JP4793915B2 - String instrument support - Google Patents

String instrument support Download PDF

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JP4793915B2
JP4793915B2 JP2005330207A JP2005330207A JP4793915B2 JP 4793915 B2 JP4793915 B2 JP 4793915B2 JP 2005330207 A JP2005330207 A JP 2005330207A JP 2005330207 A JP2005330207 A JP 2005330207A JP 4793915 B2 JP4793915 B2 JP 4793915B2
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support
end pin
stringed instrument
pin
cello
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JP2007139876A (en
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浩慈 神田
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株式会社コスモジャパン
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Description

本発明は、弦楽器を支持する弦楽器用支持具に関し、特に、チェロやコントラバスのように、エンドピンが構成要素とされている弦楽器を支持する弦楽器用支持具に関するものである。   The present invention relates to a stringed instrument support that supports a stringed instrument, and more particularly to a stringed instrument support that supports a stringed instrument having an end pin as a constituent element, such as a cello or a contrabass.

チェロやコントラバスは、床面に当接するエンドピンが構成要素とされている。演奏者が演奏する場合には、このエンドピンの先端を床面に当接させるとともに手で楽器を支持しながら行う。ところで、このエンドピンは、演奏者の身長等により適宜長さを調節することができるようにされているが、そうした機能ばかりではなく、チェロ等の楽器本体の振動を床材に伝達することにより、より豊かな音色(振動)効果を奏するものとして、演奏者に周知の機能を有している。しかしながら、上記エンドピンを床材に当接させると、先端により床面が傷付く可能性があるとともに、床材がタイルやメラミン樹脂のように硬質の素材からなる場合には、滑って位置ずれを起こすことも多い。そこで、従来では、上述したチェロ等のエンドピンを支持する弦楽器用支持具が使用されている。この従来の弦楽器用支持具は、支持具本体の中央に上記エンドピンの先端が当接する凹部が形成されてなるとともに、下面には滑り止め用のゴム板が貼付されている(特許文献1参照)。こうした弦楽器用支持具によれば、エンドピンにより床面を傷つけるおそれがなく、また、エンドピンの位置決めができることから安定した状態で演奏することが可能となる。
実開平7−16991
The cello and contrabass have an end pin that contacts the floor as a constituent element. When the performer performs, the end pin is brought into contact with the floor and the instrument is supported by hand. By the way, this end pin can be appropriately adjusted in length depending on the height of the performer, etc., but not only such a function, but also by transmitting the vibration of the instrument body such as a cello to the flooring, The player has a function well known to the performer for producing a richer timbre (vibration) effect. However, if the end pin is brought into contact with the flooring material, the floor surface may be damaged by the tip, and if the flooring material is made of a hard material such as a tile or melamine resin, it will slip and be displaced. Often wakes up. Therefore, conventionally, a stringed instrument support that supports the above-described end pin such as a cello has been used. The conventional support for stringed instruments has a recess in which the tip of the end pin abuts at the center of the support main body, and a non-slip rubber plate is attached to the lower surface (see Patent Document 1). . According to such a stringed instrument support, there is no risk of damaging the floor surface by the end pins, and the end pins can be positioned, so that it is possible to perform in a stable state.
7-16991

しかしながら、上述した従来の弦楽器用支持具では、エンドピンと床面との間にゴム板が介在することから、理想的な音質を奏でることができない。すなわち、上記チェロやコントラバスのような弦楽器は、低音域の音(振動)を奏でるものであり、ソロで演奏される場合は勿論、オーケストラや弦楽四重奏等のように他の弦楽器や管楽器等と共に演奏される場合であっても、極めて重要な役割を担うが、上記楽器と床との間に上記従来の弦楽器用支持具が介在することにより、楽器で奏でた音(振動)が床材に伝達されず、観客に楽器本来の音質で聴取されにくくなる。換言すれば、従来の弦楽器用支持具では、楽器本体の振動が床材に伝達され難くなることから、より豊かな音色(振動)効果を奏することができない。   However, the above-mentioned conventional stringed instrument support cannot provide ideal sound quality because a rubber plate is interposed between the end pin and the floor surface. That is, string instruments such as the above cello and contrabass play low-frequency sounds (vibrations), and of course, when played solo, along with other stringed instruments and wind instruments such as orchestras and string quartets. Even if it is played, it plays an extremely important role, but the sound (vibration) played by the instrument is applied to the flooring material by interposing the conventional support for stringed instruments between the instrument and the floor. It is not transmitted, and it becomes difficult for the audience to listen to the original sound quality of the instrument. In other words, in the conventional stringed musical instrument support, the vibration of the musical instrument main body is not easily transmitted to the floor material, so that a richer timbre (vibration) effect cannot be achieved.

そこで、本発明は、上述した従来の弦楽器用支持具が有する課題を解決するために提案されたものであって、チェロやコントラバス等のようにエンドピンを構成要素とする弦楽器で奏でられた音(振動)が減殺されることがなく床材に効果的に伝達させることができる新規な弦楽器用支持具を提供することを目的とするものである。   Therefore, the present invention has been proposed in order to solve the problems of the above-described conventional support for stringed instruments, and is a sound played by a stringed instrument having an end pin as a constituent element such as a cello or a contrabass. An object of the present invention is to provide a novel support device for stringed instruments that can be effectively transmitted to a flooring without being attenuated.

本発明は、床面に載置される弦楽器用支持具であって、第1の貫通穴が形成されてなる支持具本体と、上記支持具本体に形成された第1の貫通穴に嵌合されてなり弦楽器を構成するエンドピンの先端が当接するエンドピン受け部材と、このエンドピン受け部材の下端に着脱自在に固定されてなるとともに一方の係合部が形成されてなる筒状部材と、上記筒状部材内に挿通され、先端は床面に当接するとともに上記一方の係合部に係合する他方の係合部が形成されている圧接ピンと、上記筒状部材内に内蔵され上記圧接ピンを下方に押圧する弾性材と、を備え、上記支持具本体の下面には滑り止め部材が固定され、この滑り止め部材には上記第1の貫通穴が形成された位置に対応する位置に第2の貫通穴が形成されてなり、前記圧接ピンの先端は、弦楽器の荷重が作用することにより、前記弾性部材の弾性力に抗して床面と面一とされることを特徴とするものである。 The present invention is a support for a stringed instrument placed on a floor surface, and is fitted into a support main body formed with a first through hole, and a first through hole formed in the support main body. An end pin receiving member with which the tip of the end pin constituting the stringed instrument comes into contact, a cylindrical member which is detachably fixed to the lower end of the end pin receiving member and has one engaging portion formed thereon, and the cylinder A pressure contact pin that is inserted into the cylindrical member, the tip of which contacts the floor surface and the other engagement portion that engages with the one engagement portion, and the pressure contact pin that is built in the cylindrical member. An anti-slip member that is pressed downward, and a non-slip member is fixed to the lower surface of the support body, and the anti-slip member has a second position at a position corresponding to the position where the first through hole is formed. The through hole is formed, and the tip of the pressure contact pin By acting load string instruments, is characterized in that the said elastic resilient force against the floor surface and the flush member.

この発明では、弾性部材の弾性力により、圧接ピンが下方に付勢されると、上記筒状部材に形成された一方の係合部と圧接ピンに形成された他方の係合部とが互いに係合し、それ以上圧接ピンが下方に突出しない。そして、この弦楽器支持具を床上に載置し、エンドピンの先端をエンドピン受け部材に当接させ、弦楽器の荷重をかけると、上記圧接ピンは弾性部材の弾性力に抗して、先端が床面に当接した状態を維持しながら上方に移動させられ、支持具本体の下面が床面に圧接させられる。したがって、この発明によれば、チェロやコントラバスなどにより奏でられた(低音域の)音(振動)を床に伝達させることができ、これによって上記楽器による音(振動)を減殺させることなく、効果的に観客に聴取させることが可能となる。なお、この第3の発明を構成する支持具本体の素材は、木,樹脂,ゴムその他任意の素材を選択することができる。 In this invention, when the press contact pin is urged downward by the elastic force of the elastic member, one engagement portion formed on the cylindrical member and the other engagement portion formed on the press contact pin are mutually connected. Engage and the pressure contact pin does not protrude any further. Then, when the stringed instrument support is placed on the floor, the end of the end pin is brought into contact with the end pin receiving member, and the load of the stringed instrument is applied, the pressure contact pin resists the elastic force of the elastic member, and the end is the floor surface The lower surface of the support body is pressed against the floor surface while maintaining the state in contact with the floor. Therefore, the lever by the inventions of this was played by such as the cello and double bass (the bass) sound (vibration) can be transmitted to the floor, thereby to offset the sound (vibration) by the musical instrument It is possible to make the audience listen effectively. In addition, wood, resin, rubber, and other arbitrary materials can be selected as the material of the support body constituting the third invention.

また、この発明によれば、演奏中における弦楽器支持具の滑りと、弦楽器による低音領域の音(振動)の減殺とを有効に防止することが可能となる。 Further , according to the present invention, it is possible to effectively prevent the sliding of the stringed instrument support during performance and the attenuation of the sound (vibration) in the bass region by the stringed instrument.

記発明によれば、チェロやコントラバス等のようにエンドピンを構成要素とする弦楽器で奏でられた音(振動)が、従来の弦楽器支持具を構成するゴム板により減殺されることがなく床材に効果的に伝達させ、豊かな音色効果を実現することができる。 According to the above SL invention, the sound that is played by the stringed instrument as a component of the end pin as such cello or double bass (vibration), without being offset by a rubber plate constituting a conventional stringed instrument support bed It can be effectively transmitted to the material to achieve a rich timbre effect.

特に、この発明では、支持具本体の下面には滑り止め部材が固定され、この滑り止め部材には前記第1の貫通穴が形成された位置に対応する位置に第2の貫通穴が形成されてなり、前記圧接ピンの先端は、弦楽器の荷重が作用することにより、前記弾性部材の弾性力に抗して床面と面一とされることから、演奏中における弦楽器支持具の滑りと、弦楽器による低音領域の音の減殺とを有効に防止することが可能となる。 In particular, in the present invention, an anti-slip member is fixed to the lower surface of the support body, and the anti-slip member has a second through hole formed at a position corresponding to the position where the first through hole is formed. Since the tip of the pressure contact pin is made flush with the floor surface against the elastic force of the elastic member by the action of the load of the stringed instrument, the sliding of the stringed instrument support during performance, It is possible to effectively prevent the sound of the bass region from being attenuated by the stringed instrument.

以下、本発明に係る弦楽器用支持具を実施するための最良の形態を、図面を参照しながら詳細に説明する。   The best mode for carrying out a stringed musical instrument support according to the present invention will be described below in detail with reference to the drawings.

この実施の形態に係る弦楽器用支持具1は、図示しない床面上に載置されるものであり、図1に示すように、弦楽器であるチェロCを支持するものである。そして、この弦楽器用支持具1は、支持具本体2と、エンドピン受け部材3とを備えている。上記支持具本体2は、合成樹脂又は硬質の木又は鉄等の金属を素材とするものであり、略円盤状に成形されており、該周面は円弧状となされ、さらに上面はややすり鉢状とされている。そして、このように成形された支持具本体2の中央には、図2に示すように、第1の貫通穴2aが形成され、上記エンドピン受け部材3は、この第1の貫通穴2a内に嵌合されている。また、上記支持具本体2の下面には、後述する滑り止め部材4が嵌るとともに接着される凹部2eが形成されている。なお、この第1の貫通穴2aは、図3に示すように、上方に形成された拡径部2bと、この拡径部2bと連通してなるとともに該拡径部2bよりもやや内径の短い縮径部2cとからなるものであり、拡径部2bと縮径部2cとの間には、リング状の段差面2dが形成されている。   A stringed instrument support 1 according to this embodiment is placed on a floor surface (not shown), and supports a cello C, which is a stringed instrument, as shown in FIG. The string instrument support 1 includes a support body 2 and an end pin receiving member 3. The support body 2 is made of a synthetic resin or a metal such as hard wood or iron, and is formed in a substantially disk shape. The peripheral surface is arcuate, and the upper surface is a mortar shape. It is said that. As shown in FIG. 2, a first through hole 2a is formed in the center of the support body 2 formed in this way, and the end pin receiving member 3 is placed in the first through hole 2a. It is mated. Further, a concave portion 2e is formed on the lower surface of the support body 2 so as to fit and adhere to a non-slip member 4 which will be described later. As shown in FIG. 3, the first through-hole 2a is connected to the enlarged-diameter portion 2b formed above and the enlarged-diameter portion 2b, and has a slightly larger inner diameter than the enlarged-diameter portion 2b. A ring-shaped stepped surface 2d is formed between the enlarged diameter portion 2b and the reduced diameter portion 2c.

そして、上記エンドピン受け部材3は、真鍮により略円筒状に成形されてなるものであり、上面には、図1に示すように、上記チェロCを構成するエンドピンPの先端が当接する凹部3aが形成されており、下面には、図3に示すように、外周に一方のネジ(符号は省略する。)が螺刻された円筒部3bが形成されている。なお、上記エンドピン受け部材3の外径は、上記第1の貫通穴2aを構成する拡径部2bの内径に対応してなるとともに、その高さも該拡径部2bの高さと同一寸法とされている。一方、上記エンドピン受け部材3の下面に形成された円筒部3bの外径は、上記縮径部2cの内径よりも短い寸法とされ、該円筒部3bの外側に形成された下面の一部が上記段差面2d上に当接された状態で、このエンドピン受け部材3が上記第1の嵌合穴2aに嵌合されている。   The end pin receiving member 3 is formed in a substantially cylindrical shape with brass, and a concave portion 3a with which the tip of the end pin P constituting the cello C abuts is formed on the upper surface as shown in FIG. On the lower surface, as shown in FIG. 3, a cylindrical portion 3b in which one screw (reference numeral is omitted) is formed on the outer periphery. The outer diameter of the end pin receiving member 3 corresponds to the inner diameter of the enlarged diameter portion 2b constituting the first through hole 2a, and the height thereof is the same as the height of the enlarged diameter portion 2b. ing. On the other hand, the outer diameter of the cylindrical portion 3b formed on the lower surface of the end pin receiving member 3 is shorter than the inner diameter of the reduced diameter portion 2c, and a part of the lower surface formed on the outer side of the cylindrical portion 3b is formed. The end pin receiving member 3 is fitted in the first fitting hole 2a while being in contact with the stepped surface 2d.

また、図3に示すように、上記支持具本体2の下面に形成された上記凹部2eには、ゴム又は軟質樹脂により一体成形された滑り止め部材4が図示しない接着剤により接着固定されている。この滑り止め部材4の外径は、上記支持具本体2の外径よりもやや短い外径とされ、中央には、第2の貫通穴4aが形成されている。なお、この第2の貫通穴4aの内径寸法は、以下に説明する筒状部材5の外径寸法とほぼ同一とされている。この筒状部材5は、真鍮により全体形状が略筒状に成形されてなるものであり、上端側内周には、上記エンドピン受け部材3を構成する円筒部3bの外周に螺刻された上記一方のネジに螺合される他方のネジ5aが形成され、また、下端には、上記他方のネジ5aが螺刻された部位の内径よりも短い内径となるようにリング状縮径部5bが形成されている。このリング状縮径部5bの上面は、本発明を構成する一方の係合部である。   As shown in FIG. 3, a non-slip member 4 integrally formed of rubber or soft resin is bonded and fixed to the recess 2e formed on the lower surface of the support body 2 with an adhesive (not shown). . The outer diameter of the anti-slip member 4 is slightly shorter than the outer diameter of the support body 2 and a second through hole 4a is formed in the center. The inner diameter of the second through hole 4a is substantially the same as the outer diameter of the cylindrical member 5 described below. The cylindrical member 5 is formed of brass in a substantially cylindrical shape, and the upper end side inner periphery is threaded on the outer periphery of the cylindrical portion 3b constituting the end pin receiving member 3. The other screw 5a to be screwed to one screw is formed, and a ring-shaped reduced diameter portion 5b is formed at the lower end so that the inner diameter is shorter than the inner diameter of the portion where the other screw 5a is threaded. Is formed. The upper surface of the ring-shaped reduced diameter portion 5b is one engaging portion constituting the present invention.

そして、上記筒状部材5の内部には、図3に示すように、コイルスプリング6と、圧接ピン7とが内蔵されている。このコイルスプリング6は、上記筒状部材5の内部において以下に説明する圧接ピン7を下方に付勢するものであり、本発明を構成する弾性部材である。また、上記圧接ピン7は、図2及び図3にそれぞれ示すように、下端には先鋭部7aが形成され、上端外周にはフランジ部7bが形成されている。なお、このフランジ部7bは、上記筒状部材4に形成された一方の係合部であるリング状縮径部5bの上面に係合する部位であり、本発明を構成する他方の係合部である。   As shown in FIG. 3, a coil spring 6 and a pressure contact pin 7 are built in the cylindrical member 5. The coil spring 6 urges a pressure contact pin 7 described below inside the tubular member 5 downward, and is an elastic member constituting the present invention. As shown in FIGS. 2 and 3, the pressure contact pin 7 has a sharpened portion 7a at the lower end and a flange portion 7b at the outer periphery of the upper end. In addition, this flange part 7b is a site | part engaged with the upper surface of the ring-shaped reduced diameter part 5b which is one engaging part formed in the said cylindrical member 4, The other engaging part which comprises this invention It is.

そして、上述したパーツである(滑り止め部材4が接着された)支持具本体2,エンドピン受け部材3,筒状部材5,コイルスプリング6及び圧接ピン7を組み付ける場合には、上記支持具本体2の上方から該支持具本体2に形成された第1の貫通穴2a内に嵌合させ、また、該支持部本体2の下側からは、上記圧接ピン7及びコイルコイルスプリング6を内部に収容した状態で、該筒状部材5に形成された他方のネジ5aとエンドピン受け部材3に形成された一方のネジとを螺着させる。こうした手順により、上記弦楽器用支持具1が完成される。なお、図1に示すように、チェロCを支持しない状態においては、上記コイルスプリング6の弾性力により、上記圧接ピン7の先端(下端)は、上記滑り止め部材4の下面よりも下方に突出した状態とされ、上記リング状縮径部5bとフランジ部7bとの係合により、その突出した状態が保持される。   When the support body 2, the end pin receiving member 3, the cylindrical member 5, the coil spring 6 and the pressure contact pin 7 which are the above-described parts (with the anti-slip member 4 bonded) are assembled, the support body 2 It is fitted into the first through hole 2a formed in the support body 2 from above, and the press-contact pin 7 and the coil coil spring 6 are accommodated from the lower side of the support body 2 inside. In this state, the other screw 5a formed on the cylindrical member 5 and the one screw formed on the end pin receiving member 3 are screwed together. The string instrument support 1 is completed by such a procedure. As shown in FIG. 1, in a state where the cello C is not supported, the tip (lower end) of the pressure contact pin 7 protrudes below the lower surface of the anti-slip member 4 due to the elastic force of the coil spring 6. The protruding state is maintained by the engagement between the ring-shaped reduced diameter portion 5b and the flange portion 7b.

そして、こうした構成からなる弦楽器用支持具1を図示しない床面に載置するとともに、図1に示すように、チェロCを構成するエンドピンPの先端を上記エンドピン受け部材3に形成された凹部3a内に挿入し突き当てると、このチェロCの荷重により、上記コイルスプリング6の弾性力に抗して圧接ピン7以外が下降するとともに、上記滑り止め部材4の下面が図3に示す床面Fに当接する。なお、こうした操作により、上記圧接ピン7は、他の部材とは相対的に上方に移動し、該圧接ピン7の下端は床面Fに圧接される。   Then, the stringed instrument support 1 having such a configuration is placed on a floor surface (not shown), and the tip of the end pin P constituting the cello C is formed in the recess 3a formed in the end pin receiving member 3 as shown in FIG. When inserted and abutted, the load of the cello C lowers the parts other than the pressure contact pin 7 against the elastic force of the coil spring 6, and the bottom surface of the anti-slip member 4 is the floor surface F shown in FIG. Abut. By this operation, the pressure contact pin 7 moves upward relative to other members, and the lower end of the pressure contact pin 7 is pressed against the floor surface F.

したがって、この弦楽器用支持具1によれば、上記滑り止め部材4により、チェロCの演奏中に床面F上を滑ることを防止することができるばかりではなく、上記圧接ピン7の先端がコイルスプリング6の弾性力により圧接されることから、チェロCにより奏でられた低音域の音は、上位エンドピン受け部材3,コイルスプリング6及び圧接ピン7を介して、減殺されることなく効果的に床に伝達することができる。特に、この実施の形態に係る弦楽器用支持具1では、上記エンドピン受け部材3,筒状部材5,コイルスプリング6及び圧接ピン7は全て金属からなることから、一層伝達ロスを生ずることがない。また、この実施の形態に係る弦楽器用支持具1では、前述したように、凹部2eに上記滑り止め部材4が固定されていることから、滑り止め部材4による滑り止め効果を維持するのに必要な所定の肉厚を保持したまま弦楽器用支持具1全体の高さを低くすることができ、これによってエンドピンP先端の当接位置を低い位置とし、チェロCを安定的に支持することができる。   Therefore, according to the support 1 for stringed instruments, the anti-slip member 4 can not only prevent slipping on the floor surface F during the performance of the cello C, but also the tip of the pressure contact pin 7 is coiled. Since it is pressed by the elastic force of the spring 6, the low frequency sound produced by the cello C can be effectively reduced without being attenuated via the upper end pin receiving member 3, the coil spring 6 and the pressing pin 7. Can be communicated to. In particular, in the string instrument support 1 according to this embodiment, since the end pin receiving member 3, the cylindrical member 5, the coil spring 6 and the pressure contact pin 7 are all made of metal, there is no further transmission loss. Further, in the stringed instrument support 1 according to this embodiment, as described above, since the anti-slip member 4 is fixed to the recess 2e, it is necessary to maintain the anti-slip effect by the anti-slip member 4. The overall height of the stringed instrument support 1 can be lowered while maintaining a predetermined thickness, so that the abutting position of the end pin P can be lowered and the cello C can be stably supported. .

なお、上記実施の形態に係る弦楽器用支持具1では、支持具本体2の下面に滑り止め部材4が接着されたものを説明したが、本発明に係る弦楽器用支持具1は、必ずしも上記滑り止め部材4を構成する必要がなく、例えば、該支持具本体2の素材をゴムとすることもできる。また、上記エンドピン受け部材3,筒状部材5,コイルスプリング6及び圧接ピン7の素材は、カーボングラファイト(炭素繊維)を用いても良い。   In the stringed instrument support 1 according to the above embodiment, the description has been given of the case where the anti-slip member 4 is bonded to the lower surface of the support body 2, but the stringed instrument support 1 according to the present invention is not necessarily limited to the above-described slipper. For example, the material of the support body 2 can be made of rubber. Further, carbon graphite (carbon fiber) may be used as the material of the end pin receiving member 3, the cylindrical member 5, the coil spring 6, and the press contact pin 7.

また、本願発明者は、上記弦楽器用支持具1を従来の弦楽器用支持具との間で、以下に説明する実験を行った。以下、この実験方法を説明する。
(1)評価サンプル 比較例1、比較例2、実施例1、実施例2を評価サンプルとして用意した。上記比較例1は、ゴム(単体)により成形された弦楽器用支持具であり、比較例2は、黒檀からなる支持具本体の下面にゴム板を貼付してなるものである。また、上記実施例1は、基本的構成は上記実施の形態において説明したものであり、具体的には、上記比較例2を構成する黒檀からなる支持具本体と、ゴムからなる滑り止め部材(厚さ3mm)と、エンドピン受け部材とコイルスプリングとを備えてなるものである。また、実施例2は、上記実施例1を構成する滑り止め部材の厚みを5mmとし、また上記コイルスプリングの弾性力を実施例1のものよりも強いものとした。
(2)試験機材 上記比較例1,2及び実施例1,2が載置される共鳴箱と、この共鳴箱内に配置するマイクロフォンと、録音装置(CDレコーダー)を、試験機材として用意した。
(3)試験方法 チェロのエンドピンと共鳴箱との間の条件を以下に説明するように設定し、チェロの第4(C0)開放弦をレガード奏法にて発音し、共鳴箱直下の音圧を、共鳴箱内に配置したマイクロフォンにより集音し、上記録音装置により録音した。そして、録音された上記音圧をスペクトル分析した。チェロと共鳴箱との間の条件は、条件Aから条件Eとした。条件Aは、上記比較例1,2及び実施例1,2を全く使用することなく、エンドピンの先端を直接共鳴箱の上面に当接させたものであり、条件Bは、チェロのエンドピンと共鳴箱との間に上記比較例1を配したものであり、条件Cは、チェロのエンドピンと共鳴箱との間に上記比較例2を配したものであり、条件Dは、チェロのエンドピンと共鳴箱との間に上記実施例1を配したものであり、条件Eは、チェロのエンドピンと共鳴箱との間に上記実施例2を配したものである。なお、試験は、上記条件Aから条件Eそれぞれ5回に亘って行った。
(4)評価方法 上記条件Aから条件Eの下で録音した音を、主要スペクトル(65.4Hz、130.8Hz、196.2Hz、261.3Hz、327.0Hz)に分析し、その分析値は、5回行った分析値の平均値を算出した。
(5)試験結果 図4に示すグラフは、上記条件Aから条件Eの分析値に関し、主要スペクトル(65.4Hz、130.8Hz、196.2Hz、261.3Hz、327.0Hz)と相対音圧レベル(db)との関係を示すものである。このグラフからも明らかなように、エンドピンを直接共鳴箱に当接させた条件Aのスペクトル(65.4Hz以外)における音圧レベルと、条件Bから条件Eのそれとは大きな差異はないが、65.4Hzのスペクトルにおける音圧レベルでは、条件Bと条件Cとは何れも極めて低く、その一方、条件D(実施例1)と条件E(実施例2)では、大差がない。すなわち、比較例1や比較例2では、根音C0が床材(音響箱)に伝達されにくく、その分音が痩せて聞こえるのに対し、実施例1,2では、豊かな音色(振動)となることが理解される。
The inventor of the present application conducted an experiment described below between the stringed instrument support 1 and the conventional stringed instrument support. Hereinafter, this experimental method will be described.
(1) Evaluation Sample Comparative Example 1, Comparative Example 2, Example 1, and Example 2 were prepared as evaluation samples. The comparative example 1 is a stringed instrument support molded from rubber (single), and the comparative example 2 is formed by attaching a rubber plate to the lower surface of a support body made of ebony. In addition, the basic configuration of Example 1 is the same as that described in the above embodiment. Specifically, the support body made of ebony that constitutes Comparative Example 2 and a non-slip member made of rubber ( Thickness 3 mm), an end pin receiving member and a coil spring. In Example 2, the thickness of the anti-slip member constituting Example 1 was 5 mm, and the elastic force of the coil spring was stronger than that of Example 1.
(2) Test Equipment A resonance box on which the above Comparative Examples 1 and 2 and Examples 1 and 2 are placed, a microphone disposed in the resonance box, and a recording device (CD recorder) were prepared as test equipment.
(3) Test method The conditions between the cello's end pin and the resonance box are set as described below. The fourth (C0) open string of the cello is pronounced using the Legard technique, and the sound pressure directly below the resonance box is The sound was collected by a microphone placed in the resonance box and recorded by the recording device. Then, the recorded sound pressure was subjected to spectrum analysis. The condition between the cello and the resonance box was from condition A to condition E. Condition A is that the tip of the end pin is brought into direct contact with the upper surface of the resonance box without using any of Comparative Examples 1 and 2 and Examples 1 and 2, and Condition B is resonant with the end pin of the cello. The comparative example 1 is arranged between the box and the condition C is the comparative example 2 arranged between the cello end pin and the resonance box, and the condition D is resonant with the cello end pin. The example 1 is arranged between the box and the condition E is that the example 2 is arranged between the cello end pin and the resonance box. The test was performed five times for each of the above conditions A to E.
(4) Evaluation method The sound recorded under the above conditions A to E is analyzed into main spectra (65.4 Hz, 130.8 Hz, 196.2 Hz, 261.3 Hz, 327.0 Hz), and the analysis value is The average value of the analysis values performed 5 times was calculated.
(5) Test Results The graph shown in FIG. 4 shows the main spectrum (65.4 Hz, 130.8 Hz, 196.2 Hz, 261.3 Hz, 327.0 Hz) and relative sound pressure with respect to the analysis values of the above conditions A to E. This shows the relationship with the level (db). As is apparent from this graph, there is no significant difference between the sound pressure level in the spectrum of condition A (other than 65.4 Hz) in which the end pin is in direct contact with the resonance box and that of condition B to condition E. At the sound pressure level in the spectrum of 4 Hz, both condition B and condition C are extremely low, while condition D (Example 1) and condition E (Example 2) are not significantly different. That is, in Comparative Example 1 and Comparative Example 2, the root tone C0 is difficult to be transmitted to the flooring material (sound box), and the partial sound is thin and audible, while in Examples 1 and 2, the rich tone (vibration). It is understood that

したがって、上述した試験結果からも明らかなように、本発明によれば、チェロやコントラバス等のようにエンドピンを構成要素とする弦楽器で奏でられた音が減殺されることがなく床材に効果的に伝達させることができ、従来の弦楽器用支持具が有する課題を効果的に解消することができる。   Therefore, as is clear from the test results described above, according to the present invention, the sound played by a stringed instrument having an end pin as a constituent element, such as a cello or a contrabass, is not reduced and is effective for flooring. Therefore, it is possible to effectively solve the problems of conventional stringed musical instrument supports.

実施の形態に係る弦楽器用支持具にチェロが支持されている状態を示す斜視図である。It is a perspective view which shows the state by which the cello is supported by the support tool for stringed instruments which concerns on embodiment. 図1に示す弦楽器用支持具の分解斜視図である。It is a disassembled perspective view of the support for stringed instruments shown in FIG. 図1に示す弦楽器用支持具の断面図である。It is sectional drawing of the support tool for stringed instruments shown in FIG. 実験結果を示すグラフである。It is a graph which shows an experimental result.

符号の説明Explanation of symbols

1 弦楽器用支持具
2 支持具本体
2a 第1の貫通穴
3 エンドピン受け部材
4 滑り止め部材
4a 第2の貫通穴
5 筒状部材
5b リング状縮径部(一方の係合部)
6 コイルスプリング
7 圧接ピン
7b フランジ部(他方の係合部)
DESCRIPTION OF SYMBOLS 1 Support instrument for stringed instruments 2 Support tool main body 2a 1st through-hole 3 End pin receiving member 4 Anti-slip member 4a 2nd through-hole 5 Cylindrical member 5b Ring-shaped reduced diameter part (one engaging part)
6 Coil spring 7 Pressing pin 7b Flange part (the other engaging part)

Claims (1)

床面に載置される弦楽器用支持具であって、
第1の貫通穴が形成されてなる支持具本体と、
上記支持具本体に形成された第1の貫通穴に嵌合されてなり弦楽器を構成するエンドピンの先端が当接するエンドピン受け部材と、
このエンドピン受け部材の下端に着脱自在に固定されてなるとともに一方の係合部が形成されてなる筒状部材と、
上記筒状部材内に挿通され、先端は床面に当接するとともに上記一方の係合部に係合する他方の係合部が形成されている圧接ピンと、
上記筒状部材内に内蔵され上記圧接ピンを下方に押圧する弾性材と、を備え、
上記支持具本体の下面には滑り止め部材が固定され、この滑り止め部材には上記第1の貫通穴が形成された位置に対応する位置に第2の貫通穴が形成されてなり、前記圧接ピンの先端は、弦楽器の荷重が作用することにより、前記弾性部材の弾性力に抗して床面と面一とされることを特徴とする弦楽器用支持具。
A support for a stringed instrument placed on the floor,
A support body formed with a first through hole;
An end pin receiving member that is fitted into a first through hole formed in the support body and that contacts the tip of an end pin that constitutes a stringed instrument;
A cylindrical member which is detachably fixed to the lower end of the end pin receiving member and is formed with one engaging portion;
A pressure contact pin that is inserted into the cylindrical member, the tip of which is in contact with the floor surface and the other engaging portion that engages with the one engaging portion;
An elastic material built in the cylindrical member and pressing the pressure contact pin downward,
A non-slip member is fixed to the lower surface of the support body, and the anti-slip member has a second through hole formed at a position corresponding to the position where the first through hole is formed. A support for a stringed instrument , wherein the tip of the pin is flush with the floor surface against the elastic force of the elastic member when a load of the stringed instrument acts on the pin .
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US2447080A (en) * 1947-11-07 1948-08-17 Walter H Meier Musical instrument support
US4037505A (en) * 1976-04-19 1977-07-26 Lea Maples Adjustable end pin for string bass or cello
US4316402A (en) * 1981-01-16 1982-02-23 Richard Goldner Adjustable end pin for the violoncello and the string bass
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