JP2003190565A - Lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the lock release by directly sliding a rod and to easily attach/detach the whole lock mechanism. <P>SOLUTION: The lock device for locking a front frame with a glass door which can be opened/closed to an outer frame comprises a frame fixed to the front frame, the rod to be slid on the frame, a unit base 13 fixed to the frame 1, a lock arm 19 rotatably supported at the unit base 13 for rotating in one direction and limiting the sliding of the rod, a cylinder lock 11 fixed to the unit base 13, a cylinder cam 15 rotating by the release of the cylinder lock 11 and releasing the lock of the lock arm 19 relative to the rod for sliding the rod, and a lock cam 25 rotatably supported at the unit base 13. One end of the lock cam 25 is pressed by the outer frame when the front frame is closed, rotating in the other direction, releasing the pressure to the lock arm 19, so that the lock arm 19 is in the condition to be locked to the rod. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a gaming machine that locks a front frame that has a glass door and is openable and closable in an outer frame. The present invention relates to an improved technique that facilitates attachment and detachment to and from

[0002]

2. Description of the Related Art Heretofore, as a locking device for a pachinko game table or the like, there is one disclosed in, for example, Japanese Utility Model Publication No. 58-4538. This is the front frame 10 as shown in FIG.
Cylinder lock 101 and the cylinder lock 1
The cam plate 103 attached to the lock shaft 102 of No. 01 and the elevating rod 105 having the pair of upper and lower hook pieces 104, 104 are attached via the base frame body 106, and the upper and lower positions of the inner side surface of the outer frame 107 on the open side are attached. Locking metal fittings 108, 108 for engaging and disengaging the hook pieces 104, 104 are fixed to the cylinder lock 1
By rotating 01, the cam plate 103 is rotated to raise and lower the rod 1.
05 is slid vertically, and the locking metal fitting 10
The front frame 100 is unlocked by releasing the lock between the hooks 104 and 104 and the hooks 104 and 104. This locking device was fixed to the front frame 100 by screwing the main member of the locking mechanism.

[0003]

However, in the above-described conventional locking device, the raising and lowering rod and the cam plate are provided on the rear surface of the opening and closing end side of the front frame, and these mechanical parts are arranged on the opening and closing end side of the front frame. Since it was exposed from the mouth and back of the tree, even if the front frame was closed, if a wire or the like was inserted through the gap between the front frame and the outer frame, it could easily come into contact with the mechanical section and become illegal. The act and the mischief were done.

Since the lifting rod slides up and down only by the cam plate and engages with and disengages from the locking metal fitting, if a wire or the like is inserted through the above-mentioned gap, the lifting rod can be directly unlocked. It was possible to move, and it was not possible to obtain high locking reliability.

Further, in the conventional locking device, a plurality of main members of the locking mechanism are fixed to the front frame with screws, but the operation of the hooks must be released by the cylinder lock at the time of attaching them. However, the work becomes complicated and the workability may be deteriorated.

The present invention has been made in view of the above circumstances, and a first object thereof is to provide a locking device in which the lifting rod cannot be unlocked even by a wire or the like inserted through a gap, and the locking reliability is improved. Is to improve. A second object thereof is to provide a locking device that can be easily attached and detached and attached.

[0007]

[Means for Solving the Problems] Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments. The locking device according to claim 1 of the present invention is a locking device 40 for a gaming machine that locks a front frame that has a glass door and is openable and closable on the outer frame 38, and is fixed to the back surface of the front frame. A frame 1 and a lot 5 slidably provided on the frame 1 and slid on one side to be locked to the outer frame 38;
A unit base 13 fixed to the frame 1, and a lock arm 19 rotatably supported by the unit base 13 and pivoted to one side to lock the lot 5 and regulate sliding of the lot 5. , A cylinder lock 11 fixed to the unit base 13 to expose a key hole on the front of the gaming machine, and rotated by unlocking the cylinder lock 11 to unlock the lock arm 19 with respect to the lot 5. Cylinder cam 15 that slides the lot 5 in the unlocking direction
And is rotatably supported by the unit base 13 and pivoted to one end to project one end from the unit base 13 and press the other end against the lock arm 19 to bring the lock arm 19 into contact with the lot 5. The lock arm 19 is rotated to the unlocking position, and the outer frame 38 presses one end of the front frame in the closed state to rotate the other end to release the pressure contact with the lock arm 19 to move the lock arm 19 to the lot 5. And a lock cam 25 that is in a lockable state.

In this locking device 40, the lot 5 has the outer frame 3
8, the lock arm 19 is locked to the lot 5 to restrict the sliding of the lot 5.
It is possible to prevent the lock of the lot 5 and the outer frame 38 from being directly slid, that is, the unlocking of the front frame. As a result, it is possible to prevent unauthorized unlocking of the front frame in which a wire or the like is inserted through the gap between the front frame and the outer frame to unlock the lot 5.
Further, the lot 5 is slidably mounted on the frame 1, and the cylinder base 1 is fixed to the unit base 13 fixed to the frame 1.
Since 1, the cylinder cam 15, the lock arm 19, and the lock cam 25 are provided, the locking device 40 can be attached to the front frame as one unit, and the attachability can be improved.

The locking device according to a second aspect is the locking device according to the first aspect, which is rotatably supported by the unit base 13 and pivots to one end 21b on the side wall 13c of the unit base 13. The side wall 1 which abuts
Insert the rod 41 through the hole 13b formed in 3c
By pressing b, the lever is rotated to the other side to come into contact with the lock arm 19 and press the lock arm 19 to the locking release position with the lot 5, and the unit base 13 is rotatable. The release lever 21 is supported and pivoted to one side so that one end 27b abuts on the release lever 21.
Is rotated to the other side, the release lever 21 and the side wall 1
One end 27b is sandwiched between the unit base 1 and 3c to prevent one rotation of the release lever 21.
3 from the hole 29b of the guide 29 fixed to the other end 3
7c is pressed by the rod 41 to rotate to the other side, and the one end 27b is pulled out from between the release lever 21 and the side wall 13c to make the release lever 21 rotatable to the other side. , Are provided.

In this locking device 40, one end 21 is fixed by a rod 41.
The release lever 21 that abuts against the lock arm 19 by pressing b and presses the lock arm 19 to the locking release position with the lot 5, and one end is inserted between the release lever 21 and the side wall 13c. A release cam for blocking the rotation of 21 and pressing the inclined surface 27c at the other end with the rod 41 so that the one end 27b is pulled out from between the release lever 21 and the side wall 13c to make the release lever 21 rotatable. 27
Since it is equipped with and, the lock mechanism can be repeatedly released and returned by the lock arm 19 without using a key.

A locking device according to a third aspect is the locking device 40 according to the first or second aspect, wherein the unit base 1 is
3, a cover 31 is fixed from the back side of the front frame, and the cover 3
The internal mechanism of the unit base 13 is covered by 1.

In this locking device 40, the unit base 1
The internal mechanism of 3 is covered by the cover 31, so that a fraudulent act such as releasing the lock arm 19 and the like from the rear surface of the game machine and opening the front frame cannot be performed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of a locking device according to the present invention will be described in detail below with reference to the drawings. Figure 1
2 is an exploded perspective view of a main part of the locking device according to the present invention, FIG. 2 is an exploded perspective view of the locking device according to the present invention, FIG. 3 is a side view (a) and a rear view (b) of FIG. 3 is an external view of the assembly, FIG. 4 is an external view of the assembly in the front frame unlocked state of FIG. 3, FIG. 5 is an external view of the assembly in the unlocked state of the glass door of FIG. 3, and FIG. 6 is a perspective view of the lock arm shown in FIG. 7 is a perspective view of the cylinder cam shown in FIG. 1, FIG. 8 is a perspective view of the release cam shown in FIG. 1, FIG. 9 is a perspective view of the release lever shown in FIG. 1, and FIG. 10 is shown in FIG. FIG. 11 is a perspective view of the lock cam, and FIG. 11 is a perspective view of the guide shown in FIG.

The locking device according to the present embodiment will be described by taking as an example the case of being used for a pachinko machine, which is a game machine. However, in addition to this, when it is used for a game machine such as a slot that uses medals as a game medium, it will be described later. -The same effect is achieved. The pachinko machine has a front frame that can be opened and closed on the outer frame,
It has a glass door that can be opened and closed with respect to the front frame. Locking of the front frame and the glass door is selected depending on the rotating direction of the cylinder lock provided on the front frame and exposed on the surface of the game table. For example, if the cylinder lock is rotated in one direction, only the glass door is unlocked from the front frame, and if the cylinder lock is rotated in the other direction, only the front frame is unlocked from the outer frame.

On the back surface of the front frame (not shown), a rail-shaped frame 1 shown in FIG. 2 having a substantially L-shaped cross section is fixedly installed. Hooks 3 are rotatably attached to both longitudinal ends of the frame 1 via support pins 2 shown in FIG. The hook 3 projects rearward from the back surface of the front frame. The pair of hooks 3 are connected to both ends of a long lot 5 which is slidable in the longitudinal direction of the frame 1 via rotary shafts 6. In other words, the hook 3 and the lot 5 form a link mechanism in which the pair of upper and lower hooks 3 simultaneously swings as the lot 5 slides.

A slider 7 is arranged between the lot 5 and the frame 1, and the slider 7 is slidable in the vertical direction in the same direction as the lot 5. A locking plate 7a is provided on the slider 7 in a protruding manner, and the locking plate 7a penetrates an elongated hole 1b formed in the standing plate 1a of the frame 1 and projects as shown in FIG. 3 (b). A spring C is stretched between the lot 5 and the slider 7, and the spring C urges the lot 5 downward in FIG. 2 and the slider 7 upward in FIG.

As shown in FIG. 4, the lot 5 slides upward against the urging force of the spring C, so that the upper and lower hooks 3 swing to lock with the outer frame (not shown). To release. On the other hand, as shown in FIG. 5, the slider 7 slides downward against the urging force of the spring C to release the locking of the locking plate 7a with respect to the glass door (not shown).

A lock unit 9 shown in FIG. 2 is fixed to the frame 1. This lock unit 9 is a cylinder lock 11 that exposes a key hole on the surface of the pachinko machine.
As will be apparent from the description below, one rotation of a key (not shown) inserted in the cylinder lock 11 slides the lot 5 upward, and the other rotation slides the slider 7 downward. . Further, the lock unit 9 has a lock arm which will be described later internally provided. By locking this lock arm to the lot 5, the lock 3 is prevented from being unlocked by directly sliding the lot 5. It has become.

The lock unit 9 is, as shown in FIG.
The unit base 13, the cylinder lock 11 fixed to the unit base 13, the cylinder cam 15 fixed to the rotation shaft of the cylinder lock 11, and the crimping pin fixed to the unit base 13 in the vertical direction on the back of the pachinko machine. 17
A lock arm 19 and a release lever 21 rotatably supported by the crimp pin 17, a spring A for urging the lock arm 19, and a spring B for urging the release lever 21.
A unit that supports one end of the crimping pin 23, a lock cam 25 and a release cam 27 rotatably supported by the crimping pin 23, which is fixed to the unit base 13 in parallel to the back surface of the pachinko machine. A guide 29 fixed to the base 13, a spring D for biasing both the lock cam 25 and the release cam 27 in the reverse rotation direction, and fixed to the unit base 13 from the rear side of the front frame to cover the internal mechanism of the unit base 13. And a cover 31.

The lock arm 19 shown in FIG. 6 has a support hole 19a through which the caulking pin 17 is inserted and a cylinder cam 15.
An abutment piece 19b that abuts a corner 15d (see FIG. 7) of
The lock cam 25 has a taper portion 19c with which the pressure contact end 25c (see FIG. 10) is in pressure contact, and a lock piece 19d fitted into the lock hole 33 (see FIG. 2) of the lot 5.

The cylinder cam 15 shown in FIG. 7 has a fixing hole 15a for fixing the rotary shaft of the cylinder lock 11 and a projecting piece 15b for engaging with the engaging groove 35 (see FIG. 2) of the slider 7.
And a lot slide piece 15c that engages with the engagement piece 37 (see FIG. 2) of the lot 5, and a corner portion 15d that abuts the abutment piece 19b of the lock arm 19. Cylinder cam 1
5 rotates by unlocking the cylinder lock 11, unlocks the lock arm 19 with respect to the lot 5, and slides the lot 5 in the unlocking direction.

The release cam 27 shown in FIG.
Support hole 27a for inserting 3 and the upper surface 2 of the release lever 21
1d (see FIG. 9) abutting arm 27b and supporting hole 2
An inclined plate 27 provided on the opposite side of the contact arm 27b with the 7a interposed therebetween.
have c. The release cam 27 is the unit base 13
And the side wall 13c (see FIG. 1) in a state in which the contact arm 27b, which is one end, contacts the release lever 21 and the release lever 21 rotates to the other. The contact arm 27b is sandwiched between the lock levers to prevent the release lever 21 from pivoting and the lock release mechanism return hole 29b of the guide 29 fixed to the unit base 13 (see FIG. 1).
1) to rotate the other end by pressing the inclined plate 27c at the other end with a rod, and the contact arm 27b can be pulled out from between the release lever 21 and the side wall 13c to rotate the release lever 21 to the other. State.

The release lever 21 shown in FIG. 9 has a support hole 21a into which the caulking pin 17 is inserted, a pressing piece 21b that abuts against the lock arm 19 to rotate, and a spring seat piece 21c against which the spring B abuts. is doing. The release lever 21 is rotatably supported by the unit base 13 and is rotated to one side so that the pressing piece 21 b, which is one end, is attached to the side wall 13 c of the unit base 13.
A lock release mechanism release hole 13b (see FIG. 1) formed in the side wall 13c and presses the pressing piece 21b to rotate the other side to contact the lock arm 19 and lock. The arm 19 is pushed to the lock release position with the lot 5.

The lock cam 25 shown in FIG. 10 has a support hole 25a through which the caulking pin 23 is inserted, an advancing / retreating portion 25b formed on one end side, and a pressure contact end provided on the opposite side of the advancing / retreating portion 25b with the support hole 25a interposed therebetween. 25c. The lock cam 25 is rotatably supported by the unit base 13 and rotates to one side so that the advancing / retreating portion 25b, which is one end, is attached to the unit base 1.
3, the pressure contact end 25c, which is the other end, is pressed against the taper portion 19c of the lock arm 19 to rotate the lock arm 19 to the unlocking position with the lot 5, and the forward / backward movement portion when the front frame is closed. 25b is pressed by the outer frame and pivoted to the other side to release the pressure contact of the pressure contact end 25c to the lock arm 19 so that the lock arm 19 can be locked to the lot 5.

The guide 29 shown in FIG.
3 has a pin hole 29a that supports one end of the lock lever 3 and a lock release mechanism return hole 29b that faces the inclined plate 27c of the release cam 27.

Further, the unit base 13 has a lock release mechanism release hole 13b on the surface of the release lever 21 facing the pressing piece 21b.

The lock arm 19 is biased counterclockwise in FIG. 1 by the spring A about the swaging pin 17.
The release lever 21 is biased counterclockwise in FIG. 1 by the spring B about the caulking pin 17. Lock cam 25
Is urged by the spring D in the clockwise direction in FIG. The release cam 27 is biased by the spring D in the clockwise direction in FIG. 1 about the caulking pin 23.

The lock cam 25, which is biased clockwise,
When the front frame is opened, the urging force of the spring D causes the lock unit 9 to rotate in the clockwise direction of FIG.
Is pressed against the taper portion 19c of the lock arm 19 to rotate the lock arm 19 clockwise against the biasing force of the spring A. That is, by this clockwise rotation, the lock piece 19d of the lock arm 19 is held in the state of being pulled out from the lock hole 33 of the lot 5 in the opened state of the front frame.

Next, the locking device 40 constructed as described above.
The operation of will be described. 12 is an operation explanatory diagram showing the state when the front frame is closed in FIG. 1 in a side view (a) and a rear view (b), FIG. 13 is an operation explanatory diagram in the front frame openable state in FIG. 12, and FIG. 12 is an operation explanatory diagram of the front frame opened state in FIG. 12, FIG. 15 is an operation explanatory diagram of the front frame closed state in FIG. 12, FIG. 16 is an operation explanatory diagram of the unlocked state in FIG. 12, and FIG. 17 is a lock return in FIG. It is an operation explanatory view of a state.

When the front frame is closed, the advancing / retreating portion 25b of the lock cam 25 is pressed by the outer frame 38, and the lock piece 19d of the lock arm 19 is locked to the lot 5.
In this state, as shown in FIG. 12, when the cylinder lock 11 is rotated and the cylinder cam 15 is slightly rotated counterclockwise in FIG. 12 (b), the lock arm 19 abuts on the corner 15d and swivels, so that the lot 5 The lock is released.

As shown in FIG. 13, the cylinder cam 15
When is further rotated, the lot slide piece 1 of the cylinder cam 15
5c pushes up the engaging piece 37 of the lot 5, and the lot 5 slides (slides) upward as shown in FIG.
Turns. Therefore, the front frame is changed from the closed state to the open state.

As shown in FIG. 14, when the front frame is opened, the lock cam 25 rotates in the direction of the arrow by the force of the spring D, the press contact end 25c presses the tapered portion 19c, and the force of the spring A causes the lock arm 19 to move. Stop trying to return in the locking direction. That is, the unlocked state is maintained.

In this state, the cylinder cam 15 is returned to the original position, and even if the lot 5 returns, the lock arm 19 is held and the lock is not locked. Further, even if the lock cam 25 is returned to its original position with the front frame opened in some way, the force of the spring D rotates in the direction of the arrow to push the taper portion 19c of the lock arm 19 to unlock the lock arm 19. Hold the state.

As shown in FIG. 15, the cylinder cam 15
When the front frame is closed in the state where the lock arm 25 is returned, the advancing / retreating part 25b of the lock cam 25 hits the outer frame 38 and rotates in the direction of the arrow, the press contact end 25c moves away from the taper part 19c, and
Release the holding of 9. When the holding of the lock arm 19 is released, the force of the spring A causes the lock arm 19 to move to the position shown in FIG.
(B) Rotates counterclockwise to lock the lock piece 19d in the lock hole 33 to lock the lot 5.

Further, as shown in FIG. 16, when the rod 41 is inserted into the lock release mechanism release hole 13b, the release lever 21 is released.
The pressing piece 21b is pressed, and the lock arm 19 also rotates at the same time as the release lever 21 rotates clockwise, and the lock of the lot 5 is released. When the release lever 21 pivots, the release cam 27 is disengaged from the upper surface 21d where the contact arm 27b is in contact with the release lever 21 and is rotated in the direction of the arrow by the force of the spring D to move the release lever 21 and the lock arm 19 together. Hold. That is, the release cam 27 holds the lock arm 19 at the position where it is not locked to the lot 5 via the release lever 21.

On the other hand, as shown in FIG. 17, when the rod 41 is inserted into the lock release mechanism return hole 29b of the guide 29, the inclined plate 27c of the release cam 27 is pushed and the release cam 27 is moved as shown in FIG. The clockwise rotation causes the contact arm 27b of the release cam 27 to escape from between the side wall 13c and the release lever 21. As a result, the release lever 21 returns to the original position by the force of the spring B and the lock arm 19 returns to the original position by the force of the spring A, and locks the lot 5.

As described above, according to the locking device 40, the lock arm 19 is locked to the lot 5, and the lot 5 is locked.
Since it is possible to regulate the sliding of the lot 5, it is possible to prevent the locking of the lot 5 and the outer frame by directly sliding the lot 5, that is, the illegal unlocking of the front frame. Further, the unit base 13 is fixed to the frame 1, and the unit base 13
Since the cylinder lock 11, the cylinder cam 15, the lock arm 19, the lock cam 25, the release lever 21, and the release cam 27 are provided in the above, it is not necessary to provide the constituent members of the lock device 40 in the outer frame, and the lock device 40 can be provided as one unit. It can be attached to the front frame as a unit.

Further, the pressing lever 21b is pressed by the rod 41 to abut on the lock arm 19 and press the lock arm 19 to the lock release position with the lot 5, the release lever 21.
And the contact arm 27b between the release lever 21 and the side wall 13c.
The contact arm 27b is pulled out from between the release lever 21 and the side wall 13c by pressing the inclined plate 27c at the other end with the rod 41 by blocking the rotation of the release lever 21 by sandwiching. Since the lock cam 27 is provided so as to be rotatable, the lock mechanism can be repeatedly released and returned by the lock arm 19 without using a key.

Further, since the internal mechanism of the unit base 13 is covered with the cover 31, it is possible to prevent the fraudulent act such as opening the front frame by releasing the lock arm 19 and the like from the rear surface of the gaming machine. .

[0040]

As described above, according to the locking device of the present invention, since the lock arm for locking the lot is provided, the lock arm is engaged with the lot while the lot is locked by the outer frame. Can be stopped and the lot sliding can be regulated,
It is possible to prevent unlocking between the lot and the outer frame by directly sliding the lot. As a result, it is possible to prevent unauthorized unlocking of the front frame that releases the lock of the lot by inserting a wire or the like through the gap between the front frame and the outer frame, and improve the locking reliability of the front frame.

Further, since the lot is slidably mounted on the frame and the cylinder lock, the cylinder cam, the lock arm, and the lock cam are mounted on the unit base fixedly mounted on the frame, the locking device is attached to the front frame as one unit. It is possible to improve the mountability.

Further, according to the locking device of the present invention, by pressing one end with the rod, the release lever contacts the lock arm and presses the lock arm to the lock release position with the lot, the release lever and the side wall. One end is sandwiched between the two to prevent rotation of the release lever, and the other end is pulled out from between the release lever and the side wall by pressing the inclined surface of the other end with a rod so that the release lever can be rotated. Since the lock cam is provided with a release cam, the lock mechanism can be repeatedly released and returned by the lock arm without using a key, and convenience of distribution and installation of the locking device can be enhanced.

Further, according to the locking device of the present invention,
A cover was fixed to the unit base from the back side of the front frame, and since the cover covered the internal mechanism of the unit base, the lock arm etc. was released from the back side of the gaming machine,
It is possible to prevent illegal acts such as opening the front frame, and acts such as destroying the internal mechanism.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part of a locking device according to the present invention.

FIG. 2 is an exploded perspective view of the locking device according to the present invention.

3 is an external view of the assembly shown in FIG. 2 in a side view (a) and a rear view (b).

4 is an external view of the assembly in the unlocked state of the front frame of FIG.

FIG. 5 is an external view of the assembly in the unlocked state of the glass door of FIG.

FIG. 6 is a perspective view of the lock arm shown in FIG.

FIG. 7 is a perspective view of the cylinder cam shown in FIG.

FIG. 8 is a perspective view of the release cam shown in FIG.

9 is a perspective view of the release lever shown in FIG. 1. FIG.

10 is a perspective view of the lock cam shown in FIG. 1. FIG.

11 is a perspective view of the guide shown in FIG. 1. FIG.

12 is an operation explanatory view showing a state when the front frame is closed in FIG. 1 in a side view (a) and a rear view (b).

13 is an operation explanatory diagram of a front frame openable state in FIG.

FIG. 14 is an operation explanatory diagram of the front frame open state in FIG. 12;

15 is an operation explanatory diagram of the front frame closed state in FIG. 12;

16 is an operation explanatory diagram of an unlocked state in FIG. 12;

17 is an explanatory diagram of an operation in a lock recovery state in FIG.

FIG. 18 is a perspective view of a conventional gaming table locking device.

[Explanation of symbols]

1 ... Frame 5 ... lot 9 ... Lock unit 11 ... Cylinder lock 13 ... Unit base 13b ... Lock release mechanism release hole 13c ... Side wall 15 ... Cylinder cam 19 ... Rock arm 21 ... Release lever 25 ... Lock cam 27 ... Release cam 27c ... Inclined plate 29 ... Guide 29b ... Lock release mechanism return hole 31 ... Cover 38 ... Outer frame 40 ... Locking device 41 ... stick

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Ryuji Murakami             Miwa lock, 3-12-1, Shiba, Minato-ku, Tokyo             Within the corporation F-term (reference) 2C088 BC42 DA09 EA15

Claims (3)

[Claims] 1. A locking device for a gaming machine for locking a front frame that has a glass door and is openable and closable on an outer frame, the frame being fixed to a back surface of the front frame and slidable on the frame. A lot that is slidable on one side and locked to the outer frame, a unit base fixed to the frame, and rotatably supported by the unit base. A lock arm for stopping and controlling the sliding of the lot, a cylinder lock fixed to the unit base to expose a key hole on the front of the gaming machine, and a lock for rotating the lot by unlocking the cylinder lock. A cylinder cam that unlocks the arm and slides the lot in the unlocking direction, and is rotatably supported by the unit base, and pivots in one direction to project one end from the unit base. end The lock arm is pressed into contact with the lock arm to rotate the lock arm to a lock release position with respect to the lot, and when the front frame is closed, one end of the lock frame is pressed by the outer frame to rotate to the other side to move to the lock arm. And a lock cam for releasing the pressure contact so that the lock arm can be locked to the lot. 2. The locking device according to claim 1, wherein the rod is rotatably supported by the unit base and pivots to one side so that one end abuts a side wall of the unit base and a rod is formed from a hole formed in the side wall. And a release lever that pivots to the other by pressing one end and abuts against the lock arm and presses the lock arm to the locking release position with the lot, and is rotatably supported by the unit base. And one end of the release lever is inserted between the release lever and the side wall in a state where the release lever is rotated to one side and one end is brought into contact with the release lever and the release lever is rotated to the other. Along with blocking
By pressing the inclined surface at the other end from the hole of the guide fixed to the unit base with a rod, the other end is rotated and the one end is pulled out from between the release lever and the side wall and the release lever is rotated to the other. A locking device comprising: a release cam that enables the lock. 3. The locking device according to claim 1, wherein a cover is fixed to the unit base from the back side of the front frame, and the cover covers the internal mechanism of the unit base. apparatus.