WO2014115366A1 - けん玉 - Google Patents
けん玉 Download PDFInfo
- Publication number
- WO2014115366A1 WO2014115366A1 PCT/JP2013/074311 JP2013074311W WO2014115366A1 WO 2014115366 A1 WO2014115366 A1 WO 2014115366A1 JP 2013074311 W JP2013074311 W JP 2013074311W WO 2014115366 A1 WO2014115366 A1 WO 2014115366A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tip
- kendama
- detachable
- shaft portion
- detachable member
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/20—Games using a bat or racket with a ball or other body tethered thereto
- A63B67/205—Games using a bat or racket with a ball or other body tethered thereto the bat having one or more spigots for catching bodies having a bore, e.g. rings
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B59/00—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00
- A63B59/30—Bats, rackets, or the like, not covered by groups A63B49/00 - A63B57/00 forming hand-held throwing or catching aids for use with rings, discs, wheels or cylindrical throwing-bodies, or for use with balls having a central bore
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/10—Games with thread-suspended or swingably-mounted bodies, e.g. balls, pointed bodies shaped as birds, animals, or the like, for aiming at and hitting targets ; Games using tethered bodies, e.g. balls, not otherwise provided for
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/20—Games using a bat or racket with a ball or other body tethered thereto
- A63B67/22—Games using a bat or racket with a ball or other body tethered thereto the bat or racket having one or more holes or pockets therein, e.g. for catching or collecting the ball; the bat comprising a ring or cup having a handle
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B2071/0694—Visual indication, e.g. Indicia
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/806—Video cameras
Definitions
- the present invention relates to kendama.
- Kendama has long been enjoyed as a toy, but in recent years, the number of people who play kendama as a competition has increased.
- the kendama is composed of a kend 100, a ball 200, and a thread 300 (see, for example, Patent Document 1).
- FIG. 17 is a front view showing a conventional kendama that has conventionally existed.
- the tendon 100 has a cruciform shape in a front view composed of a rod-shaped tendon shaft 110 and a drum-shaped dish cylinder 120.
- a portion 111 protruding upward from the dish cylinder 120 in the stylus shaft 110 is called a “tip”, and the ball 200 is provided with a hole 210 for piercing the tip 111.
- a platter 121 is provided on one end surface of the plate cylinder 120, a small plate 122 is provided on the other end surface of the plate cylinder 120, and an intermediate plate 116 is provided on the lower end surface of the shaft 110, and these platter 121, small plate 122, and The ball 200 can be received by the inner plate 116.
- the Kendama Association of Japan which hosts various kendama competitions, has certified the kendama of the form shown in FIG. 17 as official.
- the conventional kendama has a problem that the tip of the tip 111 is easily worn by an impact received from the ball 200 or the like. For this reason, those who play kendama in the competition need to replace the kendama itself even if the tip 111 is worn and there is no particular problem in the other parts, which is uneconomical.
- the difficulty level of the kendama technique (in particular, the difficulty level of a rotating technique that rotates the soap 110 with the ball 200 as in an “airplane”) depends on the weight balance of the kendama 110 and the like.
- the weight balance of the kend 110 cannot be adjusted, and the difficulty of a specific technique cannot be increased or decreased.
- FIG. 1 of Patent Document 2 describes a kendama tool set that allows various bits to be attached to a chuck (8) provided at the tip of a bit mounting portion (7).
- the bit to be attached to the chuck (8) is intended to be replaced when used as a tool, such as a plus screwdriver bit or minus screwdriver bit, and corresponds to a tip when used as a kendama. It is not intended to replace parts.
- FIG. 1 of Patent Document 3 a ball play equipment is proposed in which a ball support (c) is screwed onto the upper end of a handle (c).
- the tip corresponds to the tip bar (re) provided at the lower end of the handle (chi), and the point bar (re) is detachable. Is not described at all.
- FIG. 3 of Patent Document 4 describes a kendama having a structure in which a corner (7) is fitted in the center of the upper surface of the dish cylinder.
- the corner (7) may come off when the ball (1) hits the corner (7).
- Patent Document 4 does not describe exchanging the corner (7) with another one.
- the drawing of Patent Document 5 describes a ball toy having a structure in which a tip (6) is screwed into the center of the upper surface of a drum-shaped ball bearing (1).
- Patent Document 5 does not describe any replacement of the tip (6) with another one. Therefore, even in the kendama of Patent Documents 2 to 5, the weight balance of the tendon cannot be adjusted.
- JP 2002-346011 A Japanese Utility Model Publication No. 01-132383 Japanese Utility Model Publication No. 03-007398 JP 2002-360754 A Japanese Utility Model Publication No. 12-016699
- the present invention has been made to solve the above problems, (1) When the tip is worn, replace only the tip. (2) Adjust the weight balance of the tendon. (3) Develop innovative new techniques that differ greatly from existing techniques. Kendama that can be used.
- a tender composed of a tender shaft and a plate cylinder, A ball having a hole for piercing the tip protruding above the dish cylinder in the shaft;
- the tip of the tip is a detachable member that can be attached to and detached from the base end of the tip, This problem can be solved by providing a kendama having a plurality of detachable members exchangeable as the detachable members.
- the plurality of detachable members may all be the same (for replacement when wear occurs on the first detachable member).
- at least two attachment / detachment members among the plurality of attachment / detachment members are different in any one or more items of weight, shape, and color. Accordingly, it is possible to change the difficulty level of the kendama technique or perform a new technique by adjusting the weight balance of the tendon or changing the shape or color of the tendon.
- At least one attaching / detaching member among the plurality of attaching / detaching members is used to make the tip of the tip to be hemispherical or conical.
- this shape of the detachable member may be referred to as a “standard detachable member”.
- At least one attaching / detaching member among the plurality of attaching / detaching members is configured so that the tip of the tip has a truncated cone shape (a shape in which the top of the standard attaching / detaching member is crushed).
- this shape of the detachable member may be referred to as a “collapsed detachable member”.
- At least one attaching / detaching member among the plurality of attaching / detaching members is used to form a slit groove for hooking a thread to the tip of the tip.
- this shape of the detachable member may be referred to as a “slit groove type detachable member”.
- At least one detachable member among the plurality of detachable members is used to form a thread hole for tying a thread to the tip of the tip.
- this shape of the detachable member may be referred to as a “threadhole-type detachable member”.
- At least one attaching / detaching member among the plurality of attaching / detaching members is used to connect the tip of another kendama to the tip of the tip.
- the detachable member having this shape may be referred to as a “connected detachable member”.
- At least one detachable member among the plurality of detachable members is used for attaching a small camera to the tip of the tip.
- this shape of the detachable member may be referred to as a “camera built-in detachable member”.
- the standard type, crush type, slit groove type, thread hole type, connection type and camera built-in type detachable members will be described in detail later.
- the detachable member is not particularly limited as long as the detachable member can be attached to the base end portion of the tip in a detachable state.
- an insertion hole is provided in the distal end surface of the proximal end portion of the tip, and that the detachable member is provided with a shaft portion for being inserted into the insertion hole.
- the shaft portion of the detachable member is provided with a retaining portion in which an elastic protrusion is formed in an annular shape along the outer peripheral surface of the shaft portion.
- a shaft portion is provided on the distal end surface of the tip end portion of the tip, and the detachable member is provided with a fitting hole for fitting the shaft portion.
- a screw groove for screwing with the outer peripheral surface of the shaft portion at the proximal end portion of the tip is provided on the inner peripheral surface of the fitting insertion hole of the detachable member.
- the length of the shaft portion is changed without changing the material of the detachable member or the shape of the portion (head) that appears outside when attached to the tip of the detachable member (see FIGS. 2 and 5). It is also possible to change the weight of the detachable member only by referring to the reference numeral 112b).
- the fitting ball is accommodated in the fitting insertion hole.
- a weight member see reference numeral 400 in FIG. 6 for adjusting the previous weight. Thereby, the weight of the tip can be changed and the weight balance of the tendon can be adjusted by selecting the presence / absence of the weight member and the type and number of the weight members accommodated in the fitting insertion holes.
- the weight member may vibrate inside the insertion hole, which may cause problems such as abnormal noise and unstable weight balance of the tendon.
- a cushion material (see reference numeral 500 in FIG. 6) is accommodated in the bottom of the insertion hole.
- the kendama of the present invention is an enlarged view showing a state in which standard attachment / detachment members having different shaft sizes are attached to the tip of the tip.
- the kendama of this invention it is the enlarged view which showed a mode that a weight member was accommodated in the fitting insertion hole provided in the base end part of the tip. It is a figure explaining the change of the difficulty of the technique by the change of the weight balance of the ken when performing the technique of "Landing on the moon”. It is a figure explaining the change of the difficulty of the technique by the change of the weight balance of a ken when performing the technique of "airplane”.
- the kendama of the present invention is an enlarged view showing a state in which a thread hole type detachable member is attached to the tip of the tip.
- it is an enlarged view showing a state where a connecting type detachable member is attached to the tip of the tip. It is the figure which attached the connecting type attachment or detachment member to the tip, and showed the state which connected the tip of two kendama.
- it is an enlarged view showing a state in which a camera built-in detachable member is attached to the tip of the tip. It is the front view which showed the general kendama which existed conventionally.
- it is an enlarged view showing a state in which a standard detachable member having a fitting insertion hole provided with a screw groove is attached to the tip of the tip.
- FIG. 1 is a front view showing a kendama with a standard attachment / detachment member 112 attached to a tip 111.
- the kendama according to the present embodiment includes a tendon 100, a ball 200, and a thread 300.
- the soap 100 and the ball 200 are connected by a thread 300.
- the tendon 100 includes a tender shaft 110 and a dish cylinder 120, and the ball 200 is provided with a hole 210 for piercing the tip 111 protruding above the dish cylinder 120 on the tendon shaft 110.
- the tip of the tip 111 is a detachable member 112 that can be attached to and detached from the base end of the tip 111.
- the kendama of this embodiment includes, as the detachable member 112, a standard detachable member 112 (FIG. 2), a collapsible detachable member 112 (FIG. 10), a slit groove-shaped detachable member 112 (FIG. 11), a thread
- a hole-type attaching / detaching member 112 (FIG. 13), a connection-type attaching / detaching member 112 (FIG. 14), and a camera built-in attaching / detaching member 112 (FIG. 16).
- These six types of detachable members 112 are interchangeable. These six types of detachable members 112 will be described in detail later.
- These six types of attachment / detachment members 112 are examples, and some of the attachment / detachment members 112 may be omitted, or attachment members 112 other than the above six types may be added.
- the thread hole 123 for fastening the thread 300 to the soap 100 side may be provided slightly above the center in the vertical width direction of the dish cylinder 120 as in the general kendama shown in FIG.
- the kendama is provided at a position in contact with the root of the tip 111 in the dish cylinder 120.
- the thread hole 123 is provided at a position in contact with the root of the tip 111 in the dish cylinder 120.
- the standard attachment / detachment member 112 includes a hemispherical head portion 112a and a shaft portion 112b extending downward from the head portion 112a.
- FIG. 2 is an enlarged view showing a state where the standard detachable member 112 is attached to the tip of the tip 111.
- the tip 111 is drawn as a cross section cut along a plane passing through the central axis (the same applies to FIGS. 3 to 6, 10, 11, 13, 14, and 16).
- a general kendama approved by the Japan Kendama Association has a hemispherical (or conical) tip of the tip 111, but a standard detachable member 112 is attached to the tip 111. Then, the tip of the tip becomes hemispherical, and the kendama can be used as a general kendama as shown in FIG. Since it is considered that the standard attachment / detachment member is most frequently used and easily worn, it is preferable to prepare a plurality of standard attachment / detachment members.
- the head portion 112 a is a portion exposed to the outside after the detachable member 112 is mounted on the tip 111. For this reason, the head 112a is usually the same color as the tip 111, but it is also preferable to prepare a plurality of types with different colors as shown in FIG.
- FIG. 3 is an enlarged view showing a state in which standard attachment / detachment members 112 of different colors are attached to the tip of the tip 111. This makes it possible to change the difficulty level of the kendama technique by changing the color of the head 112a.
- the head 112a has a conspicuous color such as red, it is possible to make the head 112a more conspicuous than the other parts and to make it easier to succeed in the technique of inserting the tip 111 into the hole 210 of the ball 200. Become.
- the material of the head 112a is not particularly limited as long as it has a strength necessary for the tip of the tip 111.
- Examples of the material of the head portion 112a include resin, rubber, metal, and wood. Even if the head 112a is formed of a material that easily wears, such as wood, the kendama of the present embodiment can be maintained by replacing only the detachable member 112, so there is no particular problem. In the kendama of this embodiment, the head 112a of the detachable member 112 is only made of a polyethylene resin that is inexpensive and easy to mold.
- the shaft portion 112 b is a portion for fitting into the fitting insertion hole 111 a provided on the tip surface of the tip 111 so that the detachable member 112 can be attached to the tip 111.
- the shaft portion 112b is not particularly limited as long as the shaft portion 112b has a structure that can be fitted and fixed in the fitting hole 111a.
- the insertion hole 111 a is a screw hole, and a screw thread 112 d is provided on the outer peripheral surface of the shaft portion 112 b, so that the detachable member 112 can be screwed to the tip portion of the tip 111. It is also possible to do so.
- FIG. 4 is a screw hole, and a screw thread 112 d is provided on the outer peripheral surface of the shaft portion 112 b, so that the detachable member 112 can be screwed to the tip portion of the tip 111. It is also possible to do so.
- FIG. 4 is an enlarged view showing a state in which a standard detachable member 112 having a shaft portion provided with a thread 112d is attached to the tip portion of the tip 111.
- FIG. 4 when the screwed structure shown in FIG. 4 is adopted, the shape of the patterned standard detachable member 112c or the head 112a is different in the case of the non-patterned standard detachable member 112.
- the shaft part 112b is screwed into the insertion hole 111a.
- the head 112a may not be directed in a desired direction.
- the shaft portion 112b has the following structure.
- the shaft portion 112b is not provided with a screw thread, but is provided with a retaining portion 112c instead.
- the insertion hole 111a is not a screw hole.
- the retaining portion 112c is an elastic protrusion formed in an annular shape along the outer peripheral surface of the shaft portion 112b. When the shaft portion 112b is inserted into the insertion hole 111a, the inner peripheral surface of the insertion hole 111a.
- the shaft portion 112b is a portion for preventing the shaft portion 112b from coming out of the insertion hole 111a.
- the retaining portion 112c is usually formed of an elastic material such as rubber.
- the retaining portion 112c can be formed integrally with the shaft portion 112b.
- the retaining portion 112c is a separate body from the shaft portion 112b.
- the retaining portion 112c is provided by being externally fitted to the shaft portion 112c or by integrally molding another material with respect to the shaft portion 112c.
- a groove is provided in an annular shape on the outer peripheral surface of the shaft portion 112b and the retaining portion 112c is positioned at this portion, it is possible to prevent the retaining portion 112c from coming off from the shaft portion 112b.
- vertical to the longitudinal direction of the axial part 112b and the fitting insertion hole 111a is made into the perfect circle.
- the cross-sectional shapes of the shaft portion 112b and the fitting insertion hole 111a are polygonal or It may be non-circular such as an ellipse.
- the material of the shaft portion 112b is not particularly limited as long as it has a necessary strength.
- Examples of the material of the shaft portion 112b include resin, rubber, metal, and wood.
- the shaft portion 112b may be formed of the same material as the head portion 112a, or may be formed of a different material.
- the standard detachable member 112 has a shaft portion 112b of a lightweight type formed of polyethylene, a medium amount type formed of acrylonitrile butadiene styrene (ABS) resin, and a polyoxymethylene resin ( Three types of weight type formed with Duracon (registered trademark) are prepared.
- the shaft portion 112b can be made heavier by forming the shaft portion 112b with metal, or by embedding a heavy material such as metal in the shaft portion 112b.
- the weight of the tip portion of the tip 111 can be adjusted by preparing a plurality of types having different weights of the shaft portion 112b.
- the weight of the tip portion of the tip 111 can be adjusted by preparing a plurality of types having different dimensions such as the length of the shaft portion 112b as shown in FIG. It is.
- FIG. 5 is an enlarged view showing a state in which the standard detachable member 112 having a different dimension of the shaft portion 112 b is attached to the tip portion of the tip 111.
- the weight of the tip of the tip 111 can be adjusted by accommodating the weight member 400 in the insertion hole 111a as shown in FIG.
- FIG. 6 is an enlarged view showing a state in which the weight member 400 is accommodated in the fitting insertion hole 111 a provided in the proximal end portion of the tip 111.
- the weight member 400 is accommodated in the insertion hole 111a as it is, the weight member 400 vibrates inside the insertion hole 111a, and abnormal noise is generated or the weight balance of the tendon 110 is not stable. Therefore, it is preferable that the cushion material 500 is accommodated in the bottom of the insertion hole 111a.
- FIG. 18 is an enlarged view showing a state in which the standard detachable member 112 having the fitting insertion hole 112i provided with the screw groove 112j is attached to the tip portion of the tip 111.
- FIG. 18 when the screw groove 112j for screwing to the outer peripheral surface of the shaft portion 111b is provided on the inner peripheral surface of the fitting insertion hole 112i, the detachable member 112 can be screwed to the tip 111. Become. At this time, a screw rod is used for the shaft portion 111b.
- the kendama of the present embodiment may be the same type of detachable member 112 (for example, the same standard type of detachable member 112), or the material and dimensions of the head portion 112a and the shaft portion 112b.
- the weight balance of the tendon 100 can be adjusted by selecting the presence or absence of the weight member 500 and the type thereof and changing the weight of the tip 111. For this reason, even if it does not change the kendama to be used, it is possible to change the difficulty level of a specific technique only by selecting the detachable member 112 or the weight member to be used.
- a change in the difficulty level of the technique due to a change in the weight balance of the ken will be described with a specific example.
- FIG. 7 is a diagram for explaining a change in the difficulty level of the technique due to a change in the weight balance of the ken 100 when performing “landing on the moon”.
- FIG. 8 is a diagram for explaining a change in the difficulty level of the technique due to a change in the weight balance of the ken 100 when the technique “airplane” is performed.
- FIG. 9 is a diagram illustrating a change in the difficulty level of the technique due to a change in the weight balance of the ken 100 when the technique “lighthouse” is performed.
- the tip 111 is heavy, the center of gravity of the tendon 100 is at a high position, so that the posture of the tendon 100 being pulled up becomes unstable. For this reason, the technique becomes difficult to succeed.
- the tip 111 is light, the center of gravity of the tendon 100 is at a low position, and the posture of the tendon 100 being pulled up is stabilized. This makes it easier for the technique to succeed.
- the kendama of this embodiment it is also possible to change the difficulty level of techniques other than the above-mentioned “moon landing”, “airplane” and “lighthouse”.
- the kendama of this embodiment can be enjoyed by changing the difficulty level of the technique.
- the weight of the tip of the tip 111 (the total weight of the detachable member 112 and the weight member 400) can be adjusted to, but usually two or more, preferably three or more. On the other hand, it is at most 10 to 20 steps.
- the adjustment range of the weight of the tip portion (detachable member 112) of the tip 111 is not particularly limited, but is usually 1 to 100 g, preferably 3 to 50 g, and more preferably 5 to 20 g. Further, the adjustment range of the weight of the tip of the tip 111 (how many g can be adjusted) is not particularly limited, but is usually 0.5 g or more, and preferably 1 g or more. Both are set to 50-100g increments.
- FIG. 10 is an enlarged view showing how the collapsible attachment / detachment member 112 is attached to the tip of the tip 111.
- the collapsible attachment / detachment member 112 has a head portion 112a formed in a truncated cone shape.
- the head 112a of the collapsible attachment / detachment member 112 has a shape in which the top of the head 112a (see FIG. 2) of the standard attachment / detachment member 112 is crushed.
- the tip of the tip 111 can be shaped like a truncated cone. For this reason, a technique for placing the ball 200 on the tip of the tip 111, a technique for placing the tip 110 upside down on the ball 200 (a technique for placing the tip of the tip 111 on the ball 200), a hand or a finger It is possible to perform a new technique that could not be achieved with a general kendama, such as a technique of placing the ken 100 upside down (a technique of placing the tip of the tip 111 on the hand or finger).
- the crush-type attaching / detaching member 112 has a top portion recessed in a spherical shape with the same radius of curvature as that of the ball 200, so that the portion can easily receive the ball 200.
- Other configurations that are not particularly mentioned here, such as the structure of the shaft portion 112b in the collapsible attachment / detachment member 112 and the material of each part, are the same as those of the standard attachment / detachment member 112 described above, and thus the description thereof is omitted.
- FIG. 11 is an enlarged view showing a state in which the slit groove type detachable member 112 is attached to the tip of the tip 111.
- FIG. 12 is a diagram showing a state in which a technique is performed using a kendama in which a slit groove-type detachable member 112 is attached to the tip 111.
- the slit groove-type attaching / detaching member 112 has a head 112a provided with a slit groove 112e.
- the slit groove 112e is provided from the front side to the back side of the head 112a along the upper surface of the head 112a.
- the thread 300 can be hooked in the slit groove 112e, and a new technique using this can be performed.
- the structure of the shaft groove 112b in the slit groove type attaching / detaching member 112 and the configuration of the slit groove type attaching / detaching member 112, such as the material of each part, are not particularly mentioned, it is the same as the standard attaching / detaching member 112. Omit.
- the slit groove type attaching / detaching member 112 may be a hybrid type combined with the crushing type attaching / detaching member 112.
- FIG. 13 is an enlarged view showing a state in which the thread hole type detachable member 112 is attached to the tip of the tip 111.
- the thread hole type attaching / detaching member 112 is provided with a thread hole 112f penetrating the head 112a from one side to the other.
- the thread 300 can be tied into the thread hole 112f in a ring shape.
- Kendama can be enjoyed with a sense different from that of kendama (FIG. 17). It is also possible to do new tricks with kendama.
- the structure of the shaft portion 112b of the thread hole type attaching / detaching member 112 and the configuration of the parts that do not particularly refer to the thread hole type attaching / detaching member 112, such as the material of each part, are the same as the standard attaching / detaching member 112. Omit.
- the thread hole type attaching / detaching member 112 may be a hybrid type combined with a collapsible attaching / detaching member 112 or a slit groove attaching / detaching member 112.
- FIG. 14 is an enlarged view showing a state in which the connecting / detaching member 112 is attached to the tip of the tip 111.
- FIG. 15 is a view showing a state in which the connecting type detachable member 112 is attached to the tip 111 and the two tips 111 are connected to each other.
- the tip 111 is drawn as a cross section cut along a plane passing through the central axis.
- the connecting type attaching / detaching member 112 has a structure in which a shaft portion 112b is extended to a portion corresponding to the head portion 112a (FIG.
- connection type attachment / detachment member 112 since the structure that does not particularly refer to the connection type attachment / detachment member 112, such as the structure of the shaft portion 112b in the connection type attachment / detachment member 112 and the material of each part, is the same as the standard attachment / detachment member 112, the description thereof is omitted. To do.
- FIG. 16 is an enlarged view showing a state in which the camera built-in detachable member 112 is attached to the tip of the tip 111.
- the built-in camera detachable member 112 has a small camera 112g built in its head 112a, and can shoot a video with the top of the head 112a as a viewpoint. It has become a thing. This makes it possible to shoot kendama skills from a new perspective that has never been seen before.
- a cable 112h for supplying power to the small camera 112g or outputting moving image data taken by the small camera 112g is drawn out from the lower end of the small camera 112g.
- the cable 112h passes through the shaft portion 112b of the detachable member 112 and is accommodated in the fitting insertion hole 111a.
- a power source (not shown) for supplying power to the small camera 112g and a memory (not shown) for storing moving image data taken by the small camera 112g are provided in a hollow portion provided in the shaft 110 or the plate cylinder 120. Can be accommodated.
- the camera built-in attachment / detachment member 112 may be a hybrid type combined with a crushing attachment / detachment member 112, a slit groove attachment / detachment member 112, and a thread hole attachment / detachment member 112.
- Thread 110 Threaded shaft 111 Tip 111a Insertion hole 111b Shaft part 112 Detachable member 112a Head part 112b Shaft part 112c Retaining part 112d Screw thread 112e Slit groove 112f Thread hole 112g Small camera 112h Cable 112i Insertion hole 112j Screw groove 114j Threading 115 Non-slip 116 Medium dish 116a Middle dish edge 120 Drum cylinder 121 Large dish 121a Large dish edge 122 Small dish 122a Small dish edge 123 Yarn hole 200 Ball 210 Hole 300 Yarn 400 Weight member 500 Cushion material
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Abstract
Description
(1)けん先が摩耗した場合にけん先のみを交換する。
(2)けんの重量バランスなどを調節する。
(3)既存の技とは大きく異なる斬新な新しい技を開発する。
ことのできるけん玉を提供するものである。
けん軸と皿胴とで構成されたけんと、
けん軸における皿胴よりも上側に突き出たけん先を刺し通すための穴を有する玉と、
けんと玉とを結ぶ糸と
を備えたけん玉において、
けん先の先端部が、けん先の基端部に対して着脱可能な着脱部材とされ、
該着脱部材として、互いに交換可能な複数の着脱部材が備えられたことを特徴とするけん玉
を提供することによって解決される。
(1)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部を半球状又は円錐状とするためのものにする。以下においては、この形状の着脱部材を「標準型の着脱部材」と呼ぶことがある。
(2)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部を截頭円錐台状(標準型の着脱部材の頂部を潰した形状)とするためのものにする。以下においては、この形状の着脱部材を「潰れ型の着脱部材」と呼ぶことがある。
(3)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部に糸を引っ掛けるためのスリット溝を形成するためのものにする。以下においては、この形状の着脱部材を「スリット溝型の着脱部材」と呼ぶことがある。
(4)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部に糸を結ぶための糸穴を形成するためのものにする。以下においては、この形状の着脱部材を「糸穴型の着脱部材」と呼ぶことがある。
(5)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部に他のけん玉のけん先を連結するためのものにする。以下においては、この形状の着脱部材を「連結型の着脱部材」と呼ぶことがある。
(6)複数の着脱部材のうち少なくとも1つの着脱部材を、けん先の先端部に小型カメラを取り付けるためのものにする。以下においては、この形状の着脱部材を「カメラ内蔵型の着脱部材」と呼ぶことがある。
これら標準型、潰れ型、スリット溝型、糸穴型、連結型及びカメラ内蔵型の着脱部材については、後で詳しく説明する。
(1)けん先が摩耗した場合にけん先のみを交換する。
(2)けんの重量バランスなどを調節する。
(3)既存の技とは大きく異なる斬新な新しい技を開発する。
ことのできるけん玉を提供することが可能になる。
図1は、けん先111に標準型の着脱部材112を取り付けたけん玉を示した正面図である。本実施態様のけん玉は、図1に示すように、けん100と、玉200と、糸300とで構成されている。けん100と玉200は、糸300によって結ばれている。けん100は、けん軸110と皿胴120とで構成されており、玉200には、けん軸110における皿胴120よりも上側に突き出たけん先111を刺し通すための穴210が設けられている。けん先111の先端部は、けん先111の基端部に対して着脱可能な着脱部材112となっている。
以下、上記6種類の着脱部材112について順に説明する。まず、標準型の着脱部材112について説明する。標準型の着脱部材112は、図2に示すように、半球状に形成された頭部112aと、頭部112aから下側に延びる軸部112bとを備えたものとなっている。図2は、標準型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。図2において、けん先111は、その中心軸を通る平面で切断した断面として描いている(図3~6,10,11,13,14,16についても同様である。)。日本けん玉協会が公式のものとして認定している一般的なけん玉は、けん先111の先端部が半球状(又は円錐状)となっているが、標準型の着脱部材112をけん先111に装着すると、けん先の先端部が半球状となり、けん玉を図17に示すような一般的なけん玉として使用することが可能になる。標準型の着脱部材は、最も使用頻度が高く、摩耗しやすいと考えられるため、複数個を用意しておくと好ましい。
次に、潰れ型の着脱部材112について説明する。図10は、潰れ型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。潰れ型の着脱部材112は、図10に示すように、その頭部112aが截頭円錐台状に形成されたものとなっている。換言すると、潰れ型の着脱部材112の頭部112aは、標準型の着脱部材112の頭部112a(図2を参照)の頂部を潰した形状となっている。潰れ型の着脱部材112をけん先111に装着すると、けん先111の先端部を截頭円錐台状とすることができる。このため、けん先111の先端部に玉200を載せる技や、玉200の上にけん110を逆さに立てる技(玉200の上にけん先111の先端部を載せる技)や、手や指の上にけん100を逆さに立てる技(手や指の上にけん先111の先端部を載せる技)など、一般的なけん玉ではできなかった新しい技を行うことが可能になる。本実施態様のけん玉において、潰れ型の着脱部材112は、その頂部が玉200と同じ曲率半径で球面状に窪まされており、その部分で玉200を受けやすくしている。その他、潰れ型の着脱部材112における軸部112bの構造や、各部の材料など、ここで特に言及しない構成は、上記の標準型の着脱部材112と同様であるために、説明を割愛する。
次に、スリット溝型の着脱部材112について説明する。図11は、スリット溝型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。図12は、けん先111にスリット溝型の着脱部材112を取り付けたけん玉を用いて技を行っている様子を示した図である。スリット溝型の着脱部材112は、図11に示すように、その頭部112aにスリット溝112eが設けられたものとなっている。スリット溝112eは、頭部112aの上面に沿って頭部112aの正面側から背面側に設けられている。これにより、図12に示すように、スリット溝112eに糸300を引っ掛けることが可能になり、これを応用した新しい技を行うことが可能になる。その他、スリット溝型の着脱部材112における軸部112bの構造や、各部の材料など、スリット溝型の着脱部材112について特に言及しない構成は、標準型の着脱部材112と同様であるために、説明を割愛する。スリット溝型の着脱部材112は、潰れ型の着脱部材112と組み合わせたハイブリッド型とすることもできる。
次に、糸穴型の着脱部材112について説明する。図13は、糸穴型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。糸穴型の着脱部材112は、図13に示すように、その頭部112aを一方から他方へ貫通する糸穴112fが設けられたものとなっている。この糸穴112fには、図13における右側の図に示すように、糸300を輪状に結ぶことができる。このように、糸300のけん100側の端部を、けん先111に設けた糸穴112fに固定することにより、糸300のけん100側の端部が皿胴120に固定された一般的なけん玉(図17)とは異なる感覚でけん玉を楽しむことが可能になる。また、けん玉で新しい技を行うことも可能になる。その他、糸穴型の着脱部材112における軸部112bの構造や、各部の材料など、糸穴型の着脱部材112について特に言及しない構成は、標準型の着脱部材112と同様であるために、説明を割愛する。糸穴型の着脱部材112は、潰れ型の着脱部材112やスリット溝型の着脱部材112と組み合わせたハイブリッド型とすることもできる。
次に、連結型の着脱部材112について説明する。図14は、連結型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。図15は、けん先111に連結型の着脱部材112を取り付けて2つのけん玉のけん先111同士を連結した状態を示した図である。図15において、けん先111周辺を拡大して描いた部分では、けん先111は、その中心軸を通る平面で切断した断面として描いている。連結型の着脱部材112は、図14に示すように、標準型の着脱部材112における頭部112a(図2)に相当する部分まで軸部112bが延長された構造となっており、その軸部112bを嵌挿穴11aに嵌挿した際に、嵌挿穴111aから軸部112bの上半分が突き出る形状となっている。このため、図15に示すように、一のけん玉におけるけん先111の先端部に、他のけん玉におけるけん先の先端部を連結することが可能となっている。したがって、一般的なけん玉では行うことのできない新しい技を行うことが可能となっている。その他、連結型の着脱部材112における軸部112bの構造や、各部の材料など、連結型の着脱部材112について特に言及しない構成は、標準型の着脱部材112と同様であるために、説明を割愛する。
最後に、カメラ内蔵型の着脱部材112について説明する。図16は、カメラ内蔵型の着脱部材112をけん先111の先端部に取り付ける様子を示した拡大図である。カメラ内蔵型の着脱部材112は、図16に示すように、その頭部112aに小型カメラ112gが内蔵されたものとなっており、頭部112aの頂部を視点とした動画を撮影することができるものとなっている。これにより、今までにない新しい視点でけん玉の技を撮影することが可能になる。小型カメラ112gの下端部からは、小型カメラ112gに電力を供給するため、あるいは小型カメラ112gが撮影した動画データを出力するためのケーブル112hが引き出されている。ケーブル112hは、着脱部材112の軸部112bを貫通して、嵌挿穴111aに収容される。小型カメラ112gに電力を供給するための電源(図示省略)や小型カメラ112gが撮影した動画データを格納するためのメモリ(図示省略)は、けん軸110や皿胴120に設けられた空洞部に収容することができる。その他、カメラ内蔵型の着脱部材112における軸部112bの構造や、各部の材料など、カメラ内蔵型の着脱部材112について特に言及しない構成は、標準型の着脱部材112と同様であるために、説明を割愛する。カメラ内蔵型の着脱部材112は、潰れ型の着脱部材112やスリット溝型の着脱部材112や糸穴型の着脱部材112の着脱部材112と組み合わせたハイブリッド型とすることもできる。
110 けん軸
111 けん先
111a 嵌挿穴
111b 軸部
112 着脱部材
112a 頭部
112b 軸部
112c 抜け止め部
112d 螺子山
112e スリット溝
112f 糸穴
112g 小型カメラ
112h ケーブル
112i 嵌挿穴
112j 螺子溝
114 けんじり
115 滑り止め
116 中皿
116a 中皿のふち
120 皿胴
121 大皿
121a 大皿のふち
122 小皿
122a 小皿のふち
123 糸穴
200 玉
210 穴
300 糸
400 ウエイト部材
500 クッション材
Claims (13)
- けん軸と皿胴とで構成されたけんと、
けん軸における皿胴よりも上側に突き出たけん先を刺し通すための穴を有する玉と、
けんと玉とを結ぶ糸と
を備えたけん玉において、
けん先の先端部が、けん先の基端部に対して着脱可能な着脱部材とされ、
該着脱部材として、互いに交換可能な複数の着脱部材が備えられたことを特徴とするけん玉。 - 複数の着脱部材のうち少なくとも2つの着脱部材が、重さ、形状又は色彩のうちいずれか1つ以上の項目において異なっている請求項1記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部を半球状又は円錐状とするためのものである請求項1又は2記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部を截頭円錐台状とするためのものである請求項1~3いずれか記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部に糸を引っ掛けるためのスリット溝を形成するためのものである請求項1~4いずれか記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部に糸を結ぶための糸穴を形成するためのものである請求項1~5いずれか記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部に他のけん玉のけん先を連結するためのものである請求項1~6いずれか記載のけん玉。
- 複数の着脱部材のうち少なくとも1つの着脱部材が、けん先の先端部に小型カメラを取り付けるためのものである請求項1~7いずれか記載のけん玉。
- けん先の基端部の先端面に嵌挿穴が設けられ、
着脱部材が前記嵌挿穴に嵌挿するための軸部を備えた
請求項1~8いずれか記載のけん玉。 - 着脱部材の前記軸部に、該軸部の外周面に沿って弾性突起を環状に形成した抜け止め部が設けられた請求項9記載のけん玉。
- けん先の基端部の先端面に軸部が設けられ、
着脱部材が前記軸部を嵌挿するための嵌挿穴を備えた
請求項1~8いずれか記載のけん玉。 - 着脱部材の前記嵌挿穴の内周面に、けん先の基端部における前記軸部の外周面に螺合するための螺子溝を設けた請求項11記載のけん玉。
- 前記嵌挿穴の内部に収容してけん先の重量を調節するためのウエイト部材を備えた請求項9~12いずれか記載のけん玉。
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JP2014558431A JP6557471B2 (ja) | 2013-01-28 | 2013-09-10 | けん玉 |
EP13872964.5A EP2853297A4 (en) | 2013-01-28 | 2013-09-10 | kendama |
US14/408,162 US20150314181A1 (en) | 2013-01-28 | 2013-09-10 | Kendama |
CN201380032319.6A CN104619383A (zh) | 2013-01-28 | 2013-09-10 | 剑球 |
HK15110679.0A HK1209676A1 (en) | 2013-01-28 | 2015-10-29 | Kendama |
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EP (1) | EP2853297A4 (ja) |
JP (1) | JP6557471B2 (ja) |
CN (1) | CN104619383A (ja) |
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JP2016059789A (ja) * | 2015-04-23 | 2016-04-25 | 株式会社バンダイ | 剣玉玩具 |
JP2018000742A (ja) * | 2016-07-06 | 2018-01-11 | 公益社団法人日本けん玉協会 | けん玉 |
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USD754259S1 (en) * | 2015-02-02 | 2016-04-19 | Benjamin James Mcphee | Kendama toy |
WO2019111162A1 (en) * | 2017-12-06 | 2019-06-13 | Board & Batten International Inc. | A position or score indicator for a game |
CN109011637A (zh) * | 2018-06-06 | 2018-12-18 | 上海暴谷智能科技有限公司 | 一种可拆替换式剑球 |
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EP2853297A1 (en) | 2015-04-01 |
WO2014115366A8 (ja) | 2015-03-12 |
JPWO2014115366A1 (ja) | 2017-01-26 |
HK1209676A1 (en) | 2016-04-08 |
US20150314181A1 (en) | 2015-11-05 |
JP6557471B2 (ja) | 2019-08-07 |
CN104619383A (zh) | 2015-05-13 |
EP2853297A4 (en) | 2016-02-24 |
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