JP4601453B2 - Game machine locking device - Google Patents

Description

  The present invention relates to a locking device that locks a front frame (front door) that can be opened and closed with respect to a main body frame or casing such as a pachinko machine or a slot mine, and in particular, has a metal main body frame (housing). The present invention relates to a locking device for a game machine that can be suitably used as a locking device for a game machine.

Conventionally, for example, as a device for locking a front frame of a pachinko machine to a main body frame, a connecting rod is slidably disposed inside a vertically long base frame body having a mounting plate and a support plate formed in an L-shaped cross section. The upper and lower ends of the support plate are pivotally supported so that they can tilt, the upper and lower ends of the connecting rod are connected to the flange member, and a cylinder lock is provided in the middle of the mounting plate. A locking device is widely used in which a cam plate that is attached so as to be inserted inwardly and is fixed to a distal end of a lock shaft is engaged with a connecting rod (see, for example, Patent Document 1 below).
Japanese Utility Model Publication No.57-8867

  In this type of locking device, a base member is vertically attached via a mounting plate in a state in which a flange member protrudes toward the main body frame inside the front frame, and a bracket that can lock the hook member is attached to the main body frame. The cylinder lock attached to the corresponding position and fixed to the mounting plate is mounted with the front face of the front frame appearing. As is well known, the front frame (inner frame) of a pachinko machine has many types of decorative parts such as decorative lighting fixtures, game boards, prize ball payout devices, ball launchers, display devices, and control panels. Since it is mounted, the space for mounting the locking device is very narrowly restricted. Furthermore, the weight of the front frame with various electrical components attached becomes very heavy, and considering the operability of opening and closing, the weight of the front frame is required to be as light as possible. Yes.

  The present invention has been made in view of the above points. The number of parts of the locking device is reduced, the front frame (front door) of the game machine is lightened, and the operability of opening and closing the front frame (front door) is achieved. An object of the present invention is to provide a game machine locking device capable of improving the performance.

For this purpose, the locking device of claim 1 of the present invention comprises:
In the locking device of the game machine that locks the front frame attached to the main body frame of the game machine so that it can be opened and closed,
The main body frame is composed of a metal upper side frame, a lower side frame, and vertical frames on both sides that vertically connect the upper side frame and the lower side frame at both ends thereof,
The vertical frame of the main body frame is made of metal and formed into a hollow shape,
The top and bottom of the inner wall of the one vertical frame of the, hook member is pivotally supported tiltably facing the front side,
While the upper and lower flange members are coupled by a coupling rod so as to tilt in conjunction with each other , an engaging portion is provided on a part of the coupling rod,
Cylinder lock has its lock shaft is inserted into the inside of the vertical frame, and attached to the keyhole surface in front of the vertical frame projecting on the front side of the vertical frame,
The tip of the tablet axis of the cylinder lock, the cam plate is mounted for engagement with the engaging portion of the connecting rod at the time of rotation,
While the cylinder lock cover that covers the cylinder lock is attached, the tip shape of the cylinder lock cover is formed to be continuous with the front shape of the front frame when the front frame is closed,
Only the receiving metal fitting to which the flange member is locked is attached to the inside of the front frame at the corresponding position,
In the vicinity of the flange member on the front surface of the vertical frame, an opening for allowing entry of the catch metal is formed,
An opening recess into which the cylinder lock enters when the front frame is closed is provided in the front frame ,
When the front frame is closed, the receiving metal member enters the opening in the front of the vertical frame, is locked to the flange member on the inner wall of the vertical frame, and the front frame is locked. .

According to a second aspect of the present invention, a glass frame operating rod is slidably attached to the inside of the vertical frame along the inner side of the connecting rod through a guide hole and a guide shaft. While providing the 1st engaging part which can be engaged with a locking tool, the 2nd engaging part which engages when the said cam board is rotated contrary to the time of the unlocking of the said front frame can be provided.

  In the locking device according to the first aspect, a hook member, a connecting rod, a cylinder lock and the like are attached to the vertical frame of the main body frame, and only a receiving metal fitting is attached to the front frame of the game machine. For this reason, the mounting space of the locking device main body, which has been conventionally attached to the inside of the front frame, is no longer required, and electrical components can be arranged with a margin on the front frame. The degree of freedom in design can be increased by increasing the size of the display device, decoration device, and the like.

Further, since the vertical frame of the main frame of the game machine is also used as the base frame of the locking device, the number of parts of the locking device can be reduced, and the thickness of the locking device main body can be reduced. Further, since only the receiving metal front frame side, it is possible to reduce the weight of the front frame, along with its weight, it is possible to improve the operability of opening and closing of the front frame.
Further, the vertical frame of the body frame is formed into a hollow shape made of metal, the vertical frame hook member at the top and bottom of the inner wall of is pivotally supported tiltably facing the front side, of the hook member in front of the vertical frame An opening for allowing the bracket to enter is formed in the vicinity , so that the locking width between the bracket and the flange member can be widened, and even if there is a mounting error or deformation of the member, the front frame Can be reliably and stably locked and unlocked.
Further, in the conventional case where the main body frame of the game machine is formed of plywood, it is impossible to recycle the main body frame. However, by using a metal frame, the main body frame can be recycled.

On the other hand, the locking device of claim 3 is:
In the locking device of the game machine that locks the front frame that is attached to the main body frame of the game machine so as to be opened and closed,
The main body frame is composed of a metal upper side frame, a lower side frame, and vertical frames on both sides that vertically connect the upper side frame and the lower side frame at both ends thereof,
The vertical frame of the main body frame is made of metal and has a hollow shape,
A collar member is pivotally supported on the upper and lower portions of the inner wall of the one vertical frame so as to be tiltable toward the front side,
While the upper and lower flange members are coupled by a coupling rod so as to tilt in conjunction with each other , an engaging portion is provided on a part of the coupling rod,
A cylinder lock is attached to a base frame body of a cylinder lock unit attached to the front frame,
A cam member is attached to the tip of the lock shaft of the cylinder lock so as to be engageable with the engaging portion of the connecting rod,
Receiving brackets to which the flange member is locked are provided at corresponding positions on the upper and lower sides of the cylinder lock unit,
In the vicinity of the flange member in the front of the vertical frame , an opening for allowing the receiving metal fitting to enter is formed,
When the front frame is closed , the support fitting enters the front opening of the vertical frame and is locked to the flange member on the inner wall of the vertical frame, and the cam member faces the engagement portion of the connecting rod. It moves to the position which does, and it will be in the state which can be engaged.

According to the locking device of claim 3, the hook member and the connecting rod are attached to the vertical frame of the main body frame, the cylinder lock unit is attached to the front frame of the game machine, and the cylinder lock unit is mounted on the base frame body. Since it can be a simple structure with a lock and metal fittings, it is smaller than conventional locking devices attached to the inside of the front frame, reducing its mounting space, and electrical components etc. are attached to the front frame. , Can be arranged with a margin. In addition, it is possible to increase the size of the game board, display device, decoration device, and the like attached in the front frame, and the degree of design freedom can be increased. Furthermore, since the vertical frame of the main body frame of the game machine is also used as the base frame body of the locking device, the number of parts of the locking device can be reduced.
Further, the vertical frame of the body frame is formed into a hollow shape made of metal, the vertical frame hook member at the top and bottom of the inner wall of is pivotally supported tiltably facing the front side, of the hook member in front of the vertical frame An opening for allowing the bracket to enter is formed in the vicinity , so that the locking width between the bracket and the flange member can be widened, and even if there is a mounting error or deformation of the member, the front frame Can be reliably and stably locked and unlocked.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a locking device attached to a main body frame 1 of a pachinko machine, FIG. 2 is a II-II sectional view thereof, and FIG. 3 is a rear view thereof. 1 is a main body frame of a pachinko machine. The main body frame 1 connects and fixes the upper side frame 13 to the upper part of the vertical frames 11 and 12 arranged on both sides, and connects the lower side frame 14 to the lower part of the vertical frames 11 and 12. It is fixed and formed in a rectangular frame shape. A lower front plate 15 is fixed in front of the lower frame 14.

  Each of the vertical frames 11 and 12, the upper side frame 13, and the lower side frame 14 is formed into a hollow shape with a metal such as aluminum, for example, and the ends of the frames are fitted to each other at a right angle and rectangular with a fixing screw or the like. It is connected and fixed in a frame shape. The lower front plate 15 is formed of synthetic resin or the like, and is fixed to the lower portion of the rectangular frame with a fixing screw or the like.

  As shown in FIG. 6, hook-shaped hook members 2 and 3 are pivotally supported via pivots 2 a and 3 a at the upper and lower portions inside one vertical frame 11 of the main body frame 1. . The flange members 2 and 3 are pivotally supported facing the front side (front), and a connecting rod 4 is interposed between both the flange members 2 and 3 via the shafts 2b and 3b so that both of them are tilted in an obliquely upward direction. Are connected. As shown in FIG. 1, openings 11 a and 11 b are formed in the vicinity of the flange members 2 and 3 in the front of the vertical frame 11 in order to allow entry of receiving brackets 20 and 21 described later. .

  Further, as shown in FIG. 6, an engaging portion 4a protrudes forward near the lower portion of the connecting rod 4, and this engaging portion 4a is engaged with the cam plate 6 when the cam plate 6 described later rotates. It can be engaged with the joint convex portion 6a. That is, when the engaging projection 6a of the cam plate 6 is engaged with the engaging portion 4a by the rotation of the cam plate 6 and the connecting rod 4 is raised, the upper and lower rod members 2 and 3 are raised by the rising of the connecting rod 4. Tilts upward and unlocks.

  As shown in FIG. 6, guide holes 4 b and 4 c are formed in the connecting rod 4, and guide shafts 7 a and 7 b are inserted into these guide holes 4 b and 4 c to guide the vertical movement of the connecting rod 4. A glass frame operating rod 8 is slidably disposed along the inner side of the connecting rod 4, and guide holes 8 c and 8 d are also formed in the glass frame operating rod 8. The guide shafts 7a and 7b are inserted into the guide holes 8c and 8d, the tips of the guide shafts 7a and 7b are fixed to the vertical frame 11, and the connecting rod 4 and the glass frame operating rod 8 are guided by the guide shafts 7a and 7b. Thus, it can move up and down within a predetermined range.

  The glass frame actuating rod 8 is an actuating rod that releases the glass frame locking tool 29 of the glass frame 31 provided in the front frame 30 so as to be openable and closable. Is engaged with a glass frame unlocking piece 29a projecting inward from the glass frame locking tool 29 so as to be pressed down. Further, as shown in FIG. 6, a second engaging portion 8 b is projected from the lower side of the glass frame operating rod 8 toward the front side, and the engaging convex portion 6 b of the cam plate 6 is rotated when the cam plate 6 is rotated. (FIG. 5) engages with the second engaging portion 8b, and slides the glass frame operating rod 8 downward.

  Although the detailed structure of the glass frame locking tool 29 is omitted in the drawing, the glass frame locking tool 29 is slidably provided with a glass frame locking lock, and the glass frame locking lock is provided with a locking recess. The glass frame locking rod is biased toward the locking side by a coil spring. A locking part is provided on the free end side of the glass frame 31 provided inside the front frame 30 so as to be openable and closable. When the glass frame 31 is closed to the front frame 30 side, the locking part is a glass frame locking rod. The glass frame is locked by being locked in the locking recess. A glass frame unlocking piece 29a projects from the glass frame locking bar.

  A cylinder lock 5 is attached to the front surface of the vertical frame 11. A flange 5b is provided at the base portion of the cylinder lock 5, and a lock shaft 5a is protruded inward. With the lock shaft 5a inserted into the vertical frame 11, the flange 5b is fixed to the front surface of the vertical frame 11 with a fixing screw or the like, and the cylinder lock 5 is attached in a form protruding from the front surface of the vertical frame 11. As described above, the cam plate 6 is fixed to the tip of the lock shaft 5a of the cylinder lock 5, and when the key is inserted into the cylinder lock 5 and turned to the right, the cam plate 6 rotates in the same direction, and its engaging convex portion 6a engages with the engaging portion 4a of the connecting rod 4 and slides the connecting rod 4 upward. Conversely, when the key is inserted into the cylinder lock 5 and turned counterclockwise, the cam plate 6 rotates in the same direction, and its engaging projection 6b engages with the second engaging portion 8b of the glass frame operating rod 8, The glass frame operating rod 8 is slid downward. A coil spring 9 is stretched between the connecting rod 4 and the glass frame operating rod 8. The coil spring 9 biases the connecting rod 4 downward and the glass frame operating rod 8 upward. Yes.

  Further, as shown in FIGS. 1 and 2, a cylinder lock cover 10 is attached to the front surface of the vertical frame 11 so as to cover the periphery of the cylinder lock 5. The cylinder lock cover 10 is formed of a synthetic resin, and the tip portion thereof is formed in a shape that is continuous with and integrated with the front shape of the front frame 30. That is, when the front frame 30 is closed, the tip of the cylinder lock cover 10 is formed so as to be continuous with the front shape of the front frame 30 and melt into the front shape of the front frame visually. The keyhole surface of the cylinder lock 5 is opened so as to be exposed from the cover.

  A front frame 30 is attached to the front surface of the main body frame 1 so that the left end portion thereof can be opened and closed via a hinge. When the front frame 30 is closed with respect to the main body frame 1 as shown in FIGS. An opening recess 32 having a shape corresponding to the cover 10 is formed at a corresponding portion of the front frame 30 so as to allow the cylinder lock cover 10 to enter. In addition, receiving brackets 20 and 21 are attached to the inside of the front frame 30 corresponding to the positions of the flange members 2 and 3 on the main body frame 1 side.

  A glass frame 31 is attached to the front frame 30 so as to be openable and closable via a hinge so as to cover the game board mounted at the center thereof from the front, and the glass frame locking for locking the glass frame 31 inside the front frame 30 A tool 29 is attached. The glass frame locking tool 29 has a sliding plate having a locking opening recess for locking the locking portion provided at the end of the glass frame 31, and the sliding plate is biased toward the locking side by a coil spring. Configured. When the glass frame 31 is closed, the locking portion of the glass frame is inserted into the locking opening recess while sliding the sliding plate, and is locked by the urging force of the coil spring and locked. A glass frame unlocking piece 29a protrudes inward from the sliding plate. When the glass frame unlocking piece 29a is pushed down, the sliding plate descends and is unlocked.

  Such a glass frame locking tool 29 is housed inside a metal frame that receives the glass frame, and in the locking device that locks the front frame 30, only the metal fittings 20 and 21 are attached to the inside of the front frame 30, and the locking is performed. Space for the apparatus becomes unnecessary, and installation space for various electrical components and the like in the front frame 30 increases.

  In the locking device of the pachinko machine configured as described above, when the front frame 30 of the pachinko machine is closed, the metal fittings 20 and 21 of the front frame 30 enter the openings 11a and 11b of the vertical frame 11 on the main body frame 1 side, The upper and lower flange members 2 and 3 are tilted upward while being in contact with the metal fittings 20 and 21, and then returned to the locking position by the urging force of the coil spring 9, so The locked state is obtained as shown in FIG. At this time, the cylinder lock 5 covered by the cylinder lock cover 10 enters the opening recess 32 of the front frame 30, and the keyhole surface of the cylinder lock 5 is exposed to the front as shown in FIG. It will be in the state covered with the lock cover 10.

  When unlocking the front frame 30, when the key is inserted into the cylinder lock 5 located in the opening recess 32 on the front side of the front frame 30 and the lock shaft of the cylinder lock 5 is turned to the right, the cam plate 6 is in the same direction. The engaging projection 6a of the cam plate 6 engages with the engaging portion 4a of the connecting rod 4 and slides upward. As a result, as shown in FIG. 8, the upper and lower flange members 2 and 3 rotate upward, the engagement with the metal fittings 20 and 21 on the front frame 30 side is released, and the front frame 30 is unlocked.

  Thus, in the pachinko machine using the present locking device, the mounting space for the locking device main body attached to the inner side of the front frame 30 becomes unnecessary, and electrical components and the like can be arranged on the front frame 30 with a margin. . In addition, the degree of freedom in design can be increased, for example, by increasing the size of the game board, display device, decoration device, and the like attached in the front frame 30. Furthermore, since the vertical frame 11 of the main body frame 1 of the pachinko machine is also used as the base frame of the locking device, the number of parts of the locking device can be reduced and the thickness of the locking device main body can be reduced. it can. Furthermore, in the past, the main frame of the pachinko machine was formed of plywood, but it was impossible to recycle the main frame. By using the metal main frame 1, the main frame 1 can be recycled. be able to.

  In the above embodiment, the case where it is applied to a locking device of a pachinko machine has been described. However, it can also be applied as a locking device of a slot machine. In the case of a slot machine, the casing is formed in a box shape using a metal plate as a material. Then, a vertical frame portion is formed inside one vertical side portion of the front opening portion of the metal casing. A saddle member similar to the above is pivotally supported on the upper and lower portions inside the vertical frame portion so as to be tiltable toward the front side, and the saddle members on both sides are connected by connecting rods. The front door of the slot machine is provided with a hook receiving member, and the front door is provided with an opening recess into which the cylinder lock attached to the housing and the cylinder lock cover covering it can enter.

  9 to 12 show other embodiments. In this example, the cylinder lock 45 and the receiving metal fittings 52 and 53 of the locking device are attached to the cylinder lock unit 50, and the cylinder lock unit 50 is attached to the front frame 33 of the pachinko machine. It is attached.

  That is, the main body frame 41 of this pachinko machine has a metal upper frame, a lower frame, and metal metal frames on both sides that vertically connect the upper frame and the lower frame at their both ends. The collar members 42, 43 are pivotally supported by pivots 42a, 43a on the inner upper and lower portions of one vertical frame 51 of the main body frame so as to be tiltable toward the front side. The upper and lower flange members 42 and 43 are connected by a connecting rod 44. Further, an engaging portion 44a is provided near the lower portion of the connecting rod 44, and a cam member 46 fixed to the lock shaft of the cylinder lock 45 can be engaged with the engaging portion 44a. A coil spring 49 is attached to the connecting rod 44, and the connecting rod 44 is biased downward, that is, in the locking direction by this spring.

  The cylinder lock 45 is attached to the base frame body 54 of the cylinder lock unit 50 attached to the front frame 33 of the pachinko machine. The cam member 46 fixed to the tip of the lock shaft of the cylinder lock 45 is an engagement convex portion that can be engaged with the engagement portion 44a of the connecting rod 44 when the lock shaft is rotated with the front frame 33 closed. 46a is provided. In addition, the metal fittings 52 and 53 to which the hook members 42 and 43 are locked are provided at corresponding positions on the upper and lower parts of the base frame body 54 of the cylinder lock unit 50.

  On the front side of one vertical frame 51 of the main body frame 41, as shown in FIG. 9, when the front frame 33 is closed, the eaves member 42 is allowed to allow the receiving brackets 52 and 53 on the front frame 33 side to enter. , 43 are formed with openings 41a, 41b, respectively. An opening 41c is formed at a position directly above the opening 41b of the vertical frame 51 so as to allow the cam member 46 on the front frame 33 side to enter.

  In the locking device of the pachinko machine configured as described above, when the front frame 33 of the pachinko machine is closed, the metal fittings 52 and 53 of the front frame 33 enter the openings 41a and 41b of the vertical frame 51 on the main body frame 41 side, The upper and lower flange members 42 and 43 come into contact with the receiving metal fittings 52 and 53 and tilt upward, and then return to the locking position by the biasing force of the coil spring 49. Thereby, the eaves members 42 and 43 are latched by the receiving metal parts 52 and 53, and it will be in the locked state like FIG. At this time, the cam member 46 on the lock shaft side of the cylinder lock 45 enters the opening 41c of the vertical frame 51 of the main body frame 41, and the engaging convex portion 46a thereof is connected to the connecting rod 44 as shown in FIGS. To the position facing the engaging portion 44a.

  When unlocking the front frame 33, inserting the key into the cylinder lock 45 of the cylinder lock unit 50 attached to the front frame 33 and turning the lock shaft of the cylinder lock 45 to the right rotates the cam member 46 in the same direction. Then, the engaging convex portion 46a of the cam member 46 engages with the engaging portion 44a of the connecting rod 44 and slides it upward. As a result, the upper and lower flange members 42 and 43 are rotated upward, the engagement with the receiving brackets 52 and 53 on the front frame 33 side is released, and the front frame 33 is unlocked.

  Thus, since the cylinder lock unit 50 having a slim shape provided with only the cylinder lock 45 and the receiving brackets 52 and 53 is attached to the inside of the front frame 33, the mounting space is smaller than the conventional one, and the front frame 33 is attached to the front frame 33. Can arrange electric parts with a margin. Furthermore, since the collar members 42 and 43 are directly supported on the vertical frame 51 of the main body frame 41, the number of parts of the locking device on the main body frame 41 side can be reduced, and the thickness of the locking device can also be reduced.

  In the above embodiment, the case where it is applied to a locking device of a pachinko machine has been described. However, it can also be applied as a locking device of a slot machine. In the case of a slot machine, the casing is formed in a box shape using a metal plate as a material. Then, a vertical frame portion is formed inside one vertical side portion of the front opening portion of the metal casing. And the upper and lower parts inside the vertical frame part are pivotally supported so as to be able to tilt toward the front side, and the hook members on both sides are connected by connecting hooks. The cylinder lock unit is attached to the front door of the slot machine, and the cylinder lock unit is attached with a receiving member for the flange member and a cylinder lock with the cam member fixed to the lock shaft.

It is a front view of the locking device provided in the main body frame of the pachinko machine which shows one Embodiment of this invention. It is II-II sectional drawing of FIG. It is a rear view of a main body frame and a locking device. It is a front view with a section around a cylinder lock. It is a front view with a section around a cam board. It is a decomposition | disassembly left view of a locking device. It is sectional drawing of the state which closed the front frame with respect to the main body frame. It is sectional drawing of the state which opened the front frame. It is left side sectional drawing of the locking device by the side of the main body frame which shows other embodiment. It is a left view of the cylinder lock unit by the side of the front frame of the locking device. It is left side sectional drawing of the state which closed the front frame in the locking device. It is the fragmentary sectional view which looked at the cam member and engagement part in the vertical frame in the locked state from the back.

Explanation of symbols

1-Body frame 2, 3- 鉤 member 4-Coupling rod 5-Cylinder lock 6-Cam plate 10-Cylinder lock cover 11-Vertical frame 20, 21-Receiving bracket 30-Front frame 31-Glass frame 32-Open recess

Claims (3)

In the locking device of the game machine that locks the front frame attached to the main body frame of the game machine so that it can be opened and closed,
The main body frame is composed of a metal upper side frame, a lower side frame, and vertical frames on both sides that vertically connect the upper side frame and the lower side frame at both ends thereof,
The vertical frame of the main body frame is made of metal and formed into a hollow shape,
The top and bottom of the inner wall of one vertical frame of the, hook member is pivotally supported tiltably facing the front side,
While the upper and lower flange members are coupled by a coupling rod so as to tilt in conjunction with each other , an engaging portion is provided on a part of the coupling rod,
Cylinder lock has its lock shaft is inserted into the inside of the vertical frame, and attached to the keyhole surface in front of the vertical frame projecting on the front side of the vertical frame,
The tip of the tablet axis of the cylinder lock, the cam plate is mounted for engagement with the engaging portion of the connecting rod at the time of rotation,
While the cylinder lock cover that covers the cylinder lock is attached, the tip shape of the cylinder lock cover is formed to be continuous with the front shape of the front frame when the front frame is closed,
Only the receiving metal fitting to which the flange member is locked is attached to the inside of the front frame at the corresponding position,
In the vicinity of the flange member on the front surface of the vertical frame, an opening for allowing entry of the catch metal is formed,
An opening recess into which the cylinder lock enters when the front frame is closed is provided in the front frame ,
When the front frame is closed, the receiving metal member enters the opening in the front of the vertical frame, is locked to the flange member on the inner wall of the vertical frame, and the front frame is locked. Locking device for game machines. A glass frame operating rod is slidably attached to the inside of the vertical frame along the inner side of the connecting rod through a guide hole and a guide shaft , and the glass frame operating rod can be engaged with a glass frame locking device. The first engaging portion, and a second engaging portion that is engaged when the cam plate is rotated opposite to the unlocking of the front frame, are provided. Locking device for game machines. In the locking device of the game machine that locks the front frame attached to the main body frame of the game machine so that it can be opened and closed,
The main body frame is composed of a metal upper side frame, a lower side frame, and vertical frames on both sides that vertically connect the upper side frame and the lower side frame at both ends thereof,
The vertical frame of the main body frame is made of metal and formed into a hollow shape,
A saddle member is pivotally supported on the upper and lower portions of the inner wall of the one vertical frame so as to be tiltable toward the front side,
While the upper and lower flange members are coupled by a coupling rod so as to tilt in conjunction with each other , an engaging portion is provided on a part of the coupling rod,
A cylinder lock is attached to a base frame body of a cylinder lock unit attached to the front frame,
A cam member is attached to the tip of the lock shaft of the cylinder lock so as to be engageable with the engaging portion of the connecting rod,
Receiving brackets to which the collar member is locked are provided at corresponding positions on the upper and lower sides of the cylinder lock unit,
In the vicinity of the flange member on the front surface of the vertical frame , an opening for allowing entry of the catch metal is formed,
When the front frame is closed , the support fitting enters the front opening of the vertical frame and is locked to the flange member on the inner wall of the vertical frame, and the cam member faces the engagement portion of the connecting rod. A locking device for a game machine, wherein the device enters a position where it can be engaged and is in an engageable state.

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