TWM312390U - Sleeve structure - Google Patents

Sleeve structure Download PDF

Info

Publication number
TWM312390U
TWM312390U TW95220897U TW95220897U TWM312390U TW M312390 U TWM312390 U TW M312390U TW 95220897 U TW95220897 U TW 95220897U TW 95220897 U TW95220897 U TW 95220897U TW M312390 U TWM312390 U TW M312390U
Authority
TW
Taiwan
Prior art keywords
hole
sleeve
auxiliary drive
sleeve structure
drive
Prior art date
Application number
TW95220897U
Other languages
Chinese (zh)
Inventor
Yau-Hung Wang
Original Assignee
Yau-Hung Wang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yau-Hung Wang filed Critical Yau-Hung Wang
Priority to TW95220897U priority Critical patent/TWM312390U/en
Priority to DE200720006161 priority patent/DE202007006161U1/en
Publication of TWM312390U publication Critical patent/TWM312390U/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00Spanners; Wrenches
    • B25B13/02Spanners; Wrenches with rigid jaws
    • B25B13/06Spanners; Wrenches with rigid jaws of socket type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Description

M312390 ,:八、新型說明: 【新型所屬之技術領域】 本創作係-種涉及於手工具技術領域的套筒,套筒用以供 套筒扳手等連結而對螺鎖元件進行鬆退或緊固的目的,尤指本 創作之套筒可供諸如起子類手工具應用。 【先前技術】 按由套筒是套筒扳手必要使用的重要配件。套筒如第十三 圖斤示套疴(4〇)由一端至另一端,沿轴向分別形成一呈四角 槽狀的連接槽(41)、一圓孔(42)、一呈六角槽狀之驅動槽(43), 其中圓孔(42)之孔徑均小於連接槽(41)與驅動槽(43),形成圓 孔(42)所在壁面厚度係為分隔連接槽(41)與驅動槽(43),而圓 孔(42)係供成形套筒(4〇)之後可以使電鍍過程,經由圓孔(42) 相通連接槽(41)與驅動槽(43),而確保連接槽(41)與驅動槽(43) 内側面可均勻電鍍;套筒(40)藉連結槽(41)供套筒扳手之四角 柱插裝,利用驅動槽(43)内侧套裝在六角頭狀的螺栓或螺帽外 藝侧,在轉動套筒扳手同時即令套筒(4〇)帶動這些螺鎖元件形成 鬆退或緊固,或是利用套筒(4〇)的驅動槽(43)供一具有六角柱 的起子頭套裝,以適應驅動不同型態的螺鎖元件。 惟套筒如是構造歷久以來,便只能限於套筒扳手應用,更 言之’套筒只能供套筒扳手連結才能發揮其用,諸如起子等其 它手工具是不能應用。因此如果套筒扳手一旦與套筒失落,現 場只有套筒的工具而無套扳手手,套筒便是英雄無用武之地, 功能著實過於單一。 此外,如遇操作空間狹長或狹小者,套筒扳手係需要垂直 M312390 ·.於套筒軸向的旋轉面空間來 板手操作,因此套筒扳手愈套汽:,二此:間疋難以足夠供套筒 【新型内容】 手與㈣的搭配有其缺憾存在。 本創作者鑑於前述的 作主要目的係在提供二究開發,因f本創 -造’讓套筒不僅適用原有套板;係'改變套筒之構 具驅動應用,強化套汽=:手 諸如起子類手工 生化砮疴的多種應用性功能。 諸如if:、作另目的係在提供一種套筒構造,其主要係套筒供 起子類手卫具驅動應用,大㈣減操作Μ。 ' 提供前料目的,賴相運料技料段係在於 糙供一種套绮構造,其係包含·· 手插套其:連套:端至另一端’沿轴向分別形成-可供套筒扳 ^ J g、一間隔部、一用以連動螺鎖元件的驅動槽, 其中於該間隔部中麥今署— ^# M 、-置一貫穿相通該連接槽、該驅動槽並且 呈非圓形的輔助驅轉孔,蕻 助驅轉孔而帶動套筒。具的頭部可以插襄於輔 m因此依據本創作的技術手段’本創作可以獲得的功效簡要 說明如下所列·· Ί文 1纟創作突破套筒的單—功能,賦予套筒可供多種手工 八驅動應用的實用性。本創 的連接槽、用以w- ㈣扳手插套 裝累才王頭部的驅動槽之間,設置一貫、 :回形的,助驅轉孔,讓輔助驅轉孔供起子類手工具的頭部, 类、之呈可ι動的連結狀態’藉由輔助驅轉孔使套筒得以被起子 1手工具驅動’完成對螺鎖元件的鬆開或緊固之需求,強化並 豐富套筒的實用性與多用途,即使套筒板手一時未配= 6 M312390 /邊,也能應用日常生活經常可見的起子類手工具來操控。 2、本創作之輔助驅轉孔形狀,可因應起子類手工具之頭 部,具有多種不同形狀斷面而變化,以適應不同起子類手工具, 極具適用性。 。3、套筒供諸如起子類手卫具驅動應用,得因此大幅縮減 '操作空間,因為套筒與起子類手卫具可搭配於狹小空間操作,起 、子類手工具只需要原地轉動的操控動作,加以起子類手工具的 起子端長度都偏長,適合鑽入狹長空間,比如在空間狹小的^車 籲修配、維修過程中,運用本創作可以較簡單地達成目的。/ 【實施方式】 本創作係—種套筒構造,如第—圖所示,其係套筒⑽ 在内部近中間處形成一輔助驅轉孔(2〇) ’利用非圓形的輔助驅 轉孔(20)可以供諸如起子類的手工具驅動旋轉套筒(1〇)。 山請再進一步參看第二、三圖,其中套筒(10)由一端至另一 端,沿轴向分別形成一呈四角槽狀的連接槽(11)、一呈徑向面 厚度的間隔部(12)、-呈六角槽狀之驅動槽(13),其中間隔部 (12)中央係設置一貫穿相通於連接槽⑴)、驅動槽(⑻的輔助 驅轉孔(2〇),而第一至三圖係顯示辅助驅轉孔(20)可以是十字 孑L 。 因此如第四圖的實施情形,如果身邊沒有套筒板手可以應 用套筒UG)者’則可制起子⑽其十字狀之頭部(31)朝連接 槽(11)穿入而進入輔助驅轉孔(20)中,藉由輔助驅轉孔⑵)與 十字頭(31)之十字狀對應凹凸配合,驅動槽⑽則套裝於螺检 (40)頭部外側,讓使用者藉輔助驅轉孔(2G)支持、連結,得以 轉動起子⑽)同時便能連動套筒⑴),使驅動槽⑽帶動螺检 M312390 / (40)形成鬆退或緊固。 以下第五至十二圖的較佳實施例係顯示第一圖的輔助驅 轉孔(20)可以搭配起子不同斷面的頭部,而對應變化出不同形 狀。比如第五圖之輔助驅轉孔(21)係為「一」字形貫穿孔狀, 俾適應一字頭的起子。以及 第六圖之輔助驅轉孔(22)係為「六角」形貫穿孔狀,俾適 、 應六角柱頭部的起子。以及 第七圖之輔助驅轉孔(23)係為「橢圓」形貫穿孔狀,俾適 參應橢圓柱頭部的起子。以及 第八圖之輔助驅轉孔(24)係為「四角」形貫穿孔狀,俾適 應四角柱頭部的起子。以及 第九圖之輔助驅轉孔(25)係為「三角」形貫穿孔狀,俾適 應三角柱頭部的起子。以及 第十圖之輔助驅轉孔(26)係為「米」字形貫穿孔狀,俾適 應斷面為「米」字形柱狀頭部的起子。以及 第十一圖之輔助驅轉孔(27)係為「梅花」形貫穿孔狀,俾 籲適應斷面為「梅花」形柱狀頭部的起子。以及 第十二圖之辅助驅轉孔(28)係為「星」形貫穿孔狀,俾適 應斷面為「星」形柱狀頭部的起子。以及 ▲如此-來’套筒(10)不僅維持原有供套筒扳手使用的功 能,更可供諸如起子⑽的起子類手工具使用,讓套筒的適用 性與實用性大幅提昇。 上述實施例僅為例示性說明本創作之技術及其功效,而4 用於限制本創作。任何熟於此項技術人士均可在不違背樣 之技術原理及精神的情況下,對上述實施例進行修改及變化, M312390 因此本創作之權利保護範圍應如後所述之申請專利範圍所列。 M312390 • • 【圖式簡單說明】 第一圖係本創作較佳實施例之立體圖。 第二圖係本創作較佳實施例之立體剖面圖。 第三圖係本創作第一較佳實施例之辅助驅轉孔上視平面 圖。 第四圖係本創作較佳實施例之供起子使用的剖面圖。 第五圖係本創作第二較佳實施例之輔助驅轉孔上視平面 圖。 » 第六圖係本創作第三較佳實施例之辅助驅轉孔上視平面 圖。 第七圖係本創作第四較佳實施例之輔助驅轉孔上視平面 圖。 第八圖係本創作第五較佳實施例之輔助驅轉孔上視平面 圖。 第九圖係本創作第六較佳實施例之輔助驅轉孔上視平面 圖。 第十圖係本創作第七較佳實施例之輔助驅轉孔上視平面 圖。 第十一圖係本創作第八較佳實施例之辅助驅轉孔上視平面 圖。 第十一圖係本創作第九較佳實施例之輔助驅轉孔上視平面 圖。 第十三圖係現知套筒之立體剖面圖。 【主要元件符號說明】 M312390 (10) (40)套筒 (11) (41)連接槽 (13)(43)驅動槽 (12) 間隔部 (20、21、22、23、24、25、26、27、28)輔助驅轉孔 (30)起子 (31)頭部M312390,: VIII, new description: [New technical field] This creative department is a kind of sleeve related to the technical field of hand tools. The sleeve is used for connecting the socket wrench and the like to loosen or tighten the screw lock component. The purpose of solids, especially the sleeve of this creation is available for applications such as screwdrivers. [Prior Art] Pressing the sleeve is an important accessory necessary for the socket wrench. The sleeve, as shown in the thirteenth figure, has a connecting groove (41), a circular hole (42) and a hexagonal groove shape, which are formed in a four-corner groove shape from one end to the other end. The driving groove (43), wherein the circular hole (42) has a smaller aperture than the connecting groove (41) and the driving groove (43), and the thickness of the wall surface forming the circular hole (42) is a separating connecting groove (41) and a driving groove (43) ), and the round hole (42) is used for forming the sleeve (4〇), so that the plating process can be made through the circular hole (42) through the connecting groove (41) and the driving groove (43), thereby ensuring the connecting groove (41) and The inner side of the driving groove (43) can be uniformly plated; the sleeve (40) is inserted into the square column of the socket wrench by the connecting groove (41), and the inner side of the driving groove (43) is set outside the hexagonal bolt or nut. On the art side, the sleeve wrench (4〇) is used to drive the screw-locking elements to form a loosening or fastening, or the sleeve (4〇) drive groove (43) is used to provide a screwdriver with a hexagonal column. The head set is adapted to drive different types of screw-locking elements. However, if the sleeve has been constructed for a long time, it can only be limited to the socket wrench application. In other words, the sleeve can only be used for the connection of the socket wrench, and other hand tools such as a screwdriver cannot be used. Therefore, if the socket wrench is lost with the sleeve, there is only a tool for the sleeve and no wrench wrench on the spot. The sleeve is a hero's useless, and the function is too single. In addition, in case of narrow or narrow operation space, the socket wrench needs to be vertical M312390. · The rotating surface space of the sleeve is used for the wrench operation, so the socket wrench is more steamed: two: the gap is not enough For the sleeve [new content] The combination of the hand and (4) has its shortcomings. In view of the above-mentioned main purpose, the creator is to provide two research and development, because the f-creation-making 'sleeve not only applies to the original set of plates; the system is used to change the sleeve to drive the application, strengthen the set of steam =: hand A variety of application functions such as the manual biochemistry of the starter class. For example, if:, another purpose is to provide a sleeve construction, which is mainly used for sleeve-type hand-driver drive applications, and large (four) reduction operation. ' Providing the purpose of the pre-material, the Laixiang transportation material section is based on the rough supply of a truss structure, which consists of a hand-inserted sleeve: the sleeve: the end to the other end 'formed separately in the axial direction - for the sleeve to pull ^ J g, a spacer portion, a driving groove for interlocking the screw-locking component, wherein in the spacing portion, the Maijin Department - ^# M, - is disposed through the connecting slot, the driving slot and is non-circular Auxiliary drive hole, help drive the hole and drive the sleeve. The head can be inserted in the auxiliary m. Therefore, according to the technical means of this creation, the brief description of the functions that can be obtained by this creation is as follows...·Ί文1纟Creating the single-function of the breakthrough sleeve, giving the sleeve a variety of The practicality of the manual eight-drive application. The connection groove of the creation, the drive groove for the w- (four) wrench insertion set and the head of the king, is set consistently: the shape of the back, the drive hole, and the auxiliary drive hole for the head of the hand tool Part, class, in a movable joint state 'by the auxiliary drive hole to enable the sleeve to be driven by the screwdriver 1 tool to complete the need to loosen or tighten the screw lock element, strengthen and enrich the sleeve Practicality and versatility, even if the sleeve wrench is not equipped with = 6 M312390 / side, it can also be used to control the hand tools that are often seen in daily life. 2. The shape of the auxiliary drive hole of this creation can be changed according to the head of the hand-type hand tool, which has a variety of different shape sections to suit different hand-type hand tools, and is highly applicable. . 3, the sleeve is used for the driver application such as the screwdriver type, so the operation space is greatly reduced, because the sleeve and the screwdriver can be used in a small space operation, and the sub-type hand tools only need to rotate in place. The control action, the length of the starter end of the screwdriver type tool is long, suitable for drilling into a narrow space, for example, in the space of the small car repair and repair process, the use of this creation can be relatively simple to achieve the purpose. / [Embodiment] This creation system is a kind of sleeve structure. As shown in the figure, the sleeve (10) forms an auxiliary drive hole (2〇) in the inner middle. 'Using a non-circular auxiliary drive The hole (20) can be used to drive a rotating sleeve (1 〇) by a hand tool such as a screwdriver. Please refer to the second and third figures further, wherein the sleeve (10) is formed with a connecting groove (11) having a rectangular groove shape and a spacing portion having a thickness of a radial surface from one end to the other end. 12), - a hexagonal groove-shaped driving groove (13), wherein a center portion of the partition portion (12) is provided with a through-coupling (1)) and a driving groove ((8) auxiliary driving hole (2〇), and the first The figure to the third figure shows that the auxiliary drive hole (20) can be a cross 孑 L. Therefore, as in the implementation of the fourth figure, if there is no sleeve wrench around the sleeve UG can be applied, then the screwdriver (10) can be made in a cross shape. The head portion (31) penetrates into the connecting groove (11) and enters the auxiliary driving hole (20), and the auxiliary driving hole (2) is matched with the cross-shaped corresponding convex portion of the crosshead (31), and the driving groove (10) is Set on the outside of the head of the screw (40), the user can support and connect with the auxiliary drive hole (2G) to rotate the screwdriver (10) and simultaneously connect the sleeve (1)), so that the drive slot (10) can drive the screw inspection M312390 / ( 40) Forming a retreat or fastening. The preferred embodiment of the fifth to twelfth embodiments below shows that the auxiliary drive hole (20) of the first figure can be matched with the head of a different cross section, and the corresponding shape is changed. For example, the auxiliary drive hole (21) in the fifth figure is a "one" shape through hole shape, and is adapted to a screwdriver. And the auxiliary drive hole (22) in the sixth figure is a hexagonal through-hole shape, and the driver of the hexagonal column head is suitable. And the auxiliary drive hole (23) in the seventh figure is an "elliptical" through-hole shape, which is suitable for the starter of the elliptical column head. And the auxiliary drive hole (24) of the eighth figure is a "four-corner"-shaped through-hole shape, and the 俾 is adapted to the starter of the square-corner head. And the auxiliary drive hole (25) in the ninth figure is a "triangular" through-hole shape, and the driver of the triangular column head is adapted. And the auxiliary drive hole (26) in the tenth figure is a "meter"-shaped through-hole shape, and the 俾 is adapted to be a "m"-shaped column-shaped head. And the auxiliary drive hole (27) in the eleventh figure is a "Plum blossom"-shaped through-hole shape, and the caller is adapted to the "Plum"-shaped column-shaped head. And the auxiliary drive hole (28) in the twelfth figure is a "star"-shaped through-hole shape, and the 俾 is adapted to be a "star"-shaped column-shaped head. And ▲This-to-sleeve (10) not only maintains the function of the original socket wrench, but also can be used for a screwdriver type hand tool such as a screwdriver (10), which greatly improves the applicability and practicality of the sleeve. The above embodiments are merely illustrative of the techniques of the present invention and their effects, and 4 is used to limit the creation. Any person skilled in the art can modify and change the above embodiments without departing from the technical principles and spirit of the product. M312390 Therefore, the scope of protection of this creation should be as listed in the patent application scope mentioned later. . M312390 • • [Simple Description of the Drawings] The first drawing is a perspective view of a preferred embodiment of the present invention. The second drawing is a perspective cross-sectional view of a preferred embodiment of the present invention. The third figure is a top plan view of the auxiliary drive hole of the first preferred embodiment of the present invention. The fourth drawing is a cross-sectional view of the preferred embodiment of the present invention for use in a driver. The fifth drawing is a top plan view of the auxiliary drive hole of the second preferred embodiment of the present invention. » Figure 6 is a top plan view of the auxiliary drive hole of the third preferred embodiment of the present invention. The seventh drawing is a top plan view of the auxiliary drive hole of the fourth preferred embodiment of the present invention. The eighth drawing is a top plan view of the auxiliary drive hole of the fifth preferred embodiment of the present invention. The ninth drawing is a top plan view of the auxiliary drive hole of the sixth preferred embodiment of the present invention. The tenth drawing is a top plan view of the auxiliary drive hole of the seventh preferred embodiment of the present invention. The eleventh drawing is a top plan view of the auxiliary drive hole of the eighth preferred embodiment of the present invention. The eleventh drawing is a top plan view of the auxiliary drive hole of the ninth preferred embodiment of the present invention. The thirteenth figure is a perspective sectional view of the sleeve. [Main component symbol description] M312390 (10) (40) Sleeve (11) (41) Connection groove (13) (43) Drive groove (12) Spacer (20, 21, 22, 23, 24, 25, 26 , 27, 28) auxiliary drive hole (30) screwdriver (31) head

Claims (1)

M312390 九、申請專利範圍: 1· 一種套筒構造,其係套筒由一端至另〆 別形成一可供套筒扳手插套的連接槽、一間隔部 螺鎖元件的驅動槽,其中於該間隔部中央設置一 接槽、該驅動槽並且呈非圓形的輔助驅轉孔,藉 的頭部可以插裝於輔助驅轉孔而帶動套筒。 2 ·如申請專利範圍第1項所述之套筒構造 轉孔是十字孔狀。 3 ·如申請專利範圍第1項所述之套筒構造 轉孔是一字形貫穿孔狀。 4 ·如申請專利範圍第1項所述之套筒構造 轉孔是六角形貫穿孔狀。 5·如申請專利範圍第1項所述之套筒構造 轉孔是橢圓形貫穿孔狀。 6·如申請專利範圍第1項所述之套筒構造 轉孔是四角形貫穿孔狀。 7·如申請專利範圍第1項所述之套筒 轉孔是三角貫穿孔狀。 ^ 8·如申請專利範圍第丨項所述之套筒構造 轉孔是米形貫穿孔狀。 9 ·如申請專利範圍第1項所述之套筒構造 轉孔是梅花形貫穿孔狀。 & 如申請專利範圍第丨項所述之套筒構造 轉孔是星形貫穿孔狀。 & 端,沿軸向分 、一用以連動 貫穿相通該連 以起子類工具 ,所述輔助驅 ,所述輔助驅 ,所述輔助驅 ,所述輔助驅 ,所述輔助驅 ’所述輔助驅 ’所述輔助驅 ’所述輔助驅 ’所述輔助驅 12M312390 IX. Patent application scope: 1. A sleeve structure, which is a sleeve connecting one end to another to form a connecting groove for a socket wrench socket, and a driving groove for a spacer screw element. A slot, the drive slot and a non-circular auxiliary drive hole are disposed in the center of the spacer, and the borrowed head can be inserted into the auxiliary drive hole to drive the sleeve. 2. The sleeve structure as described in claim 1 is a cross hole. 3. The sleeve structure as described in claim 1 is a through-hole shape. 4. The sleeve structure as described in claim 1 is a hexagonal through hole. 5. The sleeve structure as described in claim 1 is a elliptical through hole. 6. The sleeve structure as described in claim 1 is a quadrangular through hole. 7. The sleeve hole according to item 1 of the patent application is a triangular through hole. ^ 8. The sleeve structure as described in the scope of the patent application is a rice-shaped through-hole. 9. The sleeve structure as described in claim 1 is a plum-shaped through-hole. & The sleeve structure described in the scope of the patent application is a star-shaped through hole. And the end portion is axially divided, and is used for interlocking through the connection to the sub-tool, the auxiliary drive, the auxiliary drive, the auxiliary drive, the auxiliary drive, and the auxiliary drive Driving the auxiliary drive of the auxiliary drive
TW95220897U 2006-11-27 2006-11-27 Sleeve structure TWM312390U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW95220897U TWM312390U (en) 2006-11-27 2006-11-27 Sleeve structure
DE200720006161 DE202007006161U1 (en) 2006-11-27 2007-04-30 Socket nut has intermediate sector at center of which is formed a non-circular auxiliary drive opening into which hand tool is insertable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW95220897U TWM312390U (en) 2006-11-27 2006-11-27 Sleeve structure

Publications (1)

Publication Number Publication Date
TWM312390U true TWM312390U (en) 2007-05-21

Family

ID=38329810

Family Applications (1)

Application Number Title Priority Date Filing Date
TW95220897U TWM312390U (en) 2006-11-27 2006-11-27 Sleeve structure

Country Status (2)

Country Link
DE (1) DE202007006161U1 (en)
TW (1) TWM312390U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277978A (en) * 2017-07-21 2019-01-29 施耐宝公司 Tool heads with groove for being removed from lug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109277978A (en) * 2017-07-21 2019-01-29 施耐宝公司 Tool heads with groove for being removed from lug
TWI674951B (en) * 2017-07-21 2019-10-21 美商施耐寶公司 Tool head with groove for removal from lug
US11541518B2 (en) 2017-07-21 2023-01-03 Snap-On Incorporated Tool head with groove for removal from lug

Also Published As

Publication number Publication date
DE202007006161U1 (en) 2007-08-02

Similar Documents

Publication Publication Date Title
TW200504293A (en) A method of tightening and loosening an object
WO2005040620A1 (en) Pipe joint
CN201209614Y (en) Simple screw
TW200930903A (en) High torsion transmission screw
TWM312390U (en) Sleeve structure
KR100758324B1 (en) A tool for fastening screw parts
TWI305164B (en)
US20060117827A1 (en) Tube expander
US20080141834A1 (en) Socket
TWM415029U (en) Screw nut tool for wheel rim
KR200187816Y1 (en) Connecting apparatus for pipes
TWI701108B (en) Multi-grip socket bit
TWI314087B (en)
TWM590510U (en) Toolset and torsion intensifier thereof
JP2000192556A (en) Joining fixing fitting for wood
KR20010059806A (en) clamping bolt structure
JP2006132686A (en) Fastener
TW200948546A (en) Extension bar for tool
JP3128601U (en) Screw, screw head mounting member that can be mounted on the head of the screw, and screw unit
TWM333994U (en) A ratchet type tap wrench
KR200428365Y1 (en) A driver
TWM595025U (en) Connection rod structure
KR20110069317A (en) Bolt and tool for contracting
TWM648676U (en) Multifunctional socket tool
KR200341681Y1 (en) Connector for Construct

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees