JP2583878Y2 - Video game console - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video game machine, and more particularly, to a video game machine in which a user can enjoy a different game by exchanging a cartridge containing a memory storing a program, for example, and can easily attach and detach the cartridge.

[0002]

2. Description of the Related Art As a cartridge attaching / detaching device for a video game machine or the like in which a user can enjoy a different game by exchanging a cartridge, a detaching device such as Japanese Utility Model Laid-Open No. 1-112197 is known. In this prior art, the distance between the cartridge and the eject button is selected to be long in order to extract the cartridge with a small pressing force, and the position of the link arm at the pressing position is lower than the pivot position.

[0003]

The above-mentioned prior art has a drawback in that the length of the housing in the depth direction is increased because the distance between the cartridge and the eject button is selected to be long, and the shape of the housing becomes large. In addition, the stroke of the eject button becomes long, and it is difficult for a weak user such as a child to smoothly perform an eject operation with a small force. Also, if you accidentally press the eject button during use, the cartridge will come off the connector,
Until then, we had to start over, even if we were playing the game over time.

[0004] Therefore, an object of the present invention is to provide a video game machine having an eject function capable of smoothly extracting a cartridge with a small force and a small stroke and capable of reducing the size of a housing.

Another object of the present invention is to provide a video game machine capable of preventing the cartridge from being undesirably removed in the original use state where the power switch is turned on with the cartridge inserted. .

[0006]

According to a first aspect of the present invention, there is provided a television game machine in which a cartridge storing a game program is detachably mounted, and the game program is read out from the mounted cartridge to execute processing for the game. A video game machine having a housing, a connector, an eject button, and an eject lever.
The housing has a rectangular shape in plan view, and a cartridge insertion hole which is elongated in the horizontal direction and has a shape larger than the shape of the lower surface of the cartridge, and a position in the depth direction of the housing which is shorter than the cartridge insertion hole. And a concave portion for an eject button. The connector is chosen shorter than the lateral length of the cartridge,
The cartridge is fixedly held in the housing below the cartridge insertion hole so that the cartridge can be inserted and removed. The eject button is placed in an eject button recess of the housing, is held in a state in which it is movable vertically in the upper surface of the housing and is prevented from falling off, and its lower surface is formed to bulge in an arc shape when viewed from the side. The eject lever is
A first portion extending laterally parallel to the connector;
And a pair of claw portions that are laterally protruded from both ends of the connector to the left and right end portions of the connector and are opposite to the pair of claw portions from a substantially central position in the lateral direction of the first portion, and are inclined with respect to the claw portions. A second extending upwardly to a position below the eject button to have
The second portion is selected to be longer than the length of the claw portion, is pivotally supported in the longitudinal direction of the first portion, and is rotatably supported by pushing down the second portion.

When the cartridge is mounted on the connector, the second portion of the eject lever is pushed down by the arc portion on the lower surface of the eject button by pushing the eject button, and the lower surfaces on both right and left sides of the cartridge are pushed up by a pair of claws. The cartridge is forcibly ejected.

According to a second aspect of the present invention, in addition to the configuration of the video game machine according to the first aspect of the present invention, the housing is provided on the upper surface of the housing at a position in front of the cartridge insertion hole in the depth direction. A power switch mechanism is further provided on one side in the horizontal direction.

According to a third aspect of the present invention, in addition to the configuration of the video game machine according to the second aspect, the power switch mechanism includes an operation unit, a slide switch, a power switch, and a lock unit. It consists of. The operation unit is slidably provided on the housing, and is exposed and held from an upper surface of the housing. The slide switch is
A projection extending downward is formed inside the housing. The power switch is housed inside the housing,
It is turned on and off in conjunction with the operation of the slide switch.
The locking means has one end pivotally supported inside the housing, and a protruding portion extending in the lateral direction is formed near the other end so as to fit into the locking groove, and is provided near one end between the one end and the other end. At the position, an engagement hole into which the projection is inserted is formed, and rotates in conjunction with the operation of the slide switch.

When the cartridge is mounted on the housing and the power switch is turned on, the locking means rotates in conjunction with the operation of the slide switch, and the protrusion is fitted into the locking groove from the front of the cartridge, thereby locking the cartridge. It is characterized in that the cartridge is locked so that it cannot be removed, and that the ejection mechanism cannot eject the cartridge.

According to a fourth aspect of the present invention, in addition to the configuration of the video game machine according to the second aspect, the upper surface of the housing is located at a position in front of the cartridge insertion hole in the depth direction. A reset switch mechanism is further provided on the other side in the horizontal direction.

According to a fifth aspect of the present invention, in addition to the configuration of the video game machine according to the third aspect of the present invention, a door member is further provided, the cartridge is not mounted on the housing, and the power switch is turned on. At this time, the protruding portion of the lock means protrudes below the door member to make the door member unopenable, thereby preventing the cartridge from being mounted in the power-on state.

[0013]

In the video game machine according to the first invention, when the cartridge is mounted on the connector, when the eject button is pressed, the second portion of the eject lever is formed by the arc on the lower surface of the eject button.
Is pressed down, and the lower surface on both left and right sides of the cartridge is pushed up by a pair of claws to forcibly eject the cartridge. The eject lever and the eject button are in contact with each other at an arc formed on the lower surface of the eject button.
Therefore, during the eject operation, the force to push down is concentrated at one point without being dispersed, and furthermore, the pushing point and the action point move smoothly along the arc,
The force is transmitted efficiently, a small force can be easily pressed down, and the cartridge can be smoothly extracted. Further, the eject lever has a first portion extending in the lateral direction in parallel with the connector, and is axially supported in the longitudinal direction of the first portion, so that the eject lever has excellent rigidity.

The second part of the eject lever is
Since it is formed to extend upward from the first portion to a position below the eject button, the interval between the cartridge and the eject button can be shortened. by this,
The stroke of the eject lever required for the eject operation can be sufficiently secured without lengthening the second portion, and the area occupied by the eject mechanism in the housing can be reduced, and the size of the game machine can be reduced.

Further, the eject button stabilizes a uniform force to the claw portions formed at both the left and right ends, because the eject button pushes down the second portion formed at the substantially central position in the lateral direction of the first portion of the eject lever. Can be communicated. Accordingly, it is possible to prevent a situation in which the force is biased to one of the right and left and only one of the cartridges is lifted, and the connection portion is twisted to damage the cartridge and the terminal of the connector.

In the video game machine according to the second invention, the eject mechanism can be compactly arranged at the substantially central position in the lateral direction of the housing by the first invention. A power switch mechanism can be provided on one side.

Since the video game machine according to the third invention has the lock means which rotates in conjunction with the power switch mechanism according to the second invention, even if the eject mechanism is operated in the power-on state. It becomes impossible to remove the cartridge, thereby preventing removal of the cartridge in the power-on state, and preventing the memory and the data stored in the memory from being destroyed.

In the video game machine according to the fourth invention, a reset switch mechanism can be provided in an area opposite to an area where the power switch mechanism according to the second invention is arranged with the eject mechanism interposed therebetween.

The video game machine according to the fifth invention further comprises a door member in addition to the third invention, so that when the power is turned on without mounting the cartridge, the door is opened by the lock mechanism. Since the member is locked so as not to be opened, the mounting of the cartridge in the power-on state is disabled, and an accident such as a short circuit of the circuit or destruction of the memory can be prevented.

[0020]

FIG. 1 is an external perspective view of a video game machine according to an embodiment of the present invention. First, referring to FIG.
A schematic configuration of an embodiment of the present invention will be described. The video game machine 10 includes a flat rectangular parallelepiped housing 11 whose length in the front-rear direction is slightly longer than the length in the left-right direction. The housing 11 is divided into an upper housing 11a and a lower housing 11b. A power switch mechanism 12, an eject mechanism 13, a reset switch mechanism 14, a door member 15, a top panel 16 and a display panel 24 are provided in association with the upper housing 11a.

On the other hand, the cartridge 20 detachably mounted to the video game machine 10 is selected to have, for example, a flat rectangular parallelepiped outer shape. The front surface of the cartridge 20 has a gentle bulge toward the outside. An elongated locking groove 21 extending in the horizontal direction is formed substantially at the center of the front surface of the cartridge 20. The cartridge 20 houses a cartridge substrate 22 (see FIGS. 3 and 4). The cartridge substrate 22 has a memory (for example, a ROM) storing program data and character data for a game. The locking groove 21 locks the cartridge 20 so that the cartridge 20 does not come off when the power is turned on, in cooperation with a lock plate 17 (see FIGS. 2 and 3) described later.

FIG. 2 is an exploded perspective view of the embodiment shown in FIG. FIG. 3 is an exploded perspective view of a main part of the embodiment shown in FIG. FIG. 4 is a partial cross-sectional view of the embodiment shown in FIG. 1 along the line XX. FIG. 5 shows the upper housing 11a, the top panel 16 and the display panel 24 in the embodiment shown in FIG.
It is each a top view. FIG. 6 is a longitudinal sectional view of the upper housing 11a in the embodiment shown in FIG. Less than,
A more detailed configuration of the embodiment shown in FIG. 1 will be described with reference to FIGS.

A cartridge insertion hole 111 for inserting the cartridge 20 is formed substantially at the center of the upper surface of the upper housing 11a. Cartridge insertion hole 111
Has an elongated shape extending in the left-right direction of the housing 11 so that the cartridge 20 can be inserted. On the upper surface of the upper housing 11a, a step recess 116 having a depth substantially equal to the thickness of the top panel 16 is formed. This is to prevent a step from occurring on the upper surface of the upper housing 11a when the top panel 16 is mounted on the upper housing 11a. A plurality of engagement recesses (or engagement holes) 117 are formed in the inner peripheral portion of the step recess 116. Recesses 112 to 114 for accommodating respective operation units of the power switch mechanism 12, the eject mechanism 13, and the reset switch mechanism 14 are formed on the upper surface of the upper housing 11a before the cartridge insertion hole 111.

The power switch mechanism 12 includes the power switch 1
21, a slide switch 122, and a holding member 123
(See FIG. 2). An operation unit 122a is formed on the upper surface of the slide switch 122, and the slide switch 12
2 has an engagement piece 12 for engaging with the power switch 121.
2b is formed. The holding member 123 is formed in a frame shape having an opening, and while exposing the operation portion 122a of the slide switch 122 to the outside from the opening,
The slide switch 122 is held. On the lower surface of the holding member 123, the holding member 123 is attached to the upper housing 1.
An engagement protrusion 123a for fixing to 1a is formed. The recess 112 of the upper housing 11a is selected so that its width in the left-right direction substantially matches the width in the left-right direction of the slide switch 122 so that the slide switch 122 can be slidably received. The length is selected by adding the slide length to the length in the front-rear direction of 122, thereby regulating the slide range of the slide switch. The recess 112 has a through hole 1 at a portion corresponding to the engagement piece 122 b of the slide switch 122.
12a are formed, and long holes 112b are formed in portions corresponding to protrusions 122c described later.

The lock plate 17 is provided below the slide switch 122. A hole 172 is formed in the lock plate 17 at a position separated by a predetermined distance from one end serving as a rotation center. Slide switch 12
On the lower surface of 2, a projection 122c that engages with the hole 172 is formed. Thus, the lock plate 17 is interlocked with the sliding movement of the slide switch 122. One end of the lock plate 17 has an upper housing 11a.
Are rotatably supported by a column (not shown) formed on the base. The side of the lock plate 17 facing the cartridge insertion hole 111 has a protrusion 17
1 is formed.

Insert the cartridge 20 into the cartridge insertion hole 1
When the power switch 121 is turned on by sliding the slide switch 122 in the front-rear direction after being inserted into the connector 11, the protrusion 122 c inserted into the hole 172 transmits the sliding motion of the slide switch 122 to the lock plate 17. Therefore, the lock plate 17 is
Rotate around the column a. As a result, the projecting portion 171 of the lock plate 17 is
Fits in 1. As a result, the cartridge 20 is locked, and the cartridge 20 is prevented from being accidentally pulled out while the power switch 121 is turned on.

After the power is turned on, the cartridge 2
Even if an attempt is made to insert 0, the projection 171 of the lock plate 17 hits the door member 15 and does not open, preventing the cartridge 20 from being inserted in the power-on state.

The eject mechanism 13 includes an eject button 131 and an eject lever 132. The eject button 131 is formed with retaining hooks 131b extending downward at both left and right ends thereof. Further, an arc-shaped pressing protrusion 131 a for pressing the eject lever 132 is formed below the eject button 131. The eject lever 132 has a T-shape having a wing piece (first portion) 132 ′ extending in the left-right direction and a tongue piece (second portion) 132 ″ extending in the forward direction orthogonal to the wing piece 132 ′. A shaft 133 is inserted into the wing piece 132 'along its longitudinal direction.
3 protrude outside through the left and right ends of the wing piece 132 ', and are supported by the support portions 1 provided on the lower housing 11b.
15 rotatably supported by the shaft. Tongue piece 132 "
The upper surface near the front end of the push button 131 forms a pressing portion 132a pressed by the pressing protrusion 131a of the eject button 131. At both left and right ends of the wing piece 132 ', a pair of eject claws (claw portions) 132b extending in a direction perpendicular to the axis 133 and in a direction opposite to the tongue piece 132 "are formed. , Connectors 191 (see FIGS. 2 and 3) are disposed near the left and right side surfaces and below the cartridge substrate 22. Each eject claw 132
“b” pushes up the cartridge 20 by leverage principle when the eject button 131 is pressed. As a result, the cartridge 20 is forcibly ejected.

The recess 11 formed in the upper housing 11a
3 is formed in a shape capable of receiving the eject button 131, and is formed with a hole 113a for guiding the pressing projection 131a to the eject lever 132 (see FIG. 3). Holes 113b into which the retaining hooks 131b are inserted are formed at the left and right ends of the bottom surface of the concave portion 113.

The reset switch mechanism 14 includes a reset button 141 and a reset switch 142. The reset button 141 has a rod-shaped guide 141a for pressing the reset switch 142. This guide 1
Reference numeral 41a protrudes downward from the center of the lower surface of the reset button 141. Further, a pair of retaining hooks 141b protruding downward are formed on the left and right ends of the lower surface of the reset button 141. Upper housing 11a
Is formed in a shape capable of receiving the reset button 141. A hole 114a into which the guide 141a is inserted and a hole 1 into which the retaining hook 141b is inserted are formed on the bottom surface of the concave portion 114.
14b is formed (see FIG. 5).

The door member 15 has a shape slightly larger than the bottom surface of the cartridge 20 and smaller than the cartridge insertion hole 111. The door member 15 has a pair of shafts 151 formed on one of its sides along the longitudinal direction, and a holding portion 153 that holds a coil spring 152 at the center of the side.
Are formed. The cartridge insertion hole 111 formed in the upper housing 11a is formed in a frame shape large enough to insert a lower portion of the cartridge 20, and a hole 111a (FIG. 4, FIG.
FIG. 5) is formed. The cartridge insertion hole 1
A hole 111b through which the protrusion 171 of the lock plate 17 enters and exits is formed in the front wall 111c of the frame-shaped portion 11 (see FIG. 4). Further, in the upper housing 11a, bearing portions 111d are formed at left and right ends of the cartridge insertion hole 111, and holes 11 for fixing an open end of the coil spring 152 are provided in the center of the upper portion of the rear wall of the cartridge insertion hole 111.
1e is formed.

At the end of the cartridge substrate 22 exposed from the case of the cartridge 20, connection terminals 23 for electrical connection with the connector 191 are formed.
reference).

A top panel 16 is mounted on the upper surface of the upper housing 11a. The top panel 16 includes a plurality of engagement claws 165 that engage with the respective engagement recesses 117 formed in the upper housing 11a. Each engaging claw 165 is provided in the engaging recess 11.
7 and is formed on the outer periphery of the lower surface of the top panel 16 so as to protrude downward. A hole 161 is formed on the upper surface of the top panel 16 at a position corresponding to the cartridge insertion hole 111, and a hole 161 is formed at a position corresponding to the slide switch 122 of the power switch mechanism 12.
2, a hole 163 is formed at a position corresponding to the eject mechanism 13, and a hole 164 is formed at a position corresponding to the reset mechanism 14.

More preferably, the inclined surface 11 of the upper housing 11a before the concave portions 112, 113 and 114
8, a display panel 24 is mounted. This inclined surface 11
A plurality of engagement recesses 119 are formed in a peripheral portion of the bracket 8. An engagement projection 241 projecting downward is formed on a peripheral portion of the lower surface of the display panel 24.

A female connector 18 for connecting an operation device (not shown) such as a controller or a joystick is mounted on a front side surface (front surface) of the housing 11. The connector 18 is mounted on the housing 11 while being integrated with the front panel 181 to facilitate assembly. If necessary, connector 18
Are provided so that two players (A player and B player) can play individually.

In the housing 11, the circuit board 19 is accommodated in a state supported by the columns. On the circuit board 19,
A central processing unit (CPU; not shown) and an image processing unit (P) which perform desired functions for a video game.
PU; not shown). Further, the circuit board 19
The electronic component such as the connector 191 into which the connection terminal 23 of the cartridge board 22 housed in the cartridge 20 is inserted is mounted on the cartridge 20.

Next, a method of assembling the video game machine of the embodiment shown in FIGS. 1 to 6 will be described. First, the lower housing 1
The power switch 121 and the circuit board 19 are screwed to 1b, and the front panel 181 is mounted by a method such as fitting. The shaft 133 inserted into the eject lever 132 is inserted into the support part 115, and the eject lever 132 is pivotally supported.

On the other hand, a lock plate 17 is supported on the upper housing 11a from below by a screw. afterwards,
The upper housing 11a is screwed to the lower housing 11b.

Next, the engaging piece 122b is connected to the power switch 12
1 and the projection 122c is
7 so that it is inserted into the hole 172 of the slide switch 1.
22 is fitted into the recess 112 of the upper housing 11a. Thereafter, the pressing member 123 is fitted from above the slide switch 122. At this time, the pressing member 123
Are inserted into engagement recesses (not shown) formed in the upper housing 11a. Further, the eject button 131 is inserted into the concave portion 113, the left and right retaining hooks 141 b are pressed inward and pushed into the hole 114 b, and the reset button 141 is inserted into the concave portion 114. Further, the coil spring 152 is engaged with the hole 111e from the upper surface of the upper housing 11a, and the shaft 151 is inserted into the bearing 111d. Thereby, the door member 15 is attached to the upper housing 11a so as to be freely opened and closed.

Thereafter, the engagement protrusion 241 of the display panel 24
Is fitted into the recess 119, whereby the display panel 24 is mounted on the upper housing 11a. Subsequently, the top panel 16 is operated by the operation unit 122 of the slide switch 122.
a is exposed from the hole 162, the upper surface of the eject button 131 is exposed from the hole 163, and the upper surface of the reset button 141 is exposed from the hole 164.
It is put on the step recess 116 of the upper housing 11a. Further, when the plurality of engaging claws 165 are sequentially (or substantially simultaneously) pressed from the upper surface side of the top panel 16, each engaging claw 165 is fitted into the corresponding engaging recess 117.

As described above, the slide switch 122,
Eject button 131 and reset button 141
Are mounted on the upper housing 11a without screwing. Therefore, the number of parts is small,
Assembly becomes easy, and the number of assembly steps can be reduced. Therefore, the above embodiment is suitable for mass production and can be manufactured at low cost. In the case of repair, the top panel 16 can be easily removed by removing the upper housing 11a from the lower housing 11b and pushing the engaging claws 165 inward from the lower surface of the upper housing 11a.

Next, the operation of each unit after assembling the video game machine 10 will be described.

When using the video game machine 10, the user inserts the cartridge 20 storing the program data of the desired game content into the cartridge insertion hole 111 of the video game machine 10. Thus, the connection terminals 23 formed on the cartridge substrate 22 in the cartridge 20 and the connector 191 of the video game machine 10 are electrically connected. Subsequently, the user slides the slide switch 122 and turns on the power switch 121 to start the game. At this time, the lock plate 17 rotates in conjunction with the sliding movement of the slide switch 122. As a result, the protrusion 171 of the lock plate 17 fits into the lock groove 21 formed in the cartridge 20. Thereby, the cartridge 20
Is locked so that it does not come off. Therefore, even if the eject button 131 is undesirably pressed while the power switch 121 is turned on, the removal of the cartridge 20 is impossible or prevented. When the power is turned on without inserting the cartridge 20, the projection 171 of the lock plate 17 hits the door member 15, so that the door member 15 is locked.
Insertion of the cartridge 20 is disabled or prevented. In addition, as shown in FIG. 2 or FIG.
31 are formed in an arc shape, the pressing protrusion 131a and the pressing portion 132a of the eject lever 132 are formed.
There is an advantage that the contact state with the contact can be made smooth.

Next, in order to further clarify the features of the above-described embodiment, the operation when the cartridge 20 is removed from the video game machine 10 will be described in comparison with the prior art.

In the lock mechanism of the cartridge disclosed in Japanese Utility Model Laid-Open No. 2-49595, when the user pulls up the side of the cartridge on which the notch is not formed, the cartridge is centered on the claw of the arm member. There is a drawback that the cartridge rotates and as a result the cartridge comes off or the claw portion is broken. On the other hand, in the above embodiment, the lock plate 1
Since the cartridge 7 is inserted into the substantially central portion of one main surface of the cartridge 20 in the horizontal direction, even if the cartridge is pulled up obliquely, the cartridge 20 is not pulled out of the video game machine 10 and the projection 171 is damaged. Not even.

When a lock mechanism disclosed in Japanese Utility Model Application Laid-Open No. 2-49595 is applied to a video game machine having an eject mechanism (for example, a product name "Family Computer" sold by the present applicant), the user is instructed. Even if the eject mechanism is operated with a small force, a very large force is applied to the arm member and / or the claw portion, so that the force applied in the direction of ejecting the cartridge concentrates on the claw portion and the notch portion, and as a result, the claw portion is damaged. There is a possibility that. On the other hand, the locking mechanism in the above embodiment includes an elongated locking groove 21 extending horizontally on one main surface of the cartridge 20,
And a projecting portion 171 inserted over substantially the entire area of the locking groove 21. Therefore, the area of the portion that receives the force applied in the direction in which the cartridge 20 is pulled out is larger than that of the conventional lock mechanism. In addition, since the lock plate 17 is inserted into the locking groove 21 through the hole 111b (see FIG. 4) formed in the upper housing 11a, the inner wall of the hole 111b of the upper housing 11a extends in the vertical direction of the lock plate 17. Restrict movement. Therefore, even if a large force acts on the cartridge 20 by the eject mechanism 13, the force is disassembled into each member and the lock plate 17 is not damaged.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a video game machine according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the embodiment shown in FIG.

FIG. 3 is an exploded perspective view of a main part of the embodiment shown in FIG. 1;

FIG. 4 is a partial sectional view taken along line XX of the embodiment shown in FIG. 1;

FIG. 5 shows an upper housing 11 in the embodiment shown in FIG.
2A is a plan view of each of the top panel 16 and the display panel 24. FIG.

FIG. 6 shows an upper housing 11a in the embodiment shown in FIG.
FIG.

[Explanation of symbols]

 10: Video game machine 11: Housing 11a: Upper housing 11b: Lower housing 111: Cartridge insertion hole 116: Step recess 117: Engagement recess 12: Power switch mechanism 121: Power switch 122: Slide switch 13: Eject mechanism 14: Reset Switch mechanism 15: Door member 16: Top panel 161-164: Hole 165: Engaging claw 17: Lock plate 18: Connector 20: Cartridge 21: Locking groove

Claims (5)

(57) [Scope of request for utility model registration] 1. A television game machine configured to detachably mount a cartridge storing a game program, read a game program from the mounted cartridge, and execute a process for a game. A housing formed on the upper surface thereof with a cartridge insertion hole elongated in the lateral direction and having a shape larger than the shape of the lower surface of the cartridge, and a recess for an eject button formed at a position closer to the depth of the housing than the cartridge insertion hole. A connector that is selected to be shorter than the lateral length of the cartridge, is fixedly held in the housing at a position below the cartridge insertion hole, and allows the cartridge to be inserted and removed; The upper surface of the housing is vertically movable and retainable. An eject button which is held in a depressed state and whose lower surface bulges in an arc shape when viewed from the side, a first portion extending in a lateral direction in parallel with the connector, and both end portions of the first portion A claw protruding laterally at both left and right ends of the connector, and a pair of claw portions on the opposite side from a substantially central position in the lateral direction of the first portion and having an inclination with respect to the claw portions. A second portion extending upward to a position below the eject button, wherein the second portion is selected to be longer than the length of the claw portion, and is pivotally supported in the longitudinal direction of the first portion to push down the second portion. The eject lever is rotatably supported by the ejector button, and when the cartridge is mounted on the connector, the eject button is pressed to cause the eject lever to move in a circular arc portion on the lower surface of the eject button. 2
Wherein the pair of claws push up the lower surfaces on both left and right sides of the cartridge to forcibly eject the cartridge. 2. The video game according to claim 1, wherein a power switch mechanism is further provided on the upper surface of the housing at a position in front of the cartridge insertion hole in the depth direction and on one side in the lateral direction of the housing. Machine. 3. The power switch mechanism, wherein the power switch mechanism is slidably provided on the housing and is exposed from an upper surface of the housing, a slide switch formed with a downwardly extending projection inside the housing, A power switch housed inside the housing and turned on / off in response to the operation of the slide switch, one end of which is pivotally supported inside the housing,
A protruding portion extending in the lateral direction that fits into the locking groove is formed near the other end, and an engagement hole into which the protrusion is inserted is formed between the one end and the other end near the one end. And a lock unit that rotates in conjunction with the operation of the slide switch. When the cartridge is mounted on the housing and the power switch is turned on, the lock unit is interlocked with the operation of the slide switch. And the protrusion is fitted into the locking groove from the front surface of the cartridge to lock the cartridge so that it cannot be removed, and the ejection mechanism cannot eject the cartridge. The video game machine according to claim 2. 4. The video game according to claim 2, wherein a reset switch mechanism is further provided on the upper surface of the housing, at a position in front of the cartridge insertion hole in the depth direction, and on the other lateral side of the housing. Machine. 5. The video game machine further comprises a door member, and when the cartridge is not mounted on the housing and the power switch is turned on, the projecting portion of the locking means is below the door member. 4. The video game machine according to claim 3, wherein the video game machine protrudes from the housing to prevent the door member from being opened, thereby preventing the cartridge from being mounted in a power-on state.