TW201722629A - Universal grip pliers switching structure enabling an operator to conveniently operate a universal grip pliers when using it - Google Patents
Universal grip pliers switching structure enabling an operator to conveniently operate a universal grip pliers when using it Download PDFInfo
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Description
本發明係一種萬能鉗切換結構，詳而言之係一種得迅速切換萬能鉗為可夾定模式或不可夾定模式之創作，俾使作業人員使用萬能鉗時能具有便利之操作方式。 The invention relates to a universal pliers switching structure. In detail, it is a kind of creation that can quickly switch the universal pliers into a clampable mode or an incapable mode, so that the operator can have a convenient operation mode when using the universal pliers.
按，萬能鉗之使用對於工程人員的日常生活係存在著息息相關且密不可分的關係，俾以一萬能鉗手工具以當作切斷鋼線、扭轉金屬圓管、固定鐵絲、臨時把手、拔出鐵釘、鐵栓、多用途鉗夾等用途。 According to the use of universal tongs, there is a closely related and inseparable relationship between the daily life of the engineering personnel. The 10,000-pronged hand tool is used to cut the steel wire, twist the metal pipe, fix the wire, temporarily handle the handle, and pull out Iron nails, iron bolts, multi-purpose jaws, etc.
請參閱中華民國專利證書號第M449066號「具有多功能調節鈕的萬能鉗」，具有一固定夾鉗，包括一第一手柄，及一連接於該第一手柄一端的固定鉗口部；一活動夾鉗，包括一相對該固定夾鉗的第一手柄開合的第二手柄，及一對應該固定鉗口部設置並分別樞接在該第二手柄與該固定夾鉗之間的活動鉗口部，該活動鉗口部受該第二手柄的連動而相對該固定鉗口部開合活動；一鎖定單元，包括一樞接在該活動夾鉗的第二手柄並延伸到該固定夾鉗的第一手柄而終止於一游離端部的限位主體；及一調整單元，包括一螺接於該固定夾鉗的第一手柄並供該鎖定單元的限位主體的游離端部抵靠的螺桿，及一與該游離端部反向設置並連接在該螺桿的調節鈕，該調節鈕具有一與該螺桿連接的主操作體，該主操作體具有一由相間隔的一上環緣與一下環緣界定形成外周面，及一位於該上、下環緣之間並凹設於該外周面的凹溝部。 Please refer to the Republic of China Patent No. M449066 "Universal Pliers with Multi-Functional Control Buttons", having a fixed clamp, including a first handle, and a fixed jaw portion connected to one end of the first handle; The clamp includes a second handle that is opened and closed with respect to the first handle of the fixed clamp, and a pair of movable jaws that are disposed by the fixed jaw and are respectively pivotally connected between the second handle and the fixed clamp The movable jaw portion is engaged with the fixed jaw portion by the linkage of the second handle; a locking unit includes a second handle pivotally connected to the movable clamp and extending to the fixed clamp a first handle terminates at a free end limit body; and an adjustment unit includes a screw threaded to the first handle of the fixed clamp and a free end of the limiting body of the locking unit abuts And an adjustment knob disposed opposite to the free end and coupled to the screw, the adjustment knob having a main operating body coupled to the screw, the main operating body having an upper and lower ring spaced apart from each other The edge defines the outer peripheral surface, and a groove portion located between the upper and lower ring edges and recessed on the outer peripheral surface.
前述創作係一款習式萬能鉗，其雖可達成切斷鋼線、扭轉金屬圓管、固定鐵絲、臨時把手、拔出鐵釘、鐵栓、等多重用途；惟，其實際應用於夾置作業時，仍有其不足的缺點，因萬能鉗夾定後，係透過樞桿迫動特性使兩夾臂具有一假性定位之夾定效果，而當欲使萬能鉗恢復為一 般不具夾定效果之鉗具時，則必須透過一釋放撥桿反向釋放鎖定單元；然而，萬能鉗進行一般的夾置作業時，其鉗具容易進入夾定狀態，導致須經常釋放夾定而影響作業速度。 The above-mentioned creation is a kind of universal universal pliers, which can achieve multiple purposes such as cutting steel wire, twisting metal round pipe, fixing iron wire, temporary handle, pulling out nails, iron bolts, etc.; When working, there are still some shortcomings. Because the universal clamp is fixed, the two clamp arms have a false positioning effect through the pivoting force characteristics, and when the universal clamp is to be restored to one. When the clamp is not clamped, the lock unit must be released in reverse through a release lever; however, when the universal clamp is used for general clamping work, the clamp is easy to enter the clamp state, resulting in frequent release of the clamp. And affect the speed of the work.
有鑑於此，本發明人乃藉由多年從事相關產業的開發經驗，針對現有鉗具收納扣件所面臨的問題深入探討，並積極尋求解決之道，經過長期努力之研究與發展，終於成功的創作出一種萬能鉗切換結構，其係一種得迅速切換萬能鉗為可夾定模式或不可夾定模式之創作，俾使作業人員使用萬能鉗時能具有便利之操作方式 In view of this, the inventors have intensively explored the problems faced by the existing clamp storage fasteners through years of experience in the development of related industries, and actively sought solutions. After long-term efforts and research, they have finally succeeded. Created a universal clamp switching structure, which is a kind of creation that can quickly switch the universal clamp into a clampable mode or a non-stickable mode, so that the operator can have a convenient operation mode when using the universal clamp.
本發明係一種萬能鉗切換結構，其係一種得迅速切換萬能鉗為可夾定模式或不可夾定模式之創作，俾使作業人員使用萬能鉗時能具有便利之操作方式。 The invention relates to a universal pliers switching structure, which is a kind of creation that can quickly switch the universal pliers into a clampable mode or an incapable mode, so that the operator can have a convenient operation mode when using the universal pliers.
為達到前述創作目的，本發明「萬能鉗切換結構」係包括有一固定夾鉗、一活動夾鉗、一第一握柄、一第二握柄、一連動單元及一調整螺桿，該固定夾鉗係設置於第一握柄一端，該活動夾鉗一端內側係樞設於固定夾鉗內側，而同一端外側係樞設於第二握柄，該第一握柄及第二握柄相對側係各呈現為鏤空型態，該連動單元係包括有一彈簧、一連桿、一釋放撥桿及一切換件，該彈簧一端係設置於第一握柄內側，另一端係設置於活動夾鉗兩樞設部位之間，該連桿一端係樞設於第二握柄內側，另一端係插置於第一握柄內側，且該連桿一側端面係凸出有一弧曲端緣，該釋放撥桿係樞設於第二握柄內側，且一端係供迫壓型態而對應於弧曲端緣，該連桿樞設於第二握柄內面處係形成有一推導端，該調整螺桿係螺設於第二握柄外側處，且該調整螺桿一端係抵頂於推導端；該切換件係樞設於連桿一側，並呈現得抵頂於第二握柄內側邊緣處以限制連桿與第二握柄之樞擺角度，該切換件係具有得選擇抵頂於第二握柄內側邊緣處之一弧凸面及一平整面，當弧凸面抵頂於第二握柄內側邊緣處時，係限制弧曲端緣無法迫壓於釋放撥桿，另當平整面抵頂於第二握柄內側邊緣處時，係釋放弧曲端緣得迫壓於釋放撥桿；如此，透過旋轉切換件得控制連桿與第二握柄之樞設角度， 進而影響弧曲端緣於第一握柄與第二握柄夾合時，是否能迫壓於釋放撥桿，藉以控制萬能鉗為具備或不具備夾定效果之型態。 In order to achieve the foregoing creative purpose, the "universal clamp switching structure" of the present invention comprises a fixed clamp, a movable clamp, a first handle, a second handle, a linkage unit and an adjustment screw, and the fixed clamp The first end of the movable clamp is disposed on the inner side of the fixed clamp, and the outer side of the same end is pivotally disposed on the second handle, and the first handle and the second handle are opposite to each other. Each of the interlocking units includes a spring, a link, a release lever and a switching member. The spring is disposed at one end of the first handle and the other end is disposed at the movable clamp. Between the portions, one end of the connecting rod is pivotally disposed on the inner side of the second handle, and the other end is inserted into the inner side of the first handle, and an end surface of the connecting rod protrudes with an arc end edge. The rod is pivotally disposed on the inner side of the second handle, and one end is provided with a pressing type corresponding to the curved end edge, and the connecting rod is pivotally disposed on the inner surface of the second grip to form a deriving end, the adjusting screw system The screw is disposed at the outer side of the second handle, and one end of the adjusting screw is pressed against the top The switching member is pivotally disposed on one side of the connecting rod and is disposed to abut against the inner side edge of the second handle to limit the pivoting angle of the connecting rod and the second handle, and the switching member has a choice to abut against An arc convex surface and a flat surface at the inner edge of the second handle, when the arc convex surface abuts against the inner edge of the second handle, the end edge of the curved end is not forced to press against the release lever, and the flat surface is When it is placed on the inner edge of the second handle, the end edge of the arc is released to be pressed against the release lever; thus, the pivoting angle of the control link and the second handle is controlled by the rotation switching member. Further, when the edge of the curved curve is sandwiched between the first grip and the second grip, whether it can be pressed against the release lever, thereby controlling the universal clamp to have a shape with or without a clamping effect.
由前述創作內容可知，本發明「萬能鉗切換結構」係具備有一切換件得於萬能鉗進入夾定效果前，透過切換件其弧凸面預先抵頂效果，以限制第一握柄與第二握柄之相對夾合，使萬能鉗欲做簡易的夾置作業時，不會有不慎進入夾定效果而必須另透過釋放撥桿予以解除之困擾，能有效提升作業速度；然而當欲恢復萬能鉗其夾定效果時，則轉動切換件透過其平整面解除抵頂效果，使第一握柄與第二握柄能不受干涉狀態下達到全握壓效果，而連桿得以其弧曲端緣壓抵釋放撥桿以恢復夾定效果；；因此本發明可說是一種相當具有實用性及進步性之創作，相當值得產業界來推廣，並公諸於社會大眾。 It can be seen from the above-mentioned creation that the "universal clamp switching structure" of the present invention has a switching member for pre-abuting the arc convex surface through the switching member before the universal clamp enters the clamping effect, thereby limiting the first grip and the second grip. The relative clamping of the handle makes the universal clamp not easy to enter the clamping effect, but must be relieved by the release lever, which can effectively improve the working speed; however, when the general purpose is to be restored When the clamping effect is clamped, the rotation switching member releases the abutting effect through the flat surface, so that the first grip and the second grip can reach the full grip effect without interference, and the connecting rod can be curved end thereof. The edge pressure is released to release the lever to restore the clamping effect; therefore, the invention can be said to be a quite practical and progressive creation, which is quite worthy of promotion by the industry and is publicized to the public.
1‧‧‧固定夾鉗 1‧‧‧Fixed clamp
2‧‧‧活動夾鉗 2‧‧‧Active clamp
3‧‧‧第一握柄 3‧‧‧First grip
4‧‧‧第二握柄 4‧‧‧second grip
5‧‧‧連動單元 5‧‧‧ linkage unit
51‧‧‧彈簧 51‧‧‧ Spring
52‧‧‧連桿 52‧‧‧ linkage
521‧‧‧弧曲端緣 521‧‧‧Arc edge
522‧‧‧推導端 522‧‧‧Derivation
53‧‧‧釋放撥桿 53‧‧‧ release lever
54‧‧‧切換件 54‧‧‧Switching parts
541‧‧‧弧凸面 541‧‧‧ arc convex
542‧‧‧平整面 542‧‧‧ Flat surface
6‧‧‧調整螺桿 6‧‧‧Adjusting screw
第一圖係本發明萬能鉗切換結構之立體分解示意圖。 The first figure is a perspective exploded view of the universal tongs switching structure of the present invention.
第二圖係本發明萬能鉗切換結構之外觀立體示意圖。 The second figure is a perspective view showing the appearance of the universal clamp switching structure of the present invention.
第三圖係本發明切換件其弧曲面抵頂於第二握柄內側邊緣之局部透視示意圖。 The third figure is a partial perspective schematic view of the switching member of the present invention with its curved surface abutting against the inner edge of the second handle.
第四圖係本發明切換件其平整面抵頂於第二握柄內側邊緣之局部透視示意圖。 The fourth figure is a partial perspective schematic view of the switching member of the present invention with its flat surface abutting against the inner edge of the second handle.
本發明係一種萬能鉗切換結構，其係一種得迅速切換萬能鉗為可夾定模式或不可夾定模式之創作，俾使作業人員使用萬能鉗時能具有便利之操作方式，請參閱第一圖至第四圖所示，本發明「萬能鉗切換結構」係包括有一固定夾鉗1、一活動夾鉗2、一第一握柄3、一第二握柄4、一連動單元5及一調整螺桿6；該固定夾鉗1係設置於第一握柄3一端，該活動夾鉗2一端內側係樞設於固定夾鉗1內側，而同一端外側係樞設於第二握柄4，該第一握柄3及第二握柄4相對側係各呈現為鏤空型態，該連動單元5係包括有 一彈簧51、一連桿52、一釋放撥桿53及一切換件54，該彈簧51一端係設置於第一握柄3內側，另一端係設置於活動夾鉗2兩樞設部位之間，該連桿52一端係樞設於第二握柄4內側，另一端係插置於第一握柄3內側，且該連桿52一側端面係凸出有一弧曲端緣521，該釋放撥桿53係樞設於第二握柄4內側，且一端係供迫壓型態而對應於弧曲端緣521，該連桿52樞設於第二握柄4內面處係形成有一推導端522，該調整螺桿6係螺設於第二握柄4外側處，且該調整螺桿6一端係抵頂於推導端522；藉此，透過連動單元5得控制固定夾鉗1與活動夾鉗2之夾鉗間距，當固定夾鉗1與活動夾鉗2夾定於工作物件時，續壓迫第一握柄3與第二握柄4，得由連桿52與第二握柄4樞設部位產生偏移迫壓效果，使固定夾鉗1與活動夾鉗2達到假性夾固效果的同時，該釋放撥桿54一端係受弧曲端緣521迫壓(此部分為習式萬能鉗常見的技藝)；該切換件54係樞設於連桿52一側，並呈現得抵頂於第二握柄4內側邊緣處以限制連桿52與第二握柄4之樞擺角度，該切換件54係具有得選擇抵頂於第二握柄4內側邊緣處之一弧凸面541及一平整面542，當弧凸面541抵頂於第二握柄4內側邊緣處時，係限制弧曲端緣521無法迫壓於釋放撥桿53(如第三圖所示)，另當平整面542抵頂於第二握柄4內側邊緣處時，係釋放弧曲端緣521得迫壓於釋放撥桿53(如第四圖所示)；如此，透過旋轉切換件54得控制連桿52與第二握柄4之樞設角度，進而影響弧曲端緣521於第一握柄3與第二握柄4夾合時，是否能迫壓於釋放撥桿53，藉以控制萬能鉗為具備或不具備夾定效果之型態。 The invention relates to a universal pliers switching structure, which is a kind of creation that can quickly switch the universal pliers into a clampable mode or a non-adhesive mode, so that the operator can have a convenient operation mode when using the universal pliers, please refer to the first figure. As shown in the fourth figure, the "universal clamp switching structure" of the present invention includes a fixed clamp 1, a movable clamp 2, a first grip 3, a second grip 4, a linkage unit 5, and an adjustment. The fixed clamp 1 is disposed at one end of the first handle 3, and the inner side of the movable clamp 2 is pivotally disposed on the inner side of the fixed clamp 1 , and the outer side of the same end is pivotally disposed on the second handle 4 . The opposite sides of the first grip 3 and the second grip 4 are each in a hollow state, and the linkage unit 5 includes a spring 51, a connecting rod 52, a release lever 53 and a switching member 54. The spring 51 is disposed at one end of the first handle 3 and at the other end between the two pivoting portions of the movable clamp 2. One end of the connecting rod 52 is pivotally disposed on the inner side of the second handle 4, and the other end is inserted into the inner side of the first handle 3, and an end surface of the connecting rod 52 protrudes with an arc end edge 521. The rod 53 is pivotally disposed on the inner side of the second handle 4, and one end is provided with a pressing type corresponding to the curved end edge 521, and the connecting rod 52 is pivotally disposed on the inner surface of the second handle 4 to form a deriving end. 522, the adjusting screw 6 is screwed on the outer side of the second handle 4, and one end of the adjusting screw 6 is abutted against the deriving end 522; thereby, the fixed clamp 1 and the movable clamp 2 are controlled by the linkage unit 5 When the fixed clamp 1 and the movable clamp 2 are clamped to the working object, the first handle 3 and the second handle 4 are continuously pressed, and the connecting portion 52 and the second grip 4 are pivoted. The offset pressing effect is generated, so that the fixed clamp 1 and the movable clamp 2 achieve the false clamping effect, and one end of the release lever 54 is pressed by the curved end edge 521 (this part is a habit) The common skill of the universal clamp) is pivoted on one side of the connecting rod 52 and is disposed to abut against the inner edge of the second grip 4 to limit the pivoting angle of the connecting rod 52 and the second grip 4. The switching member 54 has an arc convex surface 541 and a flat surface 542 selected to be abutted against the inner edge of the second handle 4. When the arc convex surface 541 abuts against the inner edge of the second handle 4, the arc is restricted. The curved end edge 521 cannot be pressed against the release lever 53 (as shown in the third figure), and when the flat surface 542 abuts against the inner edge of the second handle 4, the curved end edge 521 is forced to be pressed. Release the lever 53 (as shown in the fourth figure); thus, the pivoting switch 54 is used to control the pivoting angle of the connecting rod 52 and the second grip 4, thereby affecting the curved end edge 521 of the first grip 3 When the second grip 4 is clamped, whether it can be pressed against the release lever 53, thereby controlling the universal clamp to have a shape with or without a clamping effect.
由前述創作內容可知，本發明「萬能鉗切換結構」係具備有一切換件54得於萬能鉗進入夾定效果前，透過切換件54其弧凸面541預先抵頂效果，以限制第一握柄3與第二握柄4之相對夾合，使萬能鉗欲做簡易的夾置作業時，不會有不慎進入夾定效果而必須另透過釋放撥桿53予以解除之困擾，能有效提升作業速度；然而當欲恢復萬能鉗其夾定效果時，則轉動切換件54透過其平整面542解除抵頂效果，使第一握柄3與第二握柄4能不受干涉狀態下達到全握壓效果，而連桿52得以其弧曲端緣521壓抵釋放撥桿53以恢復夾定效果。 It can be seen from the above-mentioned creation that the "universal clamp switching structure" of the present invention is provided with a switching member 54 for pre-abuting the arc convex surface 541 through the switching member 54 before the universal clamp enters the clamping effect to limit the first grip 3 The relative clamping of the second grip 4 makes the universal clamp not easy to enter the clamping effect, and must be relieved by the release lever 53 to effectively lift the working speed. However, when it is desired to restore the clamping effect of the universal clamp, the rotation switching member 54 releases the abutting effect through the flat surface 542, so that the first grip 3 and the second grip 4 can reach the full grip without interference. The effect is that the link 52 is pressed against the release lever 53 by its curved end edge 521 to restore the clamping effect.
由上所述者僅為用以解釋本發明之較佳實施例，並非企圖具以對本發明做任何形式上之限制，是以，凡有在相同之發明精神下所做有關本發明之任何修飾或變更者，為其他可據以實施之態樣且具有相同效果者，皆仍應包括在本發明意圖保護之範疇內。 The above description is only for the purpose of explaining the preferred embodiments of the present invention, and is not intended to limit the invention in any way, so that any modification of the invention may be made in the spirit of the same invention. The changer, if it is otherwise applicable, and has the same effect, should still be included in the scope of the intention of the present invention.
綜上所述，本發明之『萬能鉗切換結構』，於結構設計及使用實用性上，確實符合實用性，且所揭露之結構發明，亦是具有前所未有之創新構造，所以其具有「新穎性」應無疑慮，又本發明可較之習用結構更具功效之增進，因此亦具有「進步性」，其完全符合我國專利法有關發明專利申請之規定，故，爰依法向 鈞局提出專利申請，懇請 鈞局能早日賜予本案專利權，至感德便。 In summary, the "universal clamp switching structure" of the present invention is practical in terms of structural design and practical use, and the disclosed structural invention has an unprecedented innovative structure, so it has "novelty". It should be undoubtedly considered that the present invention can be more effective than the conventional structure, and therefore has "progressiveness", which fully complies with the provisions of the invention patent application related to the Patent Law of China, and therefore, submits a patent application to the bureau in accordance with the law. I would like to ask the bureau to give the patent right in this case as soon as possible.
1‧‧‧固定夾鉗 1‧‧‧Fixed clamp
2‧‧‧活動夾鉗 2‧‧‧Active clamp
3‧‧‧第一握柄 3‧‧‧First grip
4‧‧‧第二握柄 4‧‧‧second grip
5‧‧‧連動單元 5‧‧‧ linkage unit
51‧‧‧彈簧 51‧‧‧ Spring
52‧‧‧連桿 52‧‧‧ linkage
521‧‧‧弧曲端緣 521‧‧‧Arc edge
522‧‧‧推導端 522‧‧‧Derivation
53‧‧‧釋放撥桿 53‧‧‧ release lever
54‧‧‧切換件 54‧‧‧Switching parts
541‧‧‧弧凸面 541‧‧‧ arc convex
542‧‧‧平整面 542‧‧‧ Flat surface
6‧‧‧調整螺桿 6‧‧‧Adjusting screw
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104143815A TWI556920B (en) | 2015-12-25 | 2015-12-25 | Universal clamp switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104143815A TWI556920B (en) | 2015-12-25 | 2015-12-25 | Universal clamp switch structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI556920B TWI556920B (en) | 2016-11-11 |
| TW201722629A true TW201722629A (en) | 2017-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW104143815A TWI556920B (en) | 2015-12-25 | 2015-12-25 | Universal clamp switch structure |
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| Country | Link |
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| TW (1) | TWI556920B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI730669B (en) * | 2020-03-13 | 2021-06-11 | 新祐工業有限公司 | Multifunctional pliers |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI682836B (en) * | 2019-04-22 | 2020-01-21 | 吳明杰 | Universal pliers |
| TWI683732B (en) * | 2019-05-21 | 2020-02-01 | 吳明杰 | Five-bar linkage pliers |
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| US5351585A (en) * | 1993-08-11 | 1994-10-04 | Petersen Manufacturing Co. Inc. | Large capacity locking pliers |
| US6279431B1 (en) * | 1999-06-15 | 2001-08-28 | Brett P. Seber | Self-adjusting pliers |
| US6591719B1 (en) * | 2001-07-19 | 2003-07-15 | Newell Rubbermaid, Inc. | Adjustable pliers wrench |
| US6862961B2 (en) * | 2002-09-23 | 2005-03-08 | John Andrew Winkler | Locking pliers tool with automatic jaw gap adjustment and adjustable clamping force capability |
| US7730810B1 (en) * | 2006-06-19 | 2010-06-08 | Janson Paul M | Push button multi-position locking pliers and method of use |
| TWM316138U (en) * | 2006-12-29 | 2007-08-01 | Ming-Jie Wu | Improved structure of universal clamp |
| TWM389002U (en) * | 2009-11-25 | 2010-09-21 | Xin-An Shi | Structure of locking plier with incremental pinch distance and hidden incremental pinch distance |
| US8534168B2 (en) * | 2011-02-24 | 2013-09-17 | Joel S. Marks | Compact adjustable locking pliers |
| TW201302394A (en) * | 2011-07-12 | 2013-01-16 | Ming-Jie Wu | Universal pliers |
| TWM425027U (en) * | 2011-08-01 | 2012-03-21 | Li Cheng Entpr Co Ltd | Simplified structure for fast and direct driving and lifting of grip and clamp end for universal plier |
| TWM440855U (en) * | 2012-03-05 | 2012-11-11 | Ming-Hsing Tien | Universal plier with anti-loose locking function |
| TWM449066U (en) * | 2012-09-20 | 2013-03-21 | Ming-Jie Wu | Universal plier with multifunctional adjusting knob |
| TWI523738B (en) * | 2014-01-24 | 2016-03-01 | Li Tu Wu | Universal clamp structure |
| TW201634187A (en) * | 2015-03-16 | 2016-10-01 | Ming-Jie Wu | Clamping device with effort saving effect |
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- 2015-12-25 TW TW104143815A patent/TWI556920B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI730669B (en) * | 2020-03-13 | 2021-06-11 | 新祐工業有限公司 | Multifunctional pliers |
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| Publication number | Publication date |
|---|---|
| TWI556920B (en) | 2016-11-11 |
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