JP2024046715A - Ball game equipment - Google Patents

Abstract

[Problem] To provide ball game equipment that allows many people to play fair, with diverse competitiveness, easily and safely. [Solution] Equipment for ball games in which balls are hit back and forth, characterized in that it has an outline body 1 that is placed on the floor and on a stand, and a court dividing body 3 that separates the player's court from the opponent's court, and that the outline body 1 and the court dividing body 3 are provided with a mechanism that allows them to be assembled and disassembled with each other, and may also have one or more of an in-line body 2 or an out-area extension body 16, which are provided with one or more of an extension mechanism, a folding mechanism, a height adjustment mechanism, or a contact sensor, thereby making it possible to adjust the court area to provide fairness, clear judgment, diversity of play, ease of transport, reduced playing and storage space, and improved safety. [Selected Figure] Figure 14

Description

The present invention relates to equipment for ball games in which a player hits a ball alternately using a tool held in the hand (hereinafter referred to as a racket to distinguish it from the ball game equipment of the present invention).

Table tennis and tennis are ball games in which players hit the ball back and forth using a racket. Table tennis requires a table. The official size of a table is 2.74m long, 1.525m wide, and 0.76m high. The playing area is 14m long and 7m wide. Tennis requires a dedicated court with a large playing area. The official size of a tennis court is 23.77m long and 10.97m wide for both hard and soft courts. The playing area is at least 36.57m long and 18.29m wide for hard courts. For soft courts, the playing area is at least 39.77m long and 22.97m wide.

Both table tennis and tennis require quick movements, which can lead to risks such as falling, spraining ankles, and cramps. Dehydration can also occur, especially in the summer. Furthermore, players can injure themselves by hitting their hands or body against the table.

In both table tennis and tennis, it is difficult to return a ball in the middle (near the trouser pocket on the side holding the racket), so it is best to move your body and return the ball with a forehand or backhand stroke.

Wheelchair table tennis follows the same rules as regular players, but the course and trajectory of the serve are restricted. It is difficult to move left and right quickly in a wheelchair, and it is difficult to move up and down and turn the body because the knees and hips cannot be used. As a result, the racket cannot be swung widely, so the speed of the ball, the amount of spin, and the reach of the hand (the side of the table or the top of the table close to the net) are restricted. Wheelchair tennis has different rules from able-bodied players, such as allowing the ball to bounce twice.

In Paralympic table tennis, there are three classes: sitting (wheelchair), standing, and intellectual disability. In addition, there are five levels for both sitting and standing.

Some ping pong tables are foldable, and some have wheels on the legs that support the table, making them easy to move on a flat surface. However, they are heavy and difficult to carry, and because they are tall when folded, there is a risk of them falling over.

Table tennis tables may continue to be used as they are even if they have scratches, dents, chipped corners, or broken legs, as it would be difficult to repair or replace them. During play, the ball may hit the scratches or dents, causing the bounce to change.

When practicing or playing table tennis with a large number of people in a facility where table tennis tables cannot be permanently installed, it takes time to set up and take down the tables. Also, many table tennis tables are required, and space is needed to store them. Furthermore, as mentioned above, tennis requires a large playing area, so it is difficult to secure many courts, and many practice sessions or matches cannot be held at the same time.

In table tennis, the height of the table is 0.76 m from the floor, so the racket can be swung up from under the table or down from above, which allows for a strong spin on the ball. In addition, the swing width of the racket is large, which makes the ball go faster.

In table tennis, the decision is between edge (when the ball hits the corner of the table) or side (when the ball hits the side of the table), while in tennis, it can be difficult to decide whether the ball is on or off line, which can cause the game to be stopped.

Table tennis requires a heavy table, and tennis requires a specialized tennis court, both of which require large playing areas, making them difficult to play. Furthermore, because the playing area is large, footwork is required, and the faster the ball speed, the more advantageous it is, so relatively quick movements and strength are required, making it difficult for children, the elderly, and physically disabled people (those using wheelchairs or prosthetic limbs) to play. There are also difficulties when able-bodied and physically disabled people try to play under the same rules.

There are safety issues with table tennis and tennis.

Table tennis tables are heavy, making them difficult to move over steps or transport.

Table tennis tables are difficult to repair or replace if they become scratched, dented, have chipped corners, or if the supporting legs are broken.

In places where a table tennis table cannot be permanently installed, there is the problem of the time and effort required to set up and take down the table tennis table.

There is a problem with the space required to store the ping pong table.

Table tennis tables are expensive and costly to transport, so they are difficult to popularize in developing countries and remote islands.

In table tennis, the swing width of the racket and the rubber can be used to impart strong spin to the ball. In tennis, if you are tall, centrifugal force can be used to serve or swing the ball and add speed to it. Furthermore, in both table tennis and tennis, strong muscles allow you to hit the ball hard and move quickly. These issues mean that there are obvious differences in gender and physique, and differences in level between experienced and inexperienced players, and between advanced and beginner players.

In table tennis, it is difficult to determine whether the ball is on the edge or side, and in tennis, it is difficult to determine whether the ball is online or offline.

To provide a ball game implement for hitting balls alternately, which has an outline body 1 to be placed on a floor and a table, a court dividing body 3 for dividing a player's court from an opponent's court, and is characterized in that the outline body 1 and the court dividing body 3 are provided with a mechanism for assembling and disassembling each other.
The mechanism for assembling and disassembling may be a joint, a joint, a bayonet, a bolt or a screw, a tubular insertion/removal, or a combination of these.

The inline body 2 may be provided inside the court surrounded by the outline body 1, and the inline body 2 may be provided with a mechanism for assembling and disassembling the outline body 1 and the court dividing body 3 with each other.

One or more of the outline body 1, the coat dividing body 3, and the inline body 2 may be provided with an expansion mechanism.

One or more of the outline body 1, the coat division body 3, or the inline body 2 may be provided with a folding mechanism.

The coat division body 3 may be equipped with a height adjustment mechanism.

Either the outline body 1 or the inline body 2 or more may be equipped with a contact sensing device.

An out-area extension body 16 is provided near the court dividing body 3 inside the court surrounded by the outline body 1, and the out-area extension body 16 may be provided with one or more of a mechanism for assembling and disassembling the outline body 1 or the in-line body 2 with each other, or an extension mechanism, or a folding mechanism, or a contact sensing device.

The ball game equipment of the present invention is preferably used in table tennis with rackets, balls, nets and net supporters, and when installed on the floor, players play while sitting or kneeling on the floor. As players play without moving from their spot, the playing area is less than half the playing area of table tennis, making it easier to secure space for installation.

Because players sit or kneel on the floor, there is no need to move their feet, so children, adults, the elderly, able-bodied people, and people with disabilities (such as those using wheelchairs or prosthetic limbs) can all play under the same rules, regardless of their footwork ability. Furthermore, because the racket cannot be lowered below the floor, the swing width of the racket is smaller than in table tennis, making it difficult to put spin on the ball, reducing the level difference between experienced and inexperienced players, and between advanced and beginner players.

One of the injuries that can occur when using a ping pong table is when the hand strikes the table when the player raises the racket from under the table to return the ball, which may or may not bounce twice on the table. However, with the ball game equipment of the present invention, the racket cannot be lowered below the floor, so injuries from the above reasons are eliminated. In addition, because the player does not move by moving his or her feet, injuries to the feet and injuries from hitting the table or wall are also reduced.

The ball game equipment of the present invention can be manufactured lighter and more inexpensively than a table tennis table, and since the outline body 1, inline body 2, court dividing body 3, and out area expansion body 16 can be disassembled, it is easy to transport, requires little storage space, and has a small playing space, so it can be easily enjoyed not only in gymnasiums, but also in schools, gyms, nursing homes, senior homes, children's facilities, and ordinary homes. It can also be easily spread to developing countries and remote islands. Furthermore, by providing an extension mechanism as shown in Figures 4 and 5 and a folding mechanism as shown in Figures 9 and 10, it becomes even easier to carry.

The ball game equipment of the present invention can be designed so that a ready-made table tennis net supporter 8 can be attached to the court division body 3 as shown in Figure 1, so facilities that already have table tennis tables can reduce costs by not needing to purchase equipment such as a table tennis net 9, net supporter 8, and rackets. In addition, players do not need shoes when playing seated, as they do not move.

In addition, for example, if one of the vertical outline bodies 1a, which is one of the outline bodies 1, is lost or damaged, it is only necessary to purchase one vertical outline body 1a, which reduces maintenance costs.

When playing ball games using the equipment of the present invention, players cannot move their bodies while sitting down, so the middle shot becomes a weak point, and the game becomes a battle of middle shots, which becomes monotonous. To alleviate this, as shown in Figure 3, an inline body 2 is provided inside the court surrounded by an outline body 1, making it more difficult to aim at the middle shot.

When playing seated, players cannot move, so players with long arms have an advantage because they can reach the ball from a wider range. However, as shown in Figure 13, by providing the outline body 1, inline body 2, court dividing body 3 and out area extension body 16 with mechanisms that can be assembled and disassembled in several places, the court area of the player's court and the opponent's court can be changed. This allows players with long hands, experienced players and advanced players to play on a larger court, while players with short hands, inexperienced players and beginners to play on a smaller court, reducing physical and experiential differences, as shown in Figure 14.

As shown in Figure 18, the court division body 3 has a height adjustment mechanism, so if the height of the net 9 or net substitute (which can be cloth, board, or string similar to the shape of the net 9) is low, the trajectory of the ball will be low, resulting in a ball game with a sense of speed. If the height of the net 9 or net substitute is high, the trajectory of the ball will be high and the speed will be slow, making it easier to continue rallies. This allows players to choose a sport that suits their level.

The rules for using the ball game equipment of the present invention are that if a served or returned ball hits the outline body 1, in-line body 2, or out-area extension body 16 of the opponent's court, a point is lost, eliminating the need to stop the game due to difficult decisions about the edge, side, or whether the ball is online or offline. Therefore, by making the outline body 1, in-line body 2, and out-area extension body 16 three-dimensional, the trajectory of the ball changes when it comes into contact with them, making the decision clearer.

Furthermore, as shown in FIG. 20, by equipping the outline body 1, the inline body 2, and the out area extension body 16 with a contact sensing device having a contact sensing member 15, the judgment can be made mechanically. In addition, by equipping the contact sensing member 15 with a light emitting device, the judgment can be made visually, and by equipping it with a sound device, the judgment can be made auditorily, so that not only the players but also the judges and spectators can make more accurate, instantaneous and clear judgments and decisions.

It can also be set up on a table or ping-pong table, so players can play while standing. This makes it a ball game similar to table tennis, with the ability to adjust the court area to allow for clear handicaps and judging, while also increasing the width of the racket swing up and down and adding the element of footwork. Also, depending on the height of the table and net, players can play while sitting on a chair or on their knees.

As a result, we can provide ball game equipment that allows many people to play fair, diverse, easy and safe games regardless of whether they are able-bodied or disabled, their age, gender, physique, experience or location.

FIG. 2 is an overall perspective view of the present invention during a game. 2 is an exploded perspective view of the ball game implement of FIG. 1, which is provided with a mechanism for assembling and disassembling the implement. FIG. FIG. 1 is an overall perspective view of an in-line body 2. FIG. FIG. 2 is a perspective view of the vertical outline body 1a of the present invention equipped with an expansion mechanism, in an expanded state. FIG. 2 is a perspective view of the vertical outline body 1a of the present invention equipped with an expansion mechanism, in a contracted state. FIG. 2 is an exploded perspective view of the vertical outline body 1a of the present invention having an expansion and contraction mechanism. FIG. 2 is a perspective view of the coat division body 3 of the present invention equipped with an extension mechanism, in an extended state. FIG. 2 is a perspective view of the coat division body 3 of the present invention equipped with an extension mechanism, in a contracted state. FIG. 2 is a perspective view of the vertical outline body 1a of the present invention with a folding mechanism, in an unfolded state. FIG. 2 is a perspective view of the vertical outline body 1a of the present invention having a folding mechanism, in a folded state. FIG. 2 is a perspective view of the coat division body 3 of the present invention with a folding mechanism, in an unfolded state. FIG. 2 is a perspective view of the coat division body 3 of the present invention, equipped with a folding mechanism, in a folded state. 4 is an overall perspective view of the ball game equipment of FIG. 3, which is provided with several mechanisms for assembling and disassembling each other, and has an out-area extension body 16. FIG. FIG. 14 is an overall perspective view of the coating area of FIG. 13 adjusted. FIG. 2 is a perspective view of a lateral outline body 1b of the present invention. This is an exploded perspective view showing a mechanism for assembling and disassembling the vertical outline body 1a, the horizontal outline body 1b and the out area extension body 16 of the present invention in several places. 1 is an exploded perspective view showing a vertical outline body 1a of the present invention and a court divided body 3, in which mechanisms are provided in several places to enable the vertical outline body 1a and the court divided body 3 to be assembled and disassembled to each other. FIG. 2 is a perspective view of a coat division body 3 of the present invention equipped with a height adjustment mechanism. FIG. 19 is an enlarged exploded perspective view of the height adjustment mechanism of FIG. 18 . FIG. 2 is a perspective view of a longitudinal outline body 1a of the present invention equipped with a touch sensing device. FIG. 1 is a top view of a square outline body 1 according to an embodiment of the present invention. This is a cross-sectional view taken along line AA in Figure 21. FIG. 1 is a top view of an outline body 1 according to an embodiment of the present invention, in which the outline body 1 is circular. FIG. 2 is a top view of an outline body 1 according to an embodiment of the present invention, which is opened around the upper side of a trapezoid as an axis.

Figure 1 is an overall assembled perspective view showing one embodiment of the present invention during a game. It shows the case where six outline bodies 1, a court division body 3, and a ready-made net supporter 8 and net 9 are used. The outline body 1 is composed of four vertical outline bodies 1a installed at right angles to the court division body 3 and two horizontal outline bodies 1b installed parallel to the court division body 3, and the vertical outline bodies 1a are attached to the court division body 3, and the horizontal outline bodies 1b are attached to the vertical outline body 1a. The net supporter 8 is attached to the court division body 3, and the net 9 is attached to the net supporter 8. The ball game equipment of the present invention is placed on the floor or on a stand.

Figure 2 is an exploded overall perspective view of the product described in claim 1. The structure is the same as that of Figure 1. The outline body 1 and the coat division body 3 are provided with a mechanism for assembling and disassembling each other. This makes it easy to transport and requires less storage space.

Figure 3 is a perspective view of the entire assembly according to claim 2, including the inline body 2. The inline body 2, which is provided with a mechanism for assembling and disassembling the outline body 1 and the court division body 3, is provided inside the court surrounded by the outline body 1, parallel to the vertical outline body 1a, near the center of the horizontal outline body 1b and the court division body 3. When playing while sitting using the ball game equipment of the present invention, the player cannot move his/her body, so the middle becomes a weak point, and the game becomes a middle vs. middle exchange, which becomes monotonous. In order to alleviate this, the inline body 2 is provided inside the court surrounded by the outline body 1, making it difficult to aim at the middle. This makes it difficult for balls to gather at the middle. As a rule when using the ball game equipment of the present invention, if a service or return ball hits the outline body 1, inline body 2, or out area extension body 16 of the opponent's court, a point is lost. The inline body 2 may have the same structure as the vertical outline body 1a.

Figure 4 is a perspective view of the vertical outline body 1a in an expanded state, which is one of the outline bodies 1 described in claim 3. Figure 5 is a perspective view of the vertical outline body 1a in a contracted state in Figure 4. Figure 6 is an exploded perspective view of the vertical outline body 1a in Figure 5. The outline body outer frame 12a is fitted into the outline body inner frame 11a, and the fixing member 4 is fitted into either one of the fixing member holes 5 provided in the outline body outer frame 12a and the fixing member hole 5 provided in the outline body inner frame 11a, thereby allowing the ball game equipment of the present invention described in claim 1 or claim 2 to be expanded or contracted. Since the vertical outline body 1a can be contracted when disassembled, the ball game equipment of the present invention becomes shorter in the longitudinal direction than when the ball game equipment of the present invention is installed, making it easier to transport and requiring less storage space. In addition, the expansion length can be adjusted by providing an area adjustment hole 18. The expansion and contraction mechanisms of the horizontal outline body 1b, the inline body 2, and the out-area expansion body 16 may be the same as those shown in Figure 6, or may be other expansion and contraction mechanisms.

Figure 7 is a perspective view of the coat division body 3 described in claim 3 in an extended state. Figure 8 is a perspective view of the coat division body 3 of Figure 7 in a contracted state. It is composed of a coat division body outer frame 32, a coat division body inner frame 31, a fixing member 4, and a fixing member hole 5, and can be expanded and contracted. This makes it easy to transport and requires less storage space, just like the vertical outline body 1a of Figure 5. The expansion and contraction mechanism may be the same as the vertical outline body 1a of Figure 6, or another expansion and contraction mechanism may be used.

Figure 9 is a perspective view of the vertical outline body 1a described in claim 4 in an unfolded state. Figure 10 is a perspective view of the vertical outline body 1a of Figure 9 in a folded state. The vertical outline body 1a can be folded by dividing it near the center, forming the outline body a frame 13a and the outline body b frame 14a, and fixing them with hinges 6 and screws 7. This makes it shorter in the longitudinal direction than the ball game equipment of the present invention described in claim 1 or claim 2, making it easier to transport and requiring less storage space. The folding mechanism of the horizontal outline body 1b, the inline body 2, and the out area extension body 16 may be the same as above, or may be another folding mechanism.

Fig. 11 is a perspective view of the court division body 3 in the unfolded state according to claim 4. Fig. 12 is a perspective view of the folded state of Fig. 11. The court division body 3 can be folded by dividing it near the center and forming each into a court division body a frame 33 and a court division body b frame 34, which are fixed with hinges 6 and screws 7. This makes it shorter in the longitudinal direction, similar to the vertical outline body 1a in Fig. 10, making it easier to transport and requiring less storage space.
Although the telescopic mechanism is explained using a telescopic/extending method and the folding mechanism is explained using a hinge method, other methods may be used.

In Example 2, the outline body 1a and the inline body 2 are divided into two parts, one for the player's own court and one for the opponent's court, by the court division body 3, but as this can be stretched or folded, it can also be a single part.

Figure 13 is an overall perspective view showing an embodiment in which two out-area extensions 16 are added to the ball game equipment in Figure 3 near the court division 3. The out-area extensions 16 are perpendicular to the vertical outline body 1a and parallel to the court division 3, and the outline body 1, in-line body 2, and out-area extensions 16 are provided with several mechanisms that can be assembled and disassembled. Since players sit down to play, they cannot move back and forth, and there are cases where they cannot reach the ball that bounces in the out-area near the court division 3 (shaded area in Figures 13 and 14). However, by installing the out-area extensions 16, balls near the court division 3 can be made out. This reduces the number of cases where players cannot reach the ball that bounces near the court division and cannot return it. In addition, by adding several mechanisms that can be assembled and disassembled, the court area and out-area can be adjusted.

Figure 14 is an overall perspective view when the court area is changed. With the court division body 3 as the center, the player's court is defined as the left side and the opponent's court as the right side. In the player's court (left side), if the outline body 1, in-line body 2, court division body 3 and out-area extension body 16 are assembled using the external assembly and disassembly mechanisms provided on each of them, the court area will be larger. On the other hand, in the opponent's court (right side), if the outline body 1, in-line body 2, court division body 3 and out-area extension body 16 are assembled using the internal assembly and disassembly mechanisms provided on each of them, the court area will be smaller. In addition, since the horizontal outline body 1b, court division body 3 and out-area extension body 16 are provided with several mechanisms near the center that can be assembled and disassembled with respect to each other, the position of the in-line body 2 can also be adjusted. This allows for a variety of court area adjustments, such as making the forehand side wider and the backhand side narrower, or by installing the in-line body 2 of the player's court and removing the in-line body 2 of the opponent's court. The dotted area in Figure 14 is a comparison when the outline body 1 is moved from the outside to the inside. The dotted area in Figure 6 is the area adjustment hole 18. By providing the area adjustment holes 18 in several places, it is also possible to adjust the court area.

Figure 15 is a perspective view of the lateral outline body 1b with a mechanism for assembly and disassembly. The structure of the out area extension body 16 described in claim 7 may also be the same.

Figure 16 is an exploded perspective view of the vertical outline body 1a, the horizontal outline body 1b, and the out-area extension body 16. The court area can be adjusted by providing several locations on the vertical outline body 1a, the horizontal outline body 1b, and the out-area extension body 16 with mechanisms that can engage with each other and assemble and disassemble them. The mechanisms that allow the horizontal outline body 1b and the in-line body 2 to assemble and disassemble with each other may also have the same structure.

Figure 17 is an exploded perspective view of the court division body 3 and the vertical outline body 1a equipped with mechanisms for assembling and disassembling them to each other. The court area can be adjusted by providing several locations on the court division body 3 and the vertical outline body 1a with mechanisms that can engage with each other and assemble and disassemble them to each other. The mechanisms for assembling and disassembling the court division body 3 and the in-line body 2 to each other may also have the same structure.

Fig. 18 is a perspective view showing an embodiment of the court division 3 equipped with the height adjustment mechanism described in claim 5. It is composed of the court division 3, a net supporter support 35 having a trapezoidal protrusion 36, and a fixing member 4. Fig. 19 is an enlarged exploded perspective view of Fig. 18. The height can be adjusted by sliding and engaging the trapezoidal protrusion 36 provided on the net supporter support 35 with a trapezoidal groove carved in the court division 3, engaging one of two fixing member holes 5 provided on the court division 3 with the fixing member hole 5 provided on the net supporter support 35, and fitting the fixing member 4. As a result, if the height of the net 9 or net substitute is low, the trajectory of the ball will also be low, resulting in a ball game with a sense of speed. If the height of the net 9 or net substitute is high, the trajectory of the ball will be high and the speed will be slow, making it easier to continue the rally.
Although the height adjustment mechanism has been described as a mechanism for adjusting the height stepwise, the height may be adjusted continuously.

Figure 20 is a perspective view showing one embodiment of the vertical outline body 1a equipped with the contact sensor device described in claim 6. The vertical outline body 1a is covered with a contact sensor member 15. A cord 10 transmits a contact-detected signal. This allows the ball to be mechanically determined to be out when it touches the contact sensor member 15. Any one or more of the horizontal outline body 1b, the inline body 2, or the out area extension body 16 may be equipped with a contact sensor device.

Figure 21 is a top view of an outline body 1 that is a square, showing one embodiment of the present invention.

Figure 22 is a cross-sectional view taken along line A-A in Figure 21. As one mechanism that can be assembled and disassembled, outline body 1a and outline body 1b are fixed together with bolt 17.

The structure of the mechanism that can be assembled and disassembled described in the present invention is not limited to this. For example, the mechanism that can be assembled and disassembled with respect to the outline body 1a and the outline body 1b shown in FIG. 13 may be upside down.

Figure 23 is a top view of an outline body 1 that is circular, showing one embodiment of the present invention.

Figure 24 is a top view of one embodiment of the present invention, showing the range of movement of the player's arms. By making the outline body 1 open around the top side of a trapezoid and attaching the out-area extension body 16 in a V-shape relative to the player, the range in which the player cannot reach the ball is reduced.

The cross-sectional shapes perpendicular to the longitudinal direction of the outline body 1, in-line body 2 and out area extension body 16 may be three-dimensional shapes (triangle, semicircle, cylinder, etc.) that change the trajectory of the ball to clearly determine whether the ball is in or out, and if the outline body 1, in-line body 2 and out area extension body 16 are equipped with a contact sensor, they may be in the shape of a thin tape. The shape of the court division body 3 is not limited to this and can be changed as needed. For example, if a net substitute such as a board is used instead of the net 9, it is sufficient that the shape can be placed on the court division body 3 and allowed to stand on its own.

The embodiment of the ball game equipment of the present invention described above is shaped like a table tennis table, but by changing the shape of the outline body 1, the inline body 2, the court dividing body 3 and the out area extension body 16, it is possible to implement a variety of modifications, such as a polygon, a circle as shown in Figure 22, or an asymmetric shape with the court dividing body 3 at the center.

The embodiments of the telescopic mechanism and folding mechanism of the ball game equipment of the present invention described above can also be made shorter by further breaking down one or more of the outline body 1, the inline body 2, the court dividing body 3, or the out area extension body 16 into smaller parts and providing telescopic mechanisms or folding mechanisms in several places.

By placing a flat board close to the size of the outline body 1 on the floor, table or ground, it is possible to play even if the tatami, carpet, table or ground is uneven. The board material is preferably the same as that used for table tennis tables, but this does not have to be the case as long as the ball bounces well enough to make playing possible.

The present invention is not limited to the structure and configuration of the above-described embodiment, and may be modified as appropriate without departing from the scope of the present invention. All modified embodiments should be construed as falling within the scope of the claims of the present invention.

1 Outline body 1a Vertical outline body 1b Horizontal outline body 11a Outline inner frame 12a Outline outer frame 13a Outline body a frame 14a Outline body b frame 2 Inline body 3 Court division body 31 Court division inner frame 32 Court division outer frame 33 Court division body a frame 34 Court division body b frame 35 Net supporter support 36 Protrusion 4 Fixing member 5 Fixing member hole 6 Hinge 7 Screw 8 Net supporter 9 Net 10 Cord 15 Contact sensing member 16 Out area extension body 17 Bolt 18 Area adjustment hole

Claims (7)

A tool for a ball game in which balls are hit back and forth,
An outline body to be placed on the floor or on a stand;
A court divider is provided to separate the player's court from the opponent's court.
A ball game implement characterized in that the outline body and the court dividing body are provided with mechanisms that enable them to be assembled and disassembled relative to each other. An inline body is provided inside the court surrounded by the outline body,
The inline body is provided with a mechanism for assembling and disassembling the outline body and the court division body.
2. The ball game implement according to claim 1. At least one of the outline body, the coat division body, and the inline body is provided with an expansion mechanism.
3. The ball game implement according to claim 1 or 2. At least one of the outline body, the coat divided body, and the inline body is provided with a folding mechanism.
3. The ball game implement according to claim 1 or 2. The coat division body is characterized in that it has a height adjustment mechanism.
3. The ball game implement according to claim 1 or 2. At least one of the outline body and the inline body is provided with a contact sensing device.
3. The ball game implement according to claim 1 or 2. an out-area extension body is provided in the vicinity of the court division body on the inside of the court surrounded by the outline body;
The outer area extension body is characterized in that one or more of the outline body and the inline body are provided with a mechanism for assembling and disassembling each other, an extension mechanism, a folding mechanism, or a contact sensing device.
3. The ball game implement according to claim 1 or 2.

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