CN103412471A - Three-axis tourbillon mechanism of mechanical watch - Google Patents
Three-axis tourbillon mechanism of mechanical watch Download PDFInfo
- Publication number
- CN103412471A CN103412471A CN2013103510444A CN201310351044A CN103412471A CN 103412471 A CN103412471 A CN 103412471A CN 2013103510444 A CN2013103510444 A CN 2013103510444A CN 201310351044 A CN201310351044 A CN 201310351044A CN 103412471 A CN103412471 A CN 103412471A
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- Prior art keywords
- axle
- cylindrical roller
- top flywheel
- gear
- clamping plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 239000010437 gem Substances 0.000 claims description 3
- 229910001751 gemstone Inorganic materials 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
- G04B17/285—Tourbillons or carrousels
Abstract
The invention discloses a three-axis tourbillon mechanism of a mechanical watch; comprises a tourbillon fixed on a driving wheel, an outer shaft frame and a differential mechanism; the driving wheel is meshed with the power input wheel, and the rotating axis of the tourbillon is vertical to the rotating axis of the outer shaft frame; the intermediate wheel is meshed with a second gear shaft fixed on the inner shaft tourbillon; the differential mechanism includes a third axis planetary mechanism of a lower support type. The beneficial effects are that: because the lower supporting type planetary mechanism is adopted as the third rotating shaft, the overall structure has strong manufacturability, and particularly, the cylindrical roller bearing is simple to process, has low part processing cost and is suitable for batch industrial production; the movement track of triaxial top flywheel is followed the column and upgraded to globular, and inside speed adjusting mechanism is three-dimensional multi-angle motion, and the movement track is more complicated, and the effect of offsetting earth's gravitation is more obvious, and the mechanical table is more accurate when walking.
Description
Technical field
The present invention relates to a kind of top flywheel mechanism of mechanical watch, particularly relate to a kind of three axle top flywheel mechanisms of mechanical watch.
Background technology
The design feature of top flywheel is that the speed adjusting gear that stem-winder is most crucial rotates under the drive of top flywheel framework, to offset the impact of gravity, patent publication No. CN102809919A discloses a kind of twin shaft top flywheel, its design feature is that the shaft center line of interior axle framework arranges with the shaft center line of outer shaft framework is vertical, the shaft center line of outside framework is perpendicular to the axial line with movement, carry the interior axle top flywheel of speed adjusting gear under the drive of outer shaft framework, not only with the revolution of outer shaft axial line but also with the rotation of interior axle axial line, make the movement locus of escapement and balance and hair spring system become complicated.Its movement locus is compared and is become more complicated with single shaft top flywheel, and maximum advantage is that the movement locus of speed adjusting gear is more complicated, and offsetting gravitational ability will be more obvious, and final result is that the timekeeping performance of multiaxis top flywheel stem-winder can be raised.But the movement locus of above-mentioned twin shaft top flywheel is similar to the column stereo-motion, the movement locus of speed adjusting gear can only be in limited solid space conversion.
In order to offset better the gravity effect that comes from the earth, a kind of three axle top flywheels have been developed at present, it is on twin shaft top flywheel structure basis, to have increased the 3rd turning axle, the effect of bringing is the movement locus subglobular of top flywheel, make the speed adjusting gear of top flywheel inside can move to direction arbitrarily, promote with this gravitational ability that overcomes.But there is following defect in the structure of existing three axle top flywheels: at first, the 3rd axle adopts upper and lower support pattern, and this kind structure can take more axial space, makes the thickness of table increase a lot, very inconvenient for the wearer; Secondly, the 3rd axle adopts ball bearing lower support mode.The special-purpose ball bearing size of using in wrist-watch is little, and thin, and not plain ball bearing dwindles achieved function; Ball bearing in the top flywheel mechanism will carry running up of top flywheel, so the wearing and tearing of ball bearing are the previous defects that can't overcome of order, and some manufacture difficulty and prices that are highly resistant to the high precision ball bearing of wearing and tearing are very high.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of simple in structure, good manufacturability, the three axle top flywheels of being convenient to process.
The technical solution adopted in the present invention is: a kind of three axle top flywheel mechanisms of mechanical watch; Comprise, be fixed on top flywheel, outer shaft framework and differential attachment on driving wheel; Described driving wheel and power input wheel engagement, the shaft center line of described top flywheel is vertical with the shaft center line of outer shaft framework; Idle wheel and the second pinion engagement of being fixed in interior axle top flywheel; In described differential attachment, include the 3rd axle planetary mechanism of lower support mode.
Described differential attachment comprises: support, planetary gear, support shaft, planetary mechanism, clamping plate and the second clamping plate post; Described planetary gear and support shaft riveted are integrated, and described support shaft is arranged on the jewel bearing of support, described planetary gear and planetary mechanism engagement, and described clamping plate are fixed on clamping plate by the second clamping plate post.
Described planetary mechanism comprises, the first clamping plate post, bearing bracket stand, cylindrical roller axle, cylindrical roller, interior ring and sun gear; Described planetary gear and sun gear engagement, gear ratio is 1:5-15, described driving wheel is fixed as one by the first clamping plate post and bearing bracket stand; Cylindrical roller evenly is arranged on the cylindrical roller axle, and cylindrical roller axle and bearing bracket stand are fixed as one, and described cylindrical roller can rotate freely; Described sun gear and interior ring concentric are fixed as one, the bottom of described cylindrical roller contacts with the outer rim step of interior ring with outer rim, the inner edge step clearance fit of the upper end of cylindrical roller and sun gear, described bearing bracket stand take interior ring axial line as axle can flexible rotating; Described interior ring is fixed by screws on clamping plate; Top flywheel and outer shaft framework be take the axial line of sun gear and are the axle rotation.
Described planetary gear and sun gear are cone gear; Described planetary gear revolves round the sun around sun gear, and simultaneously, described planetary gear is with the axial line rotation of outer shaft framework.
Described planetary gear is spur gear, and described sun gear is crown tooth; Described planetary gear revolves round the sun around sun gear, and simultaneously, described planetary gear is with the axial line rotation of outer shaft framework.
Described cylindrical roller is three, five, and seven or nine; Cylindrical roller axle and bearing bracket stand are integrated by screw or the two direct pressing.
The invention has the beneficial effects as follows: as the 3rd turning axle, so the general structure manufacturability is strong due to the planetary mechanism that adopts the lower support mode, and particularly cylinder roller bearing processing is simple, and the part processing cost is low, is applicable to suitability for industrialized production in batches; The movement locus of three axle top flywheels upgrades to spherical from column, inner speed adjusting gear is three-dimensional multi-angle motion, and movement locus is more complicated, offsets gravitational effect more obvious, more accurate when stem-winder is walked.
The accompanying drawing explanation
Fig. 1 is the axial schematic diagram of the present invention three axle top flywheel embodiment 1;
Fig. 2 is the floor map of the present invention three axle top flywheel embodiment 1;
Fig. 3 is the schematic perspective view of planetary mechanism embodiment 1 of the present invention;
Fig. 4 is the perspective exploded view of planetary mechanism embodiment 1 of the present invention;
Fig. 5 is the axial schematic diagram of the present invention three axle top flywheel embodiment 2.
In figure:
1: driving wheel 2: support 3: planetary gear 4: 5: the first clamping plate posts of support shaft
6: bearing bracket stand 7: cylindrical roller axle 8: cylindrical roller 9: interior ring 10: clamping plate
11: the second clamping plate posts 12: sun gear 13: outer shaft framework 14: interior axle top flywheel 15: power input wheel
16: idle wheel 17: second pinion.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
As shown in Figure 1, three axle top flywheel mechanisms of mechanical watch of the present invention are to be CN102809919A at publication number, denomination of invention is the recreation on the basis of " the twin shaft top flywheel mechanism of mechanical watch ", and concrete structure this paper of relevant twin shaft top flywheel mechanism repeats no more.
Embodiment 1: three axle top flywheel mechanisms of mechanical watch of the present invention, comprise, and be fixed on top flywheel 14, outer shaft framework 13 and differential attachment on driving wheel 1; Described driving wheel 1 and power input wheel 15 engagements, the shaft center line of described top flywheel 14 is vertical with the shaft center line of outer shaft framework 13, and top flywheel 14 rotated a week in every 1 minute, and outer shaft framework 13 rotated a week in every 2.5 minutes; Idle wheel 16 and second pinion 17 engagements of being fixed in interior axle top flywheel 14; In described differential attachment, include the 3rd axle planetary mechanism of lower support mode.
Described differential attachment comprises: support 2, planetary gear 3, support shaft 4, planetary mechanism, clamping plate 10 and the second clamping plate post 11; Described planetary gear 3 is integrated with support shaft 4 riveteds, and planetary gear 3 is cone gear; Described support shaft 4 is arranged on the jewel bearing of support 2, described planetary gear 3 and planetary mechanism engagement, and described clamping plate 10 are fixed on clamping plate by the second clamping plate post 11.
Described planetary mechanism is that the lower support mode comprises, the first clamping plate post 5, cylindrical roller frame parts, interior ring 9 and sun gear 12; Cylindrical roller frame parts comprise bearing bracket stand 6, cylindrical roller axle 7, cylindrical roller 8; Sun gear 12 is cone gear, described planetary gear 3 and sun gear 12 engagements, and gear ratio is 1:3.6, the rotational speed of this value representation the 3rd axle is every 9 minutes one weeks of rotation, but the selection range of this value is between 5-15; Described driving wheel 1 is fixed as one with bearing bracket stand 6 by the first clamping plate post 5; Cylindrical roller 8 evenly is arranged on cylindrical roller axle 7, cylindrical roller axle 7 is fixed as one with bearing bracket stand 6, described cylindrical roller 8 can rotate freely, and the number of cylindrical roller 8 can determine according to the actual conditions of design, but will guarantee it is odd number, as, generally can arrange 3,5,7,9, the embodiment of the present invention adopts 5 cylindrical rollers; Described sun gear 12 is fixed as one with interior ring 9 concentrics, the bottom of described cylindrical roller 8 contacts with the outer rim step of interior ring 9 with outer rim, the inner edge step clearance fit of the upper end of cylindrical roller 8 and sun gear 12, it should be noted that the bearing bracket stand 6 that is fixed with 5 cylindrical rollers 8 take interior ring 9 axial line as axle can flexible rotating; Described interior ring 9 is fixed by screws on clamping plate 10; Top flywheel 14 and outer shaft framework 13 be take the axial line of sun gear 12 and are the axle rotation.
Embodiment 2: planetary gear 3 is spur gear, and sun gear 12 is crown tooth, and both intermesh and form the vertical-transmission relation; Cylindrical roller axle 7 and bearing bracket stand 6 pressings are integrated.Other structures are all identical with embodiment 1, do not repeat them here.
The course of work of three axle top flywheel mechanism embodiment 1 of mechanical watch of the present invention is described as follows:
Power input wheel 15 drives driving wheel 1 rotation.Because driving wheel 1 and bearing bracket stand 6 interfix, and cylindrical roller frame parts, interior ring 9 and sun gear 12 formed cylinder roller bearing, and being arranged on outer shaft framework 13 on driving wheel 1 and interior axle top flywheel 14, to take the axial line of sun gear 12 be the axle rotation.Because planetary gear 3 is meshing relations with sun gear 12, planetary gear 3 is around sun gear 12 revolution, and the while is with the axial line rotation of outer shaft framework 13.The course of work of twin shaft top flywheel can be referring to patent No. CN102809919A " the twin shaft top flywheel mechanism of mechanical watch ".In under the driving of the 3rd axle, axle top flywheel 14 rotated a week in every 1 minute, outer shaft framework 13 rotated a week in every 2.5 minutes, time used one week of the every rotation of outer shaft framework 13 can be between 2-10 minute, the rotational speed of the 3rd axle is every 9 minutes one weeks of rotation, but the selection range of this value is between 5-15.
The course of work of three axle top flywheel mechanism embodiment 2 of mechanical watch of the present invention is described as follows:
Power input wheel 15 drives driving wheel 1 rotation.Because driving wheel 1 and bearing bracket stand 6 interfix, and cylindrical roller frame parts, interior ring 9 and sun gear 12 formed cylinder roller bearing, is arranged on interior axle top flywheel 14 rotations on driving wheel 1, and the axial line of sun gear 12 of take simultaneously is the axle revolution.
The present invention, because the structure of the 3rd axle is the lower support mode, therefore, when improving timekeeping performance, does not increase wrist-watch thickness yet, still keeps the small and exquisite of wrist-watch, attractive in appearance; In addition, the 3rd axle general structure manufacturability is strong, and particularly cylinder roller bearing processing is simple, and the part processing cost is low, is applicable to suitability for industrialized production in batches; The movement locus of three axle top flywheels upgrades to spherical from column, inner speed adjusting gear is three-dimensional multi-angle motion, and movement locus is more complicated, offsets gravitational effect more obvious, more accurate when stem-winder is walked.
It is worthy of note; what the present embodiment adopted is coaxial-type top flywheel; and protection scope of the present invention is not limited to above-mentioned embodiment; according to basic fundamental design of the present invention; those of ordinary skills also can adopt essentially identical structure driven, and select centering type top flywheel still can realize purpose of the present invention, as long as need not pass through creative work; the embodiment that can associate, all belong to protection scope of the present invention.
Claims (6)
1. three axle top flywheel mechanisms of a mechanical watch; Comprise, be fixed on top flywheel (14), outer shaft framework (13) and differential attachment on driving wheel (1); Described driving wheel (1) and power input wheel (15) engagement, the shaft center line of described top flywheel (14) is vertical with the shaft center line of outer shaft framework (13); Idle wheel (16) and second pinion (17) engagement of being fixed in interior axle top flywheel (14); It is characterized in that, in described differential attachment, include the 3rd axle planetary mechanism of lower support mode.
2. three axle top flywheel mechanisms of mechanical watch according to claim 1; It is characterized in that, described differential attachment comprises: support (2), planetary gear (3), support shaft (4), planetary mechanism, clamping plate (10) and the second clamping plate post (11); Described planetary gear (3) is integrated with support shaft (4) riveted, described support shaft (4) is arranged on the jewel bearing of support (2), described planetary gear (3) and planetary mechanism engagement, described clamping plate (10) are fixed on clamping plate by the second clamping plate post (11).
3. three axle top flywheel mechanisms of mechanical watch according to claim 2; It is characterized in that, described planetary mechanism comprises, the first clamping plate post (5), bearing bracket stand (6), cylindrical roller axle (7), cylindrical roller (8), interior ring (9) and sun gear (12); Described planetary gear (3) and sun gear (12) engagement, gear ratio is 1:5-15, described driving wheel (1) is fixed as one by the first clamping plate post (5) and bearing bracket stand (6); It is upper that cylindrical roller (8) evenly is arranged on cylindrical roller axle (7), and cylindrical roller axle (7) is fixed as one with bearing bracket stand (6), and described cylindrical roller (8) can rotate freely; Described sun gear (12) is fixed as one with interior ring (9) concentric, the bottom of described cylindrical roller (8) contacts with the outer rim step of interior ring (9) with outer rim, the inner edge step clearance fit of the upper end of cylindrical roller (8) and sun gear (12), described bearing bracket stand (6) take interior ring (9) axial line as axle can flexible rotating; Described interior ring (9) is fixed by screws on clamping plate (10); Top flywheel (14) and outer shaft framework (13) be take the axial line of sun gear (12) and are the axle rotation.
4. according to three axle top flywheel mechanisms of claim 2 or 3 described mechanical watchs; It is characterized in that, described planetary gear (3) and sun gear (12) are cone gear; Described planetary gear (3) is around sun gear (12) revolution, and simultaneously, described planetary gear (3) is with the axial line rotation of outer shaft framework (13).
5. according to three axle top flywheel mechanisms of claim 2 or 3 described mechanical watchs; It is characterized in that, described planetary gear (3) is spur gear, and described sun gear (12) is crown tooth; Described planetary gear (3) is around sun gear (12) revolution, and simultaneously, described planetary gear (3) is with the axial line rotation of outer shaft framework (13).
6. three axle top flywheel mechanisms of mechanical watch according to claim 3; It is characterized in that, described cylindrical roller (8) is three, five, and seven or nine; Cylindrical roller axle (7) and bearing bracket stand (6) are integrated by screw or the two direct pressing.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351044.4A CN103412471B (en) | 2013-08-13 | 2013-08-13 | Three-axis tourbillon mechanism of mechanical watch |
| DE112014000171.6T DE112014000171B4 (en) | 2013-08-13 | 2014-02-24 | Three-axis tourbillon for a mechanical wristwatch |
| PCT/CN2014/072439 WO2015021765A1 (en) | 2013-08-13 | 2014-02-24 | Triple-axis tourbillon mechanism of mechanical watch |
| CH00637/15A CH709098B1 (en) | 2013-08-13 | 2014-02-24 | Three-axis tourbillon mechanism for a mechanical wristwatch. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351044.4A CN103412471B (en) | 2013-08-13 | 2013-08-13 | Three-axis tourbillon mechanism of mechanical watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103412471A true CN103412471A (en) | 2013-11-27 |
| CN103412471B CN103412471B (en) | 2016-06-29 |
Family
ID=49605497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310351044.4A Active CN103412471B (en) | 2013-08-13 | 2013-08-13 | Three-axis tourbillon mechanism of mechanical watch |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN103412471B (en) |
| CH (1) | CH709098B1 (en) |
| DE (1) | DE112014000171B4 (en) |
| WO (1) | WO2015021765A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021765A1 (en) * | 2013-08-13 | 2015-02-19 | 天津海鸥表业集团有限公司 | Triple-axis tourbillon mechanism of mechanical watch |
| CN110611168A (en) * | 2019-09-21 | 2019-12-24 | 孙凤山 | Multi-antenna calibration device for 5G communication |
| CN112305894A (en) * | 2020-10-28 | 2021-02-02 | 深圳市格雅表业有限公司 | Tourbillon in mechanical clock movement |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106227019B (en) * | 2016-09-29 | 2018-08-17 | 福州小神龙表业技术研发有限公司 | A kind of time run second watch and clock movement and its working method |
| CH713738B1 (en) | 2017-04-28 | 2021-05-14 | Mft Romain Gauthier Sa | Tourbillon watch movement with inclined fixed wheel. |
| CN108581506A (en) * | 2018-06-12 | 2018-09-28 | 如皋市力星滚子科技有限公司 | Large roller connection system |
| CH718424B1 (en) * | 2021-03-11 | 2023-10-31 | Richemont Int Sa | Timepiece with a display device comprising at least one ornamental mobile. |
| EP4266132A1 (en) * | 2022-04-22 | 2023-10-25 | Blancpain SA | Vortex-type actuator or three-dimensional carousel provided with a peripheral ball bearing |
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| EP1276022A2 (en) * | 2001-07-12 | 2003-01-15 | Franck Muller-Watchland SA | Mechanical watch |
| WO2004077171A2 (en) * | 2003-02-27 | 2004-09-10 | Thomas Prescher | Timepiece |
| WO2005071498A1 (en) * | 2004-01-26 | 2005-08-04 | Gübelin AG | Tourbillon |
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| CN203444249U (en) * | 2013-08-13 | 2014-02-19 | 天津海鸥表业集团有限公司 | Three-axis tourbillon mechanism of mechanical watch |
Family Cites Families (5)
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|---|---|---|---|---|
| CH693832A5 (en) | 2002-08-30 | 2004-02-27 | Guebelin Ag | Whirlwind pocket watch for telling the time has pivot mounting with rotary bearing near outer radial boundary and toothing near outer radial boundary for driving pivot mounting |
| HU227321B1 (en) * | 2008-03-06 | 2011-03-28 | Aron Becsei | Tri-axial tourbillon for a timepiece, in particular a wrist watch |
| CN101446799B (en) * | 2009-01-09 | 2010-11-24 | 天津海鸥表业集团有限公司 | A tourbillon mechanical wristwatch with simultaneous rotation and revolution |
| CH705244B1 (en) * | 2011-07-07 | 2016-06-30 | Gfpi S A | Timepiece. |
| CN103412471B (en) * | 2013-08-13 | 2016-06-29 | 天津海鸥表业集团有限公司 | Three-axis tourbillon mechanism of mechanical watch |
-
2013
- 2013-08-13 CN CN201310351044.4A patent/CN103412471B/en active Active
-
2014
- 2014-02-24 DE DE112014000171.6T patent/DE112014000171B4/en active Active
- 2014-02-24 CH CH00637/15A patent/CH709098B1/en unknown
- 2014-02-24 WO PCT/CN2014/072439 patent/WO2015021765A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1276022A2 (en) * | 2001-07-12 | 2003-01-15 | Franck Muller-Watchland SA | Mechanical watch |
| WO2004077171A2 (en) * | 2003-02-27 | 2004-09-10 | Thomas Prescher | Timepiece |
| WO2005071498A1 (en) * | 2004-01-26 | 2005-08-04 | Gübelin AG | Tourbillon |
| CN1667527A (en) * | 2004-03-09 | 2005-09-14 | 弗兰克·米勒·瓦差兰股份有限公司 | Tri-axial tourbillon for a timepiece, in particular a wristwatch |
| CN101846961A (en) * | 2009-03-26 | 2010-09-29 | 天津海鸥表业集团有限公司 | Mechanical watch with two tourbillons |
| CN102809919A (en) * | 2011-05-30 | 2012-12-05 | 天津海鸥表业集团有限公司 | Double-axis tourbillon mechanism of mechanical watch |
| CN203444249U (en) * | 2013-08-13 | 2014-02-19 | 天津海鸥表业集团有限公司 | Three-axis tourbillon mechanism of mechanical watch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015021765A1 (en) * | 2013-08-13 | 2015-02-19 | 天津海鸥表业集团有限公司 | Triple-axis tourbillon mechanism of mechanical watch |
| CN110611168A (en) * | 2019-09-21 | 2019-12-24 | 孙凤山 | Multi-antenna calibration device for 5G communication |
| CN110611168B (en) * | 2019-09-21 | 2020-11-20 | 深圳市锦凌电子有限公司 | Multi-antenna calibration device for 5G communication |
| CN112305894A (en) * | 2020-10-28 | 2021-02-02 | 深圳市格雅表业有限公司 | Tourbillon in mechanical clock movement |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015021765A1 (en) | 2015-02-19 |
| DE112014000171B4 (en) | 2020-06-18 |
| DE112014000171T5 (en) | 2015-04-16 |
| CH709098B1 (en) | 2018-06-15 |
| CN103412471B (en) | 2016-06-29 |
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