CN104814612B - A kind of seat and its functional frame - Google Patents
A kind of seat and its functional frame Download PDFInfo
- Publication number
- CN104814612B CN104814612B CN201510131032.XA CN201510131032A CN104814612B CN 104814612 B CN104814612 B CN 104814612B CN 201510131032 A CN201510131032 A CN 201510131032A CN 104814612 B CN104814612 B CN 104814612B
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- connector
- hinged
- link
- pin joint
- cushion
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Abstract
The invention discloses a kind of seat and its functional frame, including fixed mount, leg-placing plate link, connector A, connector B, connector C, connector D, connector E, cushion link, backrest link, connector F, connector G, connector H, connector I, connector J, connector K, connector L, connector M, connector N, connector O, connector P, the connector Q being arranged in pairs at left and right sides of fixed mount；Drive device makes connecting rod A drive mounting to travel forward, backrest link is away from metope, toe board link moves upwards, when connector M and connector L reach limit point, connector K, connector M and connector L stop travelling forward, other connectors and connecting rod can still travel forward, and toe board link reaches horizontal level, and backrest link moves to proper angle.The technical program optimizes motion, reduces stroke distribution, shortens motor range, reduces weight and cost.
Description
Technical field
The invention belongs to field of furniture, more particularly to the seat of a kind of chaise longue, sofa etc., more particularly to wherein use
Functional frame.
Background technology
Traditionally, the furniture of chaise longue, sofa etc. can be provided with actuating mechanism --- functional frame, install in the functional frame
The chair frame of the compositions such as backrest, cushion and leg-placing plate, functional frame are used for the chair frame of realization action and motionless base group
Interconnection between part.Functional frame is typically the combination of various mechanical fasteners, and the mechanical fastener is operable to
Various comfortable performances, such as the independent motion that couches of seat assemblies be provided, and tensile leg rest assembly actuating and
Related chair frame is tumbled.Although many conventional chaise longues can be operated satisfactorily, furnitur manufacturers are still not
Disconnected pursue develops improved chair frame and functional frame, to reduce the complexity of system, the stationarity of raising operation and to multiply
The comfortableness of seated user.In addition, constantly it is expected to develop improved manufacturing technology and mounting technology, this will cause the reduction of cost simultaneously
Promote the raising of efficiency and the improvement of product quality simultaneously.
Specifically, the functional frame assembling of market seat is cumbersome at present, and rod member is excessive, heavier-weight, is also unfavorable for giving birth to
Production transport, and ergonomic demands are simply single.
The content of the invention
In order to solve above-mentioned technical problem, an object of the present invention is to provide a kind of functional frame of seat, to machinery
Bar linkage structure is improved, to optimize its motion.
The second object of the present invention is to provide a kind of seat, including above-mentioned functional frame.
To achieve the above object, present invention employs following technical scheme：
A kind of functional frame of seat, including fixed mount, it is separately installed with what left and right was arranged in pairs at left and right sides of fixed mount
Leg-placing plate link, connector A, connector B, connector C, connector D, connector E, cushion link, backrest link, company
Fitting F, connector G, connector H, connector I, connector J, connector K, connector L, connector M, connector N, connector
O, connector P, connector Q；One end and connector A one end of the leg-placing plate link are hinged, the connector A other end with
Connector E one end is hinged, and the stage casing of connector the E other end and cushion link is hinged, the other end of leg-placing plate link
It is hinged with connector B one end, one end of connector the B other end and connector D is hinged, connector the D other end and cushion
One end of link is hinged, and the other end and the backrest link of cushion link are hinged, and connector A and connector D intersect
And be hinged in crossover location, connector C is hinged with connector A and connector B simultaneously, one end and the connector E of the connector F
Stage casing be hinged, one end of connector the F other end and connector G is hinged, the connector G other end and connector H one end
Be hinged, one end of connector the H other end and connector I is hinged, and one end of connector the I other end and connector J is hinged, even
The fitting J other end is hinged with backrest link, and described connector I stage casing and connector K stage casing are hinged, the connection
Part K one end and connector L one end are hinged, and the connector L other end and the rear portion of fixed mount are hinged, and connector K's is another
One end with connector M is held to be hinged, the connector M other end and the front portion of fixed mount are hinged, the connector P and connector Q
Respective both ends be respectively hinged on connector K and cushion link, and the both sides of connector L and fixed mount pin joint with
And connector M and fixed mount pin joint both sides are respectively equipped with the banking pin A being fixed on fixed mount, are provided with connector K
To limit connector I and connector P strokes banking pin B；Described connector N one end is hinged in connector M
One end of Duan Shang, connector the N other end and connector O is hinged, and the connector O other end is fixed on connecting rod A stage casing,
Connecting rod G is fixed on connecting rod A one end, and the two connector G and connector O that left and right is oppositely arranged pass through connecting rod A
Connection is synchronized with the movement, and a drive device drive connection bar A swings are so as to driving whole functional frame to move.
In this programme, there is provided the drive device of power only has one, the above-mentioned each connector of drive device and connecting rod, band
Dynamic backrest link, cushion link and the motion of leg-placing plate link, specifically, start drive device, connecting rod A drives
Mounting travels forward, backrest link away from metope, meanwhile, toe board link moves upwards, connector M and connector L by
When banking pin A setting reaches limit point, connector K, connector M and connector L stop travelling forward；Now except even
Extension bar K, connector M and connector L other connectors and connecting rod can still travel forward, toe board link and backrest
Link moves simultaneously, and toe board link reaches horizontal level, and backrest link moves to proper angle.
Preferably, at least two connection sheets have been fixedly connected with it in the side of two cushion links.
Preferably, the connector C and connector A pin joint be located at being hinged for connector A and leg-placing plate link
Between point and connector A and connector D pin joint；Connector C and connector B pin joint is located at connector B and leg-placing plate
Between the pin joint and connector B and connector D pin joint of link.
Preferably, described connector C one end is formed with crimp.
Preferably, the pin joint of the connector P and cushion link is located at backrest link and cushion link
Between pin joint and backrest link and connector Q pin joint；Connector P and connector K pin joint be located at connector K and
Between connector I pin joint and connector K and connector Q pin joint.
Preferably, the pin joint of the connector Q and cushion link be located at being hinged for cushion link and connector E
Between point and cushion link and connector P pin joint；Connector Q is located at connector K with being connected with connector K pin joint
Between part M pin joint and connector K and connector P pin joint.
Preferably, two connector L that the left and right is oppositely arranged are synchronized with the movement by connecting rod B connections.
Preferably, two connector P that the left and right is oppositely arranged are synchronized with the movement by connecting rod C connections.
Preferably, two connector M that the left and right is oppositely arranged are synchronized with the movement by connecting rod D connections.
Preferably, two connector N that the left and right is oppositely arranged are synchronized with the movement by connecting rod E connections.
Above-mentioned drive device can be can any actuating unit that directly or indirectly driving function frame moves forward and backward, it is all
Such as cylinder, motor.Preferably, described drive device is directly pushes away motor, the drive device is to be fixed on before and after fixed mount
The connecting rod F at both ends is movement locus, is fixed with two fixture A in drive device or so relative position, fixture A is with being connected
Part R one end is hinged, and the connector R other end is hinged with the fixture B being fixed on connecting rod A.
Preferably, extension spring is installed between the connector K and cushion link.So functional frame is contributed to reset,
Reduce electric pushrod load.
Preferably, banking pin C is further fixed on connector K to limit connector Q movement locus.
Functional frame is so caused to keep stable in whole motion process.
Preferably, banking pin D is further fixed on connector A to limit connector D movement locus.
Functional frame is so caused to keep stable in whole motion process.
A kind of seat, including functional frame as described above, on two leg-placing plate links that described left and right is oppositely arranged
Leg-placing plate is installed, the connection sheet upper end installation cushion on two cushion links being oppositely arranged in described left and right is described
The upper end installation backrest for two backrest links that left and right is oppositely arranged.
Technical scheme of the present invention as a result of more than, is improved to mechanical linkage structure, reduces answering for system
Polygamy, optimize its motion, reduce stroke distribution, shorten motor range and reduce weight and cost.
Specifically, the present invention changes thrust point while functional frame original function is kept, and optimizes motion,
In combination with the research of ergonomics, increase part overlapped motion, i.e. toe board and backrest can be realized while moved, and reduce row
Journey is distributed, and shortens motor range, reduces weight and cost.
Brief description of the drawings
Fig. 1 is the action schematic diagram (original state) of the functional frame of embodiment 1；
Fig. 2 is the action schematic diagram (intermediateness) of the functional frame of embodiment 1；
Fig. 3 is the action schematic diagram (intermediateness) of Fig. 2 another angle；
Fig. 4 is the action schematic diagram (limiting condition) of the functional frame of embodiment 1；
Fig. 5 is the action schematic diagram (limiting condition) of Fig. 4 another angle；
Fig. 6 is the action schematic diagram (limiting condition) of Fig. 5 another side.
Embodiment
The embodiment of the present invention is made a detailed explanation below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of functional frame of seat as shown in figs 1 to 6, including fixed mount 1, the left and right sides of fixed mount 1 are installed respectively
There are leg-placing plate link 2, connector A3, connector B4, connector C5, connector D6, connector E7, the seat that left and right is arranged in pairs
Pad link 8, backrest link 9, connector F10, connector G11, connector H12, connector I13, connector J14, connection
Part K15, connector L16, connector M17, connector N18, connector O19, connector P21, connector Q22；The leg-placing plate
One end of link 2 and connector A3 one end are hinged, and one end of connector the A3 other end and connector E7 is hinged, connector
The stage casing of the E7 other end and cushion link 8 is hinged, and one end of the other end and connector B4 of leg-placing plate link 2 is hinged,
One end of the connector B4 other end and connector D6 is hinged, and one end of connector the D6 other end and cushion link 8 is hinged,
The other end of cushion link 8 is be hinged with backrest link 9, and connector A3 and connector D6 intersect and cut with scissors in crossover location
Connect, connector C5 is hinged with connector A3 and connector B4 simultaneously, and the connector C5 and connector A3 pin joint is positioned at company
Between fitting A3 and the pin joint and connector A3 and connector D6 pin joint of leg-placing plate link 2, the one of connector C5
End is jammed formed with crimp 39 to prevent the sofa cloth being covered on sofa, while can also carry shank
Weight, play a part of support；Connector C5 and connector B4 pin joint is located at connector B4 and leg-placing plate link 2 hinge
Between contact and connector B4 and connector D6 pin joint；One end and connector E7 stage casing of the connector F10 is hinged,
One end of the connector F10 other end and connector G11 is hinged, and the connector G11 other end is cut with scissors with connector H12 one end
Connect, one end of connector the H12 other end and connector I13 is hinged, the connector I13 other end and connector J14 one end
Be hinged, the connector J14 other end and backrest link 9 is be hinged, in described connector I13 stage casing and connector K15
Section is be hinged, and one end and connector L16 one end of the connector K15 are hinged, connector the L16 other end and fixed mount 1
Rear portion is hinged, and one end of connector the K15 other end and connector M17 is hinged, connector the M17 other end and fixed mount 1
Front portion is be hinged, and the respective both ends of the connector P21 and connector Q22 are respectively hinged at connector K15 and cushion link 8
On, extension spring (not shown) is installed between connector K15 and cushion link 8, and it is be hinged in connector L16 and fixed mount 1
The both sides of point and connector M17 and the pin joint of fixed mount 1 both sides are respectively equipped with the banking pin A32 being fixed on fixed mount 1,
It is provided with connector K15 to limit the banking pin B33 of connector I13 and connector P21 stroke, similarly, even
Banking pin C36 is fixed with fitting K15 to limit connector Q22 movement locus；It is further fixed on connector A3 spacing
D37 is followed closely to limit connector D6 movement locus.
Described connector N18 one end is hinged on connector M17 stage casing, the connector N18 other end and connection
Part O19 one end is hinged, and the connector O19 other end is fixed on connecting rod A20 stage casing, and connecting rod G11 is fixed on connection
On bar A20 one end, two connector G11 and connector O19 that left and right is oppositely arranged synchronously are transported by connecting rod A20 connections
Dynamic, a drive device drive connection bar A20 swings are so as to drive whole functional frame to move, drive device 27 described here
Directly to push away motor, the drive device 27 fills using the connecting rod F30 for being fixed on the rear and front end of fixed mount 1 as movement locus in driving
Put 27 or so and be hinged with two connector R28 relatively, be hinged with the two connector R28 other end and be fixed on connecting rod
Two stators 31 on A20, so also extend connector R28 scope of activities.
Specifically, wherein connector P21 is located at backrest link 9 with the pin joint of cushion link 8 and is connected with cushion
Between the pin joint and backrest link 9 and connector Q22 pin joint of frame 8；Connector P21 and connector K15 pin joint
Between connector K15 and connector I13 pin joint and connector K15 and connector Q22 pin joint, connector Q22
It is located at the pin joint and cushion link 8 and connector of cushion link 8 and connector E7 with the pin joint of cushion link 8
Between P21 pin joint；Connector Q22 and connector K15 pin joint is located at connector K15 and connector M17 pin joint
Between connector K15 and connector P21 pin joint.
In the present embodiment, two connector L16 that the left and right is oppositely arranged are synchronized with the movement by connecting rod B connections；
Two connector P21 that the left and right is oppositely arranged are synchronized with the movement by connecting rod C connections；Described or so two be oppositely arranged
Connector M17 is synchronized with the movement by connecting rod D connections；Two connector N18 that the left and right is oppositely arranged are connected by connecting rod E
Connect and be synchronized with the movement, wherein, connecting rod B, connecting rod C, connecting rod D and connecting rod E are not shown；Also, in two described seats
The side of pad link 8 has been fixedly connected with two connection sheets 38.
A kind of seat, including functional frame as described above, on two leg-placing plate links 2 that described left and right is oppositely arranged
Leg-placing plate is installed, the upper end of the connection sheet 38 installation cushion on two cushion links 8 being oppositely arranged in described left and right is described
Two backrest links 9 being oppositely arranged of left and right upper end installation backrest.
Specific motion process, two steps can be divided into explain：
The first step：Start it is straight pushes away motor, connecting rod A3 drives mounting to travel forward, and backrest link 9 is away from metope, together
When, toe board link 2 moves upwards, and connector M17 and connector L16 reach limit point due to banking pin A32 setting
When, connector K15, connector M17 and connector L16 stop travelling forward；
Second step, now except connecting rod K15, connector M17 and connector L16 other connectors and connecting rod still
It can travel forward, toe board link 2 and backrest link 9 move simultaneously, and toe board link 2 reaches horizontal level, leans on
Back of the body link 9 moves to proper angle.
In addition, the order returned is by aiding in extension spring and mechanical structure backrest link 9 is first moved return, then putting
Sole link 2, each connector and each connecting rod return again to last all reset and reach original state.
It is emphasized that：It the above is only presently preferred embodiments of the present invention, not the present invention made any formal
Limitation, every any simple modification, equivalent change and modification for being made to above example of technical spirit according to the present invention,
In the range of still falling within technical solution of the present invention.
Claims (15)
1. a kind of functional frame of seat, it is characterised in that including fixed mount (1), fixed mount is separately installed with left and right sides of (1)
Leg-placing plate link (2) that left and right is arranged in pairs, connector A (3), connector B (4), connector C (5), connector D (6), even
Fitting E (7), cushion link (8), backrest link (9), connector F (10), connector G (11), connector H (12), connection
Part I (13), connector J (14), connector K (15), connector L (16), connector M (17), connector N (18), connector O
(19), connector P (21), connector Q (22)；One end and connector A (3) one end of the leg-placing plate link (2) are hinged,
One end of connector A (3) other end and connector E (7) is hinged, connector E (7) other end and cushion link (8)
Stage casing is hinged, and one end of the other end and connector B (4) of leg-placing plate link (2) is hinged, connector B (4) other end and company
Fitting D (6) one end is hinged, and one end of connector D (6) other end and cushion link (8) is hinged, cushion link (8)
The other end and backrest link (9) it is be hinged, connector A (3) and connector D (6) intersect and are hinged in crossover location, company
Fitting C (5) while be hinged with connector A (3) and connector B (4), one end of the connector F (10) is with connector E's (7)
Stage casing is hinged, and one end of connector F (10) other end and connector G (11) is hinged, connector G (11) other end and connection
Part H (12) one end is hinged, and one end of connector H (12) other end and connector I (13) is hinged, and connector I's (13) is another
One end of one end and connector J (14) is hinged, and connector J (14) other end and backrest link (9) are hinged, described connection
Part I (13) stage casing and connector K (15) stage casing are hinged, one end of the connector K (15) and connector L (16) one end
Be hinged, the rear portion of connector L (16) other end and fixed mount (1) is hinged, connector K (15) other end and connector M
(17) one end is hinged, and the front portion of connector M (17) other end and fixed mount (1) is hinged, the connector P (21) and connection
Part Q (22) respective both ends are respectively hinged on connector K (15) and cushion link (8), and in connector L (16) and admittedly
Determine the both sides of frame (1) pin joint and the both sides of connector M (17) and fixed mount (1) pin joint are respectively equipped with and are fixed on fixed mount
(1) the banking pin A (32) on, it is provided with connector K (15) to limit connector I (13) and connector P (21) stroke
Banking pin B (33)；Described connector N (18) one end is hinged on the stage casing of connector M (17), connector N's (18)
The other end and the one end of connector O (19) are hinged, and connector O (19) other end is fixed on the stage casing of connecting rod A (20), even
Fitting G (11) is fixed on one end of connecting rod A (20), the two connector G (11) and connector O that left and right is oppositely arranged
(19) it is synchronized with the movement by connecting rod A (20) connections, drive device drive connection bar A (20) swings are whole so as to drive
Functional frame is moved.
2. the functional frame of a kind of seat according to claim 1, it is characterised in that the one of two cushion links (8)
Side has been fixedly connected with least two connection sheets (38).
3. the functional frame of a kind of seat according to claim 1, it is characterised in that the connector C (5) and connector A
(3) pin joint is located at connector A (3) and leg-placing plate link (2) pin joint and connector A (3) and connector D (6)
Between pin joint；Connector C (5) and connector B (4) pin joint is located at connector B (4) and leg-placing plate link (2) hinge
Between contact and connector B (4) and connector D (6) pin joint.
A kind of 4. functional frame of seat according to claim 1, it is characterised in that described connector C (5) one end shape
Into there is crimp (39).
5. the functional frame of a kind of seat according to claim 1, it is characterised in that the connector P (21) connects with cushion
Connect frame (8) pin joint be located at backrest link (9) and cushion link (8) pin joint and cushion link (8) with being connected
Between part Q (22) pin joint；Connector P (21) and connector K (15) pin joint is located at connector K (15) and connector I
(13) between pin joint and connector K (15) and connector Q (22) pin joint.
6. the functional frame of a kind of seat according to claim 1, it is characterised in that the connector Q (22) connects with cushion
The pin joint for connecing frame (8) is located at the pin joint and cushion link (8) and connector P of cushion link (8) and connector E (7)
(21) between pin joint；Connector Q (22) and connector K (15) pin joint is located at connector K (15) and connector M (17)
Pin joint and connector K (15) and connector P (21) pin joint between.
A kind of 7. functional frame of seat according to claim 1, it is characterised in that described or so two be arranged in pairs
Connector L (16) is synchronized with the movement by connecting rod B connections.
A kind of 8. functional frame of seat according to claim 1, it is characterised in that described or so two be arranged in pairs
Connector P (21) is synchronized with the movement by connecting rod C connections.
A kind of 9. functional frame of seat according to claim 1, it is characterised in that described or so two be arranged in pairs
Connector M (17) is synchronized with the movement by connecting rod D connections.
A kind of 10. functional frame of seat according to claim 1, it is characterised in that described or so two be arranged in pairs
Connector N (18) is synchronized with the movement by connecting rod E connections.
11. the functional frame of a kind of seat according to claim 1, it is characterised in that described drive device (27) is straight
Motor is pushed away, the drive device (27) is driving to be fixed on the connecting rod F (30) of fixed mount (1) rear and front end as movement locus
Device (27) left and right relative position is fixed with two fixture A (31), and fixture A (31) and connector R (28) one end is hinged,
Connector R (28) other end and the fixture B (34) being fixed on connecting rod A (20) are be hinged.
12. the functional frame of a kind of seat according to claim 1, it is characterised in that the connector K (15) connects with cushion
Connect and extension spring is installed between frame (8).
13. the functional frame of a kind of seat according to claim 1, it is characterised in that be further fixed on connector K (15)
Banking pin C (36) is limiting the movement locus of connector Q (22).
14. the functional frame of a kind of seat according to claim 1, it is characterised in that be further fixed on connector A (3)
Banking pin D (37) is limiting the movement locus of connector D (6).
15. a kind of seat, including the functional frame as any one of claim 1 to 14, it is characterised in that described left and right
Leg-placing plate is installed on two leg-placing plate links (2) being arranged in pairs, two cushions being arranged in pairs in described left and right connect
Connect on frame (8) connection sheet (38) upper end installation cushion, two backrest links (9) that described left and right is arranged in pairs it is upper
End installation backrest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131032.XA CN104814612B (en) | 2015-03-25 | 2015-03-25 | A kind of seat and its functional frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131032.XA CN104814612B (en) | 2015-03-25 | 2015-03-25 | A kind of seat and its functional frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104814612A CN104814612A (en) | 2015-08-05 |
| CN104814612B true CN104814612B (en) | 2018-01-16 |
Family
ID=53725297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131032.XA Expired - Fee Related CN104814612B (en) | 2015-03-25 | 2015-03-25 | A kind of seat and its functional frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104814612B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105286336B (en) * | 2015-08-31 | 2018-04-24 | 林长贞 | The Relaxing chair of one kind tool foot pad |
| CN106473490A (en) * | 2015-09-02 | 2017-03-08 | 安吉上工永艺五金制造有限公司 | A kind of seat and its functional frame |
| CN105310328B (en) * | 2015-10-27 | 2018-02-27 | 中源家居股份有限公司 | A kind of sofa interlocks chassis |
| CN105455470B9 (en) * | 2015-12-22 | 2020-11-13 | 锐迈机械科技（吴江）有限公司 | Old man's chair mechanical device |
| CN105615377A (en) * | 2016-03-15 | 2016-06-01 | 敏华品牌管理(天津)有限公司 | Office and leisure automatic seat |
| CN106108482A (en) * | 2016-08-25 | 2016-11-16 | 泰州市姜堰区荣耀金属制品有限公司 | Drive rod before and after function sofa monoblock type |
| CN107183989A (en) * | 2016-08-31 | 2017-09-22 | 江门健威凯利实业有限公司 | A kind of dual purposes of sitting and lying sofa based on motor control |
| WO2023019925A1 (en) * | 2021-08-18 | 2023-02-23 | 锐迈机械科技（吴江）有限公司 | Device for retracting seat leg at angle, seat support, and seat unit |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192218Y (en) * | 1994-03-23 | 1995-03-22 | 罗方定 | Position changed office chair |
| DE20106560U1 (en) * | 2001-04-14 | 2002-08-29 | Dewert Antriebs Systemtech | Seat-recliner armchair adjustable by motor |
| US8016348B2 (en) * | 2008-11-24 | 2011-09-13 | Ultra-Mek, Inc. | Reciprocating seating unit with power actuator |
| CN203555411U (en) * | 2013-09-24 | 2014-04-23 | 傅建华 | Chair and foot rest plate mounting structure thereof |
| CN204635612U (en) * | 2015-03-25 | 2015-09-16 | 浙江永艺家具股份有限公司 | A kind of seat and functional frame thereof |
-
2015
- 2015-03-25 CN CN201510131032.XA patent/CN104814612B/en not_active Expired - Fee Related
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| CN104814612A (en) | 2015-08-05 |
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Address after: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Applicant after: UE FURNITURE CO., LTD. Address before: 313300 Zhejiang City, Huzhou Province, Anji County, West Wing Road, No. 1 Applicant before: Zhejiang Yongyi Furniture Co.,Ltd. |
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Granted publication date: 20180116 Termination date: 20210325 |