JP2002172244A - Locking device on back side of game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a key from being forgotten to be set or removed. SOLUTION: When a rear cover 10 is coupled with a front frame 3 via a cover lock mechanism 13 in an unopenably closed state and a lock 39 is locked by the key 45, the lock 39 fixes the cover lock mechanism 13 to hold the coupling between the rear cover 10 and the front frame 3, and the key 45 can be removed from the lock 39. When the key 45 inserted into the lock 39 is rotated in one direction by 90 deg., for example, to unlock the lock 39 with the key 45, the key 45 cannot be removed from the lock 39. The cover lock mechanism 13 can be operated to release the coupling between the rear cover 10 and the front frame 3, and the rear cover 10 can be released from the front frame 3 and opened by the cover lock mechanism 13. When the opened rear cover 10 is closed, the rear cover 10 is coupled with the front frame 3 via the cover lock mechanism 13 and unopenably closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device at the back of a game machine.

[0002]

2. Description of the Related Art FIG. 6 shows a game machine backside locking device disclosed in Japanese Patent Application Laid-Open No. 10-5395. In FIG. 6, 1
01 is a front frame, 102 is a game board attached to the front frame 101, 103 is a game control device attached to the back side of the game board 102, 104 is a cover attached to the back side of the game board 102, and 105 is a lock. Mechanism. Then, the cover 104 is closed, and the control device 103 is covered with the cover 104.
The cover 104 is locked by the lock mechanism 105, and the lock of the lock mechanism 105 is locked by a key, thereby preventing improper operation on the control device 103.

[0003]

However, in the above-described conventional example, forgetting to lock or remove the key may occur.

[0004] Therefore, the present invention provides a game backside locking device which can prevent forgetting to lock or pull out a key.

[0005]

According to the present invention, a rear cover is connected to the rear side surface of the front frame by a rear hinge so as to be able to open one side, and a cover lock mechanism for engaging / disengaging the rear cover with the front frame is operated by key operation. The lock is fixed / released with a lock that is performed, and the insertion / removal of the key to / from the lock and the engagement / release of the cover lock mechanism are associated with each other. Therefore, according to the present invention, when the cover lock mechanism engages the rear cover with the front frame, the key can be removed from the lock, and when the cover lock mechanism releases the rear cover from the front frame, the key can be removed from the lock. Disabled and the cover lock mechanism disabled. That is, if there is no key, the rear cover is not closed with the half-open state, and the rear cover is not removed unless the rear cover is locked, so that forgetting to lock or remove the key can be prevented.
In the present invention, if the key inserted into the lock is determined to collide with the outer frame when the front frame is closed, the front cover is locked unless the rear cover is locked and the key is removed from the lock. Cannot be completely closed with respect to the outer frame, and the prevention of forgetting to lock and to remove the key can be further improved. Further, in the present invention, if the cover lock mechanism has an emergency removal hole for the lock, in the case of lock failure or key loss, the lock is removed from the cover lock mechanism using the emergency removal hole, Locks can be changed.

[0006]

1 to 5 show an embodiment of the present invention. FIG. 1 shows an appearance of a backside locking device of a game machine, FIG. 2 shows an exploded view of a cover lock mechanism 13, and FIG. 3 shows a state in which the key 45 can be inserted into and removed from the lock 39, FIG. 4 shows a state in which the key 45 cannot be inserted into and removed from the lock 39, and FIG.

With reference to FIG. 1, a description will be given of a gaming machine back side locking device. The gaming machine frame 1 is attached to a frame-shaped outer frame 2 (see FIG. 5) fixed to an island of a pachinko parlor so that a frame-shaped front frame 3 can be opened to the front side by a frame hinge 4 so that the front frame 3 can be opened. A rear plate 5 is fixed to the back side surface, an upper tank 6 and a lower tank 7 are provided above the rear plate 5, and a ball dispensing mechanism 8 is attached to one side of the rear plate 5 by a back side hinge 9 so as to be able to open one side. A rear cover 10 made of transparent synthetic resin is fixed to the dispensing mechanism 8, a receiving portion 11 is provided on the rear cover 10, a frame lock mechanism 12 and a cover lock mechanism 13 are provided on the other side of the rear plate 5, The ball gutter 14 is fixed to the lower part of the ball gutter 14 and the ball launch control device 1
5 and a ball payout control device 16. The front frame 3 is provided with a frame locking device 17 for engaging and releasing the frame lock mechanism 12 on the free end side.

Then, when the operator inserts the key 45 into the keyhole of the cover lock mechanism 13 which is oriented in the vertical direction of the lock 39 and rotates it in one direction by, for example, 90 degrees, the lock 39 is unlocked by the key 45. When the lock 39 is unlocked, the lock 39 releases the fixing of the cover lock mechanism 13. That is, when the lock 39 is unlocked with the key 45, the cam 42 of FIG. 2 provided on the lock 39 enables the lock slider 31 to move downward. When the lock 39 is unlocked by the key 45 and the lock slider 31 can be moved downward, the lock 3
9 is called release of the cover lock mechanism 13. Then, in a state where the cover lock mechanism 13 is released, when the operation portion 38 is artificially pressed down against the spring force of the spring 37 in FIG. 2, the hook portion 33 of the cover lock mechanism 13 and the receiving portion 11 of the rear cover 10 are pressed. Is released (unlocked), and when the operator pulls the rear cover 10 to the rear side, the rear cover 10
Is opened to the back through the ball payout mechanism 8. When the rear cover 10 is opened, the worker
When the front cover 0 is pushed forward and the rear cover 10 is closed forward via the ball dispensing mechanism 8, the hook portion 33 and the receiving portion 11 are engaged.
(Lock), and the cover lock mechanism 13 engages the rear cover 10 and the rear plate 5. In this state, when the worker rotates the lock 39 by 90 degrees in the opposite direction to the above, the lock 39 is locked with the key 45. That is, when the lock 39 is locked with the key 45, the cam 42 of FIG. 2 provided on the lock 39 prevents the lock slider 31 from moving downward,
The rear cover 10 is closed by the front frame 3 so that it cannot be opened and closed. The lock 39 is locked by the key 45 and the lock slider 3
The state in which the downward movement of 1 is prevented is referred to as fixing of the cover lock mechanism 13 by the lock 39.

The game board 20 has a component mounting member 21 forming a winning ball passage fixed on the back side surface, and a main control device 22 and a symbol display device 2 including a symbol control device on the back side surface of the component mounting body 21.
3, a sound control device 24, an indicator light control device 25, and the like. When the game board 20 is stored in the storage room surrounded by the front frame 3 and the rear plate 5, the main control device 22, the symbol display device 23 including the symbol control device, the sound control device 24, and the indicator light control device 25 become It protrudes rearward from the central opening of the rear plate 5. The main control device 22, the symbol display device 23 including the symbol control device, the sound control device 24, the indicator light control device 25, and the ball launch control device 1 attached to the front frame 3.
5 and the ball dispensing control device 16 are covered by the closed rear cover 10, so that the ROM for the
Unauthorized acts such as exchanging can be prevented.

The cover lock mechanism 13 will be described with reference to FIG. The cover lock mechanism 13 includes a lock slider 31 inside a lock case 30 formed in a vertically long box shape.
And the lock supporter 32, and the lock slider 31
Projecting from the lock case 30 through the through hole 34 formed in the lock case 30,
The lock supporter 32 is fastened to the lock case 30 with a set screw 44. An elongated hole 35 formed in the lock slider 31 and a protrusion 36 protruding from the lock supporter 32 are movably fitted to the lock slider 31 and the lock supporter 3.
A spring 37 such as a coil spring hooked on the lock slider 31 applies an upward spring force to the lock slider 31. The operating part 38 formed on the lock slider 31 is a lock case 3
0 and the lock case 30 from the gap between the lock supporter 32
Project outside.

A lock 39 is disposed in a notch 40 formed in one side wall of the lock case 30 and is fitted non-rotatably into a deformed hole 41 formed in the lock supporter 32. Attach the stopper 46 to the middle part of the lock 39 protruding into the inside of the lock 3.
9 is fixed to the lock supporter 32. A cam 42 rotatably provided at the tip of a lock 39 protruding into the lock case 30 from the stopper 46 corresponds to the lock slider 31 without interfering with the lock supporter 32. The lock case 30 has an emergency removal hole 43 in the other side wall corresponding to the lock 39.
The lock 39 can be removed from the lock supporter 32 by using the emergency removal hole 43 to remove the stopper 46 when the lock 39 is broken or the key 45 is lost.

Referring to FIGS. 3 and 4, a key 45 and a lock 39 are shown.
Will be described. First, as shown in FIG. 3A, the key 45 can be inserted into and removed from the lock 39 in the vertical direction. The structure in which the key 45 can be inserted into and removed from the lock 39 is as follows.
Is constituted by an internal mechanism (not shown). Key 45
3 can be inserted into and removed from the lock 39, the cam 42 of the lock 39 corresponds to the lock slider 31 and prevents the lock slider 31 from moving downward as shown in FIG. Next, the key 4 inserted into the lock 39 as shown in FIG.
An internal mechanism (not shown) of the lock 39 is configured so that the key 45 does not come out of the lock 39 at a position where the lock 5 is rotated in one direction, for example, 90 degrees in the horizontal direction. Key 45
Is rotated in the lateral direction, the cam 42 of the lock 39 is separated from the lock slider 31 to allow the lock slider 31 to move downward as shown in FIG. FIG.
In order to clarify the posture of the key 45 and the keyhole of the lock 39 after rotation, the state in which the key 45 is removed from the lock 39 is schematically shown. However, in practice, the key 45 cannot be removed from the lock 39. It remains inserted in the lock 39.

That is, as shown in FIG.
When the rear cover 10 is closed as shown in FIG. 1 even if the open rear cover 10 is closed as shown in FIG. The receiving portion 11 only collides with the hook portion 33 and cannot engage with the hook portion 33.
Is opened halfway, so that forgetting to lock the rear cover 10 can be prevented. As shown in FIG. 4, when the key 45 inserted into the lock 39 is rotated in the horizontal direction, the hook 3
3 can be moved downward, the opened rear cover 10 is closed as shown in FIG. 1, and when the receiving portion 11 of FIG. 1 collides with the hook portion 33, the hook portion 33 is pushed down against the spring force. . When the receiving portion 11 exceeds the hook portion 33, the hook portion 33 is lifted by the spring force and engaged with the receiving portion 11, and the rear cover 10 is closed while being engaged with the rear plate 5 via the cover lock mechanism 13. Can be

In a state where the rear cover 10 is closed while being engaged with the rear plate 5 and the key 45 inserted into the lock 39 is rotated in the lateral direction as shown in FIG. 4, the operation unit 38 shown in FIG. When the rear cover 10 is pulled to the back side while pressing down by hand, the engagement between the receiving portion 11 and the hook portion 33 is released, and the rear cover 10 is opened. Also, rear cover 1
When the key 45 inserted in the lock 39 is reversely operated from the horizontal rotation position in FIG. 4 to the vertical position in FIG. 3 in a state in which the key 45 is closed while being engaged with the rear plate 5, the operation in FIG. The part 38 cannot be pushed down by hand, the engagement between the receiving part 11 and the hook part 33 is not released, and the rear cover 10 is locked and cannot be opened.

With reference to FIG. 5, prevention of forgetting to remove or remove the key 45 will be described. When opening and closing the rear cover 10, the engagement between the outer frame 2 and the front frame 3 by the frame lock mechanism 12 is released, the front frame 3 is opened to the front side, and the key 45 is opened through the lateral opening between the front frame 3 and the outer frame 2. To the lock 39 of the cover lock mechanism 13.
After the cover lock mechanism 13 is engaged and released, the rear cover 10 can be opened and closed. In the state where the cover lock mechanism 13 is engaged with the rear cover 10, the key 4 is locked unless the lock 39 is locked.
Since the lock 5 does not come out of the lock 39, if the worker who tries to close the front frame 3 visually recognizes the key 45 inserted in the lock 39, it is possible to prevent the lock 45 from being forgotten or removed. . Also, with the key 45 inserted in the lock 39, the front frame 3
When the key 45 is pressed and closed, the key 45 collides with the outer frame 2 and the front frame 3 cannot be closed any more, so that forgetting to lock or remove the key 45 can be more effectively prevented.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a gaming machine back side locking device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view showing the cover lock mechanism of the embodiment.

FIG. 3 shows a state in which the key of the embodiment can be inserted and removed;
Fig. a is one side view, and Fig. b is another side view.

FIG. 4 shows a state in which the key of the embodiment cannot be removed;
Fig. a is one side view, and Fig. b is another side view.

FIG. 5 is an exemplary plan view showing prevention of forgetting to lock or remove the key according to the embodiment;

FIG. 6 is a plan view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gaming machine frame 2 Outer frame 3 Front frame 9 Back hinge 10 Rear cover 11 Receiving part 13 Cover lock mechanism 31 Lock slider 38 Operation part 39 Lock 43 Emergency removal hole 45 Key

Claims (3)

[Claims] 1. A rear cover is connected to a rear side surface of a front frame by a rear hinge so as to be able to open one side, and a cover lock mechanism for engaging / releasing the rear cover with the front frame is fixed / released by a key operated lock. A back side locking device for a gaming machine, wherein the key insertion and removal of the key and the engagement and release of the cover lock mechanism are associated with each other. 2. The gaming machine back side locking device according to claim 1, wherein the key inserted into the lock is determined to collide with the outer frame when the front frame is closed. 3. The locking device according to claim 1, wherein the cover lock mechanism has an emergency removal hole for the lock.