M368523 五、新型說明： 【新型所屬之技術領域】 更詳而言，尤指 本創作係與手動操作手工具有關 種可調式扳鉗構造。 【先前技術】 套筒扳 皆為用 按’常見扳動工具種類眾多，諸如開口板手M368523 V. New description: [New technical field] In more detail, especially the creative system is related to the manual operation of hand tools. [Prior Art] Sleeve wrenches are used. Press a variety of common triggering tools, such as open wrenches.
以扳2㈣、板甜板手…等’其主要功能類似 以扳轉物件（如螺帽、Μ螺栓...等）。 套^丰ί種扳動卫具亦各有其優、缺點，如開口扳手、 寸之物# ί難憾但僅能適祕「單—固定」外徑尺 動扳手具有可調活動夾顎，雖可適用於一定 、 卜’上述各種扳手對於狹p益空間操子 諸如Η車修護的方向她桿_，不僅無法對有效地對多種夕 ，尺寸適時難扳轉，狹小空間之關，更是讓此類扳手 知作上難以突破瓶頸。 【新型内容】 ^卩本創作之主要目的，係在提供一種可調式扳钳構 化’其能同時適用多種不同口徑尺寸之扳轉物件操作。 本創作之另-目的，係在提供一種可調式扳钳構造， 其能快速夾合欲扳轉物件之外徑而大幅提諸作效率。 緣是’依據本創作-種可調式扳鋤構造，係包含有： -可被施力扳動的本體，其―側向外縱向—體延伸設 ^ί36Λ-Take the 2 (four), the board sweet hand...etc. The main function is similar to flip the object (such as nut, bolt, etc.). The set of 丰 ί ί 卫 卫 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 亦 ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ Although it can be applied to certain, the above various wrenches for the narrow p-space operations such as the direction of the brakes repair her rod _, not only can not effectively on the multi-day, the size is difficult to turn, the narrow space is more It is difficult to break the bottleneck by knowing such a wrench. [New content] The main purpose of the creation of this book is to provide an adjustable wrench structure that can be used for a variety of different sizes and sizes. Another object of the present invention is to provide an adjustable wrench construction that can quickly clamp the outer diameter of the object to be turned over and greatly increase efficiency. The edge is 'in accordance with this creation - an adjustable type of truss structure, which includes: - a body that can be pulled by force, its side-outward longitudinal-body extension ^ί36Λ-
、，其頂端則設成一具貫穿孔之軸樞孔座，其正向端面 教以讀軸樞孔座同心劃弧方式凹設一弧形槽，並形成該弧 也槽前後二端侧之〆入口端及一出口端； 一調整夾顎，係以軸樞彈性回復方式樞設連結於本體 * 之輪樞孔座，其腹側相對應第一夾制口位置且設有多角斷 面之第二夾制口，藉以共構相對側間圍繞一螺栓類等工件 合適之驅動咬合’其活動端侧相對該弧形槽且一體延伸設 ® 一弧形之導引肋，並依弧形槽之限制導引進行調節定位； 一閉鎖機構，係以啟閉控制方式樞設於本體之弧形槽 一侧，其包含一進退操作之切換開關，及受該切換開關驅 控之一連動件，該連動件之終端則連動設一止動件，藉由 止動件之前進操作制止該導引肋限制定位，而由止動^之 後退操作釋放導引肋自由滑移； 藉上述組合’其能同時適用多種不同口徑尺寸之板轉 鲁讀操作’並能快速夾合欲扳轉外徑而大幅提昇操作效率。 ' 【實施方式】 為使貴冑查委員能對本創作之特徵與特點有更進一 步之了解與關，_舉町較佳實關麵合圖式說明 如下： 一至五所示，本創作一種可調式扳钳 一本體10、一調整夾顎及一閉鎖 首先，請參閱圖一 構造，主要包含有··一 機構30; 4 M368523 該本體ίο係供施力叛動操作，其端面且貫穿設置一貫 孔11，以供一驅動桿（圖未示）串設來扳動；其一侧縱向一 體延伸設-固定夾顎12 ’該固定夾顯12之腹側係且有多 角斷面之第一夾制口 m，該第一夾制口 121端側至少嵌 設-磁鐵122，其頂端則設成一具貫穿孔131之轴拖孔座 13’其正向端面並以該軸樞孔座13同心齡方式凹設一弧 -形槽14 ’並形成該弧形槽14前後二端侧之-人口端141 及一出口端142 ;該弧形槽14鄰近出口端142 一侧係凹設 圓弧狀之二限位凹部143及呈斜向排列之二限位凹孔 144 了二=閉鎖機構3。組裝(此部分容後再述” 體10之軸樞孔座n，甘 、低又逆、，、口於本 設成一具貫穿？| 91 端 定爽顯12 了頁端位置亦 八 1之輛樞孔座21，而配合一樞軸212 -扭轉彈簧213之轴樞串設定位 ^ 口⑵位置且設有多腹側:目對應第-夾制 對侧間圍繞-螺栓斷面之第一爽制口 22 ’藉以共構相 -爽制口 121及m _工件合適之驅動咬合，其中尤以第 為佳（圖二所示|制口 22對合封閉共構成一六角斷面 伸設一弧形之導引肋動端側相對該弧形槽14且一體延 之限制導！|進行調節^位如圖二、三所示’並依弧形槽14 一閉鎖機構30，，— 樞設於本體1〇圖一、二所示，係以啟閉控制方式 之切換開關31，槽U 一侧’乃包含有一供進退操作 敢姉肖度之_她設計，以 5 M368523 及受該切換開關31驅控之一連動件32 ’其係呈與控制旋 钮同轴轉動之一凸輪塊設計，連動件32之終端則連動設一 . 止動件33，止動件33係呈一頂推塊設計，而受该連動件 % 32之凸輪塊驅控，該止動件33之相對二圓弧狀之限位凹 部143位置乃相對凹設二定位凹部331，其限位四部143 與定位凹部331相對侧間則分別容設繫入一鋼珠332、 333 ’藉由止動件33之前進操作制止該導引肋22限制定 位，同時配合鋼珠332、333捲動達成調整夾顎2〇之導引 ® 肋23雙向止逆效用，如圖四、五所示，而由止動件33之 後退操作釋放導引肋22自由滑移； 其中為使切換開關31切換之後得以定位，如圖一至三 所示’該本體1〇端面分別在切換開關31之閉鎖及開啟旋 轉路徑（亦即相對限位凹孔144、145位置）所在端面相對 位置凹設一定位孔311，而配合一彈簧312及鋼珠313之 轴設定位，其藉由鋼珠313之相對嵌入限位凹孔144或限 % 位凹孔145而達成切換開關31啟閉之分段定位。 ' 藉上述組合，而得本創作一種可調式扳鉗構造，如圖 • 一、二所示，其藉由調整夾顎20朝向本體1〇之弧形槽14 一側旋擺位移及該弧形槽14對導引肋23之引導限制，而 猶如一手銬操作方式，其藉由改變第一夾制口 121與第二 夾制口 22相對侧間寬距w (圖二所示）而共構相對侧間圍 / 繞一螺栓類等工件合適之驅動咬合，能同時適用多種不同 口控尺寸之扳轉工件操作，同時由於調整夾顎2〇係以轴樞 M368523 ΓΓ=樞設連結於本體10之輪樞孔座㈣常開 論欲扳動工件口握尺寸大小均能快速夹合於 :而二ί稭由弧形槽14對導引肋23滑移調整迅速就定 位而=由閉鎖機構30加以強制止動，請繼續參閱圖四所 二23往弧形槽14之出口端_動時，受 ”铜接σ上頂推.之止動件33其前面的定位凹部331所 332 ¾ 332會被^弓*肋23帶動往前定位 ，而令該鋼珠 示，肋23止動；請繼續參閱圖五所 受連動件q9 A Μ弧形槽14之入口端141侧移動時， 所容讯鋼▲ /上頂推之止動件33其後面的定位凹部331 咖、ΓΓ 導引肋23帶動往前定位，而令該鋼珠 止動，如此配合鋼 M3捲動達成調整夾顎2〇 大幅提昇I件扳動操作導引肋23雙向止逆效用’而 5奮繼續參閱圖六至八1所_ _造之第二較佳實施:二創作-種可娜 施，乃相同包含有-本體^'，錢上述實施例等效貫 構30等必要零件組合，本“―調整㈣20及—閉鎖機 30對於導引肋…叙 唯一不同者乃在於閉鎖機構 數棘齒231，而閉鎮機構3引肋23腹側端面係凹設複 退操作之切換關31、—^―如前例同樣包含有一供進 I -受連動件32终端連；^切換^ 31媒控之連動件 遴動之止動件33等，其中該止動 M368523 件33係呈-頂推塊設計，其相對導引肋23之複數棘遗23i 位置且設成-定位齒部334，據以相對嗜合導引肋^之棘 .齒231止逆定位；當切換開關31旋至開啟位置時，乃允許 •導引肋f在弧形槽14導弓丨下自由滑移，據以改變第4 制口 121與弟二爽制口 22相對側間寬距W (圖七所示）而 共構相對側間圍繞-螺检類等工件合適之驅動咬合；當切 ，換開關31旋至關閉位置時，受連動件32向上頂推之土動 件33其頂侧之定位齒部334會強制頂返向上相對喃合於導 引胁23之棘齒231而達成止逆制動操作。 請再參閱圖九至十三所示，其為本創作-種可調式扳 甜構造之第二較佳實施例介紹，其係上述實施例等效實 施，乃相同包含有一本體10、—調整失賢20及-閉鎖機 構30等必要零件組合，本例唯一不同者乃在於閉鎖機構 30對於啟閉操控方式的改變，其係以撥動桿驅控方式取代 前例旋轉赵’由附圖中得以發現：該調整夾韻2G之導引肋 23腹侧端面係凹設複數棘齒23U，而閉鎖機構別則一如 前例同樣包含有-供進退操作之切換開關3u、一受該切 換開關31A驅控之連動件32A、-受連動件32A終端連動 之止動件33A # ’其中切換開關31A係呈預定軸樞角度之 ，控制撥桿設計，其連動件32A係由二曲柄321、322藉由 切換開關31A居間轴樞構成的連桿組，該曲柄322底端設 成一可供樞轉之中心轴端322A，曲柄321之頂端則設成與 該止動件33A底側連結之樞接端321A，而止動件33A其相 M368523 對導引肋23之複數棘齒231A位置且設成一定位齒部 334A ;當切換開關31A向右軸枢角度撥動至開啟位置時， 如圖十二所示’切換開關31A樞軸乃會帶動曲柄322以中 . 心軸端322A為中心向右旋擺，同時連動曲柄321拉曳止動 件33A向下移動脫離弧形槽14，從而允許導引肋23在狐 . 形槽14導引下自由滑移，據以改變第一夾制口 121與第二 夹制口 22相對侧間寬距W (圖十所示）而共構相對侧間圍 ^ 繞一螺栓類等工件合適之驅動咬合；當切換開關31A向左 軸樞角度撥動至開啟位置時，如圖十三所示，切換開關31A 樞軸乃會帶動曲柄322以中心轴端322A為中心向左旋擺， 直到與曲柄321連成一直線位置，屆時曲柄321頂端乃連 動該止動件33A向上頂入弧形槽14，從而受連動件32A向 上頂推之止動件33A其頂側之定位齒部334A會強制頂迫向 上相對嚙合於導引肋23之棘齒231A而達成止逆制動操作。 以上所揭，僅為本創作的較佳實施方式而已，並 % 以限定本創作實施例的範圍，本技術領域内的一般技術人 ，員根據本創作所作的均等變化，以及本領域内技術人員熟 -知的改變’仍應屬本創作涵蓋的範圍。 【圖式簡單說明】 第一圖係本創作一較佳實施例之分解立體圖。 第二圖係顯示圖一實施例閉鎖狀態之絚合平面圖。 第三圖係顯示圖一實施例開啟狀態之組合平面圖。 第四圖係顯示圖一實施例左扳閉鎖操作之示意圖。 M368523 第五圖係顯示圖一實施例右扳閉鎖操作之示意圖。 第六圖係本創作第二較佳實施例之分解立體圖。 第七圖係顯示圖六實施例閉鎖狀態之組合平面圖。 第八圖係顯示圖六實施例開啟狀態之組合平面圖。 第九圖係本創作第三較佳實施例之分解立體圖。 第十圖係顯示圖九實施例閉鎖狀態之組合平面圖。 第十一圖係顯示圖九實施例開啟狀態之組合平面圖。 第十二圖係顯示圖九實施例閉鎖機構開啟動作示意圖。 第十三圖係顯示圖九實施例閉鎖機構關閉動作示意圖。 【主要元件符號說明】The top end is configured as a pivot hole seat of a through hole, and the front end face of the shaft is recessed in a concentric arcing manner by the read axis pivot hole, and the arc is also formed on the front and rear ends of the groove. An inlet end and an outlet end; an adjustment clamp pivotally connected to the hub hole seat of the body * in a pivotal elastic recovery manner, the ventral side corresponding to the first clamping port position and having a polygonal section The second clamping port is formed by co-constructing a suitable drive between the opposite sides of a workpiece such as a bolt. The movable end side is opposite to the arcuate groove and integrally extends with an arc-shaped guiding rib, and is formed by an arc groove. The limiting guide is used for adjusting and positioning; a latching mechanism is pivotally disposed on one side of the arcuate slot of the body in an opening and closing control manner, and includes a switch for advancing and retracting operation, and a linkage member controlled by the switch. The terminal of the linking member is connected with a stopping member, and the guiding rib is restrained from being positioned by the forward moving operation of the stopping member, and the guiding rib is freely slipped by the stopping and retracting operation; Can be applied to a variety of different caliber sizes For 'sandwich and can quickly pull the switch to be increased dramatically while the outer diameter of the operation efficiency. [Embodiment] In order to enable the members of the committee to have a better understanding of the characteristics and characteristics of the creation, the best example of the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ First, the body 10, an adjustment clamp and a lock first, please refer to the structure of Fig. 1, which mainly includes a mechanism 30; 4 M368523 The body ίο is for the force rebellion operation, and the end face and the through hole 11 are provided. For driving a rod (not shown) to be pulled in series; one side of the longitudinal extension is integrally provided with a fixed clip 12' of the first clamping port of the ventral side of the fixing clip 12 and having a polygonal section m, at least the magnet 122 is embedded on the end side of the first clamping port 121, and the top end of the first clamping port 121 is formed as a front end surface of the shaft hole holder 13' having a through hole 131 and is coaxial with the shaft pivot seat 13 An arc-shaped groove 14' is recessed and a population end 141 and an outlet end 142 are formed on the front and rear ends of the arcuate groove 14; the arcuate groove 14 is concavely disposed on the side adjacent to the outlet end 142. The limiting recess 143 and the two limiting recesses 144 are arranged in an oblique direction. Assembling (this part will be described later) The shaft pivot hole of the body 10 is n, Gan, low and reverse, and the mouth is set in a single penetration. | 91 The end is cool and the 12 position is also 8 The pivoting seat 21 is coupled to a pivot 212 - the torsion spring 213 is pivotally set to the position of the position (2) and is provided with a plurality of ventral sides: the first corresponding to the cross-bolt section between the first and the opposite sides Cooling port 22 'by co-construction phase - cool mouth 121 and m _ workpiece suitable for driving the occlusion, especially in the first (shown in Figure 2 | the mouth 22 closed together to form a hexagonal section extension The arc-shaped guiding rib moving end side is opposite to the arc-shaped groove 14 and is integrally extended to limit the guide!|The adjustment position is as shown in FIG. 2 and FIG. 3 and the arc-shaped groove 14 is a locking mechanism 30, the pivot It is set on the main body 1〇1 and 2, which is the switch 31 of the opening and closing control mode. The side of the slot U contains a design for the forward and backward operation, with 5 M368523 and the switch. The switch 31 drives one of the linking members 32' to be a cam block design that rotates coaxially with the control knob, and the terminal of the linking member 32 is interlocked with a stop member 33. The movable member 33 is in the shape of a push block, and is controlled by the cam block of the link member 32. The position of the opposite arc-shaped limiting recess 143 of the stop member 33 is opposite to the recessed positioning recess 331. The four sides 143 and the opposite sides of the positioning recess 331 respectively receive a steel ball 332, 333' to stop the positioning of the guiding rib 22 by the forward movement of the stopper 33, and simultaneously rotate with the steel balls 332 and 333. The two-way anti-reverse effect of the guide rib 23 of the adjustment clamp is achieved, as shown in FIG. 4 and FIG. 5, and the guide rib 22 is freely slipped by the backward movement of the stopper 33; wherein the switch 31 is switched After being positioned, as shown in FIG. 1 to FIG. 3, a positioning hole 311 is recessed in the opposite end surface of the end face of the switch 1 and the opening rotation path (that is, the position of the opposite limiting hole 144, 145). With the axis setting position of the spring 312 and the steel ball 313, the segmentation of the opening and closing of the switch 31 is achieved by the relatively embedded recess 144 or the limited-hole 145 of the steel ball 313. And created an adjustable wrench structure, As shown in Fig. 1 and 2, it is like a handcuff operation by adjusting the swinging displacement of the clip 20 toward the arcuate groove 14 of the body 1〇 and the guiding restriction of the arcuate groove 14 to the guiding rib 23. In a manner, by changing the width between the first clamping port 121 and the second clamping port 22 relative to the side w (shown in FIG. 2), the driving occlusion of the workpiece corresponding to the side wrapping/around a bolt is co-constructed. It can be used for a variety of different size control of the workpiece. At the same time, due to the adjustment of the clamp 2, the shaft pivot M368523 ΓΓ = pivotally connected to the wheel hub of the body 10 (4) normally open to move the workpiece grip size The size can be quickly clamped to: and the sliding of the guiding rib 23 by the curved groove 14 is adjusted quickly and the position is fixed = by the locking mechanism 30, please continue to refer to FIG. When the outlet end of the slot 14 is moved, the positioning recess 331 of the stopper 33 of the stopper 33 is pushed forward by the bow rib 23, and the steel ball is shown. The rib 23 is stopped; please continue to refer to the side of the inlet end 141 of the arcuate groove 14 of the interlocking member q9 A of FIG. The steel ▲ / top thrusting stop 33 has a positioning recess 331 behind it, and the guiding rib 23 drives the forward positioning, so that the steel ball stops, so that the steel M3 is rolled to achieve the adjustment clamp 2 I piece pulls the operation guide rib 23 two-way anti-reverse effect' while 5 Fen continues to refer to Figure 6 to VIII 1 _ _ made the second preferred implementation: two creation - kind of Kona, which contains the same - body ^ ', the above embodiment of the equivalent structure 30 and other necessary parts combination, the "- adjustment (four) 20 and - the locking machine 30 for the guiding ribs ... the only difference is in the locking mechanism number ratchet 231, and the closing mechanism 3 The ventral end surface of the rib 23 is recessed and the switching operation of the retracting operation is 31, -^- as in the previous example, the same is included in the terminal of the I-receiving member 32; 33, etc., wherein the stop M368523 member 33 is in the form of a push-pull block, which is opposite to the position of the plurality of spines 23i of the guiding rib 23 and is set as a positioning tooth portion 334, according to which the spine of the guiding rib is relatively The tooth 231 is repositioned; when the switch 31 is rotated to the open position, the guide rib f is allowed to be guided under the arcuate groove 14 By sliding, according to the difference between the width W of the opposite side of the fourth port 121 and the second cooling port 22 (shown in FIG. 7), the driving occlusion of the workpiece between the opposite side and the screw-like type is co-constructed; When the switch 31 is turned to the closed position, the positioning tooth portion 334 of the top side of the grounding member 33 pushed up by the linking member 32 forcibly returns to the ratchet teeth 231 of the guide arm 23 in the upward direction. Stop the brake operation. Please refer to FIG. 9 to FIG. 13 , which is a second preferred embodiment of the present invention, which is an equivalent implementation of the above embodiment, and includes the same body 10 and the adjustment loss. The combination of the necessary parts such as the sage 20 and the locking mechanism 30, the only difference in this case is the change of the locking mechanism 30 to the opening and closing control mode, which is replaced by the toggle lever control method. The adjusting side of the guiding rib 23 of the adjusting clip 2G is recessed with a plurality of ratchet teeth 23U, and the latching mechanism also includes a switch 3u for the advance and retreat operation and a switch of the switch 31A as in the previous example. The linkage member 32A, the stopper 33A that is interlocked by the end of the linkage member 32A, wherein the changeover switch 31A is at a predetermined pivot angle, and the control lever is designed, and the linkage member 32A is switched by the two cranks 321, 322. The switch 31A has a link group formed by an intermediate shaft. The bottom end of the crank 322 is provided as a pivotable central shaft end 322A, and the top end of the crank 321 is disposed as a pivot end 321A coupled to the bottom side of the stopper 33A. And the stop member 33A is in phase with M368523 The plurality of ratchet teeth 231A of the rib 23 are positioned and arranged as a positioning tooth portion 334A; when the switching switch 31A is pivoted to the right axis angle to the open position, as shown in FIG. 12, the "switching switch 31A pivot shaft drives the crank 322". Rotating rightward with the center shaft end 322A as the center, while the interlocking crank 321 pulling stopper 33A moves downwardly away from the arcuate groove 14, thereby allowing the guiding rib 23 to slide freely under the guidance of the fox-shaped groove 14. Shifting, according to the first clamping port 121 and the second clamping port 22 opposite side width W (shown in Figure 10) and co-construction of the opposite side of the circumference around a bolt-like workpiece suitable for the drive bite; When the switch 31A is pivoted to the left pivot angle to the open position, as shown in FIG. 13, the pivot of the switch 31A will drive the crank 322 to the left with the center shaft end 322A as the center until it is in line with the crank 321 Position, at this time, the top end of the crank 321 is interlocked with the stopper 33A to be pushed up into the arcuate groove 14, so that the positioning tooth portion 334A of the top side of the stopper 33A pushed up by the linking member 32A is forcibly urged upwardly and relatively engaged The ratchet teeth 231A of the guide ribs 23 are engaged in a stop braking operation. The above description is only for the preferred embodiment of the present invention, and is intended to limit the scope of the present embodiment, and the average person skilled in the art can make equal changes according to the present creation, and those skilled in the art. The familiar-known change should still be covered by this creation. BRIEF DESCRIPTION OF THE DRAWINGS The first drawing is an exploded perspective view of a preferred embodiment of the present invention. The second figure shows a combined plan view of the locked state of the embodiment of Fig. 1. The third figure shows a combined plan view of the open state of the embodiment of Fig. 1. The fourth figure shows a schematic diagram of the left-handle latching operation of the first embodiment. M368523 The fifth figure shows a schematic diagram of the right toggle operation of the first embodiment. The sixth drawing is an exploded perspective view of the second preferred embodiment of the present creation. The seventh drawing shows a combined plan view of the locked state of the embodiment of Fig. 6. The eighth figure shows a combined plan view showing the open state of the embodiment of Fig. 6. The ninth drawing is an exploded perspective view of the third preferred embodiment of the present creation. The tenth figure shows a combined plan view of the locked state of the embodiment of Fig. 9. The eleventh figure shows a combined plan view showing the open state of the embodiment of Fig. 9. Figure 12 is a schematic view showing the opening action of the latching mechanism of the embodiment of Figure 9. The thirteenth embodiment is a schematic view showing the closing operation of the latching mechanism of the embodiment of Fig. 9. [Main component symbol description]
本體10 第一夾制口 121 軸樞孔座13 出口端142 調整夾顎20 導引肋23 閉鎖機構30 定位孔311 連動件32 接端321A 1動件33A 定位齒部334Main body 10 first clamping port 121 shaft pivoting seat 13 outlet end 142 adjusting clamping jaw 20 guiding rib 23 locking mechanism 30 positioning hole 311 linking member 32 connecting end 321A 1 moving member 33A positioning tooth portion 334
貫孔11 磁鐵122 弧形槽14 限位凹部143 軸樞孔座21 扭轉彈簧213 棘齒231 切換開關31 彈簧312 連動件32A 中心軸端322A 定位凹部331 定仅齒部334A 固定夾顎12 貫穿孔131 入口端141Through hole 11 Magnet 122 Curved groove 14 Limit recess 143 Shaft pivot seat 21 Torsion spring 213 Ratchet 231 Switch 31 Spring 312 Linkage 32A Center shaft end 322A Positioning recess 331 Fixed tooth only 334A Fixed clamp 12 Through hole 131 entrance end 141
限位凹孔144、145 貫穿孔211 第二夾制口 22 棘齒231A 切換開關31A 鋼珠313 曲柄 321、322 止動件33 鋼珠 332、333 側間寬距WLimiting recessed holes 144, 145 Through-hole 211 Second clamping port 22 Ratchet 231A Switching switch 31A Ball 313 Crank 321, 322 Stopper 33 Steel ball 332, 333 Side width W