JP3401592B2 - Gaming machine locking device - Google Patents

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 locking a front frame of a gaming machine with respect to a main frame. More specifically, the present invention relates to a locking device suitable for locking and unlocking a front frame of a gaming machine exemplified by pachinko, pachi-slot, slot machine, smart ball, arrange ball, etc. with respect to a main frame. Is.

[0002]

2. Description of the Related Art A front frame of a gaming machine has one end fixed to a main frame with a hinge and the other end being a free end and rotatable with respect to the main frame. A locking device is provided to enable locking of the. As such a locking device, a locking rod is slidably arranged along the support plate inside a base frame body in which an attachment plate and a support plate are formed in an L-shaped cross section, and hooks are provided above and below the support plate. The member is pivotally locked so that the locking claw is tilted downward by a pivot stop pin, and is connected by the upper end and the lower end of the locking rod at a position closer to the locking claw than the pivot stop pin. A locking device is often used in which a cylinder lock is attached to the middle part of the plate so that the lock shaft is inserted inward from a hole provided in the mounting plate, and a cam plate that engages with the locking rod is fixed to the tip of the lock shaft. ing.

In a gaming machine having such a locking device, a receiving metal fitting is provided inside the main body frame, and the front frame is rotated around a hinge as a fulcrum, and a hook member of the locking device is locked to the receiving metal fitting. The pawl is engaged and locked, and the cam plate fixed to the lock shaft of the cylinder lock is rotated in the unlocking direction by the key, and the locking rod that engages with the cam plate is slid, and the receiving metal fitting and the hook member are locked. The front frame can be rotated around the hinge as a fulcrum by releasing the engagement with the locking claw and unlocking.

[0004]

[Problems to be Solved by the Invention]
When the free end side of the front frame is forcibly lifted in the locked state, the hinge is twisted, the engagement claw of the hook member and the receiving metal fitting are disengaged, and the front frame can be rotated with respect to the main body frame. Therefore, an illegal operation or the like on the game machine is caused.

The present invention was devised in order to solve the above-mentioned drawbacks of the prior art. The locking claws engage the receiving metal fitting from above and below, so that the front surface in the locked state. To provide a locking device in which even if the free end side of the frame is forcibly lifted and the hinge is twisted, the engagement between the locking claw and the receiving metal fitting is not disengaged, and an illegal operation or the like is difficult to be performed on the game machine. Also, the locking claws are engaged with the receiving fitting from above and below, and the locking device is guided by the receiving fitting when locking or unlocking, and in the locked state, the receiving fitting moves upward of the free end of the front frame. By providing the locking device with a means for restraining the locking, it is easy and secure to lock, etc., and in the locked state, it is impossible to lift the free end side of the front frame upward, and it is possible to prevent illegal operations on the gaming machine. Can't And its object is to provide a locking device.

[0006]

In order to solve the above-mentioned problems, the present invention has a locking rod inside a base frame body in which a supporting plate is erected from a vertical edge of a mounting plate attached to a front frame. The locking rod is slidably disposed along the support plate, and the locking rod is urged in the locking direction by a tension spring, and the urging force of the tension spring is generated by unlocking the cylinder lock attached to the middle portion of the mounting plate. In a locking device of a gaming machine that slides the locking rod along a support plate against the lock to unlock, a first hook member is provided at a lower part of the support plate by a locking pin with a locking claw directed upward. It is tiltably pivoted, is connected to a locking rod at a position closer to the mounting plate than the pivoting pin, and has a first hook portion at a lower part of the locking rod facing the first hook member and a locking claw. Is provided downward, and a second hook member is provided on the upper portion of the support plate so that the locking claw is upward. And is pivotally locked by a pivoting stop pin so as to be tiltable, is connected to a locking rod at a position closer to the mounting plate than the pivoting pin, and faces the second hook member to a second upper part of the locking rod. The hook part is provided with the locking claws facing downward, and the locking claws engage with the upper and lower receiving metal fittings attached to the main body frame from above and below to lock the front frame to the main body frame. It is characterized (Claim 1).

According to this, when the front frame to which the locking device is attached is rotated about the hinge as a fulcrum, the lower claws attached to the main body frame are engaged with the locking claws of the first hook member from below. The engaging claw of the first hook engages from above, and the engaging claw of the second hook engages from below and the engaging claw of the second hook engages from above from the upper metal fitting attached to the body frame. It is locked together. In the locked state, the free end side of the front frame is forcibly lifted and the hinge is twisted to engage the engaging claw of the first hook part with the lower receiving metal fitting and the engaging claw of the second hook part with the upper part. Even if the engaging hook of the first hook member is disengaged, the engaging hook of the first hook member and the lower receiving bracket and the engaging hook of the second hook member and the upper receiving bracket are kept engaged. The first hook member tilts downward about its pivot pin and the second hook member tilts downward about its pivot pin, so that the engagement cannot be easily disengaged. Therefore, an illegal operation or the like is not performed on the gaming machine.

Further, in the locking device of the gaming machine according to claim 1, a lower projecting portion which is formed by a lower projecting piece and an upper projecting piece and which receives the lower receiving metal piece is provided on an upper portion of the supporting plate at the lower portion of the supporting plate. It is preferable that an upper projecting portion which is formed by the lower projecting piece and the upper projecting piece and receives the upper receiving fitting is provided (claim 2).

According to this, when the front frame to which the locking device is attached is rotated about the hinge as the fulcrum, the upper and lower receiving fittings attached to the main body frame are provided with the upper protrusions of the locking device and the upper protrusion of the lower protruding portion. Each piece will be guided by riding.
Therefore, at the time of locking, the free frame side of the front frame can be set to an appropriate position by rotating the front frame to which the locking device is attached by using the hinge as a fulcrum, and the lower bracket attached to the main body frame can be set. , The engaging hook of the first hook member engages from below, the engaging hook of the first hook portion engages from above, and receives the lower receiving metal fitting between the upper projecting piece and the lower projecting piece of the lower projecting portion. In this state, the engaging hook of the second hook member engages with the upper receiving metal fitting attached to the body frame from below, the engaging hook of the second hook portion engages with from above, and the upward protrusion of the upward projecting portion. Accurate and reliable locking is achieved by setting the upper receiving metal fitting between the one piece and the lower projecting piece. In the locked state, even if the free end side of the front frame is forcibly lifted, the receiving metal fitting is received between the upper projecting piece and the lower projecting piece of the overhanging part. Lifting is stopped. Therefore, it is impossible to perform an illegal operation on the gaming machine. The lower projecting piece and the upper projecting piece of the lower projecting portion and the upper projecting portion may have a shape in which the opposite corners of the tip portions are corner-cut so that the distance between them increases.
This is preferable because the upper protrusion of the overhang portion is easily guided by the receiving metal fitting when locking or unlocking. Further, the lower protrusion and the upper protrusion of the lower protruding portion are respectively the first hook member and the first hook portion, and the lower protrusion and the upper protrusion of the upper protruding portion are respectively the second hook.
With the structure in which the hook member and the second hook portion closely face each other,
Even if a wire rod such as a piano wire having a hook portion is inserted from a gap between the front frame and the main body frame for an unauthorized purpose and the wire rod is pulled, the hook portion of the wire rod is not attached to the first hook member, the second hook member and the first hook portion. Alternatively, it is impossible to engage with only one of the second hook portions, and the lower protrusion of the lower protrusion, the upper protrusion of the lower protrusion, the lower protrusion of the upper protrusion is not supported. This is preferable because it engages with the piece or the upper projecting piece of the upper projecting portion, and an erroneous operation using such a wire can be prevented.

Further, a locking rod is slidably arranged along the support plate inside a base frame body in which the supporting plate is erected from a vertical edge of a mounting plate attached to the front frame. Is urged in the locking direction by a tension spring, and the locking rod is slid along the support plate against the urging force of the tension spring by the unlocking operation of the cylinder lock attached to the middle portion of the mounting plate. In a locking device of a game machine for unlocking, a first hook member is pivotally fixed to a lower portion of the support plate so as to be tiltable by a pivot pin with a locking claw upward, and is attached more than the pivot stop pin. The lock rod is connected at a position close to the plate, and
A second hook member is pivotally fixed to a lower portion of the support plate so as to be tiltable by a pivoting pin with a locking claw facing downward at a lower part of the support plate, and is located closer to the locking claw than the pivoting stop pin. At the position, the third hook member is connected to the locking rod at the position, and the third hook member is pivotally fixed to the upper part of the support plate so as to be tiltable by a pivoting pin with the locking claw upward, and closer to the mounting plate than the pivoting pin. At a position, the fourth hook member is connected to the locking rod at a position, is opposed to the third hook member, and is pivotally fixed to the upper portion of the support plate so as to be tiltable by a pivot pin with the locking claw facing downward, It is connected to the locking rod at a position closer to the locking claw than the pivot pin, and the locking claws engage with the upper and lower receiving metal fittings attached to the body frame from above and below to lock the front frame to the body frame. It may be characterized in that (Claim 3).

According to this, when the front frame to which the locking device is attached is rotated about the hinge as a fulcrum, the lower claw of the first hook member is attached to the lower fitting attached to the main frame from below. The locking claws of the second hook member are engaged from above, and the locking claws of the third hook member are fitted from above to the receiving metal fittings attached to the main body frame, and the locking claws of the fourth hook member are fitted from above or below. It is engaged and locked. In the locked state, the free end side of the front frame is forcibly lifted and the hinge is twisted to engage the engaging claw of the second hook portion with the lower receiving metal fitting and the engaging claw of the fourth hook member with the upper portion. Even if the engaging hook of the first hook member is disengaged, the engaging claw of the first hook member and the lower receiving bracket and the engaging hook of the third hook member and the upper receiving bracket are kept engaged. The first hook member tilts downward about its pivot pin, and the fourth hook member tilts downward about its pivot pin, so that engagement cannot be easily disengaged. Therefore, an illegal operation or the like is not performed on the gaming machine.

Further, in the locking device for a gaming machine according to a third aspect of the present invention, a lower projecting portion which is formed by a lower projecting piece and an upper projecting piece and which receives the lower receiving metal piece is formed on the upper side of the supporting plate at the lower side of the supporting plate. It is preferable that an upper projecting portion which is formed by the lower projecting piece and the upper projecting piece and receives the upper receiving metal piece is provided (claim 4).

According to this, when the front frame to which the locking device is attached is rotated around the hinge as the fulcrum, the upper and lower receiving fittings attached to the main body frame are provided with upper and lower protrusions of the locking device. Each piece will be guided by riding.
Therefore, at the time of locking, the free frame side of the front frame can be set to an appropriate position by rotating the front frame to which the locking device is attached by using the hinge as a fulcrum, and the lower bracket attached to the main body frame can be set. , The engaging claw of the first hook member engages from below and the engaging claw of the second hook member engages from above, and receives the lower receiving metal fitting between the upper projecting piece and the lower projecting piece of the lower projecting portion. In this state, the locking claw of the third hook member engages with the upper receiving metal fitting attached to the main body frame from below, and the locking claw of the fourth hook member engages with the locking hook of the fourth hook member from above. Accurate and reliable locking is achieved by setting the upper receiving metal fitting between the one piece and the lower projecting piece. In the locked state, even if the free end side of the front frame is forcibly lifted, the receiving metal fitting is received between the upper projecting piece and the lower projecting piece of the overhanging part. Lifting is stopped. Therefore, it is impossible to perform an illegal operation on the gaming machine. It should be noted that the lower projecting piece and the upper projecting piece of the lower overhanging portion and the upper overhanging portion may have a shape in which the corners facing each other at the tip end are rounded off so that the distance between them widens. It is preferable because the upper protrusion of the overhanging portion is easily guided by the receiving metal fitting. Further, the lower protrusion and the upper protrusion of the lower protruding portion are respectively the first hook member and the second hook member, and the lower protrusion and the upper protrusion of the upper protruding portion are the third hook member and the fourth hook member, respectively. With such a structure, if the wire rod such as a piano wire having a hook portion is inserted through the gap between the front frame and the main body frame and the wire rod is pulled for the purpose of improper purpose, the hook portion of the wire rod is It is impossible to engage only with any one of the hook member, the second hook member, the third hook member, or the fourth hook member, and the lower protrusion and the lower protrusion of the lower protrusion are impossible. Upper protruding piece, lower protruding piece of the upper protruding portion, or
This is preferable because it engages with the upper projecting piece of the upper projecting portion, and it is possible to prevent an illegal operation using such a wire rod.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in more detail with reference to the drawings. Of course, the present invention is not limited to the following embodiments.

<First Embodiment> FIG. 1 is a front view showing an embodiment of a locking device for a gaming machine according to the present invention, FIG. 2 is a left side view of the same, FIG. 3 is a right side view of the same, and FIG. 4 is a rear view of the same. 5 shows a partially enlarged exploded perspective view of the locking device. The locking device is shown here as being used in a pachi-slot machine. As shown in the figure, in the locking device (1), the locking rod (2) is locked inside the base frame (3) along the support plate (4) of the base frame (3). It is slidably disposed between the lock position and the unlock position. The base frame body (3) is formed by bending a metal plate material having a predetermined shape, and is supported by one side edge (right side edge in FIG. 4) in the longitudinal direction of the vertically long mounting plate (5). Support plate (4) divided into plate (6), intermediate support plate (7) and lower support plate (8)
Is formed so as to stand perpendicular to the mounting plate (5),
From the other side edge (left side edge in FIG. 4) in the longitudinal direction of the mounting plate (5), a straight and narrow reinforcing piece (9) extending from the upper end to the lower end is the same as the support plate (4) on the mounting plate (5). It is formed so as to stand vertically to the side. The mounting plate (5) has the same width in the upper portion and the lower portion, and the wide portion (5
a). Therefore, the upper support plate (6), the intermediate support plate (7) and the lower support plate (8) are parallel to each other, and these support plates (6), (7), (8) and the reinforcing piece are It is parallel to (9). The attachment plate (5) is provided with a set screw insertion hole (11) so that the locking device (1) can be attached to the back surface of the body frame of the pachi-slot machine. A lock attachment hole (12) is formed in the wide portion (5a) of the attachment plate (5) corresponding to the intermediate support plate (7), and the cylinder lock (13) is inserted into this lock attachment hole (12). ,
Screwed with screws (17) and (17) in a state where the screw holes (not shown) of the flange portion (14) and the screw holes (16) and (16) of the mounting plate (5) are aligned with each other. ing. The lock shaft (not shown) of the cylinder lock (13) is used to move the locking rod (2) from the locking position to the unlocking position, and to move the operating rod (19) from the non-operating position to the operating position. A cam plate (20) is attached.

The mounting plate (5) is an intermediate support plate (7).
A protruding portion (21) protruding in the width direction (outside) of the mounting plate (5) is formed between the lower support plate (8) and the lower support plate (8). The overhanging portion (21) has a non-contact switch (2) such as a photoelectric switch used for resetting the pachi-slot machine.
2) is screwed.

The support plate (4) has a retaining head (23
A substantially T-shaped punching upright piece (23) having a neck portion (23b) connected to a) is formed, and the uprighting piece (23) is bent at the base end portion of the neck portion (23b) to support plate (4). To the inside of the base frame (3) (in FIG. 4, the left side of the support plate).

The locking rod (2) is made of a metal plate material which is slightly shorter than the length of the support plate (4) in the longitudinal direction, and includes an upper support plate (6), an intermediate support plate (7) and a lower support plate. The intermediate portion is bent toward the intermediate support plate (7) side so as to be movable along (8) to form a step portion (24) of a predetermined length.

The lock rod (2) has an insertion portion (2) through which the head (23a) of the upright piece (23) can be inserted.
6a) and a guide (26b) guided by the neck (23b)
A substantially T-shaped guide hole (26) is formed.
Align the locking rod (2) with the support plate (4) so that the head portion (23a) of the standing piece can be inserted into the insertion portion (26a) of the guide hole, and insert the head portion (23a) into the insertion portion (26a). Then, the guide portion (26b) is moved to the neck portion (23
By setting so that the locking rod (2) is moved by being guided by b), the locking rod (2) is pulled out by the head (23a),
Lifting is prevented and the guide (2) is attached to the neck (23b).
6b) will be guided and can move up and down.

At the lower part of the lower support plate (8), a first hook member (27) with the locking claw (27a) facing upward is provided at a position near the rear edge (8a) of the pivot pin (28). ) And is pivotally supported by a pivot pin (2).
The lower end of the locking rod (2) is connected to the lower end of the locking rod (2) by a connecting pin (29) at the base closer to the mounting plate (5) than the mounting plate (5). The first hook member (27) has an inclined side extending from the locking claw (27a) toward the tip. Opposed to the first hook member (27), the locking claw (30) is located at a predetermined upper position from the lower end of the locking rod (2).
The 1st hook part (30) which faced a) is formed integrally. The first hook portion (30) has an inclined side extending from the locking claw (30a) toward the tip.

On the upper part of the upper support plate (6), a second hook member (31) having a locking claw (31a) directed upward is provided at a position near the rear edge (6a) of the pivot pin (32). ) And is pivotally supported by a pivot pin (3
It is connected to the upper part of the locking rod (2) by a connecting pin (33) at a base portion closer to the mounting plate (5) than 2). The second hook member (31) has an inclined side extending from the locking claw (31a) toward the tip. A second hook part (34) having a locking claw (34a) directed downward is integrally formed at the tip of the locking rod (2) at a position above the second hook member (31) at a predetermined position. Has been formed. The second hook portion (34) has an inclined side extending from the locking claw (34a) toward the tip.

Therefore, when the locking rod (2) is slid upward, the first hook member (27) and the second hook member (31) are moved around the pivot pins (28) and (32) as shown in FIG. In, the first hook portion (30) and the second hook portion (34) are tilted downward and move upward.

The bending depth for forming the step (24) of the locking rod (2) is such that the locking rod (2) and the intermediate support plate (7), and the locking rod (2) and the lower support plate ( Between 8), it is set so as to form an insertion space into which the operating rod (19) is inserted. As will be described later, the operating rod (19) is inserted into the insertion space and can be moved between the non-operating position and the operating position.

The longitudinal rear edge (6) of the upper support plate (6)
A stopper piece (36) is formed in a), and a notch (37) for receiving the stopper piece (36) is formed in the upper rear edge (2a) of the locking rod (2).
The stopper piece (36) is bent toward the inside of the base frame (3) at a right angle to the support plate (4) and is received in the notch (37), and the upper end of the stopper piece (36) is cut out (3).
7) Locking position where it abuts the upper side and stopper piece (3
At the unlocked position where the lower end of 6) abuts the lower side of the notch (37), the locking rod (2) stops so that it can move between them.

Here, after the stopper piece (36) is bent and received in the notch (37) of the locking rod (2), the upper end of the stopper piece (36) is notched (3).
7) In the locking position where it abuts the upper side of the guide part (2
The upper side of 6b) is located near the standing piece (23),
At the unlocked position where the lower end of the stopper piece (36) is in contact with the lower side of the cutout (37), the upright piece (23) does not reach the insertion portion (26a) of the guide hole (26), and the guide portion ( The stopper piece (36), the notch (37), the standing piece (23) and the guide portion (26b) are set so as to be located at 26b), and the locking rod (2) moves from the locking position to the unlocking position. Even if the lock rod (2) is inserted through the guide hole (26
The upright piece (23) is not located in a), and the locking rod (2) does not come off from the upright piece (23).

A spring retaining pawl (3) is provided on the upper portion of the locking rod (2).
8) is provided, one end of a tension spring (39) is hooked on the spring hooking claw (38), and the other end is hooked on a spring hooking claw (40) provided on the mounting plate (5). Stopped and locked rod (2)
Is urged downward. Therefore, the locking rod (2) is always stopped by the urging force of the tension spring (39) at the locking position where the upper side of the notch (37) of the locking rod (2) abuts the upper end of the stopper piece (36). There is.

At the lower part of the locking rod (2), the operating rod (1
A vertically long escape hole (42) is formed to allow movement of the spring retaining piece (41) provided in 9).

The step (24) of the locking rod (2) has an engaging hole (4) for engaging with the first protrusion (20a) of the cam plate (20).
3) is bored, and the cam plate (20) is moved counterclockwise in FIG. 4 by the operation of the cylinder lock (13) (the rotation direction of the cam plate will be described based on FIG. 4). When the cam plate (20) is turned to, the first projection (20a) of the cam plate (20) engages with the upper side of the engagement hole (43), and the locking rod (2) resists the urging force of the tension spring (39). , Can be moved upward from the locked position to the unlocked position.

The operating rod (19) is formed by bending a metal plate into a stepped shape, and the head (23a) of the standing piece (23) provided on the intermediate support plate (7) is inserted into the upper part of the operating rod (19). And a first T-shaped guide hole (20a) of the cam plate (20) and a substantially T-shaped guide hole portion (44a) having a guide portion guided by a neck portion (23b). Escape hole (44
A crank-shaped compound hole (44) connected to b) is formed. In the operating rod (19), the lower side of the guide hole portion (44a) of the compound hole (44) has the neck portion (23b) of the standing piece (23).
The operating rod (19) stops at the non-operating position where the operating rod (19a) comes into contact with the operating rod (19a) and the operating position where the upper side of the guide hole (44a) comes into contact with the neck portion (23b) of the upright piece (23), and the operating rod (19) is stopped between them. )
It is possible to move.

A light-shielding piece (46) for actuating the non-contact switch (22) is bent outward at the middle of the rear edge (19a) of the operating rod (19), and a spring is provided at the bottom. The hooking piece (41) is bent and formed inward. The spring retaining piece (41) protrudes inside the base frame (3) through the escape hole (42) of the locking rod (2),
One end of a tension spring (47) is hooked on the tip of the spring hooking piece (41), and the other end is hooked on a spring hooking claw (48) provided on the mounting plate (5), and an operating rod (19 ) Is urged upward. Therefore, the actuating rod (19) is urged by the urging force of the tension spring (47) so that the lower side of the guide hole portion (44a) of the compound hole (44) is attached to the upright piece (23) provided on the intermediate support plate (7). It is always stopped in the non-operating position where it abuts on the neck portion (23b).

The step (24) of the locking rod (2) is provided with an escape hole (49) for allowing the second projection (20b) of the cam plate (20) to pass therethrough, and the cylinder lock (13). ) Is operated to rotate the cam plate (20) clockwise, the second protrusion (20b) passes, and the second protrusion (20b) abuts the upper side (19b) of the operating rod (19), Operating rod (19)
Is moved downward against the biasing force of the tension spring (47).
The intermediate support plate (7) passes the first protrusion (20a) when the cam plate (20) rotates counterclockwise,
Further, an escape hole (50) for allowing the second protrusion (20b) to pass therethrough when the cam plate (20) is rotated clockwise is formed.

Further, the rear edge of the upper support plate (6), the rear edge of the intermediate support plate (7), and the rear edge of the lower support plate (8) are bent pieces of appropriate length toward the inside ( 51) is formed. The bending piece (51) has a function of guiding the locking rod (2), and when the locking device (1) is attached to the front frame of the pachi-slot machine and is locked to the receiving bracket of the main frame as described later, When a force forcibly opening the front frame is applied to the front, the longitudinal rear edge (2a) of the locking rod (2) comes into contact with the bending piece (51), so that the supporting plate (4) The neck portion (23b) of the standing piece (23) projecting from the upper part serves as a stopper that prevents the standing piece (23) from being damaged by applying no direct force, and is used for crime prevention. Is valid, but
The folding piece (51) is not always required.

The locking device (1) having such a structure is shown in FIG.
As shown in, the front surface of the mounting plate (5) is applied to the back surface of the front frame (55) of the pachi-slot machine, and the mounting plate (5) is attached with screws using the set screw insertion hole (11) for use. To do. On the body frame (52), a lower hook (53) is provided at a position corresponding to the first hook member (27) and the first hook portion (30) of the locking device (1), and the second hook member (31). , The second hook (3
An upper receiving fitting (54) is provided at a position corresponding to 4). The lower metal fitting (53) and the upper metal fitting (54) may be separate bodies or may be integrated by a connecting member.

In order to lock the front frame (55), the front frame is rotated around the hinge as a fulcrum. First, the first hook member (27) is attached to the lower side of the lower receiving metal fitting (53) attached to the body frame. ), The inclined side of the first hook portion (30) is on the upper side of the lower receiving metal fitting (53), and the inclined side of the upper hook is (54).
The inclined side of the second hook member (31) abuts on the lower side of the second hook member (31) and the inclined side of the second hook portion (34) abuts on the upper side of the upper metal fitting (54), so that the first hook member (27) and the second hook member The member (31) tilts downward about the pivot pins (28) and (32), respectively, and moves upward with the locking rod (2) to move the first hook (3).
0) and the second hook portion (34) move upward. When the front frame (55) is further rotated, the lower claw (27a) of the first hook member (27) moves the lower side of the lower receiving metal fitting (53) to the upper side of the lower receiving metal fitting (53) to the first side. The locking claw (30a) of the hook portion (30) is on the lower side of the upper receiving metal fitting (54), and the locking claw (31a) of the second hook member (31) is on the upper side of the upper receiving metal fitting (54). Locking claw (34a) of the second hook (34)
When the vehicle gets over, the locking rod (2) returns to the lower locking position by the restoring force of the tension spring (39), and the lower receiving bracket (5
3) The locking claw (27a) of the first hook member (27) and the locking claw (30a) of the first hook portion (30) are attached to the upper fitting (5).
4) The engaging claw (31a) of the second hook member (31) and the engaging claw (34a) of the second hook portion (34) are engaged with each other, and the front frame (5)
5) will be closed and the body frame (52) will be locked.

In the locked state, the front frame (5
Forcibly lifting the free end side of 5) and twisting the hinge, the engaging claw (30a) of the first hook portion (30) and the lower fitting (5).
3) and the engaging hook (3) of the second hook (34).
4a) and the upper receiving fitting (54) are disengaged from each other, the first hook member (27) still has its engaging claws (2).
7a) and the lower receiving metal fitting (53) are engaged with each other, and the second hook member (31) keeps the engaging claw (31a) and the upper receiving metal fitting (54) engaged with each other. Support pin (2
8) and (32) are tilted downward, and the engagement does not easily come off. Therefore, an illegal operation or the like is not performed on the gaming machine.

To unlock the front frame (55), a key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the counterclockwise direction, so that the first protrusion (20a) of the cam plate (20) is released.
Engages with the engagement hole (43), resists the biasing force of the tension spring (39), and the locking rod (2) moves to the upper unlocked position. With the upward movement of the locking rod (2), the first hook (3
0) and the second hook portion (34) move upward, and the locking rod (2)
The first hook member (27) and the second hook member (31), which are connected to each other by the connecting pins (29) and (33), are tilted downward about the respective pivot pins (28) and (32). , Between the locking claw (27a) of the first hook member (27) and the locking claw (30a) of the first hook portion (30), and the locking claw (31a) of the second hook member (31). And the engaging claw (34a) of the second hook portion (34) are located below the receiving metal fitting (5
3) and the upper fitting (54) are disengaged and unlocked, and the front frame (55) is rotated in the opposite direction from the time of locking with the hinge as a fulcrum. Open up.

When the key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the clockwise direction, the second protrusion (20b) of the cam plate (20) passes through the escape hole (49) and the operating rod ( 19) Abutting on the upper side (19b), the operating rod (19)
Is moved downward against the biasing force of the tension spring (47).
As a result, in the operating rod (19), the lower side of the guide hole portion (44a) of the compound hole (44) has the neck portion (23b) of the standing piece (23).
From the non-operating position where it abuts against the upper end of the guide hole (44a) to the operating position where it abuts against the neck (23b) of the upright piece (23), and is not contacted by the light-shielding piece (46) of the operating rod (19). The switch (22) is activated and a reset is performed. By releasing the operation of the cylinder lock (13), the operating rod (19) is returned to the non-operating position by the urging force of the tension spring (47).

<Second Embodiment> FIGS. 7 and 8 show a locking device according to another embodiment. FIG. 7 is a partially enlarged perspective view and FIG. 8 is a right side view showing a state of being attached to a pachi-slot machine.
With this locking device (61), locking is easy and reliable,
After locking, the support plate is provided with means for restricting upward lifting of the free end side of the front frame (55).
A lower projecting portion (62) having a notch recess formed in the lower supporting plate (8) for receiving the lower receiving member (53) receives the upper receiving member (54) in the upper supporting plate (6). An upper projecting portion (63) having a cut recess is provided.

The lower overhanging portion (62) is formed with a notch recess, and is formed into a bifurcated lower projecting piece (62a) and upper projecting piece (62).
b) has a protruding shape, and the lower protruding piece (62a)
Faces the first hook member (27), and the upper protruding piece (62
b) faces the first hook portion (30). Lower protrusion (6
The distance between 2a) and the upper protruding piece (62b) is set to be slightly larger than the width of the lower receiving metal fitting (53), and the tips of the lower protruding piece (62a) and the upper protruding piece (62b) face each other. The corners are tapered so that the distance between them increases.

The upper projecting portion (63) is formed with a notch concave portion, and has a bifurcated lower projecting piece (63a) and an upper projecting piece (63).
b) has a protruding shape, and the lower protrusion (63a)
Faces the second hook member (31), and the upper protrusion (63
b) faces the second hook (34). Lower protrusion (6
3a) and the upper projecting piece (63b) are set to be slightly larger than the width of the upper receiving metal piece (54), and the tips of the lower projecting piece (63a) and the upper projecting piece (63b) face each other. The corners are tapered so that the distance between them increases. Since other configurations are similar to those of the locking device according to the first embodiment, the same numbers are given to the same configurations and the description thereof is omitted.

In the locking device (61) having such a structure, as shown in FIG. 8, the surface of the mounting plate (5) is brought into contact with the back surface of the front frame (55) of the pachi-slot machine, and the mounting plate (5) is attached. Using the set screw insertion hole (11), it is attached with a screw and used. On the body frame (52), a lower hook (53) is provided at a position corresponding to the first hook member (27) and the first hook portion (30) of the locking device (61), and the second hook member (31). An upper receiving fitting (54) is provided at a position corresponding to the second hook portion (34).

In order to lock the front frame (55), the front frame is rotated around the hinge as a fulcrum. First, the first hook member (27) is attached to the lower side of the lower receiving metal fitting (53) attached to the body frame. ), The inclined side of the first hook portion (30) is on the upper side of the lower receiving metal fitting (53), and the inclined side of the upper hook is (54).
The inclined side of the second hook member (31) abuts on the lower side of the second hook member (31) and the inclined side of the second hook portion (34) abuts on the upper side of the upper metal fitting (54), so that the first hook member (27) and the second hook member The member (31) tilts downward about the pivot pins (28) and (32), respectively, and moves upward with the locking rod (2) to move the first hook (3).
0) and the second hook portion (34) move upward. Then, when the free end side of the front frame (55) is lowered due to the weight of various parts mounted on the front frame (55), the lower side of the upper projecting piece (62b) of the lower overhang portion (62) is downward. The upper side of the receiving metal fitting (53) and the upper protruding piece (6) of the upper protruding portion (63).
The lower side of 3b) contacts the upper side of the upper receiving metal fitting (54), the free end side of the front frame (55) is lifted to an appropriate position for locking, and the front frame (55) is further rotated. , The engaging claw (27a) of the first hook member (27) is provided on the lower side of the lower receiving metal fitting (53).
3) The upper side of the hook claw (30a) of the first hook (30) is
The lower claw (31a) of the second hook member (31) is on the lower side of the upper catch (54), and the claw (34a) of the second hook (34) is on the upper side of the upper catch (54). Overcoming,
The locking rod (2) is returned to the lower locking position by the restoring force of the tension spring (39), and the lower receiving fitting (53) has the locking claw (27a) of the first hook member (27) and the first hook portion ( The locking claw (30a) of the second hook member (31) and the locking claw (34a) of the second hook portion (34) are engaged with the upper receiving metal fitting (54). Then, the front frame (55) is closed and the main frame (52) is locked. That is, when locking, the upper projecting piece (62b) of the lower projecting portion (62) is in the lower receiving metal piece (53), and the upper projecting piece (63b of the upper projecting portion (63) is in the upper receiving metal piece (54). ) Rides on the locking device (6
Since 1) is guided, it is possible to easily and surely lock.

A lower receiving metal piece (53) is provided between the lower projecting piece (62a) and the upper projecting piece (62b) of the lower projecting portion (62) and the lower projecting piece of the upper projecting portion (63). (63
Between the a) and the upper protruding piece (63b), the upper receiving metal fitting (5
Since 4) is received, even if the free end side of the front frame (55) is forcibly lifted in the locked state, the upper side of the lower projecting piece (62a) of the lower overhanging portion (62) is in the lower receiving position. On the lower side of the metal fitting (53), the upper protrusion (63)
Of the lower protruding piece (63a) of which the upper side is the upper fitting (54)
The lower edge of the front frame (55) is abutted, and the upward movement of the front frame (55) is stopped. Therefore, an illegal operation or the like is not performed on the gaming machine.

To unlock the front frame (55), a key is inserted into the cylinder lock (13) and the cam plate (20) is operated counterclockwise, whereby the first protrusion (20a) of the cam plate (20) is released.
Engages with the engagement hole (43), resists the biasing force of the tension spring (39), and the locking rod (2) moves to the upper unlocked position. With the upward movement of the locking rod (2), the first hook (3
0) and the second hook portion (34) move upward, and the locking rod (2)
The first hook member (27) and the second hook member (31), which are connected to each other by the connecting pins (29) and (33), are tilted downward about the respective pivot pins (28) and (32). , Between the locking claw (27a) of the first hook member (27) and the locking claw (30a) of the first hook portion (30), and the locking claw (31a) of the second hook member (31). And the engaging claw (34a) of the second hook portion (34) are located below the receiving metal fitting (5
3) and the upper bracket (54) is disengaged, the space is released, and the front frame (55) starts to rotate in the direction opposite to the locking direction with the hinge as the fulcrum. The upper projecting piece (62b) of the lower projecting portion (62) rides on the lower receiving metal fitting (53), and the upper projecting piece (63b) of the upper projecting portion (63) rides on the upper receiving metal fitting (54). The locking device (61) is guided, and after that, the lower fitting (5
3), the upper protrusion (62b) of the lower protrusion (62) is
The upper projecting piece (63b) of the upper protruding portion (63) is disengaged from the upper receiving fitting (54), and the front frame (55) can be opened. The operation and the like of the operating rod (19) when the key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the clockwise direction are the same as those in the first embodiment, and detailed description thereof will be omitted.

In FIGS. 7 and 8, the downward protrusion (6
2) The lower projecting piece (62a) and the upper projecting piece (62b) are formed such that the facing corners of the tips are tapered to widen the distance, but the invention is not limited to this. Without the metal fittings (5
3) so that it can be easily and surely received between the lower protruding piece (62a) and the upper protruding piece (62b), and the lower side of the upper protruding piece (62b) is a lower receiving member when locking or unlocking. The front frame (5
5) Any shape may be used as long as it can easily and reliably guide, for example, the lower protruding piece (62a).
The opposite corners of the tip of the upper protrusion (62b) may have a shape in which they are rounded off in an arc shape so as to widen the interval. In addition, the downward protrusion (6
The lower protruding piece (62a) and the upper protruding piece (62b) of 2) have a shorter protruding length than the first hook member (27) and the first hook portion (30), but are not limited to this. Instead, it may project longer than the first hook member (27) and the first hook portion (30). Similarly, the lower protrusion (63) of the upper protrusion (63) is
The corners of the a) and the tips of the upper protrusions (63b) that face each other are tapered to widen the distance, but the shape is not limited to this, and the upper receiving portion when locking is used. Attach the metal fitting (54) to the lower protrusion (63
a) and the upper protruding piece (63b) so that they can be easily and surely received, and the lower side of the upper protruding piece (63b) is above the receiving metal fitting (54) when locking or unlocking.
The shape may be such that the front frame (55) can be easily and surely guided by contacting the upper side of the upper frame. For example, the lower projecting piece (63a) and the upper projecting piece (63b).
The corners facing each other at the tip may have a shape that is rounded off in an arc shape so as to widen the intervals. In addition, the lower protruding piece (63) of the upper protruding portion (63) is
a) and the upper protrusion (63b) are both the second hook member (3
1), the protruding length is shorter than that of the second hook portion (34), but the present invention is not limited to this, and the protruding length may be longer than that of the second hook member (31) and the second hook portion (34). . Further, the lower protruding piece (62a) and the upper protruding piece (62b) of the lower protruding portion are the first hook member (27), the first hook portion (30), and the lower protruding piece (63a) of the upper protruding portion, respectively. If the upper protruding piece (63b) and the second hook member (31) and the second hook portion (34) are in close contact with each other, a wire rod such as a piano wire having a hook portion for the purpose of fraudulent use Even when the wire rod is pulled by inserting it through the gap between the frame and the main body frame, the hook portion of the wire rod is not attached to the first hook member (2
7), the first hook portion (30), the second hook member (31), or the second hook portion (34), it is impossible to engage with only one of them, and the downward protruding portion is formed. Downward projection (62
a), the upper protrusion (62b) of the lower protrusion, the lower protrusion (63a) of the upper protrusion, or the upper protrusion (63b) of the upper protrusion. It is preferable because it is possible to prevent an illegal operation using a different wire rod.

<Third Embodiment> FIGS. 9 and 10 show a locking device according to still another embodiment. FIG. 9 is a partially enlarged exploded perspective view,
FIG. 10 is a right side view showing a state in which it is attached to the pachi-slot machine. In this locking device (71), a pair of hook members that can tilt in opposite directions as the locking rod (2) slides are provided on the upper and lower portions of the support plate, respectively.

Specifically, the lower part of the lower support plate (8) has a locking claw (7) at a position near the rear edge (8a).
2a) is upwardly supported by a first hook member (72) or a pivot pin (73) so as to be tiltable, and at a base portion closer to the mounting plate (5) than the pivot pin (73). It is connected to the lower end of the locking rod (2) by a connecting pin (74). The first hook member (72) has an inclined side extending from the locking claw (72a) toward the tip. Further, at a position above the first hook member (72) below the lower support plate (8) at a predetermined position, facing the first hook member (72), the locking claw (75
The second hook member (75) with a) directed downward is pivotally supported by the pivot pin (76) at the base portion near the attachment plate (5) and is tilted from the pivot pin (76). Is also connected by a connecting pin (77) below the locking rod (2) at a position near the locking claw (75a). The second hook member (75) has an inclined side extending from the locking claw (75a) toward the tip.

On the upper part of the upper support plate (6), at a position near the rear edge (6a), a third hook member (78) with the locking claw (78a) facing upward is provided with a pivot pin (79). ) And is pivotally supported by a pivot pin (7).
It is connected to the upper part of the locking rod (2) by a connecting pin (80) at the base portion closer to the mounting plate (5) than the attachment plate (9). The third hook member (78) has an inclined side extending from the locking claw (78a) toward the tip. Furthermore, the upper support plate (6)
A fourth hook member (81) facing the third hook member (78) and having a locking claw (81a) facing downward, at a predetermined upper position of the third hook member (78) above The locking rod (2) is pivotally supported by a pivot pin (82) at a base portion near the mounting plate (5) and tiltable at a position closer to the locking claw (81a) than the pivot pin (82). Are connected by a connecting pin (83) at the upper end of the. The fourth hook member (81) has an inclined side extending from the locking claw (81a) toward the tip.

Therefore, when the locking rod (2) is slid upward, the first hook member (72) and the third hook member (78) are centered on the pivot pins (73) and (79) in FIG. And then tilts downward to provide a second hook member (75) and a fourth hook member (81).
Tilts upward about the pivot pins (76) and (82). Therefore, the locking claw (72a) of the first hook member (72)
And the locking claw (75a) of the second hook member (75) tilt in directions away from each other, and the locking claw (78) of the third hook member (78).
a) and the locking claw (81a) of the fourth hook member (81) are tilted in directions away from each other.

In the locking device (71) having such a structure, as shown in FIG. 10, the surface of the mounting plate (5) is brought into contact with the back surface of the front frame (55) of the pachi-slot machine, and the mounting plate (5) is attached. Using the set screw insertion hole (11), it is attached with a screw and used. On the body frame (52), a lower receiving metal fitting (53) is provided at a position corresponding to the first hook member (72) and the second hook member (75) of the locking device (71), and the third hook member (78). , The upper fitting (54) at a position corresponding to the fourth hook member (81)
Is provided.

To lock the front frame (55), the front frame is rotated around the hinge as a fulcrum. First, the first hook member (72) is attached to the lower side of the lower receiving metal fitting (53) attached to the body frame. ), The inclined side of the second hook member (75) is on the upper side of the lower receiving metal fitting (53), and the inclined side of the upper receiving metal (5) is.
4) The lower side of the third hook member (78) is in contact with the upper side of the upper metal fitting (54) and the upper side of the fourth hook member (81) is in contact with the inclined side of the lock member (2). Then, the first hook member (7
2) and the third hook member (78) are respectively provided with pivot pins (7
3) and (79) are tilted downward, and the second hook member (7
5) and the fourth hook member (81) are respectively provided with pivot pins (7).
6) and (82) are tilted upward, and the first hook member (7
The locking claw (72a) of 2) and the locking claw (75a) of the second hook member (75) are tilted away from each other, and the locking claw (78a) of the third hook member (78) and the fourth The locking claw (81a) of the hook member (81) tilts in a direction away from each other. When the front frame (55) is further rotated, the lower bracket (5
3) Locking claw (72a) of the first hook member (72) on the lower side
However, the upper side of the lower receiving metal fitting (53) is connected to the second hook member (7
The locking claw (75a) of 5) has a lower side of the upper receiving metal fitting (54), and the locking claw (78a) of the third hook member (78) has a fourth side of the upper side of the upper receiving metal (54). When the locking claw (81a) of the member (81) gets over, the locking rod (2) returns to the lower locking position due to the restoring force of the tension spring (39), and the first hook member ( 72) locking claw (72
a) and the locking claws (75a) of the second hook member (75), the locking claws (7) of the third hook member (78) are attached to the upper fitting (54).
8a) and the locking claw (81a) of the fourth hook member (81) are engaged, the front frame (55) is closed, and the main frame (52) is locked.

In the locked state, the front frame (5
Forcibly lifting the free end side of 5) and twisting the hinge, the engaging claw (75a) of the second hook member (75) and the lower receiving bracket (5).
3) and the engagement hook (81a) of the fourth hook member (81) and the upper receiving metal fitting (54) are disengaged from each other, the first hook member (72). Engages the engagement claw (72a) with the lower receiving metal fitting (53) by the third
The hook member (78) maintains the engagement between the engaging claw (78a) and the upper receiving metal fitting (54), respectively, and the pivot pin (7).
3) and (79) are tilted downward, and the engagement does not easily come off. Therefore, an illegal operation or the like is not performed on the gaming machine.

To unlock the front frame (55), a key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the counterclockwise direction, so that the first protrusion (20a) of the cam plate (20).
Engages with the engagement hole (43), resists the biasing force of the tension spring (39), and the locking rod (2) moves to the upper unlocked position. With the upward movement of the locking rod (2), the locking rod (2) and the connecting pins (74), (77), (80), (8)
3) the first hook member (72) and the third hook member (78) connected to each other respectively have pivot pins (73),
The second hook member (75) and the fourth hook member (81) are respectively pivoting pins (76) and (82) downwardly around the (79).
Tilting upward about the center, between the locking claw (72a) of the first hook member (72) and the locking claw (75a) of the second hook member (75), and the third hook member (78). Locking claw (78a)
The lower metal fitting (53) and the upper metal fitting (5) between the locking claw (81a) of the fourth hook member (81) and the fourth metal member (81), respectively.
4) When the interval with which the engagement with is released, it is unlocked,
The front frame (55) is rotated about the hinge as a fulcrum in the direction opposite to the locking direction to open the front frame (55). The operation and the like of the operating rod (19) when the key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the clockwise direction are the same as those in the first embodiment, and detailed description thereof will be omitted.

<Fourth Embodiment> FIGS. 11 and 12 show a locking device according to still another embodiment. FIG. 11 is a partially enlarged exploded perspective view, and FIG. 12 is a right side view showing a state of being attached to a pachi-slot machine. In this locking device (91), a pair of hook members that can tilt in mutually opposite directions as the locking rod (2) slides are provided on the upper and lower portions of the support plate, respectively, and the locking is easy and reliable, and the locking device is secure. After the front frame (55)
The support plate is provided with a means for restricting upward lifting of the free end side of the.

Since the locking device of this aspect is the same as that of the third embodiment except that the above means is provided on the support plate, the same components as those of the third embodiment will be designated by the same reference numerals. Description is omitted. And, as the means,
Specifically, the lower support plate (8) is attached to the lower bracket (5
3), a downward protrusion (6) formed with a notch recess.
2) has an upper support plate (6) and an upper receiving metal fitting (54)
Overhanging portion (63) having a notch recess for receiving
Is provided.

The downward projecting portion (62) is formed with a notch concave portion, and has a bifurcated lower projecting piece (62a) and an upper projecting piece (62).
b) has a protruding shape, and the lower protruding piece (62a)
Faces the first hook member (72), and the upper protrusion (62
b) faces the second hook member (75). The interval between the lower protruding piece (62a) and the upper protruding piece (62b) is set to be slightly larger than the width of the lower receiving metal piece (53), and the tips of the lower protruding piece (62a) and the upper protruding piece (62b). The corners facing each other are tapered to widen the intervals.

The upper projecting portion (63) is formed with a notch concave portion, and has a bifurcated lower projecting piece (63a) and an upper projecting piece (63).
b) has a protruding shape, and the lower protrusion (63a)
Faces the third hook member (78), and the upper protruding piece (63
b) faces the fourth hook member (81). The interval between the lower protruding piece (63a) and the upper protruding piece (63b) is set to be slightly larger than the width of the upper receiving metal piece (54), and the tips of the lower protruding piece (63a) and the upper protruding piece (63b). The corners facing each other are tapered to widen the intervals.

In the locking device (91) having such a structure, as shown in FIG. 12, the surface of the mounting plate (5) is brought into contact with the back surface of the front frame (55) of the pachi-slot machine, and the mounting plate (5) is attached. Using the set screw insertion hole (11), it is attached with a screw and used. On the body frame (52), a lower receiving metal fitting (53) is provided at a position corresponding to the first hook member (72) and the second hook member (75) of the locking device (91), and the third hook member (78). , The upper fitting (54) at a position corresponding to the fourth hook member (81)
Is provided.

To lock the front frame (55), the front frame is rotated around the hinge as a fulcrum. First, the first hook member (72) is attached to the lower side of the lower receiving metal fitting (53) attached to the main frame. ), The inclined side of the second hook member (75) is on the upper side of the lower receiving metal fitting (53), and the inclined side of the upper receiving metal (5) is.
4) The lower side of the third hook member (78) is in contact with the upper side of the upper metal fitting (54) and the upper side of the fourth hook member (81) is in contact with the inclined side of the lock member (2). Then, the first hook member (7
2) and the third hook member (78) are respectively provided with pivot pins (7
3) and (79) are tilted downward, and the second hook member (7
5) and the fourth hook member (81) are respectively provided with pivot pins (7).
6) and (82) are tilted upward, and the first hook member (7
The locking claw (72a) of 2) and the locking claw (75a) of the second hook member (75) are tilted away from each other, and the locking claw (78a) of the third hook member (78) and the fourth The locking claw (81a) of the hook member (81) tilts in a direction away from each other. Then, when the free end side of the front frame (55) is lowered due to the weight of various parts mounted on the front frame (55), the lower side of the upper projecting piece (62b) of the lower overhang portion (62) is downward. The upper side of the receiving fitting (53) and the lower side of the upper projecting piece (63b) of the upper protruding portion (63) contact the upper side of the upper receiving fitting (54), and the free end side of the front frame (55) is locked. By moving the front frame (55) to a proper position for holding, the locking claw (72a) of the first hook member (72) moves downward on the lower side of the lower receiving fitting (53). Bracket (5
3) The upper side is the locking claw (75a) of the second hook member (75).
However, the lower side of the upper receiving metal fitting (54) is connected to the third hook member (7
When the locking claw (78a) of 8) crosses the upper side of the upper receiving fitting (54) by the locking claw (81a) of the fourth hook member (81), the locking rod (2) causes the tension spring (39). The locking force (72a) of the first hook member (72) and the second hook member (7) are returned to the lower locking position by the restoring force of the first hook member (53).
The locking claw (75a) of 5) is engaged with the locking claw (78a) of the third hook member (78) and the locking claw (81a) of the fourth hook member (81) on the upper fitting (54). Mating, front frame (55)
Is closed and the main frame (52) is locked. That is, when locking, the lower protrusion (6) is attached to the lower receiving fitting (53).
The upper protruding piece (62b) of 2) is the upper receiving fitting (54).
Since the upper projecting piece (63b) of the upper projecting portion (63) rides on and guides the locking device (91), it is possible to easily and reliably lock.

Then, a lower receiving metal piece (53) is provided between the lower projecting piece (62a) and the upper projecting piece (62b) of the lower projecting portion (62) and the lower projecting piece of the upper projecting portion (63). (63
Between the a) and the upper protruding piece (63b), the upper receiving metal fitting (5
Since 4) is received, even if the free end side of the front frame (55) is forcibly lifted in the locked state, the upper side of the lower projecting piece (62a) of the lower overhanging portion (62) is in the lower receiving position. On the lower side of the metal fitting (53), the upper protrusion (63)
Of the lower protruding piece (63a) of which the upper side is the upper fitting (54)
The lower edge of the front frame (55) is abutted, and the upward movement of the front frame (55) is stopped. Therefore, an illegal operation or the like is not performed on the gaming machine.

To unlock the front frame (55), a key is inserted into the cylinder lock (13) and the cam plate (20) is operated in the counterclockwise direction, so that the first protrusion (20a) of the cam plate (20) is released.
Engages with the engagement hole (43), resists the biasing force of the tension spring (39), and the locking rod (2) moves to the upper unlocked position. With the upward movement of the locking rod (2), the locking rod (2) and the connecting pins (74), (77), (80), (8)
3) the first hook member (72) and the third hook member (78) connected to each other respectively have pivot pins (73),
The second hook member (75) and the fourth hook member (81) are respectively pivoting pins (76) and (82) downwardly around the (79).
Tilting upward about the center, between the locking claw (72a) of the first hook member (72) and the locking claw (75a) of the second hook member (75), and the third hook member (78). Locking claw (78a)
And the locking claw (81a) of the fourth hook member (81) reach an interval enough to disengage the lower fitting (53) and the upper fitting (54), respectively, and then unlocked. Then, when the front frame (55) is started to rotate in the direction opposite to the locking direction with the hinge as a fulcrum, initially, the lower receiving bracket (5
3), the upper projecting piece (62b) of the lower projecting portion (62) and the upper projecting piece (63b) of the upper projecting portion (63) ride on the upper receiving metal fitting (54), and the locking device (91) is installed. After being guided, the lower fitting (53) is then extended downward (62).
The upper protruding piece (62b) of the upper protruding portion (63) of the upper protruding portion (63) is disengaged from the upper receiving metal fitting (54), and the front frame (55) can be opened. The cylinder lock (13)
The operation of the operating rod (19) when the key is inserted into the cam plate (20) and the cam plate (20) is operated in the clockwise direction will be described in the first embodiment.
The detailed description is omitted.

In FIG. 11 and FIG. 12, the corners of the lower protrusion (62) facing the lower protrusion (62a) and the upper protrusion (62b) at the tips thereof are tapered so as to widen the interval. Although the shape is rounded off, the shape is not limited to this, and the lower receiving metal fitting (53) can be easily and surely received between the lower protruding piece (62a) and the upper protruding piece (62b) when locking. In order to allow the front frame (55) to be easily and reliably guided, the lower side of the upper projecting piece (62b) abuts the upper side of the lower receiving fitting (53) when locking or unlocking. Any shape that allows the lower protrusion (62
The corners of the a) and the tips of the upper protrusions (62b) facing each other may have an arcuate shape in which the intervals are widened. Further, the lower protrusion (62a) and the upper protrusion (62b) of the lower overhang portion (62).
Are both the first hook member (72) and the second hook member (75).
Although the protruding length is shorter than the above, the present invention is not limited to this, and the protruding length may be longer than the first hook member (72) and the second hook member (75). Similarly, the corners of the lower protrusion (63a) of the upper overhanging portion (63) and the tips of the upper protrusion (63b) that face each other are tapered to widen the distance. However, the present invention is not limited to this, in order to allow the upper receiving metal piece (54) to be easily and surely received between the lower protruding piece (63a) and the upper protruding piece (63b) during locking. When locking or unlocking, the lower side of the upper protruding piece (63b) abuts the upper side of the upper receiving metal fitting (54) so that the front frame (55) can be guided easily and surely. For example, the lower protrusion (63a) and the upper protrusion (6
The opposite corners of the tip end of 3b) may have a shape in which the corners are rounded off so as to widen the intervals. Further, the lower protruding piece (63a) and the upper protruding piece (63b) of the upper overhanging portion (63) each have a shorter protruding length than the third hook member (78) and the fourth hook member (81). However, the present invention is not limited to this, and the protrusion may be longer than the third hook member (78) and the fourth hook member (81). In addition, the lower protrusion (62a) and the upper protrusion (62a)
b) is the first hook member (72) and the second hook member (7), respectively.
5), the lower protruding piece (63a) and the upper protruding piece (63b) of the upper overhanging portion are in close contact with the third hook member (78) and the fourth hook member (81), respectively. Even if a wire rod such as a piano wire having a hook portion is inserted through the gap between the front frame and the main body frame for an illegal purpose and the wire rod is pulled, the hook portion of the wire rod is not attached to the first hook member (72) and the second hook member ( 75), the third hook member (75), or the fourth hook member (81) alone cannot be engaged, and the lower protrusion (62a) of the lower overhang portion, The upper protruding piece (62
b), it engages with the lower protruding piece (63a) of the upper protruding portion or the upper protruding portion (63b) of the upper protruding portion, and it is possible to prevent illicit operation using such a wire rod, which is preferable. . In the above embodiment, the head of the punched upright piece having a substantially T-shape provided on the support plate is inserted into the insertion portion of the substantially T-shaped guide hole formed in the locking rod, and guided by the neck portion of the upright piece. Although the locking rod is slid in the locking device by guiding the portion, the invention is not limited to this, and the locking rod (2) is provided with a long hole (95) as shown in FIG. It may be a sliding structure in which the pin (96) is inserted into the support plate (4) through the elongated hole (95) and the locking rod (2) is guided. Since other configurations are similar to those of the locking device shown in FIGS. 1 to 6, the same configurations are denoted by the same reference numerals and the description thereof will be omitted.

The mounting position of the cylinder lock on the mounting plate is not limited to the middle part of the mounting plate, but may be the lower part or the upper part of the mounting plate. As a cylinder lock,
Includes pin tumbler tablets and disc tumbler tablets.

In FIGS. 1 to 13, the support plate is upward,
Although it is divided into middle and lower support plates, and the protruding portion is provided by extending the wide portion of the mounting plate to the outside from between the middle and lower support plates, the present invention is not limited to this. The support plate may be integrated. For example, the reinforcing piece provided on the base frame is omitted, the wide part of the mounting plate is provided inside (left side), and the non-contact switch is attached to the wide part. The light-shielding piece of the operating rod may be formed so as to be bent inward (left side). In this case, there is only one support plate and the base frame has an L-shaped cross section. In the base frame having such a shape, in order to provide a means for restraining the vertical movement of the locking device, one support plate may be extended further rearward, and a cut recess may be formed therein.

Further, although the movement of the locking rod and the operating rod has been described as using the power transmission mechanism utilizing the rotation of the cam plate, the present invention is not limited to this, and the gear transmission such as a rack and a pinion is used. An appropriate structure such as a mechanism can be adopted.
In the case of a gear transmission mechanism using a rack and a pinion, the lock shaft is provided with a pinion for moving the locking rod and a pinion for moving the operating rod, and the locking rod and the operating rod are provided with a rack that meshes with each pinion. Can be adopted.

Although the locking device is shown as being suitable for a pachi-slot machine, the locking device is not limited to this, and a glass frame unlocking operating rod for a pachinko machine is adopted in place of the actuating rod to provide a locking device for the pachinko machine. It goes without saying that you can also do it.

[0067]

Since the present invention is configured as described in detail above, it has the following effects. According to the locking device for a gaming machine according to claim 1 of the present invention, in the locked state, the free end side of the front frame is forcibly lifted and the hinge is twisted, and the engaging claw of the first hook part and the lower receiving part Even if the engagement with the metal fitting and the engagement claw of the second hook portion and the upper receiving metal fitting are disengaged, the first hook member engages the engagement claw with the lower receiving metal fitting. The second hook member keeps the engagement between the engaging claw and the upper receiving metal member and tilts downward about the pivot pin, so that the engagement does not easily come off. Therefore, there is no fear that an illegal operation or the like is performed on the game machine, and the crime prevention effect can be improved.

According to the locking device of the gaming machine of claim 2 of the present invention, the upper protruding piece of the overhanging portion rides on the receiving metal fitting to guide the locking device at the time of locking or unlocking, so that the locking device can be locked easily or securely. It can be unlocked. Further, even if the free end side of the front frame is forcibly lifted in the locked state, since the receiving metal fitting is received between the upper projecting piece and the lower projecting piece of the projecting portion, the front projecting frame is formed by the lower projecting piece. The lifting of the free end side of the game machine is stopped, and it becomes impossible to operate the game machine illegally, and the crime prevention effect is great. In addition, the structure of the overhanging portion provided on the support plate is simple and robust, so that the manufacturing cost can be reduced, it does not interfere with the attachment of various parts necessary for the game machine, etc. Little damage or failure.

According to the lock device for a gaming machine according to claim 3 of the present invention, in the locked state, the free end side of the front frame is forcibly lifted and the hinge is twisted to engage with the engaging claw of the second hook portion. Even if the engagement between the lower receiving metal fitting and the engagement claw of the fourth hook member and the upper receiving metal fitting are disengaged, the first hook member engages the engagement claw and the lower receiving metal fitting. The third hook member keeps the engagement between the engagement claw and the upper receiving metal member and tilts downward about the pivot pin, so that the engagement does not easily come off. Therefore, there is no fear that an illegal operation or the like is performed on the game machine, and the crime prevention effect can be improved.

According to the locking device for a gaming machine according to claim 4 of the present invention, at the time of locking or unlocking, the upper protruding piece of the overhanging portion rides on the receiving metal fitting and the locking device is guided, so that the locking device can be locked easily or securely. It can be unlocked. Further, even if the free end side of the front frame is forcibly lifted in the locked state, since the receiving metal fitting is received between the upper projecting piece and the lower projecting piece of the projecting portion, the front projecting frame is formed by the lower projecting piece. Since the lifting of the free end side of the game machine is stopped, it becomes impossible to operate the game machine illegally, and the crime prevention effect is great. In addition, the structure of the overhanging portion provided on the support plate is simple and robust, so that the manufacturing cost can be reduced, it does not interfere with the attachment of various parts necessary for the game machine, etc. Little damage or failure.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a locking device of the present invention.

FIG. 2 is a left side view of the locking device shown in FIG.

3 is a right side view of the locking device shown in FIG. 1. FIG.

4 is a rear view of the locking device shown in FIG. 1. FIG.

FIG. 5 is a partially enlarged exploded perspective view of the locking device shown in FIG. 1.

FIG. 6 is an explanatory view illustrating a state in which the locking device shown in FIG. 1 is attached to a pachi-slot machine.

FIG. 7 is a partially enlarged exploded perspective view showing another embodiment of the locking device of the present invention.

8 is a right side view of the locking device shown in FIG. 7, showing a state where the locking device is attached to a pachi-slot machine.

FIG. 9 is a partially enlarged exploded perspective view showing still another embodiment of the locking device of the present invention.

10 is a right side view of the locking device shown in FIG. 9, showing a state where the locking device is attached to a pachi-slot machine.

FIG. 11 is a partially enlarged exploded perspective view showing still another embodiment of the locking device of the present invention.

12 is a right side view of the locking device shown in FIG. 11, showing a state where the locking device is attached to a pachi-slot machine.

FIG. 13 is a partially enlarged exploded perspective view showing still another embodiment of the locking device of the present invention.

[Explanation of symbols]

1 Locking device 2 Locking rod 3 base frame 4 Support plate 5 Mounting plate 13 cylinder lock 19 Working rod 27 First hook member 28, 32 pivot pin 29, 33 connecting pin 30 First hook 31 Second hook member 34 Second hook

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference Japanese Unexamined Patent Publication No. 10-249030 (JP, A) Actually opened 57-29282 (JP, U) Actually opened 50-41687 (JP, U) Actually opened 51- 35492 (JP, U) Actual development Sho 62-97690 (JP, U) Actual public Sho 49-5512 (JP, Y2) Registered utility model 3045542 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) A63F 7/02 327 E05B 61/00

Claims (4)

(57) [Claims] 1. A locking rod is slidably arranged along the support plate inside a base frame body in which a supporting plate is erected from a vertical edge of a mounting plate attached to a front frame. Is urged in the locking direction by a tension spring, and the locking rod is slid along the support plate against the urging force of the tension spring by the unlocking operation of the cylinder lock attached to the middle portion of the mounting plate. In a locking device of a game machine for unlocking, a first hook member is pivotally fixed to a lower portion of the support plate so as to be tiltable by a pivot pin with a locking claw upward, and is attached more than the pivot stop pin. The locking bar is connected to the plate at a position closer to the plate, the first hook is provided at the lower part of the locking bar facing the first hook member with the locking claw facing downward, and the second bar is provided at the upper part of the support plate. The hook member is pivotally locked by a pivoting pin with the locking claw facing upward and is tiltable. At a position closer to the mounting plate than the stop pin, the second hook part is provided on the upper part of the locking bar so as to face the second hook member and the locking claw is directed downward, and the main body frame A locking device for a gaming machine, wherein locking claws are engaged with the upper and lower receiving fittings attached to the upper and lower parts to lock the front frame to the main body frame. 2. A downward projecting portion formed by a lower projecting piece and an upper projecting piece at the lower part of the support plate and receiving the lower receiving metal fitting is formed at the upper part of the supporting plate by the lower projecting piece and the upper projecting piece. 2. The locking device for a gaming machine according to claim 1, further comprising an upward projecting portion for receiving the receiving metal fitting. 3. A locking rod is slidably arranged along the support plate inside a base frame body in which the supporting plate is erected from a vertical edge of a mounting plate attached to the front frame. Is urged in the locking direction by a tension spring, and the locking rod is slid along the support plate against the urging force of the tension spring by the unlocking operation of the cylinder lock attached to the middle portion of the mounting plate. In a locking device of a game machine for unlocking, a first hook member is pivotally fixed to a lower portion of the support plate so as to be tiltable by a pivot pin with a locking claw upward, and is attached more than the pivot stop pin. It is connected to the locking rod at a position close to the plate, faces the first hook member, and is provided at a lower portion of the support plate with a second member.
The hook member is pivotally locked by a pivoting pin with the locking claw facing downward so as to be tiltable, and is connected to the locking rod at a position closer to the locking claw than the pivoting pin, and is attached to the upper part of the support plate. The third hook member is pivotally locked by a pivoting pin so that the locking claw is directed upward, and is connected to a locking rod at a position closer to the mounting plate than the pivoting pin, facing the third hook member. Then, the fourth hook member is pivotally fixed to the upper portion of the support plate so as to be tiltable by the pivot pin with the locking claw facing downward,
It is connected to the locking rod at a position closer to the locking claw than the pivot pin, and the locking claws engage with the upper and lower receiving metal fittings attached to the body frame from above and below to lock the front frame to the body frame. A locking device for a gaming machine, characterized in that 4. A lower projecting portion formed by a lower projecting piece and an upper projecting piece at the lower part of the support plate and receiving the lower receiving metal fitting is formed at the upper part of the supporting plate by the lower projecting piece and the upper projecting piece. 4. The locking device for a gaming machine according to claim 3, further comprising an upward projecting portion for receiving the receiving metal fitting.