CN205706681U - The detrainment device of rail vehicle - Google Patents
The detrainment device of rail vehicle Download PDFInfo
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- CN205706681U CN205706681U CN201620307939.7U CN201620307939U CN205706681U CN 205706681 U CN205706681 U CN 205706681U CN 201620307939 U CN201620307939 U CN 201620307939U CN 205706681 U CN205706681 U CN 205706681U
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Abstract
This utility model provide a kind of rail vehicle detrainment device, it include the column composition being vertically arranged, folding ramp, for folding ramp connect column composition mandrel, locking conciliate lock foldable ramp self-locking mechanism, restriction folding ramp folding rate antivibrator and for the drawstring by folding ramp pull-up；Described column composition includes up gradient installing plate, gug installing plate, symmetrical two set ratchet assembly and two columns；Described self-locking mechanism includes reset rocking bar, reset rocker shaft, reset rocker arm connecting rod, reset drive link, reset arm connecting rod, reset arm, the axis of guide, guide post with L-shaped hole；Described column composition includes that two columns arranged in parallel, two up gradient installing plates are respectively perpendicular column upper end described in connection two, and two gug installing plates are respectively perpendicular column lower end described in connection two, and described ratchet assembly is located at above two columns.This detrainment device simple in construction, with low cost, be hardly damaged, without potential safety hazard.
Description
Technical field
This utility model relates to rail vehicle field, is specifically related to the detrainment device of a kind of rail vehicle.
Background technology
Emergency evacuation door set by the rail traffic vehicles such as underground engines, be positioned at center, drivers' cab front or
Person side, door body matches with drivers' cab head-shield profile, and its function is in case of emergency to launch, and makes passenger's energy
Enough from the safe transfer of train two ends, it is to avoid or reduce the injures and deaths of passenger.
For backing down ramp-type emergency evacuation door, after door body is turned over, unfolded ramp forms fire escape.Make
For the emergency evacuation facility that the vehicles are supporting, subway, urban rail transit vehicles are equipped with egress door,
It can form passway for escaping, it is ensured that passenger safety is withdrawn in the case of occurring unexpectedly between vehicle and ground.
Owing to this folding ramp is M type structure, in the case of fully deployed, the second pedal and the 3rd pedal are hinged
There is weakness zone in place, this region local pressure is excessive and other positions (such as only have a people along ramp without carrying
Walk and heavily step in this region) ramp then can be caused to produce the least stroke resilience of swing, there is certain safety
Hidden danger.Therefore, locking mechanism need to be added fully deployed ramp is fixed.
The lock mode of existing detrainment device mainly has a following two:
One, resilient key is set on the first connecting rod being connected with escape ramp column, bullet after ramp is fully deployed
Property pin insert the hole, location on column and prevent its resilience with lock ramp, first extract resilient key when reclaiming ramp and enter again
Row reclaimer operation.
Two, locating clip is set at the first pedal and the second pedal, the 3rd pedal and the 4th pedal junction, treats slope
The fully deployed rear locating clip chuck in road completes ramp locking in embedding draw-in groove, before reclaiming ramp, first manual unlocking is whole
Locating clip carries out reclaimer operation again.
There are the following problems for above lock mode:
Mode one: by the single ramp reclaimer operation that can complete in drivers' cab, but often occur that operator omits
Extract resilient key step and directly reclaim ramp, cause first connecting rod around resilient key bending.
Mode two: need many people to unlock ramp in car fit on, then completed ramp by occupant and reclaim, operation
Complex steps.
Utility model content
For overcoming the deficiency of the detrainment device of prior art rail vehicle, this utility model provides one not occur back
Bullet, the detrainment device of rail vehicle easy to operate, non-damageable.Concrete scheme is as follows:
A kind of detrainment device of rail vehicle, including the column composition being vertically arranged, folding ramp, for can
Fold ramp connect column composition mandrel, locking conciliate lock foldable ramp self-locking mechanism, limit collapsible
The antivibrator of ramp folding rate and for by the drawstring of folding ramp pull-up；
Described column composition includes up gradient installing plate, gug installing plate, symmetrical two set ratchet assemblies
With two columns；
Described self-locking mechanism includes reset rocking bar, reset rocker shaft, reset rocker arm connecting rod, reset drive link, answers
Position arm link, reset arm, the axis of guide, guide post with L-shaped hole；
Described folding ramp include being sequentially connected with and mutually with pivotally connected first connecting rod, second connecting rod, the
One pedal, the second pedal, third connecting rod, the 3rd pedal, the 4th pedal and fourth link；
Described column composition includes that two columns arranged in parallel, two up gradient installing plates are respectively perpendicular connection two
Described column upper end, two gug installing plates are respectively perpendicular column lower end described in connection two, and described ratchet assembly sets
Above two columns；
Described reset rocker shaft, the axis of guide and reset arm are vertical on two columns the most from top to bottom；Described multiple
Position rocker shaft is embedded in the transverse holes on column top, in column outside with described reset rocking bar to threaded,
Column inner chamber to threaded, forms assembly A with described reset rocker arm connecting rod；The rotating shaft of described reset arm is embedded in
In column lower, transverse hole, it is a cam-like structure inside column outside, in column inner chamber and described reset arm
Connecting rod, with threaded, forms assembly B；The described axis of guide is threaded connection and is fixed on transverse holes in the middle part of column,
Lead in the L-shaped hole of the described guide post of extension insertion and described in bolt and back-up ring clamping inside column
To bar；Described column, assembly A, described reset drive link, assembly B by hinged formation by described reset
Rocking bar inputs, the cam portion of described reset arm export, and changes the guide post relative position with the axis of guide to solve
The four-bar linkage of lock/lock ramp；
One end, described folding ramp is by column described in two about the connection of described mandrel, and described drawstring two ends connect respectively
Connect described ratchet assembly and described first pedal.
According to a preferred embodiment of the present utility model, described reset rocking bar, reset rocker arm connecting rod, reset pass
Lever, reset arm connecting rod, guide post, first connecting rod, second connecting rod, third connecting rod and fourth link are not
Rust steel pole.
According to a preferred embodiment of the present utility model, described first pedal, the second pedal, the 3rd pedal and
4th pedal surface is all with anti-skidding pad pasting.
According to a preferred embodiment of the present utility model, described in two, column is hollow steel pipe.
According to a preferred embodiment of the present utility model, two long 80cm～110cm of column, described first steps on
The width of plate, the second pedal, the 3rd pedal and the 4th pedal is 50cm～120cm.
According to a preferred embodiment of the present utility model, described antivibrator is hydraulic damper.
According to a preferred embodiment of the present utility model, all with chain connection between each connecting rod, between each pedal.
According to a preferred embodiment of the present utility model, described drawstring is nylon knitting belt.
The technical scheme that this utility model provides has the advantages that
1, having the guide post one end in L-shaped hole fixed by bearing pin by connecting rod and drive, borehole jack is on column
On the axis of guide, in the range of under the folding state of ramp, the axis of guide is in long limit, hole, the axis of guide when ramp is fully deployed
It is positioned at LXing Kong corner, by the action of gravity guide post bottom, axis of guide access aperture minor face scope, completes slope
Road locks.The locking in ramp can be automatically performed while launching ramp, convenient to operation, and and resilient key
Compare with the fixed form of locating clip, can reach the effect of same ramp not resilience.Meanwhile, this operation without
Squatting down or carry out outside car, the unblock mode of operation of relatively resilient key and locating clip is easier.
2., arrange and the reset rocking bar of guide post linkage in the ratchet mechanism rocking arm position reclaiming ramp, operation
Person does not carry out reset operation to be made guiding rod aperture turning return to axis of guide position just to cannot be carried out ramp reclaimer operation, anti-
Only operator omits operating procedure and damages parts.When reclaiming ramp, because reset rocking bar is buckled in recovery ratchet machine
On the rocking arm of structure, first ramp can be unlocked forced reminding operator recycling ramp, can prevent parts from damaging
Bad.
In addition to objects, features and advantages described above, this utility model also has other purpose, spy
Seek peace advantage.Below with reference to accompanying drawings, this utility model is described in detail further.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in embodiment being described below
The required accompanying drawing used is briefly described, it should be apparent that, drawings discussed below is only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained, wherein according to these accompanying drawings:
Fig. 1 is the structural representation of the deployed condition of the detrainment device of the rail vehicle that this utility model provides；
Fig. 2 is the structural representation of the folded state of the detrainment device of the rail vehicle in Fig. 1；
Fig. 3 is self-locking mechanism and the structural representation of column composition in Fig. 1；
In figure: 1, mandrel, 2, column composition, 21, ratchet assembly, 22, up gradient installing plate, 23, vertical
Post, 24, gug installing plate, 3, self-locking mechanism, 31, reset rocking bar, 32, reset rocker shaft, 33,
Reset rocker arm connecting rod, 34, reset drive link, 35, reset arm connecting rod, 36, reset arm, 37, the axis of guide,
38, guide post, 4, antivibrator, 5, folding ramp, 51, first connecting rod, 52, second connecting rod, 53,
First pedal, the 54, second pedal, 55, third connecting rod, the 56, the 3rd pedal, the 57, the 4th pedal, 58,
Fourth link, 6, drawstring.
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, the technical scheme in this utility model embodiment is carried out clear,
Complete description, it is clear that described embodiment is only a part of embodiment of the present utility model rather than complete
The embodiment in portion.
Refer to Fig. 1～Fig. 3, the detrainment device of a kind of rail vehicle, including the column composition 2 being vertically arranged,
Folding ramp 5, connect for folding ramp 5 column composition 2 mandrel 1, locking conciliate lock foldable
The self-locking mechanism 3 in ramp 5, limit the antivibrator 4 of folding ramp 5 folding rate and for by collapsible slope
The drawstring 6 of road 5 pull-up.
Described column composition 2 includes up gradient installing plate 22, gug installing plate 24, symmetrical two sets
Ratchet assembly 21 and two columns 23.
Described self-locking mechanism 3 includes reset rocking bar 31, reset rocker shaft 32, reset rocker arm connecting rod 33, resets
Drive link 34, reset arm connecting rod 35, reset arm 36, the axis of guide 37, guide post 38 with L-shaped hole；
Described folding ramp 5 includes being sequentially connected with and mutually connecting with pivotally connected first connecting rod 51, second
Bar the 52, first pedal the 53, second pedal 54, third connecting rod the 55, the 3rd pedal the 56, the 4th pedal 57 and
(in actual application, the quantity of pedal and the quantity of connecting rod can according to the principle of the present invention voluntarily for fourth link 58
Set)；
Described column composition 2 includes two columns 23 arranged in parallel, and two up gradient installing plates 22 hang down respectively
Direct-connected connecing column upper end described in two, two gug installing plates 24 are respectively perpendicular column 23 lower end described in connection two,
Described ratchet assembly 21 is located at above two columns 23；
Described reset rocker shaft 32, the axis of guide 37 and reset arm 36 are vertical at two columns the most from top to bottom
On 23；Described reset rocker shaft 32 is embedded in the transverse holes on column 23 top, outside with described at column 23
Reset rocking bar 31 is with threaded, at column 23 inner chamber with described reset rocker arm connecting rod 33 to threaded,
Form assembly A；The rotating shaft of described reset arm 36 is embedded in column 23 lower, transverse hole, outside column 23
Inner side is a cam-like structure, at column 23 inner chamber with described reset arm connecting rod 35 to threaded, and formation group
Part B；The described axis of guide 37 is threaded connection and is fixed on transverse holes in the middle part of column 23, inside column 23
Described guide post 38 is clamped in the L-shaped hole of the extension described guide post 38 of insertion and by bolt and back-up ring；
Described column 23, assembly A, described reset drive link 34, assembly B are shaken by described reset by hinged formation
Bar 31 inputs, the cam portion of described reset arm 36 export, and changes the phase of guide post 38 and the axis of guide 37
To position with the four-bar linkage in unlock/lock ramp.
One end, described folding ramp 5 is by column 23, described drawstring 6 described in two about the connection of described mandrel 1
Two ends connect described ratchet assembly 21 and described first pedal 53 respectively.
Further, described reset rocking bar 31, reset rocker arm connecting rod 33, reset drive link 34, reset arm are even
Bar 35, guide post 37, first connecting rod 51, second connecting rod 52, third connecting rod 55 and fourth link 58 are
Stainless steel.Its intensity can meet the requirement of evacuation.
Further, described first pedal the 53, second pedal the 54, the 3rd pedal 56 and the 4th pedal 57 table
Face is all with anti-skidding pad pasting.Described anti-skidding pad pasting can play increase friction and make when needing the personnel evacuated upper and lower
With, reduce the risk of accidents such as falling down, trip.Especially when emergency evacuation, well effect can be played.
Further, described in two, column 23 is hollow steel pipe.While proof strength, weight can be reduced
And it is cost-effective.
Further, two long 80cm～110cm of column, described first pedal the 53, second pedal the 54, the 3rd
The width of pedal 56 and the 4th pedal 57 is 50cm～120cm.A length of 80cm～110cm of column can be very
It is applicable to well various rail vehicle, such as railcar, high ferro vehicle, common railway vehicle etc..Each pedal
It is upper and lower side by side that width is that 50cm～120cm can accommodate one to two people, has preferably saved space, and meet and make
With needs.
Further, described antivibrator 4 is hydraulic damper.
Further, between each connecting rod, all with chain connection between each pedal.Chain connection makes structure simplify,
Lighter weight, and easily manufacture, processing cost is low.
Further, described drawstring 6 is nylon knitting belt.Nylon has good intensity, less retractility,
Use needs can be met well.
The operation principle of the technical program is as follows:
Ramp locks:
When folding ramp 5 is in folded state, the axis of guide 37 is positioned at the length in the L-shaped hole of guide post 38
End, limit.Along with folding ramp 5 launches, first connecting rod 51 drives guide post 38 together to move downward,
When arriving final expanded position, the axis of guide 37 enters L-shaped hole long minor face position of intersecting point, under gravity,
Guide post 38 falls, and the axis of guide 37 enters guide post 38 minor face end position, and folding ramp 5 completes lock
Fixed, folding ramp 5 will be caused to tilt because local load-bearing is excessive in the range of intensity allows and even reclaim.
Ramp unlocks:
When needs reclaim folding ramp 5, because reset rocking bar 31 is buckled on the handle of ratchet assembly 21, because of
This need to first rotate down reset rocking bar 31 and put in place, and then reset rocking bar 31 drives reset rocker shaft 32 to rotate,
Drive reset by reset rocker arm connecting rod 33, reset drive link 34, the four-bar mechanism of reset arm connecting rod 35 composition
Arm 36 rotates.Reset arm 36 end rises to contact with guide post 38 because rotating, and its jack-up the most at last,
The axis of guide 37 is made to return to the long limit track in L-shaped hole of guide post 38.The most repeatedly shake ratchet assembly 21
Handle reclaims folding ramp 5, and under the drive of drawstring 6, folding ramp 5 completes to fold recovery action.
The foregoing is only embodiment of the present utility model, not thereby limit patent protection model of the present utility model
Enclose, every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion, directly
Connect or be indirectly used in other relevant technical field, be the most in like manner included in scope of patent protection of the present utility model
In.
Claims (8)
1. the detrainment device of a rail vehicle, it is characterised in that column composition (2) that includes being vertically arranged,
Folding ramp (5), the mandrel (1) for folding ramp (5) connection column composition (2), locking
Conciliate the self-locking mechanism (3) in lock foldable ramp (5), limit the resistance of folding ramp (5) folding rate
Buddhist nun's device (4) and for by the drawstring (6) of folding ramp (5) pull-up；
Described column composition (2) includes up gradient installing plate (22), gug installing plate (24), left and right
Two symmetrical set ratchet assembly (21) and two columns (23)；
Described self-locking mechanism (3) includes that reset rocking bar (31), reset rocker shaft (32), reset rocking bar are even
Bar (33), reset drive link (34), reset arm connecting rod (35), reset arm (36), the axis of guide (37),
Guide post (38) with L-shaped hole；
Described folding ramp (5) include being sequentially connected with and mutually with pivotally connected first connecting rod (51),
Second connecting rod (52), the first pedal (53), the second pedal (54), third connecting rod (55), the 3rd step on
Plate (56), the 4th pedal (57) and fourth link (58)；
Described column composition (2) includes two columns (23) arranged in parallel, two up gradient installing plates (22)
Being respectively perpendicular column upper end described in connection two, two gug installing plates (24) are respectively perpendicular column described in connection two
(23) lower end, described ratchet assembly (21) is located at two columns (23) top；
Described reset rocker shaft (32), the axis of guide (37) and reset arm (36) the most vertically set
On two columns (23)；Described reset rocker shaft (32) is embedded in the transverse holes on column (23) top,
With described reset rocking bar (31) to threaded outside column (23), multiple with described at column (23) inner chamber
Position rocker arm connecting rod (33), with threaded, forms assembly A；The rotating shaft of described reset arm (36) is embedded in column
(23), in lower, transverse hole, it is a cam-like structure inside column (23) outside, in column (23)
Chamber to threaded, forms assembly B with described reset arm connecting rod (35)；The described axis of guide (37) passes through spiral shell
Stricture of vagina is connected and fixed on column (23) middle part transverse holes, and in column (23) inner side, extension inserts described guiding
Described guide post (38) is clamped in the L-shaped hole of bar (38) and by bolt and back-up ring；Described column (23),
Assembly A, described reset drive link (34), assembly B by hinged formation by described reset rocking bar (31)
Input, is exported by the cam portion of described reset arm (36), changes guide post (38) and the axis of guide (37)
Relative position with the four-bar linkage in unlock/lock ramp；
Described folding ramp (5) one end is by column (23), institute described in two about described mandrel (1) connection
State drawstring (6) two ends and connect described ratchet assembly (21) and described first pedal (53) respectively.
The detrainment device of rail vehicle the most according to claim 1, it is characterised in that described reset is shaken
Bar (31), reset rocker arm connecting rod (33), reset drive link (34), reset arm connecting rod (35), guiding
Bar (37), first connecting rod (51), second connecting rod (52), third connecting rod (55) and fourth link (58)
It is stainless steel.
The detrainment device of rail vehicle the most according to claim 2, it is characterised in that described first steps on
Plate (53), the second pedal (54), the 3rd pedal (56) and the 4th pedal (57) surface are all with anti-skidding
Pad pasting.
The detrainment device of rail vehicle the most according to claim 3, it is characterised in that column described in two
(23) it is hollow steel pipe.
The detrainment device of rail vehicle the most according to claim 3, it is characterised in that two columns are long
80cm～110cm, described first pedal (53), the second pedal (54), the 3rd pedal (56) and the 4th
The width of pedal (57) is 50cm～120cm.
The detrainment device of rail vehicle the most according to claim 5, it is characterised in that described antivibrator
(4) it is hydraulic damper.
The detrainment device of rail vehicle the most according to claim 6, it is characterised in that between each connecting rod,
All with chain connection between each pedal.
The detrainment device of rail vehicle the most according to claim 6, it is characterised in that described drawstring (6)
For nylon knitting belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307939.7U CN205706681U (en) | 2016-04-13 | 2016-04-13 | The detrainment device of rail vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307939.7U CN205706681U (en) | 2016-04-13 | 2016-04-13 | The detrainment device of rail vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN205706681U true CN205706681U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307939.7U Active CN205706681U (en) | 2016-04-13 | 2016-04-13 | The detrainment device of rail vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521506A (en) * | 2017-09-30 | 2017-12-29 | 南京康尼机电股份有限公司 | A kind of pedal gear for the evacuation of urban rail transit vehicles emergency escape |
| CN107600090A (en) * | 2017-09-30 | 2018-01-19 | 南京康尼机电股份有限公司 | A kind of emergency escape escape ramp device of urban rail transit vehicles |
| CN107600089A (en) * | 2017-09-30 | 2018-01-19 | 南京康尼机电股份有限公司 | A kind of recovering mechanism of rail traffic vehicles emergency escape escape ramp |
| CN107697085A (en) * | 2017-09-30 | 2018-02-16 | 南京康尼机电股份有限公司 | A kind of rail traffic vehicles emergency escape escape ramp structure |
| CN109178000A (en) * | 2018-08-29 | 2019-01-11 | 中车南京浦镇车辆有限公司 | A kind of ramp-type emergency evacuation door |
| CN109664906A (en) * | 2017-10-16 | 2019-04-23 | 比亚迪股份有限公司 | Escape ladder and rail vehicle and Rail Transit System with it |
| CN110541527A (en) * | 2019-10-09 | 2019-12-06 | 五邑大学 | Folding wheelchair ramp based on traditional local use |
| CN113682332A (en) * | 2021-09-18 | 2021-11-23 | 中车大连机车车辆有限公司 | Covering cover for evacuation ladder |
| CN116750025A (en) * | 2023-05-16 | 2023-09-15 | 宁波市轨道交通集团有限公司 | B-type metro vehicle full-width pneumatic emergency safety device |
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| CN107600090B (en) * | 2017-09-30 | 2023-07-28 | 南京康尼机电股份有限公司 | Emergency escape and evacuation ramp device for urban rail transit vehicle |
| CN107600089B (en) * | 2017-09-30 | 2023-09-15 | 南京康尼机电股份有限公司 | Recovery mechanism of emergency escape evacuation ramp for rail transit vehicle |
| CN107600089A (en) * | 2017-09-30 | 2018-01-19 | 南京康尼机电股份有限公司 | A kind of recovering mechanism of rail traffic vehicles emergency escape escape ramp |
| CN107697085A (en) * | 2017-09-30 | 2018-02-16 | 南京康尼机电股份有限公司 | A kind of rail traffic vehicles emergency escape escape ramp structure |
| CN107697085B (en) * | 2017-09-30 | 2024-02-27 | 南京康尼机电股份有限公司 | Emergency escape and evacuation ramp structure for rail transit vehicle |
| CN107600090A (en) * | 2017-09-30 | 2018-01-19 | 南京康尼机电股份有限公司 | A kind of emergency escape escape ramp device of urban rail transit vehicles |
| CN107521506B (en) * | 2017-09-30 | 2023-10-31 | 南京康尼机电股份有限公司 | Pedal mechanism for emergency escape and evacuation of urban rail transit vehicle |
| CN107521506A (en) * | 2017-09-30 | 2017-12-29 | 南京康尼机电股份有限公司 | A kind of pedal gear for the evacuation of urban rail transit vehicles emergency escape |
| CN109664906A (en) * | 2017-10-16 | 2019-04-23 | 比亚迪股份有限公司 | Escape ladder and rail vehicle and Rail Transit System with it |
| WO2019076263A1 (en) * | 2017-10-16 | 2019-04-25 | 比亚迪股份有限公司 | Vehicle emergency ladder, rail vehicle having same, and rail transit system |
| CN109178000A (en) * | 2018-08-29 | 2019-01-11 | 中车南京浦镇车辆有限公司 | A kind of ramp-type emergency evacuation door |
| CN110541527A (en) * | 2019-10-09 | 2019-12-06 | 五邑大学 | Folding wheelchair ramp based on traditional local use |
| CN113682332A (en) * | 2021-09-18 | 2021-11-23 | 中车大连机车车辆有限公司 | Covering cover for evacuation ladder |
| CN116750025A (en) * | 2023-05-16 | 2023-09-15 | 宁波市轨道交通集团有限公司 | B-type metro vehicle full-width pneumatic emergency safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171102 Address after: 412000 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park II -A-02 No. 2 building and auxiliary building Patentee after: Zhuzhou nine party equipment driver technology Co., Ltd. Address before: 412000 Hunan Province, Zhuzhou Shifeng District Tianxin hi tech Park Patentee before: Zhuzhou Gofront Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right |