CN102670359A - Wheel chair - Google Patents
Wheel chair Download PDFInfo
- Publication number
- CN102670359A CN102670359A CN2012101444316A CN201210144431A CN102670359A CN 102670359 A CN102670359 A CN 102670359A CN 2012101444316 A CN2012101444316 A CN 2012101444316A CN 201210144431 A CN201210144431 A CN 201210144431A CN 102670359 A CN102670359 A CN 102670359A
- Authority
- CN
- China
- Prior art keywords
- wheel
- sprocket wheel
- wheelchair
- friction pulley
- chain
- Prior art date
- 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.)
- Granted
Links
Images
Landscapes
- Handcart (AREA)
Abstract
The invention relates to a wheel chair which comprises pedals, a vehicle frame, left and right traveling wheels, a force transferring mechanism and a steering control assembly, wherein the left and right traveling wheels are respectively arranged at both sides of the vehicle frame and can freely rotate relative to the vehicle frame; the force transferring mechanism is arranged between the left and right traveling wheels; the force transferring mechanism comprises a first cone wheel, a second cone wheel, a first friction wheel and a second friction wheel; the first cone wheel and the left traveling wheel are concentrically arranged; the second cone wheel and the right traveling wheel are concentrically arranged; the first friction wheel corresponds to the first cone wheel; the second friction wheel corresponds to the second cone wheel and is concentrically arranged with the first friction wheel; and the steering control assembly is connected with the first friction wheel and the second friction wheel so as to change corresponding tangency points of the first friction wheel and the first cone wheel and corresponding tangency points of the second friction wheel and the second cone wheel. According to the invention, a hemiplegic patient or a person who is disabled on the limb on one side can conveniently and sufficiently utilize the healthy limb at the other side to easily control the movement of the wheel chair.
Description
Technical field
The present invention relates to a kind of wheelchair, specifically, relate to user and can take on it and the wheelchair of self walking easily.
Background technology
The manual type wheelchair is arranged on the outside of road wheel to the manual circle that constitutes one with road wheel, when the caregiver not the time, the user of wheelchair through rotation manually circle make the wheelchair walking.Existing common manual type wheelchair all is to go to operate respectively two through two handss manually to enclose; Two handss all forward pushing hands moving-coil wheelchair just advance; Two handss all backward pushing hands moving-coil wheelchair just retreat; A hands pushes away proficiency moving-coil another hands forward and just turns to another manual circle of pusher, and this just means that existing common manual type wheelchair is not suitable for one-handed performance.Yet; Cerebrovascular disease, brain neuroblastoma operation sequela, vehicle accident, and some other accidents all might cause hemiplegia or side physical disabilities; Because common manual type wheelchair is owing to being not suitable for one-handed performance, so it can not satisfy a hemiptegic or a side physical disabilities person's user demand.
In view of this, be necessary to develop a kind of wheelchair of suitable one-handed performance in fact.
Summary of the invention
Technical problem to be solved by this invention is a kind of wheelchair of suitable one-handed performance to be provided, so that a hemiptegic or a side physical disabilities person can make full use of the motion that own healthy side limbs are easily controlled wheelchair.
In order to solve the problems of the technologies described above, wheelchair of the present invention comprises pedal, and vehicle frame is separately positioned on the left and right road wheel that the said relatively vehicle frame in vehicle frame both sides can rotate freely, and is installed in the force transfer mechanism between the left and right road wheel.Said force transfer mechanism comprises first taper cone pulley, second taper cone pulley, first friction pulley and second friction pulley, and first taper cone pulley and said left lateral travelling wheel concentric are provided with; Second taper cone pulley and said right lateral travelling wheel concentric are provided with; First friction pulley is corresponding with said first taper cone pulley; Second friction pulley is corresponding with said second taper cone pulley, and with the coaxial setting of said first friction pulley; Wherein, said wheelchair comprises that also one is connected with said second friction pulley to change first friction pulley and the corresponding point of contact of first taper cone pulley and to change the Control Component that turns at second friction pulley and the corresponding point of contact of second taper cone pulley with said first friction pulley.
Above-mentioned wheelchair, wherein, the said Control Component that turns to comprises steering lever and drawing article, steering lever is connected with said second friction pulley with said first friction pulley; Drawing article is connected with said pedal and is connected with said steering lever.
Above-mentioned wheelchair, wherein, said drawing article is a stay cord, said stay cord is two, wherein an end of a stay cord is connected in the front portion of said pedal, the other end be connected on the said turning-bar bar near the said first friction pulley side; One end of another root stay cord is connected in the rear portion of said pedal, the other end be connected on the said steering lever near the said second friction pulley side.
Above-mentioned wheelchair, wherein, the said Control Component that turns to comprises that also one is arranged on the stay cord guide on the said vehicle frame, said stay cord guide is passed at the middle part of said two stay cords respectively.
Above-mentioned wheelchair, wherein, said turning-bar thick stick is connected with one first connecting axle through one second connecting axle, said first connecting axle be make said first friction pulley and the coaxial setting of said second friction pulley spool.
Above-mentioned wheelchair, wherein, the said Control Component that turns to also includes the steering lever return unit, and said steering lever return unit one end is arranged on the said steering lever, and the other end is arranged on the said vehicle frame.
Above-mentioned wheelchair, wherein, said wheelchair also comprises a speed increasing mechanism, and said force transfer mechanism is provided with near said left lateral travelling wheel, and said speed increasing mechanism is arranged between said force transfer mechanism and the said right lateral travelling wheel through a train gripper shoe.
Above-mentioned wheelchair; Wherein, Said speed increasing mechanism is a chain-drive mechanism; Said chain-drive mechanism comprises first chain kit and second chain kit, and first chain kit comprises first sprocket wheel, second sprocket wheel and is arranged on first chain on first sprocket wheel, second sprocket wheel, said first sprocket wheel and the coaxial setting of said second taper cone pulley; Second chain kit comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on second chain on the 3rd sprocket wheel, the 4th sprocket wheel, said the 4th sprocket wheel and the coaxial setting of said right lateral travelling wheel.
Above-mentioned wheelchair, wherein, said wheelchair also comprises a speed increasing mechanism, and said force transfer mechanism is provided with near said right lateral travelling wheel, and said speed increasing mechanism is arranged between said force transfer mechanism and the said left lateral travelling wheel through a train gripper shoe.
Above-mentioned wheelchair; Wherein, Said speed increasing mechanism is a chain-drive mechanism; Said chain-drive mechanism comprises first chain kit and second chain kit, and first chain kit comprises first sprocket wheel, second sprocket wheel and is arranged on first chain on first sprocket wheel, second sprocket wheel, said first sprocket wheel and the coaxial setting of said first taper cone pulley; Second chain kit comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on second chain on the 3rd sprocket wheel, the 4th sprocket wheel, said the 4th sprocket wheel and the coaxial setting of said left lateral travelling wheel.
Beneficial functional of the present invention is; Force transfer mechanism setting through taper cone pulley and friction pulley fit structure; When power after the input of left lateral travelling wheel or right lateral travelling wheel, rely on the frictional force between taper cone pulley and the friction pulley to be delivered to an other side, and the gear ratio in the left and right sides is when identical; Left and right road wheel rotates with speed, and wheelchair is kept straight on; And through turning to Control Component to change the gear ratio of the point of contact of taper cone pulley and friction pulley with the change force transfer mechanism, when gear ratio less than 1 or greater than 1 the time, wheelchair turns to.Thereby the present invention can make things convenient for a hemiptegic or a side physical disabilities person to make full use of the motion that own healthy side limbs are easily controlled wheelchair.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the side view of wheelchair of the present invention;
Fig. 2 is the structural representation of the force transfer mechanism of one embodiment of the invention;
Fig. 3 is the structural representation of the force transfer mechanism of another embodiment of the present invention;
Fig. 4 is the installation diagram of the force transfer mechanism of yet another embodiment of the invention;
Fig. 5 is the structural representation that turns to Control Component () of wheelchair of the present invention;
Fig. 6 is the structural representation that turns to Control Component (two) of wheelchair of the present invention;
Fig. 7 turns to Control Component and pedal annexation sketch map for wheelchair of the present invention;
Fig. 8 turns to Control Component and first friction pulley and the second friction pulley annexation sketch map for wheelchair of the present invention;
Fig. 9 turns to the Control Component partial schematic diagram for wheelchair of the present invention.
Wherein, Reference numeral
10-pedal
11-pedal rotating shaft
12-pedal pull bar
20-vehicle frame
30-left lateral travelling wheel
40-right lateral travelling wheel
The 50-force transfer mechanism
51-first taper cone pulley
52-second taper cone pulley
53-the first friction pulley
54-the second friction pulley
55-left hand wheel shaft
55 ＇-right hand wheel shaft
56-right hand wheel shaft
57-the first connecting axle
60-turn to Control Component
61-steering lever
62-drawing article
621,622-stay cord
63-stay cord guide
64-steering lever return unit
641,642-spring
65-the first stay cord skin is spacing
66-the second stay cord skin is spacing
70-the second connecting axle
80-speed increasing mechanism
81-the first sprocket wheel
82-the second sprocket wheel
83-the first chain
84-the three sprocket wheel
85-the four sprocket wheel
86-the second chain
87,87 ＇-the 3rd connecting axle
88-the four connecting axle
89,89 ＇-the 5th connecting axle
88-the four connecting axle
90-train gripper shoe
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention being carried out detailed description, further understanding the object of the invention, scheme and effect, but is not the restriction as accompanying claims protection domain of the present invention.
First embodiment
Consult Fig. 1 and combine and consult Fig. 2, as shown in the figure, wheelchair of the present invention; Comprise pedal 10; Vehicle frame 20 is separately positioned on left lateral travelling wheel 30, right lateral travelling wheel 40 that the relative vehicle frame in vehicle frame 20 both sides can rotate freely, and is installed in the force transfer mechanism 50 between left lateral travelling wheel 30, the right lateral travelling wheel 40.Pedal 10 is connected (see figure 7) on the vehicle frame 20 through pedal pull bar 11 and pedal rotating shaft 12.Force transfer mechanism 50 comprises first taper cone pulley 51, second taper cone pulley 52, first friction pulley 53 and second friction pulley 54; Thereby first taper cone pulley 51 makes first taper cone pulley 51 and the 30 concentric settings of left lateral travelling wheel through left hand wheel shaft 55 and the 30 coaxial settings of left lateral travelling wheel; Thereby second taper cone pulley 52 makes second taper cone pulley 52 and the 40 concentric settings of right lateral travelling wheel through right hand wheel shaft 56 and the 40 coaxial settings of right lateral travelling wheel; First friction pulley 53 is corresponding with first taper cone pulley 51; Its concrete corresponding relation is that first friction pulley 53 and first taper cone pulley 51 are tangent; Second friction pulley 54 is corresponding with second taper cone pulley 52, and its concrete corresponding relation is that first friction pulley 53 and first taper cone pulley 51 are tangent, and second friction pulley 54 passes through the 57 coaxial settings of first connecting axle with first friction pulley 53.
Through above-mentioned structure, when power after 40 inputs of left lateral travelling wheel 30 or right lateral travelling wheel, rely on the frictional force between taper cone pulley and the friction pulley to be delivered to an other side, and the gear ratio in the left and right sides is when identical, left and right road wheel rotates with speed, wheelchair is kept straight on.Thereby can make things convenient for a hemiptegic or a side physical disabilities person to make full use of own healthy side limbs and easily promote the wheelchair craspedodrome.
A hemiptegic or a side physical disabilities person make full use of own healthy side limbs and easily control wheelchair and turn to for ease, and wheelchair comprises that also one is connected with second friction pulley 54 with what change first friction pulley 53 and first taper cone pulley, 51 corresponding point of contacts and change second friction pulley 54 and second taper cone pulley, 52 corresponding point of contacts with first friction pulley 53 and turns to Control Component 60.
In conjunction with consulting Fig. 5 to Fig. 9, turn to Control Component 60 to comprise steering lever 61 and drawing article 62.Steering lever 61 is connected with second friction pulley 54 with first friction pulley 53, and its concrete annexation can be a structure as shown in Figure 8: turning-bar thick stick 61 through second connecting axle 70 be connected with first connecting axle 57 (this first connecting axle 57 for make first friction pulley 53 and the 54 coaxial settings of second friction pulley spool).Drawing article 62 is connected with pedal 10 and is connected with steering lever 61; In the present embodiment; Drawing article 62 is a stay cord; Stay cord is two, and wherein an end of a stay cord 621 is connected in the front portion (the front portion here is relative vehicle frame 20) of pedal 10, the other end be connected on the turning-bar bar 61 near first friction pulley, 53 sides; One end of another root stay cord 622 is connected in the rear portion of pedal 10, the other end be connected on the steering lever 61 near second friction pulley, 54 sides.
The setting of stay cord for ease, turn to Control Component 60 also comprise one be arranged on 63, two stay cords of stay cord guide 621,622 on the vehicle frame 20 the middle part pass this stay cord guide 63 respectively.In addition, relevant two stay cord 621,622 two ends spacing realizes that through outer spacing 65, second stay cord outer spacing 66 of first stay cord this first stay cord outer spacing 65 is separately positioned on the vehicle frame 20 with this second stay cord outer spacing 66.
Further; Turn to Control Component 60 also to include steering lever return unit 64 (see figure 9)s, these steering lever return unit 64 1 ends are arranged on the steering lever 61, and the other end is arranged on the vehicle frame 20; In the present embodiment, steering lever return unit 64 comprises two springs 641,642.
Through the above-mentioned setting that turns to Control Component 60; Turning to of wheelchair can be passed through foot control system easily, and user is stepped on the drive stay cord through preceding (back) of foot steering force is delivered to steering lever 61, and moment is amplified; And then act on the friction pulley 53,54 that turns to of control; Change the point of contact of friction pulley 53,54 and taper cone pulley 51,52, thereby change the speed of left and right sides road wheel, realize turning to.
Second embodiment
Consult Fig. 3; The main distinction of the present embodiment and first embodiment is: on the basis of first embodiment; Increased by a speed increasing mechanism 80; Force transfer mechanism 50 is provided with near left lateral travelling wheel 30, and speed increasing mechanism 80 can be arranged between force transfer mechanism 50 and the right lateral travelling wheel 40 through a train gripper shoe 90 (can consult Fig. 4).This speed increasing mechanism 80 is a chain-drive mechanism; This chain-drive mechanism comprises first chain kit and second chain kit; Wherein, First chain kit comprises first sprocket wheel 81, second sprocket wheel 82 and is arranged on first chain, 83, the first sprocket wheels 81 on first sprocket wheel 81, second sprocket wheel 82 through the 3rd connecting axle 87 and the 52 coaxial settings of second taper cone pulley; Second chain kit comprises the 3rd sprocket wheel 84, the 4th sprocket wheel 85 and is arranged on second chain 86 on the 3rd sprocket wheel 84, the 4th sprocket wheel 85; The 4th sprocket wheel 85 passes through the 89 coaxial settings of the 5th connecting axle with right lateral travelling wheel 40, and second sprocket wheel 82 passes through the 88 coaxial settings of the 4th connecting axle with the 3rd sprocket wheel 84.In order to guarantee second taper cone pulley 52 and the 40 concentric settings of right lateral travelling wheel; The 3rd connecting axle 87 and the 5th connecting axle 89 roughly are arranged on the same straight line; The roughly same straight line here refers to the 3rd connecting axle 87 and the 5th connecting axle 89 satisfies certain axiality requirement.
Setting through speed increasing mechanism 80; After power is imported from left lateral travelling wheel 30; Earlier speed 1:1 is delivered to opposite side through taper cone pulley 51,52 and friction pulley 53,54; And then through speed increasing mechanism 80 raising speeds, at this time right lateral travelling wheel 40 is bigger than left lateral travelling wheel 30 speed, thus the realization that has made things convenient for wheelchair to turn left.
In the present embodiment; Add speed increasing mechanism 80 not only can limit gear ratio within the reasonable range (when the gear ratio of taper cone pulley and friction pulley is excessive; Can lower through sprocket wheel), and conveniently manual wheelchair is adapted as electric wheelchair, satisfy more people's demand.
The 3rd embodiment
Consult Fig. 4; The present embodiment and second embodiment are roughly the same; Also on the basis of first embodiment, increased by a speed increasing mechanism 80; But the main distinction of the present embodiment and second embodiment is: force transfer mechanism 50 is provided with near right lateral travelling wheel 40, and second taper cone pulley 52 is through right hand wheel shaft 55 ＇ and the 40 coaxial settings of right lateral travelling wheel.Speed increasing mechanism 80 is arranged between force transfer mechanism 50 and the left lateral travelling wheel 30 through train gripper shoe 90; This speed increasing mechanism 80 is a chain-drive mechanism; This chain-drive mechanism comprises first chain kit and second chain kit; Wherein, first chain kit comprises first sprocket wheel 81, second sprocket wheel 82 and is arranged on first chain, 83, the first sprocket wheels 81 on first sprocket wheel 81, second sprocket wheel 82 through the 3rd connecting axle 87 ＇ and the 51 coaxial settings of first taper cone pulley; Second chain kit comprises the 3rd sprocket wheel 84, the 4th sprocket wheel 85 and is arranged on second chain 86 on the 3rd sprocket wheel 84, the 4th sprocket wheel 85; The 4th sprocket wheel 85 passes through the coaxial setting of the 5th connecting axle 89 ＇ with left lateral travelling wheel 30, and second sprocket wheel 82 passes through the 88 coaxial settings of the 4th connecting axle with the 3rd sprocket wheel 84.In order to guarantee first taper cone pulley 51 and the 30 concentric settings of left lateral travelling wheel; The 3rd connecting axle 87 ＇ and the 5th connecting axle 89 ＇ roughly are arranged on the same straight line; The roughly same straight line here refers to the 3rd connecting axle 87 ＇ and the 5th connecting axle 89 ＇ satisfy certain axiality requirement.
Setting through speed increasing mechanism 80; After power is imported from right lateral travelling wheel 40; Earlier speed 1:1 is delivered to opposite side through taper cone pulley 51,52 and friction pulley 53,54; And then through speed increasing mechanism 80 raising speeds, at this time left lateral travelling wheel 30 is bigger than right lateral travelling wheel 40 speed, thus the realization that has made things convenient for wheelchair to turn right.
In the present embodiment; Add speed increasing mechanism 80 not only can limit gear ratio within the reasonable range (when the gear ratio of taper cone pulley and friction pulley is excessive; Can lower through sprocket wheel), and conveniently manual wheelchair is adapted as electric wheelchair, satisfy more people's demand.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. a wheelchair comprises pedal, and vehicle frame is separately positioned on the left and right road wheel that the said relatively vehicle frame in vehicle frame both sides can rotate freely, and is installed in the force transfer mechanism between the left and right road wheel, it is characterized in that said force transfer mechanism comprises:
First taper cone pulley is provided with said left lateral travelling wheel concentric;
Second taper cone pulley is provided with said right lateral travelling wheel concentric;
First friction pulley is corresponding with said first taper cone pulley; And
Second friction pulley, corresponding with said second taper cone pulley, and with the coaxial setting of said first friction pulley;
Wherein, said wheelchair comprises that also one is connected with said second friction pulley to change first friction pulley and the corresponding point of contact of first taper cone pulley and to change the Control Component that turns at second friction pulley and the corresponding point of contact of second taper cone pulley with said first friction pulley.
2. wheelchair according to claim 1 is characterized in that, the said Control Component that turns to comprises:
Steering lever is connected with said second friction pulley with said first friction pulley; And
Drawing article is connected with said pedal and is connected with said steering lever.
3. wheelchair according to claim 2; It is characterized in that said drawing article is a stay cord, said stay cord is two; Wherein an end of a stay cord is connected in the front portion of said pedal, the other end be connected on the said turning-bar bar near the said first friction pulley side; One end of another root stay cord is connected in the rear portion of said pedal, the other end be connected on the said steering lever near the said second friction pulley side.
4. wheelchair according to claim 3 is characterized in that, the said Control Component that turns to comprises that also one is arranged on the stay cord guide on the said vehicle frame, and said stay cord guide is passed at the middle part of said two stay cords respectively.
5. wheelchair according to claim 2 is characterized in that, said turning-bar thick stick is connected with one first connecting axle through one second connecting axle, said first connecting axle be make said first friction pulley and the coaxial setting of said second friction pulley spool.
6. wheelchair according to claim 2 is characterized in that, the said Control Component that turns to also includes the steering lever return unit, and said steering lever return unit one end is arranged on the said steering lever, and the other end is arranged on the said vehicle frame.
7. according to any described wheelchair among the claim 1-6; It is characterized in that; Said wheelchair also comprises a speed increasing mechanism, and said force transfer mechanism is provided with near said left lateral travelling wheel, and said speed increasing mechanism is arranged between said force transfer mechanism and the said right lateral travelling wheel through a train gripper shoe.
8. wheelchair according to claim 7 is characterized in that, said speed increasing mechanism is a chain-drive mechanism, and said chain-drive mechanism comprises:
First chain kit, it comprises first sprocket wheel, second sprocket wheel and is arranged on first chain on first sprocket wheel, second sprocket wheel, said first sprocket wheel and the coaxial setting of said second taper cone pulley; And
Second chain kit, it comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on second chain on the 3rd sprocket wheel, the 4th sprocket wheel, said the 4th sprocket wheel and the coaxial setting of said right lateral travelling wheel.
9. according to any described wheelchair among the claim 1-6; It is characterized in that; Said wheelchair also comprises a speed increasing mechanism, and said force transfer mechanism is provided with near said right lateral travelling wheel, and said speed increasing mechanism is arranged between said force transfer mechanism and the said left lateral travelling wheel through a train gripper shoe.
10. wheelchair according to claim 9 is characterized in that, said speed increasing mechanism is a chain-drive mechanism, and said chain-drive mechanism comprises:
First chain kit, it comprises first sprocket wheel, second sprocket wheel and is arranged on first chain on first sprocket wheel, second sprocket wheel, said first sprocket wheel and the coaxial setting of said first taper cone pulley; And
Second chain kit, it comprises the 3rd sprocket wheel, the 4th sprocket wheel and is arranged on second chain on the 3rd sprocket wheel, the 4th sprocket wheel, said the 4th sprocket wheel and the coaxial setting of said left lateral travelling wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144431.6A CN102670359B (en) | 2012-05-11 | 2012-05-11 | Wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144431.6A CN102670359B (en) | 2012-05-11 | 2012-05-11 | Wheel chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102670359A true CN102670359A (en) | 2012-09-19 |
| CN102670359B CN102670359B (en) | 2015-01-07 |
Family
ID=46803363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210144431.6A Expired - Fee Related CN102670359B (en) | 2012-05-11 | 2012-05-11 | Wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102670359B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004316880A (en) * | 2003-04-15 | 2004-11-11 | Keiji Sakamoto | Biaxial output continuously variable transmission |
| JP4195238B2 (en) * | 2002-05-24 | 2008-12-10 | 康延 半田 | Front wheel drive wheelchair |
| JP2010069005A (en) * | 2008-09-18 | 2010-04-02 | Tohoku Univ | Device for driving and rotating wheels for wheelchair |
| CN201684098U (en) * | 2010-06-09 | 2010-12-29 | 张翊 | Electric wheelchair |
| CN202654331U (en) * | 2012-05-11 | 2013-01-09 | 北京电子科技职业学院 | Wheelchair |
-
2012
- 2012-05-11 CN CN201210144431.6A patent/CN102670359B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4195238B2 (en) * | 2002-05-24 | 2008-12-10 | 康延 半田 | Front wheel drive wheelchair |
| JP2004316880A (en) * | 2003-04-15 | 2004-11-11 | Keiji Sakamoto | Biaxial output continuously variable transmission |
| JP2010069005A (en) * | 2008-09-18 | 2010-04-02 | Tohoku Univ | Device for driving and rotating wheels for wheelchair |
| CN201684098U (en) * | 2010-06-09 | 2010-12-29 | 张翊 | Electric wheelchair |
| CN202654331U (en) * | 2012-05-11 | 2013-01-09 | 北京电子科技职业学院 | Wheelchair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102670359B (en) | 2015-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103169579A (en) | Rapidly-dismounted electric stair-climbing wheelchair | |
| JP2015511561A (en) | Bicycle with mobile saddle | |
| CN104554418A (en) | Multifunctional steering wheel | |
| CN202654331U (en) | Wheelchair | |
| CN102670359A (en) | Wheel chair | |
| CN202624503U (en) | Rear wheel drive (RWD) full foot-control third wheel electric vehicle | |
| CN201912347U (en) | Wheelchair with brake mechanism | |
| CN204870374U (en) | Fast front wheel clutching mechanism who rides child's bike that pushes away of accuse | |
| CN202821882U (en) | Draw bar driving wheel chair | |
| CN106344293B (en) | A kind of walking-aided wheelchair braking mechanism | |
| JP2011068336A (en) | Electric stroller | |
| CN201586133U (en) | Double-driving-wheel linkage wheelchair | |
| CN204871386U (en) | Child's bike is ridden to fast pushing away of accuse | |
| CN203263665U (en) | Novel walking-assistant wheelchair with handbrakes | |
| CN206453913U (en) | A kind of walking-aided wheelchair braking mechanism | |
| CN202892259U (en) | Rotating ring handle drive wheel chair | |
| CN203953997U (en) | A kind of bimodulus electric wheelchair | |
| CN204121299U (en) | A kind of walking aid rehabilitation wheelchair | |
| CN204890389U (en) | Folding electronic wheelchair | |
| CN203841931U (en) | Electric wheelchair | |
| CN105434119B (en) | Dual drive wheelchair | |
| CN202875651U (en) | Multi-functional wheelchair | |
| CN203172829U (en) | Exercise bicycle | |
| CN102961223A (en) | Speed change wheelchair | |
| CN203461015U (en) | Foldable electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20150511 |
|
| EXPY | Termination of patent right or utility model |