CN104433388B - A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa - Google Patents
A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa Download PDFInfo
- Publication number
- CN104433388B CN104433388B CN201410700688.4A CN201410700688A CN104433388B CN 104433388 B CN104433388 B CN 104433388B CN 201410700688 A CN201410700688 A CN 201410700688A CN 104433388 B CN104433388 B CN 104433388B
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- Prior art keywords
- ratchet
- edge
- discount
- cramp
- cushion
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- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
- A47C1/026—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by means of peg-and-notch or pawl-and-ratchet mechanism
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
- A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
Abstract
The present invention relates to a kind of angle demodulator, it pulls cramp, head rod and the second connecting rod including what ratchet, ratchet and the coaxial ratchet were hinged, also include one with second connecting rod it is affixed pull discount, the rotation for pulling cramp is driven by the discount of pulling；The cramp of pulling is with the first edge, the second edge and the 3rd edge, and first edge and described pull between discount have gap；Second edge is higher than first edge, and the difference in height being consequently formed is more than first edge and the spacing pulled between discount.The present invention has the advantages that simple in construction, easy to use.
Description
Technical field
The present invention relates to a kind of angle demodulator, belonging to furniture --- chair, sofa, the design of bed and manufacturing technology are led
Domain.
Background technology
There is a kind of lazyboot's sofa in the prior art, the Chinese design patent of such as Application No. 2013305893894 is public
The outward appearance of lazyboot's sofa has been opened, can have been deduced with reference to figure from the use state of the patent, has had one between its backrest and cushion
Angle demodulator, just because of angle demodulator, just allows the backrest angle of lazyboot's sofa to adjust, can be for when simple
Bed or suggestion sofa are used.But because the patent is appearance design, it can not possibly disclose the structure of specific adjuster.
The Chinese utility model patent of Application No. 2008202141362, discloses a kind of adjustor for sofa backrest, and it is wrapped
Include support bar, jump ring, jump ring and lead to heart screw and backrest angle governor motion, the jump ring lead to heart screw provided with external screw thread and with branch
The mesopore that strut external diameter is engaged, the groove communicated with mesopore, the lower end of the support bar are additionally provided with its externally threaded top
Insert jump ring to lead in the mesopore of heart screw, the jump ring is stuck in jump ring and leads in the groove of heart screw and with the hole position of support bar match somebody with somebody
Close, support bar is locked automatically, the other end of support bar is fixedly connected with backrest angle governor motion.Its backrest angle is seen again
Adjuster is spent, the backrest angle adjuster includes stator, torsion spring, deduction piece, gearshift piece and portable plate, and the stator is set
There are two, they are fixedly connected with the other end of support bar, the torsion spring, deduction piece, gearshift piece and portable plate are arranged on two
Between stator, the bottom of the portable plate is fixedly connected with deduction piece by pin and on two stators, living
Dynamic plate, deduction piece and pin can unitary rotation, be provided with tooth in the outer rim of deduction piece, the gearshift piece with pin be arranged on two it is solid
On stator and can be around pin rotation, piece of shifting gears be provided with toothed endoporus, and its tooth form is corresponding with the tooth form of deduction piece, deduction piece
In the endoporus of gearshift piece, the two ends of the torsion spring are separately fixed on stator and gearshift piece.It can be seen that from this structure
Following problem：1st, the principle that portable plate single-stage is rotated comes from torsion spring, and because torsion spring is connected to stator and gearshift piece, then torsion spring is straight
Connect limitation gearshift piece to be allowed to rotate clockwise, so as to make deduction piece indirectly（Interior external tooth coordinates）It can not do and turn clockwise
It is dynamic, and then prevent portable plate indirectly from rotating clockwise, that is to say, that the torsion that torsion spring is produced is used directly to confrontation and come from
The pressure of backrest, causes the technical scheme to there is potential safety hazard；2nd, when deduction piece jack-up shifts gears piece, portable plate is in free shape
State（Specification the last word）, but it is original state to want portable plate state reduction（As shown in its Figure 12）, due to work
Dynamic plate, deduction piece and pin can unitary rotations（Its claim 2）, so necessarily driving deduction piece while portable plate is rotated
Rotate, piece of at this moment shifting gears is touched by the state of jack-up, it is impossible to complete the function of specification record：Portable plate can come back to just
Beginning state；Unless the unitary rotation of portable plate, deduction piece and pin is unidirectional, then at this moment portable plate can be returned to initially really
State, but now deduction plate withstand on there cannot move, deduction plate can not return to original state, if wanting deduction plate after work
Dynamic plate is completed after resetting, and is also realized and is resetted, it is necessary to which, by third-party instrument, it very likely exists such as key, and the key
Third party's instrument as spoon is not referred in the technical scheme, but leaves clue, as shown in its Fig. 6, in deduction plate
The heart is with a square hole, in that patent, though the purposes that clue had not referred to the square hole is left, people in the art
Member can not complete the reset of portable plate and/or deduction plate after reading this specification, and backrest regulation can not be realized by causing
Basic function（Adjust angle-reset-regulation angle-reset）；Cause those skilled in the art can not implement the technical scheme.
The present inventor is intended to propose a kind of new angle demodulator, and to assign its energy after it have studied the technical scheme
Enough re-adjustments, regulation is simple and convenient can to accomplish that regulation settles at one go and do not need the intervention of third party's instrument, while will also nothing
Potential safety hazard.
The content of the invention
The invention solves the problems that above-mentioned technical problem, so as to provide a kind of angle demodulator, it has being capable of re-adjustments, tune
Section is simple and convenient can to accomplish that regulation settles at one go and do not need the intervention of third party's instrument, while also to have without potential safety hazard
Feature.
Technical proposal that the invention solves the above-mentioned problems is as follows：
A kind of angle demodulator, including ratchet, ratchet, with the coaxial ratchet be hinged pull cramp, head rod and
Second connecting rod, in addition to one with second connecting rod it is affixed pull discount, the rotation for pulling cramp pulls discount by described
Driving；The cramp of pulling first edge and described pulls tool between discount with the first edge, the second edge and the 3rd edge
There is gap；Second edge is higher than first edge, and the difference in height being consequently formed is pulled more than first edge with described
Spacing between discount, so that in rotation to second edge push and block, second edge can occur for the discount of pulling
The tooth wheel rim of also less than described ratchet so that the ratchet is matched in the rotation process of ratchet, and not with it is described
Second edge is touched；3rd edge is higher than second edge, so as to rotate in the cramp of pulling and act on institute
When stating ratchet, the ratchet is made to discharge the ratchet, so as to release the one-directional rotation that the ratchet limits the ratchet, simultaneously
Enable free rotation.
In above-mentioned technical proposal of the present invention, one-directional rotation is realized using the classical combination of click, what ratchet was produced
Active force be used for resist the pressure from backrest, this cause the present invention there is Stability Analysis of Structures, it is safe and reliable.
In above-mentioned technical proposal of the present invention, when pawl wheel to the limit when, pull discount can push away rotation described in pull cramp（Pull
Discount acts on the intersection of the first edge and the 3rd edge）, make ratchet by jack-up, now release the ratchet and limit the spine
The one-directional rotation of wheel, enables free rotation, now achieves that the reset of ratchet, as the reset for pulling cramp, then still
Initiated by the discount of pulling, specially pull discount as the reset response of ratchet is in the first edge and the second edge of pulling cramp
Intersection（As background technology is sayed, cramp jack-up ratchet is now pulled, cramp is pulled and now cannot moves, and pulls discount with ratchet
The intersection for resetting and circling round to the first edge and the second edge）, pull discount and continue to follow the reseting procedure of ratchet, and by institute
State and pull cramp and broken away from from the situation cannot moved, it equivalent to said in the introduction by third party's instrument, and
And have relative to third party's instrument significant progressive.First, the process is that a step is completed, and operation is also very simple,
Just can synchronously it be realized during pulling ratchet, and this pulls the part that discount is the present invention, relative to third party's instrument
For never there is the possibility lost；Secondly, in background technology, when the intervention of third party's instrument by deduction plate from cannot moving
Condition in when breaking away from, it can be inevitably generated a great moment screen resilience, and the power can act on the by transmission
Tripartite's instrument, may be allowed to occur drastically to rotate in moment and give people to damage, and in the present invention, due to equivalent to the 3rd
The discount of pulling of square instrument fixed, and pulls the inside that discount is provided in the present invention, therefore the power is even if big again
Injury will not be produced to people, say backward, be to act on to pull cramp as the reaction force of generation of the power after transmission
, it is described to pull the inside that cramp is similarly provided at the present invention, and be hinged and can rotate freely due to pulling cramp, therefore finally
The power is that, by weakening and being shed by pulling the rotation of cramp after transmission, it can not possibly produce injury to people.
As the preferred of above-mentioned technical proposal, in addition to a torsion spring, the torsion spring is coaxially disposed with the ratchet, and is acted on
In the ratchet, it is allowed to produce the power for being close to the ratchet all the time.
The role of torsion spring in above-mentioned technical proposal of the present invention is different from the torsion spring of background technology, and it, which is only served, makes institute
The effect for being close to the ratchet is stated, so that the one-directional rotation for strengthening the click coordinates.
As the preferred of above-mentioned technical proposal, the head rod is internally provided with pad, for the torsion spring
One torque arm produces spacing；Another torque arm of the torsion spring is fixed on the ratchet.
Above-mentioned technical proposal of the present invention merely provides a kind of torsion spring set-up mode of relatively optimization.Those skilled in the art are complete
Other torsion spring set-up modes can be associated entirely.
As the preferred of above-mentioned technical proposal, the ratchet and the second connecting rod are affixed.
It is arranged such, as long as above-mentioned repertoire can just be realized by directly rotating the second connecting rod.In fact, this area
Technical staff is fully contemplated that sets a special adjusting rod to drive the ratchet for the present invention, and by the second connecting rod
It is used as other purposes, such as only as the support of Sofa cushion, but such technical scheme is substantially to become to split relative to this programme
Scheme.
As the preferred of above-mentioned technical proposal, there is a flex point on the 3rd edge, the flex point is entirely to pull cramp
Height maxima；So that the 3rd edge is when being threaded through the ratchet by way of the flex point in the presence of pulling discount,
The torsion spring is made to produce acrotorque.
It is that the 3rd edge carried out into deburring processing so to do on surface, and be actually it is considered as desirable by the inventor to laborsaving and
Buffer two angles.Say laborsaving first, usual flex point whereabouts must be the most long torque arm for pulling cramp, now set flex point to be equal to
It is that maximum resistance moves forward, and is just now maximum torque arm part, therefore resistance is not a problem greatly yet, it is total to be better than maximum resistance
After move or keep constant, this have the effect that：For example, if the 3rd edge is used in common circular arc, rotation process
It is probably 100N, 110N, 110N, 110N that resistance, which is changed over time, due to rotational angle, and torque arm length is drastically reduced,
Therefore the power acted in torque arm is in general needed to sharply increase, it may be possible to 10N, 15N, 80N, 60N；If using
It is probably 180N, 200N, 60N, 50N that resistance, which is changed over time, in the 3rd edge of the present invention, rotation process, due to rotational angle
The reason for, torque arm length is drastically reduced, therefore in general need the power acted in torque arm be on the contrary uniform 30N,
20N、20N、20N.Here it is the setting of foregoing flex point makes the labor-saving effect that resistance moves forward.Next says buffering, before say
The problem of to moment screen resilience, it would be obvious that, very big moment screen resilience can be produced using the common circular arc later stage, though
So big moment screen resilience is also less problematic for the present invention again, but this power effect be after all it is negative, certainly
It can be reduced to what degree should just be reduced to what degree, using the 3rd edge with flex point of the present invention, maximum can be made
Resistance moves forward, then directly result in the situation of later stage long distance slight drag, and now rotates and also continuing, and people continues to pulling button
The effect of the indirect applying power of piece, and long distance slight drag and moment screen resilience of the power that this applies with the foregoing later stage are
Balance（Because the setting moved forward by maximum resistance is so that resistance is averaged）, moment screen resilience during regulation just by
Disappear, and power and little, even up to following degree：Special notice, people's almost this imperceptible knock-on are not applied
The presence of power.It is indicated above that this moment screen resilience is prevented in invisible well.
It is also another object of the present invention to provide a kind of lazyboot's sofa bracket, it includes cushion frame and back rest, the seat
It is hinged between poppet and the back rest by foregoing angle demodulator.
It is also another object of the present invention to provide lazyboot's sofa, its above-mentioned support, in addition to cushion, by the cushion frame bag
Cover；Back cushion, the back rest is coated；Leg pad, the inclusion enclave for being sewed up with the cushion or passing through flexible material with the cushion
Integrally connected；Headrest bolster, the inclusion enclave integrally connected for being sewed up with the back cushion or passing through flexible material with the back cushion.
In summary, the invention has the advantages that：
1st, the present invention is simple in construction, easy to use；
2nd, the present invention has the advantages that no potential safety hazard；
3rd, the present invention also has and moment screen resilience can prevented in invisible, or even allows the imperceptible moment screen resilience of people
The advantage of presence.
Brief description of the drawings
Fig. 1 is the stereochemical structure sectional view of angle demodulator of the present invention；
Fig. 2 is the front sectional view of angle demodulator of the present invention；
Fig. 3 is the structural representation that the present invention pulls cramp；
Fig. 4 is the structural representation of lazyboot's sofa bracket of the present invention；
Fig. 5 is that the use state of lazyboot's sofa of the present invention refers to Fig. 1；
Fig. 6 is that the use state of lazyboot's sofa of the present invention refers to Fig. 2；
In figure, 1- ratchets, 2- ratchets, 3- pulls cramp, and 4- head rods, the connecting rods of 5- second, 6- pulls discount, and 7- is turned round
Spring, 8- pad, the edges of 31- first, the edges of 32- second, the edges of 33- the 3rd, 34- flex points；
10 '-cushion frame, 20 '-back rest, 10- cushions, 20- back cushions, 50- headrest bolsters, 60- leg pads.
Embodiment
The present invention is further detailed below in conjunction with accompanying drawing.
Present embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member's any change made after the specification of the present invention has been read, as long as in the range of claims, all will be by
To the protection of Patent Law.
As Figure 1-3, a kind of angle demodulator, including ratchet 1, ratchet 2, with the ratchet 1 be coaxially hinged pull button
Piece 3, head rod 4, the second connecting rod 5, with second connecting rod 5 it is affixed pull discount 6, the rotation for pulling cramp 3
Driven by the discount 6 of pulling；The cramp 3 of pulling is with the first edge 31, the second edge 32 and the 3rd edge 33, first edge
Portion 31 and described pull have gap between discount 6；Second edge 32 is higher than first edge 31, the height being consequently formed
Difference is more than first edge 31 and the spacing pulled between discount 6, so that the discount 6 of pulling can be to described in rotation
Push and block occur for the second edge 32, and second edge 32 is also less than the tooth wheel rim of the ratchet 1, so that the ratchet 2 exists
It is matched in the rotation process of ratchet 1, and do not touched with second edge 32；3rd edge 33 is higher than described
Second edge 32, so as to be rotated and when acting on the ratchet 2 in the cramp 3 of pulling, makes the ratchet 2 release the ratchet 1
Put, so that releasing the ratchet 2 limits the one-directional rotation of the ratchet 1, while enabling free rotation.Also include a torsion spring
7, the torsion spring 7 is coaxially disposed with the ratchet 2, and acts on the ratchet 2, is allowed to produce and is close to the ratchet 1 all the time
Power.The head rod 4 is internally provided with pad 8, is produced for the torque arm to the torsion spring 7 spacing；The torsion spring 7
Another torque arm is fixed on the ratchet 2.The ratchet 1 and the second connecting rod 5 are affixed.There is a flex point on 3rd edge 33
34, the flex point 34 is entirely to pull the height maxima of cramp 3；So that the effect of discount 6 is being pulled in the 3rd edge 33
Under when being threaded through the ratchet 2 by way of the flex point, make the torsion spring 7 produce acrotorque.
As shown in figure 4, a kind of lazyboot's sofa bracket, including cushion frame 10 ' and back rest 20 ', the cushion frame 10 ' and institute
State and be hinged by above-mentioned angle demodulator between back rest 20 '.
As seen in figs. 5-6, a kind of lazyboot's sofa, above-mentioned sofa bracket support；Also include cushion 10, by the cushion frame
10 ' claddings；Back cushion 20, the back rest 20 ' is coated；Leg pad 60, sews up with the cushion 10 or passes through with the cushion 10
The inclusion enclave integrally connected of flexible material；Headrest bolster 50, is sewed up with the back cushion 20 or with the back cushion 20 by flexible material
Inclusion enclave integrally connected.The inclusion enclave is cloth or synthetic leather.
Claims (4)
1. a kind of angle demodulator, including ratchet（1）, ratchet（2）And the ratchet（1）What is be coaxially hinged pulls cramp（3）,
One connecting rod（4）With the second connecting rod（5）, it is characterised in that：Also include one and second connecting rod（5）Affixed pulls discount
（6）, it is described to pull cramp（3）Rotation pull discount by described（6）Driving；It is described to pull cramp（3）With the first edge（31）, second
Edge（32）With the 3rd edge（33）, first edge（31）Discount is pulled with described（6）Between have gap；Second edge
Portion（32）Higher than first edge（31）, the difference in height being consequently formed is more than first edge（31）Discount is pulled with described
（6）Between spacing so that described pull discount（6）Can be to second edge when rotating（32）Generation push and block, described
Two edges（32）Also less than described ratchet（1）Tooth wheel rim so that the ratchet（2）In ratchet（1）Rotation process in
It is matched, and not with second edge（32）Touch；3rd edge（33）Higher than second edge（32）,
So as to pull cramp described（3）Rotate and act on the ratchet（2）When, make the ratchet（2）By the ratchet（1）Release,
So as to release the ratchet（2）Limit the ratchet（1）One-directional rotation, while enabling free rotation；
Also include a torsion spring（7）, the torsion spring（7）With the ratchet（2）It is coaxially disposed, and acts on the ratchet（2）, it is allowed to
Generation is close to the ratchet all the time（1）Power；
The head rod（4）It is internally provided with pad（8）, for the torsion spring（7）A torque arm produce it is spacing；It is described
Torsion spring（7）Another torque arm be fixed on the ratchet（2）；
The ratchet（1）With the second connecting rod（5）It is affixed；
3rd edge（33）It is upper that there is a flex point（34）, the flex point（34）Entirely to pull cramp（3）Height maxima；
So that the 3rd edge（33）Pulling discount（6）In the presence of be threaded through the ratchet（2）During by way of the flex point, institute is made
State torsion spring（7）Produce acrotorque.
2. a kind of lazyboot's sofa bracket, including cushion frame（10’）And back rest（20’）, it is characterised in that：The cushion frame
（10’）With the back rest（20’）Between be hinged by the angle demodulator described in claim 1.
3. a kind of lazyboot's sofa, it is characterised in that：Including the support described in claim 2, in addition to cushion（10）, sat described
Poppet（10’）Cladding；Back cushion（20）, by the back rest（20’）Cladding；Leg pad（60）, with the cushion（10）Sew up or with
The cushion（10）Pass through the inclusion enclave integrally connected of flexible material；Headrest bolster（50）, with the back cushion（20）Sew up or with institute
State back cushion（20）Pass through the inclusion enclave integrally connected of flexible material.
4. a kind of lazyboot's sofa according to claim 3, it is characterised in that：The inclusion enclave is cloth or synthesis skin
Leather.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700688.4A CN104433388B (en) | 2014-11-28 | 2014-11-28 | A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700688.4A CN104433388B (en) | 2014-11-28 | 2014-11-28 | A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa |
Publications (2)
| Publication Number | Publication Date |
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| CN104433388A CN104433388A (en) | 2015-03-25 |
| CN104433388B true CN104433388B (en) | 2017-09-22 |
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| CN201410700688.4A Active CN104433388B (en) | 2014-11-28 | 2014-11-28 | A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106136675A (en) * | 2016-06-29 | 2016-11-23 | 李绪翠 | A kind of domestic sofa |
| CN106377111A (en) * | 2016-12-01 | 2017-02-08 | 应海珍 | Sofa folding device and sofa |
| CN108323990A (en) * | 2018-02-28 | 2018-07-27 | 佛山市迪赛纳科技有限公司 | Angular adjustment locking device and the foot pedal for including angular adjustment locking device |
| CN112853718B (en) * | 2021-01-06 | 2022-12-16 | 南通斐尔机械有限公司 | Dismounting type long-channel batting absorption auxiliary device for textile machinery |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045516A (en) * | 1989-11-12 | 1990-09-26 | 张云辉 | Seat, back cushion interlock, changeable inclination structure of chair |
| JP3646422B2 (en) * | 1996-08-29 | 2005-05-11 | アイシン精機株式会社 | Seat reclining device |
| JP2007289324A (en) * | 2006-04-24 | 2007-11-08 | Urban Tsusho:Kk | Sofa |
| CN201847207U (en) * | 2010-04-06 | 2011-06-01 | 陈震宇 | Multi-functional fishing chair |
| CN102144857B (en) * | 2011-02-24 | 2012-11-21 | 湖北中航精机科技股份有限公司 | Seat and backrest angle adjusting device thereof |
| CN104161405A (en) * | 2014-06-27 | 2014-11-26 | 蒋孝年 | A seat back angle adjusting device |
| CN104223816B (en) * | 2014-09-18 | 2016-12-07 | 浙江凯帝家具有限公司 | A kind of folding mat |
| CN204292602U (en) * | 2014-11-28 | 2015-04-29 | 李明海 | A kind of angle demodulator, lazyboot's sofa bracket and lazyboot's sofa |
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Effective date of registration: 20190603 Address after: 236115 Liu Laozhuang Village, South of Sanhu Road, Sanhe Town, Yingzhou District, Fuyang City, Anhui Province Patentee after: Fuyang Pinshang Furniture Co., Ltd. Address before: 313300 Anji County, Huzhou City, Zhejiang Province Meixi Street Ancestral Lane 008 Patentee before: Li Minghai |