JP4076577B1 - A wooden sword that makes noise when shaken - Google Patents

A wooden sword that makes noise when shaken Download PDF

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JP4076577B1
JP4076577B1 JP2007222305A JP2007222305A JP4076577B1 JP 4076577 B1 JP4076577 B1 JP 4076577B1 JP 2007222305 A JP2007222305 A JP 2007222305A JP 2007222305 A JP2007222305 A JP 2007222305A JP 4076577 B1 JP4076577 B1 JP 4076577B1
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wooden sword
wooden
divided
divided portion
sword
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JP2009050614A (en
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良博 佐々木
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良博 佐々木
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Abstract

【課題】大きな音を出すことができ、装置が壊れにくく、木刀の強度をあまり落とさない、振ると音の出る木刀を提供する。
【解決手段】木刀本体3のうち前方の上側を、長手方向に沿った分割面5で分割する。この分割部分7の後端を木刀本体3に対して連結部9により回動可能に連結する。この回動の範囲を一定範囲に制限するガイド部11を設ける。また、分割部分7と木刀本体3とはマグネット27により吸着する。よって、木刀1を振り上げ、振り上げがとまると、分割部分7は慣性によりマグネット27の吸着に打ち勝って上方へ回動し、いわば開いた状態になる。続けて木刀1を振り下ろし、振り下ろしがとまると、分割部分7は慣性により下方へ回動し、木刀本体3にぶつかり、パーンとカスタネットのように大きな音をたてる。そして、分割部分7はそのままマグネット27により木刀本体3に吸着する。
【選択図】図1
The present invention provides a wooden sword that can make a loud sound, is hard to break, and does not greatly reduce the strength of the wooden sword.
An upper front side of a wooden sword body is divided by a dividing surface along a longitudinal direction. The rear end of the divided portion 7 is connected to the wooden sword body 3 by a connecting portion 9 so as to be rotatable. A guide portion 11 is provided for limiting the rotation range to a certain range. The divided portion 7 and the wooden sword body 3 are attracted by the magnet 27. Therefore, when the wooden sword 1 is swung up and the swinging is stopped, the divided portion 7 overcomes the attraction of the magnet 27 due to inertia and rotates upward, so to speak, it is in an open state. When the wooden sword 1 is continuously swung down and the swinging down is stopped, the divided portion 7 is rotated downward due to inertia, hits the wooden sword body 3, and makes a loud sound like a pan and castanets. The divided portion 7 is directly attracted to the wooden sword body 3 by the magnet 27.
[Selection] Figure 1

Description

この発明は、素振り稽古などで振ると音の出る木刀の構造に関する。   The present invention relates to a structure of a wooden sword that produces a sound when shaken by swinging practice.

木刀を用いた素振り稽古で、素振りの速さや刃筋の正しさなどを自己認識できるように、素振りで音の出る木刀が既にいくつか提案されている。
すなわち、下記の特許文献1には、木刀の切先付近に数個の穴をあけ空洞部分を設けることで、高い風切り音を出すようにしたものが記載される。
また、特許文献2には、木刀の側面に樋掘りを付することで、気流の乱れによる音を出すようにしたものが記載される。
また、特許文献3には、竹刀の内部に電気的な装置を入れることで、刀身部を小さく振るか、大きく振るかで、異なる音を出すようにしたものが記載される。
実用新案登録3119297 特開2003-102890 実用新案登録3030270
Several wooden swords that make sound by swinging have been proposed so that the speed of swinging and the correctness of blades can be recognized by the swing training using a wooden sword.
That is, the following Patent Document 1 describes what makes a high wind noise by making several holes in the vicinity of the cutting edge of a wooden sword and providing a hollow portion.
Further, Patent Document 2 describes a sound produced by turbulence on the side surface of a wooden sword so as to produce a sound due to turbulence of the airflow.
Japanese Patent Laid-Open No. 2004-228561 describes a method in which an electric device is placed inside a bamboo sword to produce different sounds depending on whether the blade part is shaken small or large.
Utility model registration 3119297 JP2003-102890 Utility model registration 3030270

しかしながら、前記特許文献1、2によれば、木刀を振るときの風切り音を大きくしたものであり、それほど大きな音にすることはできない。
また、特許文献3によれば、電気的な装置によって風切り音よりも大きな音を出すことはできるものの、本来、木刀や竹刀は、ぶつけたり落としたりするものであり、内部の電気的な装置が壊れ易いことは否めない。また、電気的装置を内部に空洞部分を有する竹刀に設けることは可能であっても、木刀の内部に設けることは困難であり、無理に内部に空洞を作って設けると、木刀の強度を著しく落とすことが考えられる。
However, according to Patent Documents 1 and 2, the wind noise when a wooden sword is shaken is increased and cannot be made so loud.
According to Patent Document 3, although an electric device can produce a sound larger than the wind noise, a wooden sword or a bamboo sword is originally hit or dropped, and an internal electric device is used. It cannot be denied that it is fragile. In addition, even if it is possible to provide an electrical device on a bamboo sword that has a hollow portion inside, it is difficult to provide it inside the wooden sword. Forcibly creating a hollow inside will significantly increase the strength of the wooden sword. It can be dropped.

この発明は、以上の問題点を解決するために、大きな音を出すことができ、装置が壊れにくく、木刀の強度をあまり落とさない、振ると音の出る木刀を提供することを目的とする。   In order to solve the above-described problems, an object of the present invention is to provide a wooden sword that can produce a loud sound, is hard to break, and does not significantly reduce the strength of the wooden sword.

以上の課題を解決するために、第一発明は、木刀本体と、この木刀本体のうち前方の上側を、長手方向に沿った分割面で分割した分割部分と、この分割部分の後端を前記木刀本体に対して回動可能に連結する連結部と、前記回動の範囲を一定範囲に制限するために、前記分割部分の前端側を前記木刀本体に対して回動の方向に一定範囲で移動可能にガイドするガイド部と、前記分割部分と前記木刀本体とを所定の吸着力で吸着するマグネットと、を有し、前記ガイド部は、前記分割部分の前端側が接する部位において、前記木刀本体に、前記回動方向に立設されたボルトと、このボルトのヘッドを閉じ込めるために前記分割部分の前端側に、前記回動方向の外側から開けられた穴部と、この穴部の底部に開けられ前記ボルトの軸部を挿通させる挿通孔と、を有することを特徴とする振ると音の出る木刀である。 In order to solve the above problems, the first invention includes a wooden sword body, a divided part obtained by dividing the upper side of the wooden sword body by a dividing surface along the longitudinal direction, and a rear end of the divided part. In order to limit the range of rotation to a fixed range and a connecting portion that is rotatably connected to the wooden sword body, the front end side of the divided portion is within a certain range in the direction of rotation with respect to the wooden sword body. a guide portion for movably guiding a magnet to adsorb said wooden sword body and the divided portion with a predetermined suction force, have a, the guide portion, at the site where the front end side of the divided portions are in contact with the wooden sword body In addition, a bolt erected in the rotation direction, a hole portion opened from the outside in the rotation direction on the front end side of the divided portion to confine the head of the bolt, and a bottom portion of the hole portion Open and let the shaft of the bolt pass through A wooden sword out of swinging the sound, characterized in that perforated with the insertion hole, the.

第一発明によれば、木刀を振り上げると、木刀本体と分割部分とは共に振り上げられ、振り上げがとまり、連続して振り下ろされる。この振り下ろしの際の加速度が大きいので、分割部分は慣性により木刀本体についていけず、マグネットの吸着に打ち勝って木刀本体から離れる。すなわち、分割部分は上方へ、連結部周りに回動し、ガイド部が可能とする範囲で、いわば開いた状態になる。振り下ろしがとまると、分割部分は慣性により下方へ回動し、既にとまっている木刀本体にぶつかり、パーンとカスタネットのように大きな音をたてる。そして、分割部分はそのままマグネットにより木刀本体に吸着する。
このため、大きな音を出すことができる。また、電気的装置のようには壊れにくい。さらに、木刀本体を長手方向に沿った分割面で分割するものの、内部に空洞を設ける場合に比して、木刀の強度をあまり落とさない。
さらに、ガイド部は、ボルトと、穴部と、挿通孔と、からなり、構成がシンプルであるので、壊れにくく、全体の製造コストを抑えられる。
また、木刀は、断面が縦長であり、この縦長の方向に向かって素振りをすること、すなわち刃筋の正しい素振りをすることが大切であるが、この発明の木刀によって、できるだけ大きな音を出すような素振りをすることで、ボルトの軸部に沿った、刃筋の正しく手の内の効いた打ちを身に付ける訓練が出来る。
According to the first invention, when the wooden sword is swung up, the wooden sword body and the divided portion are swung up together, and the swinging up is stopped and continuously swung down. Since the acceleration at the time of swinging down is large, the divided portion cannot follow the sword main body due to inertia, and overcomes the magnet's adsorption and moves away from the sword main body. That is, the divided portion is rotated upward and around the connecting portion, and is in an open state as long as the guide portion is possible. When the swinging down stops, the divided part rotates downward due to inertia, hits the already stopped wooden sword body, and makes a loud sound like Pann and Castanets. The divided portion is directly attracted to the main body of the sword by a magnet.
For this reason, a loud sound can be produced. Moreover, it is hard to break like an electrical device. Furthermore, although the wooden sword body is divided by a dividing surface along the longitudinal direction, the strength of the wooden sword is not reduced much compared to the case where a cavity is provided inside.
Furthermore, since the guide portion is composed of a bolt, a hole portion, and an insertion hole and has a simple configuration, the guide portion is not easily broken and the entire manufacturing cost can be suppressed.
In addition, it is important that the wooden sword has a vertically long cross section, and it is important to swing in the longitudinal direction, that is, to correctly swing the blade line. By swinging smoothly, it is possible to train to wear the correct striking of the blades along the shaft part of the bolt.

この発明の実施形態を、図1から図3に示す。
この実施形態に係る木刀1は、短い小刀タイプの木刀である。
この木刀本体3は全長が57cmであり、後半の25cmの部分は握り部分4で、前半の32cmの部分は刃の部分6である。
そして、木刀本体3のうち前方、すなわち刃の部分6の32cmにおいて、上側を、木刀1の曲線に沿い、長手方向に沿った分割面5で分割し分割部分7とする。この分割面5は、分割部分7の後端をも含めると、実際にはL字状となる。また、分割部分7の後端を、木刀本体3に対して回動可能に連結部9により連結する。連結部9には、蝶番式の自在金物を用いる。
An embodiment of the present invention is shown in FIGS.
The wooden knife 1 according to this embodiment is a short knife-type wooden knife.
This wooden sword body 3 has an overall length of 57 cm, the latter 25 cm portion is the grip portion 4, and the first 32 cm portion is the blade portion 6.
Then, the front side of the wooden sword body 3, that is, at 32 cm of the blade part 6, the upper side is divided along the curved surface of the wooden sword 1 by the dividing surface 5 along the longitudinal direction to form a divided part 7. The split surface 5 is actually L-shaped when the rear end of the split portion 7 is included. Further, the rear end of the divided portion 7 is connected to the wooden sword body 3 by a connecting portion 9 so as to be rotatable. A hinge-type free metal is used for the connecting portion 9.

さらに、分割部分7の回動の範囲を一定範囲に制限するために、ガイド部11を設ける。このガイド部11は、分割部分7の前端側を木刀本体3に対して、回動の方向に一定範囲で移動可能にガイドする。
すなわち、ガイド部11では、分割部分7の前端側が接する部位において、木刀本体3に、ボルト13を立設する。立設の方向は、回動方向である。このボルト13の上端に位置するヘッド15を閉じ込めるために、分割部分7の前端側に、穴部17を開ける。この穴部17は、回動方向の外側から分割部分7に開けられ、内径は、ボルトヘッド15よりやや大きく、ボルトヘッド15の内部での移動を可能にする。この穴部17の底部18には挿通孔19が開けられる。この挿通孔19の内径は、ボルト13の軸部21よりやや大きく、この軸部21を挿通させうる。また、ボルトヘッド15を閉じ込めた後に、穴部17の上方の開口は、クッション材を兼ねる木栓23で閉じられる。また、ボルトヘッド15の下側には、クッション材25が設けられ、ボルトヘッド15が穴部17の底部18を破損するのを防ぐ。
Further, a guide portion 11 is provided in order to limit the rotation range of the divided portion 7 to a certain range. The guide portion 11 guides the front end side of the divided portion 7 with respect to the wooden knife body 3 so as to be movable within a certain range in the direction of rotation.
That is, in the guide portion 11, the bolt 13 is erected on the wooden sword body 3 at a portion where the front end side of the divided portion 7 is in contact. The direction of standing is the turning direction. In order to confine the head 15 positioned at the upper end of the bolt 13, a hole 17 is formed on the front end side of the divided portion 7. The hole 17 is formed in the divided portion 7 from the outside in the rotation direction, and the inner diameter is slightly larger than that of the bolt head 15 and enables movement inside the bolt head 15. An insertion hole 19 is formed in the bottom portion 18 of the hole portion 17. The inner diameter of the insertion hole 19 is slightly larger than the shaft portion 21 of the bolt 13 so that the shaft portion 21 can be inserted. Further, after confining the bolt head 15, the opening above the hole 17 is closed with a wooden plug 23 that also serves as a cushioning material. A cushion material 25 is provided below the bolt head 15 to prevent the bolt head 15 from damaging the bottom 18 of the hole 17.

また、木刀本体3の前方の分割面5には、跳ね返り防止のために、一対のマグネット27が設けられる。すなわち、分割部分7と木刀本体3とに、極の異なる面が対峙するマグネット27のシートが取り付けられる。   Further, a pair of magnets 27 are provided on the split surface 5 in front of the wooden sword body 3 to prevent rebound. That is, the sheet of the magnet 27 that faces the different poles is attached to the divided portion 7 and the wooden sword body 3.

「実施形態の作用・効果」
木刀1を振り上げると、木刀本体3と分割部分7とは共に振り上げられ、振り上げがとまり、連続して振り下ろされる。この振り下ろしの際の木刀本体3の加速度が大きく、分割部分7は連結部9を介して引っ張られるだけなので加速度を与えられにくく、よって、分割部分7は慣性により木刀本体3についていけず、マグネット27の吸着に打ち勝って木刀本体3から離れる。すなわち、分割部分7は相対的に上方へ、連結部9周りに回動し、ガイド部11が可能とする範囲で、いわば開いた状態になる。振り下ろしがとまると、分割部分7は慣性により下方へ回動し、既にとまっている木刀本体3にぶつかる。木刀本体3と分割部分7とは共に木製であるので、パーンとカスタネットのように大きな音をたてる。そして、分割部分7はそのままマグネット27により木刀本体3に吸着する。このときクッション材25の働きにより、分割部分7が木刀本体3から跳ね返り、離れてしまうことを、より防止できる。
"Effects of Embodiment"
When the wooden sword 1 is swung up, the wooden sword body 3 and the divided portion 7 are swung up together, and the swinging up is stopped and continuously swung down. The acceleration of the wooden sword body 3 at the time of swinging down is large, and since the divided portion 7 is only pulled through the connecting portion 9, it is difficult to apply acceleration. Therefore, the divided portion 7 cannot follow the wooden sword body 3 due to inertia, Defeats the suction of 27 and leaves the sword body 3. That is, the divided portion 7 is relatively upwardly pivoted around the connecting portion 9 and is in an open state as long as the guide portion 11 is possible. When the swing-down stops, the divided portion 7 rotates downward due to inertia and hits the wooden sword body 3 already stopped. Since the wooden sword body 3 and the divided portion 7 are both made of wood, they make a loud sound like Pann and Castanets. The divided portion 7 is directly attracted to the wooden sword body 3 by the magnet 27. At this time, the action of the cushion member 25 can further prevent the divided portion 7 from bouncing off from the wooden sword body 3 and being separated.

このようにして、拍子木のような大きな音を出すことができる。よって、素振りにおいて打撃と同様な体感ができる。さらには、カスタネットあるいは拍子木のようなできるだけ大きな音を出すような素振りをすることで、スナップの効いた絞まりのある打ちを身に付ける訓練が出来る。   In this way, a loud sound like a time signature can be produced. Therefore, it is possible to experience the same feeling as hitting when swinging. Furthermore, you can train to wear a snapped and squeezed striking by making a swing that produces as loud a sound as possible, such as a castanette or time tree.

また、竹刀の円筒形状の断面と異なり、木刀1は、断面が縦長である。そして、この縦長の方向に向かって素振りをすること、すなわち刃筋の正しい素振りをすることが大切であるが、できるだけ大きな音を出すような素振りをすることで、刃筋の正しく手の内の効いた打ちを身に付ける訓練が出来る。すなわち図3に示すように、木刀1の断面の縦長の方向Dに、素振りをすることが大切である。   Further, unlike the cylindrical cross section of the bamboo sword, the wooden sword 1 has a vertically long cross section. And it is important to swing in this vertically long direction, that is, to swing the blade sharply correctly, but by making a swing that makes a loud sound as much as possible, the blade sharpened correctly in the hand. You can train to learn how to beat. That is, as shown in FIG. 3, it is important to swing in the longitudinal direction D of the cross section of the wooden knife 1.

また、剣道では、右手に力が入ってはいけないと言われる。この実施形態の木刀1は左の握りをしっかりして右手の力を抜いて振るとパンと1回音が出る。しかし右手に力が入っていると、跳ね返りがあり2回音が出てしまう。このため、左手中心の振りを体得できる。   In Kendo, it is said that the right hand should not be forced. The wooden sword 1 in this embodiment makes a single sound when it is shaken with the left hand gripped and with the right hand removed. However, if there is power in the right hand, there will be a bounce and the sound will come out twice. For this reason, it is possible to acquire a swing around the center of the left hand.

また、切り返し、2段3段の技にも連続して音が出る。
さらに、マグネット27の長さを短くすると弱い振りでも音が出るが、長くすると強い振りをしないと音が出ない。よって、マグネット27の長さを変えることにより子供から大人(高段者)まで振りの強弱を調節できる。
In addition, the sound is continuously output even in 2 steps and 3 steps.
Further, if the length of the magnet 27 is shortened, a sound is produced even with a weak swing, but if it is lengthened, a sound is not produced unless a strong swing is performed. Therefore, by changing the length of the magnet 27, the strength of swing can be adjusted from a child to an adult (higher person).

また、電気的装置は用いないですむので、壊れにくい。
さらに、木刀本体3を長手方向に沿った分割面5で分割するものの、内部に電気的装置を設けるための大きな空洞を設ける必要がなく、木刀1の強度をあまり落とさない。
さらに、ガイド部11は、ボルト13と、穴部17と、挿通孔19と、からなり、シンプルであるので、壊れにくく、全体の製造コストを抑えられる。ガイド部11は分割部分7の前端側に設けられるので、分割部分7の中央側あるいは基端側に設けられる場合に比べ、大きな力は加わりにくく、壊れにくい。
In addition, since it is not necessary to use an electrical device, it is difficult to break.
Furthermore, although the wooden sword body 3 is divided by the dividing surface 5 along the longitudinal direction, it is not necessary to provide a large cavity for providing an electrical device inside, and the strength of the wooden sword 1 is not significantly reduced.
Furthermore, since the guide part 11 consists of the volt | bolt 13, the hole part 17, and the penetration hole 19, and is simple, it is hard to be broken and can suppress the whole manufacturing cost. Since the guide portion 11 is provided on the front end side of the divided portion 7, a large force is hardly applied and is not easily broken as compared with the case where the guide portion 11 is provided on the central side or the proximal end side of the divided portion 7.

「他の実施形態」
以上の実施形態では、短い小刀タイプの木刀1に本発明を実施したが、他の実施形態では、例えば図4に示すように、長い大刀タイプの木刀1に本発明を実施しても良い。この図4において、図1と同様の部分に関しては同様の符号を付す。
"Other embodiments"
In the above embodiment, the present invention is applied to the short knife-type wooden sword 1, but in other embodiments, for example, as shown in FIG. In FIG. 4, the same parts as those in FIG.

この発明の一実施形態を示すもので、(A)は全体側面図、(B)は(A)のB−B断面図、(C)は(A)のC−C断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment of the present invention, in which (A) is an overall side view, (B) is a BB cross-sectional view of (A), and (C) is a CC cross-sectional view of (A). 図1の要部を示すもので、(A)は図1の要部を拡大する拡大図、(B)は(A)のB−B断面図、(C)は(A)の閉じた状態を示す外観図、(D)は(A)の開いた状態を示す外観図である。1 shows the main part of FIG. 1, (A) is an enlarged view enlarging the main part of FIG. 1, (B) is a sectional view taken along the line BB of (A), and (C) is a closed state of (A). (D) is an external view showing the open state of (A). 図1(B)の作用を示すもので、正しい刃筋の素振り方向を示す図である。FIG. 3 is a diagram illustrating the action of FIG. 1 (B) and showing the correct swing direction of the blade line. この発明の他の実施形態を示すもので、(A)は全体側面図、(B)は(A)のB−B断面図、(C)は(A)のC−C断面図である。FIG. 4 shows another embodiment of the present invention, in which (A) is an overall side view, (B) is a BB cross-sectional view of (A), and (C) is a CC cross-sectional view of (A).

符号の説明Explanation of symbols

1…木刀、3…木刀本体、5…分割面、7…分割部分、9…連結部、11…ガイド部、13…ボルト、15…ヘッド、17…穴部、19…挿通孔、21…軸部、23…木栓、25…クッション材、27…マグネット。   DESCRIPTION OF SYMBOLS 1 ... Wooden sword, 3 ... Wooden sword main body, 5 ... Dividing surface, 7 ... Divided part, 9 ... Connection part, 11 ... Guide part, 13 ... Bolt, 15 ... Head, 17 ... Hole part, 19 ... Insertion hole, 21 ... Shaft Part, 23 ... wooden plug, 25 ... cushion material, 27 ... magnet.

Claims (1)

木刀本体と、この木刀本体のうち前方の上側を、長手方向に沿った分割面で分割した分割部分と、この分割部分の後端を前記木刀本体に対して回動可能に連結する連結部と、前記回動の範囲を一定範囲に制限するために、前記分割部分の前端側を前記木刀本体に対して回動の方向に一定範囲で移動可能にガイドするガイド部と、前記分割部分と前記木刀本体とを所定の吸着力で吸着するマグネットと、を有し、前記ガイド部は、前記分割部分の前端側が接する部位において、前記木刀本体に、前記回動方向に立設されたボルトと、このボルトのヘッドを閉じ込めるために前記分割部分の前端側に、前記回動方向の外側から開けられた穴部と、この穴部の底部に開けられ前記ボルトの軸部を挿通させる挿通孔と、を有することを特徴とする振ると音の出る木刀。 A wooden sword main body, a divided portion obtained by dividing the upper side of the wooden sword main body by a dividing surface along the longitudinal direction, and a connecting portion that rotatably connects the rear end of the divided portion to the wooden sword main body. In order to limit the range of rotation to a certain range, a guide portion that guides the front end side of the divided portion so as to be movable within a certain range in the direction of rotation with respect to the wooden knife body, the divided portion, and the possess a magnet for attracting the wooden sword body with a predetermined suction force, wherein the guide portion, at the site where the front end side of the divided portions are in contact with the wooden sword body, said erected on the turning direction V, In order to confine the head of the bolt, on the front end side of the divided portion, a hole portion opened from the outside in the rotation direction, an insertion hole that is opened in the bottom portion of the hole portion and allows the shaft portion of the bolt to pass through, shake characterized in that it have a Wooden sword out of the sound.
JP2007222305A 2007-08-29 2007-08-29 A wooden sword that makes noise when shaken Expired - Fee Related JP4076577B1 (en)

Priority Applications (1)

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JP2007222305A JP4076577B1 (en) 2007-08-29 2007-08-29 A wooden sword that makes noise when shaken

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Application Number Priority Date Filing Date Title
JP2007222305A JP4076577B1 (en) 2007-08-29 2007-08-29 A wooden sword that makes noise when shaken

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JP4076577B1 true JP4076577B1 (en) 2008-04-16
JP2009050614A JP2009050614A (en) 2009-03-12

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