JP4933595B2 - Shamisen spool structure - Google Patents
Shamisen spool structure Download PDFInfo
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- JP4933595B2 JP4933595B2 JP2009160335A JP2009160335A JP4933595B2 JP 4933595 B2 JP4933595 B2 JP 4933595B2 JP 2009160335 A JP2009160335 A JP 2009160335A JP 2009160335 A JP2009160335 A JP 2009160335A JP 4933595 B2 JP4933595 B2 JP 4933595B2
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Description
本願発明は、三味線の調弦に用いられる糸巻の構造に関する。 The present invention relates to a structure of a bobbin used for tuning a shamisen.
従来の三味線などにおいては、使用によって、または単に放置している状態でも、糸の張力が減少してしまう。 In a conventional shamisen or the like, the tension of the yarn is reduced by use or simply being left unattended.
この原因は、糸巻が、糸巻の貫通孔に挿通して嵌め込まれただけで、摩擦抵抗によって係合されたに過ぎなかったことにある。 The cause of this is that the bobbin was merely inserted through the through-hole of the bobbin and was merely engaged by frictional resistance.
すなわち、係合された部分の摩擦抵抗が弱くなることで、糸巻は軸方向に微動し、これに伴い、糸巻は周方向に回動して糸の張力が弱まっていた。 That is, as the frictional resistance of the engaged portion is weakened, the spool is slightly moved in the axial direction, and accordingly, the spool is rotated in the circumferential direction and the tension of the yarn is weakened.
調弦は、このような糸の張力の減少によって必要となる行為であるが、調弦の方法は、糸巻を軸の周方向に回動させて糸の張力を上げ、ちょうど良い張力を得られた状態で、糸巻を軸方向に強く押し込むことで、糸巻を貫通孔に嵌め込んで固定するという方法が用いられていた。 Tuning is an action that is required by reducing the tension of the thread, but the tuning method increases the tension of the thread by rotating the spool in the circumferential direction of the shaft, so that just the right tension can be obtained. In this state, the pincushion is strongly pushed in the axial direction so that the pincushion is fitted into the through hole and fixed.
しかし、この調弦方法には、いくつかの難点があった。
１つ目は、一般的な調弦は、糸巻の端部にある掴み面を回転させて糸の張力を調節することによって行われるが、糸巻は貫通孔に適度に嵌め込まれて固定されており、その状態では糸巻は簡単には回動しない。音色を確かめながら糸の張力を調整するので、微妙な加減が要求される非常に神経を使う作業である。
However, this tuning method has some difficulties.
First, the general tuning is performed by rotating the gripping surface at the end of the bobbin and adjusting the tension of the bobbin, but the bobbin is properly fitted into the through hole and fixed. In this state, the spool does not rotate easily. Since the tension of the thread is adjusted while checking the tone, it is a very nerve-intensive operation that requires delicate adjustment.
２つ目は、調弦によって、ちょうど良い張力を得られたら、糸巻を貫通孔に強く押し込んで、糸巻が軸の周方向に回動しないように強く嵌め込む必要があるが、この押し込む力が弱いと、糸巻が強い摩擦抵抗を得られず、簡単に軸の周方向に回動してしまって、糸の張力が緩んでしまう。 Secondly, if you can get just the right tension by tuning, it is necessary to push the bobbin into the through-hole and fit it tightly so that the bobbin does not rotate in the circumferential direction of the shaft. If it is weak, the pincushion cannot obtain a strong frictional resistance and easily rotates in the circumferential direction of the shaft, so that the yarn tension is loosened.
このような難点を解決するためには、糸巻の回動が簡単にでき、且つ、強い力を要せずとも、糸巻に強い摩擦抵抗を与え、糸巻きが軸方向の微動または周方向の回動を止めることが必要である。 In order to solve such difficulties, the bobbin can be easily rotated, and even if it does not require a strong force, it provides a strong frictional resistance to the bobbin, and the bobbin is finely moved in the axial direction or rotated in the circumferential direction. It is necessary to stop.
この三味線の糸巻構造については、従来より各種開発されている。 Various types of shamisen pincushion structures have been developed.
特開平９−１６０５４０号公報では、調整の度に糸巻きを軸方向に摺動させることなく、挿入孔との摩擦抵抗力を調整できるものであり、糸巻きに締付環を取り付け、この締付環の口径を調整ねじで増減させることにより、糸巻きの摩擦抵抗力を調整するものである。 In Japanese Patent Laid-Open No. 9-160540, the frictional resistance with the insertion hole can be adjusted without sliding the spool in the axial direction every time adjustment is performed, and a tightening ring is attached to the spool. The frictional resistance of the bobbin is adjusted by increasing / decreasing the diameter of the pin with an adjusting screw.
また、特開平９−２６９７７０号公報などのように、糸巻軸を直接、手で握って調整するのではなく、糸巻軸の回転動作をウォームギアを介してペグを捩じって調整する、ギターなどの楽器に用いられる弦楽器用糸巻具などが開示されている。
Further, as in JP-A-9-269770, a guitar winding or the like that adjusts the rotational movement of the pincushion by twisting a peg via a worm gear instead of directly adjusting the pincushion by hand. A string winder for stringed instruments used in Japanese musical instruments is disclosed.
このように、弦楽器の糸巻構造として各種開発されているが、前記の特開平９−２６９７７０号公報などのように、ウォームギアを用い、ペグで調整するような構造であれば、弦の緩みがなく、微妙な調整を簡単にできる糸巻構造となるが、三味線やバイオリンなどのように、歴史、伝統を重んじる弦楽器においては、そのヘッド部の形状にその楽器の特徴を有するものであり、外観的に変化が顕れるような構造の変化は受け入れられない。 As described above, various types of pincushion structures for stringed musical instruments have been developed. However, as in the above-mentioned Japanese Patent Application Laid-Open No. 9-269770, if the structure is adjusted with a peg using a worm gear, there is no loosening of the strings. It is a pincushion structure that can easily be finely adjusted, but string instruments that respect history and tradition, such as the shamisen and the violin, have the characteristics of the instrument in the shape of the head part. A structural change that manifests a change is unacceptable.
また、特開平９−１６０５４０号公報においては、上記の特開平９−２６９７７０号公報ほどの外観的な変化は少ないが、演奏中などは、正面や側面から見られることとなり、この場合には、ヘッド部の側面に糸巻の先端部が突出するのではなく、ヘッド部から突出する先端部はなく、ネジ部の頭部が露出することになる。 In addition, in Japanese Patent Laid-Open No. 9-160540, there is little change in appearance as in the above-mentioned Japanese Patent Laid-Open No. 9-269770, but during performance, etc., it can be seen from the front and side, and in this case, The front end portion of the bobbin does not protrude from the side surface of the head portion, but there is no front end portion protruding from the head portion, and the head portion of the screw portion is exposed.
また、弦の調整において、音色を確かめながら糸の張力を調整する場合に、一旦、調整ネジを緩めて、糸巻が回転できるようにしてから調整するものであり、微妙な音色の調整ができた状態で、今度は調整ネジを締め付けることになるが、この調整ネジの締め付けにより、微妙な音色の調整がずれてしまうことが発生する。 Also, when adjusting the string tension while checking the timbre when adjusting the string, loosen the adjustment screw once so that the bobbin can be rotated, and then the subtle timbre was adjusted. In this state, the adjustment screw is now tightened. However, the tightening of the adjustment screw causes a slight adjustment of the tone color.
特に三味線など、直接、手で糸巻を捩じって調整する楽器においては、微妙な音色の調整位置でそのままの状態で保持することが好ましい。この状態から調整ネジなどで締め付けると、微妙にずれてしまい、音色に影響してしまうのである。 In particular, in an instrument such as a shamisen that is adjusted by directly twisting a bobbin by hand, it is preferable to hold it as it is at a delicate tone adjustment position. If it is tightened with an adjusting screw or the like from this state, it will shift slightly and affect the tone.
本願発明は、三味線の調弦に用いられる糸巻の構造において、簡易な構造で、糸巻の軸方向へ移動、及び、糸巻の周方向の回動を押さえ、長時間の使用によっても糸の張力が減少せず、簡単な操作で調弦を行うことができ、さらに、既に製作済みの糸巻にも後から施工が可能であることを特徴とする三味線の糸巻構造を提供するものである。 The invention of the present application is a simple structure in the structure of a bobbin used for tuning a shamisen, and it suppresses movement in the axial direction of the bobbin and rotation in the circumferential direction of the bobbin. The present invention provides a shamisen pincushion structure that can be tuned by a simple operation without decreasing, and that can be applied to a pincushion that has already been manufactured.
本発明は諸課題を解決するために、三味線のヘッド部の中央に糸巻の取付口が開口され、該開口部を側部から貫通する１対の貫通孔が開けられ、この貫通孔に側部より糸巻きが嵌め込まれ、糸巻の先端部が尖ったテーパ状となっており、１対の貫通孔は、入口側の口径が広く、出口側の口径が狭くなっており、糸巻を捻じ込むことで貫通口と糸巻との摩擦力により糸巻が固定される構造となっている糸巻構造において、
貫通孔に嵌め込まれた糸巻を糸巻の軸方向に対して直角方向より押圧することにより、糸巻を固定するための押圧部材が設けられていることを特徴とする三味線の糸巻構造とするものである。
In order to solve various problems, the present invention has an attachment port for a bobbin in the center of a shamisen head portion, and a pair of through holes penetrating the opening portion from the side portion. A thread winding is inserted, the tip of the spool is tapered, and the pair of through holes have a wide diameter on the inlet side and a small diameter on the outlet side. In the pincushion structure in which the pincushion is fixed by the frictional force between the through hole and the pincushion,
A shamisen pincushion structure is provided in which a pressing member for fixing the pincushion is provided by pressing the pincushion fitted in the through-hole from a direction perpendicular to the axial direction of the pincushion. .
該押圧部材は、糸巻を直角方向から押圧することができるものであればいずれでも良く、糸巻きに対して直角方向から押圧するネジ部材やバネ部材などでも良い。 The pressing member may be any member as long as it can press the pincushion from a right angle direction, and may be a screw member or a spring member that presses the pincushion from a right angle direction.
本発明は、前記の押圧部材は、ヘッド部の裏面側から貫通孔に直角に開けられた押圧部材取付孔に設けられ、先端が球面となっており、調節ネジの締め付けにより、押圧部材の先端を嵌め込まれた糸巻の軸方向に対して直角方向から押圧することにより、糸巻の軸方向の微動または周方向の回動を防止することを特徴とする三味線の糸巻構造とするものである。
According to the present invention, the pressing member is provided in a pressing member mounting hole that is opened at a right angle to the through hole from the back surface side of the head portion, the tip is a spherical surface, and the tip of the pressing member is tightened by tightening the adjusting screw. The shamisen pincushion structure is characterized by preventing fine movement in the axial direction of the pincushion or rotation in the circumferential direction by pressing from the direction perpendicular to the axial direction of the pincushion.
たとえば、該押圧部材取付孔の内面側に雌ネジ部を形成し、先端が球面となった雄ネジ部材を捻じ込んで糸巻の側面を押圧できる構造としても良い。 For example, a structure may be adopted in which a female screw portion is formed on the inner surface side of the pressing member mounting hole and a male screw member having a spherical tip is screwed to press the side surface of the bobbin.
また、押圧部材取付孔に先端が球面となった金属棒材を嵌め込み、外側からネジやバネなどで押圧できるようにしても良い。 Alternatively, a metal bar whose tip is spherical may be fitted into the pressing member mounting hole so that it can be pressed from the outside with a screw or a spring.
本発明は、前記の押圧部材は、先端部に回転自在となる球体が設けられていることを特徴とする三味線の糸巻構造とするものである。
According to the present invention, the pressing member has a shamisen pincushion structure in which a spherical body that is rotatable is provided at a tip portion.
該球体は、剛性を有する球体であればいずれでも良く、金属製や硬質樹脂製などでも良い。 The sphere may be any sphere having rigidity, and may be made of metal or hard resin.
該球体は回転自在に取り付けられるものであればいずれでも良く、ボールベアリングなどでも良い。 The sphere may be any one that can be rotatably mounted, and may be a ball bearing or the like.
本発明は、前記の押圧部材は、先端がわずかに突出するように、金属球が収納固定された筒体と、該筒体を糸巻の側面に押圧させる押圧力を調整するための調節ネジと、該調整ネジの支持部材が設けられ、
該筒体の先端部より突出する金属球を糸巻の側面に押圧させて、糸巻の側面に溝を押圧形成させ、糸巻の軸方向の微動を防止するとともに、糸巻の曲面に合わせて曲面状に加工された筒体の先端部を糸巻の側面に押圧し、糸巻の周方向の回動を防止することを特徴とするものである。
According to the present invention, the pressing member includes a cylindrical body in which a metal ball is accommodated and fixed so that the tip slightly protrudes, and an adjustment screw for adjusting a pressing force that presses the cylindrical body against the side surface of the bobbin. A support member for the adjustment screw is provided;
A metal ball protruding from the tip of the cylindrical body is pressed against the side surface of the bobbin, and a groove is pressed and formed on the side surface of the bobbin to prevent fine movement in the axial direction of the bobbin and to be curved to match the curved surface of the bobbin. The tip of the processed cylinder is pressed against the side surface of the bobbin to prevent rotation of the bobbin in the circumferential direction .
金属球の先端がわずかに突出するように筒体に収納固定することにより、筒体先端が糸巻の側面に当たるまで押圧し、ここで糸巻を回転させると、金属球により、外周面を１周する溝が形成されることになる。この突出（溝の深さ）は、０．３ｍｍ〜２ｍｍ程度が好ましい。 The metal ball is housed and fixed in the cylinder so that the tip of the metal ball slightly protrudes, and is pressed until the tip of the cylinder hits the side surface of the bobbin. A groove is formed. This protrusion (groove depth) is preferably about 0.3 mm to 2 mm.
金属球は、直径が１．０ｍｍ〜５．０ｍｍ程度が好ましい。 The metal sphere preferably has a diameter of about 1.0 mm to 5.0 mm.
該調整ネジの支持部材は、雄ネジとなる調整ネジを支持し、雌ネジが形成された支持体であり、たとえば、ヘッド部の裏側に雌ねじが設けられた支持板をネジ止め固定されたものでも良い。
The adjustment screw support member is a support body that supports an adjustment screw serving as a male screw and is formed with a female screw. For example, a support plate having a female screw provided on the back side of the head portion is fixed with a screw. But it ’s okay.
本発明は以下の効果を奏する。
１）糸巻の軸方向へ移動を防止でき、かつ、糸巻の周方向の回動を防止することができる。
The present invention has the following effects.
1) Movement of the bobbin in the axial direction can be prevented, and rotation of the bobbin in the circumferential direction can be prevented.
２）長時間の使用によっても糸の張力が減少せず、信頼性の高い糸巻構造を実現できる。 2) Even when used for a long time, the tension of the yarn does not decrease, and a highly reliable spool structure can be realized.
３）調整ネジにより、筒体及び金属球による糸巻への押圧力を調整でき、簡単に調弦を行うことができる。 3) The adjustment screw can adjust the pressing force on the bobbin and the bobbin by the metal ball, and can be easily tuned.
４）金属球の押圧により、糸巻に溝が形成されるので、糸巻が抜けてしまうことがなくなり、安心して微妙な調弦を行うことができる。 4) Since the groove is formed in the bobbin by the pressing of the metal ball, the bobbin does not come off and fine tuning can be performed with peace of mind.
５）既に製作済みの糸巻にも後から施工が可能である。 5) It can be applied later to already produced bobbins.
６）押圧部材は、ヘッド部の裏側に埋め込まれるので、表側や側部からは見えないので、取り付けられていることによる違和感がない。
6) Since the pressing member is embedded on the back side of the head part, it cannot be seen from the front side or the side part, so there is no sense of incongruity due to being attached.
本発明の実施の形態について図面を用いて説明する。 Embodiments of the present invention will be described with reference to the drawings.
図１は、本発明による糸巻構造を用いた三線のヘッド部の実施例を示す裏面の外観図である。図２は、ヘッド部１開口部分の拡大図である。 FIG. 1 is an external view of the back surface showing an embodiment of a three-wire head portion using a pincushion structure according to the present invention. FIG. 2 is an enlarged view of the opening portion of the head portion 1.
このヘッド部１は、開口部２を側面から貫通する一対の貫通孔が設けられ、この貫通孔に側部より先端が尖ったテーパ状となった糸巻３が嵌め込まれているものである。 The head portion 1 is provided with a pair of through holes penetrating from the side surface of the opening portion 2, and a bobbin 3 having a tapered shape with a tip sharpened from the side portion is fitted into the through hole.
この貫通孔の入口側の貫通孔において、糸巻３の軸方向に対して直角方向に押圧する押圧部材４が設けられている。 In the through hole on the inlet side of the through hole, a pressing member 4 that presses in a direction perpendicular to the axial direction of the bobbin 3 is provided.
図３は、糸巻３の実施例を示す図である。先端部分が尖っており、テーパ形状になっている。先端部分１０は特に細く、上記に貫通孔に挿入して嵌め込まれる部分である。１１が押圧部材４の金属球１６が当たっている部分であり、へこんでいる。 FIG. 3 is a view showing an embodiment of the bobbin 3. The tip is sharp and has a tapered shape. The tip portion 10 is particularly thin, and is a portion that is inserted into and inserted into the through hole. Reference numeral 11 denotes a portion where the metal ball 16 of the pressing member 4 is hit, and is recessed.
図４は、押圧部材の実施例を示す図であり、支持部材１２の中央に調整ねネジ１４が捻じ込まれており、その下部に金属球が収納固定された筒体１５が位置する。この支持部材１２は、ヘッド部の裏面の貫通孔部分に固定ネジ１３でネジ止めされる。 FIG. 4 is a view showing an embodiment of the pressing member, in which an adjustment screw 14 is screwed into the center of the support member 12, and a cylindrical body 15 in which a metal ball is housed and fixed is positioned below the adjustment screw 14. The support member 12 is screwed to the through hole portion on the back surface of the head portion with a fixing screw 13.
図５は、押圧部材４の金属球１６が収納固定された筒体１５の実施例を示す図である。 FIG. 5 is a view showing an example of the cylindrical body 15 in which the metal ball 16 of the pressing member 4 is housed and fixed.
図６は、図１のＡ−Ａ部分の断面図である。
ヘッド部の入口側の貫通孔１ａから糸巻３を挿入し、出口側の貫通孔１ｂまで嵌め込む。
6 is a cross-sectional view taken along the line AA of FIG.
The bobbin 3 is inserted from the through-hole 1a on the inlet side of the head portion and is fitted to the through-hole 1b on the outlet side.
この状態で調弦を行い、調弦が完了した状態で、押圧部材４の調整ネジ１４を捻じ込み、筒体１５が糸巻３の側面を押圧する。 In this state, tuning is performed, and in a state where tuning is completed, the adjustment screw 14 of the pressing member 4 is screwed, and the cylinder 15 presses the side surface of the bobbin 3.
ここで糸巻を回転させることで、金属球により、糸巻の外周面を１周する溝が形成させ、この溝の形成により、糸巻３は軸方向に動かない状態で保持することができるものである。 Here, by rotating the bobbin, a metal ball forms a groove that makes one round of the outer circumferential surface of the bobbin. By forming this groove, the bobbin 3 can be held without moving in the axial direction. .
図７は、図６のＢ−Ｂ部分の断面図である。
金属球１６を収納固定する筒体１５の下部は、図６に示すように、糸巻３の傾斜面に密着しており、また、図７に示すように、糸巻３の曲面にも密着するように加工されているものである。この筒体１５の先端部分が糸巻の側面に密着して押圧されるので回転方向に動くことなく強固に固定できるものである。
7 is a cross-sectional view taken along the line BB in FIG.
As shown in FIG. 6, the lower part of the cylindrical body 15 for storing and fixing the metal ball 16 is in close contact with the inclined surface of the bobbin 3 and also in close contact with the curved surface of the bobbin 3 as shown in FIG. Is processed. Since the distal end portion of the cylindrical body 15 is pressed in close contact with the side surface of the bobbin, it can be firmly fixed without moving in the rotational direction.
また、支持部材１２は、ヘッド部１の裏面に、固定ネジ１３でしっかりとネジ留めされており、調整ネジ１４を捻じ込むことで、その下部に位置する筒体１５を糸巻の側面に押圧するように押し下げ、また、その筒体から突出するように収納固定された金属球１６を糸巻側部の溝に押し下げるので、糸巻３を強固に、かつ確実に固定し、糸巻３が軸方向、及び回転方向に動くことで、弦の張力が減少してしまうことを防止することができる。 Further, the support member 12 is firmly screwed to the back surface of the head portion 1 with a fixing screw 13, and the adjustment screw 14 is screwed to press the cylindrical body 15 positioned below the pin 15 against the side surface of the bobbin. The metal ball 16 housed and fixed so as to protrude from the cylindrical body is pushed down into the groove of the bobbin winding side, so that the bobbin 3 is firmly and securely fixed. By moving in the rotational direction, it is possible to prevent the tension of the string from decreasing.
実際の使用においては、調弦前に、調整ネジ１４を締め付けながら、金属球１６を糸巻３に押し付け、その状態で糸巻３を回していく。糸巻３を回すことにより、金属球１６により、糸巻３に溝（図３の１１参照）ができる。この溝により、糸巻３は軸方向に移動できなくなる。そして、さらに調整ネジ１４を締め付けることで、筒体１５の先端部が糸巻側部に密着して押圧し、調弦の位置で糸巻３をしっかりと固定することができるものである。 In actual use, the metal ball 16 is pressed against the bobbin 3 while tightening the adjusting screw 14 before tuning, and the bobbin 3 is rotated in that state. By turning the bobbin 3, a groove (see 11 in FIG. 3) is formed in the bobbin 3 by the metal ball 16. This groove prevents the bobbin 3 from moving in the axial direction. Further, by further tightening the adjusting screw 14, the tip of the cylindrical body 15 is brought into close contact with and pressed against the side of the bobbin, and the bobbin 3 can be firmly fixed at the tuning position.
調整ネジの締め付けは、ドライバーなどで行われるが、本実施例では、調整ネジ部１４がヘッド部１裏面に設けられているため、六角ネジを使用することができ、調弦しながら簡単に調整ネジを操作することができるものである。
The adjustment screw is tightened with a screwdriver or the like, but in this embodiment, since the adjustment screw portion 14 is provided on the back surface of the head portion 1, a hexagonal screw can be used, and adjustment is easily performed while tuning. The screw can be operated.
１ ヘッド部
２ 開口部
３ 糸巻
４ 押圧部材
１０ 糸巻の先端部分
１１ 溝
１２ 支持部材
１３ 固定ネジ
１４ 調整ネジ
１５ 筒体
１６ 金属球
DESCRIPTION OF SYMBOLS 1 Head part 2 Opening part 3 Pincushion 4 Press member 10 Pincushion tip part 11 Groove 12 Support member 13 Fixing screw 14 Adjustment screw 15 Cylindrical body 16 Metal ball
Claims (3)
ヘッド部の裏面側から貫通孔に直角に開けられた押圧部材取付孔に、
貫通孔に嵌め込まれた糸巻を糸巻の軸方向に対して直角方向より押圧することで糸巻を固定するための押圧部材が設けられ、
押圧部材は、先端が球面となっており、
調節ネジを締め付けることで押圧部材の先端を嵌め込まれた糸巻の軸方向に対して直角方向から押圧して糸巻の軸方向の微動または周方向の回動を防止する
ことを特徴とする三味線の糸巻構造。 A bobbin attachment port is opened at the center of the shamisen head, a pair of through holes are formed through the opening from the side, and the bobbin is fitted into the through hole from the side. The pair of through-holes has a wide diameter on the inlet side and a small diameter on the outlet side, so that the bobbin can be wound by the frictional force between the through-hole and the bobbin by screwing the bobbin. In the pincushion structure that is fixed,
In the pressing member mounting hole opened at right angles to the through hole from the back side of the head part,
A pressing member for fixing the bobbin by pressing the bobbin fitted in the through hole from a direction perpendicular to the axial direction of the bobbin is provided,
The pressing member has a spherical tip.
Tightening the adjusting screw prevents the pincushion from moving in the axial direction or rotating in the circumferential direction by pressing from the direction perpendicular to the axial direction of the pincushion in which the tip of the pressing member is fitted. A shamisen spool structure.
該筒体の先端部より突出する金属球を糸巻の側面に押圧させて、糸巻の側面に溝を押圧形成させ、糸巻の軸方向の微動を防止するとともに、糸巻の曲面に合わせて曲面状に加工された筒体の先端部を糸巻の側面に押圧し、糸巻の周方向の回動を防止することを特徴とする請求項１に記載の三味線の糸巻構造。 The pressing member includes a cylindrical body in which a metal ball is accommodated and fixed so that the tip slightly protrudes, an adjusting screw for adjusting a pressing force for pressing the cylindrical body against the side surface of the bobbin, and the adjusting screw Support members are provided,
A metal ball protruding from the tip of the cylindrical body is pressed against the side surface of the bobbin, and a groove is pressed and formed on the side surface of the bobbin to prevent fine movement in the axial direction of the bobbin and to be curved to match the curved surface of the bobbin. 2. The shamisen pincushion structure according to claim 1 , wherein a tip end portion of the processed cylinder is pressed against a side surface of the pincushion to prevent circumferential rotation of the pincushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009160335A JP4933595B2 (en) | 2009-07-07 | 2009-07-07 | Shamisen spool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009160335A JP4933595B2 (en) | 2009-07-07 | 2009-07-07 | Shamisen spool structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011017741A JP2011017741A (en) | 2011-01-27 |
| JP4933595B2 true JP4933595B2 (en) | 2012-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009160335A Expired - Fee Related JP4933595B2 (en) | 2009-07-07 | 2009-07-07 | Shamisen spool structure |
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| Country | Link |
|---|---|
| JP (1) | JP4933595B2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003195854A (en) * | 2001-12-27 | 2003-07-09 | Hirotoshi Amahisa | Detachable samisen string lock unit |
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2009
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| Publication number | Publication date |
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| JP2011017741A (en) | 2011-01-27 |
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