CN111827176A - Warning reminding guardrail for road accident occurrence based on object inertia principle - Google Patents
Warning reminding guardrail for road accident occurrence based on object inertia principle Download PDFInfo
- Publication number
- CN111827176A CN111827176A CN202010627965.9A CN202010627965A CN111827176A CN 111827176 A CN111827176 A CN 111827176A CN 202010627965 A CN202010627965 A CN 202010627965A CN 111827176 A CN111827176 A CN 111827176A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rubber sleeve
- guardrail
- principle
- warning
- 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- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
Abstract
The invention relates to the technical field of road administration guardrails and discloses a warning and reminding guardrail for road accidents based on the principle of object inertia. Through the increase of the distance of the vibration source, the total distance that the rubber sleeve removed at vertical pole reduces to can obtain that every arc sheetmetal is different with the metal block contact position, through the difference of arc sheetmetal and metal block contact position, the degree that the warning light lights on the lamp stand is different, thereby reaches the distance of reminding driver's occurence of failure distance, and the problem that the occurence of failure distance can not be indicateed to current road administration guardrail function singleness has been solved to this structure.
Description
Technical Field
The invention relates to the technical field of road administration guardrails, in particular to a warning reminding guardrail for road accidents based on the principle of object inertia.
Background
Transportation is divided into transportation in the production process and transportation in the circulation process in social production. The traffic production activities are to realize the displacement and information transmission of people and objects, traffic roads are more and more constructed and traffic automobiles are more and more common along with the development of the society of people, so that traffic accidents are rapidly increased, generally, the traffic accidents are the reasons of the psychology or physiology of personnel, and the external objects are not correctly observed and judged, so that the energy is dispersed, the reaction is slow, and the phenomena of untidy observation, untimely measures or improper measures are presented. The technology that the client judges the affairs or overestimates the client by depending on the client's subjective imagination is over confidence, and the client passes through the traffic blindly without clear judgment on the shapes of front and left and right vehicles, pedestrians, road conditions and the like.
In order to prevent further amplification of the damage of traffic accidents, at present, a road administration guardrail is generally arranged in the middle of a traffic road, on one hand, a vehicle with a higher speed is decelerated, on the other hand, the vehicle with the higher speed is prevented from running on a relative reverse running road, so that the influence on the life safety of a driver due to the fact that the vehicles with the relative speeds have larger collision is avoided, but the existing road administration guardrail has too single function and cannot remind the front and the rear vehicles, so that the coming vehicle and the vehicle with the accidents further collide for the second time; in addition, the distance between the accident and the place where the accident occurs cannot be judged according to the warning lamp, and in order to solve the problem, a warning reminding guardrail for the road accident occurrence based on the principle of object inertia is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the warning reminding guardrail for the road accident occurrence based on the principle of object inertia, which has the advantages of avoiding the secondary occurrence of the traffic accident and being capable of reminding the distance of the accident occurrence, and solves the problems that the existing road administration guardrail is easy to cause the secondary occurrence of the traffic accident and has single function and cannot remind the distance of the accident occurrence.
(II) technical scheme
In order to achieve the purposes of avoiding the secondary occurrence of traffic accidents and prompting the accident occurrence distance, the invention provides the following technical scheme: a warning and reminding guardrail for road accidents based on the principle of object inertia comprises a base, wherein a stand column is fixedly connected to the upper end of the base, slots are formed in the upper portion and the lower portion of the stand column, a solar panel is arranged at the top of the stand column, lamp holders are fixedly connected to the front side and the rear side of the upper portion of the stand column, warning lamps are arranged on the left side and the right side of the lamp holder, an electric storage device is fixedly connected to the lower side of the inner portion of the stand column, a lead is arranged on the upper portion of the electric storage device, a cross rod is inserted in the slots in the inner portion of the stand column, partition plates are fixedly connected to the upper portion of the stand column at the positions of the slots, a vertical rod is fixedly connected between the partition plates, a positioning block is arranged on the lower portion of the vertical rod, a metal block is arranged on the right side, the left end fixedly connected with connecting block of first spring, the lower extreme fixedly connected with connecting rod of joint block, the lower extreme fixedly connected with disc of connecting rod, the lower extreme fixedly connected with magnetic ring of rubber sleeve, the upper portion right-hand member fixedly connected with backup pad of rubber sleeve, the left end fixedly connected with second spring of backup pad, the left end fixedly connected with arc piece of second spring, the left end fixedly connected with of arc piece corresponds with the sheetmetal.
Preferably, the magnetic poles of the magnetic field generated by the coil are the same as the magnetic poles of the magnetic ring on the opposite surface, so that the magnetic field generated by the coil is ensured to push the magnetic ring to drive the rubber sleeve to reset.
Preferably, the inner diameter of the magnetic ring is larger than that of the rubber sleeve, so that the rubber sleeve is prevented from deforming in the moving process, and the magnetic ring is further prevented from colliding with the vertical rod.
Preferably, the distance from the inner wall of the supporting plate to the vertical rod is greater than the distance from the inner wall of the magnetic ring to the vertical rod, so that a buffer distance is ensured to exist between the second spring and the arc-shaped block which are arranged on the supporting plate and the vertical rod.
Preferably, the arc-shaped metal sheet corresponds to the arc surfaces of the vertical rod and the metal block.
Preferably, the right upper side of the rubber sleeve is provided with a mounting groove corresponding to the second spring and the arc-shaped block.
(III) advantageous effects
Compared with the prior art, the invention provides the warning and reminding guardrail for the road accident based on the principle of object inertia, and the warning and reminding guardrail has the following beneficial effects:
1. this highway occurence of failure reminds guardrail with warning based on object inertia principle, disc vibration on the stand through collision department left and right sides, the disc passes through the connecting block, the connecting rod horizontal hunting on first spring, at this moment, first spring stimulates the rubber sleeve to warp when the swing of left side, before the rubber sleeve has not yet recovered deformation, first spring is to having the swing, at this moment, the inside loose of rubber sleeve, the rubber sleeve moves a segment distance from top to bottom on vertical pole, through arc sheetmetal and metal block contact, the warning light intercommunication on the lamp stand is lighted, current road administration guardrail has been solved to this structure and has been led to the problem of the secondary emergence of traffic accident easily
2. This highway occurence of failure reminds guardrail with warning based on object inertia principle, vibrate through the disc always until the rubber sleeve warp in the twinkling of an eye and the friction of vertical pole equals its whole gravity, and along with the distance increase of the source of shaking, the rubber sleeve reduces at the total distance that vertical pole removed, thereby can obtain every arc sheetmetal and metal block contact position different, through the difference of arc sheetmetal and metal block contact position, the degree that the warning light shines on the lamp stand is different, thereby reach the distance of reminding the driver occurence of failure distance, current road administration guardrail function singleness can not indicate the problem of occurence of failure distance has been solved to this structure.
3. This highway accident takes place to remind guardrail with warning based on object inertia principle, accomplishes the processing of traffic accident through traffic personnel, and power storage device passes through the electric power that solar panel stored and switches on the coil, and the magnetic field that the coil produced promotes the relevant whole mechanism of rubber sleeve and resets, and this structure has practiced thrift electric power and has guaranteed that next work is used.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural diagram of the front side of the column of the present invention;
FIG. 3 is a cross-sectional view of the structure of FIG. 2 taken along line A-A;
FIG. 4 is a front cross-sectional view of an inventive vertical pole related structure;
FIG. 5 is an enlarged view of the structure of FIG. 4 at B according to the present invention;
fig. 6 is an enlarged view of the structure of fig. 5 at C.
In the figure: 1 base, 2 stands, 201 slot, 202 solar panel, 3 lamp holders, 301 warning light, 4 power storage device, 401 wire, 5 horizontal poles, 6 baffles, 7 vertical poles, 701 locating piece, 702 metal block, 8 coils, 9 rubber sleeve, 10 first spring, 11 connecting block, 12 connecting rods, 13 discs, 14 magnetic ring, 15 backup pad, 16 second spring, 17 arc piece, 1701 arc sheet metal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-6, a warning reminding guardrail for road accident occurrence based on object inertia principle, comprising a base 1, a stand column 2 fixedly connected to the upper end of the base 1, slots 201 are provided on the upper and lower parts of the stand column 2, a solar panel 202 is provided on the top of the stand column 2, lamp holders 3 are fixedly connected to the front and rear sides of the upper part of the stand column 2, warning lamps 301 are provided on the left and right sides of the lamp holders 3, an electric storage device 4 is fixedly connected to the inner lower side of the stand column 2, a wire 401 is provided on the upper part of the electric storage device 4, a cross rod 5 is inserted into the slot 201 inside the stand column 2, a partition plate 6 is fixedly connected to the slot 201 on the upper part of the stand column 2, a vertical rod 7 is fixedly connected between the partition plates 6, a positioning block 701 is provided on the lower part of the vertical rod 7, a metal block 702 is.
The middle of the vertical rod 7 is provided with a rubber sleeve 9 outside the metal block 702, the left end of the rubber sleeve 9 is fixedly connected with a first spring 10, the left end of the first spring 10 is fixedly connected with a connecting block 11, the lower end of the connecting block 11 is fixedly connected with a connecting rod 12, the lower end of the connecting rod 12 is fixedly connected with a disc 13, the lower end of the rubber sleeve 9 is fixedly connected with a magnetic ring 14, the magnetic pole of the magnetic field generated by the coil 8 is the same as the magnetic pole of the magnetic ring 14 on the opposite surface, and therefore it is ensured that the magnetic field generated by the coil 8 pushes the magnetic ring. The inner diameter of the magnetic ring 14 is larger than that of the rubber sleeve 9, so that deformation of the rubber sleeve 9 in the moving process is avoided, and further collision between the magnetic ring 14 and the vertical rod 7 is avoided. The upper portion right-hand member fixedly connected with backup pad 15 of rubber sleeve 9, the left end fixedly connected with second spring 16 of backup pad 15, the left end fixedly connected with arc piece 17 of second spring 16, the left end fixedly connected with arc sheetmetal 1701 that corresponds with metal block 702 of arc piece 17, backup pad 15 inner wall is greater than the distance of magnetic ring 14 inner wall to vertical pole 7 to the distance of vertical pole 7, thereby guarantee to install and have buffer distance between second spring 16 and arc piece 17 of backup pad 15 and vertical pole 7, arc sheetmetal 1701 is corresponding with the cambered surface of vertical pole 7 and metal block 702, the upper right side of rubber sleeve 9 is provided with the mounting groove that corresponds with second spring 16 and arc piece 17.
The working principle is as follows: this highway accident takes place to remind guardrail with warning based on object inertia principle, in operation, when vehicle and road administration guardrail bump, the stand 2 of bump department produces violent vibration when the buffering, at this moment, disc 13 on the stand 2 of the both sides of bump department vibrates, disc 13 passes through connecting block 11, connecting rod 12 is the horizontal hunting on first spring 10, at this moment, first spring 10 stimulates rubber sleeve 9 to warp when the lateral hunting left, before rubber sleeve 9 has not yet recovered the deformation, first spring 10 is to having the swing, at this moment, the inside loose of rubber sleeve 9, rubber sleeve 9 moves a segment distance up and down at vertical pole 7, contact with metal block 702 through arc sheetmetal 1701, warning light 301 intercommunication on the lamp stand 3 is lighted, this structure has solved current road administration guardrail and has leaded to the problem of the secondary emergence of traffic accident easily
Vibrate through disc 13 always until the instant of rubber sleeve 9 deformation equals its whole gravity with the friction of vertical pole 7, and increase along with the distance of the vibration source, the total distance that rubber sleeve 9 removed at vertical pole 7 reduces, thereby can obtain every arc sheetmetal 1701 different with metal block 702 contact position, through arc sheetmetal 1701 different with metal block 702 contact position, the degree that warning light 301 lights on the lamp stand 3 is different, thereby reach the far and near who reminds driver's occurence of failure apart from, the problem that current road administration guardrail function singleness can not indicate the occurence of failure apart from has been solved to this structure.
The traffic accident is processed by traffic workers, the electric power stored by the solar panel 202 is used for electrifying the coil 8 by the electric power storage device 4, the magnetic field generated by the coil 8 pushes the rubber sleeve 9 to reset relative to the whole mechanism, and the structure saves the electric power and ensures the next work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a highway accident takes place with warning and reminds guardrail based on object inertia principle, includes base (1), its characterized in that: the solar energy storage lamp is characterized in that a stand column (2) is fixedly connected to the upper end of a base (1), slots (201) are formed in the upper portion and the lower portion of the stand column (2), a solar panel (202) is arranged at the top of the stand column (2), lamp holders (3) are fixedly connected to the front side and the rear side of the upper portion of the stand column (2), warning lamps (301) are arranged on the left side and the right side of each lamp holder (3), an electric storage device (4) is fixedly connected to the lower side of the inner portion of the stand column (2), a lead (401) is arranged on the upper portion of the electric storage device (4), a cross rod (5) is inserted into each slot (201) in the inner portion of the stand column (2), partition plates (6) are fixedly connected to the upper portion of the stand column (2) at the positions of the slots (201), vertical rods (7) are, the coil (801) corresponding to the lead (401) is arranged on the outer side of the lower end of the vertical rod (7), a rubber sleeve (9) is arranged in the middle of the vertical rod (7) and on the outer side of the metal block (702), a first spring (10) is fixedly connected to the left end of the rubber sleeve (9), a connecting block (11) is fixedly connected to the left end of the first spring (10), a connecting rod (12) is fixedly connected to the lower end of the connecting block (11), a disc (13) is fixedly connected to the lower end of the connecting rod (12), a magnetic ring (14) is fixedly connected to the lower end of the rubber sleeve (9), a supporting plate (15) is fixedly connected to the right end of the upper portion of the rubber sleeve (9), a second spring (16) is fixedly connected to the left end of the supporting plate (15), an arc-shaped block (17) is fixedly connected to the left end of the second spring (16), and an.
2. The warning guardrail for road accident occurrence based on the principle of object inertia as claimed in claim 1, wherein: the magnetic poles of the magnetic field generated by the coil (8) are the same as the magnetic poles of the magnetic ring (14) on the opposite surface.
3. The warning guardrail for road accident occurrence based on the principle of object inertia as claimed in claim 1, wherein: the inner diameter of the magnetic ring (14) is larger than that of the rubber sleeve (9).
4. The warning guardrail for road accident occurrence based on the principle of object inertia as claimed in claim 1, wherein: the distance from the inner wall of the supporting plate (15) to the vertical rod (7) is greater than the distance from the inner wall of the magnetic ring (14) to the vertical rod (7).
5. The warning guardrail for road accident occurrence based on the principle of object inertia as claimed in claim 1, wherein: the arc-shaped metal sheet (1701) corresponds to the arc surfaces of the vertical rod (7) and the metal block (702).
6. The warning guardrail for road accident occurrence based on the principle of object inertia as claimed in claim 1, wherein: the right upper part of the rubber sleeve (9) is provided with a mounting groove corresponding to the second spring (16) and the arc block (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010627965.9A CN111827176A (en) | 2020-07-01 | 2020-07-01 | Warning reminding guardrail for road accident occurrence based on object inertia principle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010627965.9A CN111827176A (en) | 2020-07-01 | 2020-07-01 | Warning reminding guardrail for road accident occurrence based on object inertia principle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111827176A true CN111827176A (en) | 2020-10-27 |
Family
ID=72901018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010627965.9A Withdrawn CN111827176A (en) | 2020-07-01 | 2020-07-01 | Warning reminding guardrail for road accident occurrence based on object inertia principle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111827176A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112813887A (en) * | 2021-03-09 | 2021-05-18 | 湖州力卓机械设备技术开发有限公司 | Mountain area is anticollision mound for bend |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205444043U (en) * | 2016-03-31 | 2016-08-10 | 张利民 | Highway barrier of built -in sensitive alarm |
CN206298852U (en) * | 2016-11-30 | 2017-07-04 | 长安大学 | A kind of crash barrier for roads |
CN207130619U (en) * | 2017-07-26 | 2018-03-23 | 赵青秀 | A kind of municipal Bridge guardrail |
CN107974976A (en) * | 2017-12-29 | 2018-05-01 | 嘉善精田精密机械制造有限公司 | A kind of municipal traffic greening and environmental protection guardrail |
CN108221770A (en) * | 2018-01-30 | 2018-06-29 | 重庆穗丰汽车救援有限公司 | Safe barrier is isolated in road |
CN208039108U (en) * | 2018-03-24 | 2018-11-02 | 诸暨掌云网络科技有限公司 | A kind of novel traffic guardrail |
CN109958079A (en) * | 2017-05-01 | 2019-07-02 | 成都爱可信科技有限公司 | A kind of type highway barrier capable of automatic alarm |
CN209669756U (en) * | 2018-12-07 | 2019-11-22 | 台州大顺建设有限公司 | A kind of municipal guardrail with warning function |
CN111101440A (en) * | 2019-12-31 | 2020-05-05 | 西安宝鑫自动化设备有限公司 | Take warning function's public road bridge roof beam buffer stop |
-
2020
- 2020-07-01 CN CN202010627965.9A patent/CN111827176A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205444043U (en) * | 2016-03-31 | 2016-08-10 | 张利民 | Highway barrier of built -in sensitive alarm |
CN206298852U (en) * | 2016-11-30 | 2017-07-04 | 长安大学 | A kind of crash barrier for roads |
CN109958079A (en) * | 2017-05-01 | 2019-07-02 | 成都爱可信科技有限公司 | A kind of type highway barrier capable of automatic alarm |
CN207130619U (en) * | 2017-07-26 | 2018-03-23 | 赵青秀 | A kind of municipal Bridge guardrail |
CN107974976A (en) * | 2017-12-29 | 2018-05-01 | 嘉善精田精密机械制造有限公司 | A kind of municipal traffic greening and environmental protection guardrail |
CN108221770A (en) * | 2018-01-30 | 2018-06-29 | 重庆穗丰汽车救援有限公司 | Safe barrier is isolated in road |
CN208039108U (en) * | 2018-03-24 | 2018-11-02 | 诸暨掌云网络科技有限公司 | A kind of novel traffic guardrail |
CN209669756U (en) * | 2018-12-07 | 2019-11-22 | 台州大顺建设有限公司 | A kind of municipal guardrail with warning function |
CN111101440A (en) * | 2019-12-31 | 2020-05-05 | 西安宝鑫自动化设备有限公司 | Take warning function's public road bridge roof beam buffer stop |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112813887A (en) * | 2021-03-09 | 2021-05-18 | 湖州力卓机械设备技术开发有限公司 | Mountain area is anticollision mound for bend |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110670501B (en) | Warning device for road traffic | |
CN111827176A (en) | Warning reminding guardrail for road accident occurrence based on object inertia principle | |
CN205050357U (en) | Car warning system with infrared warning signalling function of initiative | |
CN210561895U (en) | Electric power facility anticollision warning device | |
CN210341605U (en) | Public road bridge roof beam buffer stop | |
CN217932945U (en) | Road construction active monitoring device | |
CN216275324U (en) | Traffic sign board for intelligent traffic | |
CN204845698U (en) | Car laser shows wide attention device | |
CN212896048U (en) | Road railing with anticollision function | |
CN212231625U (en) | Highway road conditions early warning device | |
CN112483968A (en) | Street lamp with night pedestrian detection and reminding functions | |
CN209873615U (en) | Bend reminding device for municipal works | |
CN211773125U (en) | Intelligent transportation safety barrier | |
CN210561830U (en) | Fog zone induction lamp installed on side of highway | |
CN212742256U (en) | Urban highway deceleration strip capable of automatically emitting light | |
CN208938341U (en) | Device applied to traffic warning signal lamp | |
CN215851091U (en) | A anticollision skeleton for autopilot car | |
CN211922422U (en) | Traffic safety facility state detection device | |
CN212426831U (en) | Warning notice board for highway construction | |
CN210515949U (en) | Multi-functional warning sign is used to real estate | |
CN217928533U (en) | Multi-functional wisdom lamp pole | |
CN217149964U (en) | Highway traffic safety guarantee device | |
CN218004360U (en) | Automobile anti-collision alarm device | |
CN213296106U (en) | Electric power facility anticollision warning device | |
CN217678778U (en) | Road isolation area warning device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201027 |
|
WW01 | Invention patent application withdrawn after publication |