CN102283750B - Multifunctional leisure wheelchair - Google Patents
Multifunctional leisure wheelchair Download PDFInfo
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- CN102283750B CN102283750B CN 201110234167 CN201110234167A CN102283750B CN 102283750 B CN102283750 B CN 102283750B CN 201110234167 CN201110234167 CN 201110234167 CN 201110234167 A CN201110234167 A CN 201110234167A CN 102283750 B CN102283750 B CN 102283750B
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- lifting platform
- wheelchair
- top board
- lifting
- base plate
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Abstract
The invention discloses a multifunctional leisure wheelchair. The wheelchair is characterized in that the pedals of the wheelchair can be rotated to two sides, an elevating platform below the wheelchair can ascend and descend vertically, the wheelchair is elevated to a certain height and the wheelchair is pushed by a straight pushing rod motor to move forwards and backwards along the elevating platform, and the length of the straight guide rail of the elevating platform can be changed so as to guarantee enough moving distance of the wheelchair; and the backrest of the wheelchair can be put down to form a leisure bed, and can also be repeatedly bent, thereby providing movement for the waist and the back, solving user back and waist pains caused by long-time sitting or lying, and promoting blood circulation. The multifunctional leisure wheelchair disclosed by the invention has the advantages of beautiful appearance, autonomous movement, good stability and high safety, is time-saving and labor-saving, and is convenient for all people with movement inconvenience to use.
Description
Technical field
The present invention relates to design and the manufacturing technology field of special vehicle, be specially a kind of multifunctional leisure wheelchair.
Background technology
Wheelchair is the handicapped requisite walking-replacing tool of crowd, and existing wheelchair has a lot of forms, uses the most common wheelchair, but it can only use function singleness on smooth unimpeded road surface, the motion autonomy is poor, and needs other people to go auxiliary operation.Current society, aging problem and people with disability's problem highlight, and youngster does not have too many time eldercare and handicapped crowd greatly because of operating pressure simultaneously.This old, weak, sick, residual etc. need bring inconvenience by the special population of wheelchair with regard to giving, and has limited their trip, has reduced the quality of life of special population.
Summary of the invention
In order to address the above problem, the invention provides a kind of multifunctional leisure wheelchair, in the hope of increasing the function of wheelchair, the auxiliary operation that breaks away from other people makes the convenient participation of handicapped crowd outdoor activities, enlarges their range of activity, improves their quality of life.
The technical scheme that the present invention takes is:
A kind of multifunctional leisure wheelchair, comprise the wheelchair frame, lean against support, the pedal support, it is characterized in that, also comprise power source, lifting platform, controller, the lifting line handspike motor, mobile line handspike motor, described lifting platform comprises lifting platform top board and lifting platform base plate, lifting platform is arranged on wheelchair frame below, the lifting platform base plate does not contact with ground, the lifting platform cover top surface arranges line slideway, described wheelchair frame can be slided at described line slideway, the lifting line handspike motor is installed in the lifting platform plate upper surface, its push rod is arranged on lifting platform top board lower surface, controller is arranged on the position of user's handled easily, and controller is controlled described lifting line handspike motor makes lifting platform base plate and lifting platform top board mobile in the opposite direction, and the lifting platform base plate contacts back lifting platform top board and drives the rising of wheelchair frame with ground; Mobile line handspike motor is installed in the lifting platform cover top surface, and its push rod is arranged on the support of wheelchair frame, and controller can be controlled described mobile line handspike motor makes the wheelchair frame along the line slideway slip of lifting platform cover top surface.
Further, described pedal support and wheelchair frame installation place arrange the pedal moving block, the pedal support with and the pedal installed of lower end can leave the place ahead of described wheelchair by described pedal moving block; Described lifting platform also comprises the lifting platform extension plate, described lifting platform extension plate is perpendicular to lifting platform top board and the hinged lifting platform the place ahead that is arranged at of lifting platform top board, lifting platform extension plate upper surface is provided with line slideway, when the lifting platform extension plate turns to lifting platform top board isoplanar, the line slideway of lifting platform cover top surface docks with the line slideway of lifting platform extension plate upper surface, and by locking device lifting platform extension plate and lifting platform top board is fixed.
Further, described locking device comprises the latch slideway of lifting platform extension plate upper surface, Fixing clamp-seat and the latch of lifting platform cover top surface; Perhaps, described locking device comprises the latch slideway of lifting platform cover top surface, Fixing clamp-seat and the latch of lifting platform extension plate upper surface.
Further, at described Fixing clamp-seat lock-screw is set.
Further, described lifting platform also comprises the lifting platform intermediate plate, the lifting platform intermediate plate is arranged between lifting platform top board and the lifting platform base plate, have the hole in the middle of the lifting platform intermediate plate, the push rod that is used for described lifting line handspike motor passes, four angles of lifting platform intermediate plate upper surface are provided with four linear bearing flanges, four angles of lifting platform plate upper surface are provided with four shaft stools, by described four shaft stools four hollow axles are set between lifting platform base plate and lifting platform intermediate plate, four bolsters are set on the lifting platform top board, pierce in the described hollow axle after passing described four linear bearing flanges.
Further, described lifting platform base plate lower surface is provided with rubber blanket.
Further, also comprise the backrest line handspike motor, described backrest line handspike motor is arranged on the below of described wheelchair frame, and its push rod is arranged on the described back bracket.
Further, described backrest line handspike motor is two, is separately positioned on the left and right sides of wheelchair frame.
Further, the length sum of described back bracket and wheelchair seat and ordinary person's height is suitable.
The beneficial effect of multifunctional leisure wheelchair of the present invention is:
Rational in infrastructure, diverse in function can be crossed step, can bed, chair is dual-purpose, also can finish waist and back simple motion; Motion autonomy height need not other people auxiliary operation, good stability, safe.
Description of drawings
Accompanying drawing 1 is the perspective view of multifunctional leisure wheelchair of the present invention;
Accompanying drawing 2 is part perspective view that wheelchair removes lifting platform in the accompanying drawing 1;
Accompanying drawing 3 is perspective view of lifting platform;
Accompanying drawing 4 is planar structure sketch maps of lifting platform;
Accompanying drawing 5 is that lifting platform lengthens the perspective view after raising;
Accompanying drawing 6 is perspective view that lifting platform lengthens the whole wheelchair in back that raises.
Label in the accompanying drawing is respectively:
1. controller support; 2. seat frame; 3. wheelchair armrest;
4. wheel chair back; 5. back bracket; 6. handle;
7. motor; 8. drivewheel; 9. power supply;
10. mobile line handspike motor; 11. slide block contiguous block; 12. universal wheel;
13. linear slider; 14. pedal; 15. pedal support;
16. pedal moving block; 17. connecting rod; 18. support;
19. controller; 20. controller rocking bar; 21. support connecting rod;
22. backrest line handspike motor; 23. backrest connecting rod; 24. line slideway;
25. lock-screw; 26. Fixing clamp-seat; 27. line slideway;
28. latch slideway; 29. latch; 30. lifting platform extension plate;
31. rubber blanket; 32. hollow axle; 33. hinge;
34. lifting line handspike motor; 35. lifting platform top board; 36. lifting platform base plate;
37. lifting platform intermediate plate; 38. shaft stool; 39. linear bearing flange;
40. shaft stool; 41. motor bearing; 42. lifting platform;
43. bolster; 44. the fixing card of motor; 45. motor bearing;
46. motor bearing.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to multifunctional leisure wheelchair of the present invention.
In order to make easy to understand of the present invention, some directivity terms have been adopted in this description.Need to prove, the directivity term that this description is mentioned, for example " on ", D score, " left side ", " right side " " preceding ", " back " etc.According to the direction of accompanying drawing, be example with accompanying drawing 1 just, the direction that wheelchair advances be " preceding ", and the direction that retreats is " back ", the orientation up and down that is sitting in the user on the wheelchair be " on ", D score, " left side ", " right side ".The directivity term of above-mentioned use is in order to explanation and understands the present invention, but not in order to limit protection scope of the present invention.
Referring to accompanying drawing 1,2, multifunctional leisure wheelchair of the present invention, comprise wheelchair frame 2, be arranged on a pair of universal wheel 12 in wheelchair frame 2 the place aheads as front-wheel, universal wheel 12 Convenient wheelchairs change direct of travel, be arranged on a pair of drivewheel 8 at wheelchair frame 2 rears as trailing wheel, the power of drivewheel 8 is from paraprofessional personnel's thrust or motor-driven power, two wheelchair armrests 3 are set in the both sides of wheelchair frame 2, rear in wheelchair frame 2 arranges the wheel chair back of being made up of back bracket 54, and two handles 6, handle 6 makes things convenient for the paraprofessional personnel to promote wheelchair to advance.The place ahead in chair wheel frame 2 arranges a pair of pedal 14, make things convenient for user to shelve both feet, pedal 14 is installed on the pedal support 15, pedal support 15 is arranged on the wheelchair support in wheelchair the place ahead, pedal 14 can rotate at pedal support 15, in order to pack up pedal 14, make things convenient for user wheelchair up and down.Pedal support 15 is connected by a pedal moving block 16 with the wheelchair support, by pedal moving block 16, can make pedal support 15 drive pedal 14 and rotate to the left and right sides of wheelchair frame 2.In rear or the both sides of wheelchair frame 2, power supply 9 and motor 7 are installed, motor 7 is two, is connected with two drivewheels 8 respectively, advances the energy to be provided and to drive wheelchair.In the place ahead of handrail 3 controller support 1 is set, controller 19 and controller rocking bar 20 are installed on the controller support 1, controller 19 is used for controlling actions such as motor 7 is finished wheelchair to advance, retreats, turned left, right-hand rotation, and the gait of march of controlled ratch chair.
Referring to accompanying drawing 1,3,4, a lifting platform 42 is set below wheelchair frame 2, lifting platform 42 original states are to be fixed on the below of wheelchair frame 2 and not contact with ground, lifting platform 42 comprises lifting platform top board 35, lifting platform intermediate plate 37 and lifting platform base plate 36, four angles of lifting platform intermediate plate 37 upper surfaces are provided with four linear bearing flanges 39, four angles of lifting platform base plate 36 upper surfaces are provided with four shaft stools 38, by described four shaft stools 38 four hollow axles 32 are set between lifting platform base plate 36 and lifting platform intermediate plate 37, four bolsters 43 are set on the lifting platform top board 35, four bolsters 43 pierce in the hollow axle 32 after passing four linear bearing flanges 39, like this, when lifting platform 42 liftings, lifting platform top board 35 will keep level always, four angles at the lower surface of lifting platform base plate 36 arrange four rubber blankets 31, are used for the ground contact.Upper surface at lifting platform base plate 36 is installed lifting line handspike motor 34 by motor bearing 45, the push rod of lifting line handspike motor 34 is arranged on the lower surface of lifting platform top board 35 by motor bearing 46, the centre of lifting platform intermediate plate 37 has the hole, the push rod that is used for lifting line handspike motor 34 passes, at the lower surface of elevator intermediate plate 37 the fixing card 44 of motor is installed, is made lifting line handspike motor 34 by motor bearing 45 and 44 fixations of the fixing card of motor.Lifting line handspike motor 34 provides electric energy by power supply 9.The upper surface of lifting platform top board 35 is provided with two parallel linear guides 24, and the below of wheelchair frame 2 is provided with slide block contiguous block 11 and is located at linear slider 13 on the slide block contiguous block, by linear slider 13 wheelchair frame 2 is slided at line slideway 24.Lifting platform 42 also comprises lifting platform extension plate 30, lifting platform extension plate 30 vertical lift platform top boards 35 and lifting platform top board 35 are by hinge 33 hinged the place aheads that are arranged at lifting platform 42, lifting platform extension plate 30 is provided with line slideway 27, when lifting platform extension plate 30 turns to lifting platform top board 35 isoplanars, line slideway 24 on the lifting platform top board 35 docks with line slideway 27 on the lifting platform extension plate 30, increased the length of line slideway like this, the upper surface of lifting platform extension plate 37 is provided with latch slideway 28, the upper surface of lifting platform top board 35 is provided with Fixing clamp-seat 26, by latch 29 lifting platform extension plate 36 and lifting platform top board 35 isoplanars are fixed, on Fixing clamp-seat 26, be provided with lock-screw 25, be used for locking latch 29(referring to accompanying drawing 5).Upper surface at lifting platform top board 35 is provided with motor bearing 41, is used for installing mobile line handspike motor 10, and the push rod of mobile line handspike motor 10 is arranged on the wheelchair support of seat below of wheelchair.Mobile line handspike motor 10 provides electric energy by power supply 9.Both sides arrange two backrest line handspike motors 22 respectively below wheelchair frame 2, and the push rod of backrest line handspike motor 22 is arranged on the downside back bracket 5 of wheel chair back 4.Backrest line handspike motor 22 provides electric energy by power supply 9.
Referring to accompanying drawing 6, the work process of multifunctional leisure wheelchair of the present invention is as follows: when advancing on the ground, the hand steered handle 6 of paraprofessional personnel promotes wheelchair and advances, and user also can make motor 7 drive drivewheels 8 that wheelchair is advanced on the road surface by operation control 19.When wheelchair the place ahead has step to stop, manually pedal 14 and pedal support 15 are transferred to the both sides of wheelchair frame 2 around pedal moving block 16, simultaneously 30 90 ° of the upsets of lifting platform extension plate and 35 butt joints of lifting platform top board, make line slideway 24 and 27 alignment of the line slideway on the lifting platform extension plate 30 on the lifting platform top board 35, after the alignment, latch 29 is inserted in the Fixing clamp-seat 26 along latch slideway 28, tighten lock-screw 25, operation control 19 control wheelchairs stop near behind the step, start the lifting line handspike motor 34 of lifting platform 42.Lifting line handspike motor 34 push rods promote lifting platform top board 35, the lifting platform base plate 36 of lifting platform 42 is descended, when the rubber blanket 31 under the lifting platform base plate 36 with after ground contacts, lifting platform top board 35 begins rising and drives the wheelchair rising, controlling it when wheelchair rises to the step sustained height stops to rise 34 self-lockings of lifting line handspike motor.The mobile line handspike motor 10 of operation control 19 startups promotes wheelchair frame 2 forward then, and wheelchair frame 2 moves along line slideway 24 by linear slider 13; After wheelchair has been gone up step fully, start lifting line handspike motor 34, the pusher retracted of lifting line handspike motor 34, the wheelchair ground that falls back, the push rod of lifting line handspike motor 34 continues withdrawal, and the lifting platform intermediate plate 37 of lifting platform 42 and lifting platform base plate 36 promote, and controls the push rod action of mobile line handspike motor 10 then, lifting platform 42 is regained in the wheelchair frame, finished the action of crossing over step.
In addition, backrest line handspike motor 22 promotes backrest 4 actions, it is leisure bed that wheelchair is formed, backrest line handspike motor 22 promotes backrest 4 makes backrest 4 be horizontal level, the length sum of the length of backrest 4 and wheel seat support is arranged to suitable with people's height, and user can lie in has a rest on the wheelchair or sleep.When circulation starting backrest line handspike motor 22, can allow user do some simple waists and back motion, reach the effect of taking exercises.In order to alleviate the weight of wheelchair, the support of using in the wheelchair all adopts hollow metal tube to make, and can adopt materials such as hollow steel pipe or hollow aluminum pipe, makes under the situation that the mechanical strength of wheelchair do not reduce, and alleviates its weight, is convenient to carrying.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. multifunctional leisure wheelchair, comprise wheelchair frame (2), lean against support (5), pedal support (15), it is characterized in that: also comprise power source, lifting platform (42), first controller (19), second controller (9), lifting line handspike motor (34), mobile line handspike motor (10), described lifting platform (42) comprises lifting platform top board (35) and lifting platform base plate (36), lifting platform (42) is arranged on the below of wheelchair frame (2), lifting platform base plate (36) does not contact with ground, lifting platform top board (35) upper surface arranges line slideway (24), described wheelchair frame (2) can be slided at described line slideway (24), lifting line handspike motor (34) is installed in lifting platform base plate (36) upper surface, its push rod is arranged on lifting platform top board (35) lower surface, first controller (19) is arranged on the position of user's handled easily, first controller (19) the described lifting line handspike motor of control (34) makes lifting platform base plate (36) and lifting platform top board (35) mobile in the opposite direction, and lifting platform base plate (36) contacts back lifting platform top board (35) and drives wheelchair frame (2) rising with ground; Described pedal support (15) and wheelchair frame (2) installation place arrange pedal moving block (16), pedal support (15) with and the pedal (14) installed of lower end can leave the place ahead of described wheelchair by described pedal moving block (16); Described lifting platform (42) also comprises lifting platform extension plate (30), described lifting platform extension plate (30) is perpendicular to lifting platform top board (35) and hinged lifting platform (42) the place ahead that is arranged at of lifting platform top board (35), lifting platform extension plate (30) upper surface is provided with line slideway (27), when lifting platform extension plate (30) turns to lifting platform top board (35) isoplanar, the line slideway (24) of lifting platform top board (35) upper surface docks with the line slideway (27) of lifting platform extension plate (30) upper surface, and makes lifting platform extension plate (30) and lifting platform top board (35) fixing by locking device; Mobile line handspike motor (10) is installed in lifting platform top board (35) upper surface, its push rod is arranged on the support of wheelchair frame (2), and second controller (9) is used for controlling described mobile line handspike motor (10) makes wheelchair frame (2) along line slideway (24) slip of lifting platform top board (35) upper surface.
2. multifunctional leisure wheelchair according to claim 1, it is characterized in that: described locking device comprises the latch slideway (28) of lifting platform extension plate (30) upper surface, Fixing clamp-seat (26) and the latch (29) of lifting platform top board (35) upper surface; Perhaps, described locking device comprises the latch slideway (28) of lifting platform top board (35) upper surface, Fixing clamp-seat (26) and the latch (29) of lifting platform extension plate (30) upper surface.
3. multifunctional leisure wheelchair according to claim 2 is characterized in that: at described Fixing clamp-seat (26) lock-screw (25) is set.
4. according to each described multifunctional leisure wheelchair in the claim 1 to 3, it is characterized in that: described lifting platform (42) also comprises lifting platform intermediate plate (37), lifting platform intermediate plate (37) is arranged between lifting platform top board (35) and the lifting platform base plate (36), have the hole in the middle of the lifting platform intermediate plate (37), the push rod that is used for described lifting line handspike motor (34) passes, four angles of lifting platform intermediate plate (37) upper surface are provided with four linear bearing flanges (39), four angles of lifting platform base plate (36) upper surface are provided with four shaft stools (40), between lifting platform base plate (36) and lifting platform intermediate plate (37), four hollow axles (32) are set by described four shaft stools (40), four bolsters (43) are set on the lifting platform top board (35), pierce in the described hollow axle (32) after passing described four linear bearing flanges (39).
5. according to each described multifunctional leisure wheelchair in the claim 1 to 3, it is characterized in that: described lifting platform base plate (36) lower surface is provided with rubber blanket (32).
6. according to each described multifunctional leisure wheelchair in the claim 1 to 3, it is characterized in that: also comprise backrest line handspike motor (22), described backrest line handspike motor (22) is arranged on the below of described wheelchair frame (2), and its push rod is arranged on the described back bracket (5).
7. multifunctional leisure wheelchair according to claim 6, it is characterized in that: described backrest line handspike motor (22) is two, is separately positioned on the left and right sides of wheelchair frame (2).
8. multifunctional leisure wheelchair according to claim 6 is characterized in that: described back bracket (5) is suitable with ordinary person's height with the length sum of wheelchair seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110234167 CN102283750B (en) | 2011-08-16 | 2011-08-16 | Multifunctional leisure wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110234167 CN102283750B (en) | 2011-08-16 | 2011-08-16 | Multifunctional leisure wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102283750A CN102283750A (en) | 2011-12-21 |
| CN102283750B true CN102283750B (en) | 2013-08-21 |
Family
ID=45330692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110234167 Expired - Fee Related CN102283750B (en) | 2011-08-16 | 2011-08-16 | Multifunctional leisure wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102283750B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8573610B1 (en) * | 2012-09-05 | 2013-11-05 | Amg Medical Inc. | Footrest apparatus |
| CN102846440A (en) * | 2012-09-28 | 2013-01-02 | 昆山市工业技术研究院有限责任公司 | Multi-functional standing and sitting device for walker wheelchair |
| CN103932848A (en) * | 2014-04-24 | 2014-07-23 | 郑清荣 | Full-automatic hydraulic lifting marching type electric stair climbing wheelchair |
| CA3004352A1 (en) | 2015-11-23 | 2017-06-01 | Quantum Robotic Systems Inc. | Stair traversing device |
| CN105919741B (en) * | 2016-04-18 | 2018-08-28 | 江南大学 | A kind of Multifunctional auxiliary supporting structure of omnidirectional's medical-care bed chair |
| CN107638253A (en) * | 2016-07-20 | 2018-01-30 | 北京航空航天大学 | A kind of mechanical system of multifunctional motor-driven bath chair |
| CN107643766A (en) * | 2016-07-20 | 2018-01-30 | 北京航空航天大学 | The control system and control method of a kind of Multifunction bathing chair |
| CN107088122A (en) * | 2016-12-26 | 2017-08-25 | 吴跃志 | One kind cuts support lifting sliding rail and translates the detachable amphibious wheelchair in stair climbing level land |
| CN106691718A (en) * | 2016-12-27 | 2017-05-24 | 美利驰医疗器械（苏州）有限公司 | Lifting type multifunctional nursing wheelchair |
| CN106805538A (en) * | 2017-01-23 | 2017-06-09 | 宁波欧琳厨具有限公司 | A kind of healthy chair for kitchen |
| CN107638258A (en) * | 2017-10-18 | 2018-01-30 | 南京理工大学 | Disable old man's spare seat |
| CN110584897B (en) * | 2019-09-25 | 2022-09-09 | 西安理工大学 | Wheelchair auxiliary device |
| CN111728782A (en) * | 2020-07-31 | 2020-10-02 | 中山市程博工业产品设计有限公司 | Wheelchair convenient for patient to get on or off bed |
| CN112298322A (en) * | 2020-12-04 | 2021-02-02 | 刘国华 | Stair climbing vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3230179A1 (en) * | 1982-08-13 | 1984-02-16 | Michael 8731 Elfershausen Fenn | Wheel-chair |
| US5653301A (en) * | 1994-08-02 | 1997-08-05 | Andre; Emile Robert | Wheel-supported apparatus for climbing and descending stairs |
| CN2451090Y (en) * | 2000-07-25 | 2001-10-03 | 侯乐平 | Wheel chair capable of up-down stairs |
| CN2917606Y (en) * | 2006-06-26 | 2007-07-04 | 广东工业大学 | Wheeled chair capable of going upstairs and downstairs |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19855178A1 (en) * | 1998-01-13 | 1999-08-26 | Wengert | Lifting / extending device for a wheelchair and wheelchair |
-
2011
- 2011-08-16 CN CN 201110234167 patent/CN102283750B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3230179A1 (en) * | 1982-08-13 | 1984-02-16 | Michael 8731 Elfershausen Fenn | Wheel-chair |
| US5653301A (en) * | 1994-08-02 | 1997-08-05 | Andre; Emile Robert | Wheel-supported apparatus for climbing and descending stairs |
| CN2451090Y (en) * | 2000-07-25 | 2001-10-03 | 侯乐平 | Wheel chair capable of up-down stairs |
| CN2917606Y (en) * | 2006-06-26 | 2007-07-04 | 广东工业大学 | Wheeled chair capable of going upstairs and downstairs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102283750A (en) | 2011-12-21 |
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