JP2017182030A - Compact guitar - Google Patents

Compact guitar Download PDF

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JP2017182030A
JP2017182030A JP2016134545A JP2016134545A JP2017182030A JP 2017182030 A JP2017182030 A JP 2017182030A JP 2016134545 A JP2016134545 A JP 2016134545A JP 2016134545 A JP2016134545 A JP 2016134545A JP 2017182030 A JP2017182030 A JP 2017182030A
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guitar
string
right frame
compact
left frame
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JP6114943B1 (en
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津平 佐羽
Shinpei Sahane
津平 佐羽
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Priority to PCT/JP2017/010379 priority Critical patent/WO2017169780A1/en
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10DSTRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D1/00General design of stringed musical instruments
    • G10D1/04Plucked or strummed string instruments, e.g. harps or lyres
    • G10D1/05Plucked or strummed string instruments, e.g. harps or lyres with fret boards or fingerboards
    • G10D1/08Guitars
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00Instruments in which the tones are generated by electromechanical means

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  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
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  • Stringed Musical Instruments (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a compact guitar with small longitudinal and lateral dimensions.SOLUTION: Provided is a silent type compact guitar which does not have a resonant body and whose longitudinal and lateral dimensions are minimized, by using: a winding structure in which a string winding part is embedded on an upper side of a lower bridge part, that is at a position on an oscillation side of stretched strings on a rear side of a body substrate part, and in which a guitar string is rotated from an underside of the lower bridge part and wound by the string winding part from the rear side via a rotary body rotating integrally with the strings in an independent manner for each string; and a folding structure in which a respective upper end of a left frame part and a right frame part having a substantially long shape and an outer frame allowing the same holding posture as a described guitar, is assembled to both sides of the body substrate part via a folding mechanism freely rotatable in a vertical direction, and in which a respective lower end is raised and rotated in a finger board direction and folded into a length range of the finger board.SELECTED DRAWING: Figure 1

Description

本発明は、縦横サイズの小さなコンパクトギターに関するものである。     The present invention relates to a compact guitar having a small vertical and horizontal size.

クラシックギターなどでは練習によって上達していくと音が大きくなり、家族、隣人など周囲からうるさがられることが多く、近年、共鳴胴の無い静音タイプのギターが広く使われている。
しかし、この種のギターは共鳴胴が無い代わりに、演奏時に抱えて保持するための外枠があり、音量が小さく、厚さも薄いという大きな利点はあるものの、演奏状態の縦と横のサイズは共鳴胴のある通常のギターとほとんど変わらない。
In classical guitars, the sound becomes louder as you improve through practice, and it often gets loud from your surroundings, such as your family and neighbors. In recent years, quiet type guitars without a resonance drum have been widely used.
However, this type of guitar has an outer frame to hold and hold during performance, instead of having a resonance drum, and although it has the great advantage of low volume and thin thickness, the vertical and horizontal sizes of the playing state are It is almost the same as a normal guitar with a resonance drum.

また、既に市販されている靜音タイプのギターでは、演奏していない時に、縦サイズは変わらないものの、横サイズをより小さくするため、外枠の片側をねじ止め構造にして取り外せるものがあり、外枠を外す、元に戻すにはネジを緩める、締めるなどの手間が掛かり、外した外枠と本体もバラバラになってしまう。
また、回転自在により、外枠の片側を他方の外枠側に折り重ねるものもあるが(例えば、特許文献1参照)、ギターの厚さが増してしまう。
持ち運び、保管にとって、縦サイズが大きいのも辛いし、横サイズも前述のようにより小さくしたものでもまだまだ大きく、例えば、仕事で出張した先のホテルで練習したくても、前述の静音タイプのギターでも縦長約1mあり、当然スーツケースにも入らず、専用ケースはさらに大きく、それに入れて別に持って運ぶのも面倒だし、一見してそれと分かるのも大きな躊躇要因の一つ。
ギター愛好家にとって旅行などの外出先で日々の練習をしたくても、縦横サイズ上のこれらの難点が持ち運びのためらいになっている。
In addition, in the case of a roaring type guitar already on the market, the vertical size does not change when not playing, but in order to make the horizontal size smaller, there are some that can be removed with a screwed structure on one side of the outer frame. To remove and return the frame, it takes time and effort to loosen and tighten the screws, and the removed outer frame and the main body are also separated.
In addition, there is a case where one side of the outer frame is folded to the other outer frame side by being rotatable (see, for example, Patent Document 1), but the thickness of the guitar increases.
For carrying and storage, it is difficult to have a large vertical size, and the horizontal size is still small even if it is smaller as described above. For example, if you want to practice at a hotel where you traveled for work, the silent type guitar mentioned above However, it is about 1m long and of course it does not fit into a suitcase. The special case is even larger, and it is troublesome to carry it separately and carry it separately.
Even though guitar enthusiasts want to practice every day on the go, such as traveling, these difficulties in vertical and horizontal sizes make it difficult to carry around.

特開2014−89248 公報JP, 2014-89248, A

本発明は上記のような難点を解消しようとするものであり、右手と左手の奏法動作、音階などは共鳴胴のある通常のギターと機能的に同じであること、また演奏時に通常のギターでは共鳴胴を胸、右肘、太腿などで保持するので、その保持位置関係も同じであることなどギターとして不可欠な機能要素を具備しつつ、持ち運び、保管に便利なように縦と横のサイズを極限まで小さくした靜音タイプのコンパクトギターを提供することを目的としている。     The present invention is intended to solve the above-mentioned difficulties, and the performance of the right and left hands, the scale, etc. are functionally the same as those of a normal guitar with a resonance drum, Since the resonance body is held by the chest, right elbow, thigh, etc., it has vertical and horizontal sizes so that it is easy to carry and store while having essential functional elements such as the same holding position. The purpose is to provide a roaring-type compact guitar that is made as small as possible.

上記目的を達成するために、請求項1記載に係る発明は、基板部と、前記基板部の両脇に取り付けられ、胸、右肘、太腿などで保持する際、共鳴胴のある通常のギター(以下、通常のギターと呼ぶ)の保持位置および保持形状と略一致する外枠を有する略長尺形状の左枠部および右枠部と、前記基板部の上部に取り付けられ、指先でギター弦を押さえて通常のギターと同等の音階、音程を指定する指板部と、弦が振動する部分の両端となる前記指板部の上端に備えた上駒部および前記基板部の下端に備えた下駒部と、前記下駒部の上側の位置で前記基板部の裏側に埋め込まれて、弦を巻き取る弦巻部と、弦を裏側に導くためのUターン部を備えた共鳴胴の無いタイプのコンパクトギターであって、前記左右両枠部の各々上端を上下方向に回転自在の折り畳み機構を介して基板部の両脇に取り付け、各々下端を上方向に開いて指板部方向に回転させることにより、前記左右両枠部を指板部に沿わせて、指板部の長さ範囲内に折り畳み可能とし、弦の一端は前記上駒部の上側に固定し、他端は前記Uターン部を介して、前記下駒部の下側を回って、基板部の裏側から前記弦巻部に巻き取るようにしたことを特徴とするコンパクトギター。     In order to achieve the above-mentioned object, the invention according to claim 1 is provided with a normal torso when mounted on a board part and both sides of the board part and held by a chest, a right elbow, a thigh or the like. A guitar (with a fingertip) is attached to the upper part of the board part and a substantially long left frame part and a right frame part having outer frames that substantially match the holding position and holding shape of a guitar (hereinafter referred to as a normal guitar). A fingerboard part that specifies the scale and pitch equivalent to those of a normal guitar by holding down a string, an upper piece part provided at the upper end of the fingerboard part that forms both ends of the part where the string vibrates, and a lower end of the board part There is no resonance cylinder provided with a lower piece portion, a string winding portion which is embedded in the back side of the substrate portion at a position above the lower piece portion and winds the string, and a U-turn portion for guiding the string to the back side A compact guitar of this type, wherein the upper ends of the left and right frame portions are rotated in the vertical direction. Attached to both sides of the board part through the existing folding mechanism, each of the left and right frame parts is moved along the finger board part by opening the lower end upward and rotating in the direction of the finger board part. Can be folded within the range of the length of the string, one end of the string is fixed to the upper side of the upper piece part, and the other end of the string turns below the lower piece part via the U-turn part. A compact guitar that is wound around the string winding portion.

請求項2記載に係る発明は、Uターン部において、ギター弦と直接接し、弦と一体で、弦毎に独立して回る糸巻き回転部を備えたことを特徴とする請求項1項記載のコンパクトギター。 The invention according to claim 2 is characterized in that the U-turn portion includes a pincushion rotating portion that is in direct contact with the guitar string, and that is integral with the string and independently rotates for each string. guitar.

請求項3記載に係る発明は、Uターン部の糸巻き回転部において、弦毎に独立して、弦と一体で回転する円筒体の円周方向に弦が挟まるガイド溝を形成、前記ガイド溝の間隔が通常のギターの弦間隔と同じになるように前記円筒体を配置したことを特徴とする請求項2記載のコンパクトギター。   According to a third aspect of the present invention, in the bobbin rotating part of the U-turn part, a guide groove is formed in which a string is sandwiched in a circumferential direction of a cylindrical body that rotates integrally with the string independently for each string. 3. The compact guitar according to claim 2, wherein the cylindrical body is arranged so that the interval is the same as the string interval of a normal guitar.

請求項4に係る発明は、左枠部および右枠部を指板部方向に折り畳む際、前記左枠部および右枠部の少なくとも一方の指板部との干渉部分をへこみ形状にする、又は折り畳み機構を傾けて取り付け、斜め方向に折り畳むことにより、左枠部および右枠部の上端部分が指板部の下側に相互に干渉することなく重なるようにしたことを特徴とする請求項1から請求項3いずれか一つ記載のコンパクトギター。     In the invention according to claim 4, when the left frame portion and the right frame portion are folded in the finger plate portion direction, an interference portion with at least one finger plate portion of the left frame portion and the right frame portion is formed into a dent shape, or The folding mechanism is tilted and attached, and the upper end portions of the left frame portion and the right frame portion are overlapped on the lower side of the finger plate portion without interfering with each other by folding in an oblique direction. The compact guitar according to claim 3.

請求項5に係る発明は、左枠部、右枠部、基板部いずれかの裏側に取り付けられた着脱可能な厚み追加部を取り外して、左枠部の胸が接触する部分の裏側に重ねることにより、その部分の厚さが通常のギターの共鳴胴の厚さと略一致可能となるようにしたことを特徴とする請求項1から請求項4いずれか一つ記載のコンパクトギター。     The invention which concerns on Claim 5 removes the removable thickness addition part attached to the back side in any one of a left frame part, a right frame part, and a board | substrate part, and superimposes it on the back side of the part which the chest of a left frame part contacts. The compact guitar according to any one of claims 1 to 4, wherein the thickness of the portion can be substantially matched with the thickness of a resonance drum of a normal guitar.

請求項6に係る発明は、左枠部および右枠部がそれぞれ折り畳み機構により下方向に閉じた演奏状態のときの、前記左枠部および右枠部の基板部への固定において、磁石による着脱可能な結合と隙間の無い嵌めあいによるワンタッチ固定にしたことを特徴とする請求項1から請求項5いずれか一つ記載のコンパクトギター。     According to a sixth aspect of the present invention, when the left frame portion and the right frame portion are in a performance state in which the left frame portion and the right frame portion are closed downward by the folding mechanism, the left frame portion and the right frame portion are fixed to the substrate portion by a magnet. The compact guitar according to any one of claims 1 to 5, wherein the one-touch fixing is performed by a possible coupling and a fitting with no gap.

請求項7に係る発明は、厚み追加部を取り外して重ねる前と後の固定において、磁石による着脱可能な結合と隙間の無い嵌めあいによるワンタッチ固定にしたことを特徴とする請求項5記載のコンパクトギター。     The invention according to claim 7 is the compact according to claim 5, wherein the fixing before and after removing the additional thickness portion is performed by one-touch fixing by means of a detachable coupling with a magnet and a fit without a gap. guitar.

本発明により、通常のギターと同じ保持姿勢、音程など必要な機能を具備しつつ、演奏状態の縦長が通常のギターより大幅に短縮され、また演奏していない時には左枠部と右枠部を各々反対方向に起こして、指板部に沿わせ、左枠部を指板部の長さの範囲以内に折り畳むことにより、縦長が概ね上駒部と下駒部の間隔という極限の短さとなり、さらに左枠部および右枠部の一部を指板部と重なるように折り畳む構造により、横幅も背景技術の項で説明した外枠片側取り外し方式、或は折り重ね方式の靜音ギターよりコンパクトにすることが可能となる。
また、前述の外枠片側取り外し方式のように本体部と外枠がバラバラになることもなく、また折り重ね方式のように厚さが増すこともない。
According to the present invention, while maintaining the same holding posture and pitch as a normal guitar, the length of the performance state is greatly shortened compared to a normal guitar, and when not playing, the left frame part and the right frame part are Raising in the opposite direction, along the fingerboard part, and folding the left frame part within the range of the length of the fingerboard part, the vertical length is almost the shortest of the distance between the upper piece part and the lower piece part In addition, the structure that folds the left frame part and the right frame part so that it overlaps with the fingerboard part makes the lateral width more compact than the outer frame one-side removal method or folding method roaring guitar described in the background section. It becomes possible to do.
Further, the main body portion and the outer frame are not separated as in the above-described outer frame one-side removal method, and the thickness is not increased as in the folding method.

本発明の実施例に関する基本構造図Basic structure diagram of an embodiment of the present invention 本発明の実施例に関する本体部の構造図Structure diagram of main body according to an embodiment of the present invention 本発明の実施例に関する糸巻き回転部の概念図Conceptual diagram of a bobbin rotating part according to an embodiment of the present invention ギターの構造比較図Comparison of guitar structure 本発明の実施例に関する左右両枠部と指板部の重なりの概念図Conceptual diagram of overlapping of both left and right frame portions and fingerboard portions according to an embodiment of the present invention 本発明の実施例に関する厚み追加部の概念図The conceptual diagram of the thickness addition part regarding the Example of this invention

図1から図6は、本発明に基づく靜音ギタータイプのコンパクトギターの実施例を説明したものである。
図1は、請求項1記載の本発明の実施例に関する基本構造図である。
大略すると、図1(a)に示すように、本体部1に左枠部2および右枠部3を、各々ヒンジ4を介して結合した構造であり、ヒンジ4により左右両枠部を下方に閉じると図1(a)に示すように演奏状態となり、逆に、図1(a)の矢印のように左右両枠部を上方に開くと、図1(b)に示すように非常にコンパクトな折り畳み状態となる構造である。
FIG. 1 to FIG. 6 illustrate an embodiment of a roaring guitar type compact guitar based on the present invention.
FIG. 1 is a basic structural diagram relating to an embodiment of the present invention.
Briefly, as shown in FIG. 1 (a), a left frame portion 2 and a right frame portion 3 are coupled to a main body portion 1 via hinges 4, respectively. When closed, the player is in the playing state as shown in Fig. 1 (a). Conversely, when the left and right frame parts are opened upward as shown by the arrows in Fig. 1 (a), they are very compact as shown in Fig. 1 (b). This is a structure that is in a folded state.

まず、左右両枠部の構造から説明する。
図2は、(a)本発明のコンパクトギター、(b)共鳴胴のあるギター、(c)既に市販されている靜音タイプギターの概念的な構造比較図である。
(a)は、本発明の共鳴胴の無い靜音タイプのコンパクトギターの構造概念図である。
(b)は、共鳴胴を有するタイプの代表格であるクラシックギターの概念図である。
図2(b)に、クラシックギターを演奏する時に共鳴胴6を保持する際、胸、右肘、太腿の3個所で保持する位置および形状を各々点線の楕円、すなわち胸当て部61、右肘置き部62、太腿載せ部63で示しており、図2(a)に、クラシックギタータイプの本コンパクトギターにおいても前述の3箇所と同じ保持位置および形状を各々点線の楕円、すなわち、胸当て部21、右肘置き部22、太腿載せ部31で示している。
このようにクラシックギターと同じ保持位置、姿勢が可能なように、左枠部2および右枠部3が図2(a)に示すような略長尺形状となっている。
First, the structure of the left and right frame parts will be described.
FIG. 2 is a conceptual structural comparison diagram of (a) a compact guitar of the present invention, (b) a guitar with a resonance body, and (c) a roaring type guitar already on the market.
(a) is a conceptual diagram of the structure of a roaring-type compact guitar having no resonance body according to the present invention.
(b) is a conceptual diagram of a classic guitar, which is a representative type having a resonance body.
FIG. 2 (b) shows the positions and shapes held at the three locations of the chest, the right elbow, and the thigh when holding the resonance torso 6 when playing a classical guitar. This is shown by a placing part 62 and a thigh placing part 63. FIG. 2 (a) also shows the same holding position and shape as the above-mentioned three places in the classical guitar type compact guitar. 21, right elbow rest 22 and thigh rest 31.
Thus, the left frame portion 2 and the right frame portion 3 have a substantially long shape as shown in FIG. 2 (a) so that the same holding position and posture as the classical guitar are possible.

尚、(c)は、共鳴胴の代わりに、演奏時にクラシックギターと同じ保持姿勢が可能な外枠
を有する市販の靜音タイプギターであり、外枠の片側だけはネジ止め構造で、演奏していない時にはネジを緩めて本体部から取り外せる構造になっている。
市販の靜音ギターの縦長は、(b)のクラシックギターとほぼ同じであり、とてもコンパクトとは言えず、また、外枠の片側を外す、また取り付けるには2箇所のネジを緩めたり、締めたりする手間が必要であり、さらに外した外枠と本体部がバラバラになるなど、この種の靜音ギターの保管、持ち運びにはいくつかの難点がある。
Note that (c) is a commercially available stuttering type guitar that has an outer frame that can hold the same holding posture as a classical guitar in place of the resonance drum, and only one side of the outer frame is screwed and played. When not in use, the screw can be loosened and removed from the body.
The vertical length of a commercially available roaring guitar is almost the same as the classical guitar in (b). It is not very compact, and one side of the outer frame is removed and two screws are loosened or tightened to attach. There are several difficulties in storing and carrying this kind of roaring guitar, such as the need to take care of it, and the removed outer frame and main body part.

図1(a)に示すように、前記略長尺形状の左枠部2および右枠部3の各々上端を上下方向に回転自在の折り畳みヒンジ4を介して、本体部1の基板部11の両端に取り付け、図1(b)に示すように、演奏していない時、左枠部2及び右枠部3を折り畳みヒンジ4により、本体部上端、すなわち指板部12の側面方向にワンタッチで折り返し、特に本体部1の下端よりさらに下方に先端が伸びていた左枠部2を指板部12の長さ範囲以内に折り畳むこと、さらに左枠部2および右枠部3の各々上端を指板部12の下側と重ねることにより、コンパクトギターの折り畳み状態の縦と横が極限の小さなサイズになる。
また、左枠部2及び右枠部3が指板部12方向に必要以上に折り畳まれないように、図1(b)に示す左枠ストッパー部114および右枠ストッパー部115がその役割を果たしている。
As shown in FIG. 1 (a), the upper end of each of the substantially elongated left frame portion 2 and right frame portion 3 is connected to the substrate portion 11 of the main body portion 1 via a folding hinge 4 that is rotatable in the vertical direction. At both ends, as shown in FIG. 1 (b), when not playing, the left frame part 2 and the right frame part 3 are folded by the hinge 4 and can be touched at the upper end of the main body, that is, the side surface of the fingerboard part 12. Fold the left frame part 2 with its tip extending further downward from the lower end of the main body part 1 within the length range of the finger plate part 12, and further point the upper ends of the left frame part 2 and the right frame part 3 respectively. By overlapping the lower side of the plate part 12, the vertical and horizontal dimensions of the compact guitar are reduced to a minimum size.
Further, the left frame stopper portion 114 and the right frame stopper portion 115 shown in FIG. 1 (b) serve to prevent the left frame portion 2 and the right frame portion 3 from being folded more than necessary in the direction of the finger plate portion 12. Yes.

次に、本体部1の構造を説明する。
図3は、請求項1記載の本発明の実施例に関する本体部1の構造図であり、(a)は正面図、(b)は側面図、(c)は(b)にギター弦を張った状態を示している。
図3(a)に示すように、本体部1の構成として、基板部11と、基板部11の上部に取り付けられ、指先で弦を押さえて通常のギターと同等の音階、音程を指定する指板部12と、ギター弦が振動する部分の両端となる指板部12の上端に備えた上駒部121および基板部11の下端に備えた下駒部111と、下駒部111の上側の位置で、基板部11の裏側に埋め込まれて、ギター弦を巻き取る弦巻部112と、ギター弦を裏側に導くためのUターン部113を備えている。
Next, the structure of the main body 1 will be described.
FIG. 3 is a structural diagram of the main body 1 relating to the embodiment of the present invention as set forth in claim 1, wherein (a) is a front view, (b) is a side view, and (c) is a guitar string on (b). Shows the state.
As shown in FIG. 3 (a), the structure of the main body 1 is a board 11 and a finger that is attached to the top of the board 11 and specifies a scale and pitch equivalent to those of a normal guitar by pressing a string with a fingertip. The upper part 121 provided at the upper end of the fingerboard part 12 serving as both ends of the part where the guitar string vibrates, the lower piece part 111 provided at the lower end of the board part 11, and the upper part of the lower piece part 111 In this position, a string winding part 112 that is embedded on the back side of the substrate part 11 and winds up the guitar string, and a U-turn part 113 for guiding the guitar string to the back side are provided.

図3(c)に示すように、弦を巻き取る弦巻部112を下駒部111の上側、すなわち張った弦13の振動側の位置で基板部11の裏側に埋め込み、弦13の一方を下駒部111直下のUターン部113で裏側に導き、基板部11の裏側から弦巻部112に巻き取る構造により、コンパクトギター本体部1の縦長が概ね上駒部121と下駒部111の間隔という短さになっている。
尚、弦13の他方側、すなわち上端側は、図3(a)に示すように上駒部121の直近上部に弦の本数分の穴を空け、クラシックギターなどの下駒部直下で使われる一般的な穴巻止めと同じ方法で固定する。
As shown in FIG. 3 (c), a string winding portion 112 for winding a string is embedded on the upper side of the lower piece portion 111, that is, on the back side of the substrate portion 11 at the vibration side of the stretched string 13, and one of the strings 13 is The vertical length of the compact guitar main body 1 is generally the distance between the upper piece 121 and the lower piece 111 due to the structure in which the U-turn portion 113 directly under the piece 111 is guided to the back side and wound around the string winding portion 112 from the back side of the substrate portion 11. It is short.
As shown in FIG. 3 (a), the other side of the string 13, that is, the upper end side, has a hole corresponding to the number of strings in the immediate upper part of the upper piece 121 and is used immediately below the lower piece such as a classical guitar. Fix in the same way as a general hole stopper.

以上のように、請求項1記載の本発明の実施例に関する基本構造は、左枠部2および右枠部3の折り畳み構造と、本体部1の縦長がおおむね通常のギターの上駒部と下駒部の間隔となる構造の組み合わせにより、折り畳むと持ち運び、保管に便利な極限の小さな縦横サイズを実現している。     As described above, the basic structure of the embodiment of the present invention according to claim 1 is that the folding structure of the left frame portion 2 and the right frame portion 3 and the vertically long body portion 1 are generally the upper and lower parts of a normal guitar. By combining the structure that forms the space between the pieces, it is easy to carry when folded and realizes the smallest vertical and horizontal sizes that are convenient for storage.

また、弦を裏側に導くUターン部113において、図3(b)(c)の点線の円で示している2箇所の位置で、固定された円筒形状の表面を弦が滑る構造では、比較的滑りの良い素材でも弦との摩擦抵抗が大きくなり、弦の張力を上げてクラシックギターと同じ所定の音程に調弦する際、弦が切れることがある。
そこで、弦が滑る構造ではなく、弦と直接接し、弦と一体で、弦毎に独立して回る請求項2記載の糸巻き回転部を2箇所、すなわち表糸巻き回転部113Aおよび裏糸巻き回転部113Bを組み込むことにより、摩擦抵抗を大幅に低減させ、前述の弦切れが解消される。
Also, in the U-turn part 113 that leads the string to the back side, the structure in which the string slides on the fixed cylindrical surface at the two positions indicated by the dotted circles in FIGS. Even if the material has good sliding properties, the frictional resistance with the string increases, and when the string tension is increased and the string is tuned to the same pitch as a classic guitar, the string may break.
Therefore, instead of the structure in which the string slides, it is in direct contact with the string, is integral with the string, and independently rotates for each string. The thread winding rotary part according to claim 2, ie, the front thread winding rotary part 113A and the back thread winding rotary part 113B By incorporating, the frictional resistance is greatly reduced and the above-mentioned string breakage is eliminated.

図4は、請求項2記載の本発明の実施例に関する糸巻き回転部の構造を概念的に示したものである。
基本的には、図4(a)および(b)に示すように、両端を保持された固定軸113Aaおよび固定軸113Baを中心にして、弦毎に独立して弦と一体となって回転する円筒回転体113Abおよび円筒回転体113Bbが弦の数だけ組み込まれた回転機構である。
FIG. 4 conceptually shows the structure of the bobbin rotating portion according to the embodiment of the present invention.
Basically, as shown in FIGS. 4 (a) and 4 (b), each string is rotated independently and integrally with each other around the fixed shaft 113Aa and the fixed shaft 113Ba held at both ends. This is a rotating mechanism in which the cylindrical rotating body 113Ab and the cylindrical rotating body 113Bb are incorporated by the number of strings.

さらに、図4(a)の円で囲った部分に、請求項3記載の本発明の実施例に関するガイド溝の構造概念図が示されている。
通常のギターでは弦巻部の直前にある上駒部に弦間隔を等間隔にガイドする溝があるが、下駒部には直後に弦を等間隔に固定する穴巻止め機構があるのでガイド溝はない。
本発明の実施例では、ガイド溝の無い下駒部の後に弦巻部を設けているので、Uターン部113の糸巻き回転部で弦を等間隔にガイドをするために、弦毎に独立して弦と一体で回る円筒回転体の円周方向に、弦が挟まるガイド溝113Acおよびガイド溝113Bcを形成、ガイド溝の間隔が通常のギターの弦間隔と同じになるように前記溝付き円筒回転体を配置した構造となっている。
本実施例では、糸巻き回転部は2箇所共、前記溝付き円筒回転体構造であるが、Uターン部の機能上、少なくとも弦のガイドが必要な下駒部に近い方の表糸巻き回転部113Aは溝付き円筒回転体にする必要があるが、もう一方の弦巻部に近い方の裏糸巻き回転部113Bは溝の無い単なる円筒回転体構造でも、弦巻きによる弦位置の左右のズレが、独立して回る個々の円筒幅から外れないように個々の円筒幅長を調整することにより、特に問題はない。
Furthermore, a conceptual view of the structure of the guide groove relating to the embodiment of the present invention as set forth in claim 3 is shown in a circled portion of FIG. 4 (a).
In a normal guitar, there is a groove that guides the spacing of the strings at equal intervals in the upper piece portion just before the string winding portion, but there is a hole winding mechanism that fixes the strings at equal intervals immediately after the lower piece portion. There is no.
In the embodiment of the present invention, since the string winding portion is provided after the lower piece portion without the guide groove, in order to guide the strings at equal intervals by the bobbin winding portion of the U-turn portion 113, each string is independently provided. A guide groove 113Ac and a guide groove 113Bc are formed in the circumferential direction of the cylindrical rotating body that rotates integrally with the strings, and the grooved cylindrical rotating body is formed so that the distance between the guide grooves is the same as that of a normal guitar. It is the structure which arranged.
In the present embodiment, the bobbin winding part has the grooved cylindrical rotating body structure in both places, but the front thread winding rotating part 113A closer to the lower piece part that requires at least a string guide for the function of the U-turn part. It is necessary to make a cylindrical rotating body with a groove, but the back thread winding rotating part 113B closer to the other string winding part is a simple cylindrical rotating body structure without a groove, but the left and right deviation of the string position by the string winding is independent Thus, there is no particular problem by adjusting the individual cylinder width lengths so as not to deviate from the individual cylinder widths rotating around.

また、本実施例では、図4(a)(b)に示すように2度ターンを行って合計180度のUターンを行う構造を採用しているが、図4(c)(d)に示すように一箇所の単一糸巻き回転部113Cで180度ターンを行う方法もある。
この場合、円筒回転体の円径が2箇所のケースより大きくなり、その分コンパクトギター本体部の縦長が長くなるが、構造的には非常に簡単になる。
Further, in this embodiment, as shown in FIGS. 4 (a) and 4 (b), a structure is used in which a turn is performed twice and a U-turn of a total of 180 degrees is employed. As shown, there is also a method of performing a 180-degree turn with a single single thread winding rotary portion 113C.
In this case, the circular diameter of the cylindrical rotating body is larger than that of the two cases, and the vertical length of the compact guitar main body is increased correspondingly, but the structure is very simple.

図5は、請求項4記載の本発明の実施例に関する左右両枠部と指板部との重なりの概念図である。
図1(b)に示すように、右枠部3を指板部方向に折り畳む際、右枠部3の上端が指板部12の下側に重なるように折り畳まれるが、図5(a)の右枠部3のA-A’断面図である図5(b)のへこみ形状部32に示すように右枠部3の左側角部分をへこみ形状にすることにより、重なる部分で相互に干渉することもなく、また厚さが増すこともなく、右枠部3の折り畳みヒンジ4の位置を指板部12に近寄せて折り畳む構造が可能となり、折り畳み状態の横幅短縮に貢献している。
FIG. 5 is a conceptual diagram of the overlap between the left and right frame portions and the fingerboard portion according to the embodiment of the present invention.
As shown in FIG. 1 (b), when the right frame 3 is folded in the direction of the fingerboard, the upper end of the right frame 3 is folded so as to overlap the lower side of the fingerboard 12, but FIG. 5A, which is a cross-sectional view taken along the line AA ′ of the right frame portion 3 of FIG. 5B, the left corner portion of the right frame portion 3 is formed into a dent shape, thereby interfering with each other at overlapping portions. Without being increased in thickness and without increasing the thickness, the folding hinge 4 of the right frame portion 3 can be folded close to the finger plate portion 12, which contributes to shortening the lateral width of the folded state.

また、図5(b)に示すように、右枠部3の左側にはへこみ形状部32があり、折り畳みの際、右枠部3の上端が指板部12の下側に潜り込む構造になっているが、左枠部2にはへこみ形状部は無い。
これは、右肘で抱える保持位置が左枠部2の演奏面すなわち表面と側面の角部であり、へこみ形状部を設けると丁度その位置と重なり、通常のギターとの右手の弾き奏感覚の違いに影響するからである。
前述の弾き奏感に影響させずに、へこみ形状部方式と同じように横幅を短縮させる構造として、図5(c)に左枠部2を例にした斜め折り畳みの概念図を示している。
図5(c)に示すように左枠部2の折り畳みヒンジ4を傾けて取り付けることにより、前記左枠部2を指板部方向に折り畳む際、斜め方向に折り畳まれ、左枠部2の上端を指板部12の下側に干渉することなく重ねることが可能、この方式も折り畳みヒンジ4の位置を指板部方向に近寄せて折り畳む構造が可能となり、横幅の短縮に貢献する。
本構造は、右肘での保持に影響するへこみ形状部もなく、また厚みもほとんど変わらず、理論的には、左枠部2が指板部12の下に重なって近寄った距離の1/2が横幅短縮効果になる。
Further, as shown in FIG. 5 (b), there is a concave portion 32 on the left side of the right frame portion 3, and the upper end of the right frame portion 3 sinks below the finger plate portion 12 when folded. However, the left frame portion 2 has no dent-shaped portion.
This is because the holding position held by the right elbow is the playing surface of the left frame part 2, i.e., the corners of the front and side surfaces. Because it affects the difference.
As a structure for shortening the horizontal width in the same manner as the dent-shaped portion method without affecting the playing feeling described above, FIG. 5 (c) shows a conceptual diagram of oblique folding using the left frame portion 2 as an example.
As shown in FIG. 5 (c), the folding hinge 4 of the left frame 2 is tilted and attached, so that when the left frame 2 is folded in the direction of the fingerboard, it is folded in an oblique direction, and the upper end of the left frame 2 is Can be stacked without interfering with the lower side of the finger plate portion 12, and this method also allows the folding hinge 4 to be folded close to the finger plate portion, thereby contributing to a reduction in lateral width.
This structure has no dent shape part that affects the holding at the right elbow, and the thickness is almost unchanged, theoretically the left frame part 2 overlaps the fingerboard part 12 and approaches 1 / 2 is the width reduction effect.

この斜め折り畳み方式は右枠部3にも適用可能であるが、右枠部3の長さが短いことから折り畳み角度が大きくなり、それによる厚み増に対応して厚み方向の形状修正が必要となり、また、斜め折り畳み方式を適用しても右枠部3の構造上の干渉から、小さくはなるもののへこみ形状部分は残る。
そこで本実施例では、横幅短縮の為に左右両枠部を指板部の下側に重ねる方式として、右枠部3はへこみ形状部方式、左枠部2は斜め折り畳み方式を採用しているが、設計者の考え方、或は目指すギターがクラシックなのか、フォークなのかなどギターの保持特性等から両方式の種々の組み合わせが採用可能である。
This oblique folding method can also be applied to the right frame part 3, but the folding angle increases because the length of the right frame part 3 is short, and it is necessary to modify the shape in the thickness direction to accommodate the increased thickness. In addition, even if the oblique folding method is applied, the dent-shaped part remains although it is reduced due to the structural interference of the right frame part 3.
Therefore, in the present embodiment, as a method of overlapping the left and right frame portions on the lower side of the fingerboard portion in order to reduce the lateral width, the right frame portion 3 adopts a dent shape portion method and the left frame portion 2 adopts an oblique folding method. However, various combinations of both types can be adopted from the viewpoint of the designer or the holding characteristics of the guitar, such as whether the target guitar is classic or folk.

図6は、請求項5記載の本発明の実施例に関する厚み追加部の構造を概念的に示したものである。
従来の共鳴胴の無いタイプの靜音ギターは収納保管、持ち運びに便利なように外枠部の厚みが通常のギターの共鳴胴の厚みよりかなり薄く、その分、ギターの演奏面が体に近付き過ぎるとの不満がネット書き込みなどで多く指摘されているが、本コンパクトギターも通常、外枠部の厚みは同様に薄いものの、左枠部裏面に取り付けられた厚み追加部をワンタッチで取り外し、胸との接触部に追加して重ねると、通常のギターの共鳴胴とほぼ同等の厚み約9cmとなり、通常のギターと同じ保持姿勢が可能となる。
図6(a)は、左枠部2の裏面を示す底面図と側面図であり、斜線を付した厚み追加部23が取り外す前のホーム位置にあり、図6(b)は取り外して胸との接触部、すなわち胸当て部21に追加して重ねた状態を示している。
前記ホーム位置は必ずしもこの場所である必要はなく、図6(a)の左枠部の例が示すように、左枠部、右枠部、基板部の厚さがヒンジの取り付け幅、胸との接触位置の厚さなどによりAとBの2段階あることを利用して、厚さの薄い方Bの場所であれば、左枠部、右枠部、基板部いずれかの裏面のデザイン上望ましい場所がホーム位置として選択可能である、
厚み追加部5の形状条件としては、まず図6(b)に示すように胸との接触部に重ねたとき、合計の厚さが通常のギターの共鳴胴の厚さとほぼ同等となるのに必要充分な板厚であること、また、胸との接触部分の形状が通常のギターの接触部分と同形状であることが必要条件となる。
FIG. 6 conceptually shows the structure of the additional thickness portion according to the embodiment of the present invention.
A conventional roaring guitar without a resonance drum is much thinner than an ordinary guitar's resonance drum so that it can be easily stored, carried and carried, and the playing surface of the guitar is too close to the body. Although this compact guitar usually has the same thickness as the outer frame part, the additional thickness part attached to the back of the left frame part can be removed with a single touch. If it is added to the contact part and stacked, the thickness becomes about 9cm, which is almost the same as the resonance body of a normal guitar, and the same holding posture as a normal guitar is possible.
FIG. 6A is a bottom view and a side view showing the back surface of the left frame portion 2, where the hatched thickness adding portion 23 is in the home position before removal, and FIG. The contact portion, that is, the chest pad portion 21 is shown in a superimposed state.
The home position does not necessarily need to be this place. As shown in the example of the left frame part in FIG. 6A, the thickness of the left frame part, the right frame part, and the board part is the hinge mounting width, chest and By using the fact that there are two stages, A and B, depending on the thickness of the contact position, if the location of the thinner B is the design on the back of the left frame, right frame, or board Desirable place can be selected as home position,
As for the shape condition of the additional thickness portion 5, first, when it is overlapped with the contact portion with the chest as shown in FIG. 6 (b), the total thickness is almost equal to the thickness of the resonance drum of a normal guitar. It is a necessary condition that the plate has a necessary and sufficient thickness, and that the shape of the contact portion with the chest is the same shape as the contact portion of a normal guitar.

図1(a)に、請求項6および請求項7記載のワンタッチ固定構造に関するマグネット結合機構5の拡大概念図を円で囲って示している。
取り付け面より突出したマグネット51が、他方の取り付け面より引っ込んだ位置、すなわち穴底に取り付けられた鉄片52に矢印のように吸着されていく状態を示している。
また、マグネット51の厚みを利用して、その外枠と鉄片52の取り付け穴53の隙間の無い嵌めあい構造により、ガタツキの無いしっかりした固定が実現し、しかもねじ止め構造、又は掛け金構造で固定する方式は固定・開放にそれなりの操作が必要になるが、本構造は磁石吸着方式の為、ワンタッチ着脱操作が可能になっている。
FIG. 1A shows an enlarged conceptual diagram of the magnet coupling mechanism 5 related to the one-touch fixing structure according to claim 6 and claim 7 in a circle.
The magnet 51 protruding from the attachment surface is attracted as shown by an arrow to the position retracted from the other attachment surface, that is, the iron piece 52 attached to the hole bottom.
In addition, by using the thickness of the magnet 51 and the fitting structure without a gap between the outer frame and the mounting hole 53 of the iron piece 52, a firm fixing without backlash is achieved, and it is fixed with a screwed structure or a latch structure This method requires a certain amount of operation to fix and release, but this structure is a magnet adsorption method, so one-touch attachment and detachment operations are possible.

本発明の実施例において、左右外枠部の折り畳み機構にヒンジを採用しており、一般的にかなりしっかりしたヒンジであっても部品構造上どうしても多少の緩み、ガタツキが出やすい。
そこで、請求項6記載の構造として、左右外枠部の基板部11への固定にネオジウム磁石の強い吸着力と隙間の無い嵌めあい構造の前記マグネット結合機構の採用し、演奏状態においてガタツキの無い左右両外枠部の固定およびワンタッチ着脱操作を実現している。
図1(a)に、演奏状態の左右両枠部のマグネット結合機構5の取り付け位置を示しており、演奏状態において通常の取り回しで容易に左右外枠部が外れてだらりと下がらないように、しっかり保持固定もされている。
In the embodiment of the present invention, a hinge is adopted as a folding mechanism for the left and right outer frame portions, and even if the hinge is generally quite solid, the part structure is inevitably somewhat loosened and easily rattled.
Accordingly, the structure of claim 6 employs the magnet coupling mechanism having a strong attracting force of a neodymium magnet and a fitting structure without a gap for fixing the left and right outer frame portions to the substrate portion 11 so that there is no backlash in the performance state. Realizes both right and left outer frame fixing and one-touch attachment / detachment operations.
Fig. 1 (a) shows the mounting position of the magnet coupling mechanism 5 for both the left and right frame parts in the playing state. In order to prevent the left and right outer frame parts from coming off easily and loosely by normal handling in the playing state. It is also firmly held and fixed.

また、請求項7記載の構造として、厚み追加部23の取り外し重ねる前と後の左枠部2への固定に前記マグネット結合機構を採用し、厚み追加部のガタツキの無い固定およびワンタッチ着脱操作を実現している。
図6(a)(b)に、厚み追加部の取り外し重ねる前と後のマグネット結合機構5の取り付け位置を示している。
Further, as a structure according to claim 7, the magnet coupling mechanism is employed for fixing the left thickness portion 2 before and after the thickness adding portion 23 is removed and stacked, and the thickness adding portion is free of rattling and one-touch attaching / detaching operation. Realized.
6 (a) and 6 (b) show the attachment positions of the magnet coupling mechanism 5 before and after the thickness-added portion is removed and stacked.

以上、請求項1から請求項7までの構造により、本実施例の折り畳み時の縦横サイズは縦長67cm程度、横幅も中央部の最大幅のところでも17cm程度である。
例えば、図1(c)に示す市販の靜音ギターの縦長は実測で97cm程度なので、この縦長67cmは大幅短縮と云える。
また、前述の背景技術の項の外枠片側取り外し方式、或は折り重ね方式の静音ギターの横幅は共に「片側外枠幅+基板幅」であり、既に商品化されている市販品(外枠片側取り外し方式)の靜音ギターの横幅は実測で23cm程度なので、この横幅17cmはかなり小さい。
前述のように、縦横とも非常にコンパクトなサイズになるので、駅コインロッカーの最小タイプ(300円)、或は市販の旅行用スーツケースにも収納可能である。
特に、飛行機に追加料金無しで預けられる3辺の合計157cm以下のスーツケースにも入るので、海外への持参も容易になる。
As described above, according to the structure of the first to seventh aspects, the vertical and horizontal size at the time of folding in this embodiment is about 67 cm in length and the width is about 17 cm at the maximum width in the central portion.
For example, since the vertical length of the commercially available roaring guitar shown in FIG. 1 (c) is about 97 cm by actual measurement, this vertical length of 67 cm can be said to be a significant reduction.
In addition, the lateral width of the outer frame one side removal method or the folding method of the silent guitar in the above-mentioned background art section is “one side outer frame width + substrate width”, which is a commercially available product (outer frame). Since the width of the roaring guitar with one side removal method is about 23cm in actual measurement, this width of 17cm is quite small.
As mentioned above, it is very compact in both length and width, so it can be stored in the smallest station coin locker (300 yen) or in a commercial travel suitcase.
In particular, it is easy to bring your baggage overseas because you can enter a suitcase with a total length of 157cm or less, which can be deposited on an airplane at no additional charge.

また、本明細書ではコンパクトな靜音ギターとして説明しているが、市販されている靜音ギター同様、弦の振動を電気信号として取り出す回路機構と組み合わせることにより、アンプ、スピーカーに接続しコンパクトな発音ギターとして使うことも出来る。
さらに、本発明は元々共鳴胴の無い方式のエレキギターのコンパクト化にも極めて有用である。
In addition, although described in this specification as a compact stuttering guitar, it is connected to an amplifier and speakers by combining it with a circuit mechanism that extracts string vibration as an electric signal, similar to a commercially available stuttering guitar. It can also be used as
Furthermore, the present invention is extremely useful for reducing the size of an electric guitar originally having no resonance body.

本発明は、ギターを製造する産業で利用される。 The present invention is utilized in the industry of manufacturing guitars.

1 本体部
11 基板部
111 下駒部
112 弦巻部
113 Uターン部
113A 表糸巻き回転部
113Aa 軸
113Ab 円筒回転体
113Ac ガイド溝
113B 裏糸巻き回転部
113Ba 軸
113Bb 円筒回転体
113Bc ガイド溝
113C 単一糸巻き回転部
113Ca 軸
114 左ストッパー部
115 右ストッパー部
12 指板部
121 上駒部
13 弦
2 左枠部
21 胸当て部
22 肘置き部
23 厚さ追加部
3 右枠部
31 太腿載せ部
32 へこみ形状部
4 ヒンジ
5 マグネット結合機構
51 マグネット
52 鉄片
53 鉄片取り付け穴
6 共鳴胴
61 胸当て部
62 肘置き部
63 太腿載せ部

1 Main unit
11 Board part
111 Shimokomabe
112 String winding part
113 U-turn club
113A Front thread winding rotary part
113Aa axis
113Ab Cylindrical rotating body
113Ac Guide groove
113B Back thread winding rotation part
113Ba axis
113Bb Cylindrical rotating body
113Bc Guide groove
113C Single thread winding rotary part
113Ca axis
114 Left stopper
115 Right stopper
12 Fingerboard
121 Kamikobe
13 string
2 Left frame
21 Chest rest
22 Elbow rest
23 Additional thickness
3 Right frame
31 Thigh rest
32 Recessed shape
4 Hinge
5 Magnet coupling mechanism
51 Magnet
52 Shingles
53 Iron piece mounting hole
6 Resonance cylinder
61 Chest rest
62 Elbow rest
63 Thigh rest

本発明は、縦横サイズの小さなコンパクトギターに関するものである。         The present invention relates to a compact guitar having a small vertical and horizontal size.

クラシックギターなどでは練習によって上達していくと音が大きくなり、家族、隣人など周囲からうるさがられることが多く、近年、共鳴胴の無い静音タイプのギターが広く使われている。
しかし、この種のギターは共鳴胴が無い代わりに、演奏時に抱えて保持するための外枠があり、音量が小さく、厚さも薄いという大きな利点はあるものの、演奏状態の縦と横のサイズは共鳴胴のある通常のギターとほとんど変わらない。
In classical guitars, the sound becomes louder as you improve through practice, and it often gets loud from your surroundings, such as your family and neighbors. In recent years, quiet type guitars without a resonance drum have been widely used.
However, this type of guitar has an outer frame to hold and hold during performance, instead of having a resonance drum, and although it has the great advantage of low volume and thin thickness, the vertical and horizontal sizes of the playing state are It is almost the same as a normal guitar with a resonance drum.

また、既に市販されている靜音タイプのギターでは、演奏していない時に、縦サイズは変わらないものの、横サイズをより小さくするため、外枠の片側をねじ止め構造にして取り外せるものがあり、外枠を外す、元に戻すにはネジを緩める、締めるなどの手間が掛かり、外した外枠と本体もバラバラになってしまう。
また、回転自在により、外枠の片側を他方の外枠側に折り重ねるものもあるが(例えば、特許文献1参照)、ギターの厚さが増してしまう。
持ち運び、保管にとって、縦サイズが大きいのも辛いし、横サイズも前述のようによ
り小さくしたものでもまだまだ大きく、例えば、仕事で出張した先のホテルで練習したく
ても、前述の静音タイプのギターでも縦長約1mあり、当然スーツケースにも入らず、専
用ケースはさらに大きく、それに入れて別に持って運ぶのも面倒だし、一見してそれと分
かるのも大きな躊躇要因の一つ。
ギター愛好家にとって旅行などの外出先で日々の練習をしたくても、縦横サイズ上のこれらの難点が持ち運びのためらいになっている。
In addition, in the case of a roaring type guitar already on the market, the vertical size does not change when not playing, but in order to make the horizontal size smaller, there are some that can be removed with a screwed structure on one side of the outer frame. To remove and return the frame, it takes time and effort to loosen and tighten the screws, and the removed outer frame and the main body are also separated.
In addition, there is a case where one side of the outer frame is folded to the other outer frame side by being rotatable (see, for example, Patent Document 1), but the thickness of the guitar increases.
For carrying and storage, it is difficult to have a large vertical size, and the horizontal size is still small even if it is smaller as described above. For example, if you want to practice at a hotel where you traveled for work, the silent type guitar mentioned above However, it is about 1m long and of course it does not fit into a suitcase. The special case is even larger, and it is troublesome to carry it separately and carry it separately.
Even though guitar enthusiasts want to practice every day on the go, such as traveling, these difficulties in vertical and horizontal sizes make it difficult to carry around.

特開2014−89248 公報JP, 2014-89248, A

本発明は上記のような難点を解消しようとするものであり、右手と左手の奏法動作、音階などは共鳴胴のある通常のギターと機能的に同じであること、また演奏時に通常のギターでは共鳴胴を胸、右肘、太腿などで保持するので、その保持位置関係も同じであることなどギターとして不可欠な機能要素を具備しつつ、持ち運び、保管に便利なように縦と横のサイズを極限まで小さくした靜音タイプのコンパクトギターを提供することを目的としている。       The present invention is intended to solve the above-mentioned difficulties, and the performance of the right and left hands, the scale, etc. are functionally the same as those of a normal guitar with a resonance drum, Since the resonance body is held by the chest, right elbow, thigh, etc., it has vertical and horizontal sizes so that it is easy to carry and store while having essential functional elements such as the same holding position. The purpose is to provide a roaring-type compact guitar that is made as small as possible.

上記目的を達成するために、請求項1記載に係る発明は、基板部と、前記基板部の両脇に取り付けられ、胸、右肘、太腿などで保持する際、共鳴胴のある通常のギター(以下、通常のギターと呼ぶ)の保持位置および保持形状と略一致する外枠形状および必要充分な外枠長さを有する略長尺形状の左枠部および右枠部と、前記基板部の上部に取り付けられ、指先でギター弦を押さえて通常のギターと同等の音階、音程を指定する指板部と、
弦が振動する部分の両端となる前記指板部の上端に備えた上駒部および前記基板部の下端に備えた下駒部と、前記下駒部の上側の位置で前記基板部の裏側に埋め込まれて、弦を巻き取る弦巻部と、弦を裏側に導くためのUターン部を備えた共鳴胴の無いタイプのコンパクトギターであって、前記左右両枠部の各々上端を上下方向に回転自在の折り畳み機構を介して基板部の両脇に取り付け、各々下端は自由端とする片持ち構造であり、折り畳みの際は前記自由端を上方向に開いて指板部方向に回転させ、前記左右両枠部を指板部に沿わせて、指板部の長さ範囲内に折り畳み可能となる位置に前記回転自在を設けたことを特徴とするコンパクトギター。
In order to achieve the above-mentioned object, the invention according to claim 1 is provided with a normal torso when mounted on a board part and both sides of the board part and held by a chest, a right elbow, a thigh or the like. A substantially elongate left and right frame portions having an outer frame shape and a necessary and sufficient outer frame length substantially matching a holding position and a holding shape of a guitar (hereinafter referred to as a normal guitar), and the substrate portion A fingerboard that is attached to the top of the keyboard and presses the guitar string with your fingertips to specify the same scale and pitch as a normal guitar.
An upper piece portion provided at the upper end of the finger plate portion that becomes both ends of the portion where the string vibrates, a lower piece portion provided at the lower end of the substrate portion, and a back side of the substrate portion at a position above the lower piece portion. It is a compact guitar without a resonance body with a string winding part that is embedded and winds the string, and a U-turn part for guiding the string to the back side, and the upper ends of the left and right frame parts are rotated vertically. It is attached to both sides of the substrate part via a free folding mechanism, each lower end is a cantilever structure with a free end, and when folding, the free end is opened upward and rotated in the direction of the finger plate, A compact guitar characterized in that the left and right frame portions are arranged along the finger plate portion, and the rotation is provided at a position where the frame can be folded within the length range of the finger plate portion.

請求項2記載に係る発明は、Uターン部において、ギター弦と直接接し、弦と一体で、弦毎に独立して回る糸巻き回転部を備えたことを特徴とする請求項1項記載のコンパクトギター。     The invention according to claim 2 is characterized in that the U-turn portion includes a pincushion rotating portion that is in direct contact with the guitar string, and that is integral with the string and independently rotates for each string. guitar.

請求項3記載に係る発明は、Uターン部の糸巻き回転部において、弦毎に独立して、弦と一体で回転する円筒体の円周方向に弦が挟まるガイド溝を形成、前記ガイド溝の間隔が通常のギターの弦間隔と同じになるように前記円筒体を配置したことを特徴とする請求項2記載のコンパクトギター。         According to a third aspect of the present invention, in the bobbin rotating part of the U-turn part, a guide groove is formed in which a string is sandwiched in a circumferential direction of a cylindrical body that rotates integrally with the string independently for each string. 3. The compact guitar according to claim 2, wherein the cylindrical body is arranged so that the interval is the same as the string interval of a normal guitar.

請求項4に係る発明は、左枠部および右枠部を指板部方向に折り畳む際、前記左枠部および右枠部の少なくとも一方の指板部との干渉部分をへこみ形状にする、又は折り畳み機構を傾けて取り付け、斜め方向に折り畳むことにより、左枠部および右枠部の自由端部分が指板部の側に相互に干渉することなく重なるようにしたことを特徴とする請求項1から請求項3いずれか一つ記載のコンパクトギター。 In the invention according to claim 4, when the left frame portion and the right frame portion are folded in the finger plate portion direction, an interference portion with at least one finger plate portion of the left frame portion and the right frame portion is formed into a dent shape, or mounting tilt the folding mechanism, the claims by folding in an oblique direction, wherein the free end portion of the left frame part and Migiwaku portion is to overlap without interfering with each other on the back side of the finger plate portion The compact guitar according to any one of claims 1 to 3.

請求項5に係る発明は、左枠部、右枠部、基板部いずれかの裏側に取り付けられた着脱可能な厚み追加部を取り外して、左枠部の胸が接触する部分の裏側に重ねることにより、その部分の厚さが通常のギターの共鳴胴の厚さと略一致可能となるようにしたことを特徴とする請求項1から請求項4いずれか一つ記載のコンパクトギター。         The invention which concerns on Claim 5 removes the removable thickness addition part attached to the back side in any one of a left frame part, a right frame part, and a board | substrate part, and superimposes it on the back side of the part which the chest of a left frame part contacts. The compact guitar according to any one of claims 1 to 4, wherein the thickness of the portion can be substantially matched with the thickness of a resonance drum of a normal guitar.

請求項6に係る発明は、左枠部および右枠部がそれぞれ折り畳み機構により下方向に閉じた演奏状態のときの、前記左枠部および右枠部の基板部への固定において、左右両枠部の基板部に対する演奏状態の位置決めとなる接合面を左右両枠部と基板部に設け、前記接合面のいずれか一方に取り付けた磁石による着脱可能な結合と、前記接合面の他方に磁石の外枠と隙間の無い穴を設けた嵌めあいによるワンタッチ固定にしたことを特徴とする請求項1から請求項5いずれか一つ記載のコンパクトギター。 According to a sixth aspect of the present invention, in the performance state in which the left frame portion and the right frame portion are closed downward by the folding mechanism, the left frame portion and the right frame portion are fixed to the substrate portion in the left and right frames. The joint surface for positioning the playing state with respect to the substrate portion is provided on both the left and right frame portions and the substrate portion, and a detachable coupling by a magnet attached to one of the joint surfaces and a magnet on the other joint surface. 6. The compact guitar according to claim 1, wherein one-touch fixing is performed by fitting with a hole having no gap between the outer frame and the outer frame .

請求項7に係る発明は、厚み追加部を取り外して重ねる前と後の固定において、厚み追加部と固定される側との接合面のいずれか一方に取り付けられた磁石による着脱可能な結合と、前記接合面の他方に磁石の外枠と隙間の無い穴を設けた嵌めあいによるワンタッチ固定にしたことを特徴とする請求項5記載のコンパクトギター。 The invention according to claim 7 is a detachable coupling by a magnet attached to any one of the joining surfaces of the thickness additional part and the fixed side before and after the thickness additional part is removed and stacked. 6. The compact guitar according to claim 5, wherein one-touch fixing is performed by fitting a hole having no gap with a magnet outer frame on the other joint surface .

本発明により、通常のギターと同じ保持姿勢、音程など必要な機能を具備しつつ、演奏状態の縦長が通常のギターより大幅に短縮され、また演奏していない時には左枠部と右枠部を各々反対方向に起こして、指板部に沿わせ、左枠部を指板部の長さの範囲以内に折り畳むことにより、縦長が概ね上駒部と下駒部の間隔という極限の短さとなり、さらに左枠部および右枠部の一部を指板部と重なるように折り畳む構造により、横幅も背景技術の項で説明した外枠片側取り外し方式、或は折り重ね方式の靜音ギターよりコンパクトにすることが可能となる。
また、前述の外枠片側取り外し方式のように本体部と外枠がバラバラになることもなく、また折り重ね方式のように厚さが増すこともない。
According to the present invention, while maintaining the same holding posture and pitch as a normal guitar, the length of the performance state is greatly shortened compared to a normal guitar, and when not playing, the left frame part and the right frame part are Raising in the opposite direction, along the fingerboard part, and folding the left frame part within the range of the length of the fingerboard part, the vertical length is almost the shortest of the distance between the upper piece part and the lower piece part In addition, the structure that folds the left frame part and the right frame part so that it overlaps with the fingerboard part makes the lateral width more compact than the outer frame one-side removal method or folding method roaring guitar described in the background section. It becomes possible to do.
Further, the main body portion and the outer frame are not separated as in the above-described outer frame one-side removal method, and the thickness is not increased as in the folding method.

本発明の実施例に関する基本構造図Basic structure diagram of an embodiment of the present invention ギターの構造比較図Comparison of guitar structure 本発明の実施例に関する本体部の構造図Structure diagram of main body according to an embodiment of the present invention 本発明の実施例に関する糸巻き回転部の概念図Conceptual diagram of a bobbin rotating part according to an embodiment of the present invention 本発明の実施例に関する左右両枠部と指板部の重なりの概念図Conceptual diagram of overlapping of both left and right frame portions and fingerboard portions according to an embodiment of the present invention 本発明の実施例に関する厚み追加部の概念図The conceptual diagram of the thickness addition part regarding the Example of this invention

図1から図6は、本発明に基づく靜音ギタータイプのコンパクトギターの実施例を説明したものである。
図1は、請求項1記載の本発明の実施例に関する基本構造図である。
大略すると、図1(a)に示すように、本体部1に左枠部2および右枠部3を、各々ヒンジ4を介して結合した構造であり、ヒンジ4により左右両枠部を下方に閉じると図1(a)に示すように演奏状態となり、逆に、図1(a)の矢印のように左右両枠部を上方に開くと、図1(b)に示すように非常にコンパクトな折り畳み状態となる構造である。
FIG. 1 to FIG. 6 illustrate an embodiment of a roaring guitar type compact guitar based on the present invention.
FIG. 1 is a basic structural diagram relating to an embodiment of the present invention.
Briefly, as shown in FIG. 1 (a), a left frame portion 2 and a right frame portion 3 are coupled to a main body portion 1 via hinges 4, respectively. When closed, the player is in the playing state as shown in Fig. 1 (a). Conversely, when the left and right frame parts are opened upward as shown by the arrows in Fig. 1 (a), they are very compact as shown in Fig. 1 (b). This is a structure that is in a folded state.

まず、左右両枠部の構造から説明する。
図2は、(a)本発明のコンパクトギター、(b)共鳴胴のあるギター、(c)既に市販されている靜音タイプギターの概念的な構造比較図である。
(a)は、本発明の共鳴胴の無い靜音タイプのコンパクトギターの構造概念図である。
(b)は、共鳴胴を有するタイプの代表格であるクラシックギターの概念図である。
図2(b)に、クラシックギターを演奏する時に共鳴胴6を保持する際、胸、右肘、太腿の3個所で保持する位置および形状を各々点線の楕円、すなわち胸当て部61、右肘置き部62、太腿載せ部63で示しており、図2(a)に、クラシックギタータイプの本コンパクトギターにおいても前述の3箇所と同じ保持位置および形状を各々点線の楕円、すなわち、胸当て部21、右肘置き部22、太腿載せ部31で示している。
このようにクラシックギターと同じ保持位置、姿勢が可能なように、左枠部2および右枠部3が図2(a)に示すような略長尺形状となっている。
First, the structure of the left and right frame parts will be described.
FIG. 2 is a conceptual structural comparison diagram of (a) a compact guitar of the present invention, (b) a guitar with a resonance body, and (c) a roaring type guitar already on the market.
(a) is a conceptual diagram of the structure of a roaring-type compact guitar having no resonance body according to the present invention.
(b) is a conceptual diagram of a classic guitar, which is a representative type having a resonance body.
FIG. 2 (b) shows the positions and shapes held at the three locations of the chest, the right elbow, and the thigh when holding the resonance torso 6 when playing a classical guitar. This is shown by a placing part 62 and a thigh placing part 63. FIG. 2 (a) also shows the same holding position and shape as the above-mentioned three places in the classical guitar type compact guitar. 21, right elbow rest 22 and thigh rest 31.
Thus, the left frame portion 2 and the right frame portion 3 have a substantially long shape as shown in FIG. 2 (a) so that the same holding position and posture as the classical guitar are possible.

尚、(c)は、共鳴胴の代わりに、演奏時にクラシックギターと同じ保持姿勢が可能な外枠を有する市販の靜音タイプギターであり、外枠の片側だけはネジ止め構造で、演奏していない時にはネジを緩めて本体部から取り外せる構造になっている。
市販の靜音ギターの縦長は、(b)のクラシックギターとほぼ同じであり、とてもコンパクトとは言えず、また、外枠の片側を外す、また取り付けるには2箇所のネジを緩めたり、締めたりする手間が必要であり、さらに外した外枠と本体部がバラバラになるなど、この種の靜音ギターの保管、持ち運びにはいくつかの難点がある。
Note that (c) is a commercially available stuttering type guitar that has an outer frame that can hold the same holding posture as a classical guitar in place of the resonance drum, and only one side of the outer frame is screwed and played. When not in use, the screw can be loosened and removed from the body.
The vertical length of a commercially available roaring guitar is almost the same as the classical guitar in (b). It is not very compact, and one side of the outer frame is removed and two screws are loosened or tightened to attach. There are several difficulties in storing and carrying this kind of roaring guitar, such as the need to take care of it, and the removed outer frame and main body part.

図1(a)に示すように、前記略長尺形状の左枠部2および右枠部3の各々上端を上下方向に回転自在の折り畳みヒンジ4を介して、本体部1の基板部11の両端に取り付け、図1(b)に示すように、演奏していない時、左枠部2及び右枠部3を折り畳みヒンジ4により、本体部上端、すなわち指板部12の側面方向にワンタッチで折り返し、特に本体部1の下端よりさらに下方に先端が伸びていた左枠部2を指板部12の長さ範囲以内に折り畳むこと、さらに左枠部2および右枠部3の各々自由端を指板部12の側と重ねることにより、コンパクトギターの折り畳み状態の縦と横が極限の小さなサイズになる。
また、左枠部2及び右枠部3が指板部12方向に必要以上に折り畳まれないように、図1(b)に示す左枠ストッパー部114および右枠ストッパー部115がその役割を果たしている。
As shown in FIG. 1 (a), the upper end of each of the substantially elongated left frame portion 2 and right frame portion 3 is connected to the substrate portion 11 of the main body portion 1 via a folding hinge 4 that is rotatable in the vertical direction. At both ends, as shown in FIG. 1 (b), when not playing, the left frame part 2 and the right frame part 3 are folded by the hinge 4 and can be touched at the upper end of the main body, that is, the side surface of the fingerboard part 12. Folding, in particular, folding the left frame part 2 whose tip extends further downward from the lower end of the main body part 1 within the length range of the finger plate part 12, and further, free ends of the left frame part 2 and the right frame part 3 respectively. by overlapping the back side of the finger plate 12, vertical and horizontal folded state of the compact guitar is small size limit.
Further, the left frame stopper portion 114 and the right frame stopper portion 115 shown in FIG. 1 (b) serve to prevent the left frame portion 2 and the right frame portion 3 from being folded more than necessary in the direction of the finger plate portion 12. Yes.

次に、本体部1の構造を説明する。
図3は、請求項1記載の本発明の実施例に関する本体部1の構造図であり、(a)は正面図、(b)は側面図、(c)は(b)にギター弦を張った状態を示している。
図3(a)に示すように、本体部1の構成として、基板部11と、基板部11の上部に取り付けられ、指先で弦を押さえて通常のギターと同等の音階、音程を指定する指板部12と、ギター弦が振動する部分の両端となる指板部12の上端に備えた上駒部121および基板部11の下端に備えた下駒部111と、下駒部111の上側の位置で、基板部11の裏側に埋め込まれて、ギター弦を巻き取る弦巻部112と、ギター弦を裏側に導くためのUターン部113 を備えている。
Next, the structure of the main body 1 will be described.
FIG. 3 is a structural diagram of the main body 1 relating to the embodiment of the present invention as set forth in claim 1, wherein (a) is a front view, (b) is a side view, and (c) is a guitar string on (b). Shows the state.
As shown in FIG. 3 (a), the structure of the main body 1 is a board 11 and a finger that is attached to the top of the board 11 and specifies a scale and pitch equivalent to those of a normal guitar by pressing a string with a fingertip. The upper part 121 provided at the upper end of the fingerboard part 12 serving as both ends of the part where the guitar string vibrates, the lower piece part 111 provided at the lower end of the board part 11, and the upper part of the lower piece part 111 In this position, a string winding portion 112 that is embedded on the back side of the substrate portion 11 and winds the guitar string, and a U-turn portion 113 for guiding the guitar string to the back side are provided.

図3(c)に示すように、弦を巻き取る弦巻部112を下駒部111の上側、すなわち張った弦13の振動側の位置で基板部11の裏側に埋め込み、弦13の一方を下駒部111直下のUターン部113で裏側に導き、基板部11の裏側から弦巻部112に巻き取る構造により、コンパクトギター本体部1の縦長が概ね上駒部121と下駒部111の間隔という短さになっている。
尚、弦13の他方側、すなわち上端側は、図3(a)に示すように上駒部121の直近上部に弦の本数分の穴を空け、クラシックギターなどの下駒部直下で使われる一般的な穴巻止めと同じ方法で固定する。
As shown in FIG. 3 (c), a string winding portion 112 for winding a string is embedded on the upper side of the lower piece portion 111, that is, on the back side of the substrate portion 11 at the vibration side of the stretched string 13, and one of the strings 13 is The vertical length of the compact guitar main body 1 is generally the distance between the upper piece 121 and the lower piece 111 due to the structure in which the U-turn portion 113 directly under the piece 111 is guided to the back side and wound around the string winding portion 112 from the back side of the substrate portion 11. It is short.
As shown in FIG. 3 (a), the other side of the string 13, that is, the upper end side, has a hole corresponding to the number of strings in the immediate upper part of the upper piece 121 and is used immediately below the lower piece such as a classical guitar. Fix in the same way as a general hole stopper.

以上のように、請求項1記載の本発明の実施例に関する基本構造は、左枠部2および右枠部3の折り畳み構造と、本体部1の縦長がおおむね通常のギターの上駒部と下駒部の間隔となる構造の組み合わせにより、折り畳むと持ち運び、保管に便利な極限の小さな縦横サイズを実現している。       As described above, the basic structure of the embodiment of the present invention according to claim 1 is that the folding structure of the left frame portion 2 and the right frame portion 3 and the vertically long body portion 1 are generally the upper and lower parts of a normal guitar. By combining the structure that forms the space between the pieces, it is easy to carry when folded and realizes the smallest vertical and horizontal sizes that are convenient for storage.

また、弦を裏側に導くUターン部113において、図3(b)(c)の点線の円で示している2箇所の位置で、固定された円筒形状の表面を弦が滑る構造では、比較的滑りの良い素材でも弦との摩擦抵抗が大きくなり、弦の張力を上げてクラシックギターと同じ所定の音程に調弦する際、弦が切れることがある。
そこで、弦が滑る構造ではなく、弦と直接接し、弦と一体で、弦毎に独立して回る請求項2記載の糸巻き回転部を2箇所、すなわち表糸巻き回転部113Aおよび裏糸巻き回転部113Bを組み込むことにより、摩擦抵抗を大幅に低減させ、前述の弦切れが解消される。
Also, in the U-turn part 113 that leads the string to the back side, the structure in which the string slides on the fixed cylindrical surface at the two positions indicated by the dotted circles in FIGS. Even if the material has good sliding properties, the frictional resistance with the string increases, and when the string tension is increased and the string is tuned to the same pitch as a classic guitar, the string may break.
Therefore, instead of the structure in which the string slides, it is in direct contact with the string, is integral with the string, and independently rotates for each string. The thread winding rotary part according to claim 2, ie, the front thread winding rotary part 113A and the back thread winding rotary part 113B By incorporating, the frictional resistance is greatly reduced and the above-mentioned string breakage is eliminated.

図4は、請求項2記載の本発明の実施例に関する糸巻き回転部の構造を概念的に示したものである。
基本的には、図4(a)および(b)に示すように、両端を保持された固定軸113Aaおよび固定軸113Baを中心にして、弦毎に独立して弦と一体となって回転する円筒回転体113Abおよび円筒回転体113Bbが弦の数だけ組み込まれた回転機構である。
FIG. 4 conceptually shows the structure of the bobbin rotating portion according to the embodiment of the present invention.
Basically, as shown in FIGS. 4 (a) and 4 (b), each string is rotated independently and integrally with each other around the fixed shaft 113Aa and the fixed shaft 113Ba held at both ends. This is a rotating mechanism in which the cylindrical rotating body 113Ab and the cylindrical rotating body 113Bb are incorporated by the number of strings.

さらに、図4(a)の円で囲った部分に、請求項3記載の本発明の実施例に関するガイド溝の構造概念図が示されている。
通常のギターでは弦巻部の直前にある上駒部に弦間隔を等間隔にガイドする溝があるが、下駒部には直後に弦を等間隔に固定する穴巻止め機構があるのでガイド溝はない。
本発明の実施例では、ガイド溝の無い下駒部の後に弦巻部を設けているので、Uターン部113の糸巻き回転部で弦を等間隔にガイドをするために、弦毎に独立して弦と一体で回る円筒回転体の円周方向に、弦が挟まるガイド溝113Acおよびガイド溝113Bcを形成、ガイド溝の間隔が通常のギターの弦間隔と同じになるように前記溝付き円筒回転体を配置した構造となっている。
本実施例では、糸巻き回転部は2箇所共、前記溝付き円筒回転体構造であるが、Uターン部の機能上、少なくとも弦のガイドが必要な下駒部に近い方の表糸巻き回転部113Aは溝付き円筒回転体にする必要があるが、もう一方の弦巻部に近い方の裏糸巻き回転部113Bは溝の無い単なる円筒回転体構造でも、弦巻きによる弦位置の左右のズレが、独立して回る個々の円筒幅から外れないように個々の円筒幅長を調整することにより、特に問題はない。
Furthermore, a conceptual view of the structure of the guide groove relating to the embodiment of the present invention as set forth in claim 3 is shown in a circled portion of FIG. 4 (a).
In a normal guitar, there is a groove that guides the spacing of the strings at equal intervals in the upper piece portion just before the string winding portion, but there is a hole winding mechanism that fixes the strings at equal intervals immediately after the lower piece portion. There is no.
In the embodiment of the present invention, since the string winding portion is provided after the lower piece portion without the guide groove, in order to guide the strings at equal intervals by the bobbin winding portion of the U-turn portion 113, each string is independently provided. A guide groove 113Ac and a guide groove 113Bc are formed in the circumferential direction of the cylindrical rotating body that rotates integrally with the strings, and the grooved cylindrical rotating body is formed so that the distance between the guide grooves is the same as that of a normal guitar. It is the structure which arranged.
In the present embodiment, the bobbin winding part has the grooved cylindrical rotating body structure in both places, but the front thread winding rotating part 113A closer to the lower piece part that requires at least a string guide for the function of the U-turn part. It is necessary to make a cylindrical rotating body with a groove, but the back thread winding rotating part 113B closer to the other string winding part is a simple cylindrical rotating body structure without a groove, but the left and right deviation of the string position by the string winding is independent Thus, there is no particular problem by adjusting the individual cylinder width lengths so as not to deviate from the individual cylinder widths rotating around.

また、本実施例では、図4(a)(b)に示すように2度ターンを行って合計180度のUターンを行う構造を採用しているが、図4(c)(d)に示すように一箇所の単一糸巻き回転部113Cで180度ターンを行う方法もある。
この場合、円筒回転体の円径が2箇所のケースより大きくなり、その分コンパクトギター本体部の縦長が長くなるが、構造的には非常に簡単になる。
Further, in this embodiment, as shown in FIGS. 4 (a) and 4 (b), a structure is used in which a turn is performed twice and a U-turn of a total of 180 degrees is employed. As shown, there is also a method of performing a 180-degree turn with a single single thread winding rotary portion 113C.
In this case, the circular diameter of the cylindrical rotating body is larger than that of the two cases, and the vertical length of the compact guitar main body is increased correspondingly, but the structure is very simple.

図5は、請求項4記載の本発明の実施例に関する左右両枠部と指板部との重なりの概念図である。
図1(b)に示すように、右枠部3を指板部方向に折り畳む際、右枠部3の自由端が指板部12の側に重なるように折り畳まれるが、図5(a)の右枠部3のA-A’断面図である図5(b)のへこみ形状部32に示すように右枠部3の左側角部分をへこみ形状にすることにより、重なる部分で相互に干渉することもなく、また厚さが増すこともなく、右枠部3の折り畳みヒンジ4の位置を指板部12に近寄せて折り畳む構造が可能となり、折り畳み状態の横幅短縮に貢献している。
FIG. 5 is a conceptual diagram of the overlap between the left and right frame portions and the fingerboard portion according to the embodiment of the present invention.
As shown in FIG. 1 (b), when folding the right frame part 3 to the finger plate direction and the free end of the right frame portion 3 is folded so as to overlap the back side of the finger plate 12, FIG. 5 (a 5), which is a cross-sectional view taken along the line AA 'of the right frame portion 3), the left corner portion of the right frame portion 3 is formed into a dent shape as shown in FIG. Without interfering and without increasing the thickness, the folding hinge 4 of the right frame part 3 can be folded close to the finger plate part 12 to contribute to shortening the lateral width of the folded state. .

また、図5(b)に示すように、右枠部3の左側にはへこみ形状部32があり、折り畳みの際、右枠部3の自由端が指板部12の側に潜り込む構造になっているが、左枠部2にはへこみ形状部は無い。
これは、右肘で抱える保持位置が左枠部2の演奏面すなわち表面と側面の角部であり、へこみ形状部を設けると丁度その位置と重なり、通常のギターとの右手の弾き奏感覚の違いに影響するからである。
前述の弾き奏感に影響させずに、へこみ形状部方式と同じように横幅を短縮させる構造として、図5(c)に左枠部2を例にした斜め折り畳みの概念図を示している。
図5(c)に示すように左枠部2の折り畳みヒンジ4を傾けて取り付けることにより、前記左枠部2を指板部方向に折り畳む際、斜め方向に折り畳まれ、左枠部2の自由端を指板部12の側に干渉することなく重ねることが可能、この方式も折り畳みヒンジ4の位置を指板部方向に近寄せて折り畳む構造が可能となり、横幅の短縮に貢献する。
本構造は、右肘での保持に影響するへこみ形状部もなく、また厚みもほとんど変わらず、理論的には、左枠部2が指板部12のに重なって近寄った距離の1/2が横幅短縮効果になる。
Further, as shown in FIG. 5 (b), there are shaped portion 32 recessed on the left side of the right frame portion 3, when folded, the structure in which the free end of the right frame portion 3 slips on the back side of the finger plate portion 12 However, the left frame portion 2 has no dent shape portion.
This is because the holding position held by the right elbow is the playing surface of the left frame part 2, i.e., the corners of the front and side surfaces. Because it affects the difference.
As a structure for shortening the horizontal width in the same manner as the dent-shaped portion method without affecting the playing feeling described above, FIG. 5 (c) shows a conceptual diagram of oblique folding using the left frame portion 2 as an example.
By attaching tilting the folding hinge 4 of left frame portion 2, as shown in FIG. 5 (c), when folding the left frame portion 2 on the finger plate direction, it is folded in the oblique direction, a left frame portion 2 free can be superimposed without interfering with the end on the back side of the finger plate portion 12, this scheme will also position of the folding hinge 4 allows the structure folded Chikayose the finger plate direction, contributing to the shortening of width.
This structure has no dent shape part that affects the holding at the right elbow, and the thickness is almost unchanged, theoretically, the left frame part 2 overlaps the back of the fingerboard part 12 and approaches 1 / 2 is the width reduction effect.

この斜め折り畳み方式は右枠部3にも適用可能であるが、右枠部3の長さが短いことから折り畳み角度が大きくなり、それによる厚み増に対応して厚み方向の形状修正が必要となり、また、斜め折り畳み方式を適用しても右枠部3の構造上の干渉から、小さくはなるもののへこみ形状部分は残る。
そこで本実施例では、横幅短縮の為に左右両枠部を指板部の側に重ねる方式として、右枠部3はへこみ形状部方式、左枠部2は斜め折り畳み方式を採用しているが、設計者の考え方、或は目指すギターがクラシックなのか、フォークなのかなどギターの保持特性等から両方式の種々の組み合わせが採用可能である。
This oblique folding method can also be applied to the right frame part 3, but the folding angle increases because the length of the right frame part 3 is short, and it is necessary to modify the shape in the thickness direction to accommodate the increased thickness. In addition, even if the oblique folding method is applied, the dent-shaped part remains although it is reduced due to the structural interference of the right frame part 3.
Therefore, in the present embodiment, the left and right frame portions for the lateral width shorter as a system to overlay on the back side of the finger plate, the right frame portion 3 is recessed shaped part system, the left frame section 2 employs a diagonal folding method However, various combinations of both types can be adopted from the viewpoint of the designer or the holding characteristics of the guitar, such as whether the target guitar is classic or folk.

図6は、請求項5記載の本発明の実施例に関する厚み追加部の構造を概念的に示したものである。
従来の共鳴胴の無いタイプの靜音ギターは収納保管、持ち運びに便利なように外枠部の厚みが通常のギターの共鳴胴の厚みよりかなり薄く、その分、ギターの演奏面が体に近付き過ぎるとの不満がネット書き込みなどで多く指摘されているが、本コンパクトギターも通常、外枠部の厚みは同様に薄いものの、左枠部裏面に取り付けられた厚み追加部をワンタッチで取り外し、胸との接触部に追加して重ねると、通常のギターの共鳴胴とほぼ同等の厚み約9cmとなり、通常のギターと同じ保持姿勢が可能となる。
図6(a)は、左枠部2の裏面を示す底面図と側面図であり、斜線を付した厚み追加部23が取り外す前のホーム位置にあり、図6(b)は取り外して胸との接触部、すなわち胸当て部21に追加して重ねた状態を示している。
前記ホーム位置は必ずしもこの場所である必要はなく、図6(a)の左枠部の例が示すように、左枠部、右枠部、基板部の厚さがヒンジの取り付け幅、胸との接触位置の厚さなどによりAとBの2段階あることを利用して、厚さの薄い方Bの場所であれば、左枠部、右枠部、基板部いずれかの裏面のデザイン上望ましい場所がホーム位置として選択可能である、
厚み追加部5の形状条件としては、まず図6(b)に示すように胸との接触部に重ねたとき、合計の厚さが通常のギターの共鳴胴の厚さとほぼ同等となるのに必要充分な板厚であること、また、胸との接触部分の形状が通常のギターの接触部分と同形状であることが必要条件となる。
FIG. 6 conceptually shows the structure of the additional thickness portion according to the embodiment of the present invention.
A conventional roaring guitar without a resonance drum is much thinner than an ordinary guitar's resonance drum so that it can be easily stored, carried and carried, and the playing surface of the guitar is too close to the body. Although this compact guitar usually has the same thickness as the outer frame part, the additional thickness part attached to the back of the left frame part can be removed with a single touch. If it is added to the contact part and stacked, the thickness becomes about 9cm, which is almost the same as the resonance body of a normal guitar, and the same holding posture as a normal guitar is possible.
FIG. 6A is a bottom view and a side view showing the back surface of the left frame portion 2, where the hatched thickness adding portion 23 is in the home position before removal, and FIG. The contact portion, that is, the chest pad portion 21 is shown in a superimposed state.
The home position does not necessarily need to be this place. As shown in the example of the left frame part in FIG. 6A, the thickness of the left frame part, the right frame part, and the board part is the hinge mounting width, chest and By using the fact that there are two stages, A and B, depending on the thickness of the contact position, if the location of the thinner B is the design on the back of the left frame, right frame, or board Desirable place can be selected as home position,
As for the shape condition of the additional thickness portion 5, first, when it is overlapped with the contact portion with the chest as shown in FIG. 6 (b), the total thickness is almost equal to the thickness of the resonance drum of a normal guitar. It is a necessary condition that the plate has a necessary and sufficient thickness, and that the shape of the contact portion with the chest is the same shape as the contact portion of a normal guitar.

図1(a)に、請求項6および請求項7記載のワンタッチ固定構造に関するマグネット結合機構5の拡大概念図を円で囲って示している。
取り付け面より突出したマグネット51が、他方の取り付け面より引っ込んだ位置、すなわち穴底に取り付けられた鉄片52に矢印のように吸着されていく状態を示している。
また、マグネット51の厚みを利用して、その外枠と鉄片52の取り付け穴53の隙間の無い嵌めあい構造により、ガタツキの無いしっかりした固定が実現し、しかもねじ止め構造、又は掛け金構造で固定する方式は固定・開放にそれなりの操作が必要になるが、本構造は磁石吸着方式の為、ワンタッチ着脱操作が可能になっている。
FIG. 1A shows an enlarged conceptual diagram of the magnet coupling mechanism 5 related to the one-touch fixing structure according to claim 6 and claim 7 in a circle.
The magnet 51 protruding from the attachment surface is attracted as shown by an arrow to the position retracted from the other attachment surface, that is, the iron piece 52 attached to the hole bottom.
In addition, by using the thickness of the magnet 51 and the fitting structure without a gap between the outer frame and the mounting hole 53 of the iron piece 52, a firm fixing without backlash is achieved, and it is fixed with a screwed structure or a latch structure This method requires a certain amount of operation to fix and release, but this structure is a magnet adsorption method, so one-touch attachment and detachment operations are possible.

本発明の実施例において、左右外枠部の折り畳み機構にヒンジを採用しており、一般的にかなりしっかりしたヒンジであっても部品構造上どうしても多少の緩み、ガタツキが出やすい。
そこで、請求項6記載の構造として、左右外枠部の基板部11への固定にネオジウム磁石の強い吸着力と隙間の無い嵌めあい構造の前記マグネット結合機構の採用し、演奏状態においてガタツキの無い左右両外枠部の固定およびワンタッチ着脱操作を実現している。
図1(a)に、演奏状態の左右両枠部のマグネット結合機構5の取り付け位置を示しており、演奏状態において通常の取り回しで容易に左右外枠部が外れてだらりと下がらないように、しっかり保持固定もされている。
In the embodiment of the present invention, a hinge is adopted as a folding mechanism for the left and right outer frame portions, and even if the hinge is generally quite solid, the part structure is inevitably somewhat loosened and easily rattled.
Accordingly, the structure of claim 6 employs the magnet coupling mechanism having a strong attracting force of a neodymium magnet and a fitting structure without a gap for fixing the left and right outer frame portions to the substrate portion 11 so that there is no backlash in the performance state. Realizes both right and left outer frame fixing and one-touch attachment / detachment operations.
Fig. 1 (a) shows the mounting position of the magnet coupling mechanism 5 for both the left and right frame parts in the playing state. In order to prevent the left and right outer frame parts from coming off easily and loosely by normal handling in the playing state. It is also firmly held and fixed.

また、請求項7記載の構造として、厚み追加部23の取り外し重ねる前と後の左枠部2への固定に前記マグネット結合機構を採用し、厚み追加部のガタツキの無い固定およびワンタッチ着脱操作を実現している。
図6(a)(b)に、厚み追加部の取り外し重ねる前と後のマグネット結合機構5の取り付け位置を示している。
Further, as a structure according to claim 7, the magnet coupling mechanism is employed for fixing the left thickness portion 2 before and after the thickness adding portion 23 is removed and stacked, and the thickness adding portion is free of rattling and one-touch attaching / detaching operation. Realized.
6 (a) and 6 (b) show the attachment positions of the magnet coupling mechanism 5 before and after the thickness-added portion is removed and stacked.

以上、請求項1から請求項7までの構造により、本実施例の折り畳み時の縦横サイズは縦長67cm程度、横幅も中央部の最大幅のところでも17cm程度である。
例えば、図1(c)に示す市販の靜音ギターの縦長は実測で97cm程度なので、この縦長67cmは大幅短縮と云える。
また、前述の背景技術の項の外枠片側取り外し方式、或は折り重ね方式の静音ギターの横幅は共に「片側外枠幅+基板幅」であり、既に商品化されている市販品(外枠片側取り外し方式)の靜音ギターの横幅は実測で23cm程度なので、この横幅17cmはかなり小さい。
前述のように、縦横とも非常にコンパクトなサイズになるので、駅コインロッカーの最小タイプ(300円)、或は市販の旅行用スーツケースにも収納可能である。
特に、飛行機に追加料金無しで預けられる3辺の合計157cm以下のスーツケースにも入るので、海外への持参も容易になる。
As described above, according to the structure of the first to seventh aspects, the vertical and horizontal size at the time of folding in this embodiment is about 67 cm in length and the width is about 17 cm at the maximum width in the central portion.
For example, since the vertical length of the commercially available roaring guitar shown in FIG. 1 (c) is about 97 cm by actual measurement, this vertical length of 67 cm can be said to be a significant reduction.
In addition, the lateral width of the outer frame one side removal method or the folding method of the silent guitar in the above-mentioned background art section is “one side outer frame width + substrate width”, which is a commercially available product (outer frame). Since the width of the roaring guitar with one side removal method is about 23cm in actual measurement, this width of 17cm is quite small.
As mentioned above, it is very compact in both length and width, so it can be stored in the smallest station coin locker (300 yen) or in a commercial travel suitcase.
In particular, it is easy to bring your baggage overseas because you can enter a suitcase with a total length of 157cm or less, which can be deposited on an airplane at no additional charge.

また、本明細書ではコンパクトな靜音ギターとして説明しているが、市販されている靜音ギター同様、弦の振動を電気信号として取り出す回路機構と組み合わせることにより、アンプ、スピーカーに接続しコンパクトな発音ギターとして使うことも出来る。
さらに、本発明は元々共鳴胴の無い方式のエレキギターのコンパクト化にも極めて有用である。
In addition, although described in this specification as a compact stuttering guitar, it is connected to an amplifier and speakers by combining it with a circuit mechanism that extracts string vibration as an electric signal, similar to a commercially available stuttering guitar. It can also be used as
Furthermore, the present invention is extremely useful for reducing the size of an electric guitar originally having no resonance body.

本発明は、ギターを製造する産業で利用される。     The present invention is utilized in the industry of manufacturing guitars.

1本体部
11 基板部
111 下駒部
112 弦巻部
113 Uターン部
113A 表糸巻き回転部
113Aa 軸
113Ab 円筒回転体
113Ac ガイド溝
113B 裏糸巻き回転部
113Ba 軸
113Bb 円筒回転体
113Bc ガイド溝
113C 単一糸巻き回転部
113Ca 軸
114 左ストッパー部
115 右ストッパー部
12 指板部
121 上駒部
13 弦
2 左枠部
21 胸当て部
22 肘置き部
23 厚さ追加部
3 右枠部
31 太腿載せ部
32 へこみ形状部
4 ヒンジ
5 マグネット結合機構
51 マグネット
52 鉄片
53 鉄片取り付け穴
6 共鳴胴
61 胸当て部
62 肘置き部
63 太腿載せ部
1 Body part
11 Board part
111 Shimokomabe
112 String winding part
113 U-turn club
113A Front thread winding rotary part
113Aa axis
113Ab Cylindrical rotating body
113Ac Guide groove
113B Back thread winding rotation part
113Ba axis
113Bb Cylindrical rotating body
113Bc Guide groove
113C Single thread winding rotary part
113Ca axis
114 Left stopper
115 Right stopper
12 Fingerboard
121 Kamikobe
13 string
2 Left frame
21 Chest rest
22 Right elbow rest
23 Additional thickness
3 Right frame
31 Thigh rest
32 Recessed shape
4 Hinge
5 Magnet coupling mechanism
51 Magnet
52 Shingles
53 Iron piece mounting hole
6 Resonance cylinder
61 Chest rest
62 Right elbow rest
63 Thigh rest

Claims (7)

基板部と、
前記基板部の両脇に取り付けられ、胸、右肘、太腿などで保持する際、共鳴胴のある通常のギター(以下、通常のギターと呼ぶ)の保持位置および保持形状と略一致する外枠を有する略長尺形状の左枠部および右枠部と、
前記基板部の上部に取り付けられ、指先でギター弦を押さえて通常のギターと同等の音階、音程を指定する指板部と、
弦が振動する部分の両端となる前記指板部の上端に備えた上駒部および前記基板部の下端に備えた下駒部と、
前記下駒部の上側の位置で前記基板部の裏側に埋め込まれて、弦を巻き取る弦巻部と、
弦を裏側に導くためのUターン部を備えた共鳴胴の無いタイプのコンパクトギターであって、
前記両枠部の各々上端を上下方向に回転自在の折り畳み機構を介して基板部の両脇に取り付け、各々下端を上方向に開いて指板部方向に回転させることにより、前記左右両枠部を指板部に沿わせて、指板部の長さ範囲内に折り畳み可能とし、
弦の一端は前記上駒部の上側に固定し、他端は前記Uターン部を介して、前記下駒部の下側を回って、基板部の裏側から前記弦巻部に巻き取るようにしたことを特徴とするコンパクトギター。
A substrate section;
Attached to both sides of the base plate, when held by the chest, right elbow, thigh, etc., the outer position substantially matches the holding position and holding shape of a normal guitar with a resonance body (hereinafter referred to as a normal guitar). A substantially elongated left and right frame portion having a frame;
A fingerboard part that is attached to the upper part of the substrate part and that specifies the scale and pitch equivalent to those of a normal guitar by holding a guitar string with a fingertip;
An upper piece portion provided at the upper end of the finger plate portion which becomes both ends of a portion where the string vibrates, and a lower piece portion provided at the lower end of the substrate portion;
A string winding portion that is embedded in the back side of the substrate portion at a position above the lower piece portion and winds the string;
A compact guitar with no U-turn part for guiding the strings to the back side and without a resonance body,
The both left and right frame parts are attached to both sides of the board part via folding mechanisms that are rotatable in the vertical direction and the lower ends are opened upward and rotated in the finger plate part direction. Along the fingerboard part, it can be folded within the length of the fingerboard part,
One end of the string is fixed to the upper side of the upper piece part, and the other end is wound around the lower part of the lower piece part via the U-turn part and wound around the string winding part from the back side of the board part. A compact guitar characterized by that.
Uターン部において、ギター弦と直接接し、弦と一体で、弦毎に独立して回る糸巻き回転部を備えたことを特徴とする請求項1項記載のコンパクトギター。   2. The compact guitar according to claim 1, further comprising a bobbin rotating portion that is in direct contact with the guitar string in the U-turn portion, and that is integral with the string and rotates independently for each string. Uターン部の糸巻き回転部において、弦毎に独立して、弦と一体で回転する円筒体の円周方向に弦が挟まるガイド溝を形成、前記ガイド溝の間隔が通常のギターの弦間隔と同じになるように前記円筒体を配置したことを特徴とする請求項2記載のコンパクトギター。 In the bobbin winding part of the U-turn part, a guide groove is formed in which a string is sandwiched in the circumferential direction of a cylindrical body that rotates integrally with the string independently for each string. 3. The compact guitar according to claim 2, wherein the cylindrical bodies are arranged to be the same. 左枠部および右枠部を指板部方向に折り畳む際、前記左枠部および右枠部の少なくとも一方の指板部との干渉部分をへこみ形状にする、又は折り畳み機構を傾けて取り付け、斜め方向に折り畳むことにより、左枠部および右枠部の上端部分が指板部の下側に相互に干渉することなく重なるようにしたことを特徴とする請求項1から請求項3いずれか一つ記載のコンパクトギター。   When folding the left frame part and the right frame part in the direction of the fingerboard part, the interference part with at least one fingerboard part of the left frame part and the right frame part is formed in a dent shape, or the folding mechanism is inclined and attached. 4. One of claims 1 to 3, wherein the upper end portions of the left frame portion and the right frame portion overlap each other without interfering with each other by folding in a direction. The compact guitar described. 左枠部、右枠部、基板部いずれかの裏側に取り付けられた着脱可能な厚み追加部を取り外して、左枠部の胸が接触する部分の裏側に重ねることにより、その部分の厚さが通常のギターの共鳴胴の厚さと略一致可能となるようにしたことを特徴とする請求項1から請
求項4いずれか一つ記載のコンパクトギター。
Remove the removable thickness addition part attached to the back side of either the left frame part, the right frame part, or the board part, and stack it on the back side of the part where the chest of the left frame part comes into contact. The compact guitar according to any one of claims 1 to 4, characterized in that it can be substantially matched with a thickness of a resonance drum of a normal guitar.
左枠部および右枠部がそれぞれ折り畳み機構により下方向に閉じた演奏状態のときの、前記左枠部および右枠部の基板部への固定において、磁石による着脱可能な結合と隙間の無い嵌めあいによるワンタッチ固定にしたことを特徴とする請求項1から請求項5いずれか一つ記載のコンパクトギター。   When the left frame part and the right frame part are closed by the folding mechanism in the downward direction, the left frame part and the right frame part are fixed to the board part, so that the magnet can be detachably connected and fitted with no gap. 6. The compact guitar according to any one of claims 1 to 5, wherein the one-touch fixing is performed with a gap. 厚み追加部を取り外して重ねる前と後の固定において、磁石による着脱可能な結合と隙間の無い嵌めあいによるワンタッチ固定にしたことを特徴とする請求項5記載のコンパクトギター。

6. The compact guitar according to claim 5, wherein, before and after fixing the thickness-added portion, the one-touch fixing is performed by a detachable coupling with a magnet and a fitting with no gap.

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