412717 • A7 B7 五、發明説明M ) (請先閲讀背面之注意事項再填寫本頁) 本案乃係指一種四弦琴所用具雙弓毛之弓，尤指一種 分別設有一固定式第一弓毛及一可移動式第二弓毛之四弦 琴專用弓，俾藉該第二弓毛與該第一弓毛間之間距調整功 能，以提供該四弦琴適當之演秦功效者。 經濟部中央標準局員工消费合作社印製 按習見之擦弦樂器主要係包含兩大族，--為屬中國民 族樂器之胡琴族，而另一則為西洋樂器之提琴族。該兩種 樂器除了性能、音樂表現力及音樂語法均各有所長，無分 軒致外，其演奏方式亦有非常明顯之差異。我國傳統之擦 弦樂器大多係於共鳴筒上架設內外兩無指板弦，再將一弓 子所設之弓毛由該兩弦間穿過，最後再以右手指尖直接接 觸該弓毛之握持方式握持該弓子，而Μ民間所謂之首調觀 念或專業樂圑所謂之固定調觀念，依需求演奏該兩弦。也 就因為弓子同時磨擦該兩弦時，該右手持弓之角度變化係 非常大，甚至該弓毛施力於該內外兩弦之方向亦圼相反狀 態，故極易造成一弓毛因同時磨^兩弦而產生共鳴干擾之 現象，所以該種樂器乃必須避免演奏和聲旋律。反觀西洋 提琴類樂器，其乃係於共鳴箱上架設具指板四弦，而且其 弓子亦係Μ右手握持，但因其演莠時，弓毛之施力乃係施 加於該四弦之外端，故若Μ固定調觀念依需隶演奏時，其 乃哥分別演奏任一弦或同時演奏相鄰之兩弦。故而如何保 存傳統樂器之精髓，進而提升固有樂器性能乃成為本發明 非常重要之課題。 有蟹於此，本發明人乃憑其多年對中國傳統擦弦樂器 之認識與研究，從而開發出一種今古未見且可同時保留習 本紙朵尺度適用中國國家標準（CNS_) Α4规格（210X297公釐） 3 經濟部中央標隼局負工消費合作枉印製 412717 A7 Αν B7 五、發明説明（2 ) 見傳統胡琴類樂器基本發聲原理及按弦操弓法之四弦琴。 該四弦琴除了於共鳴筒上擴充架設無指板四弦外，其並Μ 右手持弓子之方式將該弓子所具有之兩弓毛分別穿插於該 四弦中，並藉可自由分舍之該兩弓毛以磨擦該四弦中之任 一弦或同時磨擦任兩弦Μ進行該樂器之適當演奏坊能。基 本上，該四弦琴於演奏上係具有下列四項特點：一、由於 琴弦係由兩弦變成四弦，故在同一把位上乃可使演奏之音 域倍增。二、由於該四弦琴係可同時藉雙弓毛拉奏兩條弦 ,故可快速獲得飽滿豐沛之和聲音色。三、當四弦學過適 當定音調弦使區分成二組後，其乃可實施主屬調、高低八 度音或指定調等之變換功能等。四、該四弦經適當定音調 弦後，乃可演奏各式音程和聲使搭配單旋律進行，進而増 加音樂之表現力。 誠如上面所述，由於該胡琴類之擦弦樂器係已由兩弦 變成四弦，而且弓子亦由僅具單一弓毛之弓變成同時具有 雙弓毛之弓，故而如何開發出一種可適用於該四弦擦弦樂 器之弓即屬本發明所要探討者。 所Μ本發明之主要發明目的，即係提供一種四弦琴所 用具雙弓毛之弓，俾藉著一由主弓架及副弓架所構成之弓 ,Μ使該主弓架及副弓架係可分別固設一第一弓毛及一第 二弓毛，進而藉著該副弓架可左、右移動以驅動該第二弓 毛上、下水平移動之功能，使有效調整該第二弓毛與該第 一弓毛間之間距，從而達到演奏該四弦琴之功效者。 兹為進一步閫明本發明之詳细構造及其特徵，特配合 本紙張尺度適用中园國家標準（CNS ) Α4規格（210Χ 297公釐） 4 (請先閲讀背面之注意事項^填寫本頁)412717 • A7 B7 V. Description of the invention M) (Please read the notes on the back before filling out this page) This case refers to a double bow hair bow used by a ukulele, especially a fixed first bow. Mao and a movable second bow hair special ukulele bow, by using the function of adjusting the distance between the second bow hair and the first bow hair to provide the appropriate performance of the ukulele. Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs. The stringed musical instruments according to common practice mainly consist of two major groups, the Huqin tribe, which is a Chinese national musical instrument, and the other, a violin tribe, which is a Western musical instrument. In addition to the performance, musical expressiveness, and musical grammar of the two instruments, each of them has no distinction, and their playing methods are also very different. Most of the traditional Chinese string wiping instruments are mounted on the resonance tube with two fingerless string strings inside and outside, and then the bow hair set by a bow is passed between the two strings, and finally the right fingertip directly contacts the bow hair. Hold the bow, and the so-called first-key concept of the M folk or the so-called fixed-key concept of the professional music, play the two strings as required. That is, when the bow rubs the two strings at the same time, the angle change of the right-handed bow is very large, and even the direction of the bow hair's force on the inner and outer strings is opposite, so it is very easy to cause a bow hair to be worn ^ Resonance interference caused by two strings, so this instrument must avoid playing harmony melody. In contrast, western-style violin instruments are mounted on the resonance box with a fretboard four strings, and their bows are also held by M's right hand. However, due to their performance, the force of the bow hair is applied to the outer end of the four strings. Therefore, if the concept of M fixed key is played as required, it is the brother who plays either string or two adjacent strings at the same time. Therefore, how to preserve the essence of traditional musical instruments and improve the performance of inherent musical instruments has become a very important subject of the present invention. There are crabs here, and the inventors have developed their knowledge and research of traditional Chinese string-scratching instruments for many years, so that they have developed a paper standard that is not seen in ancient times and can retain the Chinese paper standard (CNS_) Α4 size (210X297). 3) Printed by the Central Bureau of Standards, Ministry of Economic Affairs, Consumer Cooperative Work, and printed 412717 A7 Αν B7 V. Description of Invention (2) See the basic vocal principle of traditional harpsichord instruments and ukulele for string bowing. In addition to the four strings on the resonance tube, the ukulele is extended with a fingerless bow, and the two bow hairs of the bow are inserted into the four strings, and can be freely divided. The two bow hairs can be rubbed on any of the four strings or rubbed on both strings M at the same time for proper performance of the instrument. Basically, the ukulele has the following four characteristics in the performance: First, because the string system changes from two strings to four strings, it can double the range of performance in the same position. Second, because the ukulele can play two strings at the same time by double-bow hair, it can quickly get full and rich harmony. 3. After the four strings have been learned properly, the tonal strings can be divided into two groups, which can be used to change the main tone, octave, or designated tone. Fourth, after the four strings are properly tuned, various intervals and harmonies can be played with a single melody, thereby increasing the expressiveness of the music. As mentioned above, since the harpsichord string wiping instrument system has changed from two strings to four strings, and the bow has also changed from a bow with a single bow hair to a bow with both bow hairs, how to develop a suitable The bow of the four-string wiping instrument belongs to the subject of the present invention. The main purpose of the present invention is to provide a double bow hair bow for a ukulele. By using a bow composed of a main bow frame and a secondary bow frame, the main bow frame and the auxiliary bow The frame can be respectively fixed with a first bow hair and a second bow hair, and then the auxiliary bow frame can be moved left and right to drive the second bow hair to move up and down horizontally, so that the first bow hair can be effectively adjusted. The distance between the two bow hairs and the first bow hair, so as to achieve the effect of playing the ukulele. In order to further clarify the detailed structure and characteristics of the present invention, the paper size is applicable to the National Park Standard (CNS) A4 specification (210 × 297 mm) 4 (Please read the precautions on the back first ^ Fill this page)
412717 • A7 B7 五、發明説明（3 ) 附圖所示，詳述於后： 圖式之簡單說明： 第一圖：係本發明四弦琴所用具雙弓毛之弓的立體構造分 解圖。 第二圖：係本發明四弦琴所用具雙弓毛之弓的立體構造組 合圖。 第三A圖：係本發明四弦琴所用具雙弓毛之弓的構造示意 圖，此時第一弓毛與第二弓毛係維持在最小間距 之狀態下。 第三B圖：係本發明所設副弓架於第三A圖狀態下之上視 圖。 第四A圖：係本發明四弦琴所用具雙弓毛之弓的另一構造 示意圖，此時第一弓毛與第二弓毛間之間距係形 成較該第三A圖所示間距大之狀態者。 第四B圖：係本發明辦設副弓架於第四A圖狀態下之上視 圖〇 經濟部中央標準局員工消費合作社印製 (請先閔讀背面之注意事項再填寫本頁) 第五圖至第八圖：係本發明具雙弓毛之弓進行四種不同和 弦組合之演奏示意圖。 第九圖至第十二圖：係本發明具雙弓毛之弓進行四種不同 單弦演奏之示意圖。 圔號之簡單說明： 主弓架 10 長條架體 11 縱向滑槽 12 握持部 13 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 5 412717 at B7 五、發明説明（4 ) 弓毛固定座 20 下方通孔 21 限位凸條 22、23 弓毛固定座 30 下方通孔 31 限位凸條 32、33 張力調整裝置 40 -螺挥 41 調整移動塊 42 旋鈕 43 移動桿 44 第一弓毛 50 端部 51、 52 副弓架 60 長條板片 61 拖拉部 62 彈琴 63 滾珠 64 移動座 70 滑輪 71、 72 固定結構 73 調整鈕 74 移動座 80 滑輪 81、 82 固定結構 83 , ► 第—弓毛 90 (請先閱讀背面之注意事項再填寫本頁) 請參閲附圖所示，本發明所揭露四弦琴所用具雙弓毛 之弓，主要係由一主弓架10及一副弓架60所構成，其中該 主弓架10乃係由一長條锻體11所構成，該長條架體11除了 於其兩端適當位置處分別向上設有一弓毛固定座20及30外 ，該弓毛固定座20之上方並另設有一弓毛_力調整裝置40 ，該張力調整裝置40係包含一貫穿該弓毛固定座20項部之 螺稈41及一套設在該螺桿41上並圼可隨著該螺桿41之轉動 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 6 412717 • . A7 __._B7_ 五、發明説明（5 ) 而前後移動之調整移動塊42,另該螺桿41之外側端係設有 —旋鈕43,而該調蝥移動塊42並設有一貫穿該弓毛固定座 20頂部且與該螺棒41圼平行設置之移動桿44，俾用以限制 該調整移動塊42里現只能前後移動而不能隨該螺桿41轉動 之作動齡態者。故當將一第一弓毛50之兩端部51及52分別 固定在該調整移動塊42及該弓毛固定座30之適當位置處時 ，該第一弓毛卩可藉著該張力調整裝置40所設旋鈕43之 轉動綢整功能，Μ使該調整移動塊42產生左、右移動之現 象，進而達到調整該第一弓毛50張力強度之功效者巧 該二弓毛固定座20及30除了係分別圼具有一下方通孔 21及31之ΓΤ字造锻外，該下方通孔21及31所設兩側壁之內 側緣處並分別設有一相對應之限位凸條22、23及32、33 ; 另該二弓毛固定座20及30間之長條架體11並設有一縱向滑 槽12 ,而且該縱向濟槽12並係向其兩側端延伸使分別穿過 該二弓毛固定座20及30之下方處；另該長條架體11並更進 —步延伸至該弓毛固定座20之外側處，使形成一可供演莠 者握持之握持部13。 衄濟部中央#準局員工消費合作衽印製 (請先閱讀背面之注$項再填寫本頁) 而該副弓架60,除了設有—可供套插於該主弓架10所 設縱向滑槽12中之長條板片61外，該長條板片61於對應該 主弓架10所設握持部13之一端並設有一可供演奏者Μ拇指 套置其間之拖拉部62 ;另該長條板片61於·對應該主弓架1〇 所設二弓毛固定座20及30處並分別樞設有—頂端圼自由端 之移動座70、80 ;該二移動座70及80除了可分別套穿該弓 毛固定座20及30所設之下方通孔21及31外，其頂端處兩側 本紙張尺度適用中國國家標準（CNS ) Α4规格（210X297公釐） 7 412711 at __B7__ 五、發明说明（6 ) 並分別設有一可靠置在該下方通孔21及31所設對應限位凸-條22、23及32、33內側處之滑輪71、72及81、82,另該二 移動座70及80頂端並分別設有可提供一第二弓毛90兩端部 固設之固定結構73、83,而且該移動座70所設之固定結構 73並係圼可藉一調整紐74M控制其上下移動之功能，俾提 供該第二弓毛90之張力調整功能。 至於本發明之作動方式則係如第三A圖至第四B圔所 示。在第三A圖中，由於該第一弓毛50係真接被固定在該 弓毛固定座20所設張力調整裝置40與該弓毛固定座30間， 故該第一弓毛50乃圼無法上、下移動之固設狀態。此時， 因該移動座70及80係均與該長條板片61垂直，故故被固設 在該移動座70及80上方之第二弓毛90乃可以最小之間距貼 近該第—弓毛50。此時該第二移動座70及8Q上方兩側所設 之滑輪71、72及81、82則係分別貼靠於該二弓毛固定座20 及30所設之對應限位ΰ條22、23友32、33内側處，即如第 三Β圖所示。 當該長條板片61因其所設拖拉部62之拉動而向左側移 動時，即如第四Β圖，因該二移動座及80乃係Μ其底端 樞接於該長條板片61上，而且其頂端係分別Μ其所設之滑 輪71、72及81、82貼靠於該限位凸條22、23及32、33内側 處，故該二移動座70及80乃會圼現一方面从其底部随該長 條板片61向左側移動，而另一方面以其所設.之滑輪71、72 及81、82沿著該限位凸條22、23及32、33向下滑動之狀態 ，即如第四Α圖所示，故此時，該第二弓毛90乃會向下移 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ft (請先聞^面之注意事項再填寫本頁)412717 • A7 B7 V. Description of the invention (3) The drawings are detailed as follows: Brief description of the drawings: The first picture: a three-dimensional exploded view of the double-bow hair bow of the ukulele used in the present invention. The second figure is a three-dimensional structural assembly diagram of a double-bow hair bow used by the ukulele of the present invention. FIG. 3A is a schematic diagram showing the structure of a double bow hair of the ukulele according to the present invention. At this time, the first bow hair and the second bow hair are maintained at a minimum distance. FIG. 3B is a top view of the auxiliary bow frame provided in the present invention in the state of FIG. 3A. FIG. 4A is another schematic diagram of the double bow hair of the ukulele according to the present invention. At this time, the distance between the first bow hair and the second bow hair is larger than that shown in the third A diagram. Status person. Figure 4B: This is the top view of the auxiliary bow frame of the present invention in the state of Figure 4A. 0 Printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the precautions on the back before filling out this page) Figures to eighth: the performance of four different chord combinations of the double-bowed bow of the present invention. The ninth to twelfth figures are schematic diagrams of four different single-string playing of the double-bowed bow of the present invention. Brief description of 圔 号: Main bow frame 10 Long frame body 11 Longitudinal chute 12 Holding section 13 This paper size is applicable to China National Standard (CNS) A4 specification (210X 297 mm) 5 412717 at B7 V. Description of the invention ( 4) Bow hair fixing base 20 Through hole 21 under the limiting protrusion 22, 23 Bow hair fixing base 30 Through hole 31 under the limiting protrusion 32, 33 Tension adjusting device 40-Screw swing 41 Adjusting the moving block 42 Knob 43 Moving rod 44 First bow hair 50 Ends 51, 52 Auxiliary frame 60 Long plate 61 Drag portion 62 Play piano 63 Ball 64 Moving seat 70 Pulley 71, 72 Fixed structure 73 Adjusting knob 74 Moving seat 80 Pulley 81, 82 Fixing structure 83 , ► Chapter—Bow hair 90 (Please read the precautions on the back before filling out this page) Please refer to the drawings. The double bow hair bow of the ukulele disclosed by the present invention is mainly composed of a main bow frame. 10 and a pair of bow frames 60, wherein the main bow frame 10 is composed of a long forged body 11, and the long frame body 11 is provided with a bow hair fixing seat at an appropriate position at both ends thereof. Outside 20 and 30, the bow hair holder 20 A bow hair force adjustment device 40 is also provided above the tension adjustment device 40. The tension adjustment device 40 includes a screw stalk 41 penetrating through 20 items of the bow hair fixing seat and a set on the screw 41, which can follow the screw. 41 rotation This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 6 412717 •. A7 __._ B7_ V. Description of the invention (5) The adjustment moving block 42 which moves forward and backward, and the outer side of the screw 41 The end is provided with a knob-43, and the adjusting-moving block 42 is provided with a moving rod 44 that runs through the top of the arch hair fixing base 20 and is arranged in parallel with the screw rod 41 圼, which is used to limit the adjusting moving block 42. At present, those who can only move forward and backward but cannot rotate with the screw 41 can move. Therefore, when the two end portions 51 and 52 of a first bow hair 50 are respectively fixed at appropriate positions of the adjustment moving block 42 and the bow hair fixing base 30, the first bow hair loop can be adjusted by the tension adjusting device. The turning function of the knob 43 provided by 40 makes the adjustment moving block 42 move left and right, and then achieves the effect of adjusting the tension strength of the first bow hair 50. The two bow hair fixing seats 20 and 30 Except for the ΓT forging with a lower through hole 21 and 31, respectively, the corresponding inner side edges of the two side walls provided with the lower through holes 21 and 31 are respectively provided with corresponding limiting protrusions 22, 23 and 32. , 33; In addition, the long frame body 11 between the two bow hair fixing bases 20 and 30 is provided with a longitudinal slide groove 12, and the longitudinal groove 12 is extended to both side ends so as to pass through the two bow hairs respectively. The lower part of the fixing bases 20 and 30; and the elongated frame body 11 further extends to the outer side of the arch hair fixing base 20, so as to form a holding part 13 that can be held by the performer. Printed by the Ministry of Economic Affairs Central # Associate Bureau employee consumer cooperation (please read the note $ on the back before filling out this page), and the auxiliary bow 60, in addition to-it can be inserted into the main bow 10 In addition to the long plate 61 in the longitudinal chute 12, the long plate 61 is provided at one end corresponding to the holding portion 13 provided on the main bow frame 10 and is provided with a drag portion 62 for the player's thumb to be placed in between. In addition, the long plate 61 corresponds to the two bow hair fixing bases 20 and 30 provided at the main bow frame 10 and is pivoted respectively-the top and the free ends of the mobile bases 70 and 80; the two mobile bases 70 In addition to 80 and 80, which can pass through the lower through holes 21 and 31 provided by the arch hair fixation bases 20 and 30, respectively, the paper size on both sides of the top side of the paper applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 7 412711 at __B7__ V. Description of the invention (6) and correspondingly provided with corresponding limit protrusions-the pulleys 71, 72 and 81, 82 at the inside of the through holes 21 and 31 below, In addition, the tops of the two moving bases 70 and 80 are respectively provided with fixing structures 73 and 83 that can be fixed at both ends of a second bow hair 90, and the fixings provided by the moving base 70 73 and may be configured by an adjustment based Nie New 74M control function of the vertical movement thereof, to serve the function of providing the tensioning bow hair 90 of the second. The operation mode of the present invention is as shown in Figs. 3A to 4B. In the third figure A, the first bow hair 50 is actually fixed between the tension adjustment device 40 provided in the bow hair fixing base 20 and the bow hair fixing base 30. Therefore, the first bow hair 50 is Fixed state that cannot move up and down. At this time, since the moving base 70 and 80 are perpendicular to the long plate 61, the second bow hair 90 fixed above the moving base 70 and 80 can be close to the first bow at a minimum distance. Hair 50. At this time, the pulleys 71, 72, 81, and 82 provided on the upper sides of the second moving seat 70 and 8Q are respectively abutted against the corresponding limit purlins 22 and 23 provided by the two bow hair fixing seats 20 and 30, respectively. The inside of the friends 32, 33, as shown in the third B picture. When the long strip 61 is moved to the left due to the pull of the drag portion 62 provided, that is, as shown in Figure 4B, because the two moving seats and 80 are pivoted to the long strip at the bottom end. 61, and the top ends of the pulleys 71, 72, and 81, 82 abut the inner sides of the limit protrusions 22, 23, 32, and 33, respectively, so the two moving seats 70 and 80 will be On the one hand, it moves from the bottom to the left along with the long strip 61, and on the other hand, the pulleys 71, 72, and 81, 82 provided by it move along the limit protrusions 22, 23, 32, and 33. The state of sliding down, as shown in Figure 4A, so at this time, the second bow hair 90 will move downward. The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) ft (please listen first (^ Please note this page before filling out this page)
412717 A7 B7 五、發明説明（7 ) 動而形成與該第一弓毛50具有較大之間距者。所Μ屆時， 演奏者僅須適當地拖拉該拖拉部62Μ使該長條板片61圼左 、右移動之狀況，則該第二弓毛90即可萆上、下之水平蓮 動，進而適當調整其與第一弓毛50間之間距，俾對四弦琴 進行有效之演奏者。 而有關該具雙弓毛之弓所進行演奏之方式則如第五圖 至第十二圖所示，演奏者僅須以上述之方式適當調整該第 二弓毛90與該第一弓毛50間之間距，俾使該第一弓毛50及 該第二弓毛90儀可同時與二不同之弦接觸（即如第五圖至 第八圖所示）Μ進行和聲演実外，其亦可僅藉該第一弓毛 50或該第二弓毛90使與簞一之琴弦接觸（即如第九圖萆第 十二圖所示）Μ進行單弦之演莠功能。 經濟部中央標準局員工消費合作社印製 (請先聞讀背面之注意事項再填寫本頁) 在該和聲演奏中，第五圔所示者，乃係該第一弓毛50 及該第二弓毛90分別與第2弦及第4弦接觸之狀態；而第 六圖所示者，則係該第一弓毛50及該第二弓毛90分別與第 1弦及第3弦接觸之狀態；至於第七圔所示者，係該第一 弓毛50及該第二弓毛90分別與第1弦及第4弦接觸之狀態 ;而第八圖所示者，則係該第一弓毛50及該第二弓毛90分 別與第2弦及第3弦接觸之狀態。 而在單弦演奏時，第九圖所示者，乃係第二弓毛90與 第4弦接觸之狀態；而第十圖所示者，則係第一弓毛50與 第1弦接觸之狀態；至於第-f--圖所示者，乃係第二弓毛 90與第3弦接觸之狀態；而第十二圖所示者，則係第一弓 毛50與第2弦接觸之狀態者。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 9 412717 A 7 B7 五、發明説明（a ) (請先閲讀背面之注意事項再填寫本頁) 另外，如第一圖所示，該長條板片61之兩側緣並可進 一步對稱設置向內嵌入之彈簧63及滚珠64,俾該長條板片 61可藉該等滾珠64使更平滑地移動於該主弓架10所設之縱 向滑槽12中者。 綜上所陳，由於本發明所揭露具雙弓毛之弓係可針對 四弦琴所設四琴弦間之彼此間距，有效調整其所設第一弓 毛及第二弓毛間之間距，進而使其所設之該第一弓毛及/ 或第二弓毛可分別與單一之琴弦或同時與兩琴弦相接觸， Μ達到可分別進行單弦演奏或雙弦和聲演奏之功能，所Μ 其具有之實用價值當係無庸置疑。另外，也就因為具有雙 弓毛之弓乃係屬前所未有之技術揭露，而且其對中國之國 樂發展亦可稱得上係為一種傅統上之大突破，所Μ本案自 當完全符合發明專利之要件要求，故而懇請 貴審查委員 詳加審理本案，並早日賜淮合法之專利權，實慼德便。 本紙張尺度適用中國國家標準（CNS ) Α4規格（210X297公釐） 10412717 A7 B7 V. Description of the invention (7) Those with a large distance from the first bow hair 50 are formed. At that time, the player only needs to properly drag the drag portion 62M to move the strip 61 to the left and right, and then the second bow hair 90 can move up and down horizontally, and then appropriately Adjust the distance between it and the first bow hair 50, and play the ukulele effectively. The method of playing the double-bow hair bow is shown in the fifth to twelfth figures. The player only needs to properly adjust the second bow hair 90 and the first bow hair 50 in the manner described above. The distance between the first bow hair 50 and the second bow hair 90 can be brought into contact with two different strings at the same time (as shown in Figures 5 to 8). The first bow hair 50 or the second bow hair 90 can also be used to make contact with the strings of the first string (ie, as shown in Figures 9 and 12) to perform a single string performance. Printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the notes on the back before filling out this page). In this harmony performance, the one shown in the fifth paragraph is the first bow hair 50 and the second The state where the bow hair 90 is in contact with the second string and the fourth string respectively; and the one shown in the sixth figure is the state where the first bow hair 50 and the second bow hair 90 are in contact with the first string and the third string, respectively. State; as shown in the seventh figure, the first bow hair 50 and the second bow hair 90 are in contact with the first string and the fourth string, respectively; and the one shown in the eighth figure is the first The state where the arch hair 50 and the second arch hair 90 are in contact with the second string and the third string, respectively. When playing a single string, the one shown in the ninth figure is the state where the second bow hair 90 is in contact with the fourth string; and the one shown in the tenth figure is the state where the first bow hair 50 is in contact with the first string. ; As for the figure -f--, it is the state where the second bow hair 90 is in contact with the third string; and the one shown in the twelfth figure is the state where the first bow hair 50 is in contact with the second string By. This paper size applies to Chinese National Standard (CNS) A4 specification (210X297 mm) 9 412717 A 7 B7 V. Description of invention (a) (Please read the notes on the back before filling this page) In addition, as shown in the first figure The two side edges of the long plate 61 can be further symmetrically provided with inwardly embedded springs 63 and balls 64. The long plate 61 can be more smoothly moved to the main bow frame 10 by the balls 64. One of the longitudinal chute 12 provided. To sum up, as the double bow hair bow system disclosed in the present invention can effectively adjust the distance between the first bow hair and the second bow hair provided for the distance between the four strings provided by the ukulele, and further The first bow hair and / or the second bow hair set can be contacted with a single string or two strings at the same time, so as to achieve the function of single-string or double-string harmony. There is no doubt about its practical value. In addition, because the bow with double-bow hair is an unprecedented technical disclosure, and its development of the national music of China can also be regarded as a kind of great breakthrough in the Confucian tradition, so this case should fully comply with the invention patent. Therefore, I ask your reviewing committee to examine the case in detail and grant the legal patent right to Huai as soon as possible. This paper size applies to China National Standard (CNS) Α4 size (210X297 mm) 10