CN103445549A - Multifunctional seat - Google Patents
Multifunctional seat Download PDFInfo
- Publication number
- CN103445549A CN103445549A CN2013103759724A CN201310375972A CN103445549A CN 103445549 A CN103445549 A CN 103445549A CN 2013103759724 A CN2013103759724 A CN 2013103759724A CN 201310375972 A CN201310375972 A CN 201310375972A CN 103445549 A CN103445549 A CN 103445549A
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- Prior art keywords
- revolute pair
- back rest
- foot
- connecting rod
- rear foot
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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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- ZSDSQXJSNMTJDA-UHFFFAOYSA-N trifluralin Chemical compound CCCN(CCC)C1=C([N+]([O-])=O)C=C(C(F)(F)F)C=C1[N+]([O-])=O ZSDSQXJSNMTJDA-UHFFFAOYSA-N 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 239000004230 Fast Yellow AB Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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- Handcart (AREA)
Abstract
本发明旨在提供一种多功能座椅，包括主靠背架、副靠背架、后支撑脚、扶手、后脚、前脚、后脚连杆、前脚连杆和坐架，所述的后脚、前脚下端分别安装有三星轮和万向轮。本发明结构设计科学，功能多样，可以变形为六种形态，集椅子、轮椅、桌子、购物车、小拉车和床于一体，三星轮的结构设计方便上下楼梯，并能折叠起来便于携带，具有很高的实用价值。
The present invention aims to provide a multifunctional seat, comprising a main backrest frame, an auxiliary backrest frame, a rear supporting foot, an armrest, a rear foot, a front foot, a rear foot connecting rod, a front foot connecting rod and a seat frame, and the lower ends of the rear foot and the front foot Three-star wheels and universal wheels are installed respectively. The invention has scientific structural design and various functions, and can be deformed into six forms, integrating chair, wheelchair, table, shopping cart, trolley and bed. It has high practical value.
Description
Technical field
The present invention relates to a kind of multifunction seat, is a kind of integrate chair, wheelchair, desk, shopping cart, little pulling a cart and the multifunction seat of bed specifically.
Background technology
Existing functions of seat is simple, thereby can only simply fold to draw in, reduces floor space, and function is few, can only meet indoor routine use, function singleness.
For this reason, occurred some multifunction seats in prior art, such as Chinese utility model patent, the patent No. is " zl03244471.0 ", and name is called " multifunction chair ".Its summary and technical characterictic are: multifunction chair is both can work as chair to use; Open and also can work as single bed use; A plank is installed on two handrails, just can be sitting in above chair and have had a meal, very convenient, as to be well suited for the patient of hospital and the patient that accompanies and attends to librarian use.The structure of this multifunction chair be take iron shelf as main, although be divided into several parts, every part has axle to connect, and can realize combination and open, and it is to be combined into one with iron shelf, such structure very solid firmly, plank is arranged on iron shelf.While opening, every part is set level, and iron shelf, handrail are exactly the support of bed board, and several planks are opened successively, are exactly single bed.During withdrawal, several planks are turned back, plug steady pin, just become a chair.Iron shelf is the support of bed, is also the body supports of chair, just, after opening, just can realize different use functions.The axle of every part and plank in conjunction with very ingenious, after chair is opened, can keep the appearance on a plane, can not make because of the existence of axle the plate face can not be smooth; While closing, can not make the plate face because axle former thereby can not close yet.The sitting face plank of chair is two-layer, when being seat, and two-layer being combined into together; When as bed, this two-layer plank is opened, and be all the panel of bed, then backrest put down to (backrest also can be made folding), be exactly a single bed.
The multifunction seat that this patented technology provides has two kinds of functions, to a certain degree solving the single problem of functions of seat, but convenient not when it uses, also need plank is carried out to dismounting, and its function or fewer, can't meet the application of multiple situation in daily life.
Summary of the invention
The present invention aims to provide a kind of multifunction seat, a kind ofly integrates chair, wheelchair, desk, shopping cart, little pulling a cart and the multifunction seat of bed, can also folding storage, be convenient to transportation, and meet the needs in people's daily life.
For achieving the above object, technical scheme of the present invention is: multifunction seat comprises main back rest, secondary back rest, rear support pin, handrail, the rear foot, the forward foot in a step, rear foot connecting rod, forward foot in a step connecting rod and seat; The middle part of described main back rest is provided with draw-in groove; The described rear foot, forward foot in a step lower end are separately installed with trailing wheel and front-wheel; The top of described main back rest is connected by revolute pair A with the upper end of secondary back rest, and the lower end of main back rest is connected by revolute pair B with the upper end of rear foot connecting rod; The lower end of described rear support pin is connected with the lower end of secondary back rest by revolute pair C; The upper end of described rear foot connecting rod position on the lower side is provided with the revolute pair D that rear foot connecting rod is connected with seat; Described handrail becomes L-type, and an end is stuck in the middle part of main back rest by draw-in groove, and the other end is connected by revolute pair J with the upper end of the rear foot; The middle part of the described rear foot is connected with the lower end of rear foot connecting rod with the upper end of forward foot in a step connecting rod with revolute pair F by revolute pair E respectively; The upper end of the described forward foot in a step is connected with the right-hand member of seat by revolute pair H, and the middle part of the forward foot in a step is connected by revolute pair G with the other end of forward foot in a step connecting rod; The end that described mounting is connected with the forward foot in a step is provided with the handrail deck.
The effect of technique scheme is:
1,, when described vehicle frame is seat state, the free end of handrail is stuck in the groove of main back rest; When described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates to level and leans against on the handrail deck of seat around revolute pair J, main back rest is rotated to horizontal direction around revolute pair B, secondary back rest is rotated to horizontal direction around revolute pair A, simultaneously the rear support pin around revolute pair C rotation until can support ground, thereby make vehicle frame have seat to be transformed into the form of bed;
2, when described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates to level and leans against on the handrail deck of seat around revolute pair J, main back rest is rotated to the position with the seat laminating around revolute pair B, simultaneously by secondary back rest around revolute pair A Rotate 180 °, thereby make vehicle frame have seat to be transformed into the form of desk.
Preferably, also comprise moving sets, described moving sets one end and rear foot rod hinge connection, the other end is connected with the middle part of the rear foot by slide block.The effect of this preferred version is as follows: when described vehicle frame is seat state, seat is fitted around revolute pair D and main back rest, the forward foot in a step is rotated to the position to the seat of fitting around revolute pair H, the rear foot is collapsed to the position of fitting with main back rest along moving sets 5 around revolute pair F rotation simultaneously, thereby make vehicle frame be transformed into the form of drawing in fully.
Further preferably, can also comprise hind axle and be arranged on the carriage of pulling a cart on the rear foot; The upper end of described main back rest is provided with draw-in groove; The described carriage of pulling a cart comprises Extension support, motorcycle underframe, support bar, leg, cross bar; Described motorcycle underframe is connected by revolute pair N with the rear foot, the upper end of described Extension support is connected by revolute pair K with the carriage chassis, described support bar one end is connected with described hind axle by revolute pair M, the support bar other end is connected with the cross bar on leg by revolute pair L, and the upper end of described leg is connected with the motorcycle underframe by revolute pair K.
Further the effect of optimal technical scheme is:
1. when vehicle frame during in fully folding form of drawing in, the motorcycle underframe is put down around revolute pair N, Extension support, around revolute pair K Rotate 180 °, is launched to prop up ground by leg around revolute pair K, meanwhile leg drives the support bar expansion naturally, thereby makes vehicle frame be transformed into little form of pulling a cart.
2. when described vehicle frame is seat state, the free end of described handrail is extracted in the groove of main back rest, handrail rotates up around revolute pair J, simultaneously main back rest around revolute pair B to the direction rotation with seat laminating, the free end of handrail and the free end of main back rest cross in the air simultaneously in rotary course, then the free end of handrail is stuck in the draw-in groove of main back rest upper end and is fixed, secondary back rest is rotated to horizontal level around revolute pair A, the rear support pin is rotated around revolute pair C, the carriage of simultaneously pulling a cart launches, the motorcycle underframe rotates around revolute pair N, after rear support pin and motorcycle underframe cross in the air, the rear support pin is fixedly connected with the motorcycle underframe, thereby make vehicle frame be transformed into the form of shopping cart.
Described trailing wheel can be set to tri-star wheel, and described front-wheel is universal wheel, and described tri-star wheel can be when hind axle revolves round the sun, and each star-wheel also can rotation.Described tri-star wheel structure can allow little pulling a cart down go upstairs; Described Universal wheel structure can allow the turnings such as small handcart, wheelchair, changes direction.
The invention has the beneficial effects as follows: a kind of multifunction seat is provided, can not carry out under the prerequisite that parts remove and install, between chair, wheelchair, desk, bed, shopping cart, the little several functions such as pull a cart, freely change easily, integrate wheelchair, desk, bed, shopping cart, little pull a cart etc. simultaneously, can meet the multiple demand in people's life, be convenient for people to especially the various demands when carrying out outdoor activities, the tri-star wheel structure adopted can realize the function of the little stair activity of pulling a cart, and makes life convenient.This multifunction seat can also fold gathering in addition, puts the boot of automobile into, convenient transportation.This multifunction seat has adopted the stainless steel tube framework as main body in addition, and surface adopts leather sponge packing; Stainless steel tube is very common in life, and very cheap, and leather is also common thing in life, so the present invention draws materials easily, with low cost, is convenient to machine-shaping.
The accompanying drawing explanation:
The front view of multifunction seat in Fig. 1 embodiment provided by the invention;
The left view of multifunction seat in Fig. 2 embodiment provided by the invention;
The bed form figure of multifunction seat in Fig. 3 embodiment provided by the invention;
The desk aspect graph of multifunction seat in Fig. 4 embodiment provided by the invention;
The fully folding aspect graph that draws in of multifunction seat in Fig. 5 embodiment provided by the invention;
The little aspect graph of pulling a cart of multifunction seat in Fig. 6 embodiment provided by the invention;
The little I partial enlarged drawing of pulling a cart of multifunction seat in Fig. 7 embodiment provided by the invention;
The shopping cart form figure of multifunction seat in Fig. 8 embodiment provided by the invention.
1-main back rest, 2-secondary back rest, 3-rear support pin, 4-handrail, 5-rear foot, 6-forward foot in a step, 7-rear foot connecting rod, 8-forward foot in a step connecting rod, 9-seat, 10-hind axle, 11-trailing wheel, 12-front-wheel, 14-moving sets, 101-revolute pair A, 102-revolute pair B, 103-revolute pair C, 104-revolute pair D, 105-revolute pair E, 106-revolute pair F, 107-revolute pair J, 108-revolute pair H, 109-revolute pair G, 13-the carriage of pulling a cart, 1301-Extension support, 1302-motorcycle chassis, 1303-cross bar, 1304-support bar, 1305-leg, 1306-revolute pair N, 1307-revolute pair M, 1308-revolute pair K, 1309-revolute pair L, the 14-moving sets, 15-handrail deck, pouch 16.
The specific embodiment
Illustrate the present invention below in conjunction with accompanying drawing.
As shown in Figure 1-2, multifunction seat, comprise main back rest 1, secondary back rest 2, rear support pin 3, handrail 4, the rear foot 5, the forward foot in a step 6, rear foot connecting rod 7, forward foot in a step connecting rod 8 and seat 9; Middle part and the upper end of described main back rest 1 are equipped with draw-in groove; The described rear foot 5, the forward foot in a step 6 lower ends are separately installed with trailing wheel 11 and front-wheel 12, and the top of described main back rest 1 is connected by revolute pair A101 with the upper end of secondary back rest 2, and the lower end of main back rest 1 is connected by revolute pair B102 with the upper end of rear foot connecting rod 7; The lower end of described rear support pin 3 is connected with the lower end of secondary back rest 2 by revolute pair C103; The upper end of described rear foot connecting rod 7 position on the lower side is provided with the revolute pair D104 that rear foot connecting rod 7 is connected with seat 9; 4 one-tenth L-types of described handrail, an end is stuck in the middle part of main back rest 1 by draw-in groove, and the other end is connected by revolute pair J107 with the upper end of the rear foot 5; The middle part of the described rear foot 5 is connected with the lower end of rear foot connecting rod 7 with the upper end of forward foot in a step connecting rod 8 with revolute pair F106 by revolute pair E105 respectively; The upper end of the described forward foot in a step 6 is connected with the right-hand member of seat 9 by revolute pair H108, and the middle part of the forward foot in a step 6 is connected by revolute pair G109 with the other end of forward foot in a step connecting rod 8; The end that described mounting 9 is connected with the forward foot in a step 6 is provided with handrail deck 15.
As shown in Figure 1, Figure 3, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail rotates to level and leans against on the handrail deck 15 of seat 9 around revolute pair J107, main back rest 1 is rotated to horizontal direction around revolute pair B102, secondary back rest 2 is rotated to horizontal direction around revolute pair A101, simultaneously rear support pin 3 around revolute pair C103 rotation until can support ground, thereby make vehicle frame have seat to be transformed into the form of bed.
As shown in Fig. 1, Fig. 4, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail 4 rotates to level and leans against on the handrail deck 15 of seat 9 around revolute pair J107, main back rest 1 is rotated to the position with seat 9 laminatings around revolute pair B102, simultaneously by secondary back rest 2 around revolute pair A101 Rotate 180 °, thereby make vehicle frame have seat to be transformed into the form of desk.
As shown in Figure 1, shown in Figure 5, described multifunction seat also comprises moving sets 14, and described moving sets 14 1 ends and rear foot connecting rod 7 are hinged, and the other end is connected with the middle part of the rear foot 5 by slide block.When described vehicle frame is seat state, seat 9 is fitted around revolute pair D and main back rest 1, the forward foot in a step 6 is rotated to the position to the seat 9 of fitting around revolute pair H108, the rear foot 5 is collapsed to the position of fitting with main back rest 1 along moving sets 5 around revolute pair F106 rotation simultaneously, thereby make vehicle frame be transformed into the form of drawing in fully.
As shown in Fig. 5-7, described multifunction seat also comprises hind axle 10 and is arranged on the carriage 13 of pulling a cart on the rear foot 5; The described carriage 13 of pulling a cart comprises Extension support 1301, motorcycle underframe 1302, support bar 1304, leg 1305, cross bar 1303; Described motorcycle underframe 1302 is connected by revolute pair N1306 with the rear foot 5, the upper end of described Extension support 1301 is connected by revolute pair K1308 with carriage chassis 1302, described support bar 1,304 one ends are connected with described hind axle 10 by revolute pair M1307, support bar 1304 other ends are connected with the cross bar 1303 on leg 1305 by revolute pair L1309, and the upper end of described leg 1305 is connected with motorcycle underframe 1302 by revolute pair K1308.During position when vehicle frame in drawing in fully, motorcycle underframe 1302 is put down around revolute pair N1306, by Extension support 1301 around revolute pair K1308 Rotate 180 °, leg 1305 is launched to prop up ground around revolute pair K1308, meanwhile leg 1305 drives support bar 1304 expansion naturally, thereby makes vehicle frame be transformed into little form of pulling a cart.
As Fig. 1, shown in Fig. 8, when described vehicle frame is seat state, the free end of described handrail 4 is extracted in the groove of main back rest 1, handrail 4 rotates up around revolute pair J107, simultaneously main back rest 1 around revolute pair B102 to the direction rotation with seat 9 laminating, the free end of the free end of handrail 4 and main back rest 1 crosses in the air simultaneously in rotary course, then the free end of handrail 4 is stuck in the draw-in groove of main back rest 1 upper end and is fixed, secondary back rest 2 is rotated to horizontal level around revolute pair A101, rear support pin 3 is rotated around revolute pair C103, simultaneously will pull a cart carriage 13 launches, motorcycle underframe 1302 rotates around revolute pair N1306, after rear support pin 3 crosses in the air with motorcycle underframe 1302, rear support pin 3 is fixedly connected with motorcycle underframe 1302, thereby make vehicle frame be transformed into the form of shopping cart.
As shown in Figure 1, described trailing wheel 11 is tri-star wheel, and described front-wheel 12 is universal wheel, and described tri-star wheel can be in the time of hind axle 10 revolution, and each star-wheel also can rotation.Described tri-star wheel structure can allow little pulling a cart go upstairs down easily; Described Universal wheel structure can allow the turnings such as small handcart, wheelchair, changes direction.
As shown in Fig. 3, Fig. 8, described multifunction seat can also be installed pouch 16, described pouch opening sleeve on secondary back rest 2 frames, collapsible packing up of used time not, when vehicle frame during in bed or shopping cart form, pouch can be opened and receive thing.
Embodiment described above is only one of embodiments of the invention, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Claims (4)
1. a multifunction seat, comprise main back rest (1), secondary back rest (2), rear support pin (3), handrail (4), the rear foot (5), the forward foot in a step (6), rear foot connecting rod (7), forward foot in a step connecting rod (8) and seat (9); The middle part of described main back rest (1) is provided with draw-in groove; The described rear foot (5), the forward foot in a step (6) lower end are separately installed with trailing wheel (11) and front-wheel (12); It is characterized in that: the upper end of the top of described main back rest (1) and secondary back rest (2) is by revolute pair A(101) be connected, the upper end of the lower end of main back rest (1) and rear foot connecting rod (7) is by revolute pair B(102) be connected; The lower end of described rear support pin (3) is by revolute pair C(103) with the lower end of secondary back rest (2), be connected; The upper end of described rear foot connecting rod (7) position on the lower side is provided with the revolute pair D(104 that rear foot connecting rod (7) is connected with seat (9)); Described handrail (4) becomes L-type, and an end is stuck in the middle part of main back rest (1) by draw-in groove, and the other end is connected by revolute pair J (107) with the upper end of the rear foot (5); The middle part of the described rear foot (5) is connected with the lower end of rear foot connecting rod (7) with the upper end of forward foot in a step connecting rod (8) with revolute pair F (106) by revolute pair E (105) respectively; The upper end of the described forward foot in a step (6) is connected with the right-hand member of seat (9) by revolute pair H (108), and the middle part of the forward foot in a step (6) is connected by revolute pair G (109) with the other end of forward foot in a step connecting rod (8); The end that described mounting (9) is connected with the forward foot in a step (6) is provided with handrail deck (15).
2. multifunction seat as claimed in claim 1, it is characterized in that: also comprise moving sets (14), described moving sets (14) one ends and rear foot connecting rod (7) are hinged, and the other end is connected with the middle part of the rear foot (5) by slide block.
3. multifunction seat as claimed in claim 1 or 2, is characterized in that: also comprise hind axle (10) and be arranged on the carriage of pulling a cart (13) on the rear foot (5); The upper end of described main back rest (1) is provided with draw-in groove; The described carriage of pulling a cart (13) comprises Extension support (1301), motorcycle underframe (1302), support bar (1304), leg (1305), cross bar (1303); Described motorcycle underframe (1302) is connected by revolute pair N (1306) with the rear foot (5), the upper end of described Extension support (1301) is connected by revolute pair K (1308) with carriage chassis (1302), described support bar (1304) one ends are connected with described hind axle (10) by revolute pair M (1307), support bar (1304) other end is connected with the cross bar (1303) on leg (1305) by revolute pair L (1309), and the upper end of described leg (1305) is connected with motorcycle underframe (1302) by revolute pair K (1308).
4. multifunction seat as claimed in claim 3, it is characterized in that: described trailing wheel (11) is tri-star wheel, and described front-wheel (12) is universal wheel, and described tri-star wheel can be when hind axle (10) revolves round the sun, and each star-wheel also can rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375972.4A CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375972.4A CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103445549A true CN103445549A (en) | 2013-12-18 |
| CN103445549B CN103445549B (en) | 2016-01-20 |
Family
ID=49728720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375972.4A Expired - Fee Related CN103445549B (en) | 2013-08-27 | 2013-08-27 | Multifunction seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103445549B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103844684A (en) * | 2014-03-13 | 2014-06-11 | 河南科技大学 | One-piece folding table-chair |
| CN103948246A (en) * | 2014-04-23 | 2014-07-30 | 深圳职业技术学院 | Multifunctional desk-chair assembly |
| CN110269761A (en) * | 2019-06-25 | 2019-09-24 | 郑州市儿童福利院 | A kind of wheelchair |
| CN111772342A (en) * | 2020-08-31 | 2020-10-16 | 宏源家具(江西)有限公司 | Student chair convenient for outdoor use |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062831A (en) * | 1990-12-31 | 1992-07-22 | 于艳明 | The multifunctional heating chair that summer in winter can both be used |
| JP2002253379A (en) * | 2001-02-28 | 2002-09-10 | Itoki Crebio Corp | Chair |
| CN2617254Y (en) * | 2003-04-03 | 2004-05-26 | 付健 | Multifunctional chairs |
| CN201167723Y (en) * | 2008-01-19 | 2008-12-24 | 李永河 | Folding type multifunctional seat bed |
| CN203378793U (en) * | 2013-08-27 | 2014-01-08 | 广西科技大学 | Multifunctional chair |
-
2013
- 2013-08-27 CN CN201310375972.4A patent/CN103445549B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1062831A (en) * | 1990-12-31 | 1992-07-22 | 于艳明 | The multifunctional heating chair that summer in winter can both be used |
| JP2002253379A (en) * | 2001-02-28 | 2002-09-10 | Itoki Crebio Corp | Chair |
| CN2617254Y (en) * | 2003-04-03 | 2004-05-26 | 付健 | Multifunctional chairs |
| CN201167723Y (en) * | 2008-01-19 | 2008-12-24 | 李永河 | Folding type multifunctional seat bed |
| CN203378793U (en) * | 2013-08-27 | 2014-01-08 | 广西科技大学 | Multifunctional chair |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103844684A (en) * | 2014-03-13 | 2014-06-11 | 河南科技大学 | One-piece folding table-chair |
| CN103844684B (en) * | 2014-03-13 | 2016-02-03 | 河南科技大学 | A kind of conjoined jack-knifing table and chair |
| CN103948246A (en) * | 2014-04-23 | 2014-07-30 | 深圳职业技术学院 | Multifunctional desk-chair assembly |
| CN103948246B (en) * | 2014-04-23 | 2016-01-06 | 深圳职业技术学院 | A kind of multifunctional table and chair combination |
| CN110269761A (en) * | 2019-06-25 | 2019-09-24 | 郑州市儿童福利院 | A kind of wheelchair |
| CN111772342A (en) * | 2020-08-31 | 2020-10-16 | 宏源家具(江西)有限公司 | Student chair convenient for outdoor use |
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| Publication number | Publication date |
|---|---|
| CN103445549B (en) | 2016-01-20 |
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