CN102188112B - Improvement on S-shaped sofa chair for sitting and laying - Google Patents
Improvement on S-shaped sofa chair for sitting and laying Download PDFInfo
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- CN102188112B CN102188112B CN201010124611.9A CN201010124611A CN102188112B CN 102188112 B CN102188112 B CN 102188112B CN 201010124611 A CN201010124611 A CN 201010124611A CN 102188112 B CN102188112 B CN 102188112B
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- pipe
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- backrest
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Abstract
The invention discloses improved S-shaped sofa chair for sitting and laying, which consists of a front leg pipe system, a rear leg pipe system, a footrest system, a chair seat, a chair back, a footrest plate, hinges, positioning pins, a hinge pipe, leg wheels and a connecting fabric, wherein the chair back consists of a chair back main body and a waist pad; the hinge pipe consists of a long sleeve, a short sleeve, an internal pipe, a spring, a positioning spring and a hinge seat; the long sleeve and the short sleeve are bodies with hollow cavities; the internal pipe is wrapped in the long sleeve and the short sleeve; the outer walls of the long sleeve and the short sleeve are connected with lugs; one end of the long sleeve is connected with a spring, the internal pipe is a body with a hollow cavity; one end of the internal pipe is closed, and the spring is wrapped and connected in the internal pipe; one end of the positioning spring is connected with the long sleeve, and the other end of the positioning sleeve is connected with a short sleeve; the main body of the chair back is connected with the chair back hinge of the rear leg pipe system and the long sleeve of the hinge pipe; and the waist pad is connected with the short sleeve of the hinge pipe through a bolt. The S-shaped sofa chair has the advantages of simple mechanism, two purposes of sitting and laying, automatic regulation of gravity center, small space occupation in idle state and enough support to the waist.
Description
Technical field
The invention belongs to seating product technical field, particularly a kind of structure of S shape couch.
Background technology
Existing S shape couch major part only to lie, cannot sit, some S shape couch that can sit, as being similar to the functional sofa products such as massage armchair class.Function is in fact fine.But its shortcoming is: one, S shape couch length is close to two meters, take up room when not using very large.Two, the layback of the backrest that functional sofa product utilization is adjustable realizes the function of " lying ", and seat system center of gravity is fixed, non-adjustable, so the reclined by angle of backrest is limited.Three, functional sofa Realization of Product " is lain " and the five metals mechanism more complicated of leg rest function of protracting.Chinese patent application 2009101079081 discloses a kind of s-shaped sofa with dual purposes of sitting and lying down, can substantially overcome the above problems, but its shortcoming is: after backrest layback, have larger space, make the support of waist inadequate between seat support and backrest.
Summary of the invention
The object of the invention is to: provide a kind of mechanism simple, dual purposes of sitting and lying, automatically adjust center of gravity, take up room when not using very little, waist obtains the S shape couch of enough supports simultaneously.
For achieving the above object, technical solution of the present invention is: a kind of s-shaped sofa with dual purposes of sitting and lying down of improvement, as shown in Figure 1, 2, 3, be made up of front foot pipe system, rear foot tube system, leg rest system, seat support, backrest, toe board, hinge, alignment pin, hinge tube, castor and connection fabric.Fig. 3 is the sectional view of Fig. 2.Described front foot pipe system as shown in Figure 4, is made up of connecting plate, gear, position-limited wheel, pin pipe and transverse tube.Wherein, described connecting plate has two pieces, and every block plate is a quadrangular plate, is washed into, or is made up of plank, plastic plate etc. with iron plate.At least ten through holes on it, wherein seven through holes are one group, are divided into three parallel rows, and a middle row has three through holes, is bolted gear; Topmost a row has two through holes, is bolted position-limited wheel; A bottom row has two through holes, is bolted position-limited wheel.Other three through holes are one group, and middle large through-hole is used for the expansion link through alignment pin, and another two small through hole are used for fixed locating stud.Connecting plate front lower portion is by bolt or be welded to connect pin pipe.Two through holes are arranged at connecting plate top, are bolted seat support.Described gear is ordinary gear, is connected respectively with the tooth bar in rear foot tube system and leg rest system.Described position-limited wheel is middle reeded wheel, is connected respectively, makes it to move along a straight line with the sliding tube in slip rear foot tube system and leg rest system.Described pin pipe top is by bolt or be welded to connect connecting plate, and bottom is closed, and has a screwed hole to connect castor.Described transverse tube is a horizontal tube, and both sides are by bolt or be welded to connect two pieces of connecting plates.
Described rear foot tube system as shown in Figure 5, is made up of pin pipe, sliding tube, tooth bar, backing tube, backrest hinge and transverse tube.Wherein, described pin pipe bottom is closed, and has a screwed hole, for connecting castor.Described sliding tube is a horizontal tube, welds together (or bend with pin pipe same pipe form) with pin pipe.Sliding tube side there is a registration hole, for inserting the expansion link of alignment pin, thus the fixing backrest elevation angle.A toothed rack is had, for connecting the upper surface of the gear of the connecting plate of front foot pipe system under sliding tube.Tooth bar and sliding tube are by bolt or be welded to connect.Weld together with pin pipe bottom described backing tube, there is a through hole on top, is bolted backrest hinge.Described transverse tube is a horizontal tube, by bolt or be welded to connect pin pipe.
Described leg rest system as shown in Figure 6, is made up of sliding tube, tooth bar and roller transverse tube.Wherein, described sliding tube is a horizontal tube, one end bending, and there is a through hole on bending top, is bolted roller transverse tube.One toothed rack is arranged at sliding tube top, for connecting the lower surface of the gear of the connecting plate of front foot pipe system.Tooth bar and sliding tube are by bolt or be welded to connect.Described roller transverse tube is a horizontal tube, is bolted sliding tube.Roller transverse tube can roll when jack-up toe board, to reduce friction.
Described seat support is common seat support, can be hard seat, also can be soft seat.Be connected by the connecting plate of bolt with front foot pipe system.
As shown in Figure 7, be made up of backrest main body and bustle (can be a bustle as required, also can be multiple bustle), can be hard backrest, also can be soft backrest to described backrest.Backrest main body, by the backrest chain connection of bolt and rear foot tube system, is also connected with the long sleeve pipe of hinge tube by bolt.Bustle is connected with the short sleeve of hinge tube by bolt.
Described toe board is regular footrest, can be hard toe board, also can be soft toe board.By hinge and seat support hinged.
Described hinge is ready-made hinge, is connected respectively with seat support and toe board by screw.
Described alignment pin appearance has a button, and there is an expansion link be connected on spring inside.Alignment pin is connected on the connecting plate of front foot pipe system by screw.Click, expansion link stretches out, and inserts the locating hole on the sliding tube side of rear foot tube system, thus the fixing backrest elevation angle.Click, expansion link indentation, depart from the locating hole on the sliding tube side of rear foot tube system, thus backrest can be swung back, leg rest system is protracted again.
Described hinge tube as shown in Figure 8, is made up of long sleeve pipe, short sleeve, interior pipe, spring, retainer spring and hinge seat, and its effect is fixing inclination of the seat backrest.Wherein, long sleeve pipe is a cavity body, and pipe in middle parcel is also slidably connected with it, and linking springs is closed in one end.Long sleeve outer wall has connection ear, for connecting backrest main body.Short sleeve is a cavity body, and pipe in middle parcel is also slidably connected with it, and short sleeve outer wall has connection ear, for connecting bustle.Interior pipe is a cavity body, and one end is closed, middle parcel, linking springs.The another side of interior duct occlusion end is porose, hinged with hinge seat.One end of retainer spring and the connection ear of long sleeve pipe are connected by screw, and the connection ear of the other end and short sleeve is connected by screw.Its effect is that short sleeve and bustle are fixed in position by elastic force.The hole of hinge seat one end is connected with interior pipe by bolt, and the position-limited wheel on the hole of the other end and the connecting plate of front foot pipe system is bolted.
Described castor is existing common wheel, is connected on the pin pipe of front foot pipe system and rear foot tube system by screw.
Described connection fabric is existing common fabric, is connected on seat support and backrest, mainly plays decoration function by sewing.
The combination of front foot pipe system, rear foot tube system, leg rest system, seat support, backrest, toe board, hinge, alignment pin, hinge tube, castor and connection fabric is as shown in Fig. 1 and Fig. 2,3, the tooth bar of the sliding tube bottom of described rear foot tube system rolls with the upper surface of the gear at the connecting plate rear portion of front foot pipe system and is connected, and rolls with the position-limited wheel at the connecting plate rear portion of front foot pipe system and be connected in sliding tube top.The tooth bar on the sliding tube top of described leg rest system rolls with the lower surface of the gear of the connecting plate front portion of front foot pipe system and is connected, and rolls with the position-limited wheel of the connecting plate front portion of front foot pipe system and be connected in sliding tube bottom.Described seat support is connected by the connecting plate of bolt with front foot pipe system, and by gemel connection toe board, the other end of toe board and the roller transverse tube of leg rest system are slidably connected.The backrest main body of described backrest, by the backrest chain connection of bolt and rear foot tube system, is also connected with the long sleeve pipe of hinge tube by bolt.Bustle is connected with the short sleeve of hinge tube by bolt.The position-limited wheel at the hole of the hinge tube upper hinge seat other end and the connecting plate rear portion of front foot pipe system is bolted.Described alignment pin is connected on the connecting plate of front foot pipe system by screw.Described castor is connected on the pin pipe of front foot pipe system and rear foot tube system by screw.Described connection fabric is connected on seat support and backrest by sewing.
Shown in Fig. 9 be s-shaped sofa with dual purposes of sitting and lying down for sitting time state.
When this S shape couch uses, identical with common seat, when rest, by the acting in conjunction at hand and back, rear foot tube system can be made to move backward, and the inclination angle of backrest also can change gradually.Meanwhile, leg rest system is stretched out forward, can leg rest.Thus realize people and to lie the object of having a rest on the seat.S shape couch can be compressed again in the non-time of having a rest, make it to take up space less.
Obvious, the structure of above backrest and hinge tube also can be used on other dual purposes of sitting and lying office chair.
After adopting above scheme, the invention has the beneficial effects as follows: mechanism is simple, dual purposes of sitting and lying, automatically adjust center of gravity, take up room when not using very little, waist is enough supported simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram after S shape couch of the present invention removing seat support, backrest, toe board.
Fig. 2 is the schematic diagram of S shape couch of the present invention.
Fig. 3 is the sectional view of Fig. 2 of the present invention.
Fig. 4 is the schematic diagram of front foot pipe system of the present invention.
Fig. 5 is the schematic diagram of rear foot tube system of the present invention.
Fig. 6 is the schematic diagram of leg rest system of the present invention.
Fig. 7 is the schematic diagram of backrest of the present invention.
Fig. 8 is the schematic diagram of hinge tube of the present invention.
Fig. 9 be s-shaped sofa with dual purposes of sitting and lying down of the present invention for sitting time view.
Description of reference numerals
10, front foot pipe system; 11, connecting plate; 12, gear; 13, position-limited wheel; 14, pin pipe; 15, transverse tube; 16, through hole; 17, through hole; 18, through hole; 19, through hole; 20, rear foot tube system; 21, pin pipe; 22, sliding tube; 23, tooth bar; 24, backing tube; 25, backrest hinge; 26, transverse tube; 27, locating hole; 28, through hole; 30, leg rest system; 31, sliding tube; 32, tooth bar; 33, roller transverse tube; 34, through hole; 40, seat support; 50, backrest; 51, backrest main body; 52 bustles; 60, toe board; 70, hinge; 80, alignment pin; 90, hinge tube; 91, long sleeve pipe; 911, ear is connected; 92, short sleeve; 921, ear is connected; 93, interior pipe; 94, spring; 95, retainer spring; 96, hinge seat; 961, hole; 962, hole; 100, castor; 110, fabric is connected.
Detailed description of the invention
Embodiment 1:
A kind of s-shaped sofa with dual purposes of sitting and lying down of improvement, as shown in Figure 1, 2, 3, by front foot pipe system 10, rear foot tube system 20, leg rest system 30, seat support 40, backrest 50, toe board 60, hinge 70, alignment pin 80, hinge tube 90, castor 100 be connected fabric 110 and form.Fig. 3 is the sectional view of Fig. 2.Described front foot pipe system 10 as shown in Figure 4, is made up of connecting plate 11, gear 12, position-limited wheel 13, pin pipe 14 and transverse tube 15.Wherein, described connecting plate 11 has two pieces, and every block plate is a quadrangular plate, is washed into, or is made up of plank, plastic plate etc. with iron plate.At least ten through holes on it, wherein seven through holes are one group, are divided into three parallel rows, and a middle row has three through holes 16, and topmost a row has two through holes 17, and a bottom row has two through holes 17.Other three through holes 18 are one group.Connecting plate 11 front lower portion is by bolt or be welded to connect pin pipe 14.Two through holes 18 are arranged at connecting plate 11 top.Described gear 12 is ordinary gear.Described position-limited wheel 13 is middle reeded wheels.Described pin pipe 14 top is by bolt or be welded to connect connecting plate 11, and bottom is closed, and has a screwed hole to connect castor 100.Described transverse tube 15 is horizontal tubes, and both sides are by bolt or be welded to connect two pieces of connecting plates 11.
Described rear foot tube system 20 as shown in Figure 5, is made up of pin pipe 21, sliding tube 22, tooth bar 23, backing tube 24, backrest hinge 25 and transverse tube 26.Wherein, described pin pipe 21 bottom is closed, and has a screwed hole, for connecting castor 100.Described sliding tube 22 is horizontal tubes, welds together with pin pipe 21.Sliding tube 22 side there is a registration hole 27.A toothed rack 23 is had under sliding tube 22.Tooth bar 23 and sliding tube 22 are by bolt or be welded to connect.Weld together with pin pipe 21 bottom described backing tube 24, there is a through hole 28 on top, is bolted backrest hinge 24.Described transverse tube 26 is horizontal tubes, by bolt or be welded to connect pin pipe 21.
Described leg rest system 30 as shown in Figure 6, is made up of sliding tube 31, tooth bar 32 and roller transverse tube 33.Wherein, described sliding tube 31 is horizontal tubes, one end bending, and there is a through hole 34 on bending top, is bolted roller transverse tube 33.One toothed rack 32 is arranged at sliding tube 31 top.Tooth bar 32 and sliding tube 31 are by bolt or be welded to connect.Described roller transverse tube 33 is horizontal tubes, is bolted sliding tube 31.
Described seat support 40 is common seat support, can be hard seat, also can be soft seat.Be connected with the connecting plate 11 of front foot pipe system 10 by bolt.
Described backrest 50 as shown in Figure 7, is made up of backrest main body 51 and bustle 52, can be hard backrest, also can be soft backrest.Backrest main body 51 is connected with the backrest hinge 25 of rear foot tube system 20 by bolt, is also connected with the long sleeve pipe 91 of hinge tube 90 by bolt.Bustle 52 is connected with the short sleeve 92 of hinge tube 90 by bolt.
Described toe board 60 is regular footrest, can be hard toe board, also can be soft toe board.Hinged by hinge 70 and seat support 40.
Described hinge 70 is ready-made hinge, is connected respectively with seat support 40 and toe board 60 by screw.
Described alignment pin 80 appearance has a button, and there is an expansion link be connected on spring inside.Alignment pin 80 is connected on the connecting plate 11 of front foot pipe system 10 by screw.
Described hinge tube 90 as shown in Figure 8, is made up of long sleeve pipe 91, short sleeve 92, interior pipe 93, spring 94, retainer spring 95 and hinge seat 96, and wherein, long sleeve pipe 91 is cavity body, and one end is closed, and long sleeve pipe 91 outer wall has connection ear 911.Short sleeve 92 is cavity body, and pipe 93 in middle parcel is also slidably connected with it, and short sleeve 92 outer wall has connection ear 921.Interior pipe 93 is cavity body, and one end is closed, middle parcel, linking springs 94.The another side of interior pipe 93 blind end is porose, hinged with hinge seat 96.One end of retainer spring 95 and the connection ear 911 of long sleeve pipe 91 are connected by screw, and the connection ear 921 of the other end and short sleeve 92 is connected by screw.The hole 961 of hinge seat 96 one end is connected with interior pipe 93 by bolt, and the hole 962 of the other end is bolted with the position-limited wheel 13 on the connecting plate 11 of front foot pipe system 10.
Described castor 100 is existing common wheels, is connected on the pin pipe of front foot pipe system 10 and rear foot tube system 20 by screw.
Described connection fabric 110 is existing common fabrics, is connected on seat support 40 and backrest 50 by sewing.
Front foot pipe system 10, rear foot tube system 20, leg rest system 30, seat support 40, backrest 50, toe board 60, hinge 70, alignment pin 80, hinge tube 90, castor 100 be connected the combination of fabric 110 as shown in Fig. 1 and Fig. 2,3, the tooth bar 23 of sliding tube 22 bottom of described rear foot tube system 20 rolls with the upper surface of the gear 12 at connecting plate 11 rear portion of front foot pipe system 10 and is connected, and rolls with the position-limited wheel 13 at connecting plate 11 rear portion of front foot pipe system 10 and be connected in sliding tube 22 top.The tooth bar 32 on sliding tube 31 top of described leg rest system 30 rolls with the lower surface of the gear 12 of connecting plate 11 front portion of front foot pipe system 10 and is connected, and rolls with the position-limited wheel 13 of connecting plate 11 front portion of front foot pipe system 10 and be connected in sliding tube 31 bottom.Described seat support 40 is connected with the connecting plate 11 of front foot pipe system 10 by bolt, connects toe board 60 by hinge 70, and the other end of toe board 60 and the roller transverse tube 33 of leg rest system 30 are slidably connected.The backrest main body 51 of described backrest 50 is connected with the backrest hinge 25 of rear foot tube system 20 by bolt, is also connected with the long sleeve pipe 91 of hinge tube 90 by bolt, and bustle 52 is connected with the short sleeve 92 of hinge tube 90 by bolt.The hole 962 of hinge tube 90 upper hinge seat 96 other end is bolted with the position-limited wheel 13 at connecting plate 11 rear portion of front foot pipe system 10.Described alignment pin 80 is connected on the connecting plate 11 of front foot pipe system 10 by screw.Described castor 100 is connected on the pin pipe 14,21 of front foot pipe system 10 and rear foot tube system 20 by screw.Described connection fabric 110 is connected on seat support 40 and backrest 50 by sewing.
Claims (1)
1. the s-shaped sofa with dual purposes of sitting and lying down improved, be made up of front foot pipe system, rear foot tube system, leg rest system, seat support, backrest, toe board, hinge, alignment pin, hinge tube, castor and connection fabric, the tooth bar of the sliding tube bottom of described rear foot tube system rolls with the upper surface of the gear at the connecting plate rear portion of front foot pipe system and is connected, and rolls with the position-limited wheel at the connecting plate rear portion of front foot pipe system and be connected in sliding tube top, the tooth bar on the sliding tube top of described leg rest system rolls with the lower surface of the gear of the connecting plate front portion of front foot pipe system and is connected, and rolls with the position-limited wheel of the connecting plate front portion of front foot pipe system and be connected in sliding tube bottom, described seat support is connected by the connecting plate of bolt with front foot pipe system, and by gemel connection toe board, the other end of toe board and the roller transverse tube of leg rest system are slidably connected, the position-limited wheel at the hole of the hinge tube upper hinge seat other end and the connecting plate rear portion of front foot pipe system is bolted, described alignment pin is connected on the connecting plate of front foot pipe system by screw, described castor is connected on the pin pipe of front foot pipe system and rear foot tube system by screw, described connection fabric is connected on seat support and backrest by sewing, it is characterized in that: described backrest is made up of backrest main body and bustle, described hinge tube is by long sleeve pipe, short sleeve, interior pipe, spring, retainer spring and hinge seat composition, wherein, long sleeve pipe is a cavity body, pipe in middle parcel, linking springs is closed in one end, outer wall has connection ear, short sleeve is a cavity body, pipe in middle parcel, outer wall has connection ear, interior pipe is a cavity body, one end is closed, middle parcel, linking springs, the another side of interior duct occlusion end is porose, hinged with hinge seat, one end of retainer spring and the connection ear of long sleeve pipe are connected by screw, the connection ear of the other end and short sleeve is connected by screw, the backrest main body of described backrest is by the backrest chain connection of bolt and rear foot tube system, and be also connected with the long sleeve pipe of hinge tube by bolt, bustle is connected with the short sleeve of hinge tube by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010124611.9A CN102188112B (en) | 2010-03-15 | 2010-03-15 | Improvement on S-shaped sofa chair for sitting and laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010124611.9A CN102188112B (en) | 2010-03-15 | 2010-03-15 | Improvement on S-shaped sofa chair for sitting and laying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102188112A CN102188112A (en) | 2011-09-21 |
| CN102188112B true CN102188112B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010124611.9A Active CN102188112B (en) | 2010-03-15 | 2010-03-15 | Improvement on S-shaped sofa chair for sitting and laying |
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| Country | Link |
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| CN (1) | CN102188112B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017155069A1 (en) * | 2016-03-10 | 2017-09-14 | デルタ工業株式会社 | Seat structure |
| CN108835989B (en) * | 2018-08-02 | 2023-10-17 | 佛山职业技术学院 | Sofa chair capable of lying flat |
| CN110606097B (en) * | 2019-09-13 | 2020-09-15 | 李志斌 | Full-automatic business cabin capable of converting sitting posture, lying posture and sleeping posture into sleeping posture |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777678A (en) * | 1986-06-18 | 1988-10-18 | The Better Back Care Corporation | Method and apparatus for providing back support |
| DE20308008U1 (en) * | 2003-05-20 | 2003-09-04 | Sichelschmidt Stanzwerk | Bed has mattress and head rest mounted on L-shaped levers, lever nearest foot being operated by piston attached to it by connecting plate, so that head rest is raised while mattress slides towards top of bed |
| CN2681613Y (en) * | 2004-02-18 | 2005-03-02 | 蔡忠和 | Leisure TV chair |
| EP1712158A1 (en) * | 2005-04-12 | 2006-10-18 | Stanzwerk Wetter Sichelschmidt GmbH & Co.KG | Convertible sofa |
| CN201019301Y (en) * | 2006-10-30 | 2008-02-13 | 梁芮伟 | Office leisure health-care chair |
| CN201094435Y (en) * | 2007-11-19 | 2008-08-06 | 赖向 | Sofa backrest regulating mechanism |
| CN201139255Y (en) * | 2007-12-18 | 2008-10-29 | 纪清辉 | Back lying rest linkage mechanism of seat |
| CN201216355Y (en) * | 2008-04-28 | 2009-04-08 | 方聪铭 | Electric driving bed structure with clamping-proof apparatus |
-
2010
- 2010-03-15 CN CN201010124611.9A patent/CN102188112B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777678A (en) * | 1986-06-18 | 1988-10-18 | The Better Back Care Corporation | Method and apparatus for providing back support |
| DE20308008U1 (en) * | 2003-05-20 | 2003-09-04 | Sichelschmidt Stanzwerk | Bed has mattress and head rest mounted on L-shaped levers, lever nearest foot being operated by piston attached to it by connecting plate, so that head rest is raised while mattress slides towards top of bed |
| CN2681613Y (en) * | 2004-02-18 | 2005-03-02 | 蔡忠和 | Leisure TV chair |
| EP1712158A1 (en) * | 2005-04-12 | 2006-10-18 | Stanzwerk Wetter Sichelschmidt GmbH & Co.KG | Convertible sofa |
| CN201019301Y (en) * | 2006-10-30 | 2008-02-13 | 梁芮伟 | Office leisure health-care chair |
| CN201094435Y (en) * | 2007-11-19 | 2008-08-06 | 赖向 | Sofa backrest regulating mechanism |
| CN201139255Y (en) * | 2007-12-18 | 2008-10-29 | 纪清辉 | Back lying rest linkage mechanism of seat |
| CN201216355Y (en) * | 2008-04-28 | 2009-04-08 | 方聪铭 | Electric driving bed structure with clamping-proof apparatus |
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|---|---|
| CN102188112A (en) | 2011-09-21 |
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