame locking part 100 projects. The hole may be referred to as the second through hole 36b to be distinguished. In the embodiment, the first through hole 36a is formed at three locations in the connecting wall 36 that are spaced apart from each other in the vertical direction, and the second through two spaces that are spaced apart from each other so as to be positioned between the first through holes 36a. Through-holes 36b are formed.

  In addition, an operation window portion 36c that extends from the front end portion of the right frame main body portion 35 to the connecting wall 36 is formed in the right frame portion 34 of the middle frame 12 (see FIGS. 2 and 10). That is, the accommodation space in which the middle frame locking portion 70 is accommodated is configured to open in the front-rear direction and the left-right direction of the right frame portion 34 through the operation window portion 36c. And it is comprised so that the unlocking operation part 120 mentioned later provided in the front frame 13 may be located in the position corresponding to the said operation window part 36c, and the 1st of the unlocking operation part 120 is via the said operation window part 36c. One working piece 122a faces the accommodation space.

(About front frame 13)
As shown in FIG. 2, the front frame 13 is basically formed of a front frame base portion 41 that is formed in a rectangular plate shape that substantially matches the outer shape of the middle frame 12 and that has a window 13 a that opens in the front-rear direction. Various decorative members 42 are arranged on the front surface of the front frame base portion 41 so as to surround the window 13a. An upper ball tray member 43 that defines a ball storage portion of the upper ball tray 14 is disposed at a lower position of the window 13a on the front surface of the front frame base portion 41, and a lower position of the upper ball tray 14 member. Further, a lower ball tray member (not shown) that defines a ball storage portion of the lower ball tray is disposed. In the closed state in which the front frame 13 is closed with respect to the middle frame 12, the front side of the middle frame 12 is entirely covered by the front frame 13, and the game area 20a of the game board 20 is forwarded through the window 13a. It is configured to be exposed in front of the frame 13. Further, a fluoroscopic protective member 46 made of a glass plate or the like is detachably disposed on the rear side of the front frame base portion 41 so as to cover the window 13a, and the game area of the game board 20 in the closed state of the front frame 13 The see-through protection member 46 protects 20a in a state where it can be seen through from the front side.

  As shown in FIGS. 1 and 2, a third connecting fitting 57 as a hinge portion is disposed at the upper left corner (one of the left and right ends) of the front frame base portion 41. A front frame hinge shaft 57a protruding upward is formed at the upper end of the connecting fitting 57. In addition, a fourth connection fitting 58 as a hinge portion is disposed at the lower left corner (one of the left and right ends) of the front frame base portion 41. The fourth shaft hole 58a is formed to open in the vertical direction. Then, the middle frame hinge shaft 55a formed in the second coupling metal 55 of the middle frame 12 is inserted into the fourth shaft hole 58a of the front frame 13 from below, and the first coupling metal 54 of the middle frame 12 is also inserted. By inserting the front frame hinge shaft 57a of the front frame 13 into the second shaft hole 54b formed in the front frame 13, the front frame 13 is pivotally supported with respect to the middle frame 12 so as to be opened and closed. Further, the front frame 13 is provided with a front frame locking portion 100 constituting a locking mechanism on the right side portion on the rear surface side of the front frame base portion 41, and the front frame locking portion 100 is engaged with the front frame. When the piece 110 is engaged with the middle frame engaging piece 90 of the middle frame locking portion 70 in a detachable state, the front frame 13 is held in a closed state with respect to the middle frame 12, and the front frame 13 By releasing the engagement between the frame engagement piece 110 and the middle frame engagement piece 90, the front frame 13 can be opened with respect to the middle frame 12.

(About locking mechanism 60, 70, 100, 120)
As shown in FIGS. 2 and 10, the locking mechanism is engaged with and disengaged from the outer frame locking portion 60 provided in the outer frame 11 and the outer frame locking portion 60 provided in the middle frame 12. An inner frame locking portion 70 that engages with the front frame 13, and a front frame locking portion 100 that is provided on the front frame 13 and that removably engages with the middle frame locking portion 70. When the locking part 60 and the middle frame locking part 70 are engaged, the middle frame 12 is held in a closed state with respect to the outer frame 11, and the middle frame locking part 70 and the front frame locking part 100 are engaged. The front frame 13 is configured to be held in a closed state with respect to the middle frame 12. The locking mechanism 60, 70, 100, 120 includes an unlocking operation unit 120 that can be unlocked with a key from the front side of the pachinko machine 10. Along with this, the engagement between the outer frame locking part 60 and the middle frame locking part 70 is released, and the middle frame 12 can be opened with respect to the outer frame 11, and along with the front frame unlocking operation of the unlocking operation part 120. Thus, the engagement between the middle frame locking portion 70 and the front frame locking portion 100 is released, and the front frame 13 can be opened with respect to the middle frame 12. In the pachinko machine 10 of the embodiment, the unlocking operation unit 120 is provided on the front frame 13.

(Outer frame locking part 60)
2 and 3, the outer frame locking portion 60 is attached to the left side surface of the right edge frame portion 11d of the outer frame 11 and protrudes toward the opposing left edge frame portion 11c. An outer frame engagement piece (engagement receiving portion) 61 is formed from the engagement plate portion 62 and a bent portion 63 extending rearward from the upper edge portion and the left edge portion of the engagement plate portion 62, and the outer frame The engaging piece 61 is formed in a box shape that opens rearward and downward. Then, the first middle frame engaging piece 80 of the middle frame locking part 70 passes from below to the rear surface of the outer frame engaging piece 61 (engaging plate part 62) through the opening on the lower side of the outer frame locking part 60. It comes in contact engagement so that it can be engaged and disengaged. That is, the opening of the middle frame 12 with respect to the outer frame 11 is restricted by the first middle frame engaging piece 80 of the middle frame locking portion 70 coming into contact with the rear surface of the outer frame engaging piece 61 of the outer frame locking portion 60. Then, the first middle frame engaging piece 80 is separated from the outer frame engaging piece 61 to be disengaged, thereby allowing the middle frame 12 to be released from the outer frame 11.

(About the middle frame locking part 70)
As shown in FIG. 5, the middle frame locking portion 70 is disposed on the middle frame 12 and moves from the middle frame locking position (locking position) to the middle frame in accordance with the middle frame unlocking operation by the key. A middle frame actuating body (actuating body) 71 moved to the unlocking position (unlocking position) and the middle frame actuating body 71 corresponding to the outer frame engaging piece 61 are provided. A plurality of (two in the embodiment) first middle frame engagement pieces (first engagement pieces) 80 that engage with the corresponding outer frame engagement pieces 61 in the state of being locked at the middle frame. When the middle frame actuating body 71 moves to the middle frame unlocking position in accordance with the middle frame unlocking operation with the key, each first middle frame engaging piece 80 and the corresponding outer frame engaging piece 61 are engaged with each other. It is configured to cancel the connection. That is, the outer frame engaging piece 61 and the first intermediate frame engaging piece 80 are brought into contact with each other at the intermediate frame locking position, whereby the outer frame 11 and the intermediate frame 12 are held in a closed state. By disengaging the outer frame engaging pieces 61 and the first middle frame engaging pieces 80 at the unlocked position, the outer frame 11 and the inner frame 12 are allowed to be released relative to each other.

(About the middle frame actuator 71)
As shown in FIG. 5, the middle frame actuating body 71 is a long flat plate-like member extending in the vertical direction along the right frame main body 35 of the middle frame 12, and the right frame main body 35. Is supported so as to be movable in the vertical direction. Here, the middle frame working body 71 includes upper and lower sliding contact plate portions 72 that are provided at upper and lower ends of the middle frame working body 71 and come into contact with the right frame main body portion 35, and the right frame main body portion 35. The connecting plate portion that is connected to the lower end portion of the upper slidable contact plate portion 72 and the upper end portion of the lower slidable contact plate portion 72 so as to be separated from the right frame main body portion 35 so as to define a space. 73, and is configured to move up and down in a state where the upper and lower sliding contact plate portions 72 are in sliding contact with the right frame main body portion 35 in accordance with the middle frame unlocking operation of the unlocking operation portion 120. . A swing plate 75 is pivotally supported on the left side surface of the continuous plate portion 73 via a support shaft 75a so as to be positioned between the continuous plate portion 73 and the right frame main body portion 35.

  As shown in FIGS. 5 and 10, one end of a tension spring member (biasing member) 76 is engaged with the swing plate 75 at an end portion protruding forward from the front edge of the connecting plate portion 73. And the other end of the tension spring member 76 whose one end is engaged with the spring latching portion 75b is engaged with the spring latching portion 35a formed on the right frame main body portion 35. Has been. That is, the swing plate 75 is biased by the tension spring member 76 so that the front end side is pulled upward. The connecting plate portion 73 is provided with a restricting protrusion 73a that protrudes toward the right frame body portion 35 at a position above the support shaft 75a that supports the swing plate 75, and is a tension spring member. The rotation of the swing plate 75 rotated around the support shaft 75a by the urging force of 76 is restricted at a position in contact with the restriction protrusion 73a. That is, the middle frame operating body 71 is always urged toward the upper middle frame locking position by the tension spring member 76 engaged with the swing plate 75. In addition, although the tension spring member 76 is employ | adopted as an urging member which urges | biases the said rocking | swiveling board 75, it is not restricted to this.

  Further, as shown in FIGS. 5 and 10, the rocking plate 75 is formed with a contact portion 75 c extending rightward at an end portion protruding forward from the front edge of the connecting plate portion 73. Has been. Here, the contact portion 75c is provided so as to be exposed to the front and left sides of the right frame main body portion 35 through the operation window portion 36c, and closes the front frame 13 with respect to the middle frame 12. In the closed state, the first operating piece 122a (described later) of the unlocking operation unit 120 is configured to face above the contact part 75c. That is, with the middle frame unlocking operation of the unlocking operation unit 120, the first operating piece 122a of the unlocking operation unit 120 contacts the contact portion 75c from above, and the contact portion 75c is pushed downward. It is like that. Here, the middle frame actuating body 71 (continuous plate portion 73) is provided with a pressing portion 74 that is spaced downward and opposed to the abutting portion 75c. The contact portion 75 c is configured to contact the pressing portion 74 when the spring member 76 is swung against the urging force of the spring member 76. That is, the first operating piece 122a pushes down the contact portion 75c of the swing plate 75 in accordance with the middle frame unlocking operation of the unlocking operation portion 120, so that the pressing portion is pressed by the contact portion 75c. 74 is pushed downward, and the middle frame operating body 71 is moved to the lower middle frame unlocking position against the urging force of the tension spring member 76. In this way, by configuring the middle frame actuating body 71 to move via the swing plate 75, it is constructed so that the middle frame actuating body 71 is not inadvertently operated and moved to the middle frame unlocking position. is there. Further, the swing plate 75 is positioned between the middle frame operating body 71 (continuous connecting plate portion 73) and the right frame main body portion 35, and the operation window portion 36c of the middle frame 12 (right frame main body portion 35). In this way, when the unauthorized device is inserted through the operation window portion 36c, the intermediate frame actuating member 71 is illegally operated by the unauthorized device. It is preventing.

(About the first middle frame engaging piece 80)
As shown in FIGS. 5 to 7, the first middle frame engagement piece 80 is pivotally supported via a support shaft 80 a extending in the left-right direction with respect to the middle frame operation body 71, and the support shaft 80 a. The first base portion (base portion) 81 extending rearward (in the direction intersecting the moving direction of the middle frame working body 71) and the rear end portion (one end portion) of the first base portion 81 and protruding upward A first claw portion (claw portion) 82 that closes the middle frame 12 with respect to the outer frame 11, and the rear surface of the outer frame engagement piece 61 has a rear surface of the first middle frame engagement piece 80 in the closed state. It is comprised so that the 1st nail | claw part 82 can contact-engage. Specifically, the first middle frame engaging piece 80 is pivoted so that it can individually swing on the right side surface of the upper and lower sliding contact plate portions 72 provided at the upper and lower ends of the middle frame working body 71. The upper first middle frame engaging piece 80 is releasably abutted and engaged with the corresponding upper outer frame engaging piece 61, and the lower first middle frame engaging piece 80 is It is configured to engage and engage with the corresponding lower outer frame engagement piece 61 in a detachable manner. In addition, the upper and lower first middle frame engaging pieces 80 in the embodiment are formed by the same configuration.

  Here, as shown in FIGS. 5 to 6, each first middle frame engagement piece 80 (first base portion 81) has an end on the front side from the support shaft 80 a that supports the first middle frame engagement piece 80. A spring latching portion 80b with which one end of a tension spring member (biasing member) 84 is engaged is provided at the portion, and the other end of the tension spring member 84 with one end engaged with the spring latching portion 80b is It is engaged with a spring hooking portion 71a formed on the middle frame operating body 71 (sliding contact plate portion 72). That is, each of the first middle frame engaging pieces 80 has the tension spring at the end located on the opposite side of the first claw portion 82 across the support shaft 80a with the middle frame operating body 71 in the first base 81. A member 84 is attached, and the first claw portion 82 is urged upward by the tension spring member 84. Therefore, in the state where the middle frame actuating body 71 is in the middle frame locking position, the first claw portion 82 can be engaged with the outer frame engagement piece 61 of the corresponding outer frame locking portion 60. 6 and the forced release position forcing the outer frame engagement piece 61 to be disengaged due to the first claw 82 being displaced downward from the engagement position against the biasing force of the tension spring member 84. Each first middle frame engaging piece 80 can be independently rocked (displaced) between the release position (the two-dot chain line position in FIG. 6). In addition, although the tension spring member 84 is employ | adopted as an urging member which urges | biases the said 1st middle frame engagement piece 80 to an engagement position, it is not restricted to this.

  That is, in the locking mechanisms 60, 70, 100, 120 of the embodiment, the middle frame actuating member 71 is moved from the middle frame locking position to the middle frame unlocking position by the middle frame unlocking operation of the unlocking operation unit 120 using a key. By moving, the engagement between the outer frame locking part 60 (outer frame engaging piece 61) and the middle frame locking part 70 (first intermediate frame engaging piece 80) is simultaneously released, and the inner frame 12 is moved to the outer frame 11. On the other hand, the upper and lower first middle frame engaging pieces 80 can be simultaneously and forcibly moved to the forcible release position, thereby locking the outer frame without using the unlocking operation unit 120 using a key. The structure is such that the engagement between the portion 60 (outer frame engaging piece 61) and the middle frame locking portion 70 (first middle frame engaging piece 80) is released, and the middle frame 12 can be opened with respect to the outer frame 11. Has been. On the other hand, when one of the upper and lower first middle frame engagement pieces 80 is forcibly moved to the forcible release position, the other first middle frame engagement piece 80 is held at the engagement position. Thus, the abutting engagement between the outer frame locking part 60 (outer frame engaging piece 61) and the middle frame locking part 70 (first intermediate frame engaging piece 80) is maintained, and the intermediate frame 12 is moved to the outer frame 11. On the other hand, it cannot be opened.

  Further, as shown in FIGS. 5 and 10, the first middle frame engagement piece 80 (first base portion 81) has the middle frame working body 71 at the engagement position of the first middle frame engagement piece 80. A first restricting portion 81a that is in contact with the spring retaining portion 71a from above is formed, and the middle frame operating body 71 is provided with the first middle frame engaging piece 80 at the position where the first middle frame engaging piece 80 is forcibly released. A second restricting portion 73b with which the lower end portion of the first base portion 81 of the middle frame engaging piece 80 abuts from above is formed. That is, the middle frame actuating body 71 is held at the engagement position by restricting the rotational movement by the tension spring member 84 by the first restricting portion 81a coming into contact with the spring hooking portion 71a. The lower end portion of the first base 81 abuts against the second restricting portion 73b, so that the rotational movement against the tension spring member 84 is restricted and held at the forcible release position. Here, the second restricting portion 73b is provided at a position where the tension spring member 84 engaged with the first middle frame engaging piece 80 is elastically deformed without losing spring characteristics (restoring force). In addition, the first middle frame engaging piece 80 that has been rotationally displaced to the forcible release position can be returned to the engagement position by the biasing force of the tension spring member 84. In other words, by restricting the rotation of the first middle frame engagement piece 80 by the second restriction portion 73b, the first middle frame engagement piece 80 is forcibly rotated and displaced from the engagement position by an unauthorized instrument or the like. In this case, the tension spring member 84 that holds the first middle frame engagement piece 80 in the engagement position is prevented from being broken.

  As shown in FIGS. 5 to 7, the middle frame working body 71 extends upward from the upper end portion of the connecting plate portion 73 and the upper end portion is connected to the upper sliding contact plate portion 72. An upper support piece 78a is formed, and an insertion hole 71b that opens back and forth is formed between the upper support piece 78a and the upper sliding contact plate part 72. Similarly, the lower support piece that extends downward from the lower end portion of the connecting plate portion 73 and has the lower end portion connected to the lower sliding contact plate portion 72 is provided in the middle frame working body 71. 78b is formed, and an insertion hole 71b that opens back and forth is formed between the lower support piece 78b and the lower sliding contact plate portion 72.

  Then, as shown in FIG. 7, the first base portion 81 of the first middle frame engaging piece 80 supported by the upper and lower sliding contact plate portions 72 is inserted from the front into the corresponding upper and lower insertion hole portions 71b. The first claw portion 82 of each first middle frame engagement piece 80 is configured to be positioned behind the support pieces 78a and 78b. Here, the opening width in the left-right direction of the insertion hole 71b is set to be substantially the same as the left and right thickness dimensions of the first middle frame engagement piece 80 inserted through the insertion hole 71b. Accordingly, the right side surface of the first middle frame engaging piece 80 inserted through the insertion hole 71b comes into contact with the support (contacts the opening edge of the insertion hole 71b), and the right frame body of the middle frame 12 Displacement of the first claw portion 82 in the direction away from the portion 35 (direction intersecting with the moving direction to the engagement position and the forced release position) is restricted. That is, when the first middle frame engaging piece 80 is pulled sideways by an unauthorized tool, the first middle frame engaging piece 80 is bent from the pivot end of the first base portion 81 in the vertical direction. The support pieces 78a and 78b prevent the first middle frame engagement piece 80 from being disengaged from the outer frame engagement piece 61.

(About the second middle frame engagement piece 90)
As shown in FIGS. 5, 6, and 10, the middle frame locking portion 70 includes a plurality of (in the embodiment,) disposed in the middle frame 12 so as to correspond to the plurality of front frame engaging pieces 110. 3) second middle frame engagement pieces (second engagement pieces) 90, and each of the front frame actuating bodies 105 constituting the front frame locking portion 100 is in the front frame locking position, The second middle frame engaging piece 90 engages with the corresponding front frame engaging piece 110, and the front frame actuating body 105 moves to the front frame unlocking position in accordance with the unlocking operation with the key. The middle frame engaging piece 90 is configured to be disengaged from the corresponding front frame engaging piece 110. That is, when the front frame engaging piece 110 and the second middle frame engaging piece 90 are engaged in the front frame locking position, the front frame 13 and the middle frame 12 are held in a closed state, and the front frame unlocking is performed. The front frame engaging piece 110 and the second middle frame engaging piece 90 are disengaged at the position so as to allow relative opening of the front frame 13 and the middle frame 12.

  As shown in FIGS. 5, 6, and 10, each of the second middle frame engaging pieces 90 is pivotally supported via a support shaft 90 a that extends in the left-right direction on the right side surface of the right frame main body 35. And a second claw portion (second claw portion) 92 provided at the front end portion (one end portion) of the second base portion 91 and projecting upward, In the closed state in which the frame 12 is closed, the second claw portion 92 of the second middle frame engagement piece 90 can be brought into contact with and engaged with the front surface of the front frame engagement piece 110. Specifically, the second middle frame engaging piece 90 is individually pivotally supported behind the first through holes 36a in the right frame main body portion 35, so that the second middle frame engaging piece 90 on the upper side. Engages and detachably engages with the corresponding upper front frame engagement piece 110, and the intermediate second intermediate frame engagement piece 90 removably contacts the corresponding intermediate front frame engagement piece 110. While being engaged, the lower second middle frame engaging piece 90 is configured to abut and engage with the corresponding lower front frame engaging piece 110 in a detachable manner. In addition, each 2nd middle frame engaging piece 90 in an Example is formed by the same structure.

  As shown in FIG. 6, each of the second middle frame engaging pieces 90 has the second claw portion 92 moved upward by a torsion spring member (biasing member) 93 engaged with the right frame main body portion 35. An upper engagement position (a solid line position in FIG. 6) that is biased toward and can engage the front frame engagement piece 110 of the corresponding front frame locking portion 100 with each of the second middle frame engagement pieces 90. And the lower forcible release position (the two-dot chain line position in FIG. 6) where the second claw portion 92 cannot be engaged with the front frame engagement piece 110 by swinging downward from the engagement position. Can swing. That is, even if any of the second middle frame engagement pieces 90 is swung from the engagement position to the forcible release position by an unauthorized tool or the like, the other second middle frame engagement pieces 90 and the front frame engagement pieces Since the engagement with 110 is maintained, the front frame 13 is not illegally released. In addition, although the torsion spring member 93 is employ | adopted as an urging member which urges | biases the said 2nd middle frame engagement piece 90 to an engagement position, it is not restricted to this.

(Regulating member 95)
Further, as shown in FIGS. 5 and 8, the middle frame locking portion 70 is moved from the middle frame locking position of the middle frame actuating body 71 with the front frame 13 opened to the middle frame 12. A regulating member 95 that regulates movement to the lock position is provided. The restricting member 95 includes a flat plate portion 96 that is pivotably supported around a support shaft 96a in a state of facing the right side surface of the right frame main body portion 35 in the middle frame 12, and an upper end portion of the flat plate portion 96. And a restriction receiving piece 97 extending in the right direction and an operation receiving piece 98 extending in the right direction provided at the front end of the flat plate portion 96. Here, the restricting member 95 is an unlocking state in which the receiving portion 71 c provided at the front end of the middle frame actuating body 71 faces the upper side of the restricting receiving piece 97 at the middle frame locking position of the middle frame actuating body 71. Swing between the restricting position (see FIG. 8 (a)) and the unlocking allowable position (see FIG. 8 (b)) where the restricting receiving piece 97 is retracted forward from the receiving portion 71c at the middle frame locking position. It is configured to be able to. That is, in a state where the restricting member 95 is in the unlocking restricting position, the receiving portion 71c comes into contact with the restricting receiving piece 97 from above, so that the middle frame unlocking position from the middle frame locking position of the middle frame operating body 71 is achieved. When the movement to the position is restricted and the restriction member 95 is in the unlocking allowable position, the middle frame locking of the middle frame operating body 71 is prevented from coming into contact with the restriction receiving piece 97 from above with the receiving portion 71c. Movement from the position to the middle frame unlocking position is allowed. Each of the restricting members 95 is urged toward the unlocking restricting position by a torsion spring member (urging member) 99 engaged with the right frame main body 35 and the restricting member 95. In addition, although the torsion spring member 99 is employ | adopted as a biasing member which biases the said limitation member 95 to an unlocking control position, it is not restricted to this.

  Further, as shown in FIG. 8 (a), in a state where the restricting member 95 is in the unlocking restricting position, the operation receiving piece 98 comes into contact with the rear surface of the connecting wall 36 of the right frame main body portion 35, and The rear opening of the second through hole 36b formed in the connecting wall 36 is configured to be closed. That is, in a state where the front frame 13 is opened with respect to the middle frame 12, the regulating member 95 is held at the unlocking regulated position by the urging force of the torsion spring member 99, so In a state where the displacement from the frame locking position to the middle frame unlocking position is restricted and the front frame 13 is closed with respect to the middle frame 12, the front frame to be described later inserted through the second through hole 36b of the connecting wall 36. When the 13 projecting pieces 103b press the operation receiving piece 98 backward (see FIG. 8B), the regulating member 95 is displaced from the unlocking restricting position to the unlocking allowable position, and the unlocking operation by the key is performed. The displacement from the middle frame locking position of the middle frame actuating body 71 to the middle frame unlocking position is allowed with the middle frame unlocking operation of the part 120. In this way, by controlling the displacement from the middle frame locking position of the middle frame actuating body 71 to the middle frame unlocking position with the front frame 13 opened with respect to the middle frame 12, The frame operating body 71 is prevented from being illegally operated.

(About the front frame locking part 100)
As shown in FIGS. 1, 2, and 9, the front frame locking portion 100 is movable to the support guide portion 101, and a support guide portion 101 disposed at the right end of the rear surface of the front frame base portion 41. To the front frame actuating body 105 which is moved from the front frame unlocking position to the front frame unlocking position in accordance with the unlocking operation of the front frame of the unlocking operation unit 120 by the key, and the second middle frame engaging piece 90. A plurality of (three in the embodiment) are provided on the front frame actuating body 105 so as to engage with the corresponding second middle frame engaging pieces 90 in a state where the front frame actuating body 105 is in the front frame locking position. ) Front frame engaging piece 110. The support guide portion 101 is a metal member that is long in the vertical direction. The support plate portion 102 is attached to the front frame base portion 41, and the left edge portion of the attachment plate portion 102 is moved backward. It is comprised from the guide plate part 103 formed by bending. The guide plate portion 103 is positioned to the left of the second middle frame engaging piece 90 protruding from the first through hole 36a of the middle frame 12 in a closed state where the front frame 13 is closed with respect to the middle frame 12. In addition, a plurality of holding pieces 103a bent in the right direction from the rear edge portion of the guide plate portion 103 are formed apart from each other in the vertical direction (four in the embodiment). The upper end portion of the holding piece 103a is formed to be bent forward, and the front frame operating body 105 is supported between the holding piece 103a and the guide plate portion 103 so as to be movable in the vertical direction. It has become. Further, an installation plate 104 extending leftward from the rear edge of the guide plate portion 103 is provided at a substantially central position in the vertical direction of the guide plate portion 103, and the unlocking operation portion is provided on the installation plate 104. 120 is fixed.

  As shown in FIG. 9, the front frame actuating body 105 is a long flat plate member having a vertical length slightly shorter than the support guide portion 101 and is in contact with the right surface of the guide plate portion 103. It is held between the holding piece 103a and the guide plate portion 103 so as to be movable up and down. In addition, a plurality of (three in the embodiment) front frame engaging pieces 110 are formed on the rear edge of the front frame actuating body 105 so as to extend to the right. The front surface of the frame engagement piece 110 is configured to be detachably engaged with the second middle frame engagement piece 90 of the middle frame locking portion 70. A spring hooking portion 105a for supporting the upper end portion of the tension spring member 108 is formed on the right side surface of the front frame actuating body 105, and is supported by the spring hooking portion 105a of the front frame actuating body 105. The lower end portion of the tension spring member 108 is supported by a spring hooking portion 102a formed on the attachment plate portion 102 of the support guide portion 101, and the front frame is actuated by the elastic force (biasing force) of the tension spring member 108. The body 105 is urged downward. That is, the front frame actuating body 105 is always held at the lower front frame locking position by the biasing force of the tension spring member 108 and moves to the upper front frame unlocking position against the biasing force of the tension spring member 108. It is configured to be movable. In the closed state in which the front frame 13 is closed with respect to the middle frame 12, the front frame actuating body 105 is positioned at the front frame locking position, so that the front frame engaging piece 110 becomes the second middle frame engaging piece 90. The front frame 13 is locked to the middle frame 12 by engaging, and the front frame actuating body 105 is moved to the front frame unlocking position, whereby the front frame engaging piece 110 and the second middle frame engaging piece 90 are moved. And the front frame 13 can be released from the middle frame 12. Further, the front frame actuating body 105 is formed with an engaging operation portion 106 extending backward from the installation plate 104 at a position corresponding to the installation plate 104. As the frame unlocking operation is performed, the second operating piece 122b comes into contact with the lower end portion of the engagement operating unit 106 from below and is pressed upward, so that the front frame actuating body 105 is disengaged from the front frame locking position. It can be moved to the lock position.

(Unlocking operation unit 120)
As shown in FIG. 9, the unlocking operation unit 120 includes a lock body 121 having a key hole 121 a into which a key (not shown) can be inserted formed in the front end surface, and a lock body 121 provided at the rear end of the lock body 121. A rotating plate 122 that rotates in accordance with a rotating operation (unlocking operation) of a key inserted into the hole 121a, a first operating piece 122a that extends radially outward from the outer peripheral portion of the rotating plate 122, and A lock body 121 protruding forward on the front side of the installation plate 104, and a rotating plate 122 (first and second operation pieces 122a, 122a on the back side of the installation plate 104). 122b) is located. Here, the first operating piece 122a is formed so as to extend outward in the radial direction of the rotating plate 122 after being bent backward from the periphery of the rotating plate 122, and the second operating piece. 122b is provided in the same position as the plate | board surface of the rotation board 122, and it is comprised so that the 1st action piece 122a and the 2nd action piece 122b may be located in the front-back direction. That is, the first operating piece 122a is configured to be located behind the engaging operation portion 106 of the front frame operating body 105.

  In the closed state in which the front frame 13 is closed with respect to the middle frame 12, the first operating piece 122a faces above the contact portion 75c of the swing plate 75 in the middle frame locking portion 70, and The contact portion 75c is positioned on the movement locus of the first operating piece 122a accompanying the right rotation of the turntable 122. That is, the unlocking operation unit 120 performs the first operation by rotating the key inserted into the key hole 121a of the lock body 121 in one direction (right rotation direction in the embodiment) (unlocking operation in the middle frame). The piece 122a is configured to push down the swing plate 75 (that is, the middle frame actuating body 71), whereby the middle frame actuating body 71 is moved from the middle frame locking position to the middle frame unlocking position, and The abutment engagement between the 1 middle frame engagement piece 80 and the outer frame engagement piece 61 of the outer frame 11 is released, and the middle frame 12 is unlocked with respect to the outer frame 11.

  Further, in the closed state in which the front frame 13 is closed with respect to the middle frame 12, the second operation piece 122 b faces the lower side of the engagement operation unit 106 in the front frame locking unit 100, and the rotating plate 122. The engagement operation unit 106 is positioned on the movement locus of the second operating piece 122b accompanying the counterclockwise rotation. That is, the unlocking operation unit 120 rotates the key inserted in the key hole 121a of the lock body 121 in the other direction (left rotation direction in the embodiment) (front frame unlocking operation), thereby performing the second operation. The piece 122b is configured to push up the engagement operation unit 106 (that is, the front frame actuating body 105), whereby the front frame actuating body 105 is moved from the front frame locking position to the front frame unlocking position. The contact engagement between the second middle frame engaging piece 90 and the front frame engaging piece 110 of the front frame 13 is released, and the front frame 13 is unlocked with respect to the middle frame 12.

(Operation of Example)
Next, the operation of the pachinko machine 10 according to the embodiment configured as described above will be described.

  In a state where the middle frame 12 is closed with respect to the outer frame 11, as shown in FIG. 10 (a), the middle frame actuating body 71 of the middle frame locking part 70 is held at the middle frame locking position, and The first claw portions of the first middle frame engagement pieces 80 are held by the first claw portions 82 of the upper and lower first middle frame engagement pieces 80 provided in the middle frame operation body 71 at the engagement position. 82 abuts and engages with the rear surface of the corresponding outer frame engaging piece 61 of the outer frame locking portion 60, and the inner frame 12 is locked against the outer frame 11 so as not to be opened. When the front frame 13 is closed with respect to the middle frame 12, as shown in FIG. 10 (a), the front frame actuating body 105 of the front frame locking portion 100 is held at the front frame locking position. The second claw portions 92 of the plurality of (three in the embodiment) second middle frame engaging pieces 90 constituting the middle frame locking portion 70 are held at the engagement positions, so that each second middle frame engagement The second claw portion 92 of the joining piece 90 abuts and engages with the front surface of the corresponding front frame engaging piece 110 provided on the front frame actuating body 105 so that the front frame 13 cannot be opened with respect to the middle frame 12. Locked to. And in the state which closed the front frame 13 with respect to the said middle frame 12, each protrusion of the front frame locking part 100 inserted in the 2nd through-hole 36b opened in the middle frame 12 (right frame main-body part 35). The piece 103b presses the operation receiving piece 98 of the restricting member 95 in the middle frame locking portion 70, and the restricting member 95 is displaced from the unlocking restricting position to the unlocking allowable position, so that the middle frame actuating body 71 is moved in the middle. It can be moved from the frame locking position to the middle frame unlocking position.

  Further, when the middle frame 12 is closed with respect to the outer frame 11 and the front frame 13 is closed with respect to the middle frame 12, the key inserted into the key hole 121a of the lock body 121 in the unlocking operation unit 120 is inserted. With the middle frame unlocking operation that rotates in one direction (right rotation direction), the unlocking operation unit 120 that comes into contact with the contact part 75c provided on the swing plate 75 of the middle frame locking part 70 from above. The swing plate 75 is pushed downward by the first operating piece 122a. Then, when the swinging plate 75 is pushed downward, the middle frame operating body 71 that supports the swinging plate 75 is moved from the middle frame locking position to the middle frame unlocking position, and the middle frame operation is performed. The first claw portions 82 of the upper and lower first middle frame engaging pieces 80 supported by the body 71 are spaced downward from the rear surface of the corresponding outer frame engaging pieces 61 of the outer frame locking portion 60 and are simultaneously engaged. By being released, the middle frame 12 is unlocked with respect to the outer frame 11 (see FIG. 10B). In addition, since the middle frame actuating body 71 is constantly urged from the middle frame unlocking position toward the middle frame unlocking position, the first operating piece of the unlocking operation unit 120 after the middle frame unlocking operation. 122a can be pushed back by the middle frame operating body 71 (swing plate 75), and the middle frame working body 71 can be reliably held at the middle frame locking position. Then, the rocking plate 75 is interposed between the first working piece 122a and the middle frame working body 71, so that even if the first working piece 122a is not completely returned to the initial position, the middle frame working body 71 is moved. It can be held at the middle frame locking position, and the middle frame 12 can be prevented from being opened unintentionally. In addition, since the swing plate 75 is positioned between the operation window portion 36c where the first operation piece 122a faces and the middle frame operation body 71, the illegal instrument through the operation window portion 36c with respect to the middle frame operation body 71 is obtained. Can prevent unauthorized operation.

  When the front frame 13 is closed with respect to the middle frame 12, the front frame for rotating the key inserted into the key hole 121a of the lock body 121 in the unlocking operation unit 120 to the other (left rotation direction). Along with the unlocking operation, it is pushed upward by the second operating piece 122b of the unlocking operation unit 120 that comes into contact with the engagement operation unit 106 provided on the front frame operating body 105 of the front frame locking unit 100 from below. When the front frame actuating body 105 is moved from the front frame locking position to the front frame unlocking position, each front frame engaging piece 110 supported by the front frame actuating body 105 corresponds to the second middle frame engaging piece 90. The front frame 13 is unlocked so that the front frame 13 can be opened with respect to the middle frame 12 by being spaced apart upward from the second claw portion 92 and simultaneously being disengaged (see FIG. 10C). Further, since the front frame actuating body 105 is constantly urged from the front frame unlocking position to the front frame locking position by the tension spring member 108 and its own weight, after the front frame unlocking operation, the unlocking operation unit The second operating piece 122b of 120 can be pushed back by the front frame operating body 105, and the front frame operating body 105 can be reliably held at the front frame locking position. In a state where the front frame 13 is opened with respect to the middle frame 12, each protruding piece 103b of the front frame locking portion 100 is pulled forward from the second through hole 36b of the middle frame 12 (right frame main body portion 35). As a result, the regulating member 95 in the middle frame locking part 70 is displaced from the unlocking allowable position to the unlocking restriction position, and the middle frame actuating body 71 can be moved from the middle frame locking position to the middle frame unlocking position. Disappear. For this reason, even if the front frame 13 is illegally opened with respect to the middle frame 12 by an unauthorized tool or the like, the middle frame 12 cannot be unlocked by operating the middle frame operating body 71. Unauthorized opening of the middle frame 12 with respect to the outer frame 11 can be prevented.

  Here, the upper and lower first middle frame engagement pieces 80 are moved from the middle frame locking position to the middle frame unlocking position in accordance with the middle frame unlocking operation by the key. 71 is supported so that it can be individually displaced to the engagement position and the forced release position. Therefore, the first middle frame engagement piece 80 is forcibly displaced to the forcible release position by an unauthorized instrument or the like without using the middle frame unlocking operation of the unlocking operation unit 120 using a key. Even when operated, the other first middle frame engagement piece 80 is held in the engagement position, so that the engagement state (locked state) between the middle frame locking portion 70 and the outer frame locking portion 60 is maintained. Thus, unauthorized opening of the middle frame 12 with respect to the outer frame 11 can be prevented.

  Further, the outer frame engaging piece 61 of the outer frame locking part 60 with which the inner frame locking part 70 is detachably engaged is the engagement of the corresponding first intermediate frame engaging piece 80 with the rear surface. A bent portion 63 extending rearward from the outer peripheral edge portion (upper edge portion and left edge portion 33b) of the plywood portion 62 is formed. That is, the first middle frame engagement piece according to the displacement between the middle frame locking position and the middle frame unlocking position of the middle frame operating body 71 or the displacement between the engagement position and the forced release position. By forming the outer frame engaging piece 61 so that the bent portion 63 bends from the edge portion excluding the edge portion (that is, the lower edge portion) 80 is approaching and separating from the rear surface of the engaging plate portion 62, the engaging plate portion The first middle frame engagement piece 80 that is in contact with and engaged with the rear surface of 62 (outer frame engagement piece 61) can be surrounded by the bent portion 63. For this reason, it is difficult to make the unauthorized device reach the first middle frame engagement piece 80 that engages with the outer frame engagement piece 61 (engagement plate portion 62), and the first middle frame engagement piece 80 is forced. Therefore, it is possible to prevent the middle frame 12 from being illegally opened with respect to the outer frame 11.

  Each of the upper and lower first middle frame engaging pieces 80 is defined between the middle frame actuating body 71 (specifically, the corresponding upper and lower sliding contact plate portions 72) and the support pieces 78a and 78b. The first base portion 81 is inserted through the insertion hole portion 71b. For this reason, it is intended to open the middle frame 12 with respect to the outer frame 11 without engaging the middle frame unlocking operation with the key inserted into the unlocking operation unit 120, and is hooked on the first middle frame engaging piece 80. Even when an illegal act of deforming the first middle frame engagement piece 80 is performed so that the engagement of the unauthorized device with the outer frame engagement piece 61 is released, the engagement position and the forced release position are not changed. Since the deformation of the first middle frame engaging piece 80 in the direction crossing the moving direction can be restricted by the support pieces 78a and 78b, the first middle frame engaging piece 80 is in relation to the corresponding outer frame engaging piece 61. It is possible to prevent the engagement from being disabled, and it is possible to prevent the middle frame 12 from being illegally opened with respect to the outer frame 11.

  Each first middle frame engaging piece 80 is positioned on the opposite side of the first claw portion 82 across the support shaft 80a of the first base portion 81 in the first base portion 81 supported by the middle frame operating body 71. It is comprised so that it may be hold | maintained in an engagement position by the urging | biasing of the tension spring member 84 attached to the edge part to perform. For this reason, it is difficult for an unauthorized instrument inserted in an attempt to perform an unauthorized operation of the first middle frame engagement piece 80 to reach the tension spring member 84, and it is destroyed by cutting the tension spring member 84 or the like. The tension spring member 84 can be prevented from being detached from the middle frame operating body 71 and the first middle frame engaging piece 80, and the first middle frame engaging piece 80 can be stably held at the engaged position. Further, since the first middle frame engaging piece 80 is configured to be restricted by a second regulating portion 73b provided in the middle frame operating body 71, the operator can engage with the first middle frame engaging piece. To prevent the tension spring member 84 from being damaged when the joining piece 80 is displaced to the forcible release position or when the first middle frame engagement piece 80 is forcibly displaced to the forcible release position by an unauthorized tool. Can do.

(Example of change)
Note that the configuration of the gaming machine according to the present invention is not limited to that shown in the above-described embodiments, and various modifications can be made.

(1) In the embodiment, a plurality of engagement receiving portions (outer frame engaging pieces) are provided on the outer frame as the first base, and the locking position and the unlocking position are provided on the inner frame as the second base. A plurality of engagement pieces (first middle frame engagement pieces) that are detachably engaged with the engagement receiving portion are provided corresponding to the movable body (intermediate frame action body), Each of the engagement pieces (first middle frame engagement pieces) can be independently displaced to the engagement position and the forced release position, but the first base body and the second base body are outside of these. It is not limited to the frame and the middle frame. That is, the middle frame may be the first base and the front frame may be the second base, and the engagement receiving portion, the operating body, and the engagement piece may be provided on the middle frame and the front frame. The middle frame may be the first base and the outer frame may be the second base, the front frame may be the first base and the middle frame may be the second base.
(2) The first base and the second base are not limited to the outer frame, the middle frame, and the front frame, and are supported by a hinge connection so that they can be opened and closed relatively. Two members configured to allow relative opening may be a first substrate and a second substrate. For example, when the ball tray member is provided to be openable and closable with respect to the frame body of the middle frame and the front frame, and the ball tray member can be opened by an unlocking operation with a key, the frame body and the ball One of the dish members can be a first base and the other can be a second base. Similarly, if the game board holding frame for detachably holding the game board is provided so as to be openable and closable with respect to the middle frame, one of the middle frame and the game board holding frame is the first base, and the other is the first board. 2 substrates.
(3) In the embodiment, the two engaging pieces (first middle frame engaging pieces) are provided so as to be vertically separated from the operating body. However, three or more engaging pieces are provided. May be.
(4) In the embodiment, each engaging piece (first middle frame engaging piece) is configured to swing around the support shaft with respect to the operating body (middle frame operating body). The operating piece may be provided so that the combined piece can be translated in the vertical direction. That is, each engagement piece includes an engagement position that can be engaged with the engagement receiving portion in a state where the operating body is in the locked position, and a forced release position where the engagement with the engagement receiving portion is released. Any configuration can be used as long as it can be individually displaced.
(5) In the embodiment, the engagement receiving portion (outer frame engagement piece) provided on the first base is formed in a box shape that opens downward and rearward from the engagement plate portion and the bent portion. The engagement receiving portion may be formed in a box shape that opens only in the direction in which the engagement piece moves with engagement and disengagement. In this case, the entire engagement portion between the engagement receiving portion and the corresponding engagement piece is surrounded, so that it is possible to make it more difficult to perform an illegal act using an unauthorized device.
(6) In the embodiment, the left and right sides of the outer frame and the middle frame, the front frame and the left side of the middle frame are provided with hinges, and the right side is provided with a locking mechanism. It can also be set as the structure arrange | positioned on the opposite side part.
(7) In the embodiment, a pachinko machine in which a game is played using a pachinko ball as a game medium has been described as an example. However, the present invention is not limited to this, and an arrangement ball machine, a pinball machine, a slot machine machine (rotating type) Various gaming machines such as a gaming machine) can be adopted.
For example, a slot machine (cylinder-type game machine) has a box-shaped housing that opens forward, and a front door that closes the front opening of the housing is hinged so that it can be opened and closed, and a plurality of symbols are arranged. A reel (rotating body) is arranged inside the housing so that it can be seen from the front side. Then, when the player operates a predetermined start operation means (start lever), the reel (rotary body) rotates and the symbol starts to change, and the determination of success / failure related to the success / failure of the change game is performed, This is a controlled gaming machine that executes symbol stop control based on the determination of success / failure in response to an operation of a predetermined stop operation means (stop button), and is provided with a gaming profit depending on the combination of symbols stopped. In such a slot machine, the casing and the front door can be employed as the first base and the second base.

11 Outer frame (first base)
12 Middle frame (second base)
33 Left frame (side to be hinged)
34 Right frame (side opposite to the side to be hinged)
60 Outer frame locking part (locking mechanism)
61 Outer frame engagement piece (engagement receiving part)
62 Engaging plate part 63 Bent part 70 Middle frame locking part (locking mechanism)
71 Middle frame actuator (actuator)
71b Insertion hole 80 First middle frame engagement piece (engagement piece)
81 1st base (base)
82 First nail part (nail part)
84 Tension spring member (biasing member)
100 Front frame locking part (locking mechanism)
120 Locking operation part (locking mechanism)

Claims (2)

A first base and a second base which are hinged and can be opened / closed relatively, and are provided on the first base and the second base to hold both bases in a closed state and by an unlocking operation using a key. In a gaming machine provided with a locking mechanism that allows relative opening of both bases,
The locking mechanism is
A plurality of engagement receiving portions provided on one of the first and second substrates;
An operating body that is provided on the other base of the first and second bases and is moved from the locking position to the unlocking position in accordance with the unlocking operation with the key;
The operating body is provided so as to correspond to the plurality of engagement receiving portions, and is engaged with the corresponding engagement receiving portion in a state where the operating body is in the locked position, and the operating body is in the unlocked position. A plurality of engagement pieces to be disengaged from corresponding engagement receiving portions,
The first and second bases are held in a closed state by engaging the engagement receiving portion and the engagement piece in the locked position, and the engagement receiving portion and the engagement piece are engaged in the unlocked position. Configured to allow relative opening of the first and second substrates by releasing the combination ;
Each of the plurality of engagement pieces includes an engagement position that can be engaged with the corresponding engagement receiving portion in a state where the operating body is in the locked position, and an engagement between the corresponding engagement receiving portion. Rutotomoni but with adapted be individually displaced between the forced release position is released, the biasing member for biasing the said engaging position are provided corresponding to each of the respective engaging pieces ,
The actuating body is provided on a side portion opposite to the side portion to which the corresponding first base or second base is hinge-connected so as to move along the side portion in accordance with the unlocking operation with a key. In addition, an insertion hole portion that opens in a direction intersecting the moving direction of the operating body is formed,
The engagement piece is supported by the operating body so as to be able to move to the engagement position and the forced release position, and extends in a direction crossing the moving direction of the operating body, and one end of the base section Provided with a claw portion that is detachably engaged with the corresponding engagement receiving portion,
When the base of the engagement piece is inserted into the insertion hole of the operating body, and the base of the operating body contacts the opening edge of the insertion hole, the movement direction to the engagement position and the forced release position A gaming machine configured to restrict displacement of the engagement piece in a direction intersecting with the game machine. A first base and a second base which are hinged and can be opened / closed relatively, and are provided on the first base and the second base to hold both bases in a closed state and by an unlocking operation using a key. In a gaming machine provided with a locking mechanism that allows relative opening of both bases,
The locking mechanism is
A plurality of engagement receiving portions provided on one of the first and second substrates;
An operating body that is provided on the other base of the first and second bases and is moved from the locking position to the unlocking position in accordance with the unlocking operation with the key;
The operating body is provided so as to correspond to the plurality of engagement receiving portions, and is engaged with the corresponding engagement receiving portion in a state where the operating body is in the locked position, and the operating body is in the unlocked position. A plurality of engagement pieces to be disengaged from corresponding engagement receiving portions,
The first and second bases are held in a closed state by engaging the engagement receiving portion and the engagement piece in the locked position, and the engagement receiving portion and the engagement piece are engaged in the unlocked position. And is configured to allow relative opening of the first and second substrates by releasing the combination,
Each of the plurality of engagement pieces includes an engagement position that can be engaged with the corresponding engagement receiving portion in a state where the operating body is in the locked position, and an engagement between the corresponding engagement receiving portion. Rutotomoni but with adapted be individually displaced between the forced release position is released, the biasing member for biasing the said engaging position are provided corresponding to each of the respective engaging pieces ,
The engagement receiving portion includes an engagement plate portion with which the engagement piece engages, and a bent portion bent from an edge portion except the edge portion with which the engagement piece engages in the engagement plate portion. A gaming machine characterized by that.

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