CN111481004A - Intelligent seat that bus stop was equipped with - Google Patents
Intelligent seat that bus stop was equipped with Download PDFInfo
- Publication number
- CN111481004A CN111481004A CN202010519206.0A CN202010519206A CN111481004A CN 111481004 A CN111481004 A CN 111481004A CN 202010519206 A CN202010519206 A CN 202010519206A CN 111481004 A CN111481004 A CN 111481004A
- Authority
- CN
- China
- Prior art keywords
- rack
- box
- seat
- gear
- wall
- 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- Withdrawn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
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000003028 elevating effect Effects 0.000 claims description 2
- 208000027418 Wounds and injury Diseases 0.000 claims 1
- 230000006378 damage Effects 0.000 claims 1
- 208000014674 injury Diseases 0.000 claims 1
- 230000008602 contraction Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable chairs
- A47C4/04—Folding chairs with inflexible seats
- A47C4/045—Folding chairs with inflexible seats foldable side to side only
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means, for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/126—Means, e.g. measuring means, for adapting chairs, beds or mattresses to the shape or weight of persons for chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/54—Supports for the arms
- A47C7/543—Supports for the arms movable to inoperative position
Landscapes
- Seats For Vehicles (AREA)
Abstract
The invention discloses an intelligent seat equipped for a bus stop, which comprises a box body, wherein a box body empty bin with an upward opening is arranged in the box body, a base is fixedly arranged on the lower end surface of the box body, a seat lifting mechanism is arranged in the box body empty bin, the seat lifting mechanism comprises a first rack, the first rack is formed by stabilizing the movable range of four fixing plates, the four fixing plates are fixedly arranged on the inner wall of the rear side of the box body empty bin, and a rotating shaft is rotatably arranged at the upper end of the first rack. Pregnant woman, etc.) to be safer and more comfortable.
Description
Technical Field
The invention relates to the field of road systems, in particular to an intelligent seat equipped for a bus stop.
Background
In order to facilitate the citizens to have a good rest environment when waiting for the bus, bus waiting chairs are basically arranged at the bus station for people to use.
The existing bus station seat is always exposed to the outside in bad weather such as rain, snow and the like, and the seat cannot be normally used due to poor humidity; bus stop's area is limited, can't hold a great number of traditional chair of waiting
Disclosure of Invention
The invention aims to solve the technical problem of providing an intelligent seat arranged at a bus stop, and the problems that a common waiting chair cannot be used in severe weather, the occupied area is large and the like are solved.
The invention is realized by the following technical scheme.
The intelligent seat provided for the bus station comprises a box body, wherein a box body empty bin with an upward opening is arranged in the box body, a base is fixedly arranged on the lower end face of the box body, a seat lifting mechanism is arranged in the box body empty bin and comprises a first rack, the first rack is formed by stabilizing the moving range of four fixing plates, the four fixing plates are fixedly arranged on the inner wall of the rear side of the box body empty bin, a rotating shaft is rotatably arranged at the upper end of the first rack, the rotating shaft is provided with two seat plates in a bilaterally symmetrical rotating mode by taking the rotating shaft as the center, and the contraction and expansion of the seat plates are controlled by the lifting of the first rack;
the upper end face of the box body is provided with an auxiliary and box cover rotating mechanism, the mechanism auxiliary and box cover rotate two rotating shafts at the top end of the box body, the two rotating shafts are bilaterally symmetrical by taking the first rack as a center, each rotating shaft is fixedly provided with two grinding wheels and a rotating gear, the inner wall of the empty rear side of the box body is rotatably provided with the rotating shaft, the rear end of the rotating shaft is positioned in an external space and is fixedly provided with a connecting rod, the front end of the connecting rod is fixedly provided with a box cover, when the grinding wheel on the right side rotates, the rotating shaft can be rotated through transmission, and the rotation of the grinding wheels not only assists the movement of the seat plate, but also drives the box cover to rotate;
the lower end face of the seat plate is provided with a hollow bin, the hollow bin is provided with an automatic seat armrest mechanism, the automatic seat armrest mechanism comprises a second rack, the second rack is guided by two positioning blocks fixedly arranged on the inner wall of the rear side of the hollow bin, the second rack can rotate with a gear meshed with the second rack in a moving mode, the gear is fixedly arranged on a shaft, the shaft is rotatably arranged on the inner wall of the rear side of the hollow bin, an armrest is further fixedly arranged on the shaft in a hurting mode, when the second rack moves left and right, the gear can be driven to rotate through the meshing of the second rack and the gear, so that the shaft is driven to rotate, and the armrest can rotate along with the shaft;
preferably, the seat elevating system still include with box fixed connection's first inductor, the power with first inductor passes through connection of electric lines, the power is fixed to be set up box vacant bin rear side inner wall, the fixed motor that is equipped with in box vacant bin rear side inner wall, the fixed drive shaft that has on the motor, fixedly connected with rotating gear in the drive shaft, rotating gear with first rack toothing, the fixed axle sets up box vacant bin rear side inner wall, fixed connection rotating gear on the fixed axle, rotating gear with first rack toothing.
Preferably, the auxiliary and box cover rotating mechanism further comprises a rotating shaft which is rotatably arranged on the inner wall of the rear side of the empty box body, a gear and a conveying belt wheel are fixedly arranged on the rotating shaft, the conveying belt wheel is arranged on the front side of the gear, a rotating shaft is rotatably arranged on the inner wall of the rear side of the empty box body, a belt wheel is fixedly arranged on the rotating shaft, and the belt wheel and the conveying belt wheel are in friction transmission through a conveying belt.
Preferably, automatic armrest mechanism still includes the spring, the spring is fixed to be established empty storehouse is close to first rack side inner wall, the spring is kept away from the fixed magnetic path that is equipped with of one end of first rack, the magnetic path with second rack fixed connection, the box is internal to be inlayed and is equipped with second sensor and electro-magnet, the second sensor with the electro-magnet passes through connection of electric lines, the embedded third sensor that is equipped with of seat board.
The invention has the beneficial effects that: the bus waiting seat is stored in the box when no passenger waits, the occupied area is small, so that more waiting seats can be arranged at the bus station, the requirement of the seat when the passenger flow is large is met, the normal use of the seat cannot be influenced in severe weather due to the fact that the bus waiting seat is stored in the box, and the automatic armrest of the seat can enable some weak groups (old people, pregnant women and the like) to be safer and more comfortable to sit.
Description of the drawings:
in order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;
FIG. 3 is a schematic top view of the embodiment of the present invention shown in FIG. 1 from direction B;
FIG. 4 is a schematic view of the embodiment of the present invention in the direction of C-C in FIG. 1;
FIG. 5 is a rear view schematic of the embodiment of the present invention FIG. 1;
FIG. 6 is a schematic view of the embodiment of the present invention in the direction D-D of FIG. 1.
The specific implementation mode is as follows:
the invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The intelligent seat device equipped at the bus stop, which is described with reference to fig. 1-6, includes a box 28, a box empty bin 23 with an upward opening is provided in the box 28, a base 34 is fixedly provided on the lower end surface of the box 28, a seat lifting mechanism 70 is provided in the box empty bin 23, the seat lifting mechanism includes a first rack 21, the first rack 21 has its movable range stabilized by four fixed plates 29, the four fixed plates 29 are fixedly provided on the inner wall of the rear side of the box empty bin 23, a rotating shaft 20 is rotatably provided on the upper end of the first rack 21, two seat plates 11 are symmetrically provided on the rotating shaft 20, with the rotating shaft 20 as the center, and the lifting of the first rack 21 controls the contraction and expansion of the seat plates 11;
an auxiliary and box cover rotating mechanism 71 is arranged on the upper end face of the box body 28, the mechanism auxiliary and box cover rotating mechanism 71 rotates two rotating shafts 44 at the top end of the box body 28, the two rotating shafts 44 are bilaterally symmetrical around the first rack 21, each rotating shaft 44 is fixedly provided with two grinding wheels 22 and one rotating gear 45, the inner wall of the rear side of the box empty bin 23 is rotatably provided with a rotating shaft 38, the rear end of the rotating shaft 38 is positioned in an external space and fixedly provided with a connecting rod 27, the front end of the connecting rod 27 is fixedly provided with a box cover 24, when the grinding wheel 22 on the right side rotates, the rotating shaft 38 can be rotated through transmission, and the rotation of the grinding wheel 22 not only assists the movement of the seat plate 11, but also drives the box cover 24 to rotate;
the lower end surface of the seat plate 11 is provided with an empty bin 40, the empty bin 40 is provided with an automatic seat armrest mechanism 72, the automatic seat armrest mechanism 72 comprises a second rack 15, the second rack 15 is guided by two positioning blocks 52 fixedly arranged on the inner wall of the rear side of the empty bin 40, the movement of the second rack 15 can rotate with a gear 16 engaged with the second rack 15, the gear 16 is fixedly arranged on a shaft 17, the shaft 17 is rotatably arranged on the inner wall of the rear side of the empty bin 40, the shaft 17 is used for damaging a handrail 14, when the second rack 15 moves left and right, the gear 16 can be driven to rotate through the engagement of the second rack 15 and the gear 16, so that the shaft 17 is driven to rotate, and the handrail 14 can rotate along with the shaft 17;
advantageously, the seat lifting mechanism 70 further includes a first sensor 32 fixedly connected to the box 28, the power source 50 is connected to the first sensor 32 through a wire, the power source 50 is fixedly disposed on the inner wall of the rear side of the box empty bin 23, the motor 35 is fixedly provided with a driving shaft 36, the driving shaft 36 is fixedly connected with a rotating gear 30, the rotating gear 30 is engaged with the first rack 21, a fixing shaft 61 is disposed on the inner wall of the rear side of the box empty bin 23, the fixing shaft 61 is fixedly connected with a rotating gear 60, and the rotating gear is engaged with the first rack 21.
Advantageously, the auxiliary and cover rotating mechanism 71 further comprises a rotating shaft 57 rotatably disposed on the inner wall of the rear side of the box empty bin 23, the rotating shaft 57 is fixedly provided with a gear 46 and a transmission belt wheel 56, the transmission belt wheel 56 is disposed on the front side of the gear 46, the inner wall of the rear side of the box empty bin 23 is rotatably provided with a rotating shaft 38, the rotating shaft 38 is fixedly provided with a belt wheel 39, and the belt wheel 39 and the transmission belt wheel 56 are in friction transmission through a transmission belt 47.
Advantageously, the automatic seat armrest mechanism 72 further includes a spring 49, the spring 49 is fixedly disposed on the inner wall of the empty bin 40 close to the side of the first rack 21, a magnetic block 13 is fixedly disposed at one end of the spring 49 away from the first rack 21, the magnetic block 13 is fixedly connected to the second rack 15, a second sensor 26 and an electromagnet 25 are embedded in the box 28, the second sensor 26 is connected to the electromagnet 25 through a wire, and a third sensor 12 is embedded in the seat plate 11.
The spring 49 is in a normal state in the initial state.
When the seat is not used, the whole structure is in a closed state, and when the first sensor 32 senses that a person approaches, the power supply 50 is enabled to energize the motor 35 to start working, the driving shaft 36 rotates to drive the rotating gear 30 to rotate, so that the first rack 21 engaged with the rotating gear 30 starts to move upwards, and the seat plate 11 is pushed upwards.
The grinding wheel attached to the seat plate 11 is rotated by the seat plate 11, so that the rotation shaft 44 rotates, the rotation gear 45 connected to the rotation shaft 44 rotates, the power gear 46 engaged with the rotation gear 45 rotates, the rotation of the power gear 46 rotates the rotation shaft 57, the rotation of the rotation shaft 57 causes the rotation of the transmission pulley 56, the transmission pulley 56 rotates the pulley 39 by the friction transmission of the transmission belt 47, the rotation shaft 38 connected to the pulley 39 rotates, the connecting rod 27 is fixedly connected to the rotation shaft 38, the cover 24 is fixedly connected to the connecting rod 27, and the cover 24 rotates.
When the seat plate 11 rises to a certain height, the second inductor 26 and the third inductor 12 are induced, so that the electromagnet 25 is electrified to generate an attractive force on the magnetic block 13, the spring 49 is compressed, the magnetic block 13 drives the second rack 15 to move towards the direction of the first rack 21, the second rack 15 drives the gear 16 engaged with the second rack 15, the shaft 17 connected with the gear 16 is caused to rotate, then the armrest 14 connected with the shaft 17 rotates towards the direction far away from the first rack 21, and the armrest 14 is opened.
When the seat plate 11 is opened to be parallel, the motor 35 stops operating, and the rotating gear 30 and the stabilizing gear 60 are engaged with the rack 21 so that the seat is maintained to be stable.
When the first sensor 32 senses that the passenger is spaced apart from the seat plate 11, the motor 35 starts to operate, the driving shaft 36 rotates reversely this time to rotate the rotating gear 30 reversely, so that the first rack 21 engaged with the rotating gear 30 starts to move downward, the seat plate 11 receives a downward pulling force, and the seat plate 11 starts to fold downward.
The grindstone attached to the seat plate 11 starts to rotate in the reverse direction by the drive of the seat plate 11, whereby the rotation shaft 44 rotates, the rotation gear 45 connected to the rotation shaft 44 rotates, the power gear 46 meshing with the rotation gear 45 rotates, the rotation of the power gear 46 rotates the rotation shaft 57, the rotation of the shaft 57 causes the rotation of the transmission pulley 56, the transmission pulley 56 causes the rotation of the pulley 39 by the friction transmission of the transmission belt 47, the rotation shaft 38 connected to the pulley 39 rotates, the cover 24 connected to the rotation shaft 38 through the connecting rod 27 rotates in the reverse direction, and the cover 24 rotates up.
When the seat plate 11 descends to a certain height, the second inductor 26 and the third inductor 12 are inducted, the electromagnet 25 is powered off, the spring 49 is reset, the electromagnet 25 is electrified to generate a repulsive force to the magnetic block 13, the spring 49 is gradually restored to be normal, the magnetic block 13 drives the second rack 15 to move rightwards, the second rack 15 drives the gear 16 meshed with the second rack 15, the shaft 17 connected with the gear 16 rotates reversely, and then the armrest 14 connected with the shaft 17 rotates in a direction close to the first rack 21 until the armrest enters the armrest groove 41.
When the box cover 24 rotates to the top end to cover the box empty bin 23, the motor 35 stops working, and the power supply 50 is turned off.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides an intelligent seat that bus stop equipped with, includes the box, its characterized in that: a box empty bin with an upward opening is arranged in the box body, a base is fixedly arranged on the lower end face of the box body, a seat lifting mechanism is arranged in the box empty bin and comprises a first rack, the first rack is formed by stabilizing the moving range of four fixing plates, the four fixing plates are fixedly arranged on the inner wall of the rear side of the box empty bin, a rotating shaft is rotatably arranged at the upper end of the first rack, and two seat plates are symmetrically and rotatably arranged on the rotating shaft by taking the rotating shaft as the center;
the upper end face of the box body is provided with an auxiliary and box cover rotating mechanism, the mechanism auxiliary and box cover rotate two rotating shafts at the top end of the box body, the two rotating shafts are bilaterally symmetrical by taking the first rack as a center, each rotating shaft is fixedly provided with two grinding wheels and a rotating gear, the inner wall of the empty rear side of the box body is rotatably provided with a rotating shaft, the rear end of the rotating shaft is positioned in an external space and is fixedly provided with a connecting rod, and the front end of the connecting rod is fixedly provided with a box cover;
the lower terminal surface of seat board is equipped with the empty storehouse, the empty storehouse is equipped with automatic armrest mechanism, automatic armrest mechanism includes the second rack, the second rack is in by two fixed settings the locating piece direction of empty storehouse rear side inner wall, the removal of second rack can be rather than the gear revolve of meshing, the gear is fixed to be set up epaxially, the axle rotates and sets up on the empty storehouse rear side inner wall, the axle injury is still fixed and is equipped with the handrail.
2. The intelligent seat of claim 1, wherein: seat elevating system still include with box fixed connection's first inductor, the power with first inductor passes through connection of electric lines, the power is fixed to be set up box vacant bin rear side inner wall, the fixed motor that is equipped with in box vacant bin rear side inner wall, the fixed drive shaft that has on the motor, fixedly connected with rotating gear in the drive shaft, rotating gear with first rack toothing, the fixed axle sets up box vacant bin rear side inner wall, fixed connection rotating gear on the fixed axle, rotating gear with first rack toothing.
3. The intelligent seat of claim 1, wherein:
the auxiliary and box cover rotating mechanism further comprises a rotating shaft which is rotatably arranged on the inner wall of the rear side of the empty box body, a gear and a conveying belt wheel are fixedly arranged on the rotating shaft, the conveying belt wheel is arranged on the front side of the gear, a rotating shaft is rotatably arranged on the inner wall of the rear side of the empty box body, a belt wheel is fixedly arranged on the rotating shaft, and the belt wheel and the conveying belt wheel are in friction transmission through a conveying belt.
4. The intelligent seat of claim 1, wherein: the automatic seat armrest mechanism further comprises a spring, the spring is fixedly arranged on the position, close to the side inner wall of the first rack, of the empty bin, the spring is far away from a magnetic block fixedly arranged at one end of the first rack, the magnetic block is fixedly connected with the second rack, a second sensor and an electromagnet are embedded in the box body, the second sensor is connected with the electromagnet through an electric wire, and a third sensor is embedded in the seat plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010519206.0A CN111481004A (en) | 2020-06-09 | 2020-06-09 | Intelligent seat that bus stop was equipped with |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010519206.0A CN111481004A (en) | 2020-06-09 | 2020-06-09 | Intelligent seat that bus stop was equipped with |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111481004A true CN111481004A (en) | 2020-08-04 |
Family
ID=71795456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010519206.0A Withdrawn CN111481004A (en) | 2020-06-09 | 2020-06-09 | Intelligent seat that bus stop was equipped with |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111481004A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113261797A (en) * | 2021-05-24 | 2021-08-17 | 江西省南城县发华实业有限公司 | Student's tablet chair with flexible function is convenient for have a rest |
-
2020
- 2020-06-09 CN CN202010519206.0A patent/CN111481004A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113261797A (en) * | 2021-05-24 | 2021-08-17 | 江西省南城县发华实业有限公司 | Student's tablet chair with flexible function is convenient for have a rest |
CN113261797B (en) * | 2021-05-24 | 2022-11-29 | 云阳县泥溪镇泥溪小学 | Student's tablet chair with flexible function is convenient for have a rest |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106838177B (en) | A kind of bulk goods hopper | |
CN111481004A (en) | Intelligent seat that bus stop was equipped with | |
CN111204355B (en) | Subway automatic folding seat facing passenger flow peak and using method | |
CN210216234U (en) | Novel gate | |
CN209381973U (en) | A kind of electric car changes electric cabinet with changing electric transfer table | |
CN208561556U (en) | Elevator structure in a kind of medicine selling machine drug | |
CN206801367U (en) | A kind of induction door of city rail traffic | |
CN209441294U (en) | Vehicle intelligent master control liquid crystal screen device, automatic seat handrail and automatic seat | |
CN112190088A (en) | Multi-functional intelligent toilet glass | |
CN218619017U (en) | Transfer device for glass drifting slide way | |
CN204852212U (en) | A medical aid | |
CN209369436U (en) | Intelligent stereo garage | |
CN219446867U (en) | An automatic lifting car armrest storage box | |
CN214504537U (en) | Automatic-delivery type unmanned bookcase | |
CN213921014U (en) | Rail vehicle seat lift handrail | |
CN213505507U (en) | Novel medical elevator | |
CN110667443B (en) | Movable base matched with child safety chair for use | |
CN213141277U (en) | Wisdom city is article strutting arrangement for public latrine | |
CN209008749U (en) | A kind of electro-tricycle adjustable seat | |
CN211364751U (en) | Automobile spare tire suspension protection device | |
CN211722938U (en) | Semi-automatic back rubbing machine for bathing | |
CN211432645U (en) | Semi-automatic back rubbing machine for bathing | |
CN107095489A (en) | A kind of intelligentized Furniture with mutual handoff functionality between desk and bed | |
CN209469061U (en) | The tilting parking device of energy-saving type charge function | |
CN106904170A (en) | A kind of track hangs car |
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: 20200804 |
|
WW01 | Invention patent application withdrawn after publication |