CN205022585U - Rail vehicle and hood closing mechanism thereof - Google Patents
Rail vehicle and hood closing mechanism thereof Download PDFInfo
- Publication number
- CN205022585U CN205022585U CN201520693154.3U CN201520693154U CN205022585U CN 205022585 U CN205022585 U CN 205022585U CN 201520693154 U CN201520693154 U CN 201520693154U CN 205022585 U CN205022585 U CN 205022585U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- rear end
- closing mechanism
- guideway vehicle
- hood opening
- 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.)
- Withdrawn - After Issue
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Support Devices For Sliding Doors (AREA)
Abstract
The utility model discloses a rail vehicle hood closing mechanism, include: go up link mechanism, be equipped with alternately first connecting rod of articulated and second connecting rod, link mechanism is equipped with alternately articulated third connecting rod and fourth connecting rod down to and rear end the 5th connecting rod of looks articulated and the 6th connecting rod, the rear end of third connecting rod with the front end of the 6th connecting rod is articulated mutually, the rear end of fourth connecting rod with the front end of fifth connecting rod is articulated mutually, it is the split type structure of mutually independent with lower link mechanism to go up link mechanism to be equipped with be located the locomotive top be used for the guide the part is drawn along the cunning of setting for the orbit motion in the rear end of first connecting rod and second connecting rod. This hood closing mechanism structure is reliable, the operation is stable, occupation space is little, and changeable molding has stronger adaptability to the cab, is particularly useful for the comparatively long and thin EMUs of giving hood closing mechanism in narrow and small space that only leave of cab. The utility model also discloses a be equipped with hood closing mechanism's rail vehicle.
Description
Technical field
The utility model relates to the hood opening-closing mechanism of guideway vehicle technical field, particularly guideway vehicle.The utility model also relates to the guideway vehicle being provided with described hood opening-closing mechanism.
Background technology
At present, the motor train unit of guideway vehicle are for the consideration hung together, all being provided with in headstock front portion can the head-shield of symmetrical opening and closing, connect to facilitate hitch, left front cover and the right front cover of head-shield are driven by hood opening-closing mechanism, consistent with the streamlined contour of car body head during closedown, can reduce windage, in opening procedure, other parts in car be avoided.
If application publication number is the application for a patent for invention of CN103883195A, it discloses a kind of guideway vehicle switching mechanism for front cover and method of designing, comprise symmetrically arranged left front cover and right front cover, and drive the actuating unit of left front cover and right front cover opening and closing, actuating unit comprises mount pad, opening and closing cylinder, left four-bar linkage and right four-bar linkage, opening and closing cylinder is fixed on mount pad, mount pad is fixed on underframe, left four-bar linkage and right four-bar linkage are made up of continuous print four connecting rods respectively, the leading section of left linkages mechanism is fixedly connected with right front cover with left front cover respectively, the initial point of two first connecting rods in left and right is hinged on anchor shaft jointly, anchor shaft is fixed on mount pad, the point of connection mutual cross-articulation of two, left and right between second connecting rod and third connecting rod.
Although the opening and closing cylinder of this hood opening-closing mechanism can drive left front cover and right front cover to realize opening and closing function by left four-bar linkage and right four-bar linkage.But, in order to ensure the stability of on-off action, need between its upper and lower strut to be connected by vertical left pipe link, right pipe link, left hinge, right hinge.
Because motor train unit front-end architecture is increasing, such as front end increases endergonic structure, anti-creep structure etc., cause front end switching mechanism that the significantly reduction taken up room is set, above-mentioned vertical pipe link and hinge can be difficult to avoid miscellaneous part in car in opening and closing process, and, because the longitudinal size of pipe link and hinge is comparatively large, there is certain flexibility, cause the synchronism of upper and lower strut and stability not high.
Therefore, how being optimized design to hood opening-closing mechanism, is those skilled in the art's technical issues that need to address.
Utility model content
First object of the present utility model is to provide a kind of guideway vehicle hood opening-closing mechanism.This hood opening-closing mechanism structure is reliable, stable, little, changeable to the driver's cab moulding that takes up room has stronger comformability, is particularly useful for the comparatively elongated small space that only leaves of driver's cab to the motor train unit of hood opening-closing mechanism.
Second object of the present utility model is to provide a kind of guideway vehicle being provided with described hood opening-closing mechanism.
For achieving the above object, the utility model provides a kind of guideway vehicle hood opening-closing mechanism, comprising:
Upper connecting rod mechanism, is provided with first connecting rod and the second connecting rod of cross-articulation;
Lower link mechanism, be provided with third connecting rod and the double leval jib of cross-articulation, and the 5th connecting rod and the six-bar linkage that rear end is hinged, the rear end of described third connecting rod and the front end of described six-bar linkage are hinged, and the rear end of described double leval jib and the front end of described 5th connecting rod are hinged;
Actuating unit, for driving described lower link mechanism, it is connected with described lower link mechanism driving;
Described upper connecting rod mechanism and lower link mechanism are separate split-type structural, and be provided be positioned at headstock inner top for guide the rear end of described first connecting rod and second connecting rod along setting orbiting motion cunning draw parts, described first connecting rod draws members slides with the rear end of second connecting rod with described cunning and is connected.
Preferably, the first slide rail sliding block joint of arranging vertically of the hinge of described first connecting rod and second connecting rod and headstock inner top.
Preferably, it is coulisse that described cunning draws parts, and it offers the chute consistent with the path of motion of described first connecting rod and second connecting rod rear end, the rear end of described first connecting rod and second connecting rod is slidably connected to described chute.
Preferably, the wing shape that described coulisse is symmetrical, its left coulisse is offered the left chute corresponding to described second connecting rod rear end, its right rail plate is offered the right rail corresponding to described first connecting rod rear end.
Preferably, described left chute and right rail all curved, and distribution is in the aduncate "eight" shape in both sides.
Preferably, described lower link mechanism is in transmission connection by the hinge of described third connecting rod and double leval jib and described actuating unit, and described 5th connecting rod is relative with the hinge of six-bar linkage fixing.
Preferably, described actuating unit comprises:
Bearing, it is fixedly connected with the hinge of described 5th connecting rod and six-bar linkage, and is provided with the second slide rail;
Slippage parts, can axially movably be installed on the second slide rail of described bearing, and the front end of described slippage parts is connected with the hinge of double leval jib with described third connecting rod;
Opening and closing cylinder, its expansion link front end is connected with the rear end of described slippage parts.
Preferably, described bearing is the single axial trough girder of opening upwards, and described slippage parts are slide plate, and described slide plate is installed in the opening of described trough girder by the double sided slider bar bottom it.
Preferably, described third connecting rod and double leval jib are positioned at above described bearing, described 5th connecting rod and six-bar linkage are positioned at below described bearing, the rear end of described third connecting rod is hinged by the front end of the first vertical bearing pin and described six-bar linkage, the rear end of described double leval jib is hinged by the front end of the second vertical bearing pin and described 5th connecting rod, and the described first vertical bearing pin and the second vertical bearing pin lay respectively at the outside of described bearing the right and left.
For realizing above-mentioned second object, the utility model also provides a kind of guideway vehicle, comprise car body and headstock, the operator's compartment front end of described headstock is provided with head-shield and hood opening-closing mechanism, and described hood opening-closing mechanism is the guideway vehicle hood opening-closing mechanism described in above-mentioned any one.
The utility model has done further improvement on the basis of existing technology, its lower link mechanism and upper connecting rod mechanism are no longer interconnected by vertical pipe link and hinge, but be designed to the split-type structural that is mutually independent, cunning is set at headstock inner top simultaneously and draws parts, first connecting rod is drawn members slides with cunning respectively with the rear end of second connecting rod and is connected.Like this, moved along the path of motion set by sliding rear end of drawing the bootable first connecting rod of parts and second connecting rod, thus ensure that synchronism in opening and closing process of connecting rod mechanism and lower link mechanism and stability, owing to eliminating vertical pipe link and hinge, therefore take up room and significantly reduce, easily avoid miscellaneous part in car, interference is there will not be in opening and closing process, the moulding changeable to driver's cab has stronger comformability, is particularly useful for the comparatively elongated small space that only leaves of driver's cab to the motor train unit of hood opening-closing mechanism.
In the preferred scheme of one, the first slide rail sliding block joint that the hinge of described first connecting rod and second connecting rod is arranged vertically with headstock inner top further.Like this, in head-shield opening and closing process, the hinge of first connecting rod and second connecting rod can slide on the first slide rail, the hinge direction along ng a path strictly being limited first connecting rod and second connecting rod by the first slide rail moves, thus draw on the basis of parts sliding, further ensure synchronism and the stability of connecting rod mechanism.
Guideway vehicle provided by the utility model is provided with above-mentioned hood opening-closing mechanism, and because described hood opening-closing mechanism has above-mentioned technique effect, the guideway vehicle being provided with this hood opening-closing mechanism also should have corresponding technique effect.
Accompanying drawing explanation
Fig. 1 provides by the utility model the axonometric drawing of a kind of detailed description of the invention of guideway vehicle hood opening-closing mechanism;
Fig. 2 is the birds-eye view of the hood opening-closing mechanism of guideway vehicle shown in Fig. 1 on removing after connecting rod mechanism;
Fig. 3 is the lateral plan of Fig. 2;
Fig. 4 is the cutaway view of Fig. 3.
In figure:
1. the vertical bearing pin of first connecting rod 2. second connecting rod 3. third connecting rod 4. double leval jib 5. the 5th connecting rod 6. six-bar linkage 7. slide plate 8. opening and closing cylinder 9. locking cylinder 12. second hinge 13. the 3rd hinge 21. first trough girder 22. second trough girder 2231. coulisse 311. left chute 312. right rail 41. first vertical bearing pin 42. second
Detailed description of the invention
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The term such as upper and lower, inside and outside is herein established, difference with reference to the accompanying drawings based on position relationship shown in the drawings, and corresponding position relationship also likely changes thereupon, therefore, can not be understood as the absolute limit to protection domain.
Please refer to Fig. 1, Fig. 2, Fig. 1 provides by the utility model the axonometric drawing of a kind of detailed description of the invention of guideway vehicle hood opening-closing mechanism; Fig. 2 is the birds-eye view of the hood opening-closing mechanism of guideway vehicle shown in Fig. 1 on removing during connecting rod mechanism.
In a kind of specific embodiment, the utility model provides a kind of guideway vehicle hood opening-closing mechanism, forms primarily of upper connecting rod mechanism, lower link mechanism and actuating unit three parts.
Upper connecting rod mechanism is follower, its first connecting rod 1 and second connecting rod 2 intersect in " X " shape, and be hinged by the first hinge (not shown owing to blocking reason) at point of crossing place, first connecting rod 1 is fixedly connected with right head-shield with left head-shield respectively with the front end of second connecting rod 2, rear end is drawn members slides with the cunning of headstock inner top respectively and is connected, the first hinge that first connecting rod 1 and second connecting rod 2 are hinged and the first slide rail sliding block joint that headstock inner top is arranged vertically.
Particularly, headstock inner top is fixed with the first trough girder 21, Open Side Down for this trough girder, the top of the first hinge that first connecting rod 1 and second connecting rod 2 are hinged is connected with the first trough girder 21 by linear bearing, can guarantee that the first hinge can linearly slide by bearing, be in all the time on the direction of car body line of centers.
It is coulisse 31 that cunning draws parts, the wing shape that its shape is symmetrical, be fixedly connected on the rear end of the first trough girder 21, its left coulisse is offered the left chute 311 corresponding to second connecting rod 2 rear end, its right rail plate is offered the right rail 312 corresponding to first connecting rod 1 rear end, the shape of left chute 311 and right rail 312 is all curved, and distribution is in the aduncate "eight" shape in both sides, consistent with the path of motion of first connecting rod 1 and second connecting rod 2 rear end, first connecting rod 1 is connected with corresponding slide with axle sleeve respectively by bearing pin with the rear end of second connecting rod 2.
Please also refer to Fig. 3, Fig. 4, Fig. 3 is the lateral plan of Fig. 2; Fig. 4 is the cutaway view of Fig. 3.
Lower link mechanism is driving mechanism, and its third connecting rod 3 and double leval jib 4 also intersect in " X " shape, and are hinged by the second hinge 12 at point of crossing place, and it is substantially identical with connection mode with the shape of second connecting rod 2 with the first connecting rod 1 of upper connecting rod mechanism.
5th connecting rod 5 of lower link mechanism and six-bar linkage 6 hinged V-shaped, the rear end of third connecting rod 3 and the front end of six-bar linkage 6 are hinged, the rear end of double leval jib 4 and the front end of the 5th connecting rod 5 are hinged, and third connecting rod 3 is fixedly connected with right head-shield with left head-shield respectively with the front end of double leval jib 4.
From generally speaking, lower link mechanism and upper connecting rod mechanism separate, both are split-type structural, are no longer interconnected by longitudinal.
Actuating unit is primarily of formations such as bearing, slippage parts and opening and closing cylinders 8, and bearing is the second trough girder 22 of opening upwards, and the hinge-point that its width is less than third connecting rod 3 and six-bar linkage 4 is to the spacing of the hinge-point of double leval jib 4 and the 5th connecting rod 5.
Slippage parts are slide plate 7, slide plate 7 is installed in the opening of the second trough girder 22 by the twice linear bearing bottom it, can move forward and backward in the second trough girder 22, the third connecting rod 3 of lower link mechanism and double leval jib 4 are positioned at above the second trough girder 22, and by third connecting rod 3 and double leval jib be hinged 4 the second hinge 12 be connected with slide plate 7 front end, 5th connecting rod 5 and six-bar linkage 6 are positioned at below the second trough girder 22, the rear end of third connecting rod 3 is hinged by the front end of the first vertical bearing pin 41 and six-bar linkage 6, the rear end of double leval jib 4 is hinged by the front end of the second vertical bearing pin 42 and the 5th connecting rod 5, first vertical bearing pin 41 and the second vertical bearing pin 42 lay respectively at the outside of second trough girder 22 the right and left, the 3rd hinge 13 that 5th connecting rod 5 and six-bar linkage 6 are hinged is fixed on the bottom surface of the second trough girder 22, the expansion link front end of opening and closing cylinder 8 is connected with the rear end of slide plate 7, the side of slide plate 7 is provided with the breach corresponding to locking cylinder 9 telescopic end, the locking and unlocking to slide plate 7 can be realized by the expanding-contracting action of locking cylinder 9.
Third connecting rod 3, double leval jib 4 and the 5th connecting rod 5, six-bar linkage about 6 are misplaced and arrange, the space around the second trough girder 22 can be made full use of on the one hand, reduce volume as much as possible, the stressed more reasonable of connecting rod can be made on the other hand, thus improve alerting ability and the stability of motion.
During action, when the expansion link of opening and closing cylinder 8 stretches out forward, promote slide plate 7 forward slip, and then promote the second hinge 12 by slide plate 7 and move forward, third connecting rod 3 and double leval jib 4 mutually close up under thrust, due to the 3rd hinge 13 of the 5th connecting rod 5 and six-bar linkage 6 and the second trough girder 22 relative fixing, therefore whole lower link mechanism extends, upper connecting rod mechanism also closes up elongation thereupon, the left head-shield of drive closes up in upper connecting rod mechanism and lower link mechanism and right head-shield closes up closedown, otherwise, when the expansion link of opening and closing cylinder 8 is retracted backward, the second hinge 12 then can be pulled to move backward, thus drive left head-shield and right head-shield to open from centre to both sides.
Because sliding rear end of drawing the bootable first connecting rod 1 of parts and second connecting rod 2 is moved along the path of motion set, first slide rail can limit the first hinge and be on car body line of centers all the time, therefore ensure that synchronism in opening and closing process of connecting rod mechanism and lower link mechanism and stability, and the bulk strength of switching mechanism and rigidity, vertical pipe link and hinge can be cancelled, the space that whole mechanism is taken significantly reduces, easily avoid miscellaneous part in car, interference is there will not be in opening and closing process, the moulding changeable to driver's cab has stronger comformability, be particularly useful for the comparatively elongated small space that only leaves of driver's cab to the motor train unit of hood opening-closing mechanism.
Above-described embodiment is only preferred version of the present utility model, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments.Such as, the slippage parts of actuating unit are designed to the form of dolly; Or the link design of upper and lower strut mechanism is become the shape of non-wing plate, etc.Because mode in the cards is more, just casehistory no longer one by one here.
Except above-mentioned hood opening-closing mechanism, the utility model also provides a kind of guideway vehicle, comprise car body and headstock, the operator's compartment front end of headstock is provided with head-shield and hood opening-closing mechanism, hood opening-closing mechanism is guideway vehicle hood opening-closing mechanism above, all the other structures please refer to prior art, repeat no more herein.
Above hood opening-closing mechanism provided by the utility model and guideway vehicle are described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a guideway vehicle hood opening-closing mechanism, comprising:
Upper connecting rod mechanism, is provided with first connecting rod and the second connecting rod of cross-articulation;
Lower link mechanism, be provided with third connecting rod and the double leval jib of cross-articulation, and the 5th connecting rod and the six-bar linkage that rear end is hinged, the rear end of described third connecting rod and the front end of described six-bar linkage are hinged, and the rear end of described double leval jib and the front end of described 5th connecting rod are hinged;
Actuating unit, for driving described lower link mechanism, it is connected with described lower link mechanism driving;
It is characterized in that, described upper connecting rod mechanism and lower link mechanism are separate split-type structural, and be provided be positioned at headstock inner top for guide the rear end of described first connecting rod and second connecting rod along setting orbiting motion cunning draw parts, described first connecting rod draws members slides with the rear end of second connecting rod with described cunning and is connected.
2. guideway vehicle hood opening-closing mechanism according to claim 1, is characterized in that, the first slide rail sliding block joint that the hinge of described first connecting rod and second connecting rod and headstock inner top are arranged vertically.
3. guideway vehicle hood opening-closing mechanism according to claim 1, it is characterized in that, it is coulisse that described cunning draws parts, it offers the chute consistent with the path of motion of described first connecting rod and second connecting rod rear end, the rear end of described first connecting rod and second connecting rod is slidably connected to described chute.
4. guideway vehicle hood opening-closing mechanism according to claim 3, it is characterized in that, the wing shape that described coulisse is symmetrical, its left coulisse is offered the left chute corresponding to described second connecting rod rear end, its right rail plate is offered the right rail corresponding to described first connecting rod rear end.
5. guideway vehicle hood opening-closing mechanism according to claim 4, is characterized in that, described left chute and right rail all curved, and distribution is in the aduncate "eight" shape in both sides.
6. the guideway vehicle hood opening-closing mechanism according to any one of claim 1 to 5, it is characterized in that, described lower link mechanism is in transmission connection by the hinge of described third connecting rod and double leval jib and described actuating unit, and described 5th connecting rod is relative with the hinge of six-bar linkage fixing.
7. guideway vehicle hood opening-closing mechanism according to claim 6, is characterized in that, described actuating unit comprises:
Bearing, it is fixedly connected with the hinge of described 5th connecting rod and six-bar linkage, and is provided with the second slide rail;
Slippage parts, can axially movably be installed on the second slide rail of described bearing, and the front end of described slippage parts is connected with the hinge of double leval jib with described third connecting rod;
Opening and closing cylinder, its expansion link front end is connected with the rear end of described slippage parts.
8. guideway vehicle hood opening-closing mechanism according to claim 7, is characterized in that, described bearing is the single axial trough girder of opening upwards, and described slippage parts are slide plate, and described slide plate is installed in the opening of described trough girder by the double sided slider bar bottom it.
9. guideway vehicle hood opening-closing mechanism according to claim 8, it is characterized in that, described third connecting rod and double leval jib are positioned at above described bearing, described 5th connecting rod and six-bar linkage are positioned at below described bearing, the rear end of described third connecting rod is hinged by the front end of the first vertical bearing pin and described six-bar linkage, the rear end of described double leval jib is hinged by the front end of the second vertical bearing pin and described 5th connecting rod, and the described first vertical bearing pin and the second vertical bearing pin lay respectively at the outside of described bearing the right and left.
10. a guideway vehicle, comprises car body and headstock, and the operator's compartment front end of described headstock is provided with head-shield and hood opening-closing mechanism, it is characterized in that, described hood opening-closing mechanism is the guideway vehicle hood opening-closing mechanism described in any one of the claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693154.3U CN205022585U (en) | 2015-09-09 | 2015-09-09 | Rail vehicle and hood closing mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520693154.3U CN205022585U (en) | 2015-09-09 | 2015-09-09 | Rail vehicle and hood closing mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022585U true CN205022585U (en) | 2016-02-10 |
Family
ID=55255145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520693154.3U Withdrawn - After Issue CN205022585U (en) | 2015-09-09 | 2015-09-09 | Rail vehicle and hood closing mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205022585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109503A (en) * | 2015-09-09 | 2015-12-02 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and head cover opening and closing mechanism thereof |
| CN106274932A (en) * | 2016-11-01 | 2017-01-04 | 华东交通大学 | A kind of bullet train kuppe changing method |
| CN108105996A (en) * | 2017-12-18 | 2018-06-01 | 浙江德利福科技股份有限公司 | Liquid container tank and water heater |
-
2015
- 2015-09-09 CN CN201520693154.3U patent/CN205022585U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109503A (en) * | 2015-09-09 | 2015-12-02 | 南车青岛四方机车车辆股份有限公司 | Rail vehicle and head cover opening and closing mechanism thereof |
| CN105109503B (en) * | 2015-09-09 | 2018-04-06 | 中车青岛四方机车车辆股份有限公司 | A kind of rail vehicle and its hood opening-closing mechanism |
| CN106274932A (en) * | 2016-11-01 | 2017-01-04 | 华东交通大学 | A kind of bullet train kuppe changing method |
| CN108105996A (en) * | 2017-12-18 | 2018-06-01 | 浙江德利福科技股份有限公司 | Liquid container tank and water heater |
| CN108105996B (en) * | 2017-12-18 | 2024-04-30 | 浙江德利福科技股份有限公司 | Liquid container tank and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20180406 |
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| AV01 | Patent right actively abandoned |