CN112623009A - Effectual perambulator of shock attenuation - Google Patents
Effectual perambulator of shock attenuation Download PDFInfo
- Publication number
- CN112623009A CN112623009A CN202110003681.7A CN202110003681A CN112623009A CN 112623009 A CN112623009 A CN 112623009A CN 202110003681 A CN202110003681 A CN 202110003681A CN 112623009 A CN112623009 A CN 112623009A
- Authority
- CN
- China
- Prior art keywords
- rod
- crib
- cylinder
- stroller
- baby
- 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
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/18—Resilient suspensions of bodies
- B62B9/185—Resilient suspensions of bodies by springs between seat and frame
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to the technical field of a baby carriage, in particular to a baby carriage with a good damping effect, which comprises a baby bed, push rods and support rods, wherein the push rods and the support rods are symmetrically arranged on two sides of the baby bed, the push rods are obliquely arranged on two sides of the baby bed, the support rods are vertically arranged on two sides of the baby bed, the lower ends of the push rods and the support rods are provided with roller mechanisms, each roller mechanism comprises an installation block and three rollers uniformly arranged on the periphery of the installation block, when the baby carriage is used, the two sides of the baby carriage are respectively supported by four rollers, so that the baby carriage has good stability, a damping spring can reduce vibration of the rollers, a corrugated support plate supports an elastic support ring during rolling of the wheels, and a buffer spring improves the stability of the wheels and simultaneously reduces vibration of the wheels.
Description
Technical Field
The invention relates to the technical field of a baby carriage, in particular to a baby carriage with a good damping effect.
Background
The baby carriage provides more convenience for family trip or other activities that have the baby, but along with the improvement of people's standard of living and the improvement of demand, the volume and the weight of baby carriage are at continuous increase, and stronger vibrations can appear in the baby carriage in the use, and the shock attenuation effect of most baby carriages is general on the existing market, especially under the circumstances that the road surface is uneven, jolting of baby carriage can be more obvious, causes the damage to the baby easily.
Disclosure of Invention
The invention aims to provide a baby carriage with good damping effect so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a baby carriage with good damping effect comprises a baby bed, push rods and support rods, wherein the push rods and the support rods are symmetrically arranged on two sides of the baby bed, the push rods are obliquely arranged on two sides of the baby bed, the support rods are vertically arranged on two sides of the baby bed, roller mechanisms are arranged at the lower ends of the push rods and the support rods and comprise mounting blocks and three rollers uniformly arranged on the periphery of the mounting blocks, a slide rod is arranged between each roller and the mounting blocks, one end of each slide rod is connected with the corresponding roller, the other end of each slide rod is connected with the corresponding mounting block in a sliding manner, a damping spring is sleeved outside each slide rod, two ends of each damping spring are respectively connected with the corresponding mounting block and the corresponding roller, the mounting blocks are rotatably connected with the lower ends of the push rods and the support rods, each roller comprises a wheel, each wheel comprises a cylinder and an elastic support ring sleeved outside the, the convex points of the corrugated supporting plate are connected with the elastic supporting ring, and the concave points of the corrugated supporting plate are connected with the cylinder.
As a further scheme of the invention: be equipped with the movable rod between the bump of ripple type backup pad and the cylinder, the one end and the bump of movable rod are connected, and the other end and cylinder sliding connection, the movable rod overcoat has buffer spring, and buffer spring's both ends are connected with bump and cylinder respectively.
As a still further scheme of the invention: the upper end of the supporting rod is connected with the push rod, the upper end of the push rod is provided with a handle, and the handle is covered with a flexible pad.
As a still further scheme of the invention: two the push rod is connected through the connecting rod between two bracing pieces, be equipped with damper between connecting rod and the crib.
As a still further scheme of the invention: the damping mechanism comprises sliding blocks symmetrically arranged on the connecting rod, the sliding blocks are connected with the connecting rod in a sliding mode, the sliding blocks are connected with the supporting rod through transverse damping springs, supporting rods are arranged on the sliding blocks, and two ends of each supporting rod are respectively connected with the sliding blocks and the baby crib in a rotating mode.
As a still further scheme of the invention: the baby crib is characterized in that a fixed frame is arranged on the baby crib, two ends of the fixed frame are respectively connected with a push rod, a movable frame is arranged on one side of the fixed frame, two ends of the movable frame are respectively connected with one push rod in a rotating mode, and sun-shading cloth is arranged between the fixed frame and the movable frame.
As a still further scheme of the invention: one is equipped with the casing on the push rod, is equipped with the gear in the casing, and the gear is connected with the one end of adjustable shelf, the gear rotates with the casing to be connected, and one side of gear is equipped with the fixture block of adaptation, the outside pull rod of casing, one end of pull rod pass the casing and be connected with the fixture block, the pull rod overcoat has reset spring, and reset spring's both ends are connected with fixture block and casing respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. the two sides of the baby carriage are respectively supported by the four rollers, so that the baby carriage has better stability, the damping springs can effectively weaken the vibration of the rollers, and when the baby carriage meets the bottom surface with unevenness, the mounting blocks drive the rollers to rotate, so that the baby carriage can easily stride across the uneven ground.
2. The ripple type backup pad supports the elastic support ring, has weakened the vibrations that the wheel received, has proved the stability of wheel roll in-process, can also weaken the vibrations that the wheel received simultaneously, can increase the frictional force between gyro wheel and ground through flexible slipmat, has improved perambulator's stability.
3. The transverse damping spring can weaken the vibration of the baby crib, effectively weaken the vibration of the baby carriage through the multi-stage damping effect, and improve the damping effect of the baby carriage.
Drawings
Fig. 1 is a schematic structural view of a stroller with a good shock absorption effect.
Fig. 2 is a schematic structural view of a lateral damping spring in a stroller with a good damping effect.
Fig. 3 is a schematic structural view of a housing of a stroller with a good shock absorption effect.
Fig. 4 is a schematic structural view of a roller in a stroller with a good damping effect.
Fig. 5 is a schematic structural view of a wheel of a stroller with a good shock-absorbing effect.
1-crib, 2-push rod, 3-support rod, 4-reset spring, 5-fixed frame, 6-movable frame, 7-shell, 8-pull rod, 9-handle, 10-slide block, 11-transverse damping spring, 12-roller, 13-damping spring, 14-mounting block, 15-connecting rod, 16-supporting rod, 17-wheel, 18-slide rod, 19-flexible non-slip pad, 20-corrugated support plate, 21-elastic support ring, 22-cylinder, 23-movable rod, 24-buffer spring, 25-gear and 26-clamping block.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1-5, a stroller with good damping effect comprises a crib 1, push rods 2 and support rods 3 symmetrically arranged on two sides of the crib 1, wherein the push rods 2 are obliquely arranged on two sides of the crib 1, the support rods 3 are vertically arranged on two sides of the crib 1, the lower ends of the push rods 2 and the support rods 3 are provided with roller mechanisms, each roller mechanism comprises an installation block 14 and three rollers 12 uniformly arranged on the periphery of the installation block 14, a slide rod 18 is arranged between each roller 12 and the installation block 14, one end of each slide rod 18 is connected with the corresponding roller 12, the other end of each slide rod 18 is slidably connected with the installation block 14, each slide rod 18 is sleeved with a damping spring 13, two ends of each damping spring 13 are respectively connected with the installation block 14 and the corresponding roller 12, the installation block 14 is rotatably connected with the lower ends of the push rods 2 and the support rods 3, when in use, the two sides of the stroller are respectively supported, during the moving process, the damping spring 13 can effectively weaken the vibration suffered by the roller 12, thereby improving the damping effect of the baby carriage, the roller 12 comprises a wheel 17, the wheel 17 comprises a cylinder 22 and an elastic support ring 21 sleeved outside the cylinder 22, the elastic support ring 21 is covered with a flexible anti-skid pad 19, an annular wave-shaped support plate 20 is arranged between the elastic support ring 21 and the cylinder 22, the salient points of the wave-shaped support plate 20 are connected with the elastic support ring 21, the concave points of the wave-shaped support plate 20 are connected with the cylinder 22, the elastic support ring 21 can be supported by the wave-shaped support plate 20, during the use, the two sides of the baby carriage are respectively supported by four rollers 12, so that the baby carriage has better stability, the damping spring 13 can weaken the vibration suffered by the roller 12, the wave-shaped support plate 20 supports the elastic support ring 21 during the rolling process of the wheel 17, the stability of the wheels 17 in the rolling process is guaranteed, meanwhile, the vibration received by the wheels 17 can be weakened, the friction force between the rollers 12 and the ground can be increased through the flexible anti-skid pads 19, the stability of the baby carriage is improved, when the baby carriage meets the uneven bottom surface, the mounting blocks 14 drive the rollers 12 to rotate, the baby carriage can easily cross the uneven ground, and the environment adaptability of the baby carriage is improved.
Be equipped with movable rod 23 between the bump of corrugated type backup pad 20 and cylinder 22, the one end and the bump of movable rod 23 are connected, the other end and cylinder 22 sliding connection, movable rod 23 overcoat has buffer spring 24, and buffer spring 24's both ends are connected with bump and cylinder 22 respectively, can improve wheel 17's stability through buffer spring 24, have weakened the vibrations that wheel 17 received simultaneously.
The upper end and the push rod 2 of bracing piece 3 are connected, and the upper end of push rod 2 is equipped with handle 9, it has the flexible pad to establish to cover on the handle 9, can increase the frictional force between hand and the handle 9 through the flexible pad, makes the use perambulator that the user can be better.
Two push rods 2 and two bracing pieces 3 are connected through a connecting rod 15, a damping mechanism is arranged between the connecting rod 15 and the baby crib 1, and the vibration of the baby crib 1 can be weakened through the damping mechanism.
Damping device is including the symmetry lay slider 10 on connecting rod 15, slider 10 and connecting rod 15 sliding connection, two connect through horizontal damping spring 11 between the slider 10 and between slider 10 and the bracing piece 3, and be equipped with branch 16 on the slider 10, the both ends of branch 16 rotate with slider 10 and crib 1 respectively and are connected, can weaken the vibrations that crib 1 received through horizontal damping spring 11.
The working principle of the embodiment is as follows: during the use, there are four gyro wheels 12 to support respectively in the both sides of perambulator, make the perambulator have better stability, damping spring 13 can effectively weaken the vibrations that gyro wheel 12 received, wheel 17 is at the roll in-process, corrugated backup pad 20 supports elastic support ring 21, the vibrations that wheel 17 received have been weakened, damping spring 24 can improve the stability of wheel 17, the vibrations that wheel 17 received have further been weakened, when the perambulator meets the bottom surface messenger of comparatively unevenness, installation piece 14 drives gyro wheel 12 and rotates, make the perambulator stride across the ground of unevenness easily, can weaken the vibrations that crib 1 received through horizontal damping spring 11, can effectively weaken the vibrations that the perambulator received through multistage shock attenuation.
Example 2
In order to perform certain shielding protection on the crib 1, the present embodiment is further improved on the basis of the embodiment 1, and the improvement is as follows: the baby crib is characterized in that a fixing frame 5 is arranged on the baby crib 1, two ends of the fixing frame 5 are respectively connected with a push rod 2, a movable frame 6 is arranged on one side of the fixing frame 5, two ends of the movable frame 6 are respectively connected with the push rod 2 in a rotating mode, sunshade cloth is arranged between the fixing frame 5 and the movable frame 6, the shielding range of the sunshade cloth can be adjusted by adjusting the position of the movable frame 6, and the sunshade cloth can shield and protect the baby crib 1 to a certain degree.
One be equipped with casing 7 on the push rod 2, be equipped with gear 25 in the casing 7, gear 25 is connected with the one end of adjustable shelf 6, gear 25 rotates with casing 7 to be connected, and one side of gear 25 is equipped with the fixture block 26 of adaptation, the outside pull rod 8 of casing 7, the one end of pull rod 8 is passed casing 7 and is connected with fixture block 26, reset spring 4 has been adorned to pull rod 8 overcoat, and reset spring 4's both ends are connected with fixture block 26 and casing 7 respectively, can make fixture block 26 block on gear 25 through reset spring 4 to the position of fixed adjustable shelf 6 makes the puggaree can be more stable shields crib 1, stimulates pull rod 8, makes reset spring 4 compress, removes the spacing of fixture block 26 to gear 25, and the staff of being convenient for adjusts the position of adjustable shelf 6.
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.
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 integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a effectual perambulator of shock attenuation, includes crib (1) and symmetry lays push rod (2) and bracing piece (3) in crib (1) both sides, its characterized in that, crib (1) both sides are laid to push rod (2) slope, and bracing piece (3) are vertically laid in crib (1) both sides, the lower extreme of push rod (2) and bracing piece (3) is equipped with roller mechanism, and roller mechanism includes installation piece (14) and evenly lays three gyro wheel (12) in installation piece (14) periphery, be equipped with slide bar (18) between gyro wheel (12) and installation piece (14), the one end and gyro wheel (12) of slide bar (18) are connected, and the other end and installation piece (14) sliding connection, slide bar (18) overcoat has damping spring (13), and damping spring (13)'s both ends are connected with installation piece (14) and gyro wheel (12) respectively, the utility model discloses a flexible mounting structure, including installation piece (14), gyro wheel (12), cylinder (22), elastic support ring (21) outside cylinder (22), wheel (17), the bump and the elastic support ring (21) of ripple type backup pad (20) are connected, and the concave point and the cylinder (22) of ripple type backup pad (20) are connected, the gyro wheel (12) including wheel (17), wheel (17) by cylinder (22) and cover elastic support ring (21) outside cylinder (22), elastic support ring (21) coats outward and is stamped flexible slipmat (19), are equipped with annular ripple type backup pad (20) between elastic support ring (21) and.
2. The stroller with the good shock absorption effect according to claim 1, wherein a movable rod (23) is arranged between the convex point of the corrugated support plate (20) and the cylinder (22), one end of the movable rod (23) is connected with the convex point, the other end of the movable rod is slidably connected with the cylinder (22), a buffer spring (24) is sleeved outside the movable rod (23), and two ends of the buffer spring (24) are respectively connected with the convex point and the cylinder (22).
3. The stroller with good shock absorption according to claim 1, wherein the upper end of the support rod (3) is connected with the push rod (2), the upper end of the push rod (2) is provided with a handle (9), and the handle (9) is covered with a flexible pad.
4. The stroller with good shock absorption according to claim 1, wherein the two push rods (2) and the two support rods (3) are connected by a connecting rod (15), and a shock absorption mechanism is arranged between the connecting rod (15) and the crib (1).
5. The stroller with the good damping effect according to claim 4, wherein the damping mechanism comprises sliding blocks (10) symmetrically arranged on a connecting rod (15), the sliding blocks (10) are slidably connected with the connecting rod (15), the two sliding blocks (10) and the supporting rod (3) are connected through transverse damping springs (11), a supporting rod (16) is arranged on each sliding block (10), and two ends of each supporting rod (16) are respectively rotatably connected with the sliding blocks (10) and the crib (1).
6. The stroller with the good damping effect according to claim 1, wherein a fixed frame (5) is arranged on the crib (1), two ends of the fixed frame (5) are respectively connected with one push rod (2), a movable frame (6) is arranged on one side of the fixed frame (5), two ends of the movable frame (6) are respectively connected with one push rod (2) in a rotating manner, and a sun-shading cloth is arranged between the fixed frame (5) and the movable frame (6).
7. The stroller with the good damping effect according to claim 6, wherein a shell (7) is arranged on one of the push rods (2), a gear (25) is arranged in the shell (7), the gear (25) is connected with one end of the movable frame (6), the gear (25) is rotatably connected with the shell (7), a clamping block (26) matched with the gear (25) is arranged on one side of the gear (25), a pull rod (8) is arranged on the outer side of the shell (7), one end of the pull rod (8) penetrates through the shell (7) to be connected with the clamping block (26), a return spring (4) is sleeved outside the pull rod (8), and two ends of the return spring (4) are respectively connected with the clamping block (26) and the shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003681.7A CN112623009A (en) | 2021-01-04 | 2021-01-04 | Effectual perambulator of shock attenuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110003681.7A CN112623009A (en) | 2021-01-04 | 2021-01-04 | Effectual perambulator of shock attenuation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112623009A true CN112623009A (en) | 2021-04-09 |
Family
ID=75291341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110003681.7A Pending CN112623009A (en) | 2021-01-04 | 2021-01-04 | Effectual perambulator of shock attenuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112623009A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044100A (en) * | 2021-04-28 | 2021-06-29 | 舒城县乐启儿童用品有限公司 | Baby stroller with high buffering protection performance and working method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060054073A (en) * | 2004-10-19 | 2006-05-22 | 콤비 가부시키가이샤 | Stroller and sunshade thereof |
| CN200942812Y (en) * | 2006-08-07 | 2007-09-05 | 董祥 | Special-shaped wheel |
| CN201849514U (en) * | 2010-10-25 | 2011-06-01 | 王倩文 | Baby stroller capable of going up steps |
| CN104029711A (en) * | 2014-06-25 | 2014-09-10 | 王松豪 | Multi-dimensional shock-absorbing baby carriage |
| CN108327768A (en) * | 2018-02-07 | 2018-07-27 | 高熹然 | It is a kind of to be convenient for upper perambulator downstairs |
| CN108621882A (en) * | 2017-03-17 | 2018-10-09 | 宝钜儿童用品香港股份有限公司 | Ceiling mechanism and children's load carrier with the ceiling mechanism |
| CN211519623U (en) * | 2019-09-12 | 2020-09-18 | 中山盛利来塑料有限公司 | Damping wheel of baby carriage |
| CN211943452U (en) * | 2018-09-07 | 2020-11-17 | 吴新雄 | Folding baby carriage |
| CN212047551U (en) * | 2019-08-09 | 2020-12-01 | 李师 | Children use shallow with anticollision function |
-
2021
- 2021-01-04 CN CN202110003681.7A patent/CN112623009A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060054073A (en) * | 2004-10-19 | 2006-05-22 | 콤비 가부시키가이샤 | Stroller and sunshade thereof |
| CN200942812Y (en) * | 2006-08-07 | 2007-09-05 | 董祥 | Special-shaped wheel |
| CN201849514U (en) * | 2010-10-25 | 2011-06-01 | 王倩文 | Baby stroller capable of going up steps |
| CN104029711A (en) * | 2014-06-25 | 2014-09-10 | 王松豪 | Multi-dimensional shock-absorbing baby carriage |
| CN108621882A (en) * | 2017-03-17 | 2018-10-09 | 宝钜儿童用品香港股份有限公司 | Ceiling mechanism and children's load carrier with the ceiling mechanism |
| CN108327768A (en) * | 2018-02-07 | 2018-07-27 | 高熹然 | It is a kind of to be convenient for upper perambulator downstairs |
| CN211943452U (en) * | 2018-09-07 | 2020-11-17 | 吴新雄 | Folding baby carriage |
| CN212047551U (en) * | 2019-08-09 | 2020-12-01 | 李师 | Children use shallow with anticollision function |
| CN211519623U (en) * | 2019-09-12 | 2020-09-18 | 中山盛利来塑料有限公司 | Damping wheel of baby carriage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113044100A (en) * | 2021-04-28 | 2021-06-29 | 舒城县乐启儿童用品有限公司 | Baby stroller with high buffering protection performance and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU70852U1 (en) | SHOCK-ABSORBING MECHANISM FOR BABY STROLLER (OPTIONS) | |
| CN102579204B (en) | Cushioning castor | |
| CN211067849U (en) | Multipurpose walking aid for department of health | |
| CN112623009A (en) | Effectual perambulator of shock attenuation | |
| CN211617320U (en) | Universal wheel with brake structure | |
| CN111546832A (en) | Damping roller for luggage | |
| CN111317247A (en) | Suspension knapsack device of adjustable load | |
| CN109999511A (en) | A kind of pneumatic type totally-enclosed track sled | |
| CN211059731U (en) | Exchange rate display device that finance was used | |
| KR200466991Y1 (en) | Walking supporter | |
| CN214839883U (en) | Information display device is used in government purchase | |
| CN211519623U (en) | Damping wheel of baby carriage | |
| CN212921240U (en) | A shock attenuation skeleton for truck seat | |
| CN212118912U (en) | Dance training is with lower waist device | |
| CN210310525U (en) | Eggshell type double-mode baby carriage | |
| CN214985588U (en) | Switch board transfer car (buggy) | |
| CN108382450A (en) | A kind of stroller with defencive function | |
| CN211475347U (en) | Support device for computer media shooting and recording | |
| CN214524012U (en) | Folding bassinet with article are accomodate | |
| CN212235799U (en) | Portable folding treadmill | |
| CN219447103U (en) | Baby carriage frame | |
| CN110623750A (en) | Medical pallet truck for placing medical pallet more stably | |
| CN208366969U (en) | A kind of portable multifunctional food security detection equipment | |
| CN209316957U (en) | The multi-purpose tennis net braces being convenient for carrying | |
| CN218760316U (en) | Air compressor with shock absorption and noise reduction functions |
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 |