CN107752506A - A kind of Shatter-resistant chair - Google Patents
A kind of Shatter-resistant chair Download PDFInfo
- Publication number
- CN107752506A CN107752506A CN201711096498.6A CN201711096498A CN107752506A CN 107752506 A CN107752506 A CN 107752506A CN 201711096498 A CN201711096498 A CN 201711096498A CN 107752506 A CN107752506 A CN 107752506A
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- CN
- China
- Prior art keywords
- magnet
- cushion body
- base
- arc
- shatter
- 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.)
- Granted
Links
- 230000005484 gravity Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- 244000124765 Salsola kali Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 208000013623 stereotypic movement disease Diseases 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/16—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats of legless type, e.g. with seat directly resting on the floor; Hassocks; Pouffes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/503—Supports for the feet or the legs coupled to fixed parts of the chair with double foot-rests or leg-rests
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention discloses a kind of Shatter-resistant chair, belong to the technical field of the seat, positive truncated rectangular pyramids or truncated cone-shaped base are provided with below cushion body, and the side of truncated rectangular pyramids shape base and the angle of bottom surface are 52 °, or the bus of truncated cone-shaped base and the angle of bottom surface are 52 °；Universal rolling wheel is provided with below base；Gap be present between cushion body and the mounting groove inwall of base, cushion body is arranged right below arc, connecting lateral plate is connected between arc both sides and cushion body bottom surface, the fixation short axle of corresponding connecting lateral plate is provided through on mounting groove inwall, the length direction gravity post parallel with connecting two pieces of connecting lateral plate directions is equipped with arc inner surface；Arc rear and front end is equipped with magnet one, and the inwall that mounting groove corresponds to arc rear and front end is provided with and the polarity identical magnet two of magnet one.The present invention can play the effect of rocking chair, have reset effect, and have comprehensive and stable shatter-resistant function, can greatly improve the application comfort and security of seat.
Description
Technical field
The present invention relates to the technical field of the seat, is specifically related to a kind of Shatter-resistant chair.
Background technology
Seat is that a kind of have the also armed thing to sit on of backrest, some.According to the classification used：Airport seat, automotive seat,
Bus seat, home seating, dining room seat, child safety seat, Relaxing chair etc.；According to materials classification：Aluminium alloy seat, no
Become rusty steel seat, iron seat, Wooden chair, and other materials seat etc..If user using it is long during seat when
Between use, will feel tired, it is necessary to convert sitting posture, or unfold body, if being inclined to side excessive, will cause to fall down.Shake
Chair is a kind of chair that can be rocked back and forth, and main material is rattan or wood or metal, and user rocks back and forth on rocking chair, meeting
Feel to loosen comfortably, so as to lift quality of life, increase life entertaining.
At present, the existing seat with shatter-resistant function is all from preventing seat from toppling over this functional perspective backward and going to study
Improve, it is impossible to prevent seat from toppling over forward, to the left or to the right, cause the shatter-resistant function of seat not comprehensive enough.Some Shatter-resistant chairs
Thoroughly falling down for seat is only prevented, seat still can occur largely to tilt, for example Authorization Notice No. is CN
201564016U patent discloses a kind of Shatter-resistant chair in chair back body both sides difference rotating shaft connection support bar, after chair
The elevation angle is spent greatly, two support bars contact to earth and stablize support seat, avoid seat from overturning, now, seat keep tilt backwards compared with
Big angle, it is possible to make user get a fright or in awkward scene.
The content of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of Shatter-resistant chair, and it can alleviate the fatigue of user, have
Reset effect, and there is comprehensive and stable shatter-resistant function, the application comfort and security of seat can be greatly improved.
2. technical scheme
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of Shatter-resistant chair, including cushion body and the chair back body for being fixed on cushion body rear,
Also include being shaped as side for the base and the universal rolling wheel located at base end face, the base of support seat cushion body
The round platform that angle is 52 ° between angle is 52 ° between face and bottom surface positive truncated rectangular pyramids or bus and bottom surface, the universal rolling wheel have
4~6, they are uniformly located at base bottom, and the universal rolling wheel includes roller and group for driving roller to stop operating
Bar；
It is located at the mounting groove of base upper surface in the base provided with opening, the cushion body is located at mounting groove opening,
And gap between cushion body and mounting groove inwall be present, the cushion body be arranged right below being bent upwards in cushion body front and back and
The recessed arc in middle part, is connected with connecting lateral plate between the arc both sides and cushion body bottom surface, the mounting groove is corresponding
The fixation short axle through corresponding connecting lateral plate is equipped with the inwall of connecting lateral plate, the connecting lateral plate is sleeved on corresponding fixation
In short axle；The length direction gravity post parallel with connecting two pieces of connecting lateral plate directions is equipped with the arc inner surface,
And the gravity post is between two pieces of connecting lateral plates；The arc rear and front end is equipped with magnet one, the installation
The inwall that groove corresponds to arc rear and front end is provided with and the polarity identical magnet two of magnet one.
Further, the fixed short axle top contacts with cushion body bottom surface, in fixed short axle on the connecting lateral plate
Installation place is provided with the mounting hole coordinated with fixed short axle gap.It is arranged such, shortens cushion body and it is waved between the center of circle
Distance, so that the amount of movement of cushion body front and back end is reduced under identical rotational angle, it may advantageously facilitate the stationarity of cushion body；
The range shorter that cushion body upper table deflecting facet streaks in cushion body rocking process can also be caused, be advantageous to reduce cushion body and installation
Gap between groove inwall, also with regard to the volume of base can be reduced, so as to be advantageous to material saving and that saves seat occupies space.
Mounting hole provides facility for the deflection of connecting lateral plate.
Further, the gravity post is provided with magnet three opposite polarity with magnet one, and the magnet two and magnet
Magnetic attraction between three is less than the magnetic repulsion between magnet one and magnet two.When cushion body deflects, gravity post moves to the end,
Magnet three by magnet one magnetic act on so that gravity post to the end magnet one further towards, ensure cushion body it is effective
Deflection, promote the swingable function of seat.But this may hinder the reseting procedure of cushion body, analysis is learnt：It is inclined in cushion body
Turn during, the end magnet one and magnet three are close to the end magnet two, afterwards, magnet one by magnet two magnetic repulsion,
Magnetic attraction of the magnet three by magnet two simultaneously.So only have magnetic repulsion be more than magnetic attraction, just can guarantee that cushion body smoothly oneself
It is dynamic to reset.
Specifically, " n " the shape housing shrouded on roller top is connected with the roller, the housing upper end is fixed with rotation
Rotating shaft, the rotary shaft upper end are rotatablely connected a fixed block being fixedly mounted on base end face；It is connected with the housing
The brake article that one end is fixed, the driving lever are connected with brake article.Rotary shaft upper end is rotatablely connected with fixed block, lower end set casing
Body, housing connection roller, can realize the rolling of roller any direction on the ground by rotary shaft；Driving lever is stirred, will can be braked
Bar is only pressed in roller surface, so as to prevent the rolling of roller.
Further, the front end face bottom of the base is provided with foot pedal.Using when, pin can be stepped down in foot pedal by user
On.
3. beneficial effect
(1) present invention positive truncated rectangular pyramids or truncated cone-shaped base are provided with below cushion body, can the surrounding of seat provide compared with
For stable support, seat toppling over to front, rear, left and right any direction can be prevented；And the side and bottom of truncated rectangular pyramids shape base
The angle in face is 52 °, or the bus of truncated cone-shaped base and the angle of bottom surface are 52 °, 52 ° be Natural care in phenomenon limiting angle and
Angle of stability, the stability of seat can be farthest ensured, so as to play comprehensive and stable shatter-resistant effect.
(2) present invention is provided with universal rolling wheel below base, because the setting of the base of prismatic table shape or truncated cone-shaped, can make seat
Chair is heavier, can be easy to the movement of seat using universal rolling wheel.
(3) present invention is provided with the arc being connected with cushion body below cushion body, and gravity post is equipped with arc, borrows
In view of roly-poly principle, even if seat run-off the straight, in the presence of gravity post, seat can automatically reset, and can avoid user
Get a fright or in awkward scene, improve comfort level；And the stability of seat is further ensured, strengthen shatter-resistant effect.
(4) present invention is respectively equipped with magnet one in arc rear and front end, is provided with and the polarity phase of magnet one in mounting groove
With the magnet two of (magnetic is repelled each other).When cushion body deflects to one end, magnet one is close to magnet two, once by enough magnetic
Repulsion, cushion body just reset and reversely deflected, and and so on, impart the swingable function of cushion body (in above-mentioned guarantee seat
Under conditions of stable), can effectively alleviate long-time use caused by sense of fatigue, avoid the big-movement of user, can more meet to make
The demand of user, increase the comfort level and application value of seat.
To sum up, the present invention can alleviate the fatigue of user, have reset effect, and with comprehensive and stable shatter-resistant work(
Energy, the application comfort and security of seat can be greatly improved.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention in embodiment 1；
Fig. 2 is the Section A-A structural representation of Fig. 1 center bases 3；
Fig. 3 is the section B-B structural representation of Fig. 1 center bases 3；
Fig. 4 is the structural representation of the center base 3 of embodiment 2；
Fig. 5 is the structural representation of Section A-A in Fig. 4；
Fig. 6 is the structural representation of section B-B in Fig. 4
Wherein, 1- cushions body, 2- chair back bodies, 3- bases, 4- universal rolling wheels, 5- mounting grooves, 6- arcs, 7- connecting sides
Plate, 8- fix short axle, 9- gravity posts, 10- magnets one, 11- magnets two, 12- mounting holes, 13- magnets three, 14- foot pedals, 41-
Fixed block, 42- rotary shafts, 43- brake articles, 44- driving levers, 45- rollers, 46- housings.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
Embodiment 1
A kind of Shatter-resistant chair as shown in Figure 1, Figure 2 and Figure 3, including cushion body 1 and the chair back for being fixed on the rear of cushion body 1
Body 2,
Also include the base 3 for support seat cushion body 1 and the universal rolling wheel 4 located at the bottom surface of base 3, the shape of the base 3
Shape is the positive truncated rectangular pyramids that angle is 52 ° between side and bottom surface, and the universal rolling wheel 4 has four to six (only to represent four in figure
It is individual), they are uniformly located at the bottom of base 3, and the universal rolling wheel 4 includes roller 45 and stopped operating for driving roller 45
Driving lever 44；
It is located at the mounting groove 5 of the upper surface of base 3 in the base 3 provided with opening, the cushion body 1 is opened located at mounting groove 5
At mouthful, and gap between cushion body 1 and the inwall of mounting groove 5 be present, the cushion body 1 is arranged right below in the front and back of cushion body 1
It is bent upwards and arc 6 that middle part is recessed, connecting lateral plate 7 is connected between the both sides of arc 6 and the bottom surface of cushion body 1,
The fixation short axle 8 through corresponding connecting lateral plate 7, the connecting side are equipped with the inwall of the corresponding connecting lateral plate 7 of the mounting groove 5
Plate 7 is sleeved in corresponding fixed short axle 8；Length direction is equipped with the inner surface of arc 6 with being connected two pieces of connections
The parallel gravity post 9 in the direction of side plate 7, and the gravity post 9 is between two pieces of connecting lateral plates 7；Before and after the arc 6
Both ends are equipped with magnet 1, and the inwall of the corresponding rear and front end of arc 6 of the mounting groove 5 is provided with and the polarity phase of magnet 1
Same magnet 2 11.
Further, as shown in Figure 3 and Figure 6, the top of fixed short axle 8 contacts with the bottom surface of cushion body 1, the connecting side
The mounting hole 12 coordinated with the fixed gap of short axle 8 is provided with plate 7 in the installation place of fixed short axle 8.It is arranged such, shortens cushion
Body 1 waves the distance between center of circle with it, so that the amount of movement of the front and back end of cushion body 1 is reduced under identical rotational angle, has
Beneficial to the stationarity for promoting cushion body 1；The scope that the upper table deflecting facet of cushion body 1 streaks in the rocking process of cushion body 1 can also be caused
Reduce, be advantageous to the gap reduced between cushion body 1 and the inwall of mounting groove 5, also with regard to the volume of base 3 can be reduced, so as to favourable
In material saving and save seat and occupy space.Mounting hole 12 provides facility for the deflection of connecting lateral plate 7.
Further, as shown in figures 2 and 5, the gravity post 9 is provided with magnet three opposite polarity with magnet 1
13, and the magnetic attraction between the magnet 2 11 and magnet 3 13 is less than the magnetic repulsion between magnet 1 and magnet 2 11.
Cushion body 1 deflect when, gravity post 9 to the end move, magnet 3 13 by magnet 1 magnetic act on so that gravity post 9 to
The end magnet 1 is further towards ensureing effective deflection of cushion body 1, promote the swingable function of seat.But this may hinder
Hinder the reseting procedure of cushion body 1, analysis is learnt：In the deflection of cushion body 1, the end magnet 1 and magnet 3 13 to
The end magnet 2 11 is close, and afterwards, magnet 1 is by the magnetic repulsion of magnet 2 11, while magnet 3 13 is by magnet 2 11
Magnetic attraction.So only have magnetic repulsion to be more than magnetic attraction, just can guarantee that smoothly automatically reseting for cushion body 1.
Specifically, " n " the shape housing 46 shrouded on the top of roller 45, the upper end of housing 46 are connected with the roller 45
Rotary shaft 42 is fixed with, the upper end of rotary shaft 42 is rotatablely connected a fixed block 41 being fixedly mounted on the bottom surface of base 3；Institute
The brake article 43 that one end fixation is connected with housing 46 is stated, the driving lever 44 is connected with brake article 43.The upper end of rotary shaft 42 is with consolidating
Determine block 41 to be rotatablely connected, lower end fixed shell 46, housing 46 connects roller 45, by rotary shaft 42 roller 45 can be realized on ground
The rolling of upper any direction；Driving lever 44 is stirred, brake article 43 can be only pressed in the surface of roller 45, so as to prevent the rolling of roller 45
It is dynamic.
Further, as shown in figure 1, the front end face bottom of the base 3 is provided with foot pedal 14.Using when, user can
Pin is stepped down on foot pedal 14.
Embodiment 2
The present embodiment and the difference of embodiment 1 are that the angle between bus and bottom surface that is shaped as of the base 3 is
52 ° of round platform, as shown in Figure 4.
Other are the same as embodiment 1.
The actual application of above-mentioned Shatter-resistant chair is：
User sits on the seat for a long time, feels fatigue, now can forward or backward lay particular stress on, cushion body 1 occurs
Deflection, the end magnet 1 and gravity post 9 are close to the end magnet 2 11, afterwards, magnetic of the magnet 1 by magnet 2 11
Repulsion, while magnet 3 13 is by the magnetic attraction of magnet 2 11, because magnetic repulsion is more than magnetic attraction so that cushion body 1 can be smoothly
Automatically reset；Then cushion body 1 deflects to the other end, undergoes said process, and so on, the effect of realizing rocking chair, effectively slow
Solution fatigue.In the deflection of cushion body 1, gravity post 9 moves to the end, and magnet 3 13 is acted on by the magnetic of magnet 1,
So that gravity post 9 to the end magnet 1 further towards ensureing effective deflection of cushion body 1, promote the swingable work(of seat
Energy.Also, because the structure of base 3 is to press from both sides between the positive truncated rectangular pyramids or bus and bottom surface that angle is 52 ° between side and bottom surface
Angle is 52 ° of round platform, have comprehensively and height stability, no matter stress to what direction, seat all without toppling over easily.
From the foregoing, the present invention can alleviate the fatigue of user, there is reset effect, and prevent with comprehensive and stable
Function is fallen, the application comfort and security of seat can be greatly improved.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (5)
- A kind of 1. Shatter-resistant chair, it is characterised in that including cushion body (1) and it is fixed on the chair back body (2) at cushion body (1) rear, Characterized in that,Also include the base (3) for support seat cushion body (1) and the universal rolling wheel (4) located at base (3) bottom surface, the base (3) be shaped as the round platform that angle is 52 ° between positive truncated rectangular pyramids that angle between side and bottom surface is 52 ° or bus and bottom surface, The universal rolling wheel (4) has 4~6, and they are uniformly located at base (3) bottom, and the universal rolling wheel (4) includes roller (45) And the driving lever (44) for driving roller (45) to stop operating；It is located at the mounting groove (5) of base (3) upper surface in the base (3) provided with opening, the cushion body (1) is located at mounting groove (5) opening, and gap between cushion body (1) and mounting groove (5) inwall be present, the cushion body (1) is arranged right below sitting The arc (6) that pad (1) front and back are bent upwards and middle part is recessed, arc (6) both sides and cushion body (1) bottom surface it Between be connected with connecting lateral plate (7), is equipped with the inwall of the corresponding connecting lateral plate (7) of the mounting groove (5) through corresponding connecting side The fixation short axle (8) of plate (7), the connecting lateral plate (7) are sleeved on corresponding fixed short axle (8)；The interior table of the arc (6) The length direction gravity post (9) parallel with connecting two pieces of connecting lateral plate (7) directions, and the gravity post (9) are equipped with face Between two pieces of connecting lateral plates (7)；Arc (6) rear and front end is equipped with magnet one (10), the mounting groove (5) inwall of corresponding arc (6) rear and front end is provided with and magnet one (10) polarity identical magnet two (11).
- 2. a kind of Shatter-resistant chair according to claim 1, it is characterised in that fixed short axle (8) top and cushion body (1) bottom surface contacts, and is provided with what is coordinated with fixed short axle (8) gap in the installation place of fixed short axle (8) on the connecting lateral plate (7) Mounting hole (12).
- 3. a kind of Shatter-resistant chair according to claim 1, it is characterised in that the gravity post (9) is provided with and magnet one (10) opposite polarity magnet three (13), and the magnetic attraction between the magnet two (11) and magnet three (13) is less than magnet one (10) magnetic repulsion between magnet two (11).
- 4. a kind of Shatter-resistant chair according to claim 1, it is characterised in that be connected with to shroud on the roller (45) and rolling " n " the shape housing (46) on (45) top is taken turns, housing (46) upper end is fixed with rotary shaft (42), rotary shaft (42) upper end It is rotatablely connected a fixed block (41) being fixedly mounted on base (3) bottom surface；One end is connected with the housing (46) to fix Brake article (43), the driving lever (44) is connected with brake article (43).
- 5. a kind of Shatter-resistant chair according to claim 1, it is characterised in that the front end face bottom of the base (3) is provided with Foot pedal (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096498.6A CN107752506B (en) | 2017-11-09 | 2017-11-09 | Anti-falling seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096498.6A CN107752506B (en) | 2017-11-09 | 2017-11-09 | Anti-falling seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107752506A true CN107752506A (en) | 2018-03-06 |
| CN107752506B CN107752506B (en) | 2020-09-25 |
Family
ID=61272150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096498.6A Expired - Fee Related CN107752506B (en) | 2017-11-09 | 2017-11-09 | Anti-falling seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107752506B (en) |
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| CN204599895U (en) * | 2015-01-20 | 2015-09-02 | 江苏工程职业技术学院 | A kind of multi-functional, alarming safety seat |
| CN204635733U (en) * | 2015-04-10 | 2015-09-16 | 中山涛美远东日用制品有限公司 | A kind of Automatic rocking chair |
| CN204580542U (en) * | 2015-05-11 | 2015-08-26 | 石昌琦 | A kind of Multi-function swinging chair |
| CN105561591A (en) * | 2016-03-07 | 2016-05-11 | 伍尚强 | Automatic swinging device |
| CN205682843U (en) * | 2016-04-08 | 2016-11-16 | 皖南医学院 | A kind of anti-falling type old-man chair |
| KR20170122566A (en) * | 2016-04-27 | 2017-11-06 | 구본근 | A automatic rocking chair |
| CN107185246A (en) * | 2017-04-25 | 2017-09-22 | 内蒙古达尔科技有限公司 | A kind of Multipurpose swing chair |
| CN107319807A (en) * | 2017-08-17 | 2017-11-07 | 浙江安吉忠鑫家具有限公司 | A kind of rocking chair of multidirectional protection |
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|---|---|
| CN107752506B (en) | 2020-09-25 |
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Effective date of registration: 20200902 Address after: No.6, No.1 street, Mingcheng Town, Gaoming District, Foshan City, Guangdong Province Applicant after: Foshan tengjiner household intelligent products Co.,Ltd. Address before: 252000 No. 11 Longshan West Street, Dongchangfu District, Shandong, Liaocheng Applicant before: Zhang Yujing |
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