CN1792694A - Children carriage - Google Patents
Children carriage Download PDFInfo
- Publication number
- CN1792694A CN1792694A CN 200510022685 CN200510022685A CN1792694A CN 1792694 A CN1792694 A CN 1792694A CN 200510022685 CN200510022685 CN 200510022685 CN 200510022685 A CN200510022685 A CN 200510022685A CN 1792694 A CN1792694 A CN 1792694A
- Authority
- CN
- China
- Prior art keywords
- wheel support
- push
- handle bar
- children trolley
- down handle
- 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.)
- Pending
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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
- 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
- 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
- B62B7/068—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by sliding a bushing along a rod, e.g. like folding means of an umbrella
-
- 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
- B62B2205/12—Collapsible wheels
-
- 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
- B62B7/044—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor three wheeled
-
- 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
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
-
- 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
- B62B9/20—Handle bars; Handles
- B62B9/206—Handle bars; Handles with two separate bars, i.e. not interconnected
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
A push pram is composed of a main frame, a front wheel module and a back wheel module. Said main frame consists of the supporting frame for front wheels and two side supporting frames, which comprises the supporting frame for back wheel, lower push rod, and upper and lower connecting rods. It features that under the action of upper and lower connecting rods, the lower push rod and the supporting frame of back wheels can be folded relatively to the supporting frame of front wheels.
Description
Technical field
The present invention relates to a kind of children trolley.
Background technology
Children trolley of the prior art, comprise the go-cart vehicle frame, front component, wheel assembly, described go-cart vehicle frame comprises front-wheel support, be positioned at the side stand of described front-wheel support both sides, the side stand of every side comprises rear wheel support, the push-down handle bar, described front component is arranged on the described front-wheel support, described wheel assembly is arranged on described rear wheel support, for the ease of transporting usually the car load Vehicle Frame Design is become to be foldable to smaller volume, thereby usually with front-wheel support, be arranged to collapsiblely between rear wheel support and the push-down handle bar, also being designed between the side stand with both sides simultaneously can be folding relatively.For the ease of user's folding operation; usually also need on the go-cart vehicle frame, driver train to be set; make the user with between front-wheel support, rear wheel support and the push-down handle bar when folding; can make between the side stand of both sides foldingly relatively simultaneously by driver train, driver train makes that the structure of go-cart vehicle frame is complicated.WO2004/097282 also discloses a kind of vehicle frame of go-cart, and its folding rear wheel has all forwardly caused folding inconvenience.
Summary of the invention
The object of the invention provides a kind of children trolley, and its volume after folding is less, and the go-cart body frame structure for automotive is simple.
Technical scheme of the present invention is: a kind of children trolley, comprise go-cart vehicle frame front component, wheel assembly, described go-cart vehicle frame comprises front-wheel support, be positioned at the side stand of described front-wheel support both sides, described side stand is drawn together rear wheel support, the push-down handle bar, described front component is arranged on the leading section of described front-wheel support, described wheel assembly is arranged on the bottom of described rear wheel support, the fore-and-aft direction of described front-wheel support upper edge front-wheel support is provided with sliding part slidably, the upper end of described rear wheel support is connected rotatedly with described sliding part, the bottom of described push-down handle bar is connected rotatedly with the rear portion of described front-wheel support, described side stand also comprises boxed rod, lower link, the rearward end of described boxed rod rotates with described push-down handle bar and is connected, the leading section of described boxed rod rotates with described sliding part and is connected, the upper end of described lower link rotates with the rear portion of described front-wheel support and is connected, and the bottom of described lower link rotates with described rear wheel support and is connected.
Be connected with the seat post attaching parts on the boxed rod of described every side rotationally, seat post has been slidingly connected on the described seat post attaching parts, the rearward end of described seat post is connected with the rear portion of described front-wheel support, and described seat post is provided with the seat.
The rearward end of described seat post rotates with the rear portion of described front-wheel support and is connected.
Described push-down handle bar is provided with the push-up handle bar, when described go-cart vehicle frame launches, and relative locking between described push-up handle bar and the described push-down handle bar.
Be provided with folding back brace between the push-down handle bar in the side stand of described both sides, two outer ends of described back brace rotate with the push-down handle bar of respective side respectively and are connected.
The rear portion of described front-wheel support has the first spline part, and when described go-cart vehicle frame launched, described lower link was against on the described first spline part.
The rear portion of described front-wheel support has the second spline part, and when described go-cart vehicle frame launched, described push-down handle bar was against on the described second spline part.
The rear portion of described front-wheel support has first extension that forms to the both sides horizontal expansion respectively, the bottom of the push-down handle bar of every side is connected rotatedly with first extension of respective side respectively, and the upper end of the lower link of every side also is connected with first extension of respective side respectively rotatedly.
Described sliding part has second extension that forms to the both sides horizontal expansion respectively, the leading section of the boxed rod of every side is connected rotatedly with second extension of respective side respectively, and the upper end of the rear wheel support of every side also is connected with second extension of respective side respectively rotatedly.
Described sliding part is a sliding sleeve, and described sliding part is enclosed within on the described front-wheel support slidably.
The present invention compared with prior art, has following advantage: because when folding, only need to the described sliding part of front slide along described front-wheel support, and sliding part drives described rear wheel support, under the effect of boxed rod and lower link, described push-down handle bar and described rear wheel support just can fold gathering by described relatively front-wheel support, simple in structure, and be foldable to smaller volume, after folding, front component is in the front side, and wheel assembly is at rear side, therefore front-wheel and trailing wheel can form car body and support folding convenient.
Description of drawings
Accompanying drawing 1 is an open cube display of the present invention;
Accompanying drawing 2 is a half-lap block diagram of the present invention;
Accompanying drawing 3 is a half-lap front view of the present invention;
Accompanying drawing 4 is that the K of accompanying drawing 3 is to the aid of pictures;
Accompanying drawing 5 is a folding front view of the present invention;
Wherein: 1, go-cart vehicle frame; 2, front component; 3, wheel assembly; 4, front-wheel support; 5, rear wheel support; 6, push-down handle bar; 7, push-up handle bar; 8, sliding part; 10, boxed rod; 11, lower link; 12, back brace; 13, seat post; 16, seat post attaching parts; 18, side stand; 19, the first spline part; 20, the second spline part; 23, first extension; 24, second extension;
The specific embodiment
Shown in accompanying drawing 1-accompanying drawing 4, a kind of children trolley, comprise go-cart vehicle frame 1, front component 2, wheel assembly 3, described go-cart vehicle frame 1 comprises front-wheel support 4, is positioned at the side stand 18 of described front-wheel support 4 both sides, the side stand 18 of every side all comprises the rear wheel support 5 that is positioned at the below, the push-down handle bar 6 that is positioned at the top, described front component 2 is arranged on the leading section of described front-wheel support 4, and described wheel assembly 3 is arranged on the bottom of described rear wheel support 5.The fore-and-aft direction of described front-wheel support 4 upper edge front-wheel supports 4 is provided with sliding part 8 slidably, and described sliding part 8 is a sliding sleeve, and described sliding part 8 is enclosed within on the described front-wheel support 4 slidably.The upper end of described rear wheel support 5 is connected rotatedly with described sliding part 8, the bottom of described push-down handle bar 6 is connected rotatedly with the rear portion of described front-wheel support 4, described side stand 18 also comprises boxed rod 10, lower link 11, the rearward end of described boxed rod 10 rotates with described push-down handle bar 6 and is connected, the leading section of described boxed rod 10 rotates with described sliding part 8 and is connected, the upper end of described lower link 11 rotates with the rear portion of described front-wheel support 4 and is connected, and the bottom of described lower link 11 rotates with described rear wheel support 5 and is connected.
Shown in each accompanying drawing, be connected with seat post attaching parts 16 rotationally on the boxed rod 10 of described every side, seat post 13 has been slidingly connected on the described seat post attaching parts 16, the rearward end of described seat post 13 is connected with the rear portion of described front-wheel support 4, and described seat post 13 is provided with the seat.The rearward end of described seat post 13 rotates with the rear portion of described front-wheel support 4 and is connected.
Be provided with push-up handle bar 7 slidably on the described push-down handle bar 6, when described go-cart vehicle frame 1 launches, relative locking between described push-up handle bar 7 and the described push-down handle bar 6.This structure can make the go-cart vehicle frame folding to littler volume, and the height of children trolley is convenient to the user and is carried out when launching.Described push-up handle bar 7 also is arranged on the described push-down handle bar 6 rotationally.
Be provided with folding back brace 12 between the push-down handle bar 6 in the side stand of described both sides, two outer ends of described back brace 12 rotate with the push-down handle bar 6 of respective side respectively and are connected, and make when children trolley launches more stable.
As shown in Figure 1, the rear portion of described front-wheel support 4 has the first spline part 19, and when described go-cart vehicle frame 1 launched, described lower link 11 was against on the described first spline part 19.The rear portion of described front-wheel support 4 has the second spline part 20, and when described go-cart vehicle frame 1 launched, described push-down handle bar 6 was against on the described second spline part 20.By the described first spline part 19 and the described second spline part 20, it is spacing to make that children trolley launches, more stable during expansion.
As shown in Figure 1, the rear portion of described front-wheel support 4 has first extension 23 that forms to the both sides horizontal expansion respectively, the bottom of the push-down handle bar 6 of every side is connected rotatedly with first extension 23 of respective side respectively, and the upper end of the lower link 11 of every side also is connected with first extension 23 of respective side respectively rotatedly.The described first spline part 19 all is arranged on described first extension 23 with the described second spline part 20, all is provided with the described first spline part 19 and the described second spline part 20 on first extension 23 of both sides.Described sliding part 8 has second extension 24 that forms to the both sides horizontal expansion respectively, the leading section of the boxed rod 10 of every side is connected rotatedly with second extension 24 of respective side respectively, and the upper end of the rear wheel support 5 of every side also is connected with second extension 24 of respective side respectively rotatedly.
Also be provided with lockout mechanism on the described children trolley, this lockout mechanism is locked in expanded position with described children trolley.When with the lockout mechanism release, shown in accompanying drawing 2-accompanying drawing 4, can children trolley is folding, as shown in Figure 5, final children trolley is foldable to smaller size smaller.Described lockout mechanism can be to be provided with lock pin slidably on described push-down handle bar 6, rear portion at described front-wheel support 4 has lockhole, described push-down handle bar 6 is provided with the control piece of the described lock pin of control, during locking, described lock pin is inserted in the described lockhole, during release, described lock pin breaks away from described lockhole.
Claims (10)
1, a kind of children trolley, comprise go-cart vehicle frame (1), front component (2), wheel assembly (3), described go-cart vehicle frame (1) comprises front-wheel support (4), be positioned at the side stand (18) of described front-wheel support (4) both sides, described side stand (18) comprises rear wheel support (5), push-down handle bar (6), described front component (2) is arranged on the leading section of described front-wheel support (4), described wheel assembly (3) is arranged on the bottom of described rear wheel support (5), it is characterized in that: the fore-and-aft direction of described front-wheel support (4) upper edge front-wheel support (4) is provided with sliding part (8) slidably, the upper end of described rear wheel support (5) is connected rotatedly with described sliding part (8), the bottom of described push-down handle bar (6) is connected rotatedly with the rear portion of described front-wheel support (4), described side stand (18) also comprises boxed rod (10), lower link (11), the rearward end of described boxed rod (10) rotates with described push-down handle bar (6) and is connected, the leading section of described boxed rod (10) rotates with described sliding part (8) and is connected, the upper end of described lower link (11) rotates with the rear portion of described front-wheel support (4) and is connected, and the bottom of described lower link (11) rotates with described rear wheel support (5) and is connected.
2, children trolley according to claim 1, it is characterized in that: be connected with seat post attaching parts (16) on the boxed rod of described every side (10) rotationally, the seat post that has been slidingly connected on the described seat post attaching parts (16) (13), the rearward end of described seat post (13) is connected with the rear portion of described front-wheel support (4), and described seat post (13) is provided with the seat.
3, children trolley according to claim 2 is characterized in that: the rearward end of described seat post (13) rotates with the rear portion of described front-wheel support (4) and is connected.
4, children trolley according to claim 1 is characterized in that: described push-down handle bar (6) is provided with push-up handle bar (7), when described go-cart vehicle frame (1) launches, and relative locking between described push-up handle bar (7) and the described push-down handle bar (6).
5, children trolley according to claim 1, it is characterized in that: be provided with folding back brace (12) between the push-down handle bar (6) in the side stand of described both sides, two outer ends of described back brace (12) rotate with the push-down handle bar (6) of respective side respectively and are connected.
6, children trolley according to claim 1 is characterized in that: the rear portion of described front-wheel support (4) has the first spline part (19), and when described go-cart vehicle frame (1) launched, described lower link (11) was against on the described first spline part (19).
7, children trolley according to claim 1 is characterized in that: the rear portion of described front-wheel support (4) has the second spline part (20), and when described go-cart vehicle frame (1) launched, described push-down handle bar (6) was against on the described second spline part (20).
8, children trolley according to claim 1, it is characterized in that: the rear portion of described front-wheel support (4) has first extension (23) that forms to the both sides horizontal expansion respectively, the bottom of the push-down handle bar (6) of every side is connected rotatedly with first extension (23) of respective side respectively, and the upper end of the lower link of every side (11) also is connected with first extension (23) of respective side respectively rotatedly.
9, children trolley according to claim 1, it is characterized in that: described sliding part (8) has second extension (24) that forms to the both sides horizontal expansion respectively, the leading section of the boxed rod of every side (10) is connected rotatedly with second extension (24) of respective side respectively, and the upper end of the rear wheel support of every side (5) also is connected with second extension (24) of respective side respectively rotatedly.
10, children trolley according to claim 1 is characterized in that: described sliding part (8) is a sliding sleeve, and described sliding part (8) is enclosed within on the described front-wheel support (4) slidably.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510022685 CN1792694A (en) | 2005-12-22 | 2005-12-22 | Children carriage |
| CNB2006101533598A CN100513238C (en) | 2005-12-22 | 2006-09-12 | Push cart for children |
| PCT/CN2006/002566 WO2007071141A1 (en) | 2005-12-22 | 2006-09-29 | A pushcart for infants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510022685 CN1792694A (en) | 2005-12-22 | 2005-12-22 | Children carriage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1792694A true CN1792694A (en) | 2006-06-28 |
Family
ID=36804396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510022685 Pending CN1792694A (en) | 2005-12-22 | 2005-12-22 | Children carriage |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1792694A (en) |
| WO (1) | WO2007071141A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380962B (en) * | 2008-09-17 | 2010-06-23 | 好孩子儿童用品有限公司 | Folding children's barrow |
| CN101890974A (en) * | 2010-07-08 | 2010-11-24 | 好孩子儿童用品有限公司 | Baby stroller |
| CN103738380A (en) * | 2013-12-11 | 2014-04-23 | 李小玲 | Stroller |
| CN104149836A (en) * | 2014-07-04 | 2014-11-19 | 好孩子儿童用品有限公司 | Baby stroller |
| CN104326006A (en) * | 2014-10-17 | 2015-02-04 | 好孩子儿童用品有限公司 | Children umbrella stroller |
| CN104354747A (en) * | 2014-11-06 | 2015-02-18 | 东莞宜宸儿童用品有限公司 | Sliding folding and unfolding mechanism of baby carriage |
| CN106915374A (en) * | 2015-12-24 | 2017-07-04 | 稳正企业股份有限公司 | Baby Carriage Structure |
| CN107161199A (en) * | 2017-04-25 | 2017-09-15 | 安徽酷豆丁科技发展股份有限公司 | A kind of children trolley of new type foldable mode |
| CN107336737A (en) * | 2017-07-17 | 2017-11-10 | 上海童歌母婴用品有限公司 | A kind of three wheeled stroller |
| CN107792138A (en) * | 2017-11-10 | 2018-03-13 | 奥兹科技（成都）有限公司 | The folding electric stroller that can be rided |
| CN111409686A (en) * | 2019-01-08 | 2020-07-14 | 明门瑞士股份有限公司 | Frame with foldable rear wheels |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008000058U1 (en) * | 2008-05-19 | 2008-07-17 | Tfk Trends For Kids Gmbh Vertrieb Von Kinder-Trend-Artikeln | Collapsible sliding carriage for children and / or dolls |
| CN101734272B (en) * | 2010-01-12 | 2011-11-16 | 好孩子儿童用品有限公司 | Children cart |
| DE102016123514B4 (en) * | 2016-12-06 | 2023-02-02 | Emmaljunga Barnvagnsfabrik Ab | folding frame |
| CN106864529A (en) * | 2017-03-19 | 2017-06-20 | 张新 | For the multi-functional equipment of double suspensions and device of transporting children |
| CN106864565A (en) * | 2017-03-19 | 2017-06-20 | 张新 | For the multi-functional equipment of double suspensions and device of transporting children |
| CN106882246A (en) * | 2017-03-19 | 2017-06-23 | 张新 | For the equipment and device of double suspensions of transporting children |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20220024U1 (en) * | 2002-12-20 | 2003-03-20 | Beger Udo | Collapsible pushchair for children and / or dolls |
| AU2003902058A0 (en) * | 2003-04-30 | 2003-05-15 | Golias, Matthew | Collapsible supporting structure |
| US6896286B2 (en) * | 2003-09-30 | 2005-05-24 | Wan-Hsing Lin | Stroller having a folding device |
| CN2693591Y (en) * | 2004-02-02 | 2005-04-20 | 好孩子儿童用品有限公司 | Collapsible baby carriage |
| CN100387469C (en) * | 2005-04-30 | 2008-05-14 | 好孩子儿童用品有限公司 | Chilren's perambulator |
-
2005
- 2005-12-22 CN CN 200510022685 patent/CN1792694A/en active Pending
-
2006
- 2006-09-29 WO PCT/CN2006/002566 patent/WO2007071141A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101380962B (en) * | 2008-09-17 | 2010-06-23 | 好孩子儿童用品有限公司 | Folding children's barrow |
| CN101890974A (en) * | 2010-07-08 | 2010-11-24 | 好孩子儿童用品有限公司 | Baby stroller |
| CN103738380A (en) * | 2013-12-11 | 2014-04-23 | 李小玲 | Stroller |
| CN104149836A (en) * | 2014-07-04 | 2014-11-19 | 好孩子儿童用品有限公司 | Baby stroller |
| CN104326006B (en) * | 2014-10-17 | 2018-10-19 | 好孩子儿童用品有限公司 | child umbrella handle vehicle |
| CN104326006A (en) * | 2014-10-17 | 2015-02-04 | 好孩子儿童用品有限公司 | Children umbrella stroller |
| CN104354747A (en) * | 2014-11-06 | 2015-02-18 | 东莞宜宸儿童用品有限公司 | Sliding folding and unfolding mechanism of baby carriage |
| CN106915374A (en) * | 2015-12-24 | 2017-07-04 | 稳正企业股份有限公司 | Baby Carriage Structure |
| CN107161199A (en) * | 2017-04-25 | 2017-09-15 | 安徽酷豆丁科技发展股份有限公司 | A kind of children trolley of new type foldable mode |
| CN107161199B (en) * | 2017-04-25 | 2023-09-26 | 安徽酷豆丁科技发展股份有限公司 | Folding child cart |
| CN107336737A (en) * | 2017-07-17 | 2017-11-10 | 上海童歌母婴用品有限公司 | A kind of three wheeled stroller |
| CN107792138A (en) * | 2017-11-10 | 2018-03-13 | 奥兹科技（成都）有限公司 | The folding electric stroller that can be rided |
| CN111409686A (en) * | 2019-01-08 | 2020-07-14 | 明门瑞士股份有限公司 | Frame with foldable rear wheels |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007071141A1 (en) | 2007-06-28 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |