CN102754177B - For the holding device of electromagentic switching apparatus - Google Patents
For the holding device of electromagentic switching apparatus Download PDFInfo
- Publication number
- CN102754177B CN102754177B CN201080063232.1A CN201080063232A CN102754177B CN 102754177 B CN102754177 B CN 102754177B CN 201080063232 A CN201080063232 A CN 201080063232A CN 102754177 B CN102754177 B CN 102754177B
- Authority
- CN
- China
- Prior art keywords
- supporting leg
- end part
- holding device
- framework
- compressible material
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/20—Bridging contacts
- H01H1/2008—Facilitate mounting or replacing contact bridge and pressure spring on carrier
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Micromachines (AREA)
- Push-Button Switches (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The present invention relates to a kind of holding device remained on by contact component in electromagentic switching apparatus, this holding device comprises: the framework (23) with the circumferential closure of first end part (29) and the second end part (31); The compressible material (47) in framework is arranged at first end part (29) place of framework (23); And wherein, contact component (3) is movably received between compressible material (47) and the second end part (31), the second end part (31) and the first end part (29) of framework (23) are oppositely arranged.
Description
Technical field
The present invention relates to the holding device for being remained on by contact component in electromagentic switching apparatus.
Background technology
Electromagentic switching apparatus is generally used for the flow of electric current in control circuit.Electromagentic switching apparatus is controllable, to switch between the open and close state of closed and disconnected power circuit.Can manually or Electronic control electromagentic switching apparatus.In order to Electronic control electromagentic switching apparatus, magnet can be used to drive moveable contact component, for disconnecting and closed electrical source circuit.
Usually, moveable contact component moves to and engages with fixed contact part, so that closed electrical source circuit.Fixed contact part is electrically connected to power supply.Therefore, when moveable contact component engages with fixed contact part, closed electrical source circuit.
Summary of the invention
An object of the embodiment of the present invention is to use dissimilar compressible material, for applying bias voltage to the contact component of (biasing) electromagentic switching apparatus.
By realizing above object at holding device according to claim 1, this holding device is used for contact component to remain in electromagentic switching apparatus.
The framework circumferential closure of holding device, therefore, framework is all close in every side.At the first end part place of framework, compressible material can be arranged in framework, so framework is around compressible material.The surface of first end part can be roughly planar, and compressible material is arranged on a surface, and therefore, the compressible material of various sizes and type can be arranged on the first end part of framework.Contact component is removably contained between compressible material and the second end part.The second end part and first end part are oppositely arranged.Compressible material applies biasing force on contact component.Therefore, by replacing compressible material according to biasing force required on contact component, the electromagentic switching apparatus comprising holding device can be suitable for the power supply controlling broad spectrum.
According to another embodiment, framework is made up of from one piece.Framework is made up of from one piece, that is, use from one piece to manufacture framework.Therefore, framework comprises an only part, and owing to not dismantling or removing any part of framework, so this framework has the advantage of easily dismounting contact component 3.In addition, use from one piece to form framework and easily can manufacture framework.
According to another embodiment, framework is included in the first supporting leg and second supporting leg of the both sides of compressible material, and wherein the first supporting leg and the second supporting leg are connected to first end part and the second end part.Such as, the first supporting leg can be positioned at side, and the second supporting leg can be positioned at the opposite side of compressible material.
According to another embodiment, the first supporting leg is parallel with the second supporting leg.On the one hand, the first supporting leg and the second supporting leg can be parallel to each other, and advantageously, the first supporting leg and the second supporting leg can be connected to first end part and the second end part, thus form rectangular cross section.Therefore, the first end part connected by supporting leg and the second end part form the framework of circumferential closure.
According to another embodiment, first end part by by the first bending Part I of extending from the first supporting leg with formed by the second bending Part II extended from the second supporting leg, wherein Part I and Part II overlapping.First supporting leg is flexible, thus is bent to form Part I by first, and the second supporting leg is flexible, thus is bent to form Part II by second.Advantageously, first bending and the second bending configuration like this make thus Part I and Part II substantially vertical with the first supporting leg and the second supporting leg substantially vertical.
According to another embodiment, framework comprises by the 3rd bending Part III extended from Part I further, wherein the partly overlapping of Part III and the second supporting leg.On the one hand, by bending Part I in the 3rd knee, thus form Part III.Part III is overlapping with the second supporting leg, thus provides extra rigidity to first end part.
According to another embodiment, wherein, the second end part is made up of the lateral part connecting the first supporting leg and the second supporting leg.Such as, lateral part can be the U-shaped cross-section parts connecting parallel supporting leg.
According to another embodiment, the second end part comprises ridge further, and this ridge extends internally, thus supports contact component.When contact component is positioned at framework, ridge supports contact component.
According to another embodiment, compressible material is selected from the group of spring and elastomer formation.On the one hand, the spring of various sizes and shape can be arranged on first end part.On the other hand, the elastomer of various sizes can be arranged on first end part.Therefore, the spring of various sizes and shape, elastomer or any elastomeric material can be arranged on first end part.
Another embodiment comprises carrier, this carrier can be handled for disconnecting and the power circuit in closed electromagnetic switching device, comprise the holding device for keeping in touch parts, carrier comprises the socket holding holding device movably and the shoulder be formed on socket, thus act on compressible material, and wherein, described framework can overcome the effect movement of described compressible material for dismounting contact component.When replacing contact component, from holding device, easily can dismantle contact component.
Another embodiment comprises electromagentic switching apparatus, and this device comprises the holding device for keeping in touch parts.
Accompanying drawing explanation
Hereinafter, referring to the embodiment shown in accompanying drawing, further describe embodiments of the invention, wherein:
Fig. 1 a is the carrier of the electromagentic switching apparatus according to an embodiment herein;
Fig. 1 b is the assembling of electromagnetic system and the carrier 1 according to Fig. 1 a of an embodiment herein;
Fig. 2 a is the detail drawing of the holding device according to an embodiment herein;
Fig. 2 b is according to the end view of an embodiment along the holding device 21 of the visible Fig. 2 a of direction X;
Fig. 3 is the holding device keeping in touch parts according to an embodiment herein; And
Fig. 4 is the cutaway view of the holding device 1 of Fig. 1 a along planar I-I.
Embodiment
Describe various embodiment referring to accompanying drawing, wherein, in whole specification, similar reference number is for representing similar parts.In the following description, for illustrative purposes, propose multiple detail, thus understand one or more embodiment up hill and dale.Obviously, when there is no these details, also these embodiments can be put into practice.
Referring to Fig. 1 a, set forth the carrier 1 of the electromagentic switching apparatus according to an embodiment herein.Contact component 3 to be supported in carrier and to be movable to circuit closed position from circuit open position, and wherein, contact component 3 moves to fixed contact part and contacts with described fixed contact part, to enter circuit closed position.Fixed contact part can be connected to input power.
Fig. 1 b is the assembling of electromagnetic system and Fig. 1 a carrier 1 according to an embodiment herein.In example shown in Figure 1b, carrier 1 comprises the cylinder 7 extended vertically upward.Electromagnetic system 8 is supported on cylinder 7 so that mobile carrier.In this embodiment, the electromagnetic system 8 illustrated in figure comprises solenoid armature 9,13.But available another kind of method design electromagnetic system 8, comprises less or more solenoid armature.Usually, solenoid armature 9,13 is suitable for activating carrier 1.Solenoid armature 9 engages cylinder 7 by parts 11, thus carrier 1 is transferred in armature 9 motion.Contact component 3 is moved to circuit closed position by carrier 1 further.In example shown in Figure 1b, solenoid armature 9 is by parts 11 and cylinder mechanical engagement.But solenoid armature 9 can use other known mechanical device to engage with cylinder 7.Another solenoid armature 13 comprising coil 17 is also supported on cylinder 7.In example shown in Figure 1b, two coils 17 are illustrated.But in some embodiments, magnetic anchor can comprise an only coil 17.By the electric current that power supply supplies, be energized to coil 17.When coil 17 is energized, solenoid armature 9 is attracted to solenoid armature 13.This motion of armature 9 is transferred in carrier 1 and contact component 3, for carrying out closing of circuit motion.But in other embodiments, carrier 1 can comprise the cylinder extended vertically downward, solenoid armature 9 and solenoid armature 13 can be supported on cylinder.
Contact component 3 is supported in the socket 19 that extends from the bottom of carrier 1.Socket 19 holds holding device 21, for keeping in touch parts 3, so holding device 21 is removable in socket 19.
Fig. 2 a is the detail drawing of the holding device 21 according to an embodiment herein.Holding device 21 comprises framework 23, is included in the first supporting leg 25 and the second supporting leg 27, first end part 29 and the second end part 31 of contrary both sides.In embodiment in fig. 2, advantageously, the first supporting leg 25 and the second supporting leg 27 parallel to each other, and be connected to first end part 29 and the second end part 31.In the alternative embodiment, the first supporting leg 25 and the second supporting leg 27 can be connected to first end part 29 and the second end part 31, so the first supporting leg 25 and the second supporting leg 27 each other can be not parallel.
Advantageously, from one piece is used can to form framework 23.Such as, from one piece is used to form the framework 23 of circumferential closure.Therefore, framework comprises an only part, and owing to not dismantling or removing any part of framework, so this framework has the advantage of easily dismounting contact component 3.Such as, from one piece is flexible, thus forms the first supporting leg 25 and the second supporting leg 27 and first end part 29 and the second end part 31.In one embodiment, framework 23 can comprise rectangular section.Use from one piece to form framework 23, can easily manufacture framework 23.In one embodiment, the second end part 31 can be formed as the lateral part 33 of connection first supporting leg 25 and the second supporting leg 27.Such as, lateral part 33 can comprise U-shaped section.In one embodiment, by overlapping Part I 35 and Part II 37, first end part 29 can be formed.Part I 35 extends from the first supporting leg 25 by first bending 41, and Part II extends from the second supporting leg 27 by second bending 43.Advantageously, bending 41,43 configurations thus Part I 35 and Part II 37 are substantially vertical with the first supporting leg 25 and the second supporting leg 27 respectively like this.
In one embodiment, a part 35,37 can comprise by the 3rd bending Part III extended, thus overlapping with other leg portion.Such as, Part III 39 extends from Part I 35 by the 3rd bending 45, and partly overlaps with the second supporting leg 27.Such as, the 3rd bending 45 can configure like this, thus Part III is substantially vertical with Part I 35.The Part III 39 overlapping with the second supporting leg 27 provides extra rigidity for first end part 29.In the alternative embodiment, the lateral part of connection leg 25,27 can form first end part 29, can form the second end part 31 by the bending lap extended from the first supporting leg 25 and the second supporting leg.
In yet another embodiment, the lateral part of connection leg 25,27 can form first end part 29 and the second end part 31.But if first end part 29 and the second end part 31 are lateral part, so the end of the framework 23 of circumferential closure can connect at any one supporting leg 25,27 place.Such as, the end of framework 23 can connect by overlapping each other at any one supporting leg 25,27 place.
In one embodiment, at first end part 29 place, compressible material 47 is arranged on the inside of framework 23.Advantageously, the surface of first end part 29 is roughly planar, and compressible material 47 is arranged on a surface.In one embodiment, the flat surface of first end part 29 can be general planar or flat, and compressible material 47 is arranged on a surface.In another embodiment, the flat surface of first end part 29 can be wavy or uneven, and compressible material 47 is arranged on a surface.Such as, can bellows-shaped be designed, thus firmly grasp compressible material 47 in addition.
The compressible material of different size can be arranged on first end part 29 by flat surface.In one embodiment, compressible material 47 can be spring, such as helical spring.Surface due to first end part 29 is roughly planar, so the helical spring be made up of the line of different-thickness can be arranged on the inside of framework 23.The flat surface of first end part 29 can hold the spring of the line formation of different-thickness.In a second embodiment, compressible material 47 can be elastomer or has other material flexible.Therefore, different types of compressible material with different-thickness can be arranged in the framework 23 of holding device 21 by the first end part 29 of roughly planar.
Because the compressible material of different size can be arranged on first end part 29, so by replacing compressible material, electromagnetic switch can be configured to the power supply for controlling broad range.Compressible material can be replaced, thus the contact that increase or reduction are applied on contact component 3.Such as, the compressible material that can apply higher biased power increases the contact be applied on contact component 5.Therefore, the requirement for different biasing forces can use different compressible material, can change this pressure, and wherein contact component 5 engages with fixed contact part at this pressure.
Fig. 2 b is according to the end view of an embodiment along the holding device 21 of the visible Fig. 2 a of direction X.Framework 23 comprises the ridge 49 extended internally from the second end part 31 of framework 23.When contact component 3 is positioned at framework 23 inside, ridge 49 supports the contact component 3 of Fig. 2 a.
Fig. 3 keeps the holding device 21 according to the contact component 3 of an embodiment.Contact component 3 is movably received between the second end part 31 of the framework 23 of compressible material 47 and holding device 21.Contact component 3 is contained between the second end part 31 of compressible material 47 and framework 23.Contact component 3 applies biasing force by compressible material 47, and therefore, contact component 3 is contained between the second end part 31 of compressible material 47 and framework 23.The ridge 49 of Fig. 2 b engages with contact component 3, thus at framework 23 inner support contact component 3.Advantageously, ridge 49 supports contact component 3 pivotly.
Fig. 4 is the profile of the holding device 1 of Fig. 1 a along planar I-I.Holding device 21 is movably received within socket 19.Socket 19 comprises a pair shoulder 51,53, to provide reverse support for compressible material 47.Because shoulder 51,53 suppresses compressible material 47, so the effect that the framework 23 of holding device 21 can overcome compressible material 47 is moved.This just can dismantle contact component 3 easily from socket 19.And, from socket 19, dismantle any part that contact component 3 does not need to dismantle carrier 1 or holding device 21.In addition, from socket 19, dismantle contact component 3 not need to use any instrument.
Such as, when the bottom of holding device 11 applies power, shoulder 51,53 suppresses compressible material 47, and the effect that holding device 21 overcomes compressible material 47 is moved.Therefore, easily contact component 3 can be dismantled from socket 19.And, from socket 19, dismantle contact component 3 without any need for instrument.This just can dismantle contact component 3 easily.
Embodiment described herein can use different types of compressible material, applies bias voltage for giving the contact component of electromagentic switching apparatus.And, can not the compressible material of size also can be arranged in the framework of holding device.In addition, by replacing compressible material according to biasing force required on contact component, electromagentic switching apparatus is applicable to control range power supply widely.Use suitable compressible material, required biasing force can be obtained.Therefore, the biasing force be applied on contact component can be changed, thus change the contact of contact component according to the rated power for electromagentic switching apparatus.And, use from one piece to form framework, easily can manufacture framework.In addition, without any need for special instrument, from the socket of carrier, easily contact component can be dismantled.This contributes to replacing contact component simply.
The while of describing in detail of the present invention referring to some preferred embodiment, it should be understood that and the invention is not restricted to those specific embodiments.Or rather, the publication describe and put into practice existing best mode of the present invention, according to the disclosure, when not deviating from scope and spirit of the present invention, the technical staff in this field carries out multiple modifications and variations.Therefore, scope of the present invention is represented by following claims, but not is represented by foregoing description.The all changes occurred in the equivalent meaning and scope of claims, modifications and changes should be considered as within the scope of it.
Claims (17)
1. one kind for remaining on the holding device (21) in electromagentic switching apparatus by contact component (3), and this holding device (21) comprising:
The framework (23) of circumferential closure, has first end part (29) and the second end part (31),
Compressible material (47), is arranged in framework at the first end part place of described framework (23), and,
Wherein, described contact component (3) is removably contained between compressible material (47) and the second end part (31), and the second end part (31) of described framework (23) and first end part (29) are oppositely arranged, and the surface being provided with the first end part of described compressible material is thereon plane
Described framework comprises the ridge (49) extended internally from the second end part of described framework.
2. holding device according to claim 1, wherein, described framework (23) is made up of from one piece.
3. the holding device according to any one of claim 1 to 2, wherein, described framework (23) is included in the first supporting leg (25) and second supporting leg (27) of the both sides of described compressible material (47), and wherein said first supporting leg (25) and described second supporting leg (27) are connected to described first end part (29) and described the second end part (31).
4. holding device according to claim 3, wherein, described first supporting leg (25) is parallel with described second supporting leg (27).
5. holding device according to claim 3, wherein, described first end part (29) is formed by the Part I (35) extended from the first supporting leg (25) by first bending (41) with by the Part II (37) that second bending (43) extend from the second supporting leg (27), wherein Part I (35) and Part II (37) overlap.
6. holding device according to claim 4, wherein, described first end part (29) is formed by the Part I (35) extended from the first supporting leg (25) by first bending (41) with by the Part II (37) that second bending (43) extend from the second supporting leg (27), wherein Part I (35) and Part II (37) overlap.
7. holding device according to claim 6, wherein, described framework comprises the Part III (39) extended from described Part I (35) by the 3rd bending (45) further, and wherein said Part III (39) partly overlaps with the second supporting leg (27).
8. holding device according to claim 3, wherein, described the second end part (31) is made up of the lateral part (33) connecting described first supporting leg (25) and described second supporting leg (27).
9. holding device according to claim 7, wherein, described the second end part (31) is made up of the lateral part (33) connecting described first supporting leg (25) and described second supporting leg (27).
10. holding device according to claim 3, wherein, described ridge supports described contact component (3).
11. holding devices according to claim 9, wherein, described ridge supports described contact component (3).
12. holding devices according to any one of claim 1 to 2, wherein, described compressible material (47) is elastomer.
13. holding devices according to claim 11, wherein, described compressible material (47) is elastomer.
14. holding devices according to claim 12, wherein, described compressible material (47) is spring.
15. holding devices according to claim 13, wherein, described compressible material (47) is spring.
16. 1 kinds of carriers (1), the power circuit for disconnecting or in closed electromagnetic switching device can be handled, comprise the holding device (21) according to any one of claim 1 to 15 for keeping in touch parts (3), described carrier (1) comprising:
Socket (19), holds described holding device (21) movably,
Shoulder (51,53), is formed on described socket (19), thus acts on compressible material (47), and
Wherein, described framework (23) can overcome the effect movement of described compressible material (47) for the described contact component of dismounting (3).
17. electromagentic switching apparatus, comprise the holding device (21) according to any one of claim 1 to 15 for keeping in touch parts (3).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2010/051430 WO2011095219A1 (en) | 2010-02-05 | 2010-02-05 | Holder for an electromagnetic switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102754177A CN102754177A (en) | 2012-10-24 |
| CN102754177B true CN102754177B (en) | 2015-09-30 |
Family
ID=42830695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080063232.1A Expired - Fee Related CN102754177B (en) | 2010-02-05 | 2010-02-05 | For the holding device of electromagentic switching apparatus |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2513940B1 (en) |
| KR (1) | KR101565291B1 (en) |
| CN (1) | CN102754177B (en) |
| BR (1) | BR112012019683B1 (en) |
| WO (1) | WO2011095219A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112014014047A2 (en) * | 2011-12-14 | 2017-06-13 | Siemens Ag | electric switch adapted to facilitate contact replacement |
| DE102014219911A1 (en) * | 2014-10-01 | 2016-04-07 | Siemens Aktiengesellschaft | Contact arrangement for an electromechanical switching device |
| WO2019180934A1 (en) * | 2018-03-23 | 2019-09-26 | 三菱電機株式会社 | Contact switch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1322323A (en) * | 1962-02-16 | 1963-03-29 | Cem Comp Electro Mec | Improvement in mobile contacts for contactors or other similar devices |
| DE4322935A1 (en) * | 1993-07-09 | 1995-01-19 | Kloeckner Moeller Gmbh | Contact system for an electromagnetic switching device having a quick-action release |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05128956A (en) * | 1991-11-05 | 1993-05-25 | Mitsubishi Electric Corp | Movable contactor supporting system |
| JP3449121B2 (en) * | 1996-07-22 | 2003-09-22 | 富士電機株式会社 | Electromagnetic contactor |
| SE516457C2 (en) * | 1999-01-28 | 2002-01-15 | Asea Brown Boveri | Switch in contactor |
| US20030184075A1 (en) * | 2002-03-27 | 2003-10-02 | Freeman Richard B. | Frame member having overlapping reinforcement sections |
| JP2004127812A (en) | 2002-10-04 | 2004-04-22 | Fuji Electric Holdings Co Ltd | Electromagnetic contactor |
-
2010
- 2010-02-05 CN CN201080063232.1A patent/CN102754177B/en not_active Expired - Fee Related
- 2010-02-05 BR BR112012019683-9A patent/BR112012019683B1/en not_active IP Right Cessation
- 2010-02-05 EP EP10706565.8A patent/EP2513940B1/en not_active Not-in-force
- 2010-02-05 WO PCT/EP2010/051430 patent/WO2011095219A1/en active Application Filing
- 2010-02-05 KR KR1020127023249A patent/KR101565291B1/en active IP Right Grant
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1322323A (en) * | 1962-02-16 | 1963-03-29 | Cem Comp Electro Mec | Improvement in mobile contacts for contactors or other similar devices |
| DE4322935A1 (en) * | 1993-07-09 | 1995-01-19 | Kloeckner Moeller Gmbh | Contact system for an electromagnetic switching device having a quick-action release |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120123544A (en) | 2012-11-08 |
| CN102754177A (en) | 2012-10-24 |
| BR112012019683B1 (en) | 2019-07-02 |
| EP2513940A1 (en) | 2012-10-24 |
| WO2011095219A1 (en) | 2011-08-11 |
| KR101565291B1 (en) | 2015-11-04 |
| EP2513940B1 (en) | 2017-09-06 |
| BR112012019683A2 (en) | 2016-05-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20210205 |