JP4062487B2 - Game machine lock device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention unlocks a locking device that locks the outer frame and the front frame by inserting a wire such as a piano wire through a gap between the outer frame and a ball lending device of an adjacent gaming machine. Thus, the present invention relates to a locking device for a gaming machine for preventing the front frame from being illegally opened.
[0002]
[Prior art]
As a locking device that prevents the front frame that is hinged to the outer frame from opening to the outer frame that constitutes the gaming machine, a gaming surface is provided on the back edge of the open end of the front frame. A lock plate member that is mounted substantially perpendicular to the game surface of the front frame via a mounting member having a substantially L-shaped cross section so that it can be moved up and down within a perpendicular vertical plane, and at both upper and lower ends of the lock plate member A pair of flange members provided respectively, and a pair of engagement pieces provided on the outer frame so as to be engageable with the pair of flange members, the engagement between the flange members and the engagement pieces There is known a configuration in which the front frame can be opened with respect to the outer frame by releasing.
[0003]
FIG. 9 is a right side view of the upper end portion of the conventional locking device having the above configuration. In this conventional locking device, hooks 62 are integrally provided on the upper and lower ends of the lock plate 61, respectively. Therefore, a wire W having rigidity such as a piano wire is inserted from a gap between the outer frame F ₁ and a ball lending device of an adjacent gaming machine, and the hooking portion Wa at the tip of the wire W is When the wire W is hooked on the engaging portion 62a of the hook piece 62 and pulled downward or obliquely downward, a pair of hook pieces 62 are integrally formed at the upper and lower ends as shown by solid lines in FIG. tablets plate 61 that is, go down, it is disengaged from the engagement piece 63 provided on the outer frame F ₁ and the hook piece 62, the lock device is unlocked improperly. As a result, the front frame F ₂ may be opened with respect to the outer frame F ₁ , and the ROM or the like in the control box mounted on the back side of the front frame F ₂ may be exchanged illegally. In FIG. 8, reference numeral 64 denotes an attachment plate having an L-shaped cross section for attaching the lock plate 61 to the front frame F ₂ , and F ₃ is attached to the front frame F _{2 so as} to be able to open one side. A glass frame is shown.
[0004]
Japanese Utility Model Publication No. 4-32150 discloses a structure related to another structure of the above-described locking device. In this locking device, a pair of eaves members are rotatably supported via rotation pins on upper and lower ends of an upright plate portion that is substantially orthogonal to the game surface of the front frame of the mounting member having a substantially L-shaped cross section. The operation of the unlocking unit comprising a cylinder lock is connected to the upper and lower ends of the lock plate member that moves up and down along the mounting plate portion so that another part of the pair of hook members is pivotally connected via a connecting pin. By moving the lock plate member up and down by means of the above, the pair of flange members are simultaneously rotated about the respective fulcrum pins to release the engagement with the engagement pieces attached to the outer frame. The locking of the front frame with respect to the frame is unlocked so that the front frame can be opened on one side.
[0005]
In the locking device described in the publication, the pair of hook members are rotatably attached to the upright plate portion of the attachment member via a fulcrum pin, and are connected via a connection pin at a portion different from the fulcrum pin. Since it is a structure connected to the lock plate member, when one of the collar members is rotated by an unauthorized operation, the lock plate member is moved and the other collar member is rotated in the same direction, so that the pair of collar members And the engagement with the engagement piece of the outer frame is released. As a result, there is a problem that the locking of the front frame with respect to the outer frame is unlocked only by rotating one of the flange members, and the front frame is opened illegally.
[0006]
[Problems to be solved by the invention]
An object of the present invention is to prevent the locking device from being unlocked by an unauthorized operation with a simple structure in a locking device that locks the front frame to the outer frame.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention described in claim 1 has an outer frame that covers the periphery and a game surface that can be viewed by a player, and is opened and closed in a left-right-side open state on the front side of the outer frame. In a gaming machine having a front frame that is hinged to be able to be hinged, it is detachably locked to a pair of upper and lower engaging pieces fixed to the inner upper and lower parts of the vertical frame material on the opposite side of the outer frame to the hinge coupling side. Preferably, a mounting plate fixed along the vertical direction on the back surface of the open end side of the front frame, and an upward engagement direction by a first tension spring assembled to the mounting plate so as to be slidable in the vertical direction. And a lock plate that is slidable in the downward unlocking direction against the biasing force of the first tension spring by an unlocking operation using a key, and an upper end portion and a lower end portion of the lock plate. Each pin is cantilevered and pivoted in a rear-facing state. The second tension spring is biased and held in an upward engagement posture with respect to the engagement piece, and is moved downward by the unlocking operation of the lock plate to release the engagement with the pair of engagement pieces. A locking device comprising a pair of upper and lower hook pieces, wherein the lock plate is appropriately moved up and down in relation to the rotation of the hook pieces, and the lock plate and the hook are provided at a predetermined portion of the lock plate. while maintaining engagement with the strip, for holding the engagement posture position relative to the front Symbol engaging piece the hook piece engages in a state in which the lower edge and appropriately turning is allowed of the hook pieces In the middle of closing the front frame with respect to the outer frame, the locking plate is moved downward against the urging force of the first tension spring while the lock plate is moved downward. An inclined sliding surface that slides with respect to the lower edge and immediately before the front frame is closed with respect to the outer frame, the first tension spring An engagement groove that can be engaged with the engagement piece when the lock plate is moved upward by force, and an engagement plate that can be engaged with and disengaged from the engagement piece by the forward and reverse rotation of the hook piece. Are formed continuously from the free end side in the order described above, and the front frame is closed to the outer frame and the hook piece in the engaged state with the engaging piece is illegally formed in the outer frame. When the engagement plate portion is rotated in conjunction with the rotation of the collar piece when the unauthorized unlocking operation force using the inserted wire is rotated in the unlocking posture direction, The engagement piece is configured to prevent the hook piece from being released from the engagement piece and unlocked .
[0008]
According to the first aspect of the present invention , the upper and lower flanges are engaged with the inclined sliding surfaces in the sliding state on the lower edge of the engaging piece while the open front frame is closed toward the outer frame. With the lowering of the lock plate, it slightly moves in the downward unlocking posture direction and moves to the rear outer frame side, and immediately after the inclined sliding surface passes the lower end edge of the engagement piece, With the upward movement of the lock plate by one tension spring, the upper and lower hook pieces are returned to the upward engagement posture by the second tension spring, and the engagement groove of the hook piece is engaged with the lower end edge of the engagement piece. Locked. On the other hand, when unlocking / releasing the front frame, the upper and lower collars were held in the engaged posture as the lock plate was slid in the downward unlocking direction by the unlocking operation using the key. The engagement piece is moved downward to the unlock position (non-engagement position), and the engagement groove is detached from the lower end edge of the engagement piece to be unlocked. In this state, the front frame can be opened (single-opened) so as to be pulled forward.
[0009]
According to the invention of claim 1, the front frame is closed with respect to the outer frame, and in the locked state due to the engagement of the engagement piece and the hook piece, the inside of the back side of the outer frame is illegally operated as an unauthorized unlocking operation. When the inserted wire such as a piano wire is hooked on the hook piece and the hook piece is changed in the downward unlocking direction to be detached from the engagement piece, the hook piece is appropriately allowed by the stopper. As the plate is pulled down together with the lock plate while being rotated, the engagement plate portion of the collar piece is rotated in conjunction with the collar piece to engage with the engagement piece. Further rotation in the unlocking direction is prevented, and unauthorized unlocking using the wire is prevented in advance.
[0010]
According to a second aspect of the present invention, in the first aspect of the present invention, the upper end portion of the engagement plate portion of the flange piece is formed with an engagement protrusion that can releasably engage with the upper end portion of the engagement piece. It is characterized by having.
[0011]
According to the invention of claim 2, since the engagement protrusion that can be detachably engaged with the upper end portion of the engagement piece is formed on the upper end portion of the engagement plate portion of the collar piece, The engagement plate portion rotates in conjunction with the rotation of the hook piece, whereby the engagement protrusion can be engaged with the upper end portion of the engagement piece, and the hook piece is more accurate with respect to the engagement piece. Is engaged and locked. Therefore, unauthorized unlocking operation can be prevented more reliably.
[0012]
[0013]
[0014]
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in more detail with reference to embodiments. FIG. 1 is a perspective view of a state in which the front frame F ₂ is opened with the glass frame F ₃ closed, and FIG. 2 shows the lock device L mounted on the back side of the open end of the front frame F _2. FIG. 3 is a side view of a portion of the locking device L of the pachinko machine, and FIG. 4 is a diagram illustrating a first locking device L 1 and a second locking device L ₁ constituting the locking device L. 5 is a perspective view of the upper end portion of L ₂ , FIG. 5 is a side view showing a state where the unlocking of the first locking device L ₁ is similarly prevented by an unauthorized operation, and FIG. 6 is a schematic plan view of the locking device L FIG.
[0016]
1 and 2, a hinge frame 1 is provided at the upper and lower ends of the left end portion of the outer frame F ₁ having a rectangular frame shape, and a front frame F on which a game board (not shown) is mounted. ₂ is hinge-connected to each hinge connecting plate 1 of the outer frame F ₁ via a hinge pin 2 so as to be able to be opened in one side. On the front surface of the front frame F _2, so that the glass frame F ₃ is able to open strip similar to only the game board of the game region is mounted on said front frame F ₂ to allow visual observation from the player hinge It is connected. The glass frame F ₃ is provided with a substantially circular opening 4 at the center thereof so that the game board on the back side can be seen through. As shown in FIG. 1, the first and second lock devices L described later are located at the open end side of the front surface of the front frame F ₂ and at substantially the same height as the upper ball tray 3. _An unlocking unit 5 composed of a cylinder lock for unlocking ₁ and L ₂ is provided with its key insertion hole exposed on the front surface.
[0017]
Next, with reference to FIGS. 3 to 6, the lock device L including the first and second lock devices L ₁ and L ₂ will be described. The first locking device L ₁ is for locking the front frame F ₂ with respect to the outer frame F ₁ , and the second locking device L ₂ locks the glass frame F ₃ with respect to the front frame F ₂ . are those, the invention of claim 1 (the present invention) is implemented in the first tablet device L _1. As shown in FIG. 2, the locking device L is mounted along the vertical direction on the back surface of the end of the front frame F _{2 on} the open end side (the side opposite to the hinge connection side). That is, the mounting plate 11 having an L-shaped cross section is fixed to the back surface portion of the front frame F ₂ along the vertical direction, and the fixing plate portion 11a that is closely fixed to the back surface portion of the mounting plate 11 includes: A second lock plate 41 of a second lock device L _{2 to be} described later is supported so as to be movable up and down, and an inner side surface of an upright plate portion 11b of the mounting plate 11 (an outer frame F ₁ to which the engagement piece 7 is fixed). The first lock plate 12 of the first lock device L ₁ is supported on the vertical frame member 6 so as to be vertically movable. The first tablet plate 12, when referenced to the game board of board to be mounted on the front frame F ₂ (game board) is disposed substantially perpendicular to該盤plane.
[0018]
Further, the first lock plate 12 is provided with slit-shaped guide holes 14 in the vertical direction at a total of three locations including the upper and lower end portions thereof, and each head is provided on the upright plate portion 11 b of the mounting plate 11. When the guide pins 15 are fitted into the respective guide holes 14, the first lock plate 12 is supported so as to be vertically movable with respect to the upright plate portion 11 b of the mounting plate 11. As shown in FIGS. 4 and 5, the lower portion of the upper guide hole 14 of the first lock plate 12 is cut and raised to form a hook piece 16, and the fixing plate portion of the mounting plate 11. A portion further upward than the hook piece 16 at the rising end position in 11 a is cut and raised to form a hook piece 17, and both end portions of the first tension spring 18 are hooked on the hook pieces 16, 17. Yes. Accordingly, the first lock plate 12 is biased upward by the restoring force of the first tension spring 18, but the lower end portion of the guide hole 14 abuts on the headed guide pin 15, thereby The rising end position of the plate 12 is determined.
[0019]
Moreover, the part provided with each guide hole 14 at the upper and lower ends of the first lock plate 12 is formed wider than the other part to form a hook support part 12a. 12a, the base end portion of the first flange piece 19 is rotatably supported via a fulcrum pin 21. The upper and lower pair of first hook piece 19, when closing the front frame F _2, engages the engaging piece 7 fixed to the corresponding portion of the vertical frame member 6 of the outer frame F _1, the outer frame F ₁ is a portion for locking the front frame F ₂ against. The engaging piece 7 is formed by integrally bending a fixing plate 8 at a base end portion thereof, and as shown in FIG. 2, the vertical frame member 6 of the outer frame F ₁ through the fixing plate 8. It is fixed to be perpendicular to the inner surface. The first collar piece 19 has an inclined sliding surface 22 that is inclined upward from the free end portion toward the fulcrum portion, and between the inclined sliding surface 22 and the fulcrum portion. , An engaging plate portion 23 standing upward is formed, and can be engaged with the engaging piece 7 fixed to the outer frame F ₁ between the inclined sliding surface 22 and the engaging plate portion 23. An engagement groove 24 is formed. Further, as shown in FIG. 5, an engagement protrusion 23 a protrudes on the side of the engagement groove 24 outside the upper end portion of the engagement plate portion 23.
[0020]
The length between the bottom surface of the engagement groove 24 of the engaging projection 23a is vertical length of the engaging piece 7 fixed to the outer frame F ₁ (height) is longer than . Therefore, as shown by a two-dot chain line in FIG. 5, the engagement plate portion 23 of the first collar piece 19 is substantially vertical, and the engagement piece 7 of the outer frame F ₁ is engaged with the engagement groove 24. In this state, when the first collar piece 19 is rotated around the fulcrum pin 21 so that the free end of the first collar piece 19 is lowered, the engagement as shown by the solid line in FIG. engagement projections 23a of the upper end portion of the plate portion 23, in abutting engagement to the upper end of the engagement piece 7 of the outer frame F ₁ (the position of the first hook pieces 19 of "engagement piece abutting position" ), The first collar piece 19 is configured to be unrotatable in the same direction beyond the engagement piece contact position.
[0021]
In addition, both end portions of the second tension spring 28 are formed on the hook pieces 26 and 27 formed by cutting and raising the upper end portion of the first lock plate 12 and the upper end portion of the engagement plate portion 23 of the first collar piece 19, respectively. The base end portion of the engagement plate portion 23 of the first collar piece 19 can be brought into contact with the first stopper piece 29 formed by cutting and raising the upper end of the collar piece support portion 12a of the first lock plate 12, and Due to the restoring force of the second tension spring 28, the engaging plate portion 23 of the first collar piece 19 abuts on the first stopper piece 29, so that the first collar piece 19 cannot swing in the upright position and is stationary. It is configured to do. Therefore, in the locked state where the first collar piece 19 rotatably supported by the first lock plate 12 and the engagement piece 7 of the outer frame F ₁ are engaged, the front frame F is unlocked. To open _2, as shown in FIG. 7, by inserting a key into the unlocking unit 5 and rotating it in a predetermined direction, the first lock plate 12 is moved downward to make the first relative After the engagement piece 7 of the outer frame F ₁ is withdrawn from the engagement groove 24 of the flange piece 19 and the engagement between the two is released, the front frame F ₂ is moved to the front side (player side) around the hinge pin 2. ). In addition, the strength (spring constant) of the second tension spring 28 is determined from the viewpoint of realizing the later-described fraud prevention, and details thereof will be described later.
[0022]
Further, a second stopper piece 31 formed by cutting and raising the portion is provided at the lower end portion of the collar piece support portion 12a of the first lock plate 12, and the first frame plate ₂ in the state where the front frame F2 is opened. At the position where the flange piece 19 slightly exceeds the engagement piece contact position, the lower end surface of the first flange piece 19 contacts the second stopper piece 31, thereby slightly changing the engagement piece contact position. In the above-exceeded position, the first collar piece 19 is configured not to rotate clockwise in FIG. Therefore, as shown in FIG. 8, in the state open front frame F ₂ is single and closes this slanted sliding surfaces 22 of the front end portion of the upper and lower pair of first hook pieces 19 (free end portion) of the outer By abutting and sliding on the lower end of each engagement piece 7 of the frame F ₁ , the first lock plate 12 moves downward with respect to the mounting plate 11, and the side of the inclined sliding surface 22 on the engagement groove 24 side. When the sliding contact with the inclined sliding surface 22 and the engagement piece 7 is released at the forming end, the first lock plate 12 is instantaneously moved with respect to the mounting plate 11 by the restoring force of the first tension spring 18. As a result of the upward movement, the engagement pieces 7 of the outer frame F ₁ are relatively inserted into the engagement grooves 24 of the pair of upper and lower first flange pieces 19 so that both are engaged and locked. It has become.
[0023]
Next, briefly described secondary lock device L ₂ to lock the glass frame F ₃ to the front frame F _2. A second lock plate 41 is vertically moved on the fixed plate portion 11a of the mounting plate 11 by the same support structure of the first lock plate 12 with respect to the upright plate portion 11b (engagement structure of the guide hole 42 and the headed guide pin 43). It is supported movably. A plurality of (usually three) second collar pieces 44 project from the back surface of the end portion on the open end side of the glass frame F ₃ at predetermined intervals along the vertical direction.
[0024]
On the other hand, as shown in part in FIG. 4, the positions corresponding to the positions of the second flanges 44 of the glass frame F ₃ in the fixing plate portion 11 a of the mounting plate 11 and the second lock plate 41 are as follows: First and second insertion holes 45 and 46 through which the second collar pieces 44 are inserted are respectively formed. The length of the first insertion hole 45 in the vertical direction is slightly larger than that of the second insertion hole 46, and the lower ends of the first and second insertion holes 45, 46 are substantially matched. In a state where the second collar piece 44 is inserted into each insertion hole 45, 46, the engaging portion 44 a formed at the upper end of the second collar piece 44 is the upper end of the second insertion hole 46 of the second lock plate 41. Is engaged and locked.
[0025]
In this locked state, the key inserted into the unlocking unit 5 is rotated in the direction opposite to that when the front frame F ₂ is unlocked, or provided integrally with the second lock plate 41 on the back side of the pachinko machine. When the pushed-up lever 47 (see FIGS. 2 and 3) is pushed up, the engagement between the second lock plate 41 and the second collar piece 44 is released and unlocked. The second lock plate 41 is urged downward by a restoring force of a third tension spring 48 (see FIG. 3) having both ends connected to the second lock plate 41 and the fixing plate portion 11a of the mounting plate 11. ing.
[0026]
The actions of locking and regular unlocking of the first and second locking devices L ₁ and L ₂ are as described above. Here, as shown in FIG. 5, a wire W such as a piano wire is inserted from the gap between the outer frame F ₁ of the pachinko machine and the ball lending device of the adjacent pachinko machine, and the tip of the wire is pulled. With the hook portion Wa inserted into the engagement groove 24 of the first hook piece 19 of the first locking device L ₁ and hooked, the wire W is pulled diagonally downward toward the back, and the first hook piece 19 and If the engagement with the engagement piece 7 is released and an attempt is made to unlock it illegally, the first collar piece 19 rotates clockwise around the fulcrum pin 21 for the following reason, and the engagement plate portion The engagement protrusion 23a at the distal end portion of the contact portion 23 abuts and engages with the upper end portion of the engagement piece 7, and the first collar piece 19 is prevented from rotating in the same direction beyond this. Thereby, the downward movement of the 1st lock board 12 is prevented, the engagement state (locking state) of the 1st collar piece 19 and the engagement piece 7 is maintained, and unauthorized unlocking can be prevented.
[0027]
Here, since the position of the fulcrum pin 21 of the first collar piece 19 is largely deviated from the position of the center of gravity, the first pivot piece 19 is slightly rotated clockwise by the clockwise rotational moment as it is, The engagement protrusion 23 a of the flange piece 19 may always engage with the upper end portion of the engagement piece 7. In order to prevent this problem, the second tension spring 28 maintains the standing posture of the first collar piece 19 at all times and properly releases (unlocks) the first collar piece 19 and the engagement piece 7. It is provided so that it can be performed. Therefore, the strength (spring constant) of the second tension spring 28 is determined from the above viewpoint. Specifically, when the above-described unauthorized operation is performed, The size is determined so as to rotate around the fulcrum pin 21 without moving down as it is.
[0028]
In the above embodiment, the pair of upper and lower first flanges 19 are configured to rotate independently with respect to the first lock plate 12. When disengagement of 1 hook pieces 19 are not performed at the same time, the first tablet device L ₁ is not unlocked. Therefore, since the unauthorized operator cannot perform unauthorized unlocking unless the pair of upper and lower first flanges 19 and the engagement pieces 7 are simultaneously released, the prevention effect is enhanced.
[0029]
【The invention's effect】
According to the present invention, in the locking device that locks the front frame hinged so as to be openable and closable in an open state with respect to the outer frame, an unauthorized unlocking operation using a wire that is illegally inserted inside the back side of the outer frame Thus, when the hook piece engaged with the engagement piece of the outer frame is rotated in the unlocking direction, the engagement plate portion provided on the hook piece engages with the engagement piece, and this Since the rotation of the hook itself in the unlocking direction is prevented from the point of engagement and the downward movement of the lock plate is prevented, unauthorized unlocking is prevented in advance.
[Brief description of the drawings]
FIG. 1 is a perspective view of a state in which a front frame F ₂ is opened while a glass frame F ₃ is closed.
FIG. 2 is a similar schematic perspective view in a state where a lock device L mounted on the back side of the open end of the front frame F ₂ is visible.
FIG. 3 is a side view of a portion of a locking device L of a pachinko machine.
4 is a perspective view of an upper end portion of each of the first and second lock devices L ₁ and L ₂ constituting the lock device L. FIG.
FIG. 5 is a side view showing a state where the unlocking of the first locking device L ₁ is similarly prevented by an unauthorized operation.
6 is a schematic plan view of the locking device L. FIG.
FIG. 7 is a side view of the unlocked state of the first lock device L ₁ .
FIG. 8 is a side view of the first locking device L _{1 in} the middle of locking.
FIG. 9 is a right side view showing a state in which a conventional locking device is illegally unlocked.
[Explanation of symbols]
F ₁ : Outer frame
F ₂ : Front frame
L ₁ : First lock device (lock device)
7: engagement piece
11: Mounting plate
12: First lock plate ( lock plate )
18: First tension spring
19: The first piece ( rice piece )
21: fulcrum pin
23: engagement plate portion of the first flange
23a: engaging protrusion
28: Second tension spring
31: Second stopper piece (stopper)

Claims (2)

An outer frame covering the periphery (F ₁₎ and has a game board that is visible from the player, the outer frame (F ₁₎ the front at openably front frame which is hinged on a semi open state in the lateral direction of the ( F ₂ )
In order to detachably lock a pair of upper and lower engaging pieces (7) fixed to the inner upper and lower parts of the vertical frame member (6) on the opposite side of the hinge connection side of the outer frame (F ₁ ),
A mounting plate (11) fixed in the vertical direction on the back surface of the open end side of the front frame (F ₂ ), and a first slidably assembled to the mounting plate (11) so as to be slidable in the vertical direction. the tension spring (18) is biased held in an upward direction of engagement, which can slide in a downward unlocking direction against the biasing force of the by unlocking operation using the key first tension spring (18) A pin (21) is connected to the lock plate (12) and the upper end portion and the lower end portion of the lock plate (12) in a cantilevered and pivotable manner in the rearward direction, and is connected by a second tension spring (28). The engagement piece (7) is biased and held in an upward engagement posture, and is moved downward by the unlocking operation of the lock plate (12) to be engaged with the pair of engagement pieces (7). A pair of upper and lower barbs (19) to be released, and related to the rotation of the barb (19). The lock plate (12) is configured to be moved up and down as appropriate,
While maintaining the engagement between the lock plate (12) and the hook piece (19) at a predetermined portion of the lock plate (12), the lower end edge of the hook piece (19) was allowed to rotate appropriately. A stopper (31) is formed for engaging in the state and holding the flange piece (19) in an engagement posture position with respect to the engagement piece (7).
The locking piece (12) is against the urging force of the first tension spring (18) while the front frame (F ₂ ) is being closed with respect to the outer frame (F ₁ ). ) And the slanted sliding surface (22) sliding with respect to the lower end edge of the engaging piece (7), and immediately before the front frame (F ₂ ) is closed with respect to the outer frame (F ₁ ). , The locking plate (12) is moved upward by the urging force of the first tension spring (18), and the engagement groove (24) is engageable with the engagement piece (7). ) And an engagement plate portion (23) that can be engaged and disengaged with respect to the engagement piece (7) by rotation in the forward and reverse directions, are formed continuously in the above order from the free end side,
The outer frame (F ₁₎ on the front frame (F ₂₎ the hook piece (19) which is in engagement against the engagement piece is closed (7), fraud on the outer frame (F ₁₎ in When the unlocking operation force using the wire (W) inserted in the wire is rotated in the unlocking posture direction, the engagement plate portion (23) is interlocked with the rotation of the hook piece (19). It is configured to be engaged with the engagement piece (7) by rotating, and to prevent the hook piece (19) from being detached and unlocked from the engagement piece (7). A locking device for gaming machines.   An engagement protrusion (23a) that can be detachably engaged with the upper end portion of the engagement piece (7) is formed on the upper end portion of the engagement plate portion (23) of the flange piece (19). The gaming machine locking device according to claim 1, characterized in that:

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