TWM434659U - Force boosting sleeve bar for hexagonal wrench - Google Patents

Force boosting sleeve bar for hexagonal wrench Download PDF

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Publication number
TWM434659U
TWM434659U TW101207405U TW101207405U TWM434659U TW M434659 U TWM434659 U TW M434659U TW 101207405 U TW101207405 U TW 101207405U TW 101207405 U TW101207405 U TW 101207405U TW M434659 U TWM434659 U TW M434659U
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TW
Taiwan
Prior art keywords
sleeve
force
inner hole
section
hex wrench
Prior art date
Application number
TW101207405U
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Chinese (zh)
Inventor
Shi-Qin Shi
Original Assignee
Shi-Qin Shi
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Application filed by Shi-Qin Shi filed Critical Shi-Qin Shi
Priority to TW101207405U priority Critical patent/TWM434659U/en
Publication of TWM434659U publication Critical patent/TWM434659U/en

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Description

M434659 五、新型說明: 【新型所屬之技術領域】 本創作主要係揭示-種六角扳手的增力套桿,尤指具 有多個套筒’套桿在有限角度内往復運動即能夠轉動螺絲 的六角扳手的增力套桿。 【先前技術】 -般在使用六角扳手在執行鎖緊螺絲的作業時,都是 先用手或使用六角扳手的長邊先將螺絲旋到定位之後,再 使用六角扳手的短邊將螺絲鎖緊,若要將螺絲鬆脫則是先 使用六舰手義邊先將縣齡,再使用手或六角板手 的長邊將獅快速地取出,但若獅在較深的孔中或在螺 絲旁有阻礙作業的障礙物存在時,會視情況直接使用六角 扳手的長邊執行作業,因六角扳手的短邊力臂較短,在作 業時會利用其他工具辅助,以達到延長力臂的效果。 然則’在施工時手邊不一定有適當的工具能夠使六角 扳手延長力臂,輔助的工具必須要是能夠套設於六角扳手 短邊的二具或者能触緊六肖扳手之夾具,若手邊沒有此 類工具則無法繼續施工。 請參照我國專利公告編號第373547號之「六角扳手握 把」專利案,其為—種六角扳手握把,該六角扳手握把其 主要係設有一個握把本體,該握把本體分布貫穿有不同尺 寸谷置WMi ’以供容置各式尺寸的六肖扳手之較長桿端於 其中’亚於該容置部位之外侧壁緣開設有—個相連通之破 M434659 槽’該破槽與容置部位之間形成對應之頂掣面,可供六角 板手的端部插入其令,而達其具有L型板手之使用功能。 在使用該“角叛手套握把時,雖然該握把有延長力臂 之功效,但S雜把本體触而使延長六角扳手力臂的效 果不明顯’不足轉結合過於緊密的螺絲鬆動。 並且該握把僅能夠由固定—個角度驅動六角板手,若 螺絲位於死綠践—個有限的空間時,依然會導致該握 把無法對獅施工,可能會__㈣度之後就面臨益法 繼續轉動的問題。 除此之外該握把並不具有握柄結構之設計,在握持時 可能會有不舒適或難以㈣的情形,並且若是在手上沾有 油污的情況下施X,手和握把之間可能會產生相對滑動, 使握把難以握持並且在施工時難以施力’甚至造成手在施 工中突然鬆脫的意外。 ^為了解決上述的問題,本創作人乃致力於設計出一種 月b夠克服先前技術問題點的六角扳手的增力套桿。 【新型内容】 本創作六角扳手的增力套桿所欲解決的技術問題在 於,提供—種具有—似上不同角度的增力套桿,由於$ 增力套桿具有辣不同角度㈣的設計,使 桿二 夠由多個角度套設在六角扳手上,當螺絲位於二= =㈣’該增力套桿的一個套筒若遇到無法繼二 動的問辦财變換-個不同角度的套筒繼續轉動螺絲, M434659 能夠克服多數螺絲位於死角的問題。 本創作六角扳手的增力套桿次要目的在於,該增力套 桿係呈長桿狀,為專門作騎力功效之設計,該增力套桿 具有1的長度使增力的效果日_,不僅能_易鬆脫結 合較為緊密的職或者使螺絲結合更加制,且平時使用 時亦能達到省力之效果。M434659 V. New description: [New technical field] This creation mainly reveals the force-increasing sleeve of a hexagonal wrench, especially a hexagon with multiple sleeves that can reciprocate within a limited angle. The wrench of the wrench. [Prior Art] Generally, when using a hex wrench to perform the locking screw, first screw the screw to the position with the long side of the hand or the hex key, and then tighten the screw with the short side of the hex key. If you want to loosen the screw, you should first use the six-handed Yibian to first take the county age, and then use the long side of the hand or the hex wrench to quickly remove the lion, but if the lion is in the deep hole or next to the screw If there are obstacles that hinder the work, the long side of the hex wrench will be used directly to perform the work. The short side arm of the hex wrench is short, and it will be assisted by other tools during the work to achieve the effect of extending the arm. However, 'there is not necessarily the right tool at the time of construction to make the hex wrench extend the arm. The auxiliary tool must be two sets that can be set on the short side of the hex wrench or can clamp the six-branch wrench. Class tools cannot continue construction. Please refer to the patent of the "hex wrench grip" of the Patent No. 373547, which is a hexagonal wrench grip. The hex wrench grip is mainly provided with a grip body, and the grip body is distributed through the grip body. The different sizes of the valleys are placed in the WMi' to accommodate the longer rod ends of the six-dimensional wrenches of various sizes in which the 'side of the housing is located outside the side wall edge--a broken M434659 slot' A corresponding top surface is formed between the accommodating parts, and the end of the hex wrench can be inserted into the stalk, and the L-shaped wrench is used. When using the "cornering glove grip", although the grip has the effect of extending the arm, the effect of the extension of the arm of the hex wrench is not obvious, and the screw that is too tight is loosened. The grip can only drive the hex wrench by a fixed angle. If the screw is in a limited space, it will still cause the grip to be unable to be applied to the lion. It may be __(four) degrees and then it will continue to benefit. The problem of rotation. In addition, the grip does not have the design of the grip structure, and may be uncomfortable or difficult to grasp when holding, and if the hand is stained with oil, X, hand and There may be relative sliding between the grips, making the grip difficult to hold and difficult to apply during construction. Even the accident that the hand suddenly loosens during construction. ^ In order to solve the above problems, the creator is dedicated to designing A kind of force-enhancing sleeve of a hexagonal wrench that overcomes the previous technical problems. [New content] The technical problem that the force-enhancing sleeve of the hex wrench is to solve is that it has - Similar to the different angles of the force-increasing rod, because the force-enhancing sleeve has a different angle (four) design, so that the rod 2 can be set on the hex wrench from multiple angles, when the screw is located at two == (four)' If a sleeve of the force sleeve encounters a change that cannot be followed by two movements - the sleeve of different angles continues to turn the screw, the M434659 can overcome the problem that most of the screws are located at the dead angle. The purpose is that the force-increasing sleeve is in the shape of a long rod, which is specially designed for riding power. The force-increasing sleeve has a length of 1 to make the effect of the force increase _, not only _ easy to loose and tightly combined The position of the job is to make the screw combination more stable, and it can also achieve the labor-saving effect when used normally.

本創作六角扳手的增力套桿另一目的在於,該增力套 桿係為長微之料具攜帶转之躲,且該增力套桿可 配合六角扳手組合上之槽座與六驗手組合—併攜帶,可 避免人為因素使_力套桿在卿時遺漏或者遺失。 β本創作六角扳手的增力套桿又一目的在於,該增力套 桿ί具有—個握柄端,握柄端上具有壓花結構及—個底套 =又。十握持%、固、安全且舒適,施工時因有壓花結構使 山=易在套#上獅’更因為有絲使手^胃從套桿的後Another purpose of the force-enhancing sleeve of the hex wrench of the present invention is that the force-increasing sleeve is carried by the long-length material, and the force-increasing sleeve can be matched with the socket of the hex wrench and the six inspection hands. Combination - and carrying, can avoid the human factor to make the _ force set missing or lost in the Qing. Another purpose of the force-enhancing sleeve of the hex wrench is that the force-enhancing sleeve ί has a grip end with an embossed structure on the grip end and a bottom sleeve = again. Ten grips are %, solid, safe and comfortable, due to the embossed structure during construction, the mountain = easy in the set #上狮' more because of the silk to make the hand ^ stomach from the back of the set

月出並且握柄端並無特殊的突起物 持時更加心。 使手在握 下詳細的 〃他目的、優點和本創作的新穎特性將從以 描述與相關的附圖更加顯明。 【實施方式】 —有關本旬作所採用之技術、手段及其功效, 么Λ她例亚配合圖切述如後,此僅供說明之用 申5月上亚不叉此種結構之限制。 絲—車交 ,在專利 參照圖一至圖三 ’為本創作六角板手的增力套桿 本 5 M434659 創作增力套桿10包括有一個套桿20及一個套筒30;其中: 該套桿20呈圓柱狀,該套桿20包括有一個前端21 及一個後端22,該前端21設有一個套管段23,該套管段 23呈空心圓柱狀,該套管段23中設有一個内孔231,該套 管段23的一端套設於該套桿20外,該套管段23的另外一 端設有一個開口 232,該套桿20的後端22包括有一個握 柄段24及一個底套25,該握柄段24設有一個壓花結構 26,該壓花結構26能夠增加握持時的摩擦力,避免施工時 手在該套桿20上滑動,使手在施工時更易於施力增加工作 效率,該底套25呈蓋狀套設於該套桿20外,避免握持時 手由該後端22滑出該套桿20,手突然由工具上滑開的情 形容易造成嚴重的工安意外。’ 六角扳手90係一種截面呈六角型之L型工具扳手,六 角扳手90能夠透過該套管段23的開口 232裝設於該套管 段23的内孔231中,亦能夠透過該套筒30的開口 33裝設 於該套筒30的内孔32中,尚能夠透過該套筒30的開口 35裝設於該套筒30的内孔34中。 該套筒30呈空心圓柱狀與該套桿20前端21的套管段 23相連接,該套筒30設有一個中心軸31,該套管段23 亦設有一個中心軸233,該套筒30的中心軸31與該套管 段23的中心軸233相交成一個夾角Θ,該夾角β在較佳的 情況時為13 5 ° ,該套筒.3 0的一端設有一個内孔3 2,該内 孔32設有一個開口 33,該套筒30的另一端亦設有一個内 孔34,該内孔34設有一個開口 35,該套筒30内孔32的 6 軸心與内孔34的轴心係屬於同一個該套筒30的中心車由 31 ’該套筒30的内孔32與内孔34及該套管段μ的内孔 231大小相同且互相貫通。 參照圖三及圖四,螺絲位在於數個大型固定元件中間 或深孔的死角中以至於工具難以深入時,利用將六角板手 90的短邊經由該套筒30的開口 33裳設於該套筒的内 孔32中,六角扳手90的長邊裝設於螺絲上的方式,能夠 使六角扳手90的長邊深入死角並使用該套桿2〇增加力 臂,即能夠旋動位於死角位置不易施工的螺絲,解決在死 角工具不易深入的螺絲難以施工及短邊力臂過短難以施力 的問題。 參照圖五至圖七’六角板手90能夠透過該套管段23 的開口 232裝設於該套管段23的内孔231中,亦能夠透過 該套筒30的開口 33裝設於該套筒30的内孔32中,在空 間有限使六角扳手90或該套桿20無法自由旋動的環境裡 施工時,先將六角扳手90的短邊經由該套筒30的開口 33 裝設於該套筒30的内孔32中,六角扳手90的長邊裝設於 螺絲上’並將螺絲轉動一定角度之後’再將六角扳手9〇 由該套筒30的内孔32中取出,換將六角扳手90的短邊經 由該套管段23的開口 232設於該套管段23的内孔231中 繼續轉動螺絲,如此重複動作,即能夠在有限的空間裡完 成施工。 參照圖八及圖九,當螺絲的配合非常緊密難以鬆脫, 知工需要極大力道時’將六角扳手90的長邊能夠透過該套 拿0的開α 33裝設於該套筒30内孔32中以增加力矩, =將/、角扳手9〇的短邊裝設於螺絲上,當力臂越長時能夠 螺袁】、的〜力輪出較大的力矩,能夠鬆脫配合非常緊密的 效Ϊ或者以較小的施力將螺絲鎖緊’有效的增進施工時的 就以上所述可以歸納出本創作具有以下優點: .角扳1手^創作六角扳手的增力套桿’其中該套筒套設於六 在死角工Ϊ邊’六角板手的長邊裳設於螺絲上,能夠解決 施力的問題Γ易深入的螺絲難以施工及短邊力臂遇短難以 筒交==手的增力套桿’其中該套管段與該套 置’在有限的空間裡反完二 筒套的增力套桿,其中該套管段與該套 容易完成。 上’能夠增加施工時的力臂,使工作更 惟上所述者’僅為摘作 以之限定本創作實施 ^細例而已’當不能 件之置換,或依本創\主衷平凡數值之變更或等效元 飾,皆應仍屬本新型專H專η固所作之均等變化與修There is no special protrusion on the moon and the grip end is more heart-tight. The purpose, advantages, and novel features of the present invention will be more apparent from the description and associated drawings. [Embodiment] - The technology, means and functions used in this ten-day work, Λ Λ 例 例 例 例 例 例 配合 配合 配合 配合 配合 例 例 例 例 例 例 例 例 例 例 例 例 例 Λ Λ Λ Λ Λ Λ Λ Λ Λ Λ Λ Λ Silk-car delivery, in the patent reference to Figure 1 to Figure 3, is the force-enhancing sleeve of the original hexagonal wrench. 5 M434659 The force-enhancing sleeve 10 includes a sleeve 20 and a sleeve 30; wherein: the sleeve The sleeve 20 is cylindrical. The sleeve 20 includes a front end 21 and a rear end 22. The front end 21 is provided with a sleeve section 23 having a hollow cylindrical shape. The sleeve section 23 is provided with an inner hole 231. One end of the sleeve section 23 is sleeved outside the sleeve rod 20, and the other end of the sleeve section 23 is provided with an opening 232. The rear end 22 of the sleeve rod 20 includes a handle section 24 and a bottom sleeve 25. The handle segment 24 is provided with an embossing structure 26, which can increase the frictional force during the grip, avoiding the hand sliding on the sleeve 20 during construction, and making the hand easier to apply force during construction. The bottom sleeve 25 is sleeved on the outside of the sleeve 20 to avoid the hand sliding out of the sleeve 20 by the rear end 22 when the grip is held. The sudden slippage of the hand by the tool is likely to cause serious work safety. accident. The hex wrench 90 is an L-shaped tool wrench having a hexagonal cross section. The hex wrench 90 can be installed in the inner hole 231 of the sleeve section 23 through the opening 232 of the sleeve section 23, and can also pass through the opening of the sleeve 30. The inner portion 32 of the sleeve 30 is mounted in the inner hole 32 of the sleeve 30 and is also mounted in the inner hole 34 of the sleeve 30 through the opening 35 of the sleeve 30. The sleeve 30 is connected to the sleeve section 23 of the front end 21 of the sleeve 20 in a hollow cylindrical shape. The sleeve 30 is provided with a central shaft 31. The sleeve section 23 is also provided with a central shaft 233. The central shaft 31 intersects the central axis 233 of the sleeve section 23 at an angle Θ, the angle β is preferably 13 5 °, and one end of the sleeve .30 is provided with an inner hole 3 2 therein. The hole 32 is provided with an opening 33. The other end of the sleeve 30 is also provided with an inner hole 34. The inner hole 34 is provided with an opening 35. The 6-axis center of the inner hole 32 of the sleeve 30 and the shaft of the inner hole 34 The center of the sleeve belonging to the same sleeve 30 is 31'. The inner bore 32 of the sleeve 30 is the same size as the inner bore 34 and the inner bore 231 of the sleeve section μ. Referring to FIG. 3 and FIG. 4, the screw is located in the middle of a plurality of large fixing elements or in the dead angle of the deep hole, so that the short side of the hexagonal wrench 90 is ejected through the opening 33 of the sleeve 30 when the tool is difficult to penetrate. In the inner hole 32 of the sleeve, the long side of the hex key 90 is mounted on the screw, so that the long side of the hex key 90 can be deepened into a dead angle and the arm can be used to increase the arm, that is, it can be rotated at a dead angle position. Screws that are difficult to apply, solve the problem that the screws that are difficult to penetrate in the corner tool are difficult to construct and the short-side arm is too short to apply force. Referring to FIG. 5 to FIG. 7 , the hex wrench 90 can be installed in the inner hole 231 of the sleeve section 23 through the opening 232 of the sleeve section 23 , and can also be mounted on the sleeve 30 through the opening 33 of the sleeve 30 . In the inner hole 32, when the space is limited to allow the hex wrench 90 or the sleeve 20 to be freely rotated, the short side of the hex key 90 is first installed in the sleeve through the opening 33 of the sleeve 30. In the inner hole 32 of the 30, the long side of the hexagonal wrench 90 is mounted on the screw 'after rotating the screw by a certain angle', and then the hexagonal wrench 9 is removed from the inner hole 32 of the sleeve 30, and the hexagonal wrench 90 is replaced. The short side is provided in the inner hole 231 of the sleeve section 23 via the opening 232 of the sleeve section 23 to continue to rotate the screw, and the operation is repeated, that is, the construction can be completed in a limited space. Referring to Fig. 8 and Fig. 9, when the screw is very tight and difficult to loosen, and the workmanship needs a great force, the long side of the hex key 90 can be installed in the inner hole of the sleeve 30 through the opening α 33 of the set. In order to increase the torque in 32, the short side of the angle wrench 9 is mounted on the screw. When the arm is longer, the force can be turned to a larger torque, and the loose fit is very tight. The effect of the screw or the tightening of the screw with a small force to effectively improve the construction of the above can be summarized as follows: This creation has the following advantages: 1. 1 wrench ^ corner wrench to create a hex wrench The sleeve is sleeved on the long side of the hexagonal wrench on the edge of the work corner. It can solve the problem of force application. It is difficult to construct the screw and the short arm is short. The force-increasing sleeve of the hand, wherein the sleeve section and the sleeve are disposed in a limited space, completes the force-increasing sleeve of the two-cylinder sleeve, wherein the sleeve section and the sleeve are easily completed. On the 'can increase the strength of the construction of the arm, so that the work is more than the above mentioned' is only for the sake of excerpting the implementation of the creation of the example of the fine example of the 'can not be replaced, or according to the original \ the main value of the ordinary The change or equivalent element decoration shall still be the equivalent change and repair made by this new type of special H-specific η solid

【圖式簡單說明;I 體外觀圖 面圖。 圖 :為本創作六角扳手的増力套桿 中時之操作示意圖。 遇螺絲位於死角位置 圖四:為本創作圖三之延續動作圖 位於死角位置中時之操作示意圖。 ’表示增力套桿遇螺絲 圖五:為本創作六角扳手的增力套桿之 帶動螺絲轉動之狀態圖。 套筒驅動六角扳手 囷/、·為本創作圖五之延續 驅叙勒作圖,表不增力套桿之套筒 轉/、角扳絲轉動之狀態圖。 圖七:為本創作圖六之延續動作圖,表示增力套桿之套管 段驅動六角扳手帶動螺絲轉動之狀態圖。 圖八:為賴作六驗手的增力套桿之套筒轉六角板手 的長邊以達最大力矩之操作示意_。 圖九:為本創作圖八之延續動作圖,表示增力套桿之套筒 驅動六角扳手的長邊以達最大力矩之操作示意圖。 【主要元件符號說明】 10 增力套桿 20 套桿 21 前端 22 後端 23 套管段 231 内孔 232 開口 233 中心軸 24 握柄段 25 底套 26 壓花結構 30 套筒 31 中心軸 32 内孑L 33 開口 M434659 開口 34 内孔 35 90 六角扳手 Θ 夾角 10[Simple diagram of the figure; I body appearance diagram. Figure: Schematic diagram of the operation of the hex wrench of the hex wrench. In the case of the screw located in the dead end position Figure 4: The operation diagram of the continuation action diagram of the creation of Figure 3 is located in the dead corner position. ’ indicates that the force-increasing rod meets the screw. Figure 5: The state diagram of the rotation of the screw of the force-enhancing sleeve of the hex wrench. Socket-driven hex wrench 囷/,·This is the continuation of the creation of Figure 5. The drawing of the sleeve is not shown, and the state of the sleeve is not rotated. Figure 7: This is the continuation action diagram of Figure 6 of the creation. It shows the state diagram of the hex wrench driving the hex wrench to drive the screw. Figure 8: The operation of the long side of the sleeve to the hexagonal wrench of the force-increasing sleeve of the six-hand tester is shown as the maximum torque. Figure 9: This is the continuation action diagram of Figure 8 of the creation. It shows the operation diagram of the sleeve of the force-enhancing sleeve to drive the long side of the hex wrench to reach the maximum torque. [Main component symbol description] 10 Force puller rod 20 Set rod 21 Front end 22 Rear end 23 Casing section 231 Inner hole 232 Opening 233 Central shaft 24 Grip section 25 Base sleeve 26 Embossed structure 30 Sleeve 31 Central shaft 32 Inner 孑L 33 opening M434659 opening 34 inner hole 35 90 hex wrench 夹 angle 10

Claims (1)

M434659 六、申請專利範圍: 1. 一種六角扳手的增力套桿,其包括有: 一個套捍,該套桿的-端設有_個套管段,該套 設有一個内孔; 又 一一個套筒,該套筒與套桿的套管段相連接,該套筒的 :端設有-個内孔,該套筒的内孔與該套管段的内孔互相 貫通。 十2·如。月求項1所述之六角扳手的增力套桿,其中該套 同汉有一個t心軸,該套管段亦設有一個中心軸,該套 的中心軸與該套管段的中心軸相交成一個夹角,該在 最佳的情況時為135。。 3^如明求項2所述之六角扳手的增力套桿,該套筒的 另鳊亦叹有—個内孔,該套筒兩内孔的轴心係屬於同— 個該套筒的令心轴,該套筒的兩内孔分別設於該套桿的兩 側,該套筒的兩内孔與該套管段的内孔互相貫通。 4.如4求項〗所述之六角扳手的增力套桿,其 桿與s亥套筒皆呈圓柱狀。 該套桿套 其中該套 個壓花結 ^ 5.如凊求項3所述之六角扳手的增力套桿 g #又的内孔與該套筒的兩内孔截面皆為圓形。 日6.如凊求項1所述之六角扳手的增力套桿 杯的另端包括有一個握柄段,該握柄段設有_ 構。 θ 7.如清求項6所述之六角扳手的增力套桿,其中該套 杯已括有彳目底套,該底套呈蓋狀能约裝設於該握柄段旁 II M434659 該套桿的端部上。 8.如請求項3所述之六角扳手的增力套桿,其中該套 筒的兩内孔與該套管段的内孔皆能夠容納各種尺寸的六角 扳手進入。 12M434659 VI. Patent application scope: 1. A force-enhancing sleeve for a hex wrench, comprising: a sleeve, the sleeve end is provided with a sleeve section, and the sleeve is provided with an inner hole; The sleeve is connected to the sleeve section of the sleeve, and the end of the sleeve is provided with an inner hole, and the inner hole of the sleeve and the inner hole of the sleeve section penetrate each other. XII·如如. The force-increasing sleeve of the hex wrench according to Item 1, wherein the sleeve has a t-axis, and the sleeve section is also provided with a central shaft, and the central axis of the sleeve intersects with the central axis of the sleeve section. An angle, which is 135 in the best case. . 3^ The force-increasing sleeve of the hex wrench according to Item 2, the other shackle of the sleeve also has an inner hole, and the axial centers of the two inner holes of the sleeve belong to the same sleeve. For the mandrel, the two inner holes of the sleeve are respectively disposed on two sides of the sleeve, and the inner holes of the sleeve and the inner hole of the sleeve portion penetrate each other. 4. The force-increasing sleeve of the hex wrench as described in the 4th item, the rod and the s-shaped sleeve are both cylindrical. The sleeve is provided with the embossed knot. 5. The force-increasing sleeve of the hex wrench as described in Item 3 is further circular in cross section of both the inner hole and the inner hole of the sleeve. The force-increasing sleeve of the hex wrench of claim 1 includes a handle segment having a shank. θ 7. The force-enhancing sleeve of the hex wrench according to claim 6, wherein the sleeve has a cover sleeve, and the sleeve is mounted on the side of the handle section II M434659 Set on the end of the rod. 8. The force-enhancing sleeve of the hex wrench of claim 3, wherein the inner bore of the sleeve and the inner bore of the sleeve section are capable of receiving various sizes of hex wrenches. 12
TW101207405U 2012-04-20 2012-04-20 Force boosting sleeve bar for hexagonal wrench TWM434659U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI455796B (en) * 2012-10-03 2014-10-11 Poul Chang Metal Industry Co Ltd Extensionhandle for wrench

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI455796B (en) * 2012-10-03 2014-10-11 Poul Chang Metal Industry Co Ltd Extensionhandle for wrench

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