M425742 - 、 2011/11/29修正替換頁 五、新型說明： 【新型所屬之技術領域】 本創作與手工具棘輪機構有關，尤指一種具有可減少 材積且兼具強度之手工具棘輪機構。 【先前技術】 按，習用之棘輪手工具如第8圖及第9圖所示，其包 括有一本體6、一棘輪7、一控制件8及二卡制件9，其 中該棘輪7之一端設有内棘齒71，並樞設於該本體6外 而可相對該本體6轉動，該本體6具有二供該卡制件9容 置之容置槽6 1，該二卡制件9乃藉其一端之樞軸9 1樞 設於該容置槽6 1内，而該二卡制件9之另一端設有卡齒 部9 2，並分別藉彈簣9 4之彈性力將該二卡制件9之卡 齒部9 2向外頂撐，使其與該棘輪7之内棘齒7 1相互卡 合以限制該棘輪7與該本體6之間之相對轉動。 而於該二卡制件9的框抽9 1之周侧^垂直該框轴9 1延伸方向上分別凸設有一凸塊9 3，該控制件8呈環 狀，其套於該本體6外並框設於該本體6上而可相對該本 體6轉動，並於該控制件8之内環壁對應該二凸塊9 3處 分別凹設有一徑向之控制槽81，俾供朝左或右轉動該控 制件8時，其中一個卡制件9的樞軸9 1之凸塊9 3受其 對應之控制槽8 1控制，使該受控制之卡制件9產生樞轉 而使其卡齒部9 2脫離該棘輪7之内棘齒7 1，並藉此使 該手工具於此旋轉方向上形成空轉。 惟，受該控制件8之控制槽8 1控制之凸塊9 3乃設 3 M425742 - • 2011/11/29修正替換頁 於該卡制件9之周側上，並以垂直該卡制件9之樞軸9 1 方向延伸，因而對應該凸塊9 3之控制槽8 1須以此方位 設置，而令該控制件8必須佔有一定之材積，故無法將此 手工具做更小型化之設計，難以適用於狹窄空間中。 又如上述該凸塊9 3之設置位置，令該本體6之容置 .槽6 1須對應該樞軸9 1及該凸塊9 3設一供裝設之凹槽 -62，而使該本體6之構造過於複雜，難以利用電腦數值 控制（C N C)之工具機自動加工；再者，習用之棘輪手 鲁工具其一端為工具結合部7 2，另一端為把手結合部6. 3，該把手結合部6 3為使把手穩固結合而設有外形複雜 之阻塊6 3 1，此設計即令習用之棘輪手工具無法以鍛造 之方式製造，而僅能經由鑄造方式生產，故此手工具之強 度不足而無法用於需高扭力之場合，此外亦因材質強度不 足而限制了棘輪手工具之精度。 有鑑於此，故如何解決上述問題即為本創作所欲解決 之首要課題，因此本案創作人乃經過不斷的苦思與試作 •後，才終於有本創作之產生。 【新型内容】 本創作之目的之一在於提供一種手工具棘輪機構，其 改變卡制件上控制塊之位置，令對應之控制盤的構造亦隨 之改變，而具有減少整體材積之功效。 本創作之目的之二在於提供一種手工具棘輪機構，其 構件之外形簡單化，而具有可利用高強度之材料製造及以 較方便之自動加工機製造之功效。 4 M425742 - 、 2011/11/29修正替換頁 為達前述之目的，本創作提供一種手工具棘輪機構， 其包括有： 一本體，其具有一前端及一後端，二者其中至少有一 端設有一結合部用以結合外部工具，該本體之左、右兩侧 分別凹設有一容室，該二容室藉一通道相互連通，且該二 容室分別具有一轴向之底面，該二底面上分別設有一樞孔； 一棘輪，其貫設有一通孔並於該通孔周側環設有棘 齒，且該棘輪以該通孔枢設於該本體上，並可相對該本體 •轉動； 二卡制件，分別設於該二容室中，該二卡制件包括有 一第一端及一第二端，並具有呈相對之一頂面及一底面， 該二卡制件之底面靠近該第一端處分別設有一樞軸，且該 二卡制件分別以其樞軸樞設於該二容室底面之樞孔中，而 該二卡制件之第二端分別形成有一外側及一内側，且於該 外側設有一卡齒部，並於該通道中設有一彈簧，該彈簧之 兩端分別頂推該二卡制件第二端之内側，藉此令該卡齒部 • 與該棘輪之棘齒相互嚙合而限制該棘輪與該本體間之轉 • 動，又該二卡制件之頂面靠近該第二端處分別設有一控制 •.塊； 一控制盤，其設有一套孔且以該套孔樞設於該本體 上，並可相對該本體轉動，該控制盤上對應該二卡制件之 控制塊處分別凹設有一軸向之長槽，而於轉動該控制盤 時，可藉該控制盤之長槽推動其中一控制塊，使其所屬之 卡制件樞轉，進而使此卡制件之卡齒部脫離該棘輪之棘齒。 5 财25742 、 2011/11/29修正替換頁 =本創作之上述目的與優點，不難從下述所選用實施 歹,之心田說明與附圖中獲得深入了解。當然本創作在某些 另件或另件之安排上容許有所不同，但所選用之實施例 於本說明書中予以詳細說明。 【實施方式】 請參閲第1圖及第2圖，為本創作所提供之一種手工 • 具棘輪機構，其包括有： ， 一本體1，其具有一前端1 1及一後端1 2，二者其 •中至少有—端設有—結合部13用以結合外部工具，例二 四角形或六角形之套接頭，可供結合四角或六角之套筒， 該本體1之左、右兩側分別凹設有一容室丄4，而形成一 擋牆1 5隔開兩容室1 4，該擋牆1 5貫設有一通道工5 1連通該二容室1 4，該二容室1 4分別具有一軸向之底 面1 4 1 ’該二底面1 4 1上分別設有一樞孔1 4 2。 一棘輪2 ’其軸向貫設有一通孔2 1並於該通孔2工 周側環設有棘齒2 2，且該棘輪2以該通孔2 1樞設於該 籲本體1上，而令棘齒2 2環繞於該本體1兩容室1 4之 . 外，並可相對該本體1轉動。此外，環繞該棘輪2之外周 •'側更向外延伸出一握部2 3，而可便於使用者以手掌或工 '具控制該握部2 3，藉以轉動該棘輪2。 二卡制件3，分別設於該二容室1 4中，該二卡制件 3包括有一第一端3 1及一第二端3 2，並具有一頂面3 3及一底面34，該二卡制件3第一端3 1之底面34分 別設有一樞軸3 4 1，且該二卡制件3分別以其樞軸3 4 6 M425742 _— ^ 2011/11/29修正替換頁 1枢設於該二容室1 4底面3 4之樞孔1 4 2中，而該二 卡制件3之第二端3 2分別形成有一外侧3 5及一内侧3 6 ’且於該外側3 5設有一卡齒部3 5 1，並於連通兩容 室1 4之通道1 5 1中設有一彈簧3 7，其兩端分別藉彈 性力向外頂推該二卡制件3第二端3 2之内側3 6，藉此 令該卡齒部3 5 1與該棘輪2之棘齒2 2相互嚙合而限制 -該棘輪2與該本體1間之轉動。 又該二卡制件3於其頂面3 3且靠近第二端3 2處分 籲別設有一控制塊3 8，該控制塊3 8與該卡制件3底面3 4之樞軸3 41呈相對設置；一控制盤4，其軸向貫設有 一套孔4 1且以該套孔4 1樞設於該本體1上，並可相對 该本體1轉動。該本體1上設有一固定槽16，並於該棘 輪2及該控制盤4依序套於該本體1上後，再藉一固定件 1 6 1扣於該固定槽1 6中以固定該等構件。 該控制盤4上對應該二卡制件3之控制塊3 8處分別 於軸向凹設有一長槽42，使該二控制塊3 8分別容置於 籲遠二長槽4 2内，並可於轉動該控制盤4時令控制塊3 8 與長槽4 2之間產生相對轉動。其中該各長槽4 2包括有 一與該控制盤4同心之圓弧部4 2 1及一朝該套孔4 1靠 近之彎折部4 2 2，該控制塊3 8則位於該長槽4 2之圓 弧部4 2 1與彎折部4 2 2之交界處’當轉動該控制盤4 時，如第3圖及第4圖所示，該長槽4 2隨之旋轉，而使 該控制塊3 8與該長槽4 2之相對位置產生改變，若該控 制塊3 8於該長槽4 2之圓弧部4 2 1中相對移動，則因 7 2011/11/29修正替換頁 旋轉半徑相同之故而可保持該控制塊3 8不受控制；然若 該控制塊3 8於該長槽4 2之彎折部4 2 2中相對移動， 則會因旋轉半徑改變而使該控制塊3 8受該彎折部4 2 2 側壁之推擠’進而使該控制塊3 8所屬之卡制件3產生樞 轉’藉此使該卡制件3之卡齒部3 5 1脫離該棘輪2之棘 齒2 2，而令此手工具於某一旋轉方向形成空轉。 此外如第1圖及第5圖所示，於該本體1之擋牆15 設有一凹孔1 5 2，其内設有一定位件5，於本實施例中， 該定位件5包括有一彈簧5 1及一鋼珠5 2，該鋼珠5 2 常態性地文該彈簧5 1之彈性力向外頂推，而該控制盤4 上對應該鋼珠5 2之位置設有—定位孔4 3，並於該控制 盤4向左及向右旋轉一段距離後該鋼珠5 2所對應之位置 分別設有一左、右定位孔4 4、4 5，俾供轉動控制盤4 後，該鋼珠5 2陷入其中一定位孔4 3、4 4、4 5而可 因此定位。 由以上構件所組成之本創作，因其改變了卡制件上控 制塊之位置’亦即如第1圖及第5圖所示將習用結構上設 於垂直卡制件樞軸方向改為設於平行卡制件樞軸方向，進 而使設置控制盤控制結構之方向由徑向改為軸向，控制盤 之外形亦隨之改變，而可較習用棘輪手工具之控制件（參 閱第6圖及第9圖）之材積來得小，並藉此使本創作可做 小蜇化之設計以適用於更狹窄之空間内，提升棘輪手工具 之實用性。再者，以相同之原因，亦使本創作各構件之結 構外形簡單化，而可使用強度較高之材質製作，更可經過 M425742 - . 2011/11/29修正替換頁 熱處理等加工程序增加強度，使本創作能適用於更高扭力 之使用場合，並可提高精度，而簡化結構外形亦可藉由非 常方便的電腦數值控制（C N C)工具機進行自動加工， 減少人工作業疏失及縮短生產時間，增加生產之便利性。 請參閱第7圖，為本創作所提供之手工具棘輪機構之 第二實施例，其與上述第一實施例之差異在於自該棘輪2 之外周側朝一方向直線延伸出一扳手2 4，俾供藉此扳手 2 4扳轉該棘輪2，以達省力之目的。 • 惟，以上所述實施例之揭示用以說明本創作，並非用 以限制本創作，故舉凡數值之變更或等效元件之置換仍應 隸屬本創作之範疇。 M425742M425742 - , 2011/11/29 Correction replacement page V. New description: [New technical field] This creation is related to the hand tool ratchet mechanism, especially a hand tool ratchet mechanism with reduced volume and strength. [Prior Art] According to the conventional ratchet hand tool, as shown in Figs. 8 and 9, it includes a body 6, a ratchet 7, a control member 8 and two clamping members 9, wherein one end of the ratchet 7 is provided. The inner ratchet member 71 is disposed outside the body 6 and is rotatable relative to the body 6. The body 6 has two receiving slots 6 for receiving the card member 9. The two card members 9 are borrowed. The pivot 9 1 of one end is pivotally disposed in the receiving groove 61, and the other end of the two clamping members 9 is provided with a toothed portion 92, and the two cards are respectively elastically loaded by the elastic force of the magazine 94. The engaging portion 9 2 of the workpiece 9 is externally supported to engage with the internal ratchet 7 1 of the ratchet 7 to restrict relative rotation between the ratchet 7 and the body 6. A protrusion 9 3 is protruded from the circumferential side of the frame 9 of the two clamping members 9 and perpendicular to the direction of the frame axis 9 1 . The control member 8 has an annular shape and is sleeved outside the body 6 . And being disposed on the body 6 to be rotatable relative to the body 6, and a radial control slot 81 is respectively recessed in the inner wall of the control member 8 corresponding to the two protrusions 93, for the left or When the control member 8 is rotated rightward, the projection 9 3 of the pivot 9 1 of one of the clamping members 9 is controlled by its corresponding control slot 8 1 to cause the controlled clamping member 9 to pivot and make the card The toothing 92 is disengaged from the inner ratchet 7 1 of the ratchet 7 and thereby causes the hand tool to form an idle motion in this rotational direction. However, the bump 9 3 controlled by the control slot 8 1 of the control member 8 is provided with 3 M425742 - • 2011/11/29 correction replacement page on the peripheral side of the card member 9, and the card member is perpendicular to the card member The pivot 9 9 extends in the direction, so that the control slot 8 1 corresponding to the bump 9 3 must be disposed in this orientation, so that the control member 8 must occupy a certain volume, so that the hand tool cannot be further miniaturized. Designed, it is difficult to apply to narrow spaces. In addition, the position of the protrusions 9 3 is such that the body 6 is accommodated. The slot 6 1 is provided with a recess-62 for the pivot 9 1 and the protrusion 9 3 to be mounted. The structure of the body 6 is too complicated, and it is difficult to use a computer numerical control (CNC) tool machine for automatic processing; further, the conventional ratchet hand tool has a tool joint portion 7 2 at one end and a handle joint portion 6.3 at the other end. The handle joint portion 63 is provided with a complicated shape block 6 3 for the stable combination of the handles. This design makes the conventional ratchet hand tool cannot be manufactured by forging, but can only be produced by casting, so the strength of the hand tool Insufficient to be used in applications where high torque is required, and the accuracy of the ratchet tool is limited due to insufficient material strength. In view of this, how to solve the above problems is the primary problem that the creative office wants to solve. Therefore, the creators of this case have undergone continuous hard work and trials. [New content] One of the purposes of this creation is to provide a hand tool ratchet mechanism that changes the position of the control block on the card member, so that the structure of the corresponding control panel is also changed, and the effect of reducing the overall volume is achieved. The second object of the present invention is to provide a hand tool ratchet mechanism which is simple in shape and has the effect of being made of a high-strength material and manufactured by a convenient automatic processing machine. 4 M425742 - , 2011/11/29 Correction Replacement Page For the purpose of the foregoing, the present invention provides a hand tool ratchet mechanism comprising: a body having a front end and a rear end, at least one of which is provided And a joint portion for engaging an external tool, wherein the left and right sides of the body are respectively recessed with a chamber, the two chambers are connected to each other by a passage, and the two chambers respectively have an axial bottom surface, the two bottom surfaces Each of the plurality of pivot holes is disposed on the upper side of the through hole, and the ratchet wheel is disposed on the body of the through hole, and the ratchet wheel is pivoted on the body with the through hole, and is rotatable relative to the body The two card members are respectively disposed in the two chambers, and the two card members include a first end and a second end, and have a top surface and a bottom surface, and a bottom surface of the two card members A pivot is disposed adjacent to the first end, and the two clamping members are respectively pivotally disposed in the pivot hole of the bottom surface of the two chambers, and the second ends of the two clamping members respectively form an outer side And an inner side, and a toothed portion is disposed on the outer side, and the through hole is a spring is disposed, and the two ends of the spring respectively push the inner sides of the second ends of the two clamping members, thereby engaging the engaging portions and the ratchet teeth to restrict the rotation between the ratchet and the body The movable top portion is respectively provided with a control block near the second end of the two clamping members; a control panel is provided with a set of holes and is pivoted on the body with the set of holes, and is opposite The main body rotates, and an axial slot is respectively recessed on the control block corresponding to the two clamping members on the control panel, and when the control panel is rotated, one of the control blocks can be pushed by the long slot of the control panel. The card member to which it belongs is pivoted, so that the engaging portion of the card member is disengaged from the ratchet of the ratchet. 5 Finance 25742, 2011/11/29 Correction Replacement Page = The above-mentioned purposes and advantages of this creation are not difficult to obtain from the following selected implementations. Of course, this creation is tolerated in some alternatives or arrangements of parts, but the preferred embodiment is described in detail in this specification. [Embodiment] Please refer to FIG. 1 and FIG. 2 , which is a manual ratchet mechanism provided by the present invention, comprising: a body 1 having a front end 1 1 and a rear end 1 2, At least one of the two ends is provided with a joint portion 13 for combining an external tool, such as a quadrangular or hexagonal sleeve joint, for combining a square or hexagonal sleeve, the left and right sides of the body 1 A chamber 丄4 is respectively recessed, and a retaining wall 15 is formed to partition the two chambers 14. The partition wall 15 is provided with a channel 51 connecting the two chambers 14 and the two chambers 14 Each of the two bottom surfaces 141 is respectively provided with a pivot hole 142. a ratchet 2 ′ is disposed with a through hole 2 1 in the axial direction, and a ratchet 2 2 is disposed on the circumference of the through hole 2 , and the ratchet 2 is pivotally disposed on the appeal body 1 by the through hole 2 1 . The ratchets 2 2 surround the two chambers 1 of the body 1 and are rotatable relative to the body 1. In addition, a grip portion 2 3 extends outwardly around the outer circumference of the ratchet 2, which facilitates the user to control the grip portion 2 by the palm or the workpiece, thereby rotating the ratchet 2. The two clamping members 3 are respectively disposed in the two chambers 14. The two clamping members 3 include a first end 31 and a second end 32, and have a top surface 33 and a bottom surface 34. The bottom surface 34 of the first end 3 1 of the two clamping members 3 is respectively provided with a pivot 341, and the two clamping members 3 are respectively corrected by the pivot 3 4 6 M425742 _- ^ 2011/11/29 1 is pivotally disposed in the pivot hole 142 of the bottom surface 34 of the two chambers 14, and the second ends 3 2 of the two clamping members 3 are respectively formed with an outer side 3 5 and an inner side 3 6 ' and on the outer side 3 5 is provided with a latching portion 3 5 1, and a spring 3 7 is disposed in the passage 1 5 1 connecting the two chambers 1 4 , and the two ends are respectively pushed outward by the elastic force to push the second clamping member 3 The inner side 3 6 of the end 3 2 thereby causes the engaging portion 3 51 to mesh with the ratchet 2 2 of the ratchet 2 to limit the rotation between the ratchet 2 and the body 1. Further, the two clamping members 3 are disposed on the top surface 33 and adjacent to the second end 32. A control block 3 8 is disposed on the bottom surface of the bottom surface 34 of the clamping member 3 A control panel 4 is axially disposed with a hole 4 1 and is pivoted to the body 1 and rotatable relative to the body 1 . A fixed slot 16 is defined in the body 1 , and after the ratchet 2 and the control panel 4 are sequentially sleeved on the body 1 , a fixing member 16 1 is fastened in the fixing slot 16 to fix the same. member. The control block 3 of the control panel 4 is respectively provided with a long slot 42 in the axial direction of the control block 38 of the two clamping members 3, so that the two control blocks 38 are respectively accommodated in the two long slots 42. The relative rotation between the control block 38 and the long slot 42 can be caused when the control panel 4 is rotated. The long slot 4 2 includes a circular arc portion 42 1 concentric with the control panel 4 and a bent portion 4 2 2 adjacent to the sleeve hole 4 1 , and the control block 38 is located in the long slot 4 When the control panel 4 is rotated when the control panel 4 is rotated, the long slot 4 2 is rotated as shown in FIGS. 3 and 4, and the The relative position of the control block 38 and the long slot 42 is changed. If the control block 38 moves relatively in the arc portion 4 2 1 of the long slot 4 2, the replacement page is corrected by 7 2011/11/29 If the radius of rotation is the same, the control block 38 can be kept uncontrolled; if the control block 38 is relatively moved in the bent portion 42 of the long slot 4 2, the control is changed due to the change of the radius of rotation. The block 3 8 is pushed by the side wall of the bent portion 4 2 2 to further pivot the card member 3 to which the control block 38 belongs, thereby disengaging the engaging portion 3 5 1 of the engaging member 3 The ratchet 2 2 of the ratchet 2 causes the hand tool to idling in a certain direction of rotation. In addition, as shown in FIG. 1 and FIG. 5, the retaining wall 15 of the body 1 is provided with a recessed hole 152, and a positioning member 5 is disposed therein. In the embodiment, the positioning member 5 includes a spring 5. 1 and a steel ball 5 2, the steel ball 5 2 is normally pushed outward by the elastic force of the spring 51, and the control disc 4 is provided with a positioning hole 43 at a position corresponding to the steel ball 5 2 , and After the control panel 4 is rotated to the left and to the right for a distance, the steel ball 5 2 is respectively provided with a left and right positioning holes 4 4, 4 5 , and after the rotation of the control panel 4 , the steel ball 52 is trapped in one of them. The holes 4 3, 4 4, 4 5 are positioned so as to be positioned. The original composition consisting of the above components, because it changes the position of the control block on the card member', that is, as shown in Figs. 1 and 5, the conventional structure is set to the pivotal direction of the vertical card member. In the pivotal direction of the parallel clamping member, the direction of the control panel is changed from radial to axial, and the shape of the control panel is also changed, and the control device of the ratcheting tool can be used (see Figure 6). And Fig. 9) The volume of the material is small, and this design can be used to make it smaller and smaller, and improve the practicality of the ratchet tool. Moreover, for the same reason, the structural shape of each component of the creation is also simplified, and it can be made of a material with higher strength, and can be improved by M425742 - 2011/11/29 correction processing procedure such as heat treatment of replacement page heat treatment This makes the creation suitable for higher torque applications and improves accuracy. The simplified structure can also be automatically processed by a very convenient computer numerical control (CNC) machine tool, reducing manual work errors and shortening production time. Increase the convenience of production. Referring to FIG. 7, a second embodiment of the ratchet mechanism of the hand tool provided by the present invention is different from the first embodiment in that a wrench 2 4 is linearly extended from a peripheral side of the ratchet 2 in a direction. The ratchet 2 is turned by the wrench 2 4 to save labor. The disclosure of the above-described embodiments is intended to be illustrative of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes in numerical values or substitution of equivalent elements are still within the scope of the present invention. M425742
【圖式簡單說明】 第1圖為本創作第一實施例之立體分解示意圖 第2圖為本創作第一實施例之立體組合示意圖 第3、4圖為本創作第一實施例各朝左、右旋轉控制 盤之動作狀態剖面示意圖 第5圖為本創作第—實施例之側視剖面圖 第6圖為本創作第—實施例之側視圖 =7圖為本創作第二實施例之立體組合示意圖 ::圖為習用棘輪手工具之立體分解示意圖 第9圖為習用棘輪手 【主要元件符號說明】 -之心剖面示意圖 (本創作部分） 本體1 後端1 2 容室1 4 樞孔1 4 2 通道1 5 1 固定槽1 6 棘輪2 棘齒2 2 扳手2 4 第一端3 1 頂面3 3 樞轴3 4 1 前端1 1 結合部1 3 底面1 4 1 擋牆1 5 凹孔1 5 2 固定件161 通孔2 1 握部2 3 卡制件3 第二端3 2 底面3 4 外側3 5 M425742 - 2011/11/29修正替換頁 卡齒部3 5 1 内侧3 6 彈簧37 控制塊38 控制盤4 套孔41 長槽4 2 彎折部4 2 2 左定位孔44 定位件5 鋼珠5 2 • (習用部分） 本體6 凹槽6 2阻塊6 3 1 圓弧部4 2 1 定位孔4 3 右定位孔4 5 彈簧5 1 容置槽6 1 把手結合部6 3 棘輪7 内棘齒7 1 控制件8 卡制件9 卡齒部9 2 彈簧9 4 工具結合部7 2 控制槽8 1 . 樞軸9 1 凸塊9 3 11BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective exploded view of a first embodiment of the present invention. FIG. 2 is a perspective view of a first embodiment of the present invention. FIG. 5 is a side cross-sectional view of the first embodiment of the present invention. FIG. 6 is a side view of the first embodiment of the present invention. Schematic: The figure is a three-dimensional exploded view of the conventional ratchet hand tool. Figure 9 is a conventional ratchet hand [main component symbol description] - the heart profile diagram (this creation part) body 1 rear end 1 2 chamber 1 4 pivot hole 1 4 2 Channel 1 5 1 Fixed groove 1 6 Ratchet 2 Ratchet 2 2 Wrench 2 4 First end 3 1 Top surface 3 3 Pivot 3 4 1 Front end 1 1 Joint 1 3 Bottom 1 4 1 Retaining wall 1 5 Recessed hole 1 5 2 Fixing piece 161 Through hole 2 1 Grip 2 3 Clip 3 Second end 3 2 Bottom 3 4 Outside 3 5 M425742 - 2011/11/29 Correction replacement page card tooth 3 5 1 Inner 3 6 Spring 37 Control Block 38 Control panel 4 Set hole 41 Long groove 4 2 Bending part 4 2 2 Left positioning hole 44 Positioning piece 5 Steel ball 5 2 • (Used part) Body 6 Groove 6 2 Block 6 3 1 Arc 4 4 1 Positioning hole 4 3 Right positioning hole 4 5 Spring 5 1 accommodating groove 6 1 Handle joint 6 3 Ratchet 7 Internal ratchet 7 1 Control 8 card Article 9 Toothed part 9 2 Spring 9 4 Tool joint 7 2 Control groove 8 1 . Pivot 9 1 Bump 9 3 11