CN200959506Y - Bus-slot connector - Google Patents
Bus-slot connector Download PDFInfo
- Publication number
- CN200959506Y CN200959506Y CN 200620057219 CN200620057219U CN200959506Y CN 200959506 Y CN200959506 Y CN 200959506Y CN 200620057219 CN200620057219 CN 200620057219 CN 200620057219 U CN200620057219 U CN 200620057219U CN 200959506 Y CN200959506 Y CN 200959506Y
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- CN
- China
- Prior art keywords
- bus duct
- jockey
- side plate
- pair
- cover plate
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- 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
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Abstract
The utility model discloses a connection device for bus bar groove used to connect the connection part of the two bus bar grooves corresponding to the electric connection in a sealing manner, the bus bar groove connection device comprises of the a pair of connection cover board and a pair of connection side board, the pair of connection cover board and the pair of connection side board are symmetrically arranged on the four side surfaces corresponding to the bus bar groove, and surrounds the connection part of the two bus bar grooves in a sealing manner, a buckle groove is formed by two ends of the connection side board depressed inwards separately, at least one buckle hook component is arranged separately in the buckle groove, one end of the buckle hook component is arranged in the buckle groove in a sliding manner, the other end of the buckle hook extends towards the side surface of the bus bar groove with the connection side board arranged thereon and forms a fixation end used to arranged the connection side board on relative bus bar groove in a fixed manner.
Description
Technical field
The utility model is about a kind of power supply unit, particularly about the jockey between a kind of bus duct device that transmits electric power.
Background technology
Develop rapidly along with the city, skyscraper is more and more, the building power load sharply increases thereupon, and original electric wire is because its capacity is little, branch is inconvenient, be not easy to reason such as boundling management, and is progressively big by capacity, branch convenient, boundling manages easily that bus duct replaces.
But bus duct also exists some shortcomings, such as, if insulation of the jockey between the bus duct and sealing effectiveness are bad, will bring the electric leakage accident, cause casualties or breaking out of fire accident.Therefore, industry is at can effectively the be tightly connected device of adjacent bus duct of continuous research and development.
A kind of bus duct plug-in type active joint that is disclosed for No. 95207020 as Chinese patent, it is by side plate, insulating barrier, electric-conductor, insulating case, the high strength insulated bolt, disk spring, pressing plate, clamp nut, connecting screw rod, insulating sleeve, dog screw and handle are formed, wherein, biside plate central authorities have the high strength insulated bolt, have row's electric-conductor on the bolt, be separated by by insulating case between each electric-conductor, each electric-conductor central authorities also has a dividing plate, the edge of biside plate is linked to each other by dog screw by connecting screw rod, have insulating sleeve and handle on the connecting screw rod, the electric-conductor of bus duct and bus adopt two-sided overlap joint.But this joint had not only carried out being electrically connected but also having carried out mechanical connection, can not be applied to only need to carry out the occasion of mechanical connection, so its adaptability is not strong, and this joint can not effectively be connected and sealed two sections bus ducts that link to each other.
A kind of improved bus duct junction seal that disclosed for No. 96220964 of Chinese patent and for example, wherein, seal is provided with and the corresponding hole of electric conductor; Hole dimension leaves electric conductor and connects required surplus; Seal can move forward and backward along electric conductor; After electric conductor connected, the seal center line moved to the electric conductor junction, fixes with bus groove case.But the sealing effectiveness of this jockey is bad, in case at junction ponding, will have an accident.Therefore it is unsuitable for being exposed in the environment of natural environment or too wet and uses.
Therefore, provide a kind of bus duct jockey simple in structure, esy to use, safe and reliable to become the problem that industry need solve.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of easy to use, reliable sealing bus duct jockey.
A kind of technical scheme of the present utility model is: a kind of bus duct jockey is provided, the junction that is used for two bus ducts that correspondence is electrically connected is connected and sealed, wherein, this bus duct jockey comprises a pair of connection cover plate and a pair of connection side plate, a pair of connection cover plate and a pair of connection side plate are symmetrically arranged on four sides of correspondence of bus duct, and the sealing of the junction of two bus ducts impaled, the two ends that connect side plate cave inward respectively and form a buckle slot, install at least one card hook part in the buckle slot respectively, one end of card hook part is slidingly installed with in buckle slot, the other end of card hook part extends and forms one to the bus duct side that connects the side plate place and is used for and will connects the stiff end that side plate is fixed in the corresponding bus lines groove, wherein, the stiff end that is positioned at the card hook part that connects the side plate two ends is individually fixed on the corresponding side surface of two bus ducts.
Particularly, connected two bus ducts are same structure, include a pair of cover plate and pair of side plates, and one of them two ends that connect side plate is installed in respectively on the side plate separately of the same side of adjacent two bus ducts.Wherein, connect side plate and comprise a body, the body symmetry is extended and a pair ofly is used for the cooperation wall that is sealed and matched with bus duct and a pair ofly is used for and is connected the connecting wall that cover plate is tightly connected, and this is to cooperate wall the to be symmetricly set in two ends that connect side plate and the outer surface that extends to two bus ducts respectively.Buckle slot forms on body, and the direction that is provided with of buckle slot is parallel to the plane that cooperates the wall place, and buckle slot comprises groove chamber, notch and button limit, and an end of card hook part is provided with a hook portion, and hook portion is hooked on the button limit of buckle slot and can slides along the button limit.Cooperate the end of wall to be bent to form a bearing respectively, on the side of the contiguous bus duct of bearing, be provided with sealing strip.Preferably, be slidingly installed with two or more card hook parts in each buckle slot.Wherein, the middle part formation one that connects cover plate is used for the cell body of holding part denominator wire casing structure, particularly, this cell body is used for the observing and controlling wire casing of the cover plate of ccontaining bus duct, the edge that connects cover plate is provided with fixed edge, connect cover plate and be fixedly attached to by fixed edge on the connecting wall that connects side plate, such as securing members such as employing screws.And the fixed edge that connects cover plate is provided with sealing strip with the contacted surface of the connecting wall that is connected side plate.
For better sealing, the bus duct jockey further is provided with sealing block in the cell body two ends and the bus duct position contacting that connect cover plate, and particularly, sealing block is to be fixed in the observing and controlling wire casing of bus duct, and contacts with the cell body sealing that is connected cover plate.Wherein, connect the width of the bus duct part that the cell body width of cover plate equals to be mated, just, the groove insied width of cell body approximates the distance between the outer wall of observing and controlling wire casing sidewall, so that make the sealing that connects between cover plate and the cover plate.
Wherein, the middle part of card hook part is bent into L shaped shape, the part before the bending smooth the surface of body, the part after the bending smooth cooperate the surface of wall so that closely with is connected the side plate cooperation.The employed securing member of the stiff end of card hook part comprises that screw cooperates with screw, bolts and nuts cooperation, buckle cooperate, rivet or weld with draw-in groove.The stiff end of corresponding card hook part is provided with the fixed code seat on the bus duct, and the fixed code seat slidably is installed on the bus duct side and is fixed the flange block and can not leaves the bus duct side.
Preferably, connect the place that is in contact with one another between cover plate, connection side plate, cover plate, the side plate and be equipped with sealing strip.
The bus duct jockey can be used to connect concentration bus duct, air type bus duct, high-performance bus duct, fire resistant busbar, water proof type bus duct, air supplementary insulation type bus duct or high pressure universal enclosed bus groove.Therefore not necessarily be provided with fin on the bus duct, the stiff end of the card hook part of bus duct jockey can be directly fixed on any one side of bus duct.Selectively, connecting cover plate also can be to be directly fixed on two bus ducts.
Bus duct jockey of the present utility model can be used to connect and comprises two adjacent bus ducts of one deck at least, promptly, bus duct jockey of the present utility model both can be used to connect the bus duct that comprises one group of electric conductor, also can be used to connect the bus duct of the multiple field that comprises many group electric conductors.
The beneficial effects of the utility model are: adopt a pair of connection cover plate and a pair of side plate and fitted seal bar or the sealing block of being connected, with the sealing of bus duct junction, prevent that dust or water from entering in the bus duct, effectively avoided the potential safety hazard of bus duct effectively; The bus duct jockey is member independently, goes for the connection between various types of bus ducts; Adopt card hook part slidably to be located in the buckle slot, both simplified the installation process of bus duct connector, help regulating easily the position of bus duct connector again according to the needs of assembling.
Below in conjunction with drawings and Examples; further specify the utility model; but the utility model is not limited to these embodiment, any on the utility model essence spirit improvement or substitute, still belong to scope required for protection in the utility model claims.
Description of drawings
Fig. 1 is the bus duct device schematic perspective view.
Fig. 2 is the partial enlarged drawing of bus duct device.
Fig. 3 is the cross-sectional view of bus duct device.
Fig. 4 is a bus duct jockey user mode perspective exploded view of the present utility model.
Fig. 5 is the schematic perspective view after the bus duct jockey assembling of the present utility model.
Fig. 6 is the user mode schematic perspective view of another execution mode of bus duct jockey of the present utility model.
Embodiment
Embodiment 1
Please refer to Fig. 1 to Fig. 5, bus duct jockey of the present utility model, be used to connect two adjacent concentration bus duct devices in the present embodiment, wherein, bus duct is used to install the electric conductor 10 of one group of mutually insulated, such as conducting copper, this group electric conductor 10 comprises four conducting coppers in the present embodiment.This bus duct device comprises a pair of cover plate 20 and pair of side plates 30, and electric conductor group 10 is installed in the space that a pair of cover plate 20 and pair of side plates 30 impale.
A pair of cover plate 20 is the shape of symmetry, here be introduced with one of them, cover plate 20 is roughly the U type, comprise a body 22, thereby extend upward pair of sidewalls 24 by the both sides of the edge of body 22 and form an observing and controlling wire casing 26, be used for laying therein detection and control circuitry, such as the bus duct temperature sensor scheme, on the two side 24 of observing and controlling wire casing 26 fin 244 is set, observing and controlling wire casing 26 adopts 28 sealings of groove lid, groove covers 28 corresponding fins 244 a pair of card base 284 is set, and groove lid 28 is by detachably being installed on the observing and controlling wire casing 26 card base 284 and cooperating of fin 244.Wherein, body 22 is offered connecting hole 223 and is used for carrying out fixed combination with side plate 30 in the bottom land position of observing and controlling wire casing 26.
Pair of side plates 30 is the shape of symmetry, here be introduced with one of them, side plate 30 is roughly the U type, the edge of side plate 30 extends a pair of stator 32 to the direction that deviates from electric conductor group 10, fixing hole 323 is set on the stator 32, securing member (figure does not show) such as bolt, passes connecting hole 223 and with fixing hole 323 cover plate 20 and side plate 30 is tightened together.Wherein, side plate 30 is provided with six fin 33, the relative respectively fixing flange 333 that extends of fin 33 that the top is adjacent with two couple of below deviating from the side surface of electric conductor group 10 to extend.
Bus duct jockey of the present utility model, be used for junction with adjacent two bus ducts and seal and fixedly connected, this bus duct jockey comprises a pair of connection cover plate 40, a pair of connection side plate 50, eight card hook parts 60, eight fixed code seats 70 and four sealing blocks 80.
A pair of connection side plate 50 is the shape of symmetry, here be introduced with one of them, connect side plate 50 and comprise a body 52, edge, the front and back symmetry of body 52 is extended a pair of cooperation wall 56 that is sealed and matched with side plate 30 of being used for, cooperate the end of wall 56 to be bent to form a bearing 566 respectively, on the side of bearing 566 contiguous bus ducts, be provided with sealing strip 90.Rear and front end at side plate 30 is not provided with fin 33, reserves smooth surface so that the bearing 566 of connection side plate and the surface of side plate 30 are sealed and matched.Effectively seal between last lower limb that further adopts a removable seal (figure does not show) to make to cooperate wall 56 and the cover plate 20.The last lower limb symmetry of body 52 is extended and a pair ofly is used for and is connected the connecting wall 58 that cover plate 40 is tightly connected, and wherein, the cooperation wall 56 at two ends extends to the outer surface of the side plate 30 of adjacent two bus ducts respectively.
The rear and front end that connects the body 52 of side plate 50 caves inward respectively and forms a buckle slot 525, buckle slot 525 comprises groove chamber, notch and button limit 5255, install two card hook parts 60 in each buckle slot 525 respectively, one end of card hook part 60 is provided with a hook portion 62, and card hook part 60 is hooked on the button limit 5255 of buckle slot 525 and can slides along button limit 5255 by its hook portion 62.The middle part of card hook part 60 is bent into L shaped shape, the part before the bending smooth the surface of body 52, the part after the bending smooth cooperate the surface of wall 56.The other end of card hook part 60 extends and forms a stiff end 66 that is provided with connecting hole to side plate 30 directions of bus duct.
Fixed code seat 70 is a box-shaped, it is provided with fixing hole, and fixed code seat 70 is installed in the space between the fin 33, and by fixing flange 333 blocks of fin 33, it can not dropped out in the space between the fin 33, and can slide along the space between the fin 33.Securing member passes the connecting hole of stiff end 66 and the fixing hole of fixed code seat 70, and card hook part 60 is fixedly attached on the fixed code seat 70, is fixed on the side plate 30 thereby will connect side plate 50.Because fixed code seat 70 can slide along the space between the fin 33, and card hook part 60 can be adjusted according to the assembling needs so connect the fixed position of side plate 30 easily along 5255 slips of button limit.
The middle part that connects cover plate 40 forms a cell body 44, the edge that connects cover plate 40 forms fixed edge 46, cell body 44 is used for the sidewall 24 of the cover plate 20 of ccontaining bus duct, therefore the groove insied width of cell body 44 approximates the distance between the outer wall of sidewall 24, and further be provided with sealing strip (figure does not show) between sidewall 24 outer surfaces of the madial wall of cell body 44 and cover plate 20, connect effectively sealing between cover plate 40 and the cover plate 20 so that make.Connecting cover plate 40 is fixedly attached on the connecting wall 58 that connects side plate 50 by its fixed edge 46.And fixed edge 46 is provided with sealing strip 90, to realize connecting cover plate 40 and the sealing that is connected between the side plate 50.
Embodiment 2
As another execution mode of the present utility model, bus duct jockey of the present utility model can be used to connect the bus duct of other types, such as air type bus duct, high-performance bus duct, fire resistant busbar, water proof type bus duct, air supplementary insulation type bus duct, high pressure universal enclosed bus groove etc.Therefore not necessarily will be provided with fin 33 on the bus duct, the stiff end 66 of the card hook part 60 of bus duct jockey can adopt other securing members to be directly fixed on the side plate 30.Such as buckle, riveted joint, welding etc.
Can adopt at least one card hook part 60 is set in each buckle slot 525, card hook part 60 can adopt other modes to be directly fixed on the side plate 30.
The material that connects cover plate 40, connection side plate 50, card hook part 60 etc. can be selected metal or metal alloy for use, such as aluminium alloy, also can select highstrenghtpiston or this area other materials commonly used for use.
Embodiment 3
Please refer to Fig. 6, as another execution mode of the present utility model, the body 52 of the connection side plate 50 of bus duct jockey of the present utility model can widen between two connecting walls 58 about more than 1 times, then the length of Dui Ying buckle slot 525 also prolongs about more than 1 times, and card hook part 60 quantity that are provided with of sliding in the buckle slot 525 also increase about more than 1 times, at this moment, this bus duct jockey can be used for connecting two adjacent multiple field bus ducts, the structure of this multiple field bus duct is: the electric conductor group 10 in the bus duct comprises two groups or three groups, side plate 30 comprises two pairs or three pairs, wherein every group of electric conductor group 10 correspondences are arranged between every pair of side plate 30, two adjacent groups electric conductor group 10 is the vertical center line direction layering settings along cover plate 20, and two adjacent groups electric conductor group 10 is isolated by a keyset, and the stator 32 of adjacent two pairs of side plates 30 is fixed on the keyset by securing member respectively.
Claims (10)
1, a kind of bus duct jockey, the junction that is used for two bus ducts that correspondence is electrically connected is connected and sealed, it is characterized in that, this bus duct jockey comprises a pair of connection cover plate and a pair of connection side plate, described a pair of connection cover plate and a pair of connection side plate are symmetrically arranged on four sides of correspondence of described bus duct, and the sealing of the junction of described two bus ducts impaled, the two ends of described connection side plate cave inward respectively and form a buckle slot, install at least one card hook part in the described buckle slot respectively, one end of described card hook part is slidingly installed with in described buckle slot, the other end of described card hook part extends and forms a stiff end that is used for described connection side plate is fixed in corresponding described bus duct side to the bus duct side at described connection side plate place, wherein, the stiff end that is positioned at the card hook part at described connection side plate two ends is individually fixed on the corresponding side surface of described two bus ducts.
2, bus duct jockey as claimed in claim 1, it is characterized in that, described connection side plate comprises a body, described body symmetry is extended and a pair ofly is used for the cooperation wall that is sealed and matched with described bus duct and a pair of being used for is connected the connecting wall that cover plate is tightly connected with described, and described a pair of cooperation wall is symmetricly set in the two ends of described connection side plate and extends to two bus duct sides respectively.
3, bus duct jockey as claimed in claim 2, it is characterized in that, described buckle slot forms on described body, described buckle slot the plane that direction is parallel to described cooperation wall place is set, described buckle slot comprises groove chamber, notch and button limit, one end of described card hook part is provided with a hook portion, and described hook portion is hooked on the button limit of described buckle slot and can slides along described button limit.
4, bus duct jockey as claimed in claim 3 is characterized in that, the end of described cooperation wall is bent to form a bearing respectively, is provided with sealing strip on the side of the contiguous described bus duct of described bearing.
5, bus duct jockey as claimed in claim 1 is characterized in that, is slidingly installed with two or more card hook parts in described each buckle slot.
6, bus duct jockey as claimed in claim 1, it is characterized in that, the middle part formation one of described connection cover plate is used for the cell body of holding part denominator wire casing structure, the edge of described connection cover plate is provided with fixed edge, and described connection cover plate is fixedly attached on the connecting wall of described connection side plate by described fixed edge.
7, bus duct jockey as claimed in claim 6 is characterized in that, the fixed edge of described connection cover plate is provided with sealing strip with the described contacted surface of connecting wall that is connected side plate.
8, bus duct jockey as claimed in claim 7 is characterized in that, described bus duct jockey further is provided with sealing block in cell body and described two bus duct position contacting of described connection cover plate.
9, bus duct jockey as claimed in claim 1, it is characterized in that, the stiff end of corresponding described card hook part is provided with the fixed code seat on the described bus duct, and described fixed code seat slidably is installed on the described bus duct side and is fixed the flange block and can not leaves described bus duct side.
10, bus duct jockey as claimed in claim 1 is characterized in that, adjacent two bus ducts that described bus duct jockey connects are to comprise the bus duct of one deck at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057219 CN200959506Y (en) | 2006-03-31 | 2006-03-31 | Bus-slot connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057219 CN200959506Y (en) | 2006-03-31 | 2006-03-31 | Bus-slot connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200959506Y true CN200959506Y (en) | 2007-10-10 |
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ID=38786386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620057219 Expired - Fee Related CN200959506Y (en) | 2006-03-31 | 2006-03-31 | Bus-slot connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200959506Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134960A (en) * | 2014-08-25 | 2014-11-05 | 富龙电气（广东）有限公司 | Integrated type intensive bus duct PE and port protecting device |
| CN106207504A (en) * | 2016-08-27 | 2016-12-07 | 威腾电气集团股份有限公司 | A kind of bus-bars conductor of band epoxy resin powder spray insulating barrier |
| CN107546692A (en) * | 2016-06-24 | 2018-01-05 | 香江科技股份有限公司 | A kind of bus groove case for being easy to assembling, bus duct |
| CN109390894A (en) * | 2017-08-02 | 2019-02-26 | 天源华威集团有限公司 | A kind of high security bus duct |
| CN109462201A (en) * | 2019-01-08 | 2019-03-12 | 镇江市美盛母线有限公司 | A kind of plug-in bus duct |
| CN109713626A (en) * | 2019-03-14 | 2019-05-03 | 江苏成城电气有限公司 | A kind of efficient bus duct |
-
2006
- 2006-03-31 CN CN 200620057219 patent/CN200959506Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134960A (en) * | 2014-08-25 | 2014-11-05 | 富龙电气（广东）有限公司 | Integrated type intensive bus duct PE and port protecting device |
| CN104134960B (en) * | 2014-08-25 | 2017-05-31 | 肇庆市富美电气有限公司 | The concentration bus duct PE protections of integral type and port-guard device |
| CN107546692A (en) * | 2016-06-24 | 2018-01-05 | 香江科技股份有限公司 | A kind of bus groove case for being easy to assembling, bus duct |
| CN106207504A (en) * | 2016-08-27 | 2016-12-07 | 威腾电气集团股份有限公司 | A kind of bus-bars conductor of band epoxy resin powder spray insulating barrier |
| CN109390894A (en) * | 2017-08-02 | 2019-02-26 | 天源华威集团有限公司 | A kind of high security bus duct |
| CN109462201A (en) * | 2019-01-08 | 2019-03-12 | 镇江市美盛母线有限公司 | A kind of plug-in bus duct |
| CN109713626A (en) * | 2019-03-14 | 2019-05-03 | 江苏成城电气有限公司 | A kind of efficient bus duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhuhai Guangle Electric Power Busway Co., Ltd. Assignor: Guangle Electro-control Equipment Factory, Zhuhai Economic Zone Contract fulfillment period: 2009.9.1 to 2014.8.31 Contract record no.: 2009440001837 Denomination of utility model: Bus-bar groove connecting device Granted publication date: 20071010 License type: Exclusive license Record date: 20091120 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.1 TO 2014.8.31; CHANGE OF CONTRACT Name of requester: ZHUHAI GUANGLE ELECTRIC POWER BUSBAR CHANNELS CO., Effective date: 20091120 |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI GUANGLE POWER BUSWAY CO., LTD. Free format text: FORMER OWNER: GUANGLE ELECTRO-CONTROL EQUIPMENT FACTORY, ZHUHAI ECONOMIC ZONE Effective date: 20100723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519090 NO.2, DATONG STREET, PINGDONGYI ROAD, ZHUHAINANPING SCIENCE AND TECHNOLOGY INDUSTRIAL PARK, ZHUHAI CITY, GUANGDONG PROVINCE TO: 519090 NO.2, DATONG STREET, PINGDONGYI ROAD, NANPING INDUSTRIAL PARK, STATE HIGH-TECH DEVELOPMENT ZONE, ZHUHAI CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100723 Address after: Pingtung 519090 Guangdong Province, Zhuhai national hi tech Development Zone Industrial Park Datong Road Nanping Street No. 2 Patentee after: Zhuhai Guangle Electric Power Busway Co., Ltd. Address before: 519090 Guangdong city of Zhuhai province Zhuhai Nanping Science and Technology Industrial Park, Pingtung Road No. 2 Datong Street Patentee before: Guangle Electro-control Equipment Factory, Zhuhai Economic Zone |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071010 Termination date: 20120331 |