JPH0449433B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a locking device for locking or unlocking a front frame or a glass door frame mounted on a gaming machine, such as a pachinko gaming machine.

[Prior Art] Generally, pachinko game machines from a plurality of manufacturers are installed in pachinko game parlors, etc., so that players can select a desired game machine and play the game. As is well known, each pachinko machine is equipped with a front frame and a glass door frame that can be opened and closed, and is normally locked. It is designed to be unlocked by operating it.

[Problems to be Solved by the Invention] By the way, the above-mentioned locks and the keys for unlocking the locks are different for each manufacturer's pachinko game machine, and therefore, Amusement hall employees must always carry multiple types of keys with them, and when opening the front frame or glass door frame during business hours or after closing, they may accidentally use the wrong key or find the key to the corresponding manufacturer's pachinko machine. However, there was a problem in that the work could not be done quickly and easily due to the amount of time and effort required.

Additionally, if your keys are lost or stolen, there is a risk that these keys could be used illegally.
Most amusement centers replace all the locks and locking mechanisms of pachinko machines made by manufacturers that can use lost keys.In addition to causing a lot of economic loss, the replacement process is extremely troublesome and time-consuming. Hanging,
This will result in a huge loss for the amusement park.

Additionally, if you obtain a duplicate key for each manufacturer's pachinko machine, you can use it at any amusement facility, so these days, most amusement centers are suffering damage from fraudulent activities using these duplicate keys, and strong countermeasures are in place. It is requested.

Therefore, an object of the present invention is that one type of key can be used for all pachinko machines of each manufacturer installed in a game parlor, and even if this key is lost or stolen, it can be easily and quickly dealt with. To provide a locking device for a gaming machine that can

Another object of the present invention is to provide a locking device for a gaming machine that can completely prevent fraudulent activity using a duplicate key.

Furthermore, another object of the present invention is to provide a locking device for a game machine that has a simple structure, can be easily attached to any game machine, and has high operational reliability.

[Means for Solving the Problems] The present invention is characterized by a combination of a lock that is attached to the front frame or the front of the gaming machine and locks the front frame, and an additional lock that is attached to the front of the lock. The additional lock includes a lock case that also serves as a decoration and is attached to the front surface of the front frame, a cylinder member that is accommodated in an internal hole formed in the lock case, a key that rotates the cylinder member, and the lock. and a key member inserted into the keyhole of the
The key member has an engaged portion that engages with an engaging portion formed at the rear end of the cylinder member, and a disk-shaped spring receiver that is approximately equal to the inner diameter of the internal hole of the lock case. The inserted spring constantly presses the lock in the direction of the lock, and the cylinder member is rotated to unlock the lock, and the key that rotates the cylinder member is
It is set to be different from the key member that locks and unlocks the lock.

[Function] When the cylinder member is rotated by the key, the key member rotates together, and the lock attached to the front frame is unlocked by the rotation of the key member.

[Example] An example of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a pachinko game machine as an example of a game machine to which the present invention is applied, seen from the front, and FIG. 2 is a perspective view of the pachinko game machine seen from the back with the front frame open. . The pachinko game machine 1 is
A front frame 3 is attached to the front of the machine frame 2 so as to be openable and closable. A metal frame 3' is attached to the periphery of the window hole of the frame 3, and a glass door frame 4 is attached to one side of the metal frame 3' so as to be openable and closable. A mounting frame 5 is fixed to the back surface of the front frame 3, and a game board 6 is positioned and detachably mounted on the mounting frame 5. A mechanism plate 7 is attached to the back side of the game board 6 so as to be openable and closable. A locking mechanism 8 is attached to the back surface of one open side of the front frame 3.

FIG. 5 is an exploded perspective view showing an example of the locking mechanism 8, which includes a mounting board 9 that is elongated vertically. The mounting board 9 is bent into a substantially square shape when viewed from above to form bent pieces 9a and 9b. Then, the bent piece 9a is fixed to the back surface of the front frame 3, and the bent piece 9b is projected in a direction perpendicular to the front frame 3. A through hole 10 is bored approximately in the vertically central portion of the bent piece 9a. A lock 11 made by each manufacturer, such as a cylinder lock, is fixed to the front surface of the bent piece 9a in which the through hole 10 is formed, and the front portion where the keyhole 12 is formed is connected to the front surface of the front frame 3. placed on the same plane. Also, a rotation shaft 13 of the lock 11 protrudes from the through hole 10 to the rear of the bent piece 9a.
An actuating plate 16 having two cam projections 14 and 15 is fixed to the holder.

Reference numeral 17 denotes a movable plate for locking the glass door frame 4. A long hole 18 is vertically bored in the movable plate 17, and a pin 19 protruding from the bent piece 9b is inserted into the long hole 18. It can be installed so that it can be inserted and slid up and down.
Further, the cam projection 14 is provided on the front edge of the movable plate 17.
A notch 20 is formed to engage with the rear end edge, and an engagement piece 22 is bent and formed at the rear end edge.

Reference numeral 23 denotes a sliding plate for locking the front frame 3, and an engagement hole 24 for engaging the cam projection 15 is bored in the center thereof. Further, hook members 25 and 26 are provided at the upper and lower parts of the sliding plate 23. The upper hook member 25 forms a bent step 27 at its lower end and is engaged with the upper end of the sliding plate 23, and the lower hook member 26 is fixed to the lower end of the sliding plate 23. Then, it is attached to the bending piece 9b such that it overlaps the outside of the movable plate 17 and is slidable up and down.

The movable plate 17 and the upper hook member 25 are connected to each other by a spring 28, and the movable plate 17 is normally biased upward by the spring 28, so that the engaging piece 22 of the movable plate 17 is attached to the glass door frame. It is positioned above the opening/closing lever piece 21 of No. 4 so that it can be pressed downward. Further, the sliding plate 23 is urged downward, and the hooks 25a, 26a at the tips of the hook members 25, 26 engage with locking fittings 29a, 29b formed inside the machine frame 2, respectively, and this engagement The state is maintained.

Therefore, when the operating plate 16 is rotated to the right as shown by the arrow in FIG. It is moved downward against the biasing force of 28, and the lever piece 21 is pressed downward by the engagement piece 22 of this, and the glass door frame 4 is opened. Also,
When the actuating plate 16 is rotated to the left as shown by the arrow in FIG. As a result, the hooks 25a, 26a of the hook members 25, 26 and the locking fittings 29a, 29b are released, and the front frame 3 is opened.

According to the present invention, an additional lock 30 is attached to the front surface of the lock 11. The additional lock 30 is the third
As shown in the figure and FIG. 4, it has a lock case 31 which is attached to the front of the front frame 3 and also serves as a decoration.

The lock case 31 has a width selected to be narrower than or approximately equal to the width of one side of the front frame 3 to which the lock 11 is attached, and is formed in the shape of a vertically elongated hollow mountain with a raised central portion when viewed from the side. . The lock case 31 also has a plurality of mounting holes 35 formed in the upper and lower positions of the top surface, a key entrance 36 for inserting the key 33 in the central part of the front surface, and a cylindrical cylinder communicating with the key entrance 36. It has a shaped internal hole 37. Also, lock case 3
A notch step portion 38 is formed on the back surface of 1 along the inner edge in the longitudinal direction. This cutout step 38 is used to attach the metal frame 3' when the lock case 31 is attached to the front surface of the lock 11.
It has the function of avoiding collision with

Inside the internal hole 37 of the lock case 31, there is a cylindrical bearing member 43 fixedly held by a retaining ring 42 so as not to move in the axial direction, and a shaft hole 44 of the bearing member 43 (see FIG. 6). ), and houses a cylinder member 46 which is rotated by the key 33 inserted from the key entrance 36 of the lock case 31. . A cylinder member 4 is provided on the outer periphery of the bearing member 43.
It has a groove 48 that allows the protrusion piece 47 formed in the groove 6 to face and restricts its rotation range. Further, the rear end of the rotation shaft 45 of the cylinder member 46 is connected to the shaft hole 4 of the bearing member 43.
4 and has a square hole 49 (engaging part) in its center.
An engaging protrusion 50 is formed.

Further, the additional lock 30 includes a key member 32 that is inserted into the keyhole 12 of the lock 11 and unlocks the lock 11 by rotation. The key member 32 is made of a hard synthetic resin or the like with excellent strength and durability, and includes a key portion 32a to be inserted into the keyhole 12 of the lock 11, and a square hole formed in the rotation shaft 45 of the cylinder member 46. 4
A prismatic projection 39 (engaged portion) that fits into the prismatic projection 39 and a disc-shaped spring receiver 40 are integrally formed. Engagement groove 41 that engages with engagement protrusion 50
is formed. In addition, the spring receiver 4
0 is selected to be approximately equal to the inner diameter of the inner hole 37 of the lock case 31.

FIG. 6 shows a state in which the additional lock 30 is attached to the front surface of the lock 11. The installation of the additional lock 30 is as follows:
First, insert the key part 32a of the key member 32 into the key hole 12 of the lock 11.
Insert. Then, the internal hole 37 of the lock case 31
After that, the lock case 31 is brought into contact with the front frame 3, and the prismatic protrusion 39 of the key member 32 and the engagement groove 41 are inserted into the square hole 49 of the cylinder member 46. and the engagement protrusion 50 respectively, and insert the screw 52 into the mounting hole 3 of the lock case 31.
5 from the front and is fastened to the front frame 3. As a result, the rear end of the spring 51 comes into contact with the spring receiver 40 of the key member 32, and the key member 32 is constantly pressed forward (in the lock direction) to reliably maintain the inserted state. Further, the spring receiver 40 is located in the internal hole 37 of the lock case 32 to prevent rattling of the key member 32 and provide stability to rotation.

The present invention configured as described above has a key entrance 36 in which the key 33 is formed in the lock case 31 of the additional lock 30.
When the cylinder member 46 and the key member 32 are inserted and rotated, the cylinder member 46 and the key member 32 rotate together, and the rotation shaft 13 of the lock 11 mounted on the front frame 3 is rotated by the key member 32. This rotation of the rotation shaft 13 causes the actuation plate 16 to rotate, and as described above, it is possible to unlock and selectively open desired members of the front frame 3 and the glass door frame 4. can.

A key member 32 rotated by a key 33
is configured such that it is always pressed forward by the spring 51 and is reliably maintained in the inserted state into the lock 11, resulting in extremely high operating performance and operating reliability.

[Effects of the Invention] As described above, according to the present invention, the following advantages are brought about by attaching the additional lock having the above-described structure to all the pachinko game machines installed in a pachinko game parlor. That is, it is possible to use one type of key to unlock different locks for each manufacturer that are attached to a large number of pachinko game machines in a pachinko game parlor. This eliminates the need for store staff to carry multiple types of keys, as was the case in the past.
When opening the front frame or the glass door frame, there is no need to search for a key that fits the lock attached to each manufacturer's pachinko game machine, and there is an advantage that the work can be done quickly and easily.

Additionally, if the key to the additional lock is lost or stolen, all you have to do is replace it with an additional lock that cannot be unlocked with the lost or stolen key. It also has the advantage that it requires less effort than replacing it, and the work time and economic loss associated with the replacement can be significantly reduced.

Furthermore, according to the present invention, if a plurality of types of additional locks each using a different key are created and different types of additional locks are used for each pachinko game parlor, for example, a key can be used at a certain pachinko game parlor. Even if the additional lock is lost or stolen, it is extremely difficult and almost impossible to find a pachinko parlor where the additional lock key can be used for fraudulent purposes.
Therefore, it is possible to completely prevent fraudulent acts using duplicate keys for locks from various manufacturers, as in the past, and to provide a locking device for a gaming machine that is highly effective in preventing crime.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view of a pachinko gaming machine seen from the front, FIG. 2 is a perspective view of the pachinko gaming machine seen from the back with the front frame opened, and FIG. The figure is an exploded perspective view of the additional lock seen from the front, Figure 4 is an exploded perspective view of the additional lock seen from the back,
Fig. 5 is an exploded perspective view of the locking mechanism, Fig. 6 is a partially sectional side view with an additional lock attached, and Fig. 7 explains the operating state of the locking mechanism when opening the glass door frame. FIG. 8 is a perspective view illustrating the operating state of the locking mechanism when opening the front frame. DESCRIPTION OF SYMBOLS 1...Game machine, 3...Front frame, 11...Lock, 12...Key hole, 30...Additional lock, 31...Lock case, 32...Key member, 33...Key, 37...Inner hole, 39...Prismatic projection (covered) 40...Spring receiver, 46...Cylinder member, 49...Square hole (engagement part), 51...Spring.

Claims (1)

[Claims] 1. Consists of a combination of a lock that is attached to the front of the front frame of the gaming machine and locks the front frame, and an additional lock that is attached to the front of the lock, and the additional lock is attached to the front of the gaming machine. A lock case that also serves as a decoration and is attached to the front of the frame; a cylinder member that is accommodated in an internal hole formed in the lock case; a key that rotates the cylinder member; and a key member that is inserted into the keyhole of the lock. The key member has an engaged portion that engages with an engaging portion formed at the rear end of the cylinder member, and a disk-shaped spring receiver that is approximately equal to the inner diameter of the internal hole of the lock case. , which is constantly pressed in the direction of the lock by a spring inserted into the internal hole, and is configured to unlock and unlock the lock by rotating the cylinder member; and further, a key which rotates the cylinder member. The locking device for a gaming machine is characterized in that the key member for locking and unlocking the lock is set differently.