TWI628048B - Sleeve structure - Google Patents
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- TWI628048B TWI628048B TW106132942A TW106132942A TWI628048B TW I628048 B TWI628048 B TW I628048B TW 106132942 A TW106132942 A TW 106132942A TW 106132942 A TW106132942 A TW 106132942A TW I628048 B TWI628048 B TW I628048B
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Abstract
本發明套筒結構係具有第一工作槽及第二工作槽各能對應不同規格螺絲、螺帽之特性，且更具有一伸縮式工作桿更可做為內六角形扳手之應用，能達到多規格鎖設頭整合於單一工具之優點，有效減少工作人員作業時所攜帶之工具數量。 The sleeve structure of the invention has the characteristics that the first working slot and the second working slot can respectively correspond to different specifications of screws and nuts, and the utility model has the function that the telescopic working rod can be used as the inner hexagonal wrench, which can achieve more The advantages of the specification lock head integrated into a single tool are to reduce the number of tools carried by the staff.
Description
本發明係關於一種套筒結構，詳而言之係一種多規格之套筒結構，能有效簡化作業人員施工時所需攜帶之工具數量。 The invention relates to a sleeve structure, in particular to a multi-standard sleeve structure, which can effectively simplify the number of tools required for workers to carry out construction.
按，現今的工作場所中，有許許多多產品的組合結構，均係採用螺栓與螺帽的組合，而不論是六角螺絲或及螺帽，其拆卸與組裝皆需利用套筒或套筒工具始得為之，無論是在建築施工、汽車維修或家具組裝等場合中，經常需使用套筒來旋動螺栓、螺帽或螺絲釘等鎖固元件，因此在各種類型的手工具中，套筒為使用頻率最高的手工具之一。 According to the current workplace, there are many combinations of products, which are bolts and nuts. Whether it is a hexagonal screw or a nut, it needs to use the sleeve or sleeve tool for disassembly and assembly. It is always the case that in the construction, car repair or furniture assembly, it is often necessary to use a sleeve to rotate the locking elements such as bolts, nuts or screws, so in various types of hand tools, the sleeve One of the most frequently used hand tools.
一般套筒在使用上，僅能針對常見之四角、六角及八角螺絲進行鎖設，若鎖設齒輪型、棘齒型及星型等特殊螺絲時，則需另外使用專用工具，方可對齒輪型、棘齒型及星型之特殊螺絲進行鎖設與拆卸，雖齒輪型、棘齒型及星型之螺絲相對較少應用，但仍屬於傳統規格之螺絲；然而，傳統套筒均為對應單一螺絲、螺帽之設計，不利於工作人員作業時的工具攜帶便利性。 Generally, the sleeve can be locked only for the common four-corner, hexagonal and octagonal screws. If special screws such as gear type, ratchet type and star type are locked, special tools are needed to the gear. Type, ratchet and star special screws are locked and disassembled. Although the gear type, ratchet type and star type screws are relatively small, they are still the screws of the traditional specifications; however, the traditional sleeves are corresponding The design of a single screw and nut is not conducive to the convenience of the tool when the worker works.
有鑑於此，本發明人乃藉由多年從事相關產業的開發經驗，針對現有套筒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「套筒結構」，其係一種兼具多規格之套筒結構，能有效簡化作業人員施工時所需攜帶之工具數量。 In view of this, the inventor has intensively explored the problems faced by the existing sleeves through years of experience in the development of related industries, and actively sought solutions. After long-term efforts and research, he finally succeeded in creating a kind of The "sleeve structure" is a sleeve structure with multiple specifications, which can effectively simplify the number of tools that workers need to carry during construction.
本發明係關於一種套筒結構，其係一種兼具多規格之套筒結構，能有效簡化作業人員施工時所需攜帶之工具數量。 The invention relates to a sleeve structure, which is a sleeve structure with multiple specifications, which can effectively simplify the number of tools required for workers to carry out construction.
為達到前述創作目的，本發明「套筒結構」係包括有一套筒本體、一內套件、一工作桿、一第一彈簧及一第二彈簧，該套筒本體一端 係形成有一供多角形工作物套接之第一工作槽，另一端係形成有一供扳手接合之連接槽，該套筒本體內部係具有一彼此為連通第一內槽及第二內槽，該第一內槽另一端係與第一工作槽連通，且該第一內槽其槽徑係大於第二內槽，該內套件係活動設置於第一工作槽及第一內槽，該內套件係具有一外徑係對應第一工作槽之前段部，及一套置於第一內槽之後段部，且該前段部長度係小於第一工作槽深度，另該內套件於前段部係形成有一口徑略小於第一工作槽之第二工作槽，該內套件於後段部係形成有一多角形並與第二工作槽導通之穿孔，該內套件於後段部外徑係形成有一圈縮槽，該套筒本體於第一內槽係形成有至少一置於縮槽，以限制內套件最大滑移距離之定位件； 該第一彈簧係設置於第一內槽，其一端係彈抵於第一內槽與第二內槽之階層處，另一端係彈抵於內套件其後段部，供前段部常態對齊於第一工作槽之槽口型態，該工作桿係具有一對應設置於穿孔之多角桿，及一圈與後段部邊緣抵頂以限制工作桿最大位移距離之凸環，該第二彈簧一端係彈抵於第二內槽之底部，另一端係使多角桿常態伸出第二工作槽型態地彈抵於工作桿；如此，當工作桿及內套件未受壓縮時，該內套件係位於第一工作槽其槽口處，且多角桿係伸出於第二工作槽，使用者得以多角桿為扳手工具之應用，當對應於符合第二工作槽之工作物件時，該工作桿得壓縮第二彈簧並縮入套筒本體內部，以釋放第二工作槽做為驅動工作物之應用，另當對應於符合第一工作槽之工作物件時，該內套件及工作桿得分別壓縮第一彈簧與第二彈簧並縮入套筒本體內部，以釋放第一工作槽做為驅動工作物之應用。 In order to achieve the foregoing creative purpose, the "sleeve structure" of the present invention comprises a sleeve body, an inner sleeve, a working rod, a first spring and a second spring. Forming a first working slot for the polygonal working body to be sleeved, and forming a connecting groove for the wrench to be joined at the other end, the sleeve body has a first inner groove and a second inner groove connected to each other. The other end of the first inner groove is in communication with the first working groove, and the first inner groove has a larger diameter than the second inner groove, and the inner sleeve is disposed in the first working groove and the first inner groove. The kit has an outer diameter corresponding to the first section of the first working slot, and a set of the first section of the first inner groove, and the length of the front section is smaller than the depth of the first working slot, and the inner sleeve is in the front section Forming a second working slot having a diameter slightly smaller than the first working slot. The inner sleeve is formed with a polygonal shape in the rear portion and is electrically connected to the second working slot. The inner sleeve is formed with a loop at the outer diameter of the rear portion. a sleeve, the sleeve body is formed with at least one positioning member disposed in the first inner groove to limit the maximum slip distance of the inner sleeve; The first spring is disposed in the first inner groove, and one end thereof is elastically abutted against the first inner groove and the second inner groove, and the other end is elastically abutted against the rear portion of the inner sleeve, and the front portion is normally aligned with the first portion. a slot type of a working slot, the working rod has a multi-angle rod corresponding to the perforation, and a convex ring that abuts against the edge of the rear section to limit the maximum displacement distance of the working rod, and the second spring is bouncy at one end Abutting against the bottom of the second inner groove, the other end is such that the polygonal rod normally protrudes out of the second working groove to project against the working rod; thus, when the working rod and the inner sleeve are not compressed, the inner sleeve is located at the a slot of the working slot, and the multi-angle rod protrudes from the second working slot, the user can use the multi-angle rod as a wrench tool, and when the working object corresponding to the second working slot is corresponding, the working rod is compressed. The two springs are retracted into the sleeve body to release the second working slot as the driving work object, and when corresponding to the working object conforming to the first working slot, the inner sleeve and the working rod are respectively compressed first The spring and the second spring are retracted into the sleeve Internally, the first operation to release the groove was driven to operate as the application.
前述套筒本體於第一內槽係形成有一圈環槽，該定位件係一設置於環槽之C形扣環，該內套件於後段部端緣處係形成有一圈斜導面。 The sleeve body is formed with a ring groove in the first inner groove, and the positioning member is a C-shaped buckle disposed on the ring groove, and the inner sleeve is formed with a ring inclined guide surface at the end edge of the rear portion.
前述第二彈簧一端係彈抵於工作桿之凸環，該工作桿係形成有一供第二彈簧環套之凸桿段。 One end of the second spring is elastically biased against the convex ring of the working rod, and the working rod is formed with a protruding rod section for the second spring collar.
前述第一工作槽為五角形槽體，該第二工作槽為六角形槽體，該多角桿為六角形桿體。 The first working groove is a pentagonal groove body, the second working groove is a hexagonal groove body, and the polygonal working rod is a hexagonal rod body.
由前述創作內容可知，本發明「套筒結構」得透過第一工作槽及第二工作槽各能對應不同規格螺絲、螺帽之特性，且伸縮式工作桿更可做為內六角形扳手之應用，能達到多規格鎖設頭整合於單一工具之優點，有效減少工作人員作業時所攜帶之工具數量；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 creations that the "sleeve structure" of the present invention can pass through the first working slot and the second working slot to correspond to the characteristics of different specifications of screws and nuts, and the telescopic working rod can be used as an inner hexagonal wrench. The application can achieve the advantages of integrating multiple specifications of the lock head into a single tool, and effectively reduce the number of tools carried by the staff when working; therefore, the invention can be said to be a quite practical and progressive creation, which is quite worthy of the industry. Promote and publicize to the public.
1‧‧‧套筒本體 1‧‧‧Sleeve body
11‧‧‧第一工作槽 11‧‧‧First work slot
12‧‧‧連結槽 12‧‧‧ Link slot
13‧‧‧第一內槽 13‧‧‧First inner trough
14‧‧‧第二內槽 14‧‧‧Second inner trough
15‧‧‧定位件 15‧‧‧ Positioning parts
16‧‧‧環槽 16‧‧‧ Ring groove
2‧‧‧內套件 2‧‧‧ inner kit
21‧‧‧前段部 21‧‧‧The former section
22‧‧‧後段部 22‧‧‧The latter section
221‧‧‧斜導面 221‧‧‧ oblique guide
23‧‧‧第二工作槽 23‧‧‧Second work slot
24‧‧‧穿孔 24‧‧‧Perforation
25‧‧‧縮槽 25‧‧‧Shrink
3‧‧‧工作桿 3‧‧‧Working rod
31‧‧‧多角桿 31‧‧‧Multi-angle pole
32‧‧‧凸環 32‧‧‧ convex ring
33‧‧‧凸桿段 33‧‧‧Bump section
4‧‧‧第一彈簧 4‧‧‧First spring
5‧‧‧第二彈簧 5‧‧‧Second spring
第一圖係本發明套筒結構之立體外觀示意圖。 The first figure is a schematic perspective view of the sleeve structure of the present invention.
第二圖係本發明套筒結構之立體分解示意圖。 The second figure is a perspective exploded view of the sleeve structure of the present invention.
第三圖係本發明正常狀態之剖視示意圖。 The third figure is a schematic cross-sectional view of the normal state of the present invention.
第四圖係本發明壓縮工作桿以釋放第二工作槽之剖視示意圖。 The fourth figure is a schematic cross-sectional view of the compression working rod of the present invention to release the second working groove.
第五圖係本發明壓縮工作桿及內套件以釋放第一工作槽之剖視示意圖。 The fifth figure is a schematic cross-sectional view of the compression working rod and the inner kit of the present invention to release the first working groove.
本發明係關於一種套筒結構，其係一種兼具多尺寸及可替換規格之套筒結構，能有效簡化作業人員施工時所需攜帶之工具數量，請參閱第一圖至第五圖所示，本發明「套筒結構」係包括有一套筒本體1、一內套件2、一工作桿3、一第一彈簧4及一第二彈簧5 The present invention relates to a sleeve structure, which is a sleeve structure having multiple sizes and replaceable specifications, which can effectively simplify the number of tools required for workers to carry out construction, as shown in the first to fifth figures. The "sleeve structure" of the present invention comprises a sleeve body 1, an inner sleeve 2, a working rod 3, a first spring 4 and a second spring 5.
該套筒本體1一端係形成有一供多角形工作物套接之第一工作槽11，另一端係形成有一供扳手接合之連接槽12，該套筒本體1內部係具有一彼此為連通第一內槽13及第二內槽14，該第一內槽13另一端係與第一工作槽11連通，且該第一內槽13其槽徑係大於第二內槽14，該內套件2係活動設置於第一工作槽11及第一內槽13，該內套件2係具有一外徑係對應第一工作槽11之前段部21，及一套置於第一內槽13之後段部22，且該前段部21長度係小於第一工作槽11深度，如此，當內套件2向套筒本體1滑動縮收時，得以釋放第一工作槽11其多角形槽體之前段部位；該內套件2於前段部21係形成有一口徑略小於第一工作槽11之第二工作槽23，該內套件2於後段部22係形成有一多角形並與第二工作槽23導通之穿孔24，該內套件2於後段部22外徑係形成有一圈縮槽25， 該套筒本體1於第一內槽13係形成有至少一置於縮槽25，以限制內套件2最大滑移距離之定位件15；該第一彈簧4係設置於第一內槽13，其一端係彈抵於第一內槽13與第二內槽14之階層處，另一端係彈抵於內套件2其後段部22，供前段部21常態對齊於第一工作槽11之槽口型態，該工作桿3係具有一對應設置於穿孔24之多角桿31，及一圈與後段部22邊緣抵頂以限制工作桿3最大位移距離之凸環32，該第二彈簧5一端係彈抵於第二內槽14之底部，另一端係使多角桿31常態伸出第二工作槽23型態地彈抵於工作桿3 One end of the sleeve body 1 is formed with a first working slot 11 for the polygonal working body, and the other end is formed with a connecting slot 12 for the wrench to be engaged. The sleeve body 1 has a first internal communication. The inner groove 13 and the second inner groove 14 are connected to the first working groove 11 at the other end, and the first inner groove 13 has a larger groove diameter than the second inner groove 14. The inner sleeve 2 is The movable portion is disposed in the first working slot 11 and the first inner slot 13 . The inner sleeve 2 has an outer diameter corresponding to the first working portion 11 of the first working slot 11 and a set of the first inner groove 13 and the rear portion 22 . And the length of the front section 21 is smaller than the depth of the first working slot 11, so that when the inner sleeve 2 slides and shrinks toward the sleeve body 1, the first working slot 11 is released from the front portion of the polygonal groove; The sleeve 2 defines a second working slot 23 having a diameter slightly smaller than that of the first working slot 11 in the front portion 21, and the inner sleeve 2 defines a through hole 24 in the rear portion 22 that is electrically connected to the second working slot 23. The inner sleeve 2 is formed with a narrowing groove 25 in the outer diameter of the rear portion 22, The sleeve body 1 is formed with at least one positioning member 15 disposed in the first inner groove 13 to limit the maximum slip distance of the inner sleeve 2; the first spring 4 is disposed on the first inner groove 13, One end of the first inner groove 13 and the second inner groove 14 is elastically attracted to the rear end portion 22 of the inner sleeve 2, and the front end portion 21 is normally aligned with the notch of the first working groove 11. In the form, the working rod 3 has a polygonal rod 31 corresponding to the through hole 24, and a convex ring 32 which is abutted against the edge of the rear portion 22 to limit the maximum displacement distance of the working rod 3. The second spring 5 has one end. The second end of the second inner groove 14 is struck, and the other end is such that the multi-angle rod 31 normally protrudes out of the second working groove 23 and is elastically biased against the working rod 3.
如此，當工作桿3及內套件2未受壓縮時，該內套件2係位於第一工作槽11其槽口處，且多角桿31係伸出於第二工作槽23，使用者得以多角桿31為扳手工具之應用(如第三圖所示)，當對應於符合第二工作槽23之工作物件時，該工作桿3得壓縮第二彈簧5並縮入套筒本體1內部，以釋放第二工作槽23做為驅動工作物之應用(如第四圖所示)，另當對應於符合第一工作槽11之工作物件時，該內套件2及工作桿3得分別壓縮第一彈簧4與第二彈簧5並縮入套筒本體1內部，以釋放第一工作槽11做為驅動工作物之應用。 Thus, when the working rod 3 and the inner sleeve 2 are not compressed, the inner sleeve 2 is located at the notch of the first working groove 11, and the polygonal rod 31 is extended from the second working groove 23, and the user can be multi-angled 31 is the application of the wrench tool (as shown in the third figure). When corresponding to the working object conforming to the second working slot 23, the working rod 3 is compressed by the second spring 5 and retracted into the sleeve body 1 to release The second working slot 23 serves as a driving work object (as shown in the fourth figure), and when corresponding to the working object conforming to the first working slot 11, the inner sleeve 2 and the working rod 3 respectively compress the first spring 4 and the second spring 5 are retracted into the sleeve body 1 to release the first working groove 11 as an application for driving the workpiece.
進一步而言，該套筒本體1於第一內槽13係形成有一圈環槽16，該定位件15係一設置於環槽16之C形扣環，該內套件2於後段部22端緣處係形成有一圈斜導面221；如此，透過C形扣環具有壓縮特性得將定位件15迫入於環槽16，且斜導面221亦可確保內套件2其後段部22易於穿過C形扣環以呈現反扣設置。 Further, the sleeve body 1 is formed with a ring groove 16 in the first inner groove 13 , and the positioning member 15 is a C-shaped buckle disposed on the ring groove 16 , and the inner sleeve 2 is at the edge of the rear portion 22 . A looped guide surface 221 is formed in the loop; thus, the C-shaped buckle has a compression characteristic to force the positioning member 15 into the annular groove 16, and the oblique guide surface 221 also ensures that the rear portion 22 of the inner sleeve 2 is easily passed through. C-shaped clasp to present a reverse buckle setting.
進一步而言，該第二彈簧5一端係彈抵於工作桿3之凸環32，該工作桿3係形成有一供第二彈簧5環套之凸桿段33；透過凸桿段33能確保第二彈簧5於壓縮時避免造成干涉第一彈簧4之偏移。 Further, one end of the second spring 5 is elastically abutted against the convex ring 32 of the working rod 3, and the working rod 3 is formed with a protruding rod segment 33 for the second spring 5 to be looped; The two springs 5 avoid interference with the displacement of the first spring 4 when compressed.
進一步而言，該第一工作槽11為五角形槽體，該第二工作槽23為六角形槽體，該多角桿31為六角形桿體；如此，能對應不同造型之工作物。 Further, the first working slot 11 is a pentagonal trough body, the second working trough 23 is a hexagonal trough body, and the multi-angle rod 31 is a hexagonal rod body; thus, it can correspond to different shaped work objects.
由前述創作內容可知，本發明「套筒結構」得透過第一工作槽及第二工作槽各能對應不同規格螺絲、螺帽之特性，且伸縮式工作桿更 可做為內六角形扳手之應用，能達到多規格鎖設頭整合於單一工具之優點，有效減少工作人員作業時所攜帶之工具數量；上述僅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。 It can be seen from the above-mentioned creations that the "sleeve structure" of the present invention can pass through the first working slot and the second working slot to correspond to the characteristics of different specifications of screws and nuts, and the telescopic working rod is more The utility model can be used as an inner hexagon wrench, which can realize the advantages of integrating a multi-standard locking head into a single tool, and effectively reduce the number of tools carried by the staff during operation; the above is only for explaining the preferred embodiment of the present invention, and is not The invention is intended to be in any way limited by the invention, and any modifications or changes relating to the present invention in the spirit of the same invention can be carried out in other embodiments and have the same effect. All should still be included within the scope of the intended protection of the invention.
綜上所述，本發明之『套筒結構』，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 "sleeve 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.
Claims (3)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106132942A TWI628048B (en) | 2017-09-26 | 2017-09-26 | Sleeve structure |
| CN201820564060.XU CN208342671U (en) | 2017-09-26 | 2018-04-19 | sleeve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106132942A TWI628048B (en) | 2017-09-26 | 2017-09-26 | Sleeve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI628048B true TWI628048B (en) | 2018-07-01 |
| TW201914758A TW201914758A (en) | 2019-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW106132942A TWI628048B (en) | 2017-09-26 | 2017-09-26 | Sleeve structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208342671U (en) |
| TW (1) | TWI628048B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5157995A (en) * | 1991-09-24 | 1992-10-27 | Nogues Nelson E | Multiple socket wrench |
| US5163344A (en) * | 1991-10-18 | 1992-11-17 | Mathers William S | Adjustable socket apparatus |
| US5752418A (en) * | 1997-01-03 | 1998-05-19 | T & L Robins Co., Inc. | Dual size socket drive adapter |
| US7252022B1 (en) * | 1997-08-27 | 2007-08-07 | Losee Jerry L | Multiple shop socket tool |
| TWM318489U (en) * | 2007-01-23 | 2007-09-11 | Shin Ying Entpr Co Ltd | Retractable tool of replaceable sleeve |
| TWI359061B (en) * | 2008-09-18 | 2012-03-01 | Bo Shen Chen | Dual-specification sleeve |
| TWM465245U (en) * | 2013-04-24 | 2013-11-11 | xin-hong Yang | Multi-function hand tool |
| TWM500657U (en) * | 2014-12-10 | 2015-05-11 | Shu-Juan Nian | Sleeve structure with multiple dimensions |
| TWM521518U (en) * | 2016-01-11 | 2016-05-11 | Plus Craft Ind Co Ltd | Sleeve |
-
2017
- 2017-09-26 TW TW106132942A patent/TWI628048B/en active
-
2018
- 2018-04-19 CN CN201820564060.XU patent/CN208342671U/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5157995A (en) * | 1991-09-24 | 1992-10-27 | Nogues Nelson E | Multiple socket wrench |
| US5163344A (en) * | 1991-10-18 | 1992-11-17 | Mathers William S | Adjustable socket apparatus |
| US5752418A (en) * | 1997-01-03 | 1998-05-19 | T & L Robins Co., Inc. | Dual size socket drive adapter |
| US7252022B1 (en) * | 1997-08-27 | 2007-08-07 | Losee Jerry L | Multiple shop socket tool |
| TWM318489U (en) * | 2007-01-23 | 2007-09-11 | Shin Ying Entpr Co Ltd | Retractable tool of replaceable sleeve |
| TWI359061B (en) * | 2008-09-18 | 2012-03-01 | Bo Shen Chen | Dual-specification sleeve |
| TWM465245U (en) * | 2013-04-24 | 2013-11-11 | xin-hong Yang | Multi-function hand tool |
| TWM500657U (en) * | 2014-12-10 | 2015-05-11 | Shu-Juan Nian | Sleeve structure with multiple dimensions |
| TWM521518U (en) * | 2016-01-11 | 2016-05-11 | Plus Craft Ind Co Ltd | Sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201914758A (en) | 2019-04-16 |
| CN208342671U (en) | 2019-01-08 |
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