CN112623100A - Protection device for electric tricycle motor - Google Patents
Protection device for electric tricycle motor Download PDFInfo
- Publication number
- CN112623100A CN112623100A CN202011635484.9A CN202011635484A CN112623100A CN 112623100 A CN112623100 A CN 112623100A CN 202011635484 A CN202011635484 A CN 202011635484A CN 112623100 A CN112623100 A CN 112623100A
- Authority
- CN
- China
- Prior art keywords
- protection
- motor
- electric tricycle
- shell
- damping
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M7/00—Motorcycles characterised by position of motor or engine
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a protection device for an electric tricycle motor, which comprises a protection mechanism, a first damping mechanism arranged on the inner side of the protection mechanism, a second damping mechanism arranged on the outer side of the protection mechanism, a heat dissipation mechanism arranged on one side inside the protection mechanism and installation mechanisms arranged on two sides of the second damping mechanism, wherein the first damping mechanism comprises a plurality of supporting columns arranged inside the protection mechanism and fixing plates arranged inside the protection mechanism and connected with the supporting columns in an inserting mode, and a first damping spring is sleeved on each supporting column and positioned above the fixing plates. The protection device for the motor of the electric tricycle has good protection and shock absorption effects, the motor is not easy to damage when the electric tricycle runs on a road with an uneven road surface, meanwhile, the protection device for the motor of the electric tricycle has a good heat dissipation effect, the motor can dissipate heat sufficiently when in use, and the normal work of the motor in a high-temperature weather condition is guaranteed.
Description
Technical Field
The invention relates to a protection device, in particular to a protection device for an electric tricycle motor, and belongs to the technical field of electric tricycle motor protection.
Background
The electric tricycle is a three-wheel transportation tool which takes a storage battery as power and a motor as drive and is used for pulling goods or people. The existing electric tricycle motor has the following problems in the actual working process:
1. the protection and shock absorption effects of the motor are poor, and when the electric tricycle runs on a road with an uneven road surface, the motor is easily damaged;
2. the radiating effect is relatively poor, and the motor can not carry out abundant heat dissipation when using, causes the damage of motor easily in high temperature weather.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the protection device for the motor of the electric tricycle, which has better protection and shock absorption effects, the damage of the motor is not easy to cause when the electric tricycle runs on a road with an uneven road surface, meanwhile, the protection device for the motor of the electric tricycle has better heat dissipation effect, the motor can fully dissipate heat when in use, and the normal work of the motor under the condition of high-temperature weather is ensured.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an electric tricycle is protector for motor, includes protection machanism, arranges at the inboard first damper of protection machanism, arranges at the second damper in the protection machanism outside, arranges at the heat dissipation mechanism of the inside one side of protection machanism and arranges the installation mechanism in second damper both sides, first damper is including arranging at the inside a plurality of support column of protection machanism and arranging in protection machanism and alternate the fixed plate of being connected with every support column, every all the cover in the top that just is located the fixed plate on the support column is equipped with first damping spring, every the below that just is located the fixed plate on the support column all overlaps and is equipped with second damping spring, the fixed curb plate of top fixedly connected with a plurality of fixed plate.
Preferably, the protection mechanism comprises a first protection shell and a second protection shell which is located on one side of the first protection shell and connected through a plurality of studs, and a first through hole is formed in one side of the first protection shell and one side of the second protection shell.
Preferably, the second damping mechanism comprises an outer shell located on the outer side of the first protective shell and the outer side of the second protective shell, and a plurality of third damping springs are connected between the outer shell and the first protective shell and between the outer shell and the second protective shell.
Preferably, a second through hole is formed in the bottom surface of the outer shell, which is close to one side of the second protective shell.
Preferably, the second through hole is connected with a dust screen.
Preferably, the heat dissipation mechanism includes a rotating shaft movably connected to the inner wall of the first protective housing and a plurality of fan blades arranged on the rotating shaft.
Preferably, the mounting mechanism comprises a plurality of mounting plates arranged on two sides of the second damping mechanism and mounting holes formed in each mounting plate.
Preferably, the fixing plate includes a first fixing plate located inside the first protective housing and a second fixing plate located inside the second protective housing and connected to the first fixing plate in a snap fit manner.
Compared with the prior art, the invention has the following beneficial effects:
1. through the protection machanism that sets up, arrange at the inboard first damper of protection machanism and arrange the second damper in the protection machanism outside for this protector for electric tricycle motor has better protection and shock attenuation effect, and electric tricycle is when going on the road of road surface injustice, is difficult for causing the damage of motor yet.
2. Through arranging the heat dissipation mechanism in inside one side of protection machanism for this protector for electric tricycle motor has better radiating effect, and the motor can carry out comparatively abundant heat dissipation when using, has guaranteed the normal work of motor under the high temperature weather condition.
3. Through arranging the installation mechanism in second damper both sides, the staff of being convenient for installs the motor on electric tricycle frame, to a certain extent, has guaranteed the stability of motor in the course of the work.
Drawings
FIG. 1 is a schematic view of a subjective structure according to the present invention;
FIG. 2 is a second schematic view of the subjective structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a second schematic cross-sectional view of the present invention;
fig. 5 is a schematic structural view of the fixing plate of the present invention.
Description of reference numerals:
1. the installation mechanism 2, an outer shell, 3, a protection mechanism, 4, a first protection shell, 5, a second damping mechanism, 6, an installation plate, 7, an installation hole, 8, a stud, 9, a second protection shell, 10, a second through hole, 11, a dust screen, 12, a first damping spring, 13, a support column, 14, the first damping mechanism, 15, the second damping spring, 16, a fixing plate, 17, a fixing side plate, 18, a third damping spring, 19, a heat dissipation mechanism, 20, a rotating shaft, 21, fan blades, 22, a first fixing plate, 23, a second fixing plate, 24 and a first through hole.
Detailed Description
The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the protection device for the motor of the electric tricycle provided by the embodiment of the present invention includes a protection mechanism 3, a first shock absorbing mechanism 14 disposed inside the protection mechanism 3, a second shock absorbing mechanism 5 disposed outside the protection mechanism 3, a heat dissipating mechanism 19 disposed inside the protection mechanism 3, and mounting mechanisms 1 disposed on two sides of the second shock absorbing mechanism 5, where the first shock absorbing mechanism 14 includes a plurality of supporting pillars 13 disposed inside the protection mechanism 3 and a fixing plate 16 disposed inside the protection mechanism 3 and connected to the supporting pillars 13 in an inserting manner, each supporting pillar 13 is sleeved with a first shock absorbing spring 12 above the fixing plate 16, each supporting pillar 13 is sleeved with a second shock absorbing spring 15 below the fixing plate 16, and a plurality of fixing side plates 17 are fixedly connected above the fixing plate 16, wherein, the arrangement of the protection mechanism 3 plays a better protection role on the motor, and effectively avoids the phenomenon that the motor is damaged due to the impact of foreign objects in the working process, the arrangement of the first damping mechanism 14 and the second damping mechanism 5 ensures that the motor is not easy to be damaged when the electric tricycle runs on a road with uneven road surface, and the arrangement of the heat dissipation mechanism 19 ensures that the protection device for the electric tricycle motor has a better heat dissipation effect, the motor can dissipate heat more sufficiently when in use, so that the normal work of the motor under the condition of high temperature weather is ensured, the arrangement of the mounting mechanism 1 is convenient for a worker to mount the motor on the frame of the electric tricycle, and the stability of the motor in the working process is ensured to a certain extent, the first damping mechanism 14 has a better damping effect while having a simpler structure, and is specific, the staff fixes the electric tricycle motor on fixed plate 16, and fixed plate 16 can carry out the removal of small range from top to bottom under first damping spring 12 and second damping spring 15's effect, and the setting of support column 13, has played the effect of vertical restriction to the moving direction of motor, prevents that the motor from the back and forth movement under first damping spring 12 and second damping spring 15's effect, causes first damping spring 12 and second damping spring 15's damage.
Preferably, the protection mechanism 3 includes the first protection casing 4 and is located first protection casing 4 one side and the second protection casing 9 that connects through a plurality of stud 8, first through-hole 24 has all been seted up to one side of first protection casing 4 and second protection casing 9, and protection mechanism 3 simple structure just makes things convenient for the staff to install and dismantle it, specifically, when needs assemble protection mechanism 3 together, only need to paste first protection casing 4 together with one side that second protection casing 9 has the screw hole, then fix first protection casing 4 together with second protection casing 9 through a plurality of stud 8.
Preferably, the second shock-absorbing mechanism 5 comprises an outer shell 2 located outside the first protective shell 4 and outside the second protective shell 9, a plurality of third damping springs 18 and a plurality of second damping mechanisms 5 are respectively connected between the outer shell 2 and the first protective shell 4 and between the outer shell 2 and the second protective shell 9, to a certain extent, the damping effect of the protective device for the electric tricycle motor on the motor is further improved, specifically, a plurality of third damping springs 18 are connected between the outer shell 2 and the first protective shell 4 and the second protective shell 9, when this protector receives external force, shell body 2 gives a plurality of third damping spring 18 with external force transmission, and a plurality of third damping spring 18 can carry out effectual solution to external force to a certain extent, and the impact to protection machanism 3 obviously reduces like this to more effectual protection motor.
Preferably, the bottom surface of the outer shell 2, which is close to one side of the second protective shell 9, is provided with a second through hole 10, and the arrangement of the second through hole 10 facilitates the circulation of air inside the protective device for the electric tricycle motor and the heat dissipation of the motor.
Preferably, the second through hole 10 is connected with a dust screen 11, and the arrangement of the dust screen 11 can effectively prevent external dust from entering the interior of the protection mechanism 3 through the second through hole 10 and the first through hole 24 to pollute the motor.
Preferably, heat dissipation mechanism 19 includes swing joint at the pivot 20 on the 4 inner walls of first protective housing and arranges a plurality of flabellum 21 in pivot 20, and heat dissipation mechanism 19 structure is comparatively simple, and need not to provide the power supply, relies on third damping spring 18's swing, can to a certain extent, drive pivot 20 and a plurality of flabellum 21's rotation, further accelerates this electric tricycle motor is with the inside circulation of air of protector, has improved the radiating effect to the motor.
Preferably, installation mechanism 1 is including arranging a plurality of mounting panel 6 and the mounting hole 7 that all seted up on every mounting panel 6 at second damper 5 both sides, installation mechanism 1's setting, installation mechanism 1's structure makes the operating procedure comparatively simple when this protector for electric tricycle motor to the staff, to a certain extent, has made things convenient for relevant personnel's work.
Preferably, the fixing plate 16 includes a first fixing plate 22 located inside the first protective housing 4 and a second fixing plate 23 located inside the second protective housing 9 and connected to the first fixing plate 22 in a snap-fit manner, so that the first protective housing 4 and the second protective housing 9 can be detached and separated conveniently by setting the fixing plate 16 to be in a snap-fit manner, thereby facilitating a worker to fix the motor.
When in use, a worker firstly detaches the plurality of stud bolts 8, separates the first protective shell 4 and the second protective shell 9 to a proper distance, then places the motor on the fixed plate 16, fixes the motor through the plurality of fixed side plates 17 fixedly connected above the fixed plate 16, then slowly pushes the first protective shell 4 and the second protective shell 9 to draw the two together, fixes the two together through the plurality of stud bolts 8, and finally fixes the protective device for the electric tricycle motor on the frame of the electric tricycle through the mounting mechanism 1, the arrangement of the protective mechanism 3 plays a good protective role for the motor, thereby effectively avoiding the phenomenon that the motor is damaged due to the impact of foreign objects in the working process, the arrangement of the first damping mechanism 14 and the second damping mechanism 5 ensures that the electric tricycle runs on a road with an uneven road surface, the damage of the motor is not easy to cause, the arrangement of the heat dissipation mechanism 19 ensures that the protection device for the motor of the electric tricycle has better heat dissipation effect, the motor can perform more sufficient heat dissipation when in use, the normal work of the motor under the condition of high temperature weather is ensured, the arrangement of the mounting mechanism 1 is convenient for workers to mount the motor on the frame of the electric tricycle, and the stability of the motor in the working process is ensured to a certain extent, the first damping mechanism 14 has better damping effect while having simpler structure, in particular, the workers fix the motor of the electric tricycle on the fixing plate 16, the fixing plate 16 can move up and down in small amplitude under the action of the first damping spring 12 and the second damping spring 15, and the arrangement of the support column 13 plays a role of vertical limitation on the moving direction of the motor, so as to prevent the motor from swinging back and forth under the action of the first damping spring 12 and the second damping spring 15, the first damping springs 12 and the second damping springs 15 are damaged, the protection mechanism 3 is simple in structure and convenient for workers to mount and dismount, specifically, when the protection mechanism 3 needs to be assembled together, only the first protection shell 4 and one side of the second protection shell 9 with threaded holes need to be attached together, then the first protection shell 4 and the second protection shell 9 are fixed together through the plurality of studs 8, the second damping mechanism 5 is arranged, the damping effect of the protection device for the electric tricycle motor is further improved to a certain extent, specifically, a plurality of third damping springs 18 are connected between the outer shell 2 and the first protection shell 4 and the second protection shell 9, when the protection device is subjected to external force, the outer shell 2 transmits the external force to the plurality of third damping springs 18, the plurality of third damping springs 18 can effectively relieve the external force to a certain extent, the impact on the protection mechanism 3 is obviously reduced, so that the motor is more effectively protected, the second through hole 10 is arranged, the circulation of air inside the protection device for the electric tricycle motor is facilitated, the heat dissipation of the motor is facilitated, the arrangement of the dustproof net 11 can effectively prevent external dust from entering the protection mechanism 3 through the second through hole 10 and the first through hole 24 to pollute the motor, the structure of the heat dissipation mechanism 19 is simpler, a power source is not required to be provided, the rotation of the rotating shaft 20 and the plurality of fan blades 21 is driven by the swinging of the third damping spring 18, the circulation of air inside the protection device for the electric tricycle motor is further accelerated, the heat dissipation effect of the motor is improved, the arrangement of the mounting mechanism 1 enables a worker to operate the protection device for the electric tricycle motor simply by the structure of the mounting mechanism 1, to a certain extent, the work of relevant personnel has been made things convenient for, through setting up fixed plate 16 into the snap-on, is convenient for dismantle first protective housing 4 and second protective housing 9 separately to the staff of being convenient for fixes the motor.
In conclusion, the motor protector has better protection and shock absorption effects, the motor is not easy to damage when the electric tricycle runs on a road with an uneven road surface, meanwhile, the motor protector has better heat dissipation effect, the motor can dissipate heat more fully when in use, and the normal work of the motor in high-temperature weather conditions is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a protector for electric tricycle motor, its characterized in that, includes protection machanism, arranges at the inboard first damper of protection machanism, arranges at the second damper in the protection machanism outside, arranges the heat dissipation mechanism in the inside one side of protection machanism and arranges the installation mechanism in second damper both sides, first damper is including arranging at the inside a plurality of support column of protection machanism and arranging the fixed plate of being connected in protection machanism and alternating with every support column, every all the cover of top that just is located the fixed plate on the support column is equipped with first damping spring, every the below that just is located the fixed plate on the support column all is equipped with second damping spring, the fixed curb plate of top fixedly connected with a plurality of fixed plate.
2. The protection device for the electric tricycle motor according to claim 1, wherein the protection mechanism comprises a first protection shell and a second protection shell which is located on one side of the first protection shell and connected through a plurality of studs, and first through holes are formed in one sides of the first protection shell and the second protection shell.
3. The protection device for the electric tricycle motor according to claim 1, wherein the second damping mechanism comprises an outer shell located outside the first protection shell and outside the second protection shell, and a plurality of third damping springs are connected between the outer shell and the first protection shell and between the outer shell and the second protection shell.
4. The protection device for the electric tricycle motor according to claim 3, wherein a second through hole is formed in a bottom surface of the outer shell, which is close to one side of the second protection shell.
5. The protection device for the electric tricycle motor according to claim 4, wherein a dust screen is connected to the second through hole.
6. The protection device for the electric tricycle motor according to claim 1, wherein the heat dissipation mechanism comprises a rotating shaft movably connected to the inner wall of the first protection shell and a plurality of fan blades arranged on the rotating shaft.
7. The protection device for the electric tricycle motor according to claim 1, wherein the mounting mechanism comprises a plurality of mounting plates arranged on two sides of the second damping mechanism and mounting holes formed in each mounting plate.
8. The protection device for the electric tricycle motor according to claim 1, wherein the fixing plate comprises a first fixing plate located inside the first protection shell and a second fixing plate located inside the second protection shell and connected with the first fixing plate in a clamping mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011635484.9A CN112623100A (en) | 2020-12-31 | 2020-12-31 | Protection device for electric tricycle motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011635484.9A CN112623100A (en) | 2020-12-31 | 2020-12-31 | Protection device for electric tricycle motor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112623100A true CN112623100A (en) | 2021-04-09 |
Family
ID=75290416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011635484.9A Pending CN112623100A (en) | 2020-12-31 | 2020-12-31 | Protection device for electric tricycle motor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112623100A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013178341A2 (en) * | 2012-05-26 | 2013-12-05 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Electric motor drive, particularly a fan drive |
EP3306050A1 (en) * | 2016-10-04 | 2018-04-11 | ABB Schweiz AG | A sealing arrangement and a sealing method for an electrical machine |
CN209134190U (en) * | 2018-12-27 | 2019-07-19 | 深圳市聚马新能源汽车科技有限公司 | A kind of new-energy automobile motor mounting shell body |
CN110048536A (en) * | 2019-03-29 | 2019-07-23 | 芜湖市极星航空科技有限公司 | A kind of unmanned plane motor assist heat-dissipating casing |
CN209497353U (en) * | 2019-04-03 | 2019-10-15 | 淮安仲益电机有限公司 | A kind of motor with protection effect |
CN110890806A (en) * | 2019-11-13 | 2020-03-17 | 徐州铭尊机电有限公司 | Storage box with heat dissipation and shock-absorbing functions for electric tricycle motor |
CN210629253U (en) * | 2019-12-09 | 2020-05-26 | 常州云度自动化科技有限公司 | Step motor convenient to installation |
CN211209423U (en) * | 2019-11-09 | 2020-08-07 | 江苏梦天机电科技有限公司 | Electric tricycle motor is with supplementary fixing device |
-
2020
- 2020-12-31 CN CN202011635484.9A patent/CN112623100A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013178341A2 (en) * | 2012-05-26 | 2013-12-05 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Electric motor drive, particularly a fan drive |
EP3306050A1 (en) * | 2016-10-04 | 2018-04-11 | ABB Schweiz AG | A sealing arrangement and a sealing method for an electrical machine |
CN209134190U (en) * | 2018-12-27 | 2019-07-19 | 深圳市聚马新能源汽车科技有限公司 | A kind of new-energy automobile motor mounting shell body |
CN110048536A (en) * | 2019-03-29 | 2019-07-23 | 芜湖市极星航空科技有限公司 | A kind of unmanned plane motor assist heat-dissipating casing |
CN209497353U (en) * | 2019-04-03 | 2019-10-15 | 淮安仲益电机有限公司 | A kind of motor with protection effect |
CN211209423U (en) * | 2019-11-09 | 2020-08-07 | 江苏梦天机电科技有限公司 | Electric tricycle motor is with supplementary fixing device |
CN110890806A (en) * | 2019-11-13 | 2020-03-17 | 徐州铭尊机电有限公司 | Storage box with heat dissipation and shock-absorbing functions for electric tricycle motor |
CN210629253U (en) * | 2019-12-09 | 2020-05-26 | 常州云度自动化科技有限公司 | Step motor convenient to installation |
Non-Patent Citations (1)
Title |
---|
张烨: "电机用电刷的使用技术探究", 《中国西部科技》 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205611102U (en) | Portable outdoor regulator cubicle convenient to it is ventilative dustproof | |
CN210042566U (en) | Electric power encryption communication equipment protection device convenient to dismantle | |
CN213586797U (en) | Protection device for outdoor pre-buried electronic box | |
CN112623100A (en) | Protection device for electric tricycle motor | |
CN212838490U (en) | Roof fan of making an uproar falls in damping | |
CN216905538U (en) | Safety control device for rail vehicle section | |
CN216312816U (en) | Explosion-proof three-phase asynchronous motor with heat dissipation function | |
CN213776959U (en) | Portable electromechanical mounting bracket for subway | |
CN112377789B (en) | Crane display with protection device | |
CN110769662B (en) | Heat radiator for 5G navigator | |
CN209800313U (en) | Noise-reducing and shock-absorbing industrial fan | |
CN210011622U (en) | New energy automobile fills electric pile safety device | |
CN207293961U (en) | A kind of crane power control cabinet | |
CN213149644U (en) | Business big data management system | |
CN112751441A (en) | Motor shell mounting structure and mounting method | |
CN220341829U (en) | Novel UPS uninterrupted power source | |
CN220190663U (en) | Base support for frequency converter of mechanical equipment | |
CN215984843U (en) | Sound monitor easy to assemble | |
CN219420020U (en) | Damping type high-low voltage complete electrical equipment | |
CN212781910U (en) | Computer mainframe box base | |
CN220415902U (en) | Protective bracket of oil cylinder for truck-mounted crane | |
CN219372437U (en) | Data communication device based on industrial Internet | |
CN215009390U (en) | Safety protection type cable testing bridge | |
CN212766035U (en) | Audio-visual display device for car as a house | |
CN220358645U (en) | Portable electrical cabinet |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |
|
RJ01 | Rejection of invention patent application after publication |