CN108657034A - A kind of children's seat adjusted convenient for head rest - Google Patents
A kind of children's seat adjusted convenient for head rest Download PDFInfo
- Publication number
- CN108657034A CN108657034A CN201810652082.6A CN201810652082A CN108657034A CN 108657034 A CN108657034 A CN 108657034A CN 201810652082 A CN201810652082 A CN 201810652082A CN 108657034 A CN108657034 A CN 108657034A
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- China
- Prior art keywords
- limit
- locking bar
- head rest
- spring
- hole
- Prior art date
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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
- B60N2/2851—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle provided with head-rests
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)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of children's seats adjusted convenient for head rest, including pedestal, hand basket and head rest, the head rest to be slidably mounted in the hand basket through a regulating device, it is characterised in that：The regulating device includes locating piece, connector and locking bar, the locating piece is fixedly installed on the hand basket, the connector is installed on the bottom of the head rest, the bottom surface of the connector is equipped with buckling groove, it is arranged in the middle part of the locking bar in the buckling groove, and the bottom outer-edge face of the locking bar exposes to the bottom of the connector；The locating piece is U-shaped structure, including bottom plate and the side plate for being set to bottom plate both sides, is respectively equipped with a bar limit slot on the side plate, the both ends of the locking bar are slideably positioned in the bar limit slot of side plate described in both sides；The bottom plate is equipped with plural groups elastic spacing one, and limit cavity is constituted between adjacent spring locating part, and the locking bar is set in the limit cavity.The present invention improves the convenience of head rest adjusting.
Description
Technical field
The present invention relates to a kind of children's seat more particularly to a kind of children's seats adjusted convenient for head rest.
Background technology
Children's seat is mainly arranged on automotive seat for being used when children riding, to protect the person of children to pacify
Entirely.Currently, children's seat is more and more applied, sale in the market has various children's seats.To make
Virgin seat can adapt to the use of different height children, at present on children's seat the height of head rest be typically can up and down adjustment,
But the head rest adjustment structure of existing children's seat is complicated, installation difficulty is high, and the adjusting of head rest is very inconvenient.Cause
How this, solve above-mentioned technical problem, is that those skilled in the art need the direction made great efforts.
Invention content
It is an object of the present invention to provide a kind of children's seats adjusted convenient for head rest to improve head rest by using the structure
The convenience that position is adjusted.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of children's seat adjusted convenient for head rest, including
The bottom clamping of pedestal, hand basket and head rest, the hand basket is installed on the pedestal, and the hand basket is separable knot with pedestal
Structure, the head rest are slidably mounted on through a regulating device in the hand basket, and the regulating device includes locating piece, connector and lock
Bar, the locating piece are fixedly installed on the hand basket, and the bottom of the head rest, institute are fixedly installed at the top of the connector
The bottom surface for stating connector is equipped with the buckling groove of a semicircular structure, is arranged in the buckling groove in the middle part of the locking bar, and
The bottom outer-edge face of the locking bar exposes to the bottom of the connector；The locating piece is U-shaped structure, including bottom plate and setting
Side plate in bottom plate both sides, the bottom plate are installed on the hand basket, and the side plate is arranged perpendicular to the bottom plate, described in both sides
A bar limit slot is respectively equipped on side plate, the both ends of the locking bar are slideably positioned in the bar limit slot of side plate described in both sides
It is interior；The bottom plate is equipped with plural groups elastic spacing one, and elastic spacing one described in plural groups is uniformly installed on described from the bottom to top
Limit cavity is constituted on bottom plate, between adjacent spring locating part, the locking bar is set in the limit cavity, pushes the head
Support, the head rest drive the connector and the locking bar to be moved in the bar limit slot, and the locking bar can compress institute
Elastic spacing one is stated, the locking bar is made to be displaced into adjacent limit cavity.
In above-mentioned technical proposal, the elastic spacing one includes that spring and limit spin, the bottom plate are equipped with a plurality of
Limit hole, the 1/2~4/5 of a diameter of limit ball diameters of open top of the limit hole, the limit hole inside is straight
Diameter is greater than or equal to the diameter of the limit spin, and the spring and the limit spin are set in the limit hole, described
The bottom of spring is butted on the bottom of the limit hole, is butted at the top of the spring on the bottom outer-edge face of the limit spin,
The top outer edge surface of the limit spin exposes to the top outer of the limit hole.
In above-mentioned technical proposal, the limit hole be ladder limit hole, the limit hole include coaxial arrangement upper hole and
Lower opening, the upper hole are connected with the top surface of the bottom plate, and the 1/2~4/ of a diameter of limit ball diameters in the upper hole
5, the diameter of the lower opening is greater than or equal to the diameter of the limit spin, and the spring is set in the lower opening, the bullet
The bottom of spring is butted on the bottom surface of the lower opening, and the top surface of the spring is butted on limit spin bottom outer-edge face, described
Spring makes the joint for limiting spin and being set to the upper hole and lower opening.
In above-mentioned technical proposal, the depth in the upper hole is the 1/6~1/2 of the limit ball diameters.
In above-mentioned technical proposal, the bottom of the limit hole is connected with the bottom surface of the bottom plate, each limit hole
Inner edge surface be equipped with internal thread, the bottom of each limit hole is bolted with a positioning column, and the positioning column is through the interior spiral shell
Line is bolted in the limit hole, and the bottom of the spring is butted on the top surface of the positioning column.
In above-mentioned technical proposal, the top of the positioning column is equipped with a protrusion, and the bottom surface of the positioning column is equipped with cross
The bottom of locked groove, the spring is arranged in the protrusion, and limit spin bottom outer-edge face is butted at the top of the spring
On, the 1/2~3/4 of a diameter of limit ball diameters of the spring.
In above-mentioned technical proposal, the width of the bar limit slot and the diameter of the locking bar match, the locking bar
Both ends are respectively equipped with a stop nut, and the diameter of the stop nut is more than the width of the bar limit slot, the limit spiral shell
Mother is set to the outside of the side plate.
In above-mentioned technical proposal, the locking bar is arranged in the buckling groove, and the bottom outer-edge face of the locking bar is butted on institute
It states on the top surface of bottom plate.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. connector can on the positioning element be slided up and down by locking bar in the present invention, pass through the bottom plate in locating piece
The upper multigroup elastic spacing one of setting enforces head rest in this way when head rest is adjusted, and locking bar can either elasticity of compression limit
Part makes locking bar be moved in adjacent limit cavity by elastic spacing one, can realize head rest quickly and convenient adjusting, together
When it is simple in structure, easier for installation, cost is cheaper；
2. elastic spacing one is made of limit spin and spring in the present invention, when locking bar moves, locking bar squeezes limit
Position spin, limit spin can squeeze spring, and such locking bar can quickly pass through limit spin movement, mobile completion
Afterwards, spring restores, and limit spin can be driven to rise, and limits spin in this way and can be realized as the limit to locking bar, ensures to adjust
Convenience.
Description of the drawings
Fig. 1 is the structural schematic diagram in the embodiment of the present invention one；
Fig. 2 is the partial enlarged view in Fig. 1；
Fig. 3 is the structural schematic diagram of locating piece in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram that connector is connect with locking bar in the embodiment of the present invention one.
Wherein：1, hand basket；2, head rest；3, locating piece；4, connector；5, locking bar；6, buckling groove；7, bottom plate；8, side plate；9、
Bar limit slot；10, elastic spacing one；11, cavity is limited；12, spring；13, spin is limited；14, limit hole；15, upper hole；
16, lower opening；17, positioning column；18, raised；19, cross locked groove；20, through-hole；21, stop nut.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment one：Shown in Fig. 1~4, a kind of children's seat adjusted convenient for head rest, including pedestal, hand basket 1 and head
The bottom clamping of support 2 (pedestal is not drawn into), the hand basket 1 is installed on the pedestal, and the hand basket 1 is separable knot with pedestal
Structure, the head rest 2 are slidably mounted on through a regulating device in the hand basket 1, and the regulating device includes locating piece 3, connector 4
And locking bar 5, the locating piece 3 are fixedly installed on the hand basket 1, the top of the connector 4 is fixedly installed in the head rest 2
Bottom, the bottom surface of the connector 4 is equipped with the buckling groove 6 of a semicircular structure, and the middle part of the locking bar 5 is arranged in described
In buckling groove 6, and the bottom outer-edge face of the locking bar 5 exposes to the bottom of the connector 4；The locating piece is U-shaped structure,
Including bottom plate 7 and be set to the side plates 8 of 7 both sides of bottom plate, the bottom plate 7 is installed on the hand basket 1, the side plate 8 perpendicular to
The bottom plate 7 is arranged, and is respectively equipped with a bar limit slot 9 on side plate 8 described in both sides, the both ends of the locking bar 5 are slideably positioned in
In the bar limit slot 9 of side plate 8 described in both sides；The bottom plate 7 is equipped with plural groups elastic spacing one 10, elasticity described in plural groups
Locating part 10 is uniformly installed on the bottom plate 7 from the bottom to top, and limit cavity 11 is constituted between adjacent spring locating part 10, described
Locking bar 5 is set in the limit cavity 11, and the head rest 2, the head rest 2 is pushed to drive the connector 4 and the locking bar 5
It is moved in the bar limit slot 9, the locking bar 5 can compress the elastic spacing one 10, and the locking bar 5 is made to be displaced into phase
In neighbour's limit cavity 11.
In the present embodiment, head rest needs the use adjusted, enforces head rest, since connector is connect with head rest,
Connector movement is exactly enforced, since locking bar is plugged in the buckling groove of connector, such connector drives locking bar simultaneously
Mobile, due to the presence of thrust when locking bar touches elastic spacing one, locking bar can squeeze elastic spacing one, by elastic spacing
Part pushes, and enables locking bar smoothly by elastic spacing one, by later, due to losing the extruding force of locking bar, and elasticity in this way
Locating part restores to the original state, and continues to play position-limiting action to gag lever post.In this mode, if not enforcing head rest, elasticity
Locating part can limit locking bar, that is, be limited to head rest.In the present embodiment, the regulative mode of head rest facilitates fast
Victory, and it is simple in structure.
Shown in Fig. 1,2, the elastic spacing one 10 includes that spring 12 and limit spin 13, the bottom plate 7 are equipped with
A plurality of limit holes 14, the 1/2~4/5 of a diameter of limit 13 diameter of spin of open top of the limit hole 14, it is described
14 inside diameter of limit hole is greater than or equal to the diameter of the limit spin 13, the spring 12 and the limit spin 13 setting
In in the limit hole 14, the bottom of the spring 12 is butted on the bottom of the limit hole 14, and the top of the spring 12 is butted on
On the bottom outer-edge face of the limit spin 13, the top outer edge surface of the limit spin 13 exposes to the top of the limit hole
Outside.
The limit hole 14 is ladder limit hole, and the limit hole 14 includes upper hole 15 and the lower opening 16 of coaxial arrangement, institute
It states hole 15 with the top surface of the bottom plate 7 to be connected, the 1/2~4/ of a diameter of limit 13 diameter of spin in the upper hole 15
5, the diameter of the lower opening 16 is greater than or equal to the diameter of the limit spin 13, and the spring 12 is set to the lower opening 16
Interior, the bottom of the spring 12 is butted on the bottom surface of the lower opening 16, and the top surface of the spring 12 is butted on the limit spin 13
On bottom outer-edge face, the spring 12 makes the joint for limiting spin 13 and being set to the upper hole 15 and lower opening 16.
The depth in the upper hole is the 1/6~1/2 of the limit ball diameters.
In the present embodiment, locking bar is cylindrical structure, when head rest does not move, that is, normal operating condition
Under, locking bar is between adjacent limit spin, and due to the presence of spring, spring can jack up limit spin upwards, and limit is made to roll
It is exposed on the top surface of bottom plate at the top of ball, that is, constitutes limit cavity between adjacent limit spin, locking bar can carried out
Limit.When head rest needs mobile, head rest is pushed, that is, enforce locking bar, by taking locking bar moves up as an example, locking bar is upward
It is mobile, when locking bar touches limit spin, since there is locking bar upward dynamics, locking bar can squeeze limit spin, squeeze
While limiting spin, limit spin squeezes spring, and by spring downward, locking bar presses to limit by spin is limited in this process
In the hole of position, until after locking bar passes through limit spin, limit spin no longer receives the extruding force of locking bar, and such spring restores
Limit spin is jacked up, so that it is exposed on the top surface of bottom plate, play the position-limiting action to locking bar by original state.Wherein, due to upper hole
A diameter of limit ball diameters 1/2~4/5, in this way limit spin top can be exposed on the top surface of bottom plate, still
Limit hole cannot be rolled out again, effectively realize the limit effect to locking bar.
Shown in Fig. 1,2, the bottom of the limit hole 14 is connected with the bottom surface of the bottom plate 7, each limit
The inner edge surface in hole 14 is equipped with internal thread, and the bottom of each limit hole 14 is bolted with a positioning column 17, the positioning column 17
It is bolted in the limit hole 14 through the internal thread, the bottom of the spring 12 is butted on the top surface of the positioning column 17.
The top of the positioning column 17 is equipped with a protrusion 18, and the bottom surface of the positioning column 17 is equipped with cross locked groove 19, institute
The bottom for stating spring 12 is arranged on described raised 18, and the top of the spring 12 is butted on the 13 bottom outer-edge face of limit spin
On, the 1/2~3/4 of a diameter of limit 13 diameter of spin of the spring 12.
In the present embodiment, internal thread is arranged in lower opening, by the setting of limit hole, is convenient for the peace of limit spin in this way
Dress is convenient for the limit and installation to spring then by the setting of positioning column in this way, by the setting of protrusion, be convenient for spring into
Row limit.When being installed to limit spin and spring.First limit spin is put into lower opening, then by spring pocket in protrusion,
Then positioning column is screwed in limit hole, spring is made to resist limit spin, limit spin is supported and is limited.
In the present embodiment, multiple through-holes 20 being equipped in the bottom of hand basket 1, each one limit hole of through-hole face is arranged,
It is exactly each through-hole face positioning column setting.Due to being against at the top of spring on the outer edge surface of limit spin bottom, bottom is against
On the top surface of positioning column, it is positioned such that the distance between capital face and limit spin bottom are bigger, that is, spring deformation
Surplus it is big, that is, to the limit dynamics smaller of locking bar, and it is smaller to position the distance between capital face and limit spin bottom,
Grandfather is exactly that the flexible deformation surplus of elasticity is small, then the elastic force of spring is bigger, that is, limit spin to the limit dynamics of locking bar more
Greatly.So in actual use, user can be inserted in using screwdriver in cross locked groove by being inserted into screwdriver in through-hole,
Rotational positioning column adjusts the distance between positioning column top surface and limit spin bottom surface, the in this way distortion allowance of adjustment spring,
The dynamics that head rest movement needs exactly is adjusted, to be adjusted such that the most suitable dynamics of user.In this mode, the experience of user
More preferably, and convenient for adjusting.Meanwhile under normal circumstances, the height variation of children's longer period of time of a dating is little, can
Adjusting head rest to after setting position, the positioning column adjacent to latch hook is adjusted, that is, is further compressed to spring,
So that surplus of the spring without compressive deformation again, the ineffective great dynamics of such head rest can not all squeeze limit spin,
Spring can not be exactly squeezed, this makes it possible to be locked to head rest, if adjusting, positioning column is unscrewed a little i.e.
The distortion allowance of spring can be made to increase, this makes it possible to carry out mobile adjusting to head rest.
Shown in Fig. 1~4, the width of the bar limit slot 9 and the diameter of the locking bar 5 match, the locking bar 5
Both ends be respectively equipped with a stop nut 21, the diameter of the stop nut is more than the width of the bar limit slot, the limit
Position nut is set to the outside of the side plate.
The locking bar is arranged in the buckling groove, and the bottom outer-edge face of the locking bar is butted on the top surface of the bottom plate.
In the present embodiment, connector is link block, and connector can move in the U-type groove of locating piece, connector
Bottom uses the buckling groove of semicircular structure, the part of such locking bar can connected piece limited, that is, locking bar without
Method moves up and down on connector, and locking bar is merely able to move up and down with connector.During the installation process, link block
It is directly connect with head rest using screw, locating piece is also connect using bolt with hand basket, directly will connection when head rest is assembled with hand basket
Part is inserted into the U-type groove of locating piece, is then inserted into locking bar out of one block of side plate bar limit slot, is then inserted into buckling groove
It is interior, it is inserted into the bar limit slot of another block of side plate, finally the both ends of locking bar is limited with stop nut, prevent from locking
Bar is dropped out out of buckling groove and bar limit slot.
In the present embodiment, the production method of link block, locating piece, elastic spacing one and locking bar is simple, of low cost, and
And assembling is simple.
Claims (8)
1. the bottom clamping of a kind of children's seat adjusted convenient for head rest, including pedestal, hand basket and head rest, the hand basket is installed on
On the pedestal, the hand basket is separable structure with pedestal, and the head rest is slidably mounted on the hand basket through a regulating device
It is interior, it is characterised in that：The regulating device includes locating piece, connector and locking bar, and the locating piece is fixedly installed in described carry
On basket, the bottom of the head rest is fixedly installed at the top of the connector, the bottom surface of the connector is equipped with a semicircle
The buckling groove of structure is arranged in the buckling groove in the middle part of the locking bar, and the bottom outer-edge face of the locking bar exposes to institute
State the bottom of connector；The locating piece is U-shaped structure, including bottom plate and the side plate for being set to bottom plate both sides, the bottom plate peace
Loaded on the hand basket, the side plate is arranged perpendicular to the bottom plate, and a bar limit slot is respectively equipped on side plate described in both sides,
The both ends of the locking bar are slideably positioned in the bar limit slot of side plate described in both sides；The bottom plate is limited equipped with plural groups elasticity
Position part, elastic spacing one described in plural groups are uniformly installed on the bottom plate, are constituted between adjacent spring locating part from the bottom to top
Cavity is limited, the locking bar is set in the limit cavity, and the head rest, the head rest is pushed to drive the connector and institute
It states locking bar to move in the bar limit slot, the locking bar can compress the elastic spacing one, and the locking bar is made to be displaced into
In adjacent limit cavity.
2. the children's seat according to claim 1 adjusted convenient for head rest, it is characterised in that：The elastic spacing one includes
Spring and limit spin, the bottom plate are equipped with a plurality of limit holes, a diameter of limit of open top of the limit hole
The 1/2~4/5 of ball diameters, the limit hole inside diameter be greater than or equal to it is described limit spin diameter, the spring and
The limit spin is set in the limit hole, and the bottom of the spring is butted on the bottom of the limit hole, the spring
Top is butted on the bottom outer-edge face of the limit spin, and the top outer edge surface of the limit spin exposes to the limit hole
Top outer.
3. the children's seat according to claim 2 adjusted convenient for head rest, it is characterised in that：The limit hole limits for ladder
Position hole, the limit hole include coaxial arrangement upper hole and lower opening, the upper hole be connected with the top surface of the bottom plate, it is described on
The 1/2~4/5 of a diameter of limit ball diameters in hole, the diameter of the lower opening is greater than or equal to the straight of the limit spin
Diameter, the spring are set in the lower opening, and the bottom of the spring is butted on the bottom surface of the lower opening, the top surface of the spring
It is butted on limit spin bottom outer-edge face, the spring makes the limit spin be set to connecting for the upper hole and lower opening
Place.
4. the children's seat according to claim 3 adjusted convenient for head rest, it is characterised in that：The depth in the upper hole is institute
State the 1/6~1/2 of limit ball diameters.
5. the children's seat according to claim 2 adjusted convenient for head rest, it is characterised in that：The bottom of the limit hole with
The bottom surface of the bottom plate is connected, and the inner edge surface of each limit hole is equipped with internal thread, the bottom of each limit hole
It is bolted with a positioning column, the positioning column is bolted in through the internal thread in the limit hole, and the bottom of the spring is butted on institute
It states on the top surface of positioning column.
6. the children's seat according to claim 5 adjusted convenient for head rest, it is characterised in that：It is set at the top of the positioning column
There are a protrusion, the bottom surface of the positioning column to be equipped with cross locked groove, the bottom of the spring is arranged in the protrusion, the bullet
Be butted at the top of spring on limit spin bottom outer-edge face, the spring it is a diameter of it is described limit ball diameters 1/2~
3/4。
7. the children's seat according to claim 1 adjusted convenient for head rest, it is characterised in that：The width of the bar limit slot
It spends and matches with the diameter of the locking bar, the both ends of the locking bar are respectively equipped with a stop nut, the diameter of the stop nut
More than the width of the bar limit slot, the stop nut is set to the outside of the side plate.
8. the children's seat according to claim 1 adjusted convenient for head rest, it is characterised in that：The locking bar is arranged in described
In buckling groove, the bottom outer-edge face of the locking bar is butted on the top surface of the bottom plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652082.6A CN108657034A (en) | 2018-06-22 | 2018-06-22 | A kind of children's seat adjusted convenient for head rest |
| PCT/CN2018/113936 WO2019242201A1 (en) | 2018-06-22 | 2018-11-05 | Child seat for facilitating headrest adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652082.6A CN108657034A (en) | 2018-06-22 | 2018-06-22 | A kind of children's seat adjusted convenient for head rest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108657034A true CN108657034A (en) | 2018-10-16 |
Family
ID=63772978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810652082.6A Pending CN108657034A (en) | 2018-06-22 | 2018-06-22 | A kind of children's seat adjusted convenient for head rest |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108657034A (en) |
| WO (1) | WO2019242201A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242201A1 (en) * | 2018-06-22 | 2019-12-26 | 苏州纪宝儿童用品有限公司 | Child seat for facilitating headrest adjustment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019242201A1 (en) * | 2018-06-22 | 2019-12-26 | 苏州纪宝儿童用品有限公司 | Child seat for facilitating headrest adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019242201A1 (en) | 2019-12-26 |
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Application publication date: 20181016 |
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