WO2014135646A1 - Spindelantrieb für ein verstellelement eines kraftfahrzeugs - Google Patents
Spindelantrieb für ein verstellelement eines kraftfahrzeugs Download PDFInfo
- Publication number
- WO2014135646A1 WO2014135646A1 PCT/EP2014/054374 EP2014054374W WO2014135646A1 WO 2014135646 A1 WO2014135646 A1 WO 2014135646A1 EP 2014054374 W EP2014054374 W EP 2014054374W WO 2014135646 A1 WO2014135646 A1 WO 2014135646A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spindle
- drive
- spindle nut
- nut
- guide tube
- Prior art date
Links
- 238000005755 formation reaction Methods 0.000 claims abstract description 43
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 14
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000035772 mutation Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 abstract 2
- 230000003993 interaction Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/10—Doors arranged at the vehicle rear
- B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/546—Tailboards, tailgates or sideboards opening upwards
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
Definitions
- the present invention relates to a spindle drive for an adjusting element of a motor vehicle according to the preamble of claim 1 and to a corresponding spindle drive according to the preamble of claim 11.
- adjustment 1 is widely understood in the present case. It includes, for example, a tailgate, a trunk lid, an engine hood, a side door, a cargo compartment lid, a lifting roof o. The like.
- a motor vehicle below is the scope of the motorized adjustment of a tailgate of a motor vehicle in the foreground. This is not meant to be limiting.
- the well-known spindle drive (DE 20 2005 000 559 U 1). from which the invention proceeds, has two drive sections in the usual way. of which a drive section of a spindle and the other drive section is associated with a spindle nut meshing with the spindle.
- the two drive sections are each assigned a connection for discharging the linear drive movements. In order not to load the connections on a rotation about the geometric spindle axis, the two drive sections are secured against rotation against each other.
- the spindle nut is connected in the known spindle drive via a Spindelmuttcr- tube with the spindle nut side connection.
- an outer housing tube extends in the direction of the spindle-shaped connection.
- a housing tube in turn extends in the direction of the spindle-nut-side connection, such that the spindle-side housing tube runs in the spindle-nut-side housing tube.
- the rotation is integrated in the known spindle drive in the existing housing of the two tubes.
- the two Housing tubes coupled to prevent rotation in a torque-transmitting manner. This is done for example by a tongue and groove coupling.
- a disadvantage of the known spindle drive is the fact that a weight-reducing design of the housing by the loads associated with the rotation only within narrow limits is possible.
- the invention is based on the problem, the known spindle drive in such a way and further develop that the housing related constructive restrictions are reduced without the functionality of the Spindeiantriebs impaired ird.
- a guide tube assigned to the spindle-side drive section is provided, in which the spindle nut is guided together with the spindle nut tube.
- the engagement between the spindle nut and the spindle nut tube and the guide tube is used to ensure the above-mentioned rotation between the two drive sections.
- at least one formation in the inner region of the guide tube is provided with an associated Jacobausformung in the outer region of the spindle nut and / or the spindle nut tube seen in cross-section.
- wedge-like interaction is to be understood in the present case. By this is meant that the support of the torsional torques takes place over some kind of surface, which converts at least part of the support based on a radial force component. In this area is in the broadest sense, a wedge surface, as far as a corresponding force diversion is made wedge-like in the above sense.
- a form-locking engagement of the two formations has been achieved by the mutually complementary design of the guide tube side molding and the associated spindle mother Gegenausformung, resulting in a particularly uniform distribution of forces in the support of Vercardmo- elements.
- the shapes in question are configured at least partially bent. This makes it possible to reduce undesired notch effects with little effort.
- an extremely stable structural structure can be realized in that the formations seen in cross-section form closed contours. Due to the above-mentioned, flat wedge angle, the space required for the torsion low in the radial direction, so that it is possible to dispense with radial openings, in particular in the guide tube.
- the independent role plays, the spindle nut as Kun sts to ff- S pr i tzg ie ßte i 1 configured, the spindle nut formation together with the spindle nut side for the rotation in or on the Spindeimutterrohr in the plastic injection molding is injected or injected.
- the wedge-like interaction between the embodiments in question does not necessarily matter here.
- the spindle nut can be produced in a particularly simple manner together with the spindle nut-side shaping.
- Particularly noteworthy in this context is the fact that a .Montage intimid for the spindle nut or the spindle nutse-term shaping completely eliminated.
- FIG. 1 is a schematic side view of the rear of a motor vehicle with a proposed spindle drive
- Fig. 2 shows the proposed spindle drive according to FIG. 1 a) in the assembled state and b) in the partially disassembled state and
- FIG. 3 shows the spindle drive according to FIG. 2a) in a sectional view along the section line III-III.
- the spindle drive shown in the drawing serves for the motorized adjustment of an adjusting element 1 of a motor vehicle designed as a tailgate.
- Other applications of the proposed spindle drive are conceivable, as will be explained in detail below.
- the spindle drive is equipped in the usual way with a drive unit 2 and one of the drive unit 2 drive-downstream spindle Spindelmutter- gearbox 3 for generating linear drive movements.
- the drive unit 2 has a here and preferably tubular and in particular one-piece drive unit housing and therein a drive motor 5 and a drive transmission downstream of the drive motor 5 Z i Cosmeticgetriebe 6.
- the drive motor can also be dispensed with an intermediate gear 6.
- a particularly slender embodiment results from the fact that the drive unit 2 and the spindle spindle nut transmission 3 are arranged one behind the other on the geometric spindle axis 7.
- the spindle-spindle nut transmission 3 is equipped in a conventional manner with a spindle 8 and a spindle nut 9, wherein the spindle nut 9 is in meshing engagement with the spindle 8.
- the spindle drive has two drive sections 10, 1 1, which telescope at a motor adjustment telescopically and against rotation are secured against each other, the spindle 8 is the drive section 10 and the spindle nut 9 associated with the drive section 1 1.
- Fig. 2b shows that the spindle nut 9 is connected via a spindle nut tube 14 with the spindle nut side terminal 13.
- the spindle nut 9 together with the spindle nut tube 14 along the geometric spindle axis 7 in a guide tube 15 of the spindle-side drive section 1 0 is performed, wherein between the spindle nut 9 and spindle nut tube 14 and guide tube 1 5 an anti-rotation is realized.
- viewed in cross section transversely to the geometric spindle axis 7 seen at least one formation 1 6 in the inner region of the guide tube 15 with an associated Jacobausformung 1 7 in the outer region of the spindle nut 9 and here and preferably also of the spindle nut tube 14 for preventing rotation in a torque-transmitting manner.
- the form of formation 16 and the Gegenausformung 1 7 form a positive connection, on which the anti-rotation device goes back.
- a plurality of molds 16 and counter-formations 1 7 are provided, as will be explained.
- Fig. 3 shows for the formations 1 6. 1 7, the respective wedge surfaces 1 8, 19.
- this is not an ideal wedge arrangement with ideal flat wedge surfaces 18, 19 is. Rather, in the present case it is a matter of the fact that the geometry of the arrangement results in a preselected one. wedge-like interaction between the formations 1 6, 1 7 results. Furthermore, it is clear here that due to the symmetry of the formations 16, 17, the anti-rotation device acts in both directions of rotation. T EP2014 / 054374
- the guide tube-side molding 16 is configured convex and that, accordingly, the spindle nut-side Gegenausformung 17 is configured concave.
- This arrangement is particularly advantageous in view of the limited wall thickness of the guide tube 15.
- the guide tube-side molding 16 is configured concave and that accordingly the spindle nut side Jacobaus Forrnung 17 is configured convex.
- the terms "convex” and “concave” are to be understood broadly and are not limited to curved course accordingly.
- the two mutually associated formations 16, 17 act in a wedge-like manner, that is to say over the wedge slopes 1 8, 19, which form a wedge angle u.
- the resultant wedge angle ⁇ is less than 50 ° and preferably less than 45 °.
- the wedge angle ⁇ is preferably in a range between 30 ° and 35 °.
- mung 1 6 and the spindle nut side Jacobausformung 17 are each configured flat. In principle, however, it is also sufficient for the realization of such a vertex ⁇ . that only one of the two formations 16. 1 7 is configured flat.
- FIG. 3 shows that a plurality of guide tube side molds 16 and a plurality of spindle nut side counter-formations 17 are provided. All versions of a single guide tube side molding 16 and a single spindle nut side Jacobausformung 1 7 apply to the plurality of molds 16, 17 accordingly.
- both the guide tube side formations and the spindle nut side Jacobausformept 17 are spaced apart by an angle of 120 °.
- the design of the spindle nut 9 comes in the illustrated and so far preferred exemplary embodiment very special importance. It is essential first that the spindle nut 9 in the spindle nut tube 14, here and preferably at one end of the spindle nut tube 14, is arranged. This ensures that the spindle drive can be moved apart as far as physically possible. 014 054374
- Fig. 3 further shows that here and preferably the radially projecting through the opening 20 part 9a of the spindle nut 9 extends laterally, ie perpendicular to a radial direction, beyond the edge 20a of the opening 20 addition.
- the spindle nut 9 as a plastic injection-molded part and by inserting the spindle nut 9 together with the spindle-shaped counter-formation 1 7 for preventing rotation in or on the spindle nut tube 14 in the plastic injection molding process. is injected. It is conceivable in this connection that the spiral nut utterrohr 14 is inserted into an injection mold and that the spindle nut 9 is produced together with the spindle nut side G egen fo rm u ng 1 7 in a single injection molding.
- the spindle nut 9 is injection-molded on the one hand from a first plastic material and the at least one counter-shaping 1 7 on the spindle nut side, on the other hand, is injection-molded from a second plastic material.
- the second body is preferably softer than the first plastic material in order to improve the damping properties of the interaction of the two formations 16, 17.
- the guide tube 15 is configured in a particularly preferred embodiment of plastic. This is possible in particular by the fact that a considerable part of the torsional moments can be supported by a radial force component by the wedge-like interaction of the mutually associated formations 16, 17.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480012849.9A CN105209791B (zh) | 2013-03-07 | 2014-03-06 | 用于机动车的调整元件的主轴驱动器 |
JP2015560694A JP6184528B2 (ja) | 2013-03-07 | 2014-03-06 | 自動車の変位部材用のスピンドル駆動装置 |
US14/772,934 US10119599B2 (en) | 2013-03-07 | 2014-03-06 | Spindle drive for an adjusting element of a motor vehicle |
KR1020157027943A KR101790859B1 (ko) | 2013-03-07 | 2014-03-06 | 차량의 조절 부재를 위한 스핀들 구동기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013003830.8 | 2013-03-07 | ||
DE102013003830.8A DE102013003830A1 (de) | 2013-03-07 | 2013-03-07 | Spindelantrieb für ein Verstellelement eines Kraftfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014135646A1 true WO2014135646A1 (de) | 2014-09-12 |
Family
ID=50231186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/054374 WO2014135646A1 (de) | 2013-03-07 | 2014-03-06 | Spindelantrieb für ein verstellelement eines kraftfahrzeugs |
Country Status (6)
Country | Link |
---|---|
US (1) | US10119599B2 (de) |
JP (1) | JP6184528B2 (de) |
KR (1) | KR101790859B1 (de) |
CN (1) | CN105209791B (de) |
DE (1) | DE102013003830A1 (de) |
WO (1) | WO2014135646A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10036191B2 (en) * | 2015-09-30 | 2018-07-31 | Aisin Seiki Kabushiki Kaisha | Vehicle door opening/closing apparatus |
US10119599B2 (en) | 2013-03-07 | 2018-11-06 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Spindle drive for an adjusting element of a motor vehicle |
Families Citing this family (22)
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JP6173293B2 (ja) * | 2014-12-02 | 2017-08-02 | 株式会社ハイレックスコーポレーション | 伸縮駆動装置および開閉体開閉装置 |
US10100568B2 (en) * | 2015-08-12 | 2018-10-16 | Magna Closures Inc. | Electromechanical strut with lateral support feature |
DE102016104910A1 (de) * | 2016-03-16 | 2017-09-21 | Ejot Gmbh & Co. Kg | Stellspindelanordnung für einen Linearantrieb |
DE102016218225A1 (de) | 2016-09-22 | 2018-03-22 | Stabilus Gmbh | Spindelantriebseinrichtung |
DE102016124929A1 (de) | 2016-12-20 | 2018-06-21 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Verfahren für den Betrieb einer Einklemmschutzanordnung |
ES2884063T3 (es) * | 2017-05-11 | 2021-12-10 | Sfs Intec Holding Ag | Husillo roscado de bolas |
JP7112927B2 (ja) * | 2017-11-07 | 2022-08-04 | 株式会社ユーシン | 車両用ドア開閉装置 |
JP6986931B2 (ja) * | 2017-11-07 | 2021-12-22 | 株式会社ユーシン | 車両用ドア開閉装置 |
WO2019093195A1 (ja) * | 2017-11-07 | 2019-05-16 | 株式会社ユーシン | 車両用ドア開閉装置 |
DE112018005302T5 (de) * | 2017-11-07 | 2020-07-23 | U-Shin Ltd. | Türöffnungs- und Schließvorrichtung für Fahrzeuge |
DE102017127859A1 (de) * | 2017-11-24 | 2019-05-29 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Antriebsvorrichtung für ein Verschlusselement eines Kraftfahrzeugs |
JP7067149B2 (ja) | 2018-03-13 | 2022-05-16 | 株式会社アイシン | 車両用ドア開閉装置 |
DE102018002905A1 (de) | 2018-04-04 | 2019-10-10 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg | Spindelantrieb für ein Verschlusselement eines Kraftfahrzeugs |
DE102018213445A1 (de) * | 2018-08-09 | 2020-02-13 | Lucas Automotive Gmbh | Fahrzeugeinrichtung mit einer Spindel/Mutter-Anordnung und mit einer Verdrehsicherung sowie Verfahren zum Montieren einer Verdrehsicherung für ein Herstellen einer solchen Fahrzeugeinrichtung |
US20200190883A1 (en) * | 2018-12-17 | 2020-06-18 | Magna Closures Inc. | Actuator based self regulating counterbalance mechanism with friction |
DE102019110902A1 (de) * | 2019-04-26 | 2020-10-29 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Spindelantrieb für ein Verschlusselement eines Kraftfahrzeugs |
DE202019103390U1 (de) | 2019-06-17 | 2020-09-18 | Dewertokin Gmbh | Linearantrieb mit Lageausrichtungsmitteln zwischen Führungsrohr und Spindelmutter |
DE102020105709A1 (de) | 2020-03-03 | 2021-09-09 | Fertig Motors GmbH | Linearsystem und Verfahren zur Montage solch eines Linearsystems |
US11067156B1 (en) * | 2020-07-21 | 2021-07-20 | Hi-Lex Controls, Inc. | Friction brake and power strut therewith |
CN112302353A (zh) * | 2020-10-14 | 2021-02-02 | 蒋春邦 | 一种预制板快速拼接后的偏位标记装置 |
DE102021121801A1 (de) | 2021-08-23 | 2023-02-23 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Spindelantrieb |
CN114458664B (zh) * | 2022-04-11 | 2022-06-24 | 西安华欧精密机械有限责任公司 | 锁紧电动缸及其锁定、解锁方法 |
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DE3801904A1 (de) * | 1988-01-23 | 1989-08-03 | Gestra Ag | Schraubgetriebe |
DE3824867C1 (en) * | 1988-07-21 | 1989-10-05 | Josef 7312 Kirchheim De Pradler | Linear drive unit having a multi-element housing |
US6067868A (en) * | 1996-03-07 | 2000-05-30 | Tsubakimoto Chain Co. | Anti-rotation mechanism in a screw type linear actuator |
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DE102013003830A1 (de) | 2013-03-07 | 2014-09-11 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Spindelantrieb für ein Verstellelement eines Kraftfahrzeugs |
-
2013
- 2013-03-07 DE DE102013003830.8A patent/DE102013003830A1/de active Pending
-
2014
- 2014-03-06 US US14/772,934 patent/US10119599B2/en active Active
- 2014-03-06 WO PCT/EP2014/054374 patent/WO2014135646A1/de active Application Filing
- 2014-03-06 JP JP2015560694A patent/JP6184528B2/ja active Active
- 2014-03-06 KR KR1020157027943A patent/KR101790859B1/ko active IP Right Grant
- 2014-03-06 CN CN201480012849.9A patent/CN105209791B/zh active Active
Patent Citations (3)
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DE3801904A1 (de) * | 1988-01-23 | 1989-08-03 | Gestra Ag | Schraubgetriebe |
DE3824867C1 (en) * | 1988-07-21 | 1989-10-05 | Josef 7312 Kirchheim De Pradler | Linear drive unit having a multi-element housing |
US6067868A (en) * | 1996-03-07 | 2000-05-30 | Tsubakimoto Chain Co. | Anti-rotation mechanism in a screw type linear actuator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10119599B2 (en) | 2013-03-07 | 2018-11-06 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Spindle drive for an adjusting element of a motor vehicle |
US10036191B2 (en) * | 2015-09-30 | 2018-07-31 | Aisin Seiki Kabushiki Kaisha | Vehicle door opening/closing apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN105209791B (zh) | 2019-06-21 |
US10119599B2 (en) | 2018-11-06 |
US20160153532A1 (en) | 2016-06-02 |
CN105209791A (zh) | 2015-12-30 |
JP2016513778A (ja) | 2016-05-16 |
KR101790859B1 (ko) | 2017-11-20 |
JP6184528B2 (ja) | 2017-08-23 |
DE102013003830A1 (de) | 2014-09-11 |
KR20150130399A (ko) | 2015-11-23 |
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