TWI476332B - Ball screw with a part replaceable anti-dust module - Google Patents
Ball screw with a part replaceable anti-dust module Download PDFInfo
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- TWI476332B TWI476332B TW101150459A TW101150459A TWI476332B TW I476332 B TWI476332 B TW I476332B TW 101150459 A TW101150459 A TW 101150459A TW 101150459 A TW101150459 A TW 101150459A TW I476332 B TWI476332 B TW I476332B
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Description
本發明提供一種具有可替換配件的防塵模組之滾珠螺桿，其是與線性傳動裝置有關。The present invention provides a ball screw for a dustproof module having a replaceable accessory that is associated with a linear actuator.
一般滾珠螺桿主要包含一螺帽可線性位移地穿套於一螺桿上，而該螺帽及螺桿之間具有一滾動路徑供複數滾動件容置，透過螺桿的旋轉及各滾動件的持續滾動而使該螺帽順暢地產生線性位移的動作；而在螺帽相對螺桿線性位移的過程中，外界的粉塵可能會侵入螺帽內而影響傳動順暢性及精密度，因此會於該螺帽的兩端裝設刮刷器藉以在線性位移的動作過程中刮除滾動路徑上之粉塵；而一般的螺帽10如第1圖所示，該螺帽10本身加工僅成形對應粉塵刮刷器A的第一容槽11，而若要加裝如毛氈或毛刷的防塵配件B時則必須對該螺帽10進行二次加工，使該螺帽10進行二次加工成形出一可對應裝設配件B之第二容槽12，如此，雖能透過二次加工以升級加裝配件B，然，要再進行二次加工才能進行配件的升級裝配顯然對使用者來說非常地不便利，亦會產生額外的使用成本，而有需待改善之必要，有鑑於此，本發明人潛心研究並更深入構思，歷經多次研發試作後，終於發明出一種具有可替換配件的防塵模組之滾珠螺桿。Generally, the ball screw mainly comprises a nut that can be linearly displaced on a screw, and a rolling path between the nut and the screw is accommodated by the plurality of rolling elements, and the rotation of the screw and the continuous rolling of the rolling elements are The nut smoothly produces a linear displacement action; while the nut is linearly displaced relative to the screw, external dust may intrude into the nut and affect the smoothness and precision of the transmission, so that the two nuts of the nut The end mounting scraper is used to scrape the dust on the rolling path during the linear displacement action; and the general nut 10 as shown in FIG. 1 , the nut 10 itself is processed only to form the corresponding dust scraper A. The first pocket 11 and the dust-proof fitting B such as a felt or a brush are required to be subjected to secondary processing, so that the nut 10 is subjected to secondary processing to form a corresponding fitting. The second tank 12 of B, in this way, although it is possible to upgrade and install the accessory B through secondary processing, it is obviously inconvenient for the user to perform the secondary assembly to perform the upgrade assembly of the accessory. Generate additional use , While the need for improvement in the necessary view of this, the present inventors have intensive studies and deeper concept, after the test for multiple development, and finally invented a ball screw having replaceable accessory modules of dust.
本發明提供一種具有可替換配件的防塵模組之滾珠螺桿，其主要目的是改善習用螺帽需透過二次加工才能組裝防塵配件而會產生加工難度及使用成本之缺失。The invention provides a ball screw of a dustproof module with replaceable accessories, and the main purpose thereof is to improve the difficulty of processing and the use cost by improving the conventional nut to be assembled through the secondary processing.
為達前述目的，本發明提供一種具有可替換配件的防塵模組之滾珠螺桿，包含：一螺桿，外表面具有一外螺旋溝槽；一螺帽，具有一內螺旋溝槽，該螺帽穿套於該螺桿外，使該內螺旋溝槽與該外螺旋溝槽對合構成一滾動路徑供複數滾動件容置，該螺帽兩端的內表面分別設置一組配旋槽，該組配旋槽由一***段連通一定位段所構成，該定位段的一端具有一止擋面，該止擋面與該***段之間具有一轉動弧長的距離；該螺帽兩端分別設置一第一組配件及一第二組配件並分別定位於該組配旋槽，其中：該第一組配件為圓環結構且圓周內面形成一配件容槽供以容置防塵配件，且該第一組配件的其中一端面上設置複數定位部，而該第一組配件的外周緣更成形一第一組配部，該第一組配件以該第一組配部由該***段***該定位段，並可於該定位段內樞轉位移；以及該第二組配件為圓環結構並於其中一端面上成形複數配合定位部，且該第二組配件的外周面更成形一第二組配部，該第二組配部由該組配旋槽的***段***該定位段，並使該第二組配部限 位於該***段並接鄰該第一組配部，且該配合定位部配合與該定位部定位。To achieve the foregoing objective, the present invention provides a ball screw of a dustproof module having a replaceable accessory, comprising: a screw having an outer spiral groove on an outer surface; and a nut having an inner spiral groove, the nut being worn The inner spiral groove and the outer spiral groove are arranged to form a rolling path for receiving the plurality of rolling elements, and the inner surfaces of the two ends of the nut are respectively provided with a set of matching rotary grooves, and the set is arranged The slot is formed by an insertion section connected to a positioning section, and one end of the positioning section has a stop surface, and the stop surface has a distance of a rotation arc length between the insertion section; a set of accessories and a second set of accessories are respectively positioned in the set of rotary slots, wherein: the first set of accessories is a ring structure and the inner surface of the circumference forms a fitting groove for receiving the dustproof fitting, and the first a plurality of positioning portions are disposed on one end surface of the set of accessories, and an outer circumference of the first set of accessories is further formed with a first assembly portion, and the first group of accessories is inserted into the positioning portion by the insertion portion And can be pivoted within the positioning section; The second set of fittings has a ring structure and a plurality of mating positioning portions are formed on one end surface thereof, and the outer peripheral surface of the second set of fittings is further formed with a second assembly portion, and the second assembly portion is rotated by the group The insertion section of the slot is inserted into the positioning section, and the second group is limited The insertion section is adjacent to the first assembly portion, and the mating positioning portion is engaged with the positioning portion.
藉由螺帽上可配合拆組第一組配件及第二組配件，而第一組配件及第二組配件之間又可供使用者放置所需防塵配件，不須透過二次加工就能進行防塵配件的更換，提高使用的適用性及自由度，並能增加產品整體之經濟價值。The first set of accessories and the second set of accessories can be disassembled by the nut, and the first set of accessories and the second set of accessories can be used for the user to place the required dustproof accessories without secondary processing. Replace the dustproof parts, improve the applicability and freedom of use, and increase the overall economic value of the product.
為使貴審查委員對本發明之目的、特徵及功效能夠有更進一步之瞭解與認識，以下茲請配合【圖式簡單說明】詳述如后：本發明一種具有可替換配件的防塵模組之滾珠螺桿的較佳實施例如第2至6圖所示，包含：一螺桿20，外表面具有一外螺旋溝槽21；一螺帽30，內表面具有一內螺旋溝槽31，該螺帽30穿套於該螺桿20外，使該內螺旋溝槽31與該外螺旋溝槽21對合構成一滾動路徑供複數滾動件容置，該螺帽30兩端的內表面分別設置一組配旋槽32，該組配旋槽32由一***段321連通一定位段322所構成，該***段321及該定位段322順沿該螺帽30的圓周成形，且該定位段322的兩端分別具有一止擋面323，該止擋面323與該***段321之間具有一轉動弧長S0的距離，且該螺帽30接鄰該組配旋槽32的定位段322處更成形一靠抵面33；另外，該***段321具有一***段弧長S1及一***段深度D1，該***段弧長S1相當於該轉動弧長S0，而該定位段322則具有一定位段弧長S2 及一定位段深度D2，該定位段弧長S2至少為兩倍的該***段弧長S1，而本實施例之定位段弧長S2為三倍的該***段弧長S1，該螺帽30兩端分別設置一第一組配件40及一第二組配件並分別定位於該組配旋槽32，其中：該第一組配件40為圓環結構，該第一組配件40的圓周內面形成一配件容槽41供以容置防塵配件C，該防塵配件C可為毛氈、毛刷、刮屑環或油封，且該第一組配件40的其中一端面上更設置複數定位部42，本實施例之定位部42為圓孔；而該第一組配件40的外周緣更成形一第一組配部43，該第一組配部43的形狀對應該螺帽30的組配旋槽32之***段321形狀成形，且該第一組配部43具有一第一組配部寬度W1及一第一組配部長度L1，該第一組配部寬度W1相當於該***段弧長S1，該第一組配部長度L1相當於該定位段深度D2；該第一組配件40以該第一組配部43由該組配旋槽32的***段321***該定位段322，***後可樞轉使該第一組配部43靠抵於該定位段322的止擋面323；且該第一組配件40貼靠於該靠抵面33上；該第二組配件50為圓環結構，該第二組配件50的其中一端面上成形複數配合定位部51，本實施例之配合定位部51為圓柱，且該第二組配件50的外周面更成形一第二組配部52，本實施例之第二組配部52的形狀對應該組配旋槽32的***段321形狀成形，該第二組配部52具有一第二組配部寬度W2及一第二組配部長度L2，該第二組配部寬度W2相當於該***段弧長S1，而該第二組配 部長度L2大於該***段深度D1，本實施例之該第二組配部長度L2相當於該***段深度D1及該定位段深度D2的總和，藉此，該第二組配件50以該第二組配部52由該組配旋槽32的***段321***該定位段322，並使該第二組配部52限位於該***段321並接鄰該第一組配部43，且該第二組配件50的配合定位部51配合與第一組配件40的定位部42定位，本實施例是第二組配件50的圓柱對應***第一組配件40的圓孔內形成定位；而當然也可將該定位部42設置為圓柱，而該配合定位部51設置為圓孔亦能達成相同之目的。In order to enable the reviewing committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: The ball of the dustproof module with replaceable accessories of the present invention A preferred embodiment of the screw, as shown in Figures 2 through 6, comprises: a screw 20 having an outer spiral groove 21 on the outer surface; a nut 30 having an inner spiral groove 31 on the inner surface, the nut 30 being worn The inner spiral groove 31 and the outer spiral groove 21 are disposed to form a rolling path for receiving the plurality of rolling elements. The inner surfaces of the two ends of the nut 30 are respectively provided with a set of matching rotary grooves 32. The insertion slot 32 is formed by an insertion section 321 and a positioning section 322. The insertion section 321 and the positioning section 322 are formed along the circumference of the nut 30, and each of the two ends of the positioning section 322 has a a stop surface 323, the stop surface 323 and the insertion section 321 have a distance of a rotation arc length S0, and the nut 30 is adjacent to the positioning section 322 of the set of the rotation groove 32 to form a contact surface 33. In addition, the insertion section 321 has an insertion section arc length S1 and an insertion section depth D1. The insertion section corresponding to the arc length of the rotating arc length S1 S0, and the positioning section 322 has a positioning section arc length S2 And a positioning segment depth D2, the positioning segment arc length S2 is at least twice the insertion segment arc length S1, and the positioning segment arc length S2 of the embodiment is three times the insertion segment arc length S1, the nut 30 A first set of fittings 40 and a second set of fittings are respectively disposed at the two ends and are respectively positioned on the set of matching slots 32, wherein: the first set of fittings 40 is a ring structure, and the inner surface of the first set of fittings 40 is A plurality of positioning portions 42 are formed on one end surface of the first set of fittings 40, and a plurality of positioning portions 42 are disposed on one end surface of the first set of fittings 40. The positioning portion 42 of the embodiment is a circular hole; and the outer periphery of the first assembly 40 is further formed with a first assembly portion 43 having a shape corresponding to the combination of the nut 30 The insertion portion 321 of the 32 is shaped, and the first assembly portion 43 has a first assembly width W1 and a first assembly length L1, and the first assembly width W1 is equivalent to the insertion portion arc length. S1, the first set of the length L1 corresponds to the depth D2 of the positioning section; the first set of fittings 40 is configured by the first set of engaging portions 43 by the set of the rotary grooves 32 The insertion portion 321 is inserted into the positioning portion 322, and is pivoted to the first assembly portion 43 against the stop surface 323 of the positioning portion 322; and the first assembly 40 is abutted against the abutment surface 33. The second set of fittings 50 is a ring-shaped structure, and the plurality of mating positioning portions 51 are formed on one end surface of the second set of fittings 50. The mating positioning portion 51 of the present embodiment is a cylinder, and the second set of fittings 50 The outer peripheral surface is further formed with a second assembly portion 52. The shape of the second assembly portion 52 of the present embodiment is shaped to correspond to the insertion portion 321 of the combination rotary groove 32, and the second assembly portion 52 has a second group. a fitting width W2 and a second assembly length L2, the second assembly width W2 is equivalent to the insertion segment arc length S1, and the second combination The length L2 of the portion is greater than the depth D1 of the insertion portion, and the length L2 of the second assembly portion in the embodiment is equivalent to the sum of the depth D1 of the insertion portion and the depth D2 of the positioning portion, whereby the second assembly 50 is The second assembly portion 52 is inserted into the positioning portion 322 by the insertion portion 321 of the set of the rotation groove 32, and the second assembly portion 52 is limited to the insertion portion 321 and adjacent to the first assembly portion 43. The mating positioning portion 51 of the second set of fittings 50 is engaged with the positioning portion 42 of the first set of fittings 40. In this embodiment, the cylinders of the second set of fittings 50 are inserted into the circular holes of the first set of fittings 40 to form a positioning; The positioning portion 42 may also be provided as a cylinder, and the fitting positioning portion 51 may be provided as a circular hole for the same purpose.
以上為本發明具有可替換配件的防塵模組之滾珠螺桿的結構組態及特徵，而本發明之滾珠螺桿是可供使用者自行拆換該防塵配件C，而使用的方式是先將該第一組配件40對應組設定位於該螺帽30的組配旋槽32內，且是先將該第一組配件40的第一組配部43由該***段321***至該定位段322的位置，如第3圖所示，接著再旋動該第一組配件40，使該第一組配件40的第一組配部43旋轉至貼靠於該組配旋槽32的止擋面323，如第4圖所示，此時，該第一組配件40就能被限制於該組配旋槽32內而不會向外脫出；接著，就能將該防塵配件C容置於該第一組配件40的配件容槽41內，最後，就能將該第二組配件50以該第二組配部52由該組配旋槽32的***段321***並靠抵於該第一組配部43，同時，該第二組配件50上的配合定位部51與該第一組配件40的定位部 42配合定位，藉此，該第二組配件50就能結合於該第一組配件40上並定位該防塵配件C，且該第二組配件50更透過該第二組配部52深入該定位段322之配置而能再限止其樞轉的動作，如第5圖所示，當然，靠抵於該第二組配件50的第一組配件40亦受到該第二組配件50的限止而無法轉動，藉此完成配件的組裝；由上述說明可知，本發明具有可替換配件的防塵模組之滾珠螺桿能提供使用者自行拆換升級該防塵配件C的種類，不須透過二次加工就能完成防塵配件C的更換，且組裝上也非常簡單，使用的需求適用性非常高，且本發明之該第一組配件40及第二組配件50是能透過塑料射出成形生產，製造成本低而又能提高整體之適用度及功能性，當然亦能同時提高使用者的使用意願，提高經濟效益。The above is the structural configuration and characteristics of the ball screw of the dustproof module with the replaceable accessory of the present invention, and the ball screw of the present invention is for the user to replace the dustproof component C by itself, and the method is to use the first A set of accessories 40 is disposed in the assembly slot 32 of the nut 30, and the first assembly portion 43 of the first assembly 40 is first inserted into the positioning segment 322 from the insertion portion 321 . As shown in FIG. 3, the first set of fittings 40 are then rotated to rotate the first set of engaging portions 43 of the first set of fittings 40 to the stop faces 323 of the set of matching slots 32. As shown in FIG. 4, at this time, the first set of fittings 40 can be restrained in the set of the rotary grooves 32 without coming out; then, the dustproof fitting C can be accommodated in the first A set of fittings 40 in the fitting pocket 41, and finally, the second set of fittings 50 can be inserted by the second set of fittings 52 from the insertion section 321 of the set of the rotary grooves 32 and abut against the first set The matching portion 43 and the positioning portion 51 on the second set of fittings 50 and the positioning portion of the first set of fittings 40 The second set of fittings 50 can be coupled to the first set of fittings 40 and positioned to the dustproof fitting C, and the second set of fittings 50 penetrates the positioning through the second set of fittings 52. The configuration of the segment 322 can again limit its pivoting action. As shown in FIG. 5, of course, the first set of fittings 40 that are in contact with the second set of fittings 50 are also limited by the second set of fittings 50. Rotating, thereby completing the assembly of the accessory; as can be seen from the above description, the ball screw of the dustproof module with the replaceable accessory of the present invention can provide the user to replace and upgrade the type of the dustproof component C without the need for secondary processing. The replacement of the dustproof fitting C is completed, and the assembly is also very simple, and the demand for use is very high, and the first set of the fitting 40 and the second set of the fitting 50 of the present invention can be produced through plastic injection molding, and the manufacturing cost is low. It can also improve the overall applicability and functionality. Of course, it can also increase the user's willingness to use and improve economic efficiency.
《習知技術》"Knowledge Technology"
A‧‧‧粉塵刮刷器A‧‧‧dust scraper
B‧‧‧配件B‧‧‧Accessories
10‧‧‧螺帽10‧‧‧ nuts
11‧‧‧第一容槽11‧‧‧First slot
12‧‧‧第二容槽12‧‧‧Second capacity
《本發明》"this invention"
20‧‧‧螺桿20‧‧‧ screw
21‧‧‧外螺旋溝槽21‧‧‧Spiral groove
30‧‧‧螺帽30‧‧‧ Nuts
31‧‧‧內螺旋溝槽31‧‧‧Spiral groove
32‧‧‧組配旋槽32‧‧‧Group with rotary slot
321‧‧‧***段321‧‧‧Insert paragraph
322‧‧‧定位段322‧‧‧ positioning segment
323‧‧‧止擋面323‧‧‧ stop surface
33‧‧‧靠抵面33‧‧‧ by face
40‧‧‧第一組配件40‧‧‧First set of accessories
41‧‧‧配件容槽41‧‧‧Accessory
42‧‧‧定位部42‧‧‧ Positioning Department
43‧‧‧第一組配部43‧‧‧The first group of parts
50‧‧‧第二組配件50‧‧‧Second set of accessories
51‧‧‧配合定位部51‧‧‧With the positioning department
52‧‧‧第二組配部52‧‧‧Second Division
C‧‧‧防塵配件C‧‧‧Dust accessories
S0‧‧‧轉動弧長S0‧‧‧Rotating arc length
S1‧‧‧***段弧長S1‧‧‧insert arc length
S2‧‧‧定位段弧長S2‧‧‧ positioning section arc length
D1‧‧‧***段深度D1‧‧‧insert depth
D2‧‧‧定位段深度D2‧‧‧Position depth
L1‧‧‧第一組配部長度L1‧‧‧First set length
L2‧‧‧第二組配部長度L2‧‧‧Second group length
W1‧‧‧第一組配部寬度W1‧‧‧The first set of fitting width
W2‧‧‧第二組配部寬度W2‧‧‧Second group fitting width
第1圖 為一般滾珠螺桿的螺帽配置刮刷器及配件之示意圖。Fig. 1 is a schematic view showing a nut arrangement wiper and accessories of a general ball screw.
第2圖 為本發明具有可替換配件的防塵模組之滾珠螺桿的立體結構分解示意圖。Fig. 2 is a perspective exploded view showing the ball screw of the dustproof module with replaceable components of the present invention.
第3圖 為本發明具有可替換配件的防塵模組之滾珠螺桿之裝配動作示意圖一，且是顯示裝配第一組配件的初始狀態。Fig. 3 is a first schematic view showing the assembly operation of the ball screw of the dustproof module with the replaceable accessory of the present invention, and showing the initial state of assembling the first set of components.
第4圖 為本發明具有可替換配件的防塵模組之滾珠螺桿之裝配動作示意圖二，且是顯示裝配第一組配件且完成完全限位的狀態。Fig. 4 is a second schematic view showing the assembly operation of the ball screw of the dustproof module with the replaceable accessory of the present invention, and shows the state in which the first set of components are assembled and the complete limit is completed.
第5圖 為本發明具有可替換配件的防塵模組之滾珠螺桿之裝配動作示意圖三，且是顯示裝配防塵配件與第二組配件之狀態。Fig. 5 is a schematic view showing the assembly operation of the ball screw of the dustproof module with replaceable parts according to the present invention, and shows the state of assembling the dustproof fitting and the second set of fittings.
第6圖 為本發明具有可替換配件的防塵模組之滾珠螺桿的組裝完成立體外觀示意圖。Fig. 6 is a perspective view showing the assembled three-dimensional appearance of the ball screw of the dustproof module with replaceable parts according to the present invention.
20‧‧‧螺桿20‧‧‧ screw
21‧‧‧外螺旋溝槽21‧‧‧Spiral groove
30‧‧‧螺帽30‧‧‧ Nuts
31‧‧‧內螺旋溝槽31‧‧‧Spiral groove
32‧‧‧組配旋槽32‧‧‧Group with rotary slot
321‧‧‧***段321‧‧‧Insert paragraph
322‧‧‧定位段322‧‧‧ positioning segment
323‧‧‧止擋面323‧‧‧ stop surface
33‧‧‧靠抵面33‧‧‧ by face
40‧‧‧第一組配件40‧‧‧First set of accessories
41‧‧‧配件容槽41‧‧‧Accessory
42‧‧‧定位部42‧‧‧ Positioning Department
43‧‧‧第一組配部43‧‧‧The first group of parts
50‧‧‧第二組配件50‧‧‧Second set of accessories
51‧‧‧配合定位部51‧‧‧With the positioning department
52‧‧‧第二組配部52‧‧‧Second Division
C‧‧‧防塵配件C‧‧‧Dust accessories
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101150459A TWI476332B (en) | 2012-12-27 | 2012-12-27 | Ball screw with a part replaceable anti-dust module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101150459A TWI476332B (en) | 2012-12-27 | 2012-12-27 | Ball screw with a part replaceable anti-dust module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201425764A TW201425764A (en) | 2014-07-01 |
| TWI476332B true TWI476332B (en) | 2015-03-11 |
Family
ID=51725335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101150459A TWI476332B (en) | 2012-12-27 | 2012-12-27 | Ball screw with a part replaceable anti-dust module |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI476332B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH109362A (en) * | 1996-06-27 | 1998-01-13 | Thk Kk | Nut structure of screw shaft device |
| JP2000161462A (en) * | 1998-11-30 | 2000-06-16 | Tsubaki Nakashima Co Ltd | Sealing structure for ball screw |
| US6619148B2 (en) * | 2000-03-15 | 2003-09-16 | Thk Co., Ltd. | Lubricant supply device and rolling member screw apparatus using same |
| US7587955B2 (en) * | 2006-07-21 | 2009-09-15 | Robert Bosch Gmbh | Lubricating unit |
| TWI366636B (en) * | 2009-06-05 | 2012-06-21 | Scenic Precise Element Inc | |
| WO2012086432A1 (en) * | 2010-12-20 | 2012-06-28 | Thk株式会社 | Seal member, and linear motion guide device using same |
-
2012
- 2012-12-27 TW TW101150459A patent/TWI476332B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH109362A (en) * | 1996-06-27 | 1998-01-13 | Thk Kk | Nut structure of screw shaft device |
| JP2000161462A (en) * | 1998-11-30 | 2000-06-16 | Tsubaki Nakashima Co Ltd | Sealing structure for ball screw |
| US6619148B2 (en) * | 2000-03-15 | 2003-09-16 | Thk Co., Ltd. | Lubricant supply device and rolling member screw apparatus using same |
| US7587955B2 (en) * | 2006-07-21 | 2009-09-15 | Robert Bosch Gmbh | Lubricating unit |
| TWI366636B (en) * | 2009-06-05 | 2012-06-21 | Scenic Precise Element Inc | |
| WO2012086432A1 (en) * | 2010-12-20 | 2012-06-28 | Thk株式会社 | Seal member, and linear motion guide device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201425764A (en) | 2014-07-01 |
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