CN208843010U - A kind of tank car top guardrail - Google Patents
A kind of tank car top guardrail Download PDFInfo
- Publication number
- CN208843010U CN208843010U CN201821269424.8U CN201821269424U CN208843010U CN 208843010 U CN208843010 U CN 208843010U CN 201821269424 U CN201821269424 U CN 201821269424U CN 208843010 U CN208843010 U CN 208843010U
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- guardrail
- slot
- face
- buffer zone
- fixed
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Abstract
The utility model provides a kind of tank car top guardrail, including pedestal, tank body, guardrail mechanism and supplemental protective mechanism, the pedestal is arranged in tank body upper position, end face rear portion on the base is arranged in the guardrail mechanism, the guardrail mechanism includes vertical plate, snap-gauge, rotating bar, positioning bolt, cross bar, guardrail rack, engaging lug, elastic clip one, card slot and through slot, end face forward position on the base is arranged in the supplemental protective mechanism, the supplemental protective mechanism includes lower winding wheel, accommodating groove, Scroll, upper winding wheel, upper buffer zone, lower buffer zone, bracket, T-type sliding block, T-slot, telescopic rod, hollow stem, spring, groove, bayonet lock and card hole, compared with prior art, the utility model has the function of following the utility model has the advantages that realizing the quick fixed of guardrail rack and storing, also achieve protective range Adjustable function, increases protective range, and safety in utilization is good.
Description
Technical field
The utility model is a kind of tank car top guardrail, belongs to harmful influence transport vehicle accessories field.
Background technique
Tank car top guardrail in the prior art is mostly fixed structure, and flexibility in use is not high, while occupied space is big；It is existing
There is the tank car top guardrail protective range in technology limited, protective range can not increase, and safety in utilization is bad, so being badly in need of wanting
A kind of tank car top guardrail solves the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of tank car top guardrail, on solving
State the problem of proposing in background technique.
To achieve the goals above, the utility model is achieved through the following technical solutions: being protected at the top of a kind of tank car
Column, including pedestal, tank body, guardrail mechanism and supplemental protective mechanism, the pedestal are arranged in tank body upper position, the guardrail
End face rear portion, the guardrail mechanism include vertical plate, snap-gauge, rotating bar, positioning bolt, cross bar, guardrail on the base for mechanism setting
End face forward position on the base, institute is arranged in frame, engaging lug, elastic clip one, card slot and through slot, the supplemental protective mechanism
Stating supplemental protective mechanism includes lower winding wheel, accommodating groove, Scroll, upper winding wheel, upper buffer zone, lower buffer zone, bracket, T-type
Sliding block, T-slot, telescopic rod, hollow stem, spring, groove, bayonet lock and card hole.
Further, in the guardrail mechanism, the vertical plate is fixed on pedestal upper surface rear positions, and the snap-gauge is solid
It is scheduled on rotating bar front end face, the rotating bar is mounted on guardrail rack front end face lower part, and the positioning bolt is arranged on vertical plate
In the middle part of end face, the cross bar is fixed on guardrail rack upper surface, and the guardrail rack is mounted on medium position in engaging lug, the company
Lug is welded on vertical plate trailing flank lower part, and the elastic clip one is fixed on pedestal trailing flank, and the card slot is provided with vertical plate
Front end face, and card slot rear end is connected with through slot, the through slot is provided with vertical plate front end face medium position.
Further, the rotating bar is connected by bearing with guardrail rack leading flank, is opened in the middle part of the vertical plate upper surface
Equipped with threaded hole, the positioning bolt is mounted in threaded hole, and the guardrail rack is connected by shaft with engaging lug, the card
Slot and through slot are arranged on vertical plate leading flank in 90 ° of angles, in actual use, push up guardrail rack, guardrail rack is by enclosing
It is rotated up in engaging lug around the shaft, guardrail rack, which is rotated up, drives rotating bar and snap-gauge to move up, then by snap-gauge
Across through slot, after snap-gauge passes through through slot, snap-gauge is rotated, snap-gauge drives rotating bar rotation, after snap-gauge rotates 90 °, stops turning
Dynamic snap-gauge, and snap-gauge is caught in card slot, positioning bolt is then turned, positioning bolt rotates in threaded hole, and moves down,
After positioning bolt lower end and rotating bar fit closely, rotating bar is fixed in through slot by positioning bolt, and then guardrail rack is consolidated
It is fixed, to realize the quick fixed function of guardrail rack.
Further, elastic clip two, the elastic clip are installed on the pedestal rear end face in one left side of elastic clip
Piece one is identical as two specification of elastic clip, in actual use, when not needing using guardrail rack, pushes down on guardrail rack, shield
Column frame rotates down in engaging lug around shaft, and guardrail rack is moved to position between elastic clip one and elastic clip two
When, continue to push down on guardrail rack, guardrail rack squeezes elastic clip one and elastic clip two, elastic clip one and bullet simultaneously
Deformation occurs for property intermediate plate two, after guardrail rack is completely into elastic clip one and elastic clip two, elastic clip one and bullet
Property intermediate plate two fixes guardrail rack under rebound effect, to realize the storage function of guardrail rack.
Further, in the supplemental protective mechanism, the lower winding wheel and upper winding wheel are symmetricly set on Scroll
In annular side, the accommodating groove is provided with guardrail rack leading flank top, and the Scroll is mounted on middle part in accommodating groove, described
Upper buffer zone rear end is fixed on winding wheel, and the lower buffer zone rear end is fixed on lower winding wheel, and the bracket is fixed on
On upper buffer zone and lower buffer zone front end face, the T-type sliding block is fixed on bracket front end face, and the T-slot is provided with flexible
On bar trailing flank, the telescopic rod is mounted in hollow stem, and the hollow stem is embedded in pedestal upper surface front, and the spring is solid
It is scheduled in groove on rear end face, the groove is provided with telescopic rod leading flank lower part, and the bayonet lock is fixed on spring at front end, described
Card hole is provided with anterior end of hollow bar face upper position.
Further, the Scroll is connected by ball bearing with accommodating groove, in actual use, is pulled up first
Dynamic telescopic rod, telescopic rod move up in hollow stem, and simultaneous retractable bar, which moves up, drives bayonet lock to move up, while bayonet lock
Spring is squeezed, makes spring that flexible deformation occur, when bayonet lock is moved to card hole position, bayonet lock is under spring force effect, by card
Pin heads into card hole, and then telescopic rod is fixed in hollow stem by bayonet lock, and then operating personnel pulls bracket, and bracket, which pulls, to be prevented
Protecting band and lower buffer zone, and then upper buffer zone drives upper winding wheel rotation, lower buffer zone drives lower winding wheel rotation, and then band
Dynamic Scroll rotates in accommodating groove, and when bracket is moved to telescopic rod position, the T-type sliding block on bracket is inserted into T-slot,
And then bracket is fixed on telescopic rod, and then upper buffer zone and lower buffer zone increase protective range, improves present apparatus use
When safety.
Further, the Scroll is connected by torque spring with accommodating groove, and in actual use, operating personnel draws
Dynamic bracket, bracket pulls upper buffer zone and lower buffer zone, and then upper buffer zone drives upper winding wheel rotation, and lower buffer zone drives
Lower winding wheel rotation, and then Scroll is driven to rotate in accommodating groove, Scroll rotation drives torque spring, and deformation occurs, then
T-type sliding block is inserted into T-slot, and then bracket is fixed on telescopic rod, while Scroll is drawn under torque spring rebound effect
Tightly upper buffer zone and lower buffer zone separate T-type sliding block with T-slot when not needing using upper buffer zone and lower buffer zone,
Then under torque spring rebound effect, Scroll revolution is driven, Scroll revolution drives upper winding wheel and lower winding wheel
Revolution, upper winding wheel collect upper buffer zone, and lower winding wheel collects lower buffer zone, to realize buffer zone and lower protection
The quick collecting function of band.
The utility model has the beneficial effects that a kind of tank car top guardrail of the utility model, because the utility model is added to
Vertical plate, snap-gauge, rotating bar, positioning bolt, cross bar, guardrail rack, engaging lug, elastic clip one, card slot and through slot, realize shield
The quick fixed and storage function of column frame.
Because the utility model be added to lower winding wheel, accommodating groove, Scroll, upper winding wheel, upper buffer zone, lower buffer zone,
Bracket, T-type sliding block, T-slot, telescopic rod, hollow stem, spring, groove, bayonet lock and card hole, realizing protective range can Power Regulation
Can, protective range is increased, safety in utilization is good.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of tank car top guardrail of the utility model；
Fig. 2 is the right view diagrammatic cross-section of guardrail mechanism in a kind of tank car top guardrail of the utility model；
Fig. 3 is the assembling structure schematic diagram of snap-gauge and card slot in a kind of tank car top guardrail of the utility model；
Fig. 4 is the structural schematic diagram of supplemental protective mechanism in a kind of tank car top guardrail of the utility model；
Fig. 5 is enlarged diagram at the A of supplemental protective mechanism in a kind of tank car top guardrail of the utility model；
In figure: 1- guardrail mechanism, 2- supplemental protective mechanism, 3- pedestal, 4- tank body, 101- vertical plate, 102- snap-gauge, 103- turn
Lever, 104- positioning bolt, 105- cross bar, 106- guardrail rack, 107- engaging lug, 108- elastic clip one, 109- card slot, 110-
It is protected under winding wheel, 202- accommodating groove, 203- Scroll, the upper winding wheel of 204-, the upper buffer zone of 205-, 206- under through slot, 201-
Band, 207- bracket, 208-T type sliding block, 209-T type groove, 210- telescopic rod, 211- hollow stem, 212- spring, 213- groove,
214- bayonet lock, 215- card hole.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of tank car top guardrail, including pedestal 3,
Tank body 4, guardrail mechanism 1 and supplemental protective mechanism 2, the setting of pedestal 3 are arranged in 4 upper position of tank body, guardrail mechanism 1 in pedestal
3 upper surfaces rear portion, guardrail mechanism 1 include vertical plate 101, snap-gauge 102, rotating bar 103, positioning bolt 104, cross bar 105, guardrail rack
106, engaging lug 107, elastic clip 1, card slot 109 and through slot 110, supplemental protective mechanism 2 are arranged in 3 upper surface of pedestal
Forward position, supplemental protective mechanism 2 include lower winding wheel 201, accommodating groove 202, Scroll 203, upper winding wheel 204, upper protection
It is band 205, lower buffer zone 206, bracket 207, T-type sliding block 208, T-slot 209, telescopic rod 210, hollow stem 211, spring 212, recessed
Slot 213, bayonet lock 214 and card hole 215.
In guardrail mechanism 1, vertical plate 101 is fixed on 3 upper surface rear positions of pedestal, and snap-gauge 102 is fixed on rotating bar 103
On front end face, rotating bar 103 is mounted on 106 front end face lower part of guardrail rack, and positioning bolt 104 is arranged in 101 upper surface of vertical plate
Portion, cross bar 105 are fixed on 106 upper surface of guardrail rack, and guardrail rack 106 is mounted on medium position in engaging lug 107, engaging lug
107 are welded on 101 trailing flank lower part of vertical plate, and elastic clip 1 is fixed on 3 trailing flank of pedestal, and card slot 109 is provided with vertical plate
101 front end faces, and 109 rear end of card slot is connected with through slot 110, through slot 110 is provided with 101 front end face medium position of vertical plate.
In supplemental protective mechanism 2, lower winding wheel 201 is symmetricly set on 203 annular side of Scroll with upper winding wheel 204
On, accommodating groove 202 is provided with 106 leading flank top of guardrail rack, and Scroll 203 is mounted on middle part, upper buffer zone in accommodating groove 202
205 rear ends are fixed on winding wheel 204, and lower 206 rear end of buffer zone is fixed on lower winding wheel 201, and bracket 207 is fixed on
On buffer zone 205 and lower 206 front end face of buffer zone, T-type sliding block 208 is fixed on 207 front end face of bracket, and T-slot 209 is provided with
On 210 trailing flank of telescopic rod, telescopic rod 210 is mounted in hollow stem 211, and hollow stem 211 is embedded in 3 upper surface front of pedestal,
Spring 212 is fixed in groove 213 on rear end face, and groove 213 is provided with 210 leading flank lower part of telescopic rod, and bayonet lock 214 is fixed on
212 front end of spring, card hole 215 are provided with 211 front end face upper position of hollow stem.
One embodiment as the utility model: rotating bar 103 is connected by bearing with 106 leading flank of guardrail rack,
Threaded hole is offered in the middle part of 101 upper surface of vertical plate, positioning bolt 104 is mounted in threaded hole, and guardrail rack 106 passes through shaft and company
Lug 107 is connected, and card slot 109 and through slot 110 are arranged on 101 leading flank of vertical plate in 90 ° of angles, in actual use, to
Upper promotion guardrail rack 106, by being rotated up in engaging lug 107 around shaft, guardrail rack 106 is rotated up guardrail rack 106
It drives rotating bar 103 and snap-gauge 102 to move up, snap-gauge 102 is then passed through into through slot 110, when snap-gauge 102 passes through through slot
After 110, snap-gauge 102 is rotated, snap-gauge 102 drives rotating bar 103 to rotate, and after snap-gauge 102 rotates 90 °, stop operating snap-gauge
102, and snap-gauge 102 is caught in card slot 109, positioning bolt 104 is then turned, positioning bolt 104 rotates in threaded hole, and
It moves down, after 104 lower end of positioning bolt is fitted closely with rotating bar 103, rotating bar 103 is fixed on by positioning bolt 104
In through slot 110, so guardrail rack 106 is fixed, to realize the quick fixed function of guardrail rack 106.
One embodiment as the utility model: it is installed on 3 rear end face of pedestal in one 108 left side of elastic clip flexible
Intermediate plate two, elastic clip 1 is identical as two specification of elastic clip, in actual use, when not needing using guardrail rack 106
When, guardrail rack 106 is pushed down on, guardrail rack 106 rotates down in engaging lug 107 around shaft, guardrail rack 106 is moved to
Between elastic clip 1 and elastic clip two when position, continue to push down on guardrail rack 106, guardrail rack 106 squeezes bullet simultaneously
Property intermediate plate 1 and elastic clip two, deformation occurs for elastic clip 1 and elastic clip two, when guardrail rack 106 is complete
After in into elastic clip 1 and elastic clip two, elastic clip 1 will under rebound effect with elastic clip two
Guardrail rack 106 is fixed, to realize the storage function of guardrail rack 106.
One embodiment as the utility model: Scroll 203 is connected by ball bearing with accommodating groove 202,
In actual use, telescopic rod 210 is pulled up first, and telescopic rod 210 moves up in hollow stem 211, simultaneous retractable bar 210
It moves up and bayonet lock 214 is driven to move up, while bayonet lock 214 squeezes spring 212, make spring 212 that flexible deformation occur, work as card
When pin 214 is moved to 215 position of card hole, bayonet lock 214 heads into bayonet lock 214 in card hole 215 under the effect of 212 elastic force of spring, into
And telescopic rod 210 is fixed in hollow stem 211 by bayonet lock 214, then operating personnel pulls bracket 207, and bracket 207, which pulls, to be prevented
Protecting band 205 and lower buffer zone 206, and then upper buffer zone 205 drives upper winding wheel 204 to rotate, lower buffer zone 206 drives lower receive
Rolling wheel 201 rotates, and then Scroll 203 is driven to rotate in accommodating groove 202, when bracket 207 is moved to 210 position of telescopic rod
When, the T-type sliding block 208 on bracket 207 is inserted into T-slot 209, and then bracket 207 is fixed on telescopic rod 210, Jin Ershang
Buffer zone 205 and lower buffer zone 206 increase protective range, improve safety when the present apparatus uses.
One embodiment as the utility model: Scroll 203 is connected by torque spring 212 with accommodating groove 202,
In actual use, operating personnel pulls bracket 207, and bracket 207 pulls upper buffer zone 205 and lower buffer zone 206, Jin Ershang
Buffer zone 205 drives upper winding wheel 204 to rotate, and lower buffer zone 206 drives lower winding wheel 201 to rotate, and then drives Scroll 203
It is rotated in accommodating groove 202, the rotation of Scroll 203 drives torque spring 212, and deformation occurs, and T-type sliding block 208 is then inserted into T
In type groove 209, and then bracket 207 is fixed on telescopic rod 210, while Scroll 203 is under 212 rebound effect of torque spring,
Buffer zone 205 and lower buffer zone 206 in tension are sliding by T-type when not needing using upper buffer zone 205 with lower buffer zone 206
Block 208 is separated with T-slot 209, then under 212 rebound effect of torque spring, drives Scroll 203 to turn round, Scroll 203
Revolution drives upper winding wheel 204 and lower winding wheel 201 to turn round, and upper winding wheel 204 collects upper buffer zone 205, lower winding wheel
201 collect lower buffer zone 206, to realize the quick collecting function of buffer zone 205 Yu lower buffer zone 206.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of tank car top guardrail, including pedestal, tank body, guardrail mechanism and supplemental protective mechanism, it is characterised in that: described
Pedestal setting is in tank body upper position, guardrail mechanism setting end face rear portion on the base, the guardrail mechanism include vertical plate,
Snap-gauge, rotating bar, positioning bolt, cross bar, guardrail rack, engaging lug, elastic clip one, card slot and through slot, the supplemental protective
End face forward position, the supplemental protective mechanism include lower winding wheel, accommodating groove, Scroll, upper receipts on the base for mechanism setting
Rolling wheel, upper buffer zone, lower buffer zone, bracket, T-type sliding block, T-slot, telescopic rod, hollow stem, spring, groove, bayonet lock and card
Hole.
2. a kind of tank car top guardrail according to claim 1, it is characterised in that: described vertical in the guardrail mechanism
Plate is fixed on pedestal upper surface rear positions, and the snap-gauge is fixed on rotating bar front end face, and the rotating bar is mounted on guardrail
Frame front end face lower part, the positioning bolt are arranged in the middle part of vertical plate upper surface, and the cross bar is fixed on guardrail rack upper surface, institute
It states guardrail rack and is mounted on medium position in engaging lug, the engaging lug is welded on vertical plate trailing flank lower part, the elastic clip one
It is fixed on pedestal trailing flank, the card slot is provided with vertical plate front end face, and card slot rear end is connected with through slot, and the through slot is opened
It is located at vertical plate front end face medium position.
3. a kind of tank car top guardrail according to claim 2, it is characterised in that: the rotating bar passes through bearing and guardrail
Frame leading flank is connected, and offers threaded hole in the middle part of the vertical plate upper surface, the positioning bolt is mounted in threaded hole, described
Guardrail rack is connected by shaft with engaging lug, and the card slot and through slot are arranged on vertical plate leading flank in 90 ° of angles.
4. a kind of tank car top guardrail according to claim 2, it is characterised in that: the pedestal in one left side of elastic clip
Elastic clip two is installed, the elastic clip one is identical as two specification of elastic clip on rear end face.
5. a kind of tank car top guardrail according to claim 1, it is characterised in that: in the supplemental protective mechanism, institute
It states lower winding wheel and upper winding wheel is symmetricly set in Scroll annular side, the accommodating groove is provided on guardrail rack leading flank
Portion, the Scroll are mounted on middle part, the upper buffer zone rear end in accommodating groove and are fixed on winding wheel, the lower buffer zone
Rear end is fixed on lower winding wheel, and the bracket is fixed on buffer zone and lower buffer zone front end face, and the T-type sliding block is fixed
On bracket front end face, the T-slot is provided on telescopic rod trailing flank, and the telescopic rod is mounted in hollow stem, it is described in
Empty bar is embedded in pedestal upper surface front, and the spring is fixed in groove on rear end face, before the groove is provided with telescopic rod
Side lower, the bayonet lock are fixed on spring at front end, and the card hole is provided with anterior end of hollow bar face upper position.
6. a kind of tank car top guardrail according to claim 5, it is characterised in that: the Scroll by ball bearing with
Accommodating groove is connected.
7. a kind of tank car top guardrail according to claim 5, it is characterised in that: the Scroll by torque spring with
Accommodating groove is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269424.8U CN208843010U (en) | 2018-08-08 | 2018-08-08 | A kind of tank car top guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821269424.8U CN208843010U (en) | 2018-08-08 | 2018-08-08 | A kind of tank car top guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208843010U true CN208843010U (en) | 2019-05-10 |
Family
ID=66355347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821269424.8U Active CN208843010U (en) | 2018-08-08 | 2018-08-08 | A kind of tank car top guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208843010U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969078A (en) * | 2023-09-22 | 2023-10-31 | 靖江市亚泰物流装备有限公司 | Tank container handrail operated on ground |
-
2018
- 2018-08-08 CN CN201821269424.8U patent/CN208843010U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969078A (en) * | 2023-09-22 | 2023-10-31 | 靖江市亚泰物流装备有限公司 | Tank container handrail operated on ground |
| CN116969078B (en) * | 2023-09-22 | 2023-12-08 | 靖江市亚泰物流装备有限公司 | Tank container handrail operated on ground |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Top guardrail of tank truck Effective date of registration: 20191022 Granted publication date: 20190510 Pledgee: China Everbright Bank Zhongshan branch Pledgor: GUANGDONG DELIGENT LOGISTICS Co.,Ltd. Registration number: Y2019980000284 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201216 Granted publication date: 20190510 Pledgee: China Everbright Bank Zhongshan branch Pledgor: GUANGDONG DELIGENT LOGISTICS Co.,Ltd. Registration number: Y2019980000284 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of tank car top guard rail Effective date of registration: 20201229 Granted publication date: 20190510 Pledgee: China Everbright Bank Zhongshan branch Pledgor: GUANGDONG DELIGENT LOGISTICS Co.,Ltd. Registration number: Y2020980010017 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221114 Granted publication date: 20190510 Pledgee: China Everbright Bank Zhongshan branch Pledgor: GUANGDONG DELIGENT LOGISTICS Co.,Ltd. Registration number: Y2020980010017 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |