CN1489815A - Appliance unit comprising a contact device for detachable connection to fixed conductor rails - Google Patents
Appliance unit comprising a contact device for detachable connection to fixed conductor rails Download PDFInfo
- Publication number
- CN1489815A CN1489815A CNA028044088A CN02804408A CN1489815A CN 1489815 A CN1489815 A CN 1489815A CN A028044088 A CNA028044088 A CN A028044088A CN 02804408 A CN02804408 A CN 02804408A CN 1489815 A CN1489815 A CN 1489815A
- Authority
- CN
- China
- Prior art keywords
- housing
- adaptation unit
- contact
- contact device
- wall
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/21—Bus-bar arrangements for rack-mounted devices with withdrawable units
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to an appliance unit (1) for a low voltage switchgear. Said unit comprises a box-type housing (2) and a contact device (4) which is used to detachably connect the appliance unit (1) to fixed conductor rails. Said housing (2) comprises walls (7, 8, 9) which are at right angles to each other and comprise a through-hole (20) for introducing the contact device (4). A contact housing (14) of the contact device (14) comprises projections (19) which are arranged in two parallel lines for support against coupling forces and release forces. A space corresponding to the thickness of the rear wall (8) of the housing (2) separate said projections. A holding bridge (23) holds the contact housing (14) on the remaining fourth side of the circumference and is used as a position securing element. A terminal box cover plate (25) for connection rails of the contact device (4) is fixed in the housing (2) of the appliance unit (1) by means of holding tongues (28).
Description
The present invention relates to a kind of adaptation unit that is used for the contact device that the conductor rail with fixed-site removably connects that has, this contact device comprises
A kind of osculating element, it has some and is used for the connector that described osculating element is electrically connected with the switching device that belongs to this adaptation unit, control device and protective device with the contact element of described conductor rail mating reaction with some,
A kind of have a plurality of contact housings that are used to hold osculating element by what insulating material was made, and
Edge transverse sheet on a plurality of peripheries that form in described contact housing is used to be bearing in a shell wall of described adaptation unit.
For example by the known a kind of adaptation unit of DE 3729454C3 with these features.Described contact housing has some edge transverse sheets on its periphery, they abut on the edge of opening of an adaptation unit support or housing.Through hole in the edge transverse sheet is used for contact device is fixed on the support or the housing of adaptation unit.According to the structure of adaptation unit, can assemble and be fixed in the described opening from the outside or from the inside with described contact device.So just cause, the active force that produces when breaking away from when being inserted into described contact device on the plate conductor rail or on the described contact device slave plate conductor rail all will transmit by the edge transverse sheet.And will be by the fixture transmission along the power of acting in opposition.
Therefore, technical problem to be solved by this invention is, simplify with described contact device be installed in the described adaptation unit work and by reduce mating force and tearaway load make described contact that housing bears try hard to keep hold less.
According to the above-mentioned technical problem of the present invention is to solve like this, promptly
-per two edge transverse sheets are set at least two relative sidewalls of described contact housing periphery with being spaced from each other spacing parallel to each other and; And
-these edge transverse sheets block the shell wall of described adaptation unit from both sides, make to be supported under the situation of the power that described contact device produces when overcoming when being inserted on the conductor rail and therefrom breaking away from.
Therefore, fixture is not the grafting and the tearaway load that must be used to bear or transmit described contact device, and only need be used for described contact device fixed-site at above-mentioned shell wall basically.
Press the described DE 3729454C3 of preface, the supporting arrangement of described contact device is made of a shell wall, and this shell wall has an opening that is used to insert the contact housing.Proposed within the scope of the invention supporting arrangement some other simplification contact device assembly work and improve its supporting design scheme.Especially can stipulate for this reason, described supporting arrangement comprises two supporting members with the relative parallel sided of contact housing periphery at least, one of them supporting member is one of housing of a described adaptation unit fixedly part, and wherein second supporting member is designed to the fixedly lapping plate that removably connects with housing.
In addition, the fixing supporting member that belongs to described adaptation unit housing can be designed as the wall of a through hole, this through hole has two sections, and the size that wherein enlarges first section of ground design is used for by the contact housing together with its edge transverse sheet, and second section size is complementary with the size that contacts housing.Thus, reach the three sides chucking contact housing of the shell wall of described adaptation unit at described contact housing periphery, and the 4th side that only stays and fixedly lapping plate mating reaction.
The expansion design of the invention described above is not only applicable to insertable adaptation unit and is applicable to the adaptation unit that can push.If described adaptation unit is provided with some contact devices that are used for input and output, the supporting member that then is used for two contact devices can be designed to identical or common.
Be particularly suitable for a kind of project organization of insertable adaptation unit, in this structure,
The housing of-described adaptation unit has a rear wall and a upper wall that vertically is bent into it,
-described through hole extends on this upper wall and rear wall, make first section of this through hole be in the upper wall and second section be in the rear wall, and
-fixedly the lapping plate that will be used to overlap described upper wall and rear wall is designed to horn shape.
May be enough although only be provided with the edge transverse sheet in two opposite flanks of described contact housing periphery, but still recommend, in all four sides parallel edge transverse sheet is set all.
Itself having multiple possibility, for example is that described contact housing is provided with parallel edge transverse sheet or manufacturing has the contact housing of some edge transverse sheets like this.If described edge transverse sheet constitutes the ring of a sealing on described contact housing periphery, be the most favourable for distributing equably in contacting housing with tearaway load so according to the expectation mating force.But in order to make easy as far as possible and economically, described contact housing is made plastics moulded body by an integral body as far as possible, and it is difficult to have the edge transverse sheet of sealing.Yet according to a favourable expansion design of the present invention, described edge transverse sheet is designed to be each other the projection of free unoccupied place arranged in succession on described contact housing, simultaneously, these projections are arranged to parallel edge transverse sheet with staggering each other, the corresponding characteristics that have of then this distributed architecture are, described projection can synchronously process in the plastic pressure injection mould as some features of contact housing, and they extend along stripping direction.Simplified the structure of transfer mould thus significantly.
Such as already mentioned, the part of the wall that is perpendicular to one another of the housing that a described supporting member can be an adaptation unit.This design can be replenished like this, that is, make described housing have the lower wall that another is bent into by equidirectional, and this lower wall surrounds a rectangular chamber of holding described contact device with an electrical equipment support plate.Also can provide contact protection thus for the binding post of described contact device; exactly; the terminal cover plate that the binding post that osculating element stretches out from the contact housing is made with insulating material is protected, and this terminal cover plate is fixed on described upper wall and the lower wall.A kind of like this terminal cover plate can be designed to approximate U-shaped within the scope of the invention and have two end leg sections, described end leg section is extended in the above and below of contact device, simultaneously, the described terminal cover plate interludes parallel with rear wall described adaptation unit (25) are provided with fixedly tongue, and they are inserted in the line of rabbet joint of described upper wall (7) and lower wall.
Elaborate the present invention by execution mode shown in the drawings below.In the accompanying drawing,
Fig. 1 with stereogram illustrate one have a contact device according to adaptation unit of the present invention, it is designed to insertable electrical equipment plug-in unit, therefrom can see some contact elements that rear side disposes,
Fig. 2 illustrates the another kind of execution mode of an adaptation unit, and it has one respectively as an electrical equipment insert and is used to power and a contact device that is used to export,
Fig. 3 and Fig. 4 illustrate a contact device according to adaptation unit shown in Fig. 1 or 2 with vertical view and profile IV-IV respectively,
Fig. 5 illustrates the front view according to adaptation unit shown in Figure 1,
Fig. 6 illustrates a housing according to adaptation unit shown in Figure 1, and it does not have attached electrical equipment support plate, takes the terminal cover plate that illustrates apart and have one.
That described contact device 4 is designed to three utmost points and correspondingly have three osculating elements 13.These osculating elements 12 are installed in the contact housing 14, and this contact housing is made with a kind of ambroin and had four chambers 15 that are used to hold described osculating element.Three such chambers 15 are equipped with described osculating element 13 in the illustrated embodiment, and a chamber 15 under remaining is empty.Described osculating element is the object that name is called a patent application of " being used for the contact device that the conductor rail of a movable adaptation unit and fixed-site removably connects ", has and the above-mentioned identical applying date of deemed withdrawal application.Therefore, described in this article contact device 4 relevant described osculating elements only illustrate to understanding the degree of wanting required for the present invention.Especially should also be mentioned that the binding post 17 that described osculating element 13 has the contact element 16 of the fork configuration that is aligned in the conductor rail 30 shown in Fig. 3,4 and 6 and faces chamber shape housing 2 inside for this reason.Described binding post 17 to be realized by the conductor of flexible cable or shaping with being connected according to known mode of electrical equipment 3, in order simplifying they to be omitted in the accompanying drawings.Described osculating element 12 be like this with contact housing 14 and be connected, that is, they are overcoming when being inserted on the described conductor rail and are being supported under the situation of the power that is produced when conductor rail is thrown off.
Described contact housing 14 is provided with edge transverse sheet 18 on four sidewalls of its periphery, as most clearly seeing from Fig. 3 and 4.It is essential that at this described edge transverse sheet 18 is made of the parallel projection 19 of two row, they are with a spacing setting that is equivalent to rear wall 8 thickness.Therefore this rear wall 8 constitutes a part of described supporting arrangement 5.Described upper wall 7 and rear wall 8 are provided with through hole 20, and this through hole has first section 21 and one back to back second sections 22 of being in the rear wall 8 that are in the upper wall 7.By determining the size of this through hole or its segmentation 21 and 22, guarantee that described contact device 4 can be inserted in the chamber shape housing 2, simultaneously, between the projection 19 that second section 22 following seamed edge of described through hole and lateral edges are installed in two edge transverse sheets 18.Therefore, three in 13 4 peripheral side wall of contact housing have been bearing on the chamber shape housing 2.Projection 19 on the 4th (top) peripheral side wall of remainder by horn shape fixedly lapping plate 23 clamp, this fixedly lapping plate 23 are one other component of described supporting arrangement.Should be fixedly the end plate 24 that extends laterally of lapping plate 23 be used for fixing on described rear wall 8.
In order to represent to know the layout and the size of through hole 20 and each section 21 and 22, contact device 4 the right disconnect expression in Fig. 1.
As Fig. 3 and 4 in detail the expression, the setting of staggering mutually of the projection 19 of described edge transverse sheet 18, and also not overlapping mutually.This is for transmitting active force between described contact device and the chamber shape housing 2 without any influence, but highly beneficial to the manufacturing that contacts housing 14.That is to say that being in staggered distribution of projection 19 allows projection to be included in two branch moulds of plastic pressure injection (injection moulding) usefulness, so although many modelling features are arranged, but still can make described contact housing 14 economically.
Such as already mentioned, the inner chamber of described chamber shape housing is used to hold described contact device 4 and the cable or the formed conductor that are attached thereto.As the measure of the reliability that is used to improve anti-fault electric arc (arc fault), described adaptation unit 1 comprises a terminal cover plate 25, and this terminal cover plate 25 has been shown specifically at Fig. 5 and 6.The end leg section 27 that this terminal cover plate 25 is bent into approximate U-shaped and has an interlude 26 and stretch out from this interlude.End at this interlude 26 is provided with the fixedly tongue 28 that is in its plane, and they are inserted in the line of rabbet joint 29 attached in the upper wall 7 of described chamber shape housing 2 and the lower wall 9.Especially as shown in Figure 6, the spacing between the described end leg section 27 is corresponding to the upper wall 7 of housing 2 and the spacing between the lower wall 9.The length of described end leg section 27 will be designed to, and can surround or cover described binding post 17 and the described part that is arranged in housing 2 inner chambers that contacts housing 14.
A kind of electric insulation plastics of described terminal cover plate 25 usefulness are made and can preferably be made with sheet material, and described sheet material can be processed by bending or crimp (that is need not heat).Although the whole height of terminal cover plate 25 surpasses the upper wall 7 of housing 2 and the spacing between the lower wall 9, be based on the flexibility of plastics, described fixedly tongue 28 also can be snapped in the line of rabbet joint 29.
Above-mentioned contact device 4 is characterised in that its assembly can be made easily and can be assembled easily.At this, being connected between the housing 2 of setting up described adaptation unit 1 and the whole periphery of described contact device 4.Wherein, described fixedly lapping plate 23 mainly has the function to the contact device location, because it only fixes one in 14 4 peripheral side wall of contact housing.By the structure of described supporting arrangement 5, do not need instrument just can fix described terminal cover plate 25 reliably.
Another execution mode according to adaptation unit shown in Figure 2 31 is consistent with top explanation on all important concrete features.In this execution mode, relate to a kind of electrical equipment plug-in unit, it be provided with one be used for the conductor rail of power supply (corresponding to Fig. 3,4 with 6 conductor rail 30) contact device 32 that is connected and another be used for the contact device 33 of the output of adaptation unit 31.Described contact device 32 is provided with abreast with 33 and is same consistent with the contact device 4 that elaborates above on all important concrete features, and difference is that each utmost point is respectively equipped with three contact elements 16, to improve current capacity.In addition, the contact housing 14 that can select to have the contact device 33 of described osculating element 13 is configured to and described contact device 32 mirror image symmetries, that is sky is reserved right chamber 15 rather than left chamber 15 (seeing Fig. 4 and 6).
Described adaptation unit 31 has the corresponding supporting arrangement 34 of its function and supporting arrangement shown in Figure 15.To this, described supporting arrangement 34 comprises a rear wall 35 that belongs to adaptation unit 31, and it is complementary with the described housing 14 and edge transverse sheet 18 or projection 19 thereof of contacting.In addition, belong to the fixedly lapping plate 36 of the fixedly lapping plate 23 that has illustrated above being similar in addition of described supporting arrangement 34, but it designs longly so that block two contact devices 32 and 33 jointly.Some retaining elements 37 fixedly shaped as frame housing 38 of lapping plate and described adaptation unit 31 couple together.
The adaptation unit 1 the same expression wiring that adaptation unit 31 shown in Figure 2 is extremely shown in Figure 6 as Fig. 1 and Fig. 3.But only should mention in order to understand; switching device, protective device and control device 3 are installed on the support plate 39 in described housing 38 in known manner; their input is connected with the binding post 17 of described contact device 32, and their output is connected with respective terminal 17 of described contact device 33.Appreciable space between described support plate 39 and contact device 32 and 33 is used to hold needed cable and lead in Fig. 2.
List of numerals
1. adaptation unit
2. the housing of adaptation unit 1
3. switching device, control device and protective device
4. contact device
5. supporting arrangement
6. electrical equipment support plate
7. upper wall
8. rear wall
9. lower wall
10. support connecting plate
11. the lug of electrical equipment support plate
12. the line of rabbet joint in the lower wall 9
13. osculating element
14. contact housing
15. the chamber in the contact housing 14
16. contact element
17. splicing ear
18. contact housing 14 top edge transverse sheets
19. projection (edge transverse sheet 18 a section)
20. the through hole in the housing 2
21. the through hole section in upper wall 7
22. the through hole section in lower wall 8
23. fixing lapping plate
24. the fixing terminal connecting plate of lapping plate 23
25. terminal cover plate
26. the interlude of terminal cover plate 25
27. the end leg section of terminal cover plate 25
28. the fixedly tongue of terminal cover plate 25
29. the line of rabbet joint in the lower wall 9
30. conductor rail
31. adaptation unit (another embodiment sees Fig. 2)
32. contact device (input is seen Fig. 2)
33. contact device (output is seen Fig. 2)
34. supporting arrangement (see figure 2)
35. the rear wall (see figure 2) of housing 38
36. fixing lapping plate (see figure 2)
37. be used for fixing the fixture of lapping plate 36
38. the housing of adaptation unit 31
39. the support plate in the housing 38
Claims (9)
1. adaptation unit (1; 31), it comprises the contact device (4 that a conductor rail that is used for fixed-site removably connects; 32,33), this contact device comprises
-osculating element (13), it has some and is used for the connector that this osculating element (13) is electrically connected with the switching device that belongs to this adaptation unit (1), control device and protective device (3) with the contact element (16) of described conductor rail (30) mating reaction and some,
-a kind ofly have a plurality of contact housings (14) that are used to hold described osculating element (13) by what insulating material was made, and
Edge transverse sheet (18) on a plurality of peripheries that form in described contact housing (14) is used to be bearing in described adaptation unit (1; 32,33) a supporting arrangement (5; 32) on.
It is characterized by:
-at least two relative sidewalls of described contact housing (14) periphery, per two edge transverse sheets (18) are set parallel to each other and with being spaced from each other spacing; And
-these edge transverse sheets (18) are clamped described supporting arrangement (5 from both sides; 32), make described contact device (4; 32; 33) under overcoming the situation that is inserted to conductor rail (30) power of generation when going up and when therefrom breaking away from, be supported.
2. according to the described adaptation unit of claim 1, it is characterized by: described supporting arrangement (5; 32) comprise two supporting members with the relative parallel sided of contact housing periphery at least, one of them supporting member is described adaptation unit (1; 31) housing (2; 38) one fixing part, and wherein second supporting member is designed to and housing (2; 38) the fixedly lapping plate (23 that removably connects; 36).
3. according to the described adaptation unit of claim 2, it is characterized by: the fixing supporting member that belongs to described adaptation unit (1) housing (2) can be designed as the wall of a through hole (20), this through hole (20) has two sections, the size that wherein enlarges ground design first section (21) is used for by described contact housing (13) together with its edge transverse sheet (18), and the size of the contact housing (14) between the size of second section (22) and the parallel edge transverse sheet (18) is complementary.
4. according to the described adaptation unit of claim 3, it is characterized by:
The housing (2) of-described adaptation unit (1) has a rear wall (8) and a upper wall that vertically is bent into it (7),
-described through hole (20) is gone up at this upper wall (7) and rear wall (8) and is extended, and makes first section (21) of this through hole (20) be in the upper wall (7) and second section (22) are in the rear wall (8), and
-fixedly the lapping plate (23) that is used to overlap described upper wall (7) and rear wall (8) is designed to horn shape.
5. according to the described adaptation unit of above-mentioned each claim, it is characterized by: all four sides at described contact housing (14) periphery are equipped with parallel edge transverse sheet (18).
6. according to the described adaptation unit of claim 5, it is characterized by: described edge transverse sheet (18) is designed to be each other the projection (19) of free unoccupied place arranged in succession on described contact housing (14); Simultaneously, these projections (19) are arranged to parallel edge transverse sheet (18) with staggering each other.
7. according to the described adaptation unit of claim 4, it is characterized by: described.The housing (2) of adaptation unit (1) has another lower wall that is bent into by equidirectional (9), and this lower wall (9) surrounds a rectangular chamber of holding described contact device (4) with an electrical equipment support plate (6).
8. according to the described adaptation unit of claim 6; it is characterized by: the binding post (17) that stretches out from contact housing (14) of described osculating element (13) is hidden by a terminal cover plate (25) of being made by insulating material and is protected, and this terminal cover plate is fixed on described upper wall (7) and the lower wall (9).
9. according to the described adaptation unit of claim 8, it is characterized by: described terminal cover plate (25) is designed to approximate U-shaped and has two end leg sections (27), and described end leg section (27) is extended in the above and below of contact device (4); And the interlude (26) parallel with rear wall described adaptation unit (1) (8) described terminal cover plate (25) is provided with fixedly tongue (28), and they are inserted in the line of rabbet joint (29) of described upper wall (7) and lower wall (9).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10106271.0 | 2001-02-01 | ||
| DE10106271A DE10106271A1 (en) | 2001-02-01 | 2001-02-01 | Contact device for the detachable connection of a movable device unit with fixed contact bodies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1489815A true CN1489815A (en) | 2004-04-14 |
| CN1242524C CN1242524C (en) | 2006-02-15 |
Family
ID=7673643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028044088A Expired - Fee Related CN1242524C (en) | 2001-02-01 | 2002-01-30 | Appliance unit comprising a contact device for detachable connection to fixed conductor rails |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1356559A1 (en) |
| CN (1) | CN1242524C (en) |
| DE (2) | DE10106271A1 (en) |
| PL (1) | PL198933B1 (en) |
| RU (1) | RU2282922C2 (en) |
| UA (1) | UA76441C2 (en) |
| WO (1) | WO2002061902A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170475U1 (en) * | 2016-11-07 | 2017-04-26 | Закрытое акционерное общество "ВОЛМАГ" | CONTACT DEVICE FOR REMOVABLE CONNECTION OF MOBILE INSTRUMENT UNIT WITH FIXED CONTACT BODIES |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729454C3 (en) * | 1987-09-03 | 1996-08-01 | Ritter Starkstrom Gmbh & Co | Contact element for the power connection of a control cabinet insert of a low-voltage switchgear |
| DE3731625A1 (en) * | 1987-09-19 | 1989-03-30 | Asea Brown Boveri | Contact piece formed from flat material |
| DE29505257U1 (en) * | 1995-03-28 | 1995-07-06 | Klöckner-Moeller GmbH, 53115 Bonn | Load current plug of a low-voltage switchgear |
-
2001
- 2001-02-01 DE DE10106271A patent/DE10106271A1/en not_active Withdrawn
-
2002
- 2002-01-30 CN CNB028044088A patent/CN1242524C/en not_active Expired - Fee Related
- 2002-01-30 DE DE10290324T patent/DE10290324D2/en not_active Withdrawn - After Issue
- 2002-01-30 WO PCT/DE2002/000378 patent/WO2002061902A1/en not_active Application Discontinuation
- 2002-01-30 UA UA2003077242A patent/UA76441C2/en unknown
- 2002-01-30 PL PL374151A patent/PL198933B1/en not_active IP Right Cessation
- 2002-01-30 RU RU2003126489/09A patent/RU2282922C2/en active
- 2002-01-30 EP EP02708196A patent/EP1356559A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1356559A1 (en) | 2003-10-29 |
| UA76441C2 (en) | 2006-08-15 |
| PL198933B1 (en) | 2008-08-29 |
| WO2002061902A1 (en) | 2002-08-08 |
| CN1242524C (en) | 2006-02-15 |
| DE10290324D2 (en) | 2004-04-15 |
| RU2282922C2 (en) | 2006-08-27 |
| RU2003126489A (en) | 2005-03-10 |
| DE10106271A1 (en) | 2002-10-02 |
| PL374151A1 (en) | 2005-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060215 Termination date: 20100130 |