CN206525838U - Angle adjusting device for back and baby' chair - Google Patents
Angle adjusting device for back and baby' chair Download PDFInfo
- Publication number
- CN206525838U CN206525838U CN201621318725.6U CN201621318725U CN206525838U CN 206525838 U CN206525838 U CN 206525838U CN 201621318725 U CN201621318725 U CN 201621318725U CN 206525838 U CN206525838 U CN 206525838U
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- China
- Prior art keywords
- latch
- housing
- adjusting device
- angle adjusting
- base
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of angle adjusting device for back and baby' chair, angle adjusting device for back includes the movable housing on the chair back；It is movably connected in the connecting rod between housing and seat support；Latch, is arranged in enclosure interior accommodation space, can be moved back and forth between a first position and a second place；The first end of latch is provided with locking part；Release tab, is arranged on housing side and coordinates with latch；And safety key, it is arranged on housing opposite side with respect to release tab and coordinates with latch；When latch is in first position, the locking part of latch is stretched out housing and coordinated on the chair back, and release tab is located remotely from the direction of latch, and safety key is interfered with latch, limitation latch motion；When latch is in the second place, the chair back is left in the locking part of latch, and safety key staggers to the spacing of latch, and release tab coordinates in latch side and close to safety key.The utility model realizes the angular adjustment of the chair back and locking, simple to operate, safe and reliable.
Description
Technical field
The utility model is related to a kind of chair back adjusting means, more particularly to a kind of angle adjusting device for back and uses the chair
Carry on the back the baby' chair of angle regulator.
Background technology
The regulation of baby' chair back inclination on the market is, it is necessary to which multi-step is operated.Need first to open safety lock during regulation
The angular adjustment of the chair back can be carried out, regulation is finished to also need to start safety lock and is fixed.The step of safety lock starts is very
Easily forgotten by user, the chair back can be caused to stay in the case of safety lock is not actuated, produce dangerous.Therefore, existing baby
The design of chair is not safe enough, inadequate hommization.
Utility model content
The technical problems to be solved in the utility model is that there is provided a kind of simple to operate, safe and reliable and hommization chair
Carry on the back angle regulator.
The utility model solves the technical scheme that its technical problem used：A kind of angle adjusting device for back is provided,
Including：
The movable housing on the chair back, the enclosure interior has accommodation space；
It is movably connected in the connecting rod between the housing and seat support；
Latch, is arranged in the accommodation space, can be moved back and forth between a first position and a second place；It is described
The first end of latch is provided with the extended housing and coordinates the locking part on the chair back；
Release tab, is arranged on the housing side and coordinates with the latch, can be close and away from the latch
Moved back and forth on direction；And
Safety key, relatively described release tab be arranged on the housing opposite side and with the latch coordinate, can by
Near and far is moved back and forth from the direction of the latch；
When the latch is in first position, the locking part of the latch is stretched out the housing and coordinated in the chair back
On, the release tab is located remotely from the direction of the latch, and the safety key is interfered with the latch, limits described insert
Pin motion；
When the latch is in the second place, the chair back is left in the locking part of the latch, and the safety key staggers
To the spacing of the latch, the release tab coordinates in the latch side and close to the safety key.
Preferably, the housing includes base and coordinates the top cover on the base；The top cover by buckle and/
Or fastened by screw is on the base；The base is provided with the through hole stretched out for the locking part of the latch.
Preferably, the latch includes the main part being arranged in the accommodation space, the first end court of the main part
To the base, relative the second end is towards the top cover；The locking part protrusion is arranged in the first end of the main part；
The first end of the main part is provided with the first guide part coordinated with the release tab；The side of the main part
Provided with the limited post coordinated with the safety key.
Preferably, location division of the position provided with protrusion of the base and/or the top cover correspondence latch, described fixed
Locating slot is provided with the middle of the portion of position, the main part of the latch is movable to be contained in the locating slot；
The through hole is connected just to the locating slot and with the locating slot on the base.
Preferably, the release tab is fastened on the base, and can be along the base close and remote described slotting
Moved back and forth on the direction of pin；
The release tab is provided with the second guide part coordinated with first guide part, institute towards one end of the latch
State the second guide part can along first guide part enter between the base and the latch first end, drive the latch to
The top cover direction motion.
Preferably, the safety key is fastened on the base, and can be along the base close and remote described slotting
Moved back and forth on the direction of pin；
The safety key is provided with bending part towards one end of the latch, described when the latch is in first position
Bending part is pressed on side of the limited post away from the base, is limited the latch and is moved to the top cover direction.
Preferably, the angle adjusting device for back also includes：
First return springs, the direction of motion of the parallel latch is arranged on the end of latch second and the top cover
Between；
Second return springs, the direction of motion of the parallel safety key, are arranged on the safety key and the bottom
Between seat.
Preferably, the connecting rod includes being hinged first end on the housing and be hinged on the seat support second
End；Or, the connecting rod takes the shape of the letter U, and its traversing section coordinates in the housing, and with respect to two vertical sections are located at the housing outer two
Side, the free terminal of vertical section is hinged on the seat support.
Preferably, the opposite sides of the housing or towards the bottom surface of the chair back be provided with the chair back coordinate guide rail.
The utility model also provides a kind of baby' chair, including seat support, be rotatably connected on the seat support the chair back, more than
Angle adjusting device for back described in any one；
The housing of the angle adjusting device for back is arranged on the chair with can moving back and forth along the back height direction
Back；The connecting rod of the angle adjusting device for back is connected between the housing and seat support；
The chair back is provided with locking part cooperation multiple slots therein for the latch of the angle adjusting device for back,
Multiple slots are along the back height directional spreding.
Angle adjusting device for back of the present utility model, it is adaptable to the adjustable seat of the angle of back-rest such as baby' chair, by same
When press its release tab and safety key so that angle adjusting device for back can be moved up and down along the chair back, be fitted in the chair back
Release tab and safety key are discharged behind angle of inclination, the adjusting means auto lock can be made to be fixed on correspondence position on the chair back
Put, coordinate the adjusting means to be connected to the connecting rod on seat support, you can the angle after the chair back is adjusted is fixed, realize the angle of the chair back
Adjust and lock, it is simple to operate, it is safe and reliable with double insurance.
In addition, being oppositely arranged for release tab and safety key, can be achieved one-handed performance, hand, which leaves button, to be locked automatically
Fasten, it is not necessary to which safety lock is set again in addition, it is ensured that hommization while safe and reliable.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is structural representation of the angle adjusting device for back of the embodiment of the utility model one on baby' chair；
Fig. 2 is Fig. 1 longitudinal profile structure schematic；
Fig. 3 is the decomposition texture schematic diagram of the angle adjusting device for back of the embodiment of the utility model one；
Fig. 4 is the structural representation of latch in Fig. 3；
Fig. 5, Fig. 6 are that the angle adjusting device for back of the embodiment of the utility model one is in cuing open when locking and unlocking respectively
Face structural representation；
(1), (2) are respectively the angle adjusting device for back of the embodiment of the utility model one in locking and unlocked in Fig. 7
When release tab and latch coordinate cross-sectional view；
(1), (2) are respectively the angle adjusting device for back of the embodiment of the utility model one in locking and unlocked in Fig. 8
When safety key and latch coordinate cross-sectional view；
Fig. 9 is that the angle adjusting device for back of the embodiment of the utility model one is multiple in safety key when locking and second
The cross-sectional view of position elastic component.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate embodiment of the present utility model.
As shown in Figure 1, 2, the angle adjusting device for back of the embodiment of the utility model one, it is adaptable to the chair back such as baby' chair angle
Spend adjustable seat.
The angle adjusting device for back includes housing 10, connecting rod 20, latch 30, release tab 40 and safety key 50.
Housing 10 is movable to be arranged on the chair back 2, can be moved back and forth in the short transverse of the chair back 2；The inside of housing 10 has accommodating sky
Between.Connecting rod 20 is movably connected between housing 10 and seat support 1, with different height of the housing on the chair back 2, the inclination of connecting rod 20
Angle is also different.Latch 30 is arranged in accommodation space, can be moved back and forth between a first position and a second place；And
And, the first end of latch 30 is provided with locking part 31, and extended housing 10 simultaneously coordinates on the chair back 2.Release tab 40 is arranged on shell
The side of body 10 simultaneously coordinates with latch 30, can be moved back and forth on the direction of latch 30.Safety key 50 is relative to be solved
Lock button 40 is arranged on the opposite side of housing 10 and coordinated with latch 30, can back and forth be transported on the direction of latch 30
It is dynamic.
When latch 30 is in first position, the locking part 31 of latch 30 is stretched out housing 10 and coordinated on the chair back 2, and unblock is pressed
Key 40 is located remotely from the direction of latch 30, and safety key 50 is interfered with latch 30, and limitation latch 30 is moved；Latch 30 is in the
During two positions, the chair back 2 is left in the locking part 31 of latch 30, and safety key 50 staggers to the spacing of latch 30, and release tab 40 is matched somebody with somebody
Close in the side of latch 30 and close to safety key 50.
As Figure 1-3, housing 10 includes the top cover 12 of base 11 and cooperation on the pedestal 11.Base 11 is provided with confession
The through hole 13 that the locking part 31 of latch 30 is stretched out.
Top cover 12 can be by buckle and/or fastened by screw on the pedestal 11.It is fastened on for example, the side of top cover 12 can be stretched into
In the side of base 11；The relative opposite side of top cover 12 coordinates on the opposite side of base 11, and further by screw by two
The side that person coordinates is locked together.
The opposite sides of housing 10 is provided with the guide rail 16 coordinated with the chair back 2 towards the bottom surface of the chair back 2.Can on the chair back 2
Guide groove is correspondingly provided with for guide rail slidably to coordinate wherein.
Connecting rod 20 is supported between housing 10 and seat support 1, rotatable with respect to housing 10 and seat support 1.Alternatively, connecting rod 20
Can be one or more, connecting rod 20 includes first end and the second end being connected, first end is hinged on the housing 10, the second end hinge
It is connected on seat support 1.Can also take the shape of the letter U one of connecting rod 20, its traversing section coordinates in housing 10, and with respect to two vertical sections are positioned at shell
The outer both sides of body 10, the free terminal of vertical section is hinged on seat support 1.
As housing 10 is moved up and down in the chair back 2, angle change of the chair back 2 with respect to seat support 1.When housing 10 is in the chair back
When being in extreme lower position on 2, the angle between the back side of the chair back 2 and seat support 1 is minimum, otherwise maximum.
Latch 30 is arranged in the accommodation space of housing 10, and can be moved back and forth between base 11 and top cover 12, with band
Dynamic locking part 31 is stretched out housing 10 or resetted.
As shown in Figure 3,4, latch 30 may include to be arranged on the main part 32 in accommodation space.The first end court of main part 32
To base 11, relative the second end is towards top cover 12.The protrusion of locking part 31 is arranged in the first end of main part 32, so that direction
Base 11 simultaneously can stretch out base 11 by the through hole 13 on base 11.
As shown in figure 5, when latch 30 is in first position, latch 30 is moved to the direction of base 11 so that locking part 31 is stretched out
Base 11；As shown in fig. 6, when latch 30 is in the second place, latch 30 is moved to the direction of top cover 12, locking part 31 is driven to reset
Return in base 11.
Wherein, and as shown in figure 3, main part 32 first end be provided with release tab 40 coordinate the first guide part 33；
, can be by the in the motion process of release tab 40 after coordinating with the first guide part 33 in release tab 40 close to main part 32
One guide part 33 drives latch 30 to be moved back and forth between base 11 and top cover 12.
The side of main part 32 be provided with safety key 50 coordinate limited post 34, by by key 50 to limited post 34
Compress to limit the motion of latch 30.
In order to ensure latch 30 with straight line moving back and forth between base 11 and top cover 12, on base 11 correspondence latch 30
Location division 14 of the position provided with protrusion, be provided with locating slot 15 in the middle of location division 14, the width of locating slot 15 is more than latch 30
Width.The main part 32 of latch 30 is movable to be contained in locating slot 15, and main part 32 is in locating slot 15 along locating slot 15
Depth is moved back and forth between base 11 and top cover 12.Through hole 13 connects just to locating slot 15 and with locating slot 15 on the pedestal 11
It is logical.
Certainly, location division 14 can be also protruded on top cover 12, or is protruded respectively on base 11 and top cover 12.
As shown in figure 3, release tab 40 can be fastened on base 11 by the setting of barb 41, and can along base 11 by
Near and far is moved back and forth from the direction of latch 30.Release tab 40 is provided with towards one end of latch 30 matches somebody with somebody with the first guide part 33
The second guide part 42 closed, the second guide part 42 can enter between base 11 and the first end of latch 30 along the first guide part 33, drive
Latch 30 is set to be moved to the direction of top cover 12.
In the present embodiment, the first guide part 33 and the second guide part 42 include the inclined-plane being engaged.
With reference to (1) in Fig. 5, Fig. 7, when latch 30 is in first position, base 11, unblock are stretched out in the locking part 31 of latch 30
Button 40 is located remotely from the direction of latch 30, and the second guide part 42 coordinates in the side of the first guide part 33, and release tab 40
Do not apply the power moved to the direction of top cover 12 to latch 30.When being unlocked by pressing button 40 so that release tab 40 is to close to latch
30 directions are moved, and the cooperation of the second guide part 42 and the first guide part 33 drives the first guide part 33 along the second guide part 42
Motion, so as to drive latch 30 to be moved to the direction of top cover 12, drives locking part 31 to be reset in base 11, in such as Fig. 6, Fig. 7 (2)
It is shown.
As shown in figure 3, safety key 50 can be fastened on base 11 relatively with release tab 40, and it can exist along base 11
Moved back and forth on the direction of latch 30.Safety key 50 is provided with bending part 51, bending towards one end of latch 30
There is a plane can be pressed on the limited post 34 of latch 30 in portion 51.
With reference to (1) in Fig. 5, Fig. 7, Fig. 8, when latch 30 is in first position, base 11 is stretched out in the locking part 31 of latch 30,
Bending part 51 is pressed on side of the limited post 34 away from base 11, and limitation latch 30 is moved to the direction of top cover 12.Pressed when simultaneously
Press safety key 50 and release tab 40, bending part 51 staggers limited post 34, releases compressing to limited post 34, latch 30 is in solution
The lock motion of button 40 drive it is lower move to the direction of top cover 12, drive locking part 31 to be reset in base 11, as (2) in Fig. 6, Fig. 7,
In Fig. 8 shown in (2).
Further, angle adjusting device for back also includes the first return springs 60 and the second return springs 70.
As shown in figure 3, the direction of motion of the parallel latch 30 of the first return springs 60, is arranged on the end of latch 30 second and top
Between lid 12.First return springs 60 can be other elastic components such as spring or shell fragment.For retaining spring, latch 30 and top cover 12
On can set respectively projection or groove position.
When latch 30 is in first position, the first return springs 60 can be at its original extended configuration, and there is provided will insert
The top pressure of pin 30 to base 11 pressure on top surface, as shown in Figure 5.When while being unlocked by pressing button 40 and safety key 50, depend on both
After nearly latch 30, latch 30 is driven to be moved to the direction of top cover 12, now the first return springs 60 are compressed, so that latch 30 is from the
One position moves to the second place, as shown in Figure 6.
As shown in figure 3, the direction of motion of the parallel safety button 50 of the second return springs 70, is arranged on the He of safety key 50
Between base 11.Second return springs 70 can be other elastic components such as spring or shell fragment.For retaining spring, the He of safety key 50
Projection or groove position can be set respectively on base 11.
When latch 30 is in first position, the second return springs 70 can be at its original extended configuration, such as Fig. 9 institutes
Show.When being unlocked by pressing button 40 and safety key 50 simultaneously, the second return springs 70 compress, release tab 40 and safety key
50 motions drive latch 30 to be moved to the direction of top cover 12, so that latch 30 moves to second from first position after latch 30
Position, as shown in Figure 6.After releasing to the pressing of release tab 40 and safety key 50, safety key 50 can reset bullet second
Property part 70 restoring force effect under move and reset, reply of the latch 30 in the first return springs 60 to away from the direction of latch 30
Reset is moved to the direction of base 11 under power effect, while unblock is driven in the cooperation by the first guide part 33 and the second guide part 42
Button 40 also resets to being moved away from the direction of latch 30.
Angle adjusting device for back of the present utility model, it is adaptable to the adjustable any seat of angle of back-rest.
With reference to Fig. 1,2, the seat of the embodiment of the utility model one, is baby' chair, and it includes seat support 1, is rotatably connected
The chair back 2 and above-mentioned angle adjusting device for back on seat support 1.Angle adjusting device for back is used for the chair back 2 with respect to seat support
1 turn an angle after lock, make the chair back 2 be positioned at relative seat support 1 tilt or vertical angle on.
Wherein, the housing 10 of angle adjusting device for back is arranged on the chair back 2 with can moving back and forth along the short transverse of the chair back 2
On.The connecting rod 20 of angle adjusting device for back is connected between housing 10 and seat support 1.
As shown in Figure 1,5, accordingly, it can coordinate on the chair back 2 provided with guide groove 21 with the guide rail 16 on housing 10, so that housing
10 are moved up and down by its guide rail 16 along guide groove 21 in the chair back 2.
Multiple slots 22 are additionally provided with the chair back 2, multiple slots 22 are distributed along the short transverse of the chair back 2, are adjusted for angle of back-rest
The locking part 31 of the latch 30 of device coordinates wherein.
During adjusting back 2, adult can hand press release tab 40 and safety key 50 simultaneously, drive the lock of latch 30
Gu slot 22 is left in portion 31, pull the chair back 2 to go to after required angle, unclamp release tab 40 and safety key 50, latch
30 locking part 31 can be inserted on the chair back 2 in corresponding slot 22, the gradient that the locking chair back 2 is currently adjusted, and realize the chair back more than 2
Individual angular adjustment, the demand for alloing the chair back 2 to there are multiple gradients to coordinate baby's different times.
In addition, resetting bullet by the size to release tab 40 and safety key 50, the first return springs 60 and second
Property part 70 grade set, may be such that need certain dynamics could being unlocked by pressing button 40 and safety key 50, avoid children wait compared with
The pressable of small age person, improves the safety in utilization of angle adjusting device for back.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of angle adjusting device for back, it is characterised in that including：
The movable housing on the chair back, the enclosure interior has accommodation space；
It is movably connected in the connecting rod between the housing and seat support；
Latch, is arranged in the accommodation space, can be moved back and forth between a first position and a second place；The latch
First end is provided with the extended housing and coordinates locking part on the chair back；
Release tab, is arranged on the housing side and coordinates with the latch, can be in direction close and away from the latch
It is upper to move back and forth；And
Safety key, relatively described release tab be arranged on the housing opposite side and with the latch coordinate, can close to and
Moved back and forth on direction away from the latch；
When the latch is in first position, the locking part of the latch is stretched out the housing and coordinated on the chair back, institute
State release tab to be located remotely from the direction of the latch, the safety key is interfered with the latch, limit the latch fortune
It is dynamic；
When the latch is in the second place, the chair back is left in the locking part of the latch, and the safety key staggers to institute
The spacing of latch is stated, the release tab coordinates in the latch side and close to the safety key.
2. angle adjusting device for back according to claim 1, it is characterised in that the housing includes base and cooperation
Top cover on the base；The top cover is by buckle and/or fastened by screw on the base；The base is provided with confession
The through hole that the locking part of the latch is stretched out.
3. angle adjusting device for back according to claim 2, it is characterised in that the latch includes being arranged on the appearance
It is empty interior main part, the first end of the main part is towards the base, and relative the second end is towards the top cover；It is described
Locking part protrusion is arranged in the first end of the main part；
The first end of the main part is provided with the first guide part coordinated with the release tab；The side of the main part is provided with
The limited post coordinated with the safety key.
4. angle adjusting device for back according to claim 3, it is characterised in that the base and/or the top cover pair
Answer and be provided with locating slot in the middle of location division of the position provided with protrusion of the latch, the location division, the main part of the latch can
Activity is contained in the locating slot；
The through hole is connected just to the locating slot and with the locating slot on the base.
5. angle adjusting device for back according to claim 3, it is characterised in that the release tab is fastened on the bottom
On seat, and it can be moved back and forth along the base on the direction of the latch；
The release tab is provided with the second guide part coordinated with first guide part, described the towards one end of the latch
Two guide parts can enter between the base and the latch first end along first guide part, drive the latch to described
Move in top cover direction.
6. angle adjusting device for back according to claim 3, it is characterised in that the safety key is fastened on the bottom
On seat, and it can be moved back and forth along the base on the direction of the latch；
The safety key is provided with bending part towards one end of the latch, when the latch is in first position, the bending
Portion is pressed on side of the limited post away from the base, is limited the latch and is moved to the top cover direction.
7. angle adjusting device for back according to claim 2, it is characterised in that the angle adjusting device for back is also wrapped
Include：
First return springs, the direction of motion of the parallel latch is arranged between the end of latch second and the top cover；
Second return springs, the direction of motion of the parallel safety key, be arranged on the safety key and the base it
Between.
8. the angle adjusting device for back according to claim any one of 1-7, it is characterised in that the connecting rod includes being hinged
First end on the housing and the second end being hinged on the seat support；Or, the connecting rod takes the shape of the letter U, its traversing section
Coordinate in the housing, with respect to two vertical sections are located at the outer both sides of the housing, described in the free terminal of vertical section is hinged on
On seat support.
9. the angle adjusting device for back according to claim any one of 1-7, it is characterised in that relative the two of the housing
Side is provided with the guide rail coordinated with the chair back towards the bottom surface of the chair back.
10. a kind of baby' chair, it is characterised in that including seat support, the chair back being rotatably connected on the seat support, claim 1-
Angle adjusting device for back described in 9 any one；
The housing of the angle adjusting device for back is arranged on the chair back in which can move back and forth along the back height direction；
The connecting rod of the angle adjusting device for back is connected between the housing and seat support；
The chair back is provided with locking part cooperation multiple slots therein for the latch of the angle adjusting device for back, multiple
The slot is along the back height directional spreding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318725.6U CN206525838U (en) | 2016-12-02 | 2016-12-02 | Angle adjusting device for back and baby' chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621318725.6U CN206525838U (en) | 2016-12-02 | 2016-12-02 | Angle adjusting device for back and baby' chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206525838U true CN206525838U (en) | 2017-09-29 |
Family
ID=59922927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621318725.6U Withdrawn - After Issue CN206525838U (en) | 2016-12-02 | 2016-12-02 | Angle adjusting device for back and baby' chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206525838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490881A (en) * | 2016-12-02 | 2017-03-15 | 华安立高文具制品（深圳）有限公司 | Angle adjusting device for back and baby' chair |
-
2016
- 2016-12-02 CN CN201621318725.6U patent/CN206525838U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106490881A (en) * | 2016-12-02 | 2017-03-15 | 华安立高文具制品（深圳）有限公司 | Angle adjusting device for back and baby' chair |
| WO2018099139A1 (en) * | 2016-12-02 | 2018-06-07 | 华安立高文具制品（深圳）有限公司 | Chair back angle adjusting device and baby chair |
| CN106490881B (en) * | 2016-12-02 | 2018-11-02 | 华安立高文具制品（深圳）有限公司 | Angle adjusting device for back and baby' chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170929 Effective date of abandoning: 20181102 |
|
| AV01 | Patent right actively abandoned |