CN108100013A - Perambulator in convenience downstairs - Google Patents
Perambulator in convenience downstairs Download PDFInfo
- Publication number
- CN108100013A CN108100013A CN201711346427.7A CN201711346427A CN108100013A CN 108100013 A CN108100013 A CN 108100013A CN 201711346427 A CN201711346427 A CN 201711346427A CN 108100013 A CN108100013 A CN 108100013A
- Authority
- CN
- China
- Prior art keywords
- wheel
- segment
- perambulator
- supporting rack
- support
- 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- Withdrawn
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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
- B62B9/02—Accessories or details specially adapted for children's carriages or perambulators providing for travelling up or down a flight of stairs
-
- 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
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- 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 the perambulator in a kind of convenience downstairs, the perambulator includes annular frame, front-wheel mechanism, trailing wheel mechanism, supporting rack, sleeps blue and sit blue；Supporting rack is fixed on annular frame, and indigo plant and the seat indigo plant of sleeping is all disposed on support frame as described above；Front-wheel mechanism includes the front-wheel support being fixed on annular frame and two wheel units for being respectively and movably connected to front-wheel support both ends, and wheel units include front hub and multiple front arc wheels, front hub are movably connected on front-wheel support；Trailing wheel mechanism includes the rear wheel support being fixed on annular frame and two rear wheel units for being respectively and movably connected to rear wheel support both ends, rear-wheel hub is movably connected on rear wheel support and rear-wheel hub offers multiple rear sliding slots along radial direction, and multiple rear arc wheels are formed as circular.The perambulator need not frequently twist perambulator, and then add trip convenience when young man and wife carries baby's trip and runs into stair.
Description
Technical field
The present invention relates to infant article fields, and in particular, to the perambulator in convenience downstairs.
Background technology
With sharply increasing for annual infant's quantity, there is larger opportunity to develop in infant article market, particularly
Perambulator is the indispensable child-bearing instrument of modern most families, plays key player.But baby currently on the market
Vehicle is big multi-functional single, and most years like carrying baby to go shopping through man and wife, inevitably, can have more multipair perambulator not
Friendly environment, such as stair are more, and then not only need also to carry baby with infant in band infant's stair activity
Youngster's vehicle, the trip that can undoubtedly increase young man and wife are inconvenient.
Therefore it provides one kind can be gone on a journey when carrying baby, in the convenience of convenience of going on a journey through man and wife in increase year downstairs
The problem of perambulator is urgent need to resolve of the present invention.
The content of the invention
The present invention provides the perambulator in a kind of convenience downstairs, which runs into building when young man and wife carries baby's trip
When terraced, perambulator need not have frequently been carried, and then has added trip convenience.
To achieve these goals, the present invention provides the perambulator in convenience downstairs, the perambulator includes ring frame
Frame, front-wheel mechanism, supporting rack, are slept blue and are sat blue at trailing wheel mechanism；Support frame as described above is fixed on the annular frame, described to sleep
Blue and described seat indigo plant is all disposed on support frame as described above, and the indigo plant of sleeping is arranged on the lower section for sitting indigo plant；The front-wheel mechanism
Including the front-wheel support being fixed on the annular frame and two front-wheels for being respectively and movably connected to the front-wheel support both ends
Unit, the wheel units include front hub and multiple front arc wheels, the front hub are movably connected on the front-wheel support
And the front hub offers multiple preceding sliding slots along radial direction, and multiple lordosis are respectively arranged on multiple front arc wheels
It rises, and multiple front projections are engaged setting with multiple preceding sliding slots, multiple front arc wheels form circle；After described
Wheel mechanism includes the rear wheel support being fixed on the annular frame and is respectively and movably connected to the two of the rear wheel support both ends
A rear wheel unit, the rear wheel unit includes rear-wheel hub and multiple rear arc wheels, the rear-wheel hub are movably connected in the trailing wheel
On stent and the rear-wheel hub offers multiple rear sliding slots along radial direction, is respectively arranged on multiple rear arc wheels more
A rear projection, and multiple rear projections are engaged setting with multiple rear sliding slots, multiple rear arc wheels are formed as round
Shape.
Preferably, differential mechanism is additionally provided in the trailing wheel mechanism, and the rear wheel support includes first segment and is connected to
The second segment of the first segment；The first segment and the second segment are respectively and movably connected on two rear-wheel hubs；And institute
State the junction that differential mechanism is arranged on the first segment and the second segment.
Preferably, the quantity of multiple front arc wheels is 4, and the quantity of multiple rear arc wheels is 4.
Preferably, bracing piece is additionally provided on the front-wheel support, is provided with weighted item on the bracing piece, and it is described plus
Strong bar straight line parallel in the longitudinal direction in the front-wheel support straight line in the longitudinal direction.
Preferably, support frame as described above includes first segment supporting rack and the second segment branch being hinged on the first segment supporting rack
Support；The indigo plant of sleeping is arranged on the first segment supporting rack, and the seat indigo plant is fixed on the second segment supporting rack；It is and described
First segment supporting rack is fixed on the annular frame.
Preferably, the second segment supporting rack is in bending, and fender rod is also connected on the second segment supporting rack；It is described
Fender rod is arranged on the top for sitting indigo plant and sits blue set close to described.
Preferably, the perambulator further includes two pull rods and connecting pole, and the connecting pole sleeps indigo plant through described, and described
The both ends of connecting pole are respectively and movably connected on two pull rods, and two pull rods are respectively and movably connected to the first segment
On supporting rack.
According to above-mentioned technical proposal, the perambulator in convenience provided by the invention downstairs mainly includes annular frame, front-wheel
Mechanism, trailing wheel mechanism, sleep blue and sit blue at supporting rack；Supporting rack is fixed on annular frame, is slept blue and seat indigo plant and is all disposed within support
On frame, and sleep blue be arranged on and sit blue lower section；Front-wheel mechanism includes the front-wheel support being fixed on annular frame and lives respectively
Dynamic two wheel units for being connected to front-wheel support both ends, wheel units include front hub and multiple front arc wheels, and front hub is lived
It is dynamic to be connected on front-wheel support and front hub offers multiple preceding sliding slots along radial direction, it is set respectively on multiple front arc wheels
There are multiple front projections, and front projection is engaged setting with preceding sliding slot, and multiple front arc wheels are formed as circular；Trailing wheel mechanism includes
The rear wheel support being fixed on annular frame and two rear wheel units for being respectively and movably connected to rear wheel support both ends, rear wheel unit
Including rear-wheel hub and multiple rear arc wheels, rear-wheel hub is movably connected on rear wheel support and rear-wheel hub is offered along radial direction
Sliding slots after multiple are respectively arranged with multiple rear projections on multiple rear arc wheels, and rear projection and rear sliding slot are engaged setting, multiple
Rear arc wheel is formed as circular.In this way, when needing stair activity, multiple front arc wheels are slided along multiple preceding sliding slots so that
The distance between two front arc wheels of arbitrary neighborhood become larger, and multiple front arc wheels roll successively；Multiple rear arc wheels edges are more
Sliding slot is slided so that the distance between two rear arc wheels of arbitrary neighborhood become larger after a, and multiple rear arc wheels roll i.e. successively
It can；To ensure perambulator normal walking, multiple front arc wheels can form a circle, multiple rear arc wheels on along the circumferential direction
Also a circle can be formed on along the circumferential direction.Here, best, when going downstairs, between two neighboring front arc wheel
Distance, which is set, is more than the distance between two neighboring rear arc wheel, this is the guarantor in order to as far as possible so that perambulator will not turn forward
The safety of baby is demonstrate,proved, when going upstairs, the distance between two neighboring rear arc wheel is set greater than two neighboring front arc wheel
The distance between, this be in order to as far as possible so that perambulator will not hypsokinesis, and as far as possible save carry out perambulator strength.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is together for explaining the present invention, but be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the perambulator in a kind of convenience of preferred embodiment provided by the invention downstairs.
Reference sign
1st, front arc wheel 2, front projection
3rd, front hub 4, front-wheel support
5th, rear arc wheel 6, rear projection
7th, rear-wheel hub 8, annular frame
9th, sleep indigo plant 10, sit indigo plant
11st, first segment supporting rack 12, second segment supporting rack
13rd, fender rod 14, pull rod
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making explanation on the contrary, " upper and lower, left and right, inside and outside " etc. are included in term
The noun of locality only represent orientation of the term under normal service condition or be those skilled in the art understand that be commonly called as, without should
It is considered as the limitation to the term.
The present invention provides in a kind of convenience downstairs perambulator, the perambulator include annular frame 8, front-wheel mechanism,
Trailing wheel mechanism, supporting rack sleep indigo plant 9 and sit indigo plant 10；Support frame as described above is fixed on the annular frame 8, described to sleep indigo plant 9 and described
It sits indigo plant 10 to be all disposed on support frame as described above, and the indigo plant 9 of sleeping is arranged on the lower section for sitting indigo plant 10；The front-wheel mechanism includes
The front-wheel support 4 being fixed on the annular frame 8 and two front-wheel lists for being respectively and movably connected to 4 both ends of front-wheel support
Member, the wheel units include front hub 3 and multiple front arc wheels 1, and the front hub 3 is movably connected in the front-wheel support 4
Upper and described front hub 3 offers multiple preceding sliding slots along radial direction, is respectively arranged on multiple front arc wheels 1 multiple
Front projection 2, and multiple front projections 2 are engaged setting with multiple preceding sliding slots, multiple front arc wheels 1 form circle
Shape；The trailing wheel mechanism includes the rear wheel support being fixed on the annular frame 8 and is respectively and movably connected to the trailing wheel branch
Two rear wheel units at frame both ends, the rear wheel unit include rear-wheel hub 7 and multiple rear arc wheels 5, and 7 activity of rear-wheel hub is even
It is connected on the rear wheel support and the rear-wheel hub 7 offers multiple rear sliding slots, multiple rear arc wheels 5 along radial direction
On be respectively arranged with multiple rear projections 6, and multiple rear projections 6 with it is multiple it is described after sliding slots be engaged settings, it is multiple described in
Rear arc wheel 5 is formed as circular.
Objective according to the present invention is to provide one kind when young man and wife carries baby's trip and runs into stair, need not be frequent
Perambulator has been carried, and then has increased the perambulator of the facilitating going upstairs and going downstairs of trip convenience.As shown in Figure 1, the perambulator includes ring
Shape frame 8, front-wheel mechanism, trailing wheel mechanism, supporting rack, sleep indigo plant 9 and sit indigo plant 10；Supporting rack is fixed on annular frame 8, sleeps indigo plant 9
It is all disposed with indigo plant 10 is sat on supporting rack, and sleeps indigo plant 9 and be arranged on the lower section for sitting indigo plant 10；Front-wheel mechanism includes being fixed in ring frame
Front-wheel support 4 on frame 8 and two wheel units for being respectively and movably connected to 4 both ends of front-wheel support, wheel units include front-wheel
Hub 3 and multiple front arc wheels 1, front hub 3 is movably connected on front-wheel support 4 and front hub 3 offered along radial direction it is more
A preceding sliding slot is respectively arranged with multiple front projections 2 on multiple front arc wheels 1, and front projection 2 is engaged setting with preceding sliding slot,
Multiple front arc wheels 1 are formed as circular；Trailing wheel mechanism includes the rear wheel support being fixed on annular frame 8 and is movably connected with
Two rear wheel units at rear wheel support both ends, rear wheel unit include rear-wheel hub 7 and multiple rear arc wheels 5, and 7 activity of rear-wheel hub is even
It is connected on rear wheel support and rear-wheel hub 7 offers multiple rear sliding slots along radial direction, be respectively arranged on multiple rear arc wheels 5
Multiple rear projections 6, and rear projection 6 and rear sliding slot are engaged setting, multiple rear arc wheels 5 are formed as circular.In this way, when on needs
When going downstairs, multiple front arc wheels 1 are slided along multiple preceding sliding slots so that the distance between two front arc wheels 1 of arbitrary neighborhood
Become larger, multiple front arc wheels 1 roll successively；Multiple rear arc wheels 5 are slided along multiple rear sliding slots so that arbitrary neighborhood two
The distance between a rear arc wheel 5 becomes larger, and multiple rear arc wheels 5 roll successively；It is multiple to ensure perambulator normal walking
Front arc wheel 1 can form a circle on along the circumferential direction, multiple rear arc wheels 5 can also form one on along the circumferential direction
It is circular.Here, best, when going downstairs, the distance between two neighboring front arc wheel 1, which is set, is more than two neighboring rear arc
Wheel the distance between 5, this is to as far as possible so that perambulator will not turn forward, ensure the safety of baby, when going upstairs, phase
The distance between adjacent two rear arc wheels 5 are set greater than the distance between two neighboring front arc wheel 1, this is to make as far as possible
Perambulator will not hypsokinesis, and as far as possible save carry out perambulator strength.
In a kind of preferred embodiment of the present invention, be additionally provided with differential mechanism in the trailing wheel mechanism, and it is described after
Wheel support includes first segment and is connected to the second segment of the first segment；The first segment and the second segment are movably connected with
On two rear-wheel hubs 7；And the differential mechanism is arranged on the junction of the first segment and the second segment.In rear turbine
It is that the perambulator turns to for convenience that differential mechanism is set on structure, optimizes the performance of the perambulator.
In a kind of preferred embodiment of the present invention, the quantity of multiple front arc wheels 1 is 4, it is multiple it is described after
The quantity of arc wheel 5 is 4.Multiple front arc wheels 1 and multiple rear arc wheels 5 are both configured to 4 to ensure on smoothly
On the basis of going downstairs, material is on the one hand saved, on the other hand seems that more beauty is so that visually not from the appearance
People can be allowed to feel to feel bad.
In addition, to ensure to keep stablizing during walking in the perambulator, will not turn on one's side, on the front-wheel support 4
Be additionally provided with bracing piece, be provided with weighted item on the bracing piece, and the bracing piece straight line parallel in the longitudinal direction
In the front-wheel support 4 straight line in the longitudinal direction.
In a kind of preferred embodiment of the present invention, support frame as described above includes first segment supporting rack 11 and is hinged on institute
State the second segment supporting rack 12 on first segment supporting rack 11；The indigo plant 9 of sleeping is arranged on the first segment supporting rack 11, the seat
Indigo plant 10 is fixed on the second segment supporting rack 12；And the first segment supporting rack 11 is fixed on the annular frame 8.This
Sample will sleep blue 9 lower sections for being arranged on seat indigo plant 10, adult can be facilitated to look after baby, and will sleep indigo plant 9 and be arranged below, when
During infant sleep, it can ensure to sleep the stability of indigo plant 9 as far as possible；In addition, second segment supporting rack 12 is hinged on first segment support
On frame 11, sit indigo plant 10 and be arranged on second segment supporting rack 12, the position for sitting indigo plant 10 can be adjusted as the case may be.
In the case of being more highly preferred to, the second segment supporting rack 12 is in bending, also solid on the second segment supporting rack 12
It is connected to fender rod 13；The fender rod 13 is arranged on the top for sitting indigo plant 10 and is set close to the indigo plant 10 of sitting.This be in order to
Adult is facilitated to carry out, and fender rod 13 is arranged on the top of seat indigo plant 10 and can further prevent baby close to 10 setting of indigo plant is sat
Youngster drops from seat indigo plant 10.
In the case of being more highly preferred to, the perambulator further includes two pull rods 14 and connecting pole, and the connecting pole runs through institute
It states and sleeps indigo plant 9, and the both ends of the connecting pole are respectively and movably connected on two pull rods 14, two pull rods 14 are lived respectively
It is dynamic to be connected on the first segment supporting rack 11.In this way, sleep indigo plant 9 can rock under the action of two pull rods 14, when baby not
During good sleep, 9 roars of laughter infant sleep of indigo plant can be slept by rocking.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. in a kind of convenience downstairs perambulator, which is characterized in that the perambulator include annular frame (8), front-wheel mechanism, after
Wheel mechanism, supporting rack are slept blue (9) and are sat blue (10)；Support frame as described above is fixed on the annular frame (8), described to sleep blue (9)
It is all disposed with the indigo plant (10) of sitting on support frame as described above, and the lower section slept blue (9) and be arranged on the seat blue (10)；It is described
Front-wheel mechanism includes the front-wheel support (4) being fixed on the annular frame (8) and is respectively and movably connected to the front-wheel support
(4) two wheel units at both ends, the wheel units include front hub (3) and multiple front arc wheels (1), the front hub
(3) it is movably connected on the front-wheel support (4) and the front hub (3) offers multiple preceding sliding slots along radial direction, it is more
Be respectively arranged with multiple front projections (2) on a front arc wheel (1), and multiple front projections (2) with it is multiple described advancing slip
Slot is engaged setting, and multiple front arc wheels (1) form circular；The trailing wheel mechanism includes being fixed in the annular frame
(8) rear wheel support and two rear wheel units for being respectively and movably connected to the rear wheel support both ends, the rear wheel unit bag on
Rear-wheel hub (7) and multiple rear arc wheels (5) are included, the rear-wheel hub (7) is movably connected on the rear wheel support and the trailing wheel
Hub (7) offers multiple rear sliding slots along radial direction, and multiple rear projections are respectively arranged on multiple rear arc wheels (5)
(6), and multiple rear projections (6) are engaged setting with multiple rear sliding slots, and multiple rear arc wheels (5) are formed as round
Shape.
2. perambulator according to claim 1, which is characterized in that differential mechanism, and institute are additionally provided in the trailing wheel mechanism
Stating rear wheel support includes first segment and is connected to the second segment of the first segment；The first segment and second segment activity respectively
It is connected on two rear-wheel hubs (7)；And the differential mechanism is arranged on the junction of the first segment and the second segment.
3. perambulator according to claim 1, which is characterized in that the quantity of multiple front arc wheels (1) is 4, more
The quantity of a rear arc wheel (5) is 4.
4. perambulator according to claim 1, which is characterized in that be additionally provided with bracing piece on the front-wheel support (4), institute
State and weighted item be provided on bracing piece, and the bracing piece straight line parallel in the longitudinal direction in the front-wheel support (4)
Straight line in the longitudinal direction.
5. perambulator according to claim 1, which is characterized in that support frame as described above includes first segment supporting rack (11) and hinge
The second segment supporting rack (12) being connected on the first segment supporting rack (11)；The indigo plant (9) of sleeping is arranged on the first segment support
On frame (11), the indigo plant (10) of sitting is fixed on the second segment supporting rack (12)；And the first segment supporting rack (11) is affixed
On the annular frame (8).
6. perambulator according to claim 5, which is characterized in that the second segment supporting rack (12) is in bending, described
Fender rod (13) is also connected on second segment supporting rack (12)；The fender rod (13) be arranged on the top for sitting blue (10) and
Blue (10) setting is sat close to described.
7. perambulator according to claim 5, which is characterized in that the perambulator further includes two pull rods (14) and connection
Column, the connecting pole sleeps blue (9) through described, and the both ends of the connecting pole are respectively and movably connected to two pull rods (14)
On, two pull rods (14) are respectively and movably connected on the first segment supporting rack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346427.7A CN108100013A (en) | 2017-12-15 | 2017-12-15 | Perambulator in convenience downstairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346427.7A CN108100013A (en) | 2017-12-15 | 2017-12-15 | Perambulator in convenience downstairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100013A true CN108100013A (en) | 2018-06-01 |
Family
ID=62217158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346427.7A Withdrawn CN108100013A (en) | 2017-12-15 | 2017-12-15 | Perambulator in convenience downstairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263705A (en) * | 2018-09-04 | 2019-01-25 | 佛山市禅城区热拉空间生物科技有限公司 | A kind of obstetrics and gynecology department multifunctional baby carriage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201030878Y (en) * | 2007-03-23 | 2008-03-05 | 张以毅 | Wheel capable of going up/down stairs |
| JP2008207748A (en) * | 2007-02-27 | 2008-09-11 | Daiwarashi Co Ltd | Caster and article with caster |
| KR20100013891A (en) * | 2008-08-01 | 2010-02-10 | 주식회사 이광원물리연구소 | Easy driving baby carriage in stairs and slope |
| CN201427599Y (en) * | 2008-12-25 | 2010-03-24 | 万忠清 | Electric star-shaped stair-climbing wheel set |
| CN204309856U (en) * | 2014-12-02 | 2015-05-06 | 哈尔滨理工大学 | A kind of shaking four paws climbs building perambulator |
-
2017
- 2017-12-15 CN CN201711346427.7A patent/CN108100013A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008207748A (en) * | 2007-02-27 | 2008-09-11 | Daiwarashi Co Ltd | Caster and article with caster |
| CN201030878Y (en) * | 2007-03-23 | 2008-03-05 | 张以毅 | Wheel capable of going up/down stairs |
| KR20100013891A (en) * | 2008-08-01 | 2010-02-10 | 주식회사 이광원물리연구소 | Easy driving baby carriage in stairs and slope |
| CN201427599Y (en) * | 2008-12-25 | 2010-03-24 | 万忠清 | Electric star-shaped stair-climbing wheel set |
| CN204309856U (en) * | 2014-12-02 | 2015-05-06 | 哈尔滨理工大学 | A kind of shaking four paws climbs building perambulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263705A (en) * | 2018-09-04 | 2019-01-25 | 佛山市禅城区热拉空间生物科技有限公司 | A kind of obstetrics and gynecology department multifunctional baby carriage |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180601 |