CN106809064A - A kind of adjustable for height child safety seat and its regulation and control method - Google Patents
A kind of adjustable for height child safety seat and its regulation and control method Download PDFInfo
- Publication number
- CN106809064A CN106809064A CN201710121454.8A CN201710121454A CN106809064A CN 106809064 A CN106809064 A CN 106809064A CN 201710121454 A CN201710121454 A CN 201710121454A CN 106809064 A CN106809064 A CN 106809064A
- Authority
- CN
- China
- Prior art keywords
- lock pin
- height
- shell
- adjustable
- child safety
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a kind of adjustable for height child safety seat and its regulation and control method, including seat shell, cushion, arrangement for adjusting height, resetting means；Arrangement for adjusting height includes spring and lock pin；Spring one end is fixed on lock pin bottom, the other end and is fixed on outer casing inner wall；Lock pin top passes the lock pin hole of shell；Spring is in compressive state, and lock pin is pressed on shell；The lock pin for passing lock pin hole is used for support seat cushion；Resetting means includes camshaft, reseting handle, the cam of one, and reset tooth；The upper and lower ends of camshaft are respectively embedded into the circular trough of case body inner tip and bottom, and can be around own rotation；Reseting handle passes the handle groove of shell for stirring；Reset tooth one end is fixed on lock pin bottom, other end wrapping cam, and when reseting handle is stirred, cam rotation can be oppressed in the dynamic lock pin retraction housing of reset cingulum.Height of seat multistage of the present invention is adjustable, it is adaptable to the children of multiple age brackets, reduces repeat buying.
Description
Technical field
The present invention relates to a kind of adjustable for height child safety seat, belong to automobile attendant equipment passive security technology
Field.
Background technology
As automobile steps into family, the situation of children's ride-on automobile trip is more and more, related to children therewith
Traffic accident incidence also more and more higher.According to World Health Organization's survey data of 2002, there are 49736 babies of 0~4 years old
Child is dead in traffic accident, while there is 130835 children of 5~14 years old dead in traffic accident, works as in all causes of the death
In, traffic accident has become the second largest reason for causing 5~14 years old children's injures and deaths, is only second to drown.According to National Highway
The statistics of traffic safety office (National Highway Traffic Safety Administration, NHTSA),
2006 annuals have 5 children of 0 to 14 year old to die from vehicle traffic accident daily, and 568 injured in traffic accident.According to another
The statistics of Japanese MHLW, the 1249 of death ratios for dying from contingency for 1 to 4 year old in children are maximum within 2002
(23.4%), wherein 34.5% contingency is caused by traffic accident.
It is external much to study and experience have shown that the use of child safety seat substantially reduce children injury and death.Come from
The World Health Organization《The report of the prevention injured by road traffic accident world》(2004) data display：There is children's peace when car is collided
Full seat can make the death rate reduction by 71% of baby, the death rate reduction by 54% of child.As can be seen here, child safety seat can be most
The suffered injury in the case of automobile occurs brake hard or accident collision of child passenger is reduced in big degree.Different age group
Children are different with weight due to height, generally have specific demand for safety by bus.4~8 years old children physique amounts are about 18~
36kg, less than 145cm, if using adult belt, in collision process, shoulder belt may fasten neck of child height, make
Virgin neck fractures or is choked to death.In addition, children's pelvis anterior inferior spine was not all developed completely before 10 years old, children are caused to multiply
Less than adult, when children are using adult belt, waistband can not be positioned member's pavilion of pelvis well, so that abdominal injury risk
Increase.
Thus, the children of different age group will be equipped with different child safety seats, then with children's body weight and height
Continuous growth, child safety seat is accomplished by ceaselessly changing, and this can turn into one no small expense of one family.Except this it
Outward, conventional use of child safety seat is a very large absolute construction, by car belt or fixed system (ISO-
FIX) it is arranged on automotive seat, not only mounts and dismounts complexity, and it is big to take up space, and carries very inconvenient.
The content of the invention
For above-mentioned situation, the present invention is improved to existing conventional safety seat, and become to protect well
The children of all age group are protected, the safety seat of numerous parents can be facilitated again.The technical solution adopted by the present invention is：A kind of nothing is leaned on
The back of the body, ISOFIX fixed forms, 3 to 12 years old children use, height Multi-stage adjustable safety seat.The children of present invention design
Safety seat includes seat shell, cushion, the spring and lock pin of arrangement for adjusting height, resetting means, ISOFIX interfaces.
Realize that technical scheme is as follows：
A kind of adjustable for height child safety seat, including seat shell, cushion, arrangement for adjusting height and the dress that resets
Put；The arrangement for adjusting height, resetting means are respectively positioned on the inside of seat shell.Shell inner side both sides are respectively provided with some socket cores
Hole and handle groove；The arrangement for adjusting height includes spring and lock pin, and one end of the spring is fixed on the bottom of lock pin, another
End is fixed on the inwall of seat shell, and the lock pin top passes the lock pin hole of the seat shell housing, and lock pin passes through bullet
The power that spring applies is in the position in lock pin hole, and spring is in compressive state, lock pin is pressed on shell, passes lock pin hole
Partial lock pin is used for support seat cushion.
The resetting means includes camshaft, reseting handle, several cams and reset tooth；Resetting means is in seat shell
Each side one；The camshaft, reseting handle, several cams are fixed as one；The seat shell left and right sides
Inner tip and bottom are respectively equipped with circular trough, and the upper and lower ends of the camshaft are respectively embedded into the seat shell enclosure interior
In the circular trough of top and bottom, and can be around own rotation；The reseting handle passes the hand on the seat shell housing
Handle groove, and can be moved back and forth along handle groove；The reset tooth is L-shaped, and its one end is fixed on lock pin bottom, other end wrapping institute
Cam is stated, and in cam axle, the rotation of the cam can oppress the reset tooth；
The seat is fixed on automotive seat seat by the ISOFIX interface and car belt being fixed on shell
On.
The lock pin bottom is additionally provided with baffle plate, and the size of the baffle plate is more than the lock pin hole chi on the seat shell housing
It is very little.
The section of the lock pin is triangle.Described several lock pin holes are identical, left and right sides lock pin hole to base
The distance between all same, the distance between lock pin hole is identical.
The seat shell is U-shaped, and the front and back end of two side is provided with shell baffle plate, so that position cushion in the inner is more
Plus firmly.
The regulation and control method of above-mentioned child safety seat is：
When initial, on the bottom surface that cushion is placed on the inside of shell, seat is set to be in the first order highly；
Highly, cushion is lifted upwards according to by the specific age of protection children, height and the corresponding grade of body weight when using
Rise, cushion compression lock pin during lifting, and then compress the spring being connected with lock pin, spring contraction is driven in lock pin indentation shell
Portion, until cushion is lifted to lock pin top；Now cushion does not recompress lock pin, and lock pin is ejected by the elastic force of compression spring, enters
And cushion is placed on above the lock pin of ejection, realize that height is adjusted；
When needing to reset, reseting handle is rotated, drive camshaft around own rotation, and then drive cam rotation, cam
Rotate and apply pressure to the bottom of L-shaped reset tooth, the dynamic lock pin of reset cingulum is retracted, and compression reseting spring makes during lock pin is retracted
Lock pin is obtained to be moved to shell enclosure interior direction；When lock pin is fully retracted the inside of case body, cushion is adjusted downward to original position, complete
Into reset.
Beneficial effects of the present invention：
1. said structure is used, reduces the volume of child safety seat, ISOFIX interfaces are more convenient to be installed, and security is more
Height, rising cushion can effectively protect children to mitigate it because of injuring that vehicle collision is subject to.
2. the child safety seat height of present invention design is multistage adjustable, it is adaptable to all age group difference height and body weight
Children, parent need not repeatedly buy, and mitigate the burden of parent.
Brief description of the drawings
Fig. 1 is overall appearance figure of the child safety seat of the present invention in cushion first order height
Fig. 2 is overall appearance figure when child safety seat cushion of the present invention is adjusted to the second level
Fig. 3 is overall appearance figure of the child safety seat of the present invention in cushion third level height
Fig. 4 is seat side enclosure schematic diagram of the invention
Fig. 5 is single-stage inserting core structure schematic diagram of the invention
Fig. 6 is single-stage cushions support schematic device of the invention
Fig. 7 is resetting means schematic diagram of the present invention
Description of reference numerals：
1- shells, 2-ISOFIX interfaces, 3- lock pins I, 4- lock pin II, 5- cushion, 6- reseting handles, 7- compression springs I, 8-
Compression spring II, 9- reset tooth, 10- baffle plates, 11- lock pins, 12- springs, 13- cams I, 14- reset tooth I, 15- cam II, 16-
Reset tooth II, 17- camshaft, 18- shell baffle plates.
Specific embodiment
The present invention elaborates so that three-level is highly adjusted as an example and with reference to accompanying drawing to the embodiment of the present invention.
As shown in Figures 1 to 6, it is the adjustable three height grades of child safety seat of the present invention.Including on-fixed connection
Cushion 5, seat shell 1 and ISOFIX interfaces 2.ISOFIX interfaces are standard component, are fixedly connected in seat shell.The present invention
Child safety seat be fixed on car seat by ISOFIX interfaces, the safety belt fixation for then being carried using automobile is protected
Shield object.
Arrangement for adjusting height includes spring 12 and lock pin 11, reseting handle 6, reset tooth I14 in resetting means, reset tooth
II16 and cam I13, cam II15 are respectively positioned on the inside of seat shell 1, and both sides respectively have a set of, symmetrical.In seat shell
Portion's first order is highly adjusted to be placed directly in cushion on outer casing base, and second level arrangement for adjusting height is by lock pin II4 and compression
Spring II8 is constituted, and third level arrangement for adjusting height is made up of lock pin I3 and compression spring I7, and two-stage arrangement for adjusting height is from lower
On be disposed in parallel in child safety seat enclosure of the present invention.The compression spring I7 is identical with compression spring II8, inserts
Core I3 is also identical with lock pin II4.Base upper surface to lock pin II4 upper surfaces distance and lock pin II4 upper surfaces to insert
The distance of core I3 upper surfaces is set according to the specific requirement of the height of different age group children.Seat shell both sides are respectively provided with two
Individual lock pin hole, it is positioned opposite.Concrete shape per one-level lock pin as shown in figure 5, the section of lock pin is triangle, lock pin shape with
Card lock pin hole shape matching on shell.The compression spring two ends per one-level are respectively fixedly connected with the inwall and correspondence of shell
Lock pin, the bottom of lock pin triangle is additionally provided with baffle plate 10, and the size of baffle plate 10 is slightly larger than lock pin hole, for hindering due to compression bullet
The lock pin ejection lock pin hole that spring bounce-back causes.When being suitable for the second level or the by protection specific age of children, height and body weight
During three-level height, cushion 5 is lifted, during lifting, lock pin is retracted shell by the compression spring that cushion compression lock pin is connected
Inside, until cushion is lifted to lock pin top, cushion does not recompress lock pin, and lock pin is ejected by the compression stress of compression spring, due to
The effect of baffle plate, is used for placing cushion so as to be against at lock pin hole, above lock pin.It is provided with outer before and after safety seat shell 1
Shell baffle plate 18, as shown in figure 1, preventing cushion from moving forward and backward.
The resetting means is arranged symmetrically positioned at safety seat enclosure both sides of the present invention.Unilateral resetting means is as schemed
Shown in 7, by reseting handle 6, reset tooth I14, reset tooth II16, camshaft 17, cam I13 and cam II15 is constituted；Its convexity
The number of the number of wheel, the number of reset tooth with lock pin is corresponding, the series of the number respective heights regulation of lock pin.Wherein, it is multiple
Position handle 6, camshaft 17, cam I13, cam II15 is fixed to integration.The upper and lower ends of the camshaft 17 are respectively embedded into outer
In the circular trough of the top and bottom of shell housing 1 (as shown in Figure 4).2 reset teeth are L-shaped, 2 tops of reset tooth L-shaped
It is separately fixed on every grade of baffle plate of lock pin bottom, 2 bottoms of L-shaped wrap the cam of corresponding position respectively, rotates and reset
Handle 9 drives camshaft 17 around own rotation, and then drives 2 cam rotations, and the rotation of cam is applied to the bottom of L-shaped reset tooth
Plus-pressure, and then compression reseting spring causes that lock pin is moved to shell enclosure interior.Treat that lock pin is fully retracted the interior of case body 1
During portion, cushion just can press to original position.
Child safety seat installing/dismounting of the present invention is simple, and the child safety seat of in the market is because part and fixation
Device is more, installs cumbersome, this product installation use ISOFIX interfaces, simply and compared with three-point safety belt fixes more
Safety.The scope of application of the present invention is big, and the children for being adapted to 3-12 Sui age use, and parent need to only buy a set of, alleviate house
Financial burden long.
Those listed above is a series of to be described in detail only for feasibility implementation method of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included within the scope of the present invention.
Claims (10)
1. a kind of adjustable for height child safety seat, it is characterised in that including seat shell (1), cushion (5), height is adjusted
Device, resetting means；The arrangement for adjusting height, the resetting means are respectively positioned on the enclosure interior of seat shell (1)；
Seat shell (1) inner side both sides are respectively provided with lock pin hole；The lateral surface of the seat shell is provided with handle groove；
The arrangement for adjusting height includes spring (12) and lock pin (11)；One end of the spring (12) is fixed on lock pin (11)
Bottom, the other end is fixed on the inwall of seat shell (1), and the lock pin top passes the lock pin of the seat shell housing
Hole；The lock pin (11) is in the position in lock pin hole by the power that spring (12) applies；The spring (12) is in compression
State, lock pin (11) is pressed on shell；Passing the lock pin of lock pin bore portion is used to support the cushion (5)；
The resetting means includes camshaft (17), reseting handle (6), several cams and reset tooth (9)；The camshaft
(17), reseting handle (6), several cams are fixed as one；Seat shell (1) left and right sides inner tip and bottom are distinguished
Circular trough is provided with, the upper and lower ends of the camshaft (17) are respectively embedded into the circle of the seat shell enclosure interior top and bottom
In shape groove, and can be around own rotation；The reseting handle (6) passes the handle groove on the seat shell housing, and can
Moved back and forth along handle groove；Described reset tooth one end is fixed on lock pin bottom, the other end and wraps the cam, and in camshaft
(17) when rotating, the rotation of the cam can oppress the reset tooth.
2. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that the lock pin (11)
Section is triangle.
3. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that described several lock pins
Hole is identical；The distance between the lock pin hole is identical；The lock pin hole is to the distance between enclosure bottom all same.
4. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that the lock pin bottom is also
Baffle plate (10) is provided with, the size of the baffle plate is more than the lock pin hole size on the seat shell housing.
5. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that the lock pin hole is set
It is two rows, realizes that cushion is located at three kinds of different heights.
6. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that the reset tooth (9)
It is L-shaped.
7. a kind of adjustable for height child safety seat according to claim 1, it is characterised in that the seat shell
Two sides in left and right are additionally provided with shell baffle plate (18).
8. a kind of adjustable for height child safety seat according to any one of claim 1 to 7, it is characterised in that described
Adjustable for height child safety seat is fixed on automotive seat by ISOFIX interfaces (2).
9. a kind of adjustable for height child safety seat according to claim 8, it is characterised in that the ISOFIX interfaces
(2) it is arranged on the shell of the child safety seat.
10. a kind of regulation and control method of adjustable for height child safety seat, it is characterised in that
When initial, on the bottom surface that cushion (5) is placed on the inside of shell, seat is set to be in the first order highly；
Highly, cushion (5) is lifted upwards according to by the specific age of protection children, height and the corresponding grade of body weight when using
Rise, cushion (5) compresses lock pin (11) during lifting, and then compresses the spring (12) being connected with lock pin, and spring (12) shrinks band
Dynamic lock pin (11) indentation enclosure, until above cushion (5) lift to lock pin (11)；Now cushion (5) does not recompress lock pin
(11), lock pin (11) is ejected by the elastic force of compression spring, and then the lock pin (11) that cushion (5) is placed on into ejection is above,
Realize that height is adjusted；
When needing to reset, reseting handle (6) is rotated, drive camshaft (17) around own rotation, and then drive cam rotation, cam
Rotation apply pressure to the bottom of L-shaped reset tooth (9), reset tooth (9) drives lock pin (11) to retract, lock pin (11) retraction process
Middle compression spring (12) is such that lock pin (11) is moved to shell enclosure interior direction；Treat that lock pin (11) is fully retracted case body
When internal, cushion (5) is adjusted downward to original position, completes to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121454.8A CN106809064B (en) | 2017-03-02 | 2017-03-02 | Height-adjustable child safety seat and adjusting and controlling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710121454.8A CN106809064B (en) | 2017-03-02 | 2017-03-02 | Height-adjustable child safety seat and adjusting and controlling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106809064A true CN106809064A (en) | 2017-06-09 |
| CN106809064B CN106809064B (en) | 2022-11-18 |
Family
ID=59114793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710121454.8A Active CN106809064B (en) | 2017-03-02 | 2017-03-02 | Height-adjustable child safety seat and adjusting and controlling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106809064B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521386A (en) * | 2017-09-30 | 2017-12-29 | 苏州逗乐儿童用品有限公司 | Height-adjustable juvenile automobile heightening base |
| CN109910698A (en) * | 2018-11-20 | 2019-06-21 | 蔚来汽车有限公司 | Seat chair with adjustable and vehicle comprising the seat chair with adjustable |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627301U (en) * | 1992-09-05 | 1994-04-12 | 誠 矢田 | Car seat |
| US20080088164A1 (en) * | 2005-01-12 | 2008-04-17 | Ford Global Technologies Llc | Adjustable Seat |
| KR101362390B1 (en) * | 2013-10-30 | 2014-02-12 | 한국오텍공업(주) | Vehicle seat for adult and child |
| CN104039591A (en) * | 2011-10-07 | 2014-09-10 | 多爱法国股份有限公司 | Car Seat For A Child, The Height Of The Seat Portion Of Which Is Adjustable |
| EP2913220A1 (en) * | 2014-02-28 | 2015-09-02 | Volvo Car Corporation | Adjustable child seat |
| CN105667357A (en) * | 2016-03-10 | 2016-06-15 | 杭州恩赐婴童用品有限公司 | Height-adjustable child safety seat and height adjusting method thereof |
| CN206537179U (en) * | 2017-03-02 | 2017-10-03 | 江苏大学 | A kind of adjustable for height child safety seat |
-
2017
- 2017-03-02 CN CN201710121454.8A patent/CN106809064B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627301U (en) * | 1992-09-05 | 1994-04-12 | 誠 矢田 | Car seat |
| US20080088164A1 (en) * | 2005-01-12 | 2008-04-17 | Ford Global Technologies Llc | Adjustable Seat |
| CN104039591A (en) * | 2011-10-07 | 2014-09-10 | 多爱法国股份有限公司 | Car Seat For A Child, The Height Of The Seat Portion Of Which Is Adjustable |
| KR101362390B1 (en) * | 2013-10-30 | 2014-02-12 | 한국오텍공업(주) | Vehicle seat for adult and child |
| EP2913220A1 (en) * | 2014-02-28 | 2015-09-02 | Volvo Car Corporation | Adjustable child seat |
| CN105667357A (en) * | 2016-03-10 | 2016-06-15 | 杭州恩赐婴童用品有限公司 | Height-adjustable child safety seat and height adjusting method thereof |
| CN206537179U (en) * | 2017-03-02 | 2017-10-03 | 江苏大学 | A kind of adjustable for height child safety seat |
Non-Patent Citations (1)
| Title |
|---|
| 王翔等: "增高座椅性能参数影响及损伤仿真分析", 《计算机与现代化》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107521386A (en) * | 2017-09-30 | 2017-12-29 | 苏州逗乐儿童用品有限公司 | Height-adjustable juvenile automobile heightening base |
| CN109910698A (en) * | 2018-11-20 | 2019-06-21 | 蔚来汽车有限公司 | Seat chair with adjustable and vehicle comprising the seat chair with adjustable |
| CN109910698B (en) * | 2018-11-20 | 2022-02-08 | 蔚来(安徽)控股有限公司 | Adjustable seat and vehicle comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106809064B (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106809064A (en) | A kind of adjustable for height child safety seat and its regulation and control method | |
| CN206537179U (en) | A kind of adjustable for height child safety seat | |
| Mackay | The increasing importance of the biomechanics of impact trauma | |
| CN108068744A (en) | For the front side safety airbag of vehicle | |
| EP2081800A2 (en) | Improvements of child safety seat-up in a vehicle | |
| CN2915593Y (en) | Inflatable children's safe vehicle seat | |
| CN102114823A (en) | Brain wave-type collision protection helmet/belt | |
| CN206678694U (en) | Non-inflatable tyre and walking-replacing tool with shock-damping structure | |
| CN210540003U (en) | Safe type high altitude seat | |
| CN108602456A (en) | Portable safety chair | |
| CN105327481A (en) | Liftable bench pressing device with safety protection function | |
| CN215482600U (en) | Wave form roof beam guardrail | |
| CN207207808U (en) | A kind of automobile children safety protection chair arrangement for adjusting height | |
| CN202863190U (en) | Integrated automobile child safety seat | |
| CN103273861A (en) | Motor vehicle front collision safety seat | |
| CN206826440U (en) | A kind of motor vehicle member is with five-point safety restraint device | |
| CN102963333A (en) | Baby safety seat | |
| CN207311212U (en) | A kind of motor vehicle seat back structure | |
| KR20130017302A (en) | Treatment apparatus of neck disk and treatment method using the same | |
| CN208721363U (en) | A kind of automobile manikin head collision prevention device | |
| CN106064598A (en) | Curtain air bag | |
| CN216416668U (en) | Appearance effect model for architectural design | |
| CN206182778U (en) | Bring a prisoner before court and use safe seat | |
| CN211797020U (en) | Simple and easy regulation formula non-human primate baoding device | |
| CN208069586U (en) | A kind of higher semitrailer side rail of safety |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |