CN109398467A - A kind of perambulator - Google Patents
A kind of perambulator Download PDFInfo
- Publication number
- CN109398467A CN109398467A CN201811178924.5A CN201811178924A CN109398467A CN 109398467 A CN109398467 A CN 109398467A CN 201811178924 A CN201811178924 A CN 201811178924A CN 109398467 A CN109398467 A CN 109398467A
- Authority
- CN
- China
- Prior art keywords
- wheel
- crankshaft
- perambulator
- sliding pin
- lockhole
- 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.)
- Withdrawn
Links
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000005452 bending Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/22—Devices for rocking or oscillating
-
- 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
- B62B9/08—Braking mechanisms; Locking devices against movement
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a kind of perambulators, it includes vehicle frame, seat assembly, at least one set of wheel, rocking chain mechanism, the rocking chain mechanism includes that both ends are coaxially disposed with one group of wheel and the rotate side of connection and the other end and seat assembly of crankshaft, one end and bending section with bending section rotates the drive rod of connection respectively, and the opposite other side in the side that is connected with drive rod of seat assembly rotates with vehicle frame to be connect.A kind of perambulator of the present invention, selectively enable crankshaft and rear wheel synchronize move in a circle, so that seat assembly realization be driven to swing up and down, its position in the longitudinal direction hardly changes, to ensure that the hand of children can touch handlebar, foot can be placed on pedal, without hanging.This perambulator increases the interaction function between children and vehicle, enhances interest, and the locking relation between crankshaft and wheel can release, operating process is simple and convenient while keeping the inconvenience of perambulator function.
Description
Technical field
The present invention relates to the swingable perambulators of a kind of perambulator more particularly to a kind of seat.
Background technique
The primary structure of perambulator generally comprise vehicle frame, the bottom for being mounted on the vehicle frame front wheels and rear wheels, be connected to institute
State the vehicle seat on vehicle frame.The front wheels and rear wheels of four-wheel perambulator are respectively two, and the front-wheel of toy tricycle is one, and rear-wheel is two,
Toy tricycle further includes being connected to the front of the vehicle frame and controlling handlebar steering assembly, drive institute that the front-wheel is turned to
State the pedal assembly of front-drive.Baby carrier wheel in the prior art is three-wheel or four-wheel, can only be ridden or by being driven by electricity row
Into, or carried out by adult, function is more single, and the interactivity between children and vehicle is not strong, not interesting enough.Patent of invention
CN101519080B discloses crankshaft type dynamic baby carrier, drives seat dynamics by crank rotation, but its problem is: its seat
It also will do it the movement on front-rear direction while moving up and down, in reciprocatory movement, front-rear position can be sent out at seat
Changing, i.e. distance of the children on seat apart from cart front end change, and the hand of children may nothing seat moves backward when
Method touches handlebar or foot and can not be placed on pedal, and hanging.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of perambulator, seat can be waved with the traveling of vehicle.
In order to reach the goals above, the technical solution adopted by the present invention is that: a kind of perambulator, it include vehicle frame, seat assembly,
Be mounted at least one set of wheel of the bottom of vehicle frame, one group of wheel be defined as coaxially connected and symmetrically arranged two rear-wheels or
Coaxially connected and symmetrically arranged two front-wheels.Perambulator further includes rocking chain mechanism, which includes both ends
It is coaxially disposed respectively with one group of wheel and crankshaft, one end and bending section with bending section rotates connection and the other end
Portion and the side of seat assembly rotate the drive rod of connection, the opposite other side in the side that is connected with drive rod of seat assembly
It rotates and connect with vehicle frame.
Further, the both ends of crankshaft pass through locking mechanism respectively and are separatably connected with one group of wheel, work as locking
When mechanism locks, crankshaft is connected with wheel, and wheel drives crankshaft-synchronous rotation, when locking mechanism unlock, crankshaft and vehicle
Wheel is separated.
Further, locking mechanism includes the sliding pin being directly or indirectly mutually slidably connected with crankshaft, is arranged in wheel
Wheel hub on lockhole, sliding pin is separatably connected with lockhole, and when locking mechanism locking, sliding pin is inserted into lockhole, works as locking
When mechanism unlocks, sliding pin is detached from lockhole.
Further, locking mechanism further includes the spring that lockhole is inserted it into sliding pin applied force, by carrying out to it
The unlock piece for operating and sliding pin being made to be detached from lockhole.
Further, unlock piece has the inclined-plane with sliding pin phase sliding contact, and unlock piece is in own rotation by oblique
Face pushes sliding pin to be moved out lockhole.
Further, the end of crankshaft is mutually fixedly connected with crankshaft fixing seat, and sliding pin, spring, unlock piece are arranged at
In crankshaft fixing seat.
Further, hub connection member is fixed on the wheel hub of wheel, lockhole is provided on the hub connection member.
Further, seat assembly includes swing rod and the seat that is connected on swing rod, and the swing rod one end and vehicle frame phase turn
Dynamic connection and the other end and the other end of drive rod rotate connection.Further, swing rod there are two and symmetrically
The left and right sides of vehicle frame is set.
Further, vehicle frame includes the front frame being arranged along the longitudinal direction, the rear portion for being connected to front frame and after being in U-shape
Vehicle frame, one group of above-mentioned wheel are two rear-wheels that the both ends of Rear frame are arranged in, and front side and the front frame phase of seat assembly turn
Dynamic connection.
Further, perambulator further includes the front-wheel for being mounted on front frame lower front, is connected to the front of front frame simultaneously
The pedal assembly of handlebar steering assembly, drive front-drive that control front-wheel is turned to.
Due to the adoption of the above technical scheme, a kind of perambulator of the present invention, selectively enable crankshaft and wheel synchronize do circle
Zhou Yundong, to drive seat assembly realization to swing up and down, while seat assembly realization is swung up and down, in front-rear direction
On position hardly change, to ensure that the hand of children can touch handlebar, foot can be placed on pedal, without
Vacantly.This perambulator increases the interaction function between children and vehicle, enhances interest while keeping the inconvenience of perambulator function,
And the locking relation between crankshaft and wheel can release, and operating process is simple and convenient.
Detailed description of the invention
Attached drawing 1 is a kind of backsight structural representation of perambulator of the present invention；
Attached drawing 2 is a kind of side structure schematic view of perambulator of the present invention；
Attached drawing 3 is the schematic diagram of the section structure of the locking mechanism in locking in a kind of perambulator of the present invention；
Attached drawing 4 is the schematic diagram of the section structure of the locking mechanism in unlock in a kind of perambulator of the present invention；
Attached drawing 5 is the stereo-resolution structural schematic diagram of the section components of locking mechanism in a kind of perambulator of the present invention.
Figure label are as follows:
1, front frame；2, Rear frame；3, front-wheel；4, rear-wheel；5, crankshaft；51, bending section；6, drive rod；7, swing rod；8, seat；
9, steering assembly；10, pedal assembly；11, sliding pin；12, lockhole；13, spring；14, unlock piece；141, inclined-plane；142, manipulator
Handle；15, crankshaft fixing seat；16, hub connection member；17, fastener；18, rear wheel support seat.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art.
Structural schematic diagram from attached drawing 1 to attached drawing 5 can be seen that one of the present embodiment perambulator, it includes vehicle frame, seat
Hyte part, be mounted on vehicle frame bottom at least one set of wheel, one group of wheel is defined as coaxially connected and symmetrically arranged two
A rear-wheel or coaxially connected and symmetrically arranged two front-wheels.Perambulator further includes rocking chain mechanism, the rocking chain mechanism packet
Include 51 phase of crankshaft 5, one end and bending section that both ends were coaxially disposed and had respectively bending section 51 with one group of wheel
Be rotatablely connected and the other end and the side of seat assembly rotate the drive rod 6 of connection, seat assembly with 6 phase of drive rod
The opposite other side in connection side rotates with vehicle frame to be connect.Band dynamic crankshaft 5 rotates when vehicle wheel rotation, in the mistake that crankshaft 5 rotates
Cheng Zhong, due to being provided with drive rod 6 between the side of seat assembly and the bending section 51 of crankshaft 5, the rotation of drive rod 6 is counteracted
The movement of bending section 51 in the longitudinal direction, and the movement of bending section 51 in the up-down direction is only passed to the one of seat assembly
Side, and the switching of the other side of seat assembly swings seat assembly relative frame on vehicle frame, dipping and heaving, and in front and back
Position on direction hardly changes.
Specifically, in the present embodiment, seat assembly includes swing rod 7 and the seat 8 that is connected on swing rod 7,7 one end of swing rod
Portion and vehicle frame rotate connection and the other end rotates with the other end of drive rod 6 and connect, between seat 8 and swing rod 7
Preferably it is fixedly connected.
The present embodiment is by taking tricycle as an example, and to be illustrated, vehicle frame includes the front frame 1 being arranged along the longitudinal direction, connection
Rear portion in front frame 1 and the Rear frame 2 that is in U-shape, for the opening of U-shaped towards the back lower place, one group of above-mentioned wheel is to be arranged in rear car
Two rear-wheels 4 at the both ends of frame 2.Before perambulator further includes the front-wheel 3 for being connected to 1 lower front of front frame, is connected to front frame 1
Portion simultaneously controls the handlebar steering assembly 9 that front-wheel 3 is turned to, the pedal assembly 10 for driving front-wheel 3 to rotate.Then above-mentioned seat shakes
In swinging mechanism, the front side of seat assembly rotates with front frame 1 to be connect, i.e., the front of swing rod 7 rotates with front frame 1 and connect,
Rear portion rotates with the top of drive rod 6 and connect.Preferably, swing rod 7 there are two and be symmetrically disposed in the left and right sides of vehicle frame.
In a kind of highly preferred embodiment, the both ends of crankshaft 5 pass through locking mechanism respectively and two rear-wheels 4 can
Ground is detached to be connected, when locking mechanism locking, crankshaft 5 is connected with rear-wheel 4, and rear-wheel 4 is rotated synchronously with dynamic crankshaft 5, when
When locking mechanism unlocks, crankshaft 5 is separated with rear-wheel 4.
In the present embodiment as shown in Figure 3 to Figure 5, locking mechanism includes directly or indirectly sliding with 5 phase of crankshaft
The sliding pin 11 of connection, the lockhole 12 being arranged on the wheel hub of rear-wheel 4, specifically, sliding pin 11 are moved along the direction of axis line of rear-wheel 4
It is dynamic.Sliding pin 11 is separatably connected with lockhole 12.When locking mechanism locking, sliding pin 11 is inserted into lockhole 12, works as locking mechanism
When unlock, sliding pin 11 is detached from lockhole 12.
Preferably, locking mechanism further includes spring 13 and solving locking key 14.Spring 13 inserts it into lock to 11 applied force of sliding pin
Hole 12.Unlock piece 14 makes sliding pin 11 be detached from the unlock piece 14 of lockhole 12 and operating on it, and specifically, unlock piece 14 has
There is the inclined-plane 141 with 11 phase sliding contact of sliding pin, unlock piece 14 pushes sliding pin 11 mobile simultaneously in own rotation by inclined-plane 141
It is detached from lockhole 12.
In the present embodiment, hub connection member 16 is fixed on the wheel hub of rear-wheel 4, lockhole 12 is provided with the hub connection member 16
On.
In the present embodiment, the end of crankshaft 5 is fixedly connected with 15 phase of crankshaft fixing seat, is in particular connected by the way that rivet is fixed
It connects, sliding pin 11, spring 13, unlock piece 14 are arranged in crankshaft fixing seat 15.Specifically, unlock piece 14 is pivotly socketed in
The outside of crankshaft fixing seat 15 has the operation handle 142 of protrusion on unlock piece 14, passes through operation handle 142 and rotates unlock piece
14, the side axial along rear-wheel 4 of crankshaft fixing seat 15 is provided with fastener 17, for limiting in axial direction unlock piece 14
Position, unlock piece 14 is limited between hub connection member 16 and fastener 17.Above-mentioned inclined-plane 141 is arranged in unlock piece 14
Side.
The other side opposite with 16 side of hub connection member of crankshaft fixing seat 15 is provided with rear wheel support seat 18, bent
The end of axis 5 pivotly passes through the rear wheel support seat 18 and is connected with crankshaft fixing seat 15.
Working principle:
In the locked state, when advancing, crankshaft 5 rotates together perambulator locking mechanism with the wheel connected, the bending of crankshaft 5
Portion 51 can rotate with it and dipping and heaving, to drive the rear portion of swing rod 7 to move up and down by drive rod 6, make swing rod 7 before it
Turning point between portion and vehicle frame swings back and forth, and then swings seat 8.When not needing seat swing, unlock piece 14 is rotated,
Under the promotion on inclined-plane 141, sliding pin 11 overcomes the power of spring 13 and slides and exit the lockhole 12 on hub connection member 16, locks at this time
Determine mechanism to unlock, rotary spacing relation broken between crankshaft attachment base 15 and hub connection member 16, and then between crankshaft 5 and wheel
Rotary spacing relation broken, can be relatively rotated between crankshaft 5 and wheel, thus perambulator traveling in, crankshaft 5 not followed by
Wheel rotates synchronously, and seat 8 will not be swung.When needing seat to swing, then unlock piece 14 is rotated backward, loses inclined-plane 141
Effect, promotion lower slider and the lockhole 12 that is inserted into hub connection member 16 on of the sliding pin 11 in spring 13, locking mechanism is locked at this time
It is fixed, it is connected between crankshaft attachment base 15 and hub connection member 16, and then be connected between crankshaft 5 and wheel, advances in perambulator
In, crankshaft 5 follows connected wheel to rotate synchronously, and seat 8 is swung.
A kind of perambulator of the present invention, selectively enable crankshaft and wheel synchronize move in a circle, to drive seat real
It now swings up and down, while at seat, realization is swung up and down, position in the longitudinal direction hardly changes, to guarantee
The hand of children can touch handlebar, and foot can be placed on pedal, without hanging.This perambulator is keeping perambulator function not
Just while, increase the interaction function between children and vehicle, enhance interest, and the locking relation between crankshaft and wheel
It can release, operating process is simple and convenient.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of perambulator, it include vehicle frame, seat assembly, be mounted on the vehicle frame bottom at least one set of wheel, it is described
One group of wheel is defined as coaxially connected and symmetrically arranged two rear-wheels or coaxially connected and symmetrically arranged two front-wheels,
Be characterized in that: the perambulator further includes rocking chain mechanism, the rocking chain mechanism include both ends respectively with described one group
Wheel be coaxially disposed and with bending section (51) crankshaft (5), one end rotate with the bending section (51) connect and
The side of the other end and the seat assembly rotates the drive rod (6) of connection, the seat assembly with drive rod (6) phase
The opposite other side in connection side rotates with vehicle frame to be connect.
2. a kind of perambulator according to claim 1, it is characterised in that: the both ends of the crankshaft (5) pass through locking respectively
Mechanism is separatably connected with one group of wheel, when locking mechanism locking, the crankshaft (5) and the wheel phase
Connection, and wheel band dynamic crankshaft (5) rotates synchronously, when locking mechanism unlock, the crankshaft (5) mutually takes off with wheel
From.
3. a kind of perambulator according to claim 2, it is characterised in that: the locking mechanism include directly or indirectly with
Sliding pin (11) that the crankshaft (5) is mutually slidably connected, the lockhole (12) being arranged on the wheel hub of the wheel, the sliding pin (11)
Separatably it is connected with lockhole (12), when locking mechanism locking, the sliding pin (11) is inserted into the lockhole (12), when
When the locking mechanism unlocks, the sliding pin (11) is detached from the lockhole (12).
4. a kind of perambulator according to claim 3, it is characterised in that: the locking mechanism further includes to the sliding pin
(11) applied force inserts it into the spring (13) of the lockhole (12), is detached from the sliding pin (11) and operating on it
The unlock piece (14) of the lockhole (12).
5. a kind of perambulator according to claim 4, it is characterised in that: the unlock piece (14) has and sliding pin (11) phase
The inclined-plane (141) of sliding contact, the unlock piece (14) push the sliding pin by the inclined-plane (141) in own rotation
(11) lockhole (12) are moved out.
6. a kind of perambulator according to claim 5, it is characterised in that: the end of the crankshaft (5) and crankshaft fixing seat
(15) it is mutually fixedly connected, the sliding pin (11), spring (13), unlock piece (14) are arranged at the crankshaft fixing seat (15)
On.
7. a kind of perambulator according to claim 2, it is characterised in that: be fixed with hub connection member on the wheel hub of the wheel
(16), the lockhole (12) is provided on the hub connection member (16).
8. a kind of perambulator according to claim 1, it is characterised in that: the seat assembly includes swing rod (7) and connection
Seat (8) on swing rod (7), swing rod (7) one end and the vehicle frame rotate connection and the other end and the drive
The other end of lever (6) rotates connection.
9. a kind of perambulator according to claim 1, it is characterised in that: the vehicle frame includes before being arranged along the longitudinal direction
Vehicle frame (1), the rear portion for being connected to the front frame (1) and the Rear frame (2) being in U-shape, one group of wheel are setting in institute
Two rear-wheels (4) at the both ends of Rear frame (2) are stated, the front side of the seat assembly rotates with front frame (1) to be connect.
10. a kind of perambulator according to claim 9, it is characterised in that: it further includes being mounted on the front frame (1) bottom
The front-wheel (3) of front side is connected to the front of the front frame (1) and controls the handlebar steering group that the front-wheel (3) is turned to
Part (9), the pedal assembly (10) for driving front-wheel (3) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178924.5A CN109398467A (en) | 2018-10-10 | 2018-10-10 | A kind of perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178924.5A CN109398467A (en) | 2018-10-10 | 2018-10-10 | A kind of perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109398467A true CN109398467A (en) | 2019-03-01 |
Family
ID=65466934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811178924.5A Withdrawn CN109398467A (en) | 2018-10-10 | 2018-10-10 | A kind of perambulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109398467A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021005000A1 (en) * | 2019-07-05 | 2021-01-14 | Vollmar Mariam | Baby carriage having a seat assembly |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173744Y (en) * | 1993-09-02 | 1994-08-10 | 武东军 | Undulant saddle children's tricycle |
| US5342113A (en) * | 1994-01-04 | 1994-08-30 | Wu Chung Tien | Multi-purpose baby rocking chair |
| CN2782508Y (en) * | 2005-03-01 | 2006-05-24 | 明门实业股份有限公司 | Wheel brakes for carts |
| CN2918202Y (en) * | 2006-06-22 | 2007-07-04 | 陈琰 | Combined multifunctional baby carriage |
| CN101519080A (en) * | 2009-04-05 | 2009-09-02 | 吴茂盛 | Crankshaft type dynamic baby carrier |
| CN103419870A (en) * | 2012-05-17 | 2013-12-04 | 曹小明 | Three-wheeled baby carrier |
| JP2016043844A (en) * | 2014-08-25 | 2016-04-04 | ピープル株式会社 | Tricycle |
| CN205532248U (en) * | 2016-01-19 | 2016-08-31 | 苏州飞华铝制工业有限公司 | Height -adjustable's combination ladder |
| CN107719456A (en) * | 2017-11-05 | 2018-02-23 | 巫山县言璟科技有限责任公司 | Electric cradle perambulator |
| CN209479744U (en) * | 2018-10-10 | 2019-10-11 | 好孩子儿童用品有限公司 | A kind of perambulator |
-
2018
- 2018-10-10 CN CN201811178924.5A patent/CN109398467A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173744Y (en) * | 1993-09-02 | 1994-08-10 | 武东军 | Undulant saddle children's tricycle |
| US5342113A (en) * | 1994-01-04 | 1994-08-30 | Wu Chung Tien | Multi-purpose baby rocking chair |
| CN2782508Y (en) * | 2005-03-01 | 2006-05-24 | 明门实业股份有限公司 | Wheel brakes for carts |
| CN2918202Y (en) * | 2006-06-22 | 2007-07-04 | 陈琰 | Combined multifunctional baby carriage |
| CN101519080A (en) * | 2009-04-05 | 2009-09-02 | 吴茂盛 | Crankshaft type dynamic baby carrier |
| CN103419870A (en) * | 2012-05-17 | 2013-12-04 | 曹小明 | Three-wheeled baby carrier |
| JP2016043844A (en) * | 2014-08-25 | 2016-04-04 | ピープル株式会社 | Tricycle |
| CN205532248U (en) * | 2016-01-19 | 2016-08-31 | 苏州飞华铝制工业有限公司 | Height -adjustable's combination ladder |
| CN107719456A (en) * | 2017-11-05 | 2018-02-23 | 巫山县言璟科技有限责任公司 | Electric cradle perambulator |
| CN209479744U (en) * | 2018-10-10 | 2019-10-11 | 好孩子儿童用品有限公司 | A kind of perambulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021005000A1 (en) * | 2019-07-05 | 2021-01-14 | Vollmar Mariam | Baby carriage having a seat assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190301 |