CN112238889A - Folding mechanism for baby carriage - Google Patents
Folding mechanism for baby carriage Download PDFInfo
- Publication number
- CN112238889A CN112238889A CN201910644108.7A CN201910644108A CN112238889A CN 112238889 A CN112238889 A CN 112238889A CN 201910644108 A CN201910644108 A CN 201910644108A CN 112238889 A CN112238889 A CN 112238889A
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- backrest
- seat
- pivotally connected
- rotation center
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- 210000001364 upper extremity Anatomy 0.000 claims description 30
- 238000005452 bending Methods 0.000 claims description 7
- 230000003796 beauty Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention provides a folding mechanism of a baby carriage, which comprises a carriage frame, a backrest part and a seat part, wherein the carriage frame comprises a front foot, a rear foot, a rider and a backrest release part, the front foot comprises an upper part of the front foot and a lower part of the front foot, a first end of the upper part of the front foot, a first end of the lower part of the front foot and a first end of the rear foot are coaxially pivoted and form a first rotating center, the rider comprises an upper part of the rider and a lower part of the rider, the first end of the upper part of the rider is pivoted with the first end of the lower part of the rider and forms a second rotating center, a second end of the upper part of the front foot is pivoted with the upper part of the rider and forms a third rotating center, the lower part of the rider is pivoted with the rear foot and forms a fourth rotating center, the backrest release part is pivoted between the lower part of the rider and; the upper part of the driver is driven to rotate to fold the lower part of the driver and the upper part of the front foot, so that the backrest part is driven to rotate and fold relative to the seat part through the backrest releasing part. Therefore, the backrest can be folded when the bicycle frame is folded.
Description
Technical Field
The invention relates to the technical field of a baby carriage, in particular to a folding mechanism of the baby carriage.
Background
With the widespread use of strollers, there is an increasing demand for functionality of the strollers. It is desirable that the baby carriage not only makes the baby feel comfortable and safe when in use, but also can be folded into a smaller body when not in use so as to achieve the effects of beauty, space saving and convenient storage.
The existing stroller generally comprises a frame, and a backrest and a seat part arranged on the frame, and when the stroller is folded, the frame, the backrest and the seat part are generally required to be operated respectively, so that the frame, the backrest and the seat part can be folded.
Therefore, there is a need for a folding mechanism of a stroller that can fold the backrest when the stroller frame is folded.
Disclosure of Invention
The invention aims to provide a folding mechanism of a baby carriage, which can drive a backrest to fold when a carriage frame is folded and can reduce the volume of an integral package.
In order to achieve the above object, the present invention provides a folding mechanism for a stroller, comprising a frame, a backrest and a seat, wherein the frame comprises a front leg, a rear leg, a handle and a backrest release, the front leg comprises a front leg upper part and a front leg lower part, a first end of the front leg upper part, a first end of the front leg lower part and a first end of the rear leg are coaxially pivoted to form a first rotation center, the handle comprises a handle upper part and a handle lower part, the first end of the handle upper part is pivoted with the first end of the handle lower part to form a second rotation center, the second end of the front leg upper part is pivoted with the handle upper part to form a third rotation center, the handle lower part is pivoted with the rear leg to form a fourth rotation center, the backrest release is pivoted between the handle lower part and the backrest, the backrest is pivoted with the seat, and the seat is pivoted with the front leg lower part; the upper part of the driver is driven to rotate to fold the lower part of the driver and the upper part of the front foot, so that the backrest part is driven to rotate and fold relative to the seat part through the backrest releasing part.
Compared with the prior art, the front foot of the folding mechanism of the baby carriage is provided with the front foot upper part and the front foot lower part, and the hand is provided with the hand upper part and the hand lower part, and a plane connecting rod mechanism is formed by pivoting the front foot upper part and the hand upper part, pivoting the hand upper part and the hand lower part, pivoting the hand lower part and the rear foot and pivoting the rear foot and the front foot upper part, so that the hand lower part and the front foot upper part can rotate and fold towards the rear foot together by driving the hand upper part to rotate, and the front foot lower part can rotate and fold towards the rear foot direction at the same time, thereby realizing the folding of the frame; and because the backrest release member is pivoted between the backrest part and the lower part of the handle, when the lower part of the handle rotates and is folded, the backrest part can be driven by the backrest release member to rotate relative to the seat part and can be folded towards the direction of the rear leg, therefore, the frame of the baby carriage folding mechanism can drive the backrest to be folded when being folded, and the folded baby carriage has small volume, thereby reducing the volume of the whole package.
Preferably, the first end of the backrest release member is pivotally connected to the lower portion of the rider to form a fifth rotation center, the second end of the backrest release member is pivotally connected to the backrest portion to form a sixth rotation center, the backrest portion is pivotally connected to the seat portion to form a seventh rotation center, and the sixth rotation center is spaced apart from the seventh rotation center.
Preferably, the backrest portion includes a backrest body and a backrest fixing seat, the backrest body is mounted on the backrest fixing seat, the backrest release member is pivoted to the backrest fixing seat and forms a sixth rotation center, and the backrest fixing seat is pivoted to the seat portion and forms a seventh rotation center.
Preferably, the seat portion includes a seat body and a seat fixing seat, the seat body is pivotally connected to the backrest portion to form a seventh rotation center, the seat fixing seat is pivotally connected to the seat body to form an eighth rotation center, and the lower portion of the front leg is pivotally connected to the seat fixing seat to form a ninth rotation center.
Preferably, the seat fixing seat further comprises a connecting rod assembly, one end of the connecting rod assembly is fixedly connected with the seat fixing seat, and the other end of the connecting rod assembly is pivoted to the rear foot by taking the fourth rotation center as a rotation center.
Preferably, the seat further comprises a linkage rod, and the linkage rod is arranged between the seat body and the seat fixing seat.
Preferably, the connecting rod assembly includes a first connecting rod and a second connecting rod, a first end of the first connecting rod is fixedly connected to the seat holder, a second end of the first connecting rod is pivotally connected to a first end of the second connecting rod to form a tenth rotation center, and a second end of the second connecting rod is pivotally connected to the rear leg.
Preferably, the first connecting rod comprises a straight rod part and a bending part formed by bending and extending from one end of the straight rod part, the straight rod part is fixedly connected with the seat fixing seat, and the bending part is pivoted with the second connecting rod.
Preferably, the armrest further comprises an armrest portion pivotally connected to the second end of the first link rod with a tenth rotation center as a rotation center.
Preferably, the armrest portion includes an armrest body and an armrest fixing seat, the first end of the armrest fixing seat is pivotally connected to the second end of the first connecting rod, the second end of the armrest fixing seat is pivotally connected to the upper portion of the front leg, and the armrest body is mounted on the armrest fixing seat.
Drawings
Fig. 1 is a side view of the stroller folding mechanism of the present invention.
Fig. 2 is a schematic perspective view of the folding mechanism of the stroller of the present invention when unfolded.
Fig. 3 is a schematic structural view of the folding mechanism of the stroller of the present invention during the folding process.
Fig. 4 is a schematic structural view of the folding mechanism of the stroller shown in fig. 3 when it is folded.
Fig. 5 is a schematic structural view of the folding mechanism of the stroller of the present invention after being completely folded.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1, fig. 2 and fig. 5, the folding mechanism 100 of the stroller of the present invention includes a frame 1, a backrest 2 and a seat 3, wherein the backrest 2 is pivotally connected to the seat 3, and the seat 3 is disposed on the frame 1. Wherein, the frame 1 comprises a front foot 11, a rear foot 12, a rider 13 and a backrest unlocking piece 14, the front foot 11 comprises a front foot upper part 111 and a front foot lower part 112, the first end of the front foot upper part 111, the first end of the front foot lower part 112 and the first end of the rear foot 12 are coaxially pivoted and form a first rotation center 61, the rider 13 comprises a rider upper part 131 and a rider lower part 132, the first end of the rider upper part 131 is pivoted with the first end of the rider lower part 132 and forms a second rotation center 62, the second end of the front foot upper part 111 is pivoted with the rider upper part 131 and forms a third rotation center 63, the third rotation center 63 is not coincident with the second rotation center 62, the rider lower part 132 is pivoted with the rear foot 12 and forms a fourth rotation center 64, the fourth rotation center 64 is not coincident with the first rotation center 61, so that the front foot upper part 111, the rider upper part 131, the rider lower part 132 and the rear foot 12 form a plane link mechanism; backrest release 14 is pivotally connected between lower part 132 of the rider and backrest 2, and seat 3 is pivotally connected to lower part 112 of the front leg; the upper portion 131 of the rider can be driven to rotate so that the lower portion 132 of the rider and the upper portion 111 of the front leg can rotate towards the rear leg 12 for folding, when the lower portion 132 of the rider rotates for folding, the backrest release member 14 can drive the backrest 2 to rotate relative to the seat portion 3 and fold towards the rear leg 12, so that the backrest can be driven to fold together when the frame 1 is folded, and the operation is simple and convenient.
Referring to fig. 1, the first end of the backrest release member 14 is pivotally connected to the lower portion 132 of the rider to form a fifth rotation center 65, the fifth rotation center 65 is not overlapped with the fourth rotation center 64, the second end of the backrest release member 14 is pivotally connected to the backrest portion 2 to form a sixth rotation center 66, the backrest portion 2 is pivotally connected to the seat portion 3 to form a seventh rotation center 67, and the sixth rotation center 66 is not overlapped with the seventh rotation center 67, so that when the lower portion 132 of the rider is rotated and folded, the lower portion 132 of the rider can drive the backrest release member 14 to move, thereby driving the backrest portion 2 to rotate relative to the seat portion 3 and fold toward the rear legs 12.
Referring to fig. 2, in the present embodiment, the backrest 2 includes a backrest body 21 and a backrest fixing seat 22, the backrest body 21 is mounted on the backrest fixing seat 22, the backrest release 14 is pivoted on the backrest fixing seat 22 and forms the sixth rotation center 66, and the backrest fixing seat 22 is pivoted with the seat 3. Specifically, the seat portion 3 includes a seat body 31 and a seat fixing seat 32, the seat body 31 is pivotally connected to the backrest fixing seat 22 of the backrest portion 2 to form the seventh rotation center 67, the seat fixing seat 32 is pivotally connected to the seat body 31 to form an eighth rotation center 68, and the front lower portion 112 is pivotally connected to the seat fixing seat 32 to form a ninth rotation center 69. In order to make the structure of the stroller folding mechanism 100 of the present invention more reasonable and compact, the eighth rotation center 68 and the ninth rotation center 69 do not coincide with each other. The structure of the backrest 2 and the seat 3 is not limited to this, for example, the backrest body 21 and the backrest fixing seat 22 of the backrest 2 can be integrally formed, and the seat 3 can be provided with only the seat body 31 and the seat body 31 can be directly mounted on the lower front leg 112.
Referring to fig. 3 and 4, the folding mechanism 100 of the stroller of the present invention further includes a connecting rod assembly 4, one end of the connecting rod assembly 4 is fixedly connected to the seat holder 32, and the other end of the connecting rod assembly 4 is pivotally connected to the rear leg 12 with the fourth rotation center 64 as the rotation center. Therefore, when the lower front leg 112 rotates towards the rear leg 12 for folding, under the cooperation action of the connecting rod assembly 4, the seat fixing seat 32 can rotate relative to the lower front leg 112 and push to drive the seat body 31 to rotate, thereby folding the seat body 31. Specifically, the link assembly 4 includes a first link 41 and a second link 42, a first end of the first link 41 is fixedly connected to the seat holder 32, a second end of the first link 41 is pivotally connected to a first end of the second link 42 to form a tenth rotation center 70, and a second end of the second link 42 is pivotally connected to the rear leg 12. When the front leg lower portion 112 is rotated and folded toward the rear leg 12, the first link 41 and the second link 42 are rotated, and the tenth rotation center 70 formed by the first link 41 and the second link 42 is shifted, so as to drive the seat fixing base 32 fixedly connected with the first link 41 to rotate relative to the front leg lower portion 112, and further to push the seat body 31 to rotate relative to the backrest fixing base 22. In order to make the structure of the connecting rod assembly 4 more reasonable and compact, the first connecting rod 41 includes a straight rod portion 411 and a bending portion 412 formed by bending and extending from one end of the straight rod portion 411, the straight rod portion 411 is fixedly connected with the seat fixing seat 32, and the bending portion 412 is pivotally connected with the second connecting rod 42. In this embodiment, the folding mechanism 100 of the stroller further includes a linkage 33, the linkage 33 is disposed between the seat body 31 and the seat fixing seat 32, so that the seat body 31, the seat fixing seat 32 and the linkage 33 form a stable structure, and when the lower front leg 112 rotates toward the rear leg 12 for folding, the link assembly 4 can drive the seat fixing seat 32 and the seat body 31 to rotate together, i.e., drive the whole seat 3 to rotate for folding, and can rotate and fold the seat 3 more reasonably.
Referring to fig. 1 and 2, the folding mechanism 100 of the stroller further includes a handrail portion 5, the handrail portion 5 is pivotally connected to the second end of the first link 41 with the tenth rotation center 70 as the rotation center, so that when the lower front leg 112 is rotated and folded toward the rear leg 12, the tenth rotation center 70 formed by the first link 41 and the second link 42 is shifted to drive the handrail portion 5 to rotate and fold. Specifically, the armrest portion 5 includes an armrest body 51 and an armrest fixing seat 52, a first end of the armrest fixing seat 52 is pivotally connected to a second end of the first link 41, a second end of the armrest fixing seat 52 is pivotally connected to the front upper portion 111, and the armrest body 51 is mounted on the armrest fixing seat 52. However, the structure of the armrest portion 5 is not limited to this, and the armrest portion 5 may be an integral structure, such as only the armrest body 51.
With reference to fig. 1, 3, 4 and 5, the folding mechanism 100 for a stroller of the present invention has the following specific principles:
when folding is required, the upper portion 131 of the rider can be driven to rotate, so that the lower portion 132 of the rider and the upper portion 111 of the front leg can rotate together towards the rear leg 12 for folding, and when the lower portion 132 of the rider rotates for folding, the backrest release member 14 can drive the backrest 2 to rotate relative to the seat 3 and fold towards the rear leg 12; meanwhile, the lower front leg 112 can be rotated toward the rear leg 12 for folding, and the connecting rod assembly 4 can drive the seat fixing seat 32 and the seat body 31 to rotate together for folding, thereby realizing folding of the frame 1 and rotating and folding of the backrest 2 and the seat 3.
To sum up, the front leg 11 of the folding mechanism 100 of the stroller of the present invention has a front leg upper portion 111 and a front leg lower portion 112, and the stroller 13 has a stroller upper portion 131 and a stroller lower portion 132, and since the front leg upper portion 111 is pivotally connected to the stroller upper portion 131, the stroller upper portion 131 is pivotally connected to the stroller lower portion 132, the stroller lower portion 132 is pivotally connected to the rear leg 12, and the rear leg 12 is pivotally connected to the front leg upper portion 111, a planar linkage mechanism is formed, so that the stroller upper portion 131 can be driven to rotate, so that the stroller lower portion 132 and the front leg upper portion 111 can rotate together toward the rear leg 12 for folding, and the front leg lower portion 112 can rotate toward the rear leg 12 for folding, thereby realizing folding of the stroller frame 1; since the backrest release member 14 is pivotally connected between the backrest 2 and the lower portion 132 of the stroller, when the lower portion 132 of the stroller is folded, the backrest 2 is driven to rotate relative to the seat 3 by the backrest release member 14 and is folded toward the rear leg 12, so that the frame 1 of the stroller folding mechanism 100 of the present invention can be folded by driving the backrest when being folded, and the folded stroller has a small volume, thereby reducing the overall packaging material.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.
Claims (10)
1. A folding mechanism of a baby carriage, which comprises a carriage frame, a backrest part and a seat part, and is characterized in that, the frame comprises a front foot, a rear foot, a handle and a backrest release piece, wherein the front foot comprises a front foot upper part and a front foot lower part, the first end of the upper part of the front foot, the first end of the lower part of the front foot and the first end of the rear foot are coaxially pivoted to form a first rotation center, the driver comprises a driver upper part and a driver lower part, the first end of the driver upper part is pivoted with the first end of the driver lower part to form a second rotation center, the second end of the upper part of the front leg is pivoted on the upper part of the driver and forms a third rotation center, the lower part of the driver is pivoted on the rear leg and forms a fourth rotation center, the backrest unlocking piece is pivoted between the lower part of the rider and the backrest part, the backrest part is pivoted on the seat part, and the seat part is pivoted on the lower part of the front foot; the upper part of the driver is driven to rotate so as to enable the lower part of the driver and the upper part of the front foot to rotate and fold, and therefore the backrest part is driven to rotate and fold relative to the seat part through the backrest unlocking part.
2. The stroller folding mechanism according to claim 1, wherein a first end of the backrest release member is pivotally connected to the lower portion of the rider and forms a fifth center of rotation, a second end of the backrest release member is pivotally connected to the backrest portion and forms a sixth center of rotation, the backrest portion is pivotally connected to the seat portion and forms a seventh center of rotation, and the sixth center of rotation is spaced apart from the seventh center of rotation.
3. The stroller folding mechanism according to claim 2, wherein the backrest portion includes a backrest body and a backrest fixing seat, the backrest body is mounted on the backrest fixing seat, the backrest release member is pivotally connected to the backrest fixing seat and forms the sixth rotation center, and the backrest fixing seat is pivotally connected to the seat portion and forms the seventh rotation center.
4. The stroller folding mechanism according to claim 2, wherein the seat portion includes a seat body pivotally connected to the backrest portion and forming the seventh rotation center, and a seat holder pivotally connected to the seat body and forming an eighth rotation center, and the lower front leg portion pivotally connected to the seat holder and forming a ninth rotation center.
5. The stroller folding mechanism according to claim 4, further comprising a connecting rod assembly, one end of the connecting rod assembly is fixedly connected to the seat holder, and the other end of the connecting rod assembly is pivotally connected to the rear leg with the fourth rotation center as a rotation center.
6. The stroller folding mechanism according to claim 5, further comprising a linkage disposed between the seat body and the seat holder.
7. The stroller folding mechanism according to claim 5, wherein the link assembly comprises a first link and a second link, a first end of the first link is fixedly connected to the seat holder, a second end of the first link is pivotally connected to a first end of the second link to form a tenth rotation center, and a second end of the second link is pivotally connected to the rear leg.
8. The stroller folding mechanism according to claim 7, wherein the first link includes a straight rod portion and a bent portion formed by bending and extending from one end of the straight rod portion, the straight rod portion is fixedly connected to the seat holder, and the bent portion is pivotally connected to the second link.
9. The stroller folding mechanism according to claim 7, further comprising an armrest portion pivotally connected to the second end of the first link about the tenth center of rotation.
10. The stroller folding mechanism according to claim 9, wherein the armrest portion includes an armrest body and an armrest fixing seat, a first end of the armrest fixing seat is pivotally connected to the second end of the first link, a second end of the armrest fixing seat is pivotally connected to the upper portion of the front foot, and the armrest body is mounted on the armrest fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644108.7A CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644108.7A CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112238889A true CN112238889A (en) | 2021-01-19 |
| CN112238889B CN112238889B (en) | 2023-11-03 |
Family
ID=74167433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910644108.7A Active CN112238889B (en) | 2019-07-16 | 2019-07-16 | Folding mechanism for baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112238889B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906200A (en) * | 2021-02-08 | 2022-08-16 | 明门瑞士股份有限公司 | Riding device |
| CN114954610A (en) * | 2021-02-25 | 2022-08-30 | 明门瑞士股份有限公司 | Seat Modules and Passenger Devices |
| TWI857365B (en) * | 2021-10-14 | 2024-10-01 | 瑞士商明門瑞士股份有限公司 | Child stroller |
| WO2025068518A1 (en) * | 2023-09-28 | 2025-04-03 | Wonderland Switzerland Ag | Stroller |
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| US6824162B2 (en) * | 2001-12-31 | 2004-11-30 | Link Treasure Limited | Backrest structure for strollers |
| US20090008908A1 (en) * | 2007-07-03 | 2009-01-08 | Kenzou Kassai | Baby carriage |
| US20130113188A1 (en) * | 2011-11-07 | 2013-05-09 | Gordon Liao | Baby Stroller |
| CN203780587U (en) * | 2014-03-25 | 2014-08-20 | 广东乐美达集团有限公司 | Reversible and foldable baby carrier |
| CN205010296U (en) * | 2015-09-17 | 2016-02-03 | 王俊茹 | Infant's handcart frame reaches by its infant's handcart of constituteing |
| CN206107300U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Folding perambulator frame |
| CN109808759A (en) * | 2017-11-22 | 2019-05-28 | 明门瑞士股份有限公司 | Perambulator and its fold hook device |
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2019
- 2019-07-16 CN CN201910644108.7A patent/CN112238889B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6824162B2 (en) * | 2001-12-31 | 2004-11-30 | Link Treasure Limited | Backrest structure for strollers |
| US20090008908A1 (en) * | 2007-07-03 | 2009-01-08 | Kenzou Kassai | Baby carriage |
| US20130113188A1 (en) * | 2011-11-07 | 2013-05-09 | Gordon Liao | Baby Stroller |
| CN203780587U (en) * | 2014-03-25 | 2014-08-20 | 广东乐美达集团有限公司 | Reversible and foldable baby carrier |
| CN205010296U (en) * | 2015-09-17 | 2016-02-03 | 王俊茹 | Infant's handcart frame reaches by its infant's handcart of constituteing |
| CN206107300U (en) * | 2016-08-31 | 2017-04-19 | 广东乐美达集团有限公司 | Folding perambulator frame |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906200A (en) * | 2021-02-08 | 2022-08-16 | 明门瑞士股份有限公司 | Riding device |
| CN114954610A (en) * | 2021-02-25 | 2022-08-30 | 明门瑞士股份有限公司 | Seat Modules and Passenger Devices |
| US12071169B2 (en) | 2021-02-25 | 2024-08-27 | Wonderland Switzerland Ag | Seat module and transportation device |
| TWI857365B (en) * | 2021-10-14 | 2024-10-01 | 瑞士商明門瑞士股份有限公司 | Child stroller |
| WO2025068518A1 (en) * | 2023-09-28 | 2025-04-03 | Wonderland Switzerland Ag | Stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112238889B (en) | 2023-11-03 |
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