CN108146487A - A kind of portable cart - Google Patents
A kind of portable cart Download PDFInfo
- Publication number
- CN108146487A CN108146487A CN201711491221.3A CN201711491221A CN108146487A CN 108146487 A CN108146487 A CN 108146487A CN 201711491221 A CN201711491221 A CN 201711491221A CN 108146487 A CN108146487 A CN 108146487A
- Authority
- CN
- China
- Prior art keywords
- seat
- rotary joint
- locking
- socket
- gear teeth
- 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
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- 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
- B62B9/10—Perambulator bodies; Equipment therefor
- B62B9/102—Perambulator bodies; Equipment therefor characterized by details of the seat
- B62B9/104—Perambulator bodies; Equipment therefor characterized by details of the seat with adjustable or reclining backrests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
Abstract
The invention discloses a kind of portable carts,Including vehicle frame and it is detachably secured to the seat pocket of vehicle frame,Seat stomacher includes back support bar,Seat bar and locking structure,Back support bar includes regulation button and backrest gear teeth,Seat bar includes seat rotary joint,Locking structure includes turntable,Locking gear level tooth,Lock pin and socket,Turntable rotational installation is connect in backrest gear teeth and with regulation button,Locking gear level tooth position coordinates between backrest gear teeth and rotary joint and with backrest gear teeth,Lock pin, which is contained between seat rotary joint and socket, makes seat rotary joint be locked with socket,Socket is installed on vehicle frame,Turntable contradicts locking gear level tooth,Locking gear level tooth is detached with backrest gear teeth enables angle between back support bar and seat bar to adjust,Locking gear level tooth contradicts lock pin,Lock pin is detached with seat rotary joint makes seat rotary joint be unlocked with socket,Seat pocket relative frame can fold,Seat pocket during vehicle frame folding is made to fold together,Without dismounting.
Description
Technical field
The present invention relates to perambulator more particularly to a kind of portable carts.
Background technology
At present, stroller generally comprises preceding foot lever, rear foot lever, handrail, upper hand handle, lower hand handle and seatpost, upper hand handle with
The pivot joint of lower hand handle, preceding foot lever, rear foot lever upper end and lower hand handle lower end be hinged, handrail, seatpost respectively with both sides vehicle frame structure
It is connected, to form the folding structure of a four link type.
But there are following defects for existing stroller：
It needs to remove seat pocket from vehicle frame when stroller folds, it is inconvenient to use.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide be not required to during a kind of folding of cart by seat pocket from
The portable cart disassembled on vehicle frame.
The purpose of the present invention is realized using following technical scheme：
A kind of portable cart, including vehicle frame and seat pocket, the seat pocket is detachably secured to the vehicle frame, the seat pocket
Including back support bar, seat bar and locking structure, the back support bar includes regulation button and backrest gear teeth, and the seat bar includes
Seat rotary joint, the locking structure include turntable, locking gear level tooth, lock pin and socket, and the turntable rotational installation is in institute
It states backrest gear teeth and is connect with the regulation button, the locking gear level tooth position is closed in the backrest gear teeth and the rotation
Coordinate between section and with the backrest gear teeth, the lock pin, which is contained between the seat rotary joint and the socket, to be made
The seat rotary joint is locked with the socket, and the socket is installed on the vehicle frame, and the regulation button drives described turn
Disk rotates, and the turntable contradicts the locking gear level tooth, and the locking gear level tooth is detached with the backrest gear teeth makes described lean on
Angle can be adjusted between back of the body bar and the seat bar, and the locking gear level tooth contradicts the lock pin, the lock pin and the seat
Position rotary joint separation makes the seat rotary joint be unlocked with the socket, and the relatively described vehicle frame of seat pocket can fold,
The seat pocket during vehicle frame folding is made to fold together, without dismounting.
Further, the backrest gear teeth is equipped with installation axle and the first inclined-plane, and the turntable rotational installation is in the peace
Axis is filled, is connected between the regulation button and the turntable by draught line, the regulation button is driven by the draught line
The turntable rotation, the turntable generates to move radially along first inclined-plane rotation contradicts the locking gear level tooth, the shelves
Position locking teeth is detached with the backrest gear teeth.
Further, the locking structure further includes return springs, the return springs both ends respectively with the shelves
Position locking teeth and the seat rotary joint contradict.
Further, the backrest gear teeth is additionally provided with the second inclined-plane, and the backrest gear teeth rotates forward, the second inclined-plane
Generation, which moves radially, continues to contradict the locking gear level tooth, and the locking gear level tooth includes contradicting protrusion, it is described contradict protrusion with
The lock pin contradicts, and the mounting hole that the lock pin is detached from the seat rotary joint makes the seat rotary joint be inserted with described
Seat unlock.
Further, the quantity of the lock pin is 2.
Further, the locking structure further includes locking elastic part, the locking elastic part both ends respectively with the lock
Pin and the socket contradict.
Further, the vehicle frame includes connecting rod, preceding foot lever and rear foot lever, and the rear foot lever includes connecting joint, described
Connecting rod is rotatablely connected end after including, the preceding foot lever includes preceding rotation connecting pin, and connecting pin and the rear rotation are rotated before described
Connecting pin rotational installation is in the connecting joint and is contained in the connecting joint.
Further, the vehicle frame further includes supporting rod, and the supporting rod includes lock hook, and the connecting rod is equipped with buckle
Portion, described supporting rod one end are rotatablely connected with the rear foot lever, and the other end passes through the clamping part of the lock hook and the connecting rod
Snap-lock.
Compared with prior art, the turntable rotational installation of portable cart of the present invention connects in backrest gear teeth and with regulation button
It connects, locking gear level tooth position is interior between backrest gear teeth and rotary joint and coordinates with backrest gear teeth, and lock pin is contained in seat
Seat rotary joint is made to be locked with socket between rotary joint and socket, socket is installed on vehicle frame, and regulation button drives turntable to turn
Dynamic, turntable contradicts locking gear level tooth, and locking gear level tooth is detached with backrest gear teeth enables angle between back support bar and seat bar
It adjusts, locking gear level tooth contradicts lock pin, and lock pin is detached with seat rotary joint makes seat rotary joint be unlocked with socket, seat pocket phase
Vehicle frame can be folded, seat pocket during vehicle frame folding is made to fold together, without dismounting.
Description of the drawings
Fig. 1 is a stereogram of portable cart of the present invention；
Fig. 2 is another stereogram of the portable cart of Fig. 1；
Fig. 3 is the side view diagram of the portable cart of Fig. 1；
Fig. 4 is the side view diagram of the portable cart of Fig. 1；
Fig. 5 is a stereogram of a root and stem of certain plants of the portable cart of Fig. 1；
Fig. 6 is the internal structure schematic diagram of the seat root and stem of certain plants of Fig. 5；
Fig. 7 is the enlarged drawing at the seat root and stem of certain plants A of Fig. 6；
Fig. 8 is the use state diagram of the seat root and stem of certain plants of Fig. 5；
Fig. 9 is another use state diagram of the seat root and stem of certain plants of Fig. 5；
Figure 10 is the another use state diagram of the seat root and stem of certain plants of Fig. 5；
Figure 11 is the folded state schematic diagram of the seat root and stem of certain plants of Fig. 5；
Figure 12 is the one folding process schematic diagram of portable cart of Fig. 1；
Figure 13 is another folding process schematic diagram of portable cart of Figure 12；
Figure 14 is the portable cart folded state schematic diagram of Figure 12；
Figure 15 is another use state diagram of portable cart of Fig. 1；
Figure 16 is the folded state schematic diagram of the portable cart of Figure 15.
In figure：100th, portable cart；10th, vehicle frame；11st, handle；110th, return the vehicle to the garage and knock off button；112nd, draught line；12nd, connecting rod；
120th, it is rotatablely connected end afterwards；121st, clamping part；13rd, preceding foot lever；130th, preceding rotation connecting pin；14th, rear foot lever；140th, connection is closed
Section；15th, supporting rod；150th, the body of rod；152nd, lock hook；20th, seat pocket；22nd, back support bar；220th, regulation button；221st, backrest gear
Tooth；222nd, installation axle；223rd, the first inclined-plane；224th, the second inclined-plane；225th, gear teeth；24th, seat bar；240th, seat rotation is closed
Section；26th, locking structure；260th, turntable；261st, locking gear level tooth；262nd, protrusion is contradicted；263rd, return springs；264th, lock pin；
265th, locking elastic part；266th, socket.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
Can be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
It please refers to Fig.1 to Fig.3, a kind of portable cart 100 includes vehicle frame 10 and seat pocket 20.
Please continue to refer to Fig. 4, vehicle frame 10 includes handle 11, connecting rod 12, preceding foot lever 13, rear foot lever 14 and supporting rod 15.
Handle 11 includes return the vehicle to the garage and knock off button 110, draught line 112.Draught line 112 is contained in 11 inside of handle and one end is with receiving
Vehicle button 110 is fixedly connected.Rotation connection end 120 and clamping part 121 after connecting rod 12 includes.Preceding foot lever 13 includes preceding rotation connection
End 130.Foot lever 14 includes connecting joint 140 afterwards.Supporting rod 15 includes the body of rod 150 and rotational installation in the lock of 150 one end of the body of rod
Determine hook 152.The preceding rotation connecting pin 130 of preceding foot lever 13 and the rear rotation connection end 120 of connecting rod 12 are rotatablely installed in rear foot lever 14
Connecting joint 140, and preceding rotation connecting pin 130 and rear rotation connection end 120 are contained in connecting joint 140, are made entire
Portable cart 100 is more beautiful.150 one end of the body of rod of supporting rod 15 is rotatablely connected with rear foot lever 14, and the other end passes through locking
Hook 152 is latched with clamping part 121.Handle 11 is rotatablely connected with connecting rod 12, and 112 other end of draught line is fixed on lock hook 152.
Please continue to refer to Fig. 5 to Fig. 7, seat pocket 20 includes back support bar 22, seat bar 24 and locking structure 26.Back support bar 22 is wrapped
Include regulation button 220 and backrest gear teeth 221.Backrest gear teeth 221 includes installation axle 221, the first inclined-plane 223, the second inclined-plane
224 and gear teeth 225.Seat bar 24 includes seat rotary joint 240, and seat rotary joint 240 is equipped with two mounting holes.Locking knot
Structure 26 includes turntable 260, locking gear level tooth 261, return springs 263, two lock pins 264, two locking elastic parts 265 and socket
266.Turntable 260 is rotatablely installed the installation axle 221 in backrest gear teeth 221, and locking gear level tooth 261 is installed on backrest gear teeth
Between 221 and seat rotary joint 240, locking gear level tooth 261 is engaged with the gear teeth 225 of backrest gear teeth 221 makes a pocket 20
Back support bar 22 locked with seat bar 24.Return springs 263 be installed on locking gear level tooth 261 and seat rotary joint 240 it
Between and both ends contradicted respectively with locking gear level tooth 261 and seat rotary joint 240.Each lock pin 264 is partially housed in seat
The mounting hole of rotary joint 240, being partially housed in socket 266 makes seat rotary joint 240 be locked with socket 266.Each locking
265 one end of elastic component is contradicted with lock pin 264, and the other end is contradicted with socket 266.One shaft passes through backrest gear teeth 221, turntable
260th, locking gear level tooth 261, seat rotary joint 240 and socket 266.
During using portable cart 10, a pocket 20 is made to be removably installed in vehicle frame 10 by the socket 266 of seat pocket 20, such as
Shown in Fig. 1 to Fig. 2, the positive assembling of 20 relative frame of seat pocket 10.By the regulation button 220 of wedge pocket 20, make to turn by draught line
Disk 260 is rotated relative to backrest gear teeth 221, and turntable 260 generates to move radially along the rotation of the first inclined-plane 223 contradicts locking gear level tooth
261, it moves radially locking gear level tooth 261 and is detached with backrest gear teeth 221, back support bar 22 is made to be unlocked with seat bar 24, so as to
In the angle for adjusting back support bar 22, as shown in Fig. 8 to Figure 10.Continue the regulation button 220 by wedge pocket 20, made by draught line
Turntable 260 continues to rotate relative to backrest gear teeth 221, and backrest gear teeth 221 rotates forward, and the second inclined-plane 224, which generates, radially to be moved
It is dynamic to continue to contradict the locking gear level tooth 261, locking gear level tooth 261 is made to continue to move radially, the conflict of locking gear level tooth 261 is convex
It plays 262 and contradicts lock pin 264, lock pin 264 is made to be detached from the mounting hole of seat rotary joint 240, seat bar 24 is made to be unlocked with vehicle frame 10,
In order to which seat pocket 20 folds, as shown in Figure 11 to 12.
Please continue to refer to Figure 13 to 14, the button 110 that returns the vehicle to the garage and knock off of vehicle frame 10 is pressed, draught line 112 drives lock hook 152 to rotate
And unlocked with clamping part 121, vehicle frame 10 can be folded and seat pocket 20 is folded with vehicle frame 10, without dismounting.
Please continue to refer to Figure 15 to 16, seat pocket 20 can reversely be removably installed in vehicle frame 10, use and folding process
It is identical when being installed with forward direction.
The portable cart 100 of the present invention, seat pocket 20 can be removably installed in vehicle frame 10, work as folding forward or backwards
During folded vehicle frame 10, without seat pocket 20 is disassembled.And preceding rotation connecting pin 130 and rear rotation connection 120 company of being contained in of end
It connects in joint 140, makes entire portable cart 100 more beautiful, and is more flat after folding, it is small.Supporting rod 15
150 one end of the body of rod is rotatablely connected with rear foot lever 14, and the other end is latched by lock hook 152 and clamping part 121, the rotation of vehicle frame 10
O'clock become 3 by 4, improve the shaking of handle 11.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (8)
1. a kind of portable cart, including vehicle frame and seat pocket, it is characterised in that：The seat pocket is detachably secured to the vehicle
Frame, the seat stomacher include back support bar, seat bar and locking structure, and the back support bar includes regulation button and backrest gear teeth, institute
It states seat bar and includes seat rotary joint, the locking structure includes turntable, locking gear level tooth, lock pin and socket, the turntable
It is rotatablely installed in the backrest gear teeth and is connect with the regulation button, the locking gear level tooth position is in the backrest gear teeth
Coordinate between the rotary joint and with the backrest gear teeth, the lock pin is contained in the seat rotary joint and institute
Stating makes between socket the seat rotary joint be locked with the socket, and the socket is installed on the vehicle frame, and the adjusting is pressed
Button drives the turntable rotation, and the turntable contradicts the locking gear level tooth, the locking gear level tooth and the backrest gear teeth
Separation enables angle between the back support bar and the seat bar to adjust, and the locking gear level tooth contradicts the lock pin, described
Lock pin is detached with the seat rotary joint makes the seat rotary joint be unlocked with the socket, the relatively described vehicle of seat pocket
Frame can fold, and the seat pocket during vehicle frame folding is made to fold together, without dismounting.
2. portable cart according to claim 1, it is characterised in that：The backrest gear teeth is equipped with installation axle and first
Inclined-plane, the turntable rotational installation are connected between the installation axle, the regulation button and the turntable by draught line, institute
State regulation button drives the turntable to rotate by the draught line, and the turntable is rotated to generate along first inclined-plane and radially be moved
Dynamic to contradict the locking gear level tooth, the locking gear level tooth is detached with the backrest gear teeth.
3. portable cart according to claim 2, it is characterised in that：The locking structure further includes return springs,
The return springs both ends contradict respectively with the locking gear level tooth and the seat rotary joint.
4. portable cart according to claim 2, it is characterised in that：The backrest gear teeth is additionally provided with the second inclined-plane,
The backrest gear teeth rotates forward, and the generation of the second inclined-plane, which moves radially, to be continued to contradict the locking gear level tooth, the gear lock
Fixed tooth includes contradicting protrusion, and the protrusion that contradicts is contradicted with the lock pin, and the lock pin is detached from the seat rotary joint
Mounting hole makes the seat rotary joint be unlocked with the socket.
5. portable cart according to claim 4, it is characterised in that：The quantity of the lock pin is 2.
6. portable cart according to claim 4, it is characterised in that：The locking structure further includes locking elastic part,
The locking elastic part both ends contradict respectively with the lock pin and the socket.
7. portable cart according to claim 1, it is characterised in that：The vehicle frame includes connecting rod, preceding foot lever and the rear foot
Bar, the rear foot lever include connecting joint, and the connecting rod is rotatablely connected end after including, the preceding foot lever includes preceding rotation connection
End rotates connecting pin and the rear rotation connection end rotational installation in the connecting joint and is contained in the connection pass before described
In section.
8. portable cart according to claim 7, it is characterised in that：The vehicle frame further includes supporting rod, the support
Bar includes lock hook, and the connecting rod is equipped with clamping part, and described supporting rod one end is rotatablely connected with the rear foot lever, and the other end passes through
The clamping part snap-lock of the lock hook and the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711491221.3A CN108146487B (en) | 2017-12-30 | 2017-12-30 | Portable cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711491221.3A CN108146487B (en) | 2017-12-30 | 2017-12-30 | Portable cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108146487A true CN108146487A (en) | 2018-06-12 |
| CN108146487B CN108146487B (en) | 2024-04-26 |
Family
ID=62460330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711491221.3A Active CN108146487B (en) | 2017-12-30 | 2017-12-30 | Portable cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108146487B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104074A (en) * | 2020-08-28 | 2022-03-01 | 明门(中国)幼童用品有限公司 | Baby carriage and backrest angle adjusting mechanism thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204623543U (en) * | 2015-05-06 | 2015-09-09 | 昆山威凯儿童用品有限公司 | The Zuo Dou mechanism of doll carriage |
| CN105599800A (en) * | 2016-01-11 | 2016-05-25 | 好孩子儿童用品有限公司 | Baby stroller |
| CN206446651U (en) * | 2016-10-28 | 2017-08-29 | 深圳市飞速精密模具有限公司 | A kind of perambulator mounting structures |
| CN107117199A (en) * | 2016-12-27 | 2017-09-01 | 上海童歌母婴用品有限公司 | The stroller seat that handrail linkage is folded |
| CN206493982U (en) * | 2017-01-25 | 2017-09-15 | 昆山威凯儿童用品有限公司 | A kind of doll carriage seat pocket and doll carriage |
| CN207972659U (en) * | 2017-12-30 | 2018-10-16 | 宁波妈咪宝婴童用品制造有限公司 | A kind of portable cart |
-
2017
- 2017-12-30 CN CN201711491221.3A patent/CN108146487B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204623543U (en) * | 2015-05-06 | 2015-09-09 | 昆山威凯儿童用品有限公司 | The Zuo Dou mechanism of doll carriage |
| CN105599800A (en) * | 2016-01-11 | 2016-05-25 | 好孩子儿童用品有限公司 | Baby stroller |
| CN206446651U (en) * | 2016-10-28 | 2017-08-29 | 深圳市飞速精密模具有限公司 | A kind of perambulator mounting structures |
| CN107117199A (en) * | 2016-12-27 | 2017-09-01 | 上海童歌母婴用品有限公司 | The stroller seat that handrail linkage is folded |
| CN206493982U (en) * | 2017-01-25 | 2017-09-15 | 昆山威凯儿童用品有限公司 | A kind of doll carriage seat pocket and doll carriage |
| CN207972659U (en) * | 2017-12-30 | 2018-10-16 | 宁波妈咪宝婴童用品制造有限公司 | A kind of portable cart |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114104074A (en) * | 2020-08-28 | 2022-03-01 | 明门(中国)幼童用品有限公司 | Baby carriage and backrest angle adjusting mechanism thereof |
| CN114104074B (en) * | 2020-08-28 | 2023-10-20 | 明门(中国)幼童用品有限公司 | Baby carriage and backrest angle adjusting mechanism thereof |
| US11851100B2 (en) | 2020-08-28 | 2023-12-26 | Wonderland Switzerland Ag | Baby stroller and backrest angle adjusting mechanism thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108146487B (en) | 2024-04-26 |
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