CN1418609A - No.3 wheel, No.4 wheel, No.5 wheel and No.6 wheel supporting mechanism for walking of a folding electric wheeled chair - Google Patents
No.3 wheel, No.4 wheel, No.5 wheel and No.6 wheel supporting mechanism for walking of a folding electric wheeled chair Download PDFInfo
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- CN1418609A CN1418609A CN 02156769 CN02156769A CN1418609A CN 1418609 A CN1418609 A CN 1418609A CN 02156769 CN02156769 CN 02156769 CN 02156769 A CN02156769 A CN 02156769A CN 1418609 A CN1418609 A CN 1418609A
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Abstract
The present invention provides a kind of third, fourth, fifth or sixth wheel walking support frame mechanism of folded electric wheel-chair car and its correspondent electric wheel-chair car. Said mechanism is characterized by that the metal tube group weld ment whose diameter is phi I is welded on the bush seat made of metal tube whose diameter is phi2 (or welded on the bearing seat in which the bearing is placed), then the metal tube stud in which the diameter of metal tube is phi3 is inserted into the inner hole of metal tube bush seat (or bearing) so as to form cross support folded rotating combination mechanism of wheel-chair air body, after the third, fourth, fifth or sixth wheel power mechanism of electric wheel-chair car is mounted on the front end or rear end of metal tube stud, so that said invented product can be obtained.
Description
Technical field
The present invention relates to medical instruments field; A kind of folding electric that is its old people, disabled people's special use is taken turns the Wheel-chair third round, four-wheel, the 5th is taken turns or the 6th folding electric of taking turns mobile roof support mechanism and character pair is ridden instead of walk, and Wheel-chair is taken turns in leisure.
Background technology
The also metal tube diesis holder combination mechanism of rotatable folding is supported in the walking of the manual pulley Wheel-chair of traditional view, it is when the metal tube diesis holder combination mechanism of walking support of making the car body seat and rotatable folding, two cross hinged places of this metal tube diesis holder combination mechanism are Φ 6mm with a diameter respectively, and the bearing pin that is about to 60mm supports the also center hinge of the metal tube diesis holder combination mechanism of rotatable folding as the walking of manual wheelchair car body seat.During processing and fabricating, only a through hole need be bored in per two steel pipe middle parts, and the plus tolerance of Φ 6mm is got in the aperture, bearing pin with Φ 6mm passes the steel pipe through hole then, the reuse nut is fastening, and the also metal tube diesis holder combination mechanism of rotatable folding is supported in the walking that has promptly formed manual wheelchair car body seat.The power that this kind structure bearing pin is born is very little, and its function is the shop bolt of metal tube diesis holder combination mechanism, is again the bearing pin of metal tube diesis holder combination mechanism rotary folding simultaneously.When manual wheelchair garage was walked, bearing pin and steel pipe hole inwall were radially still having small forward and reverse reciprocal rotation; And it promptly is the axle center with the bearing pin when folding, realizes the rotary folding process of manual pulley Wheel-chair metal tube diesis holder combination mechanism.The effect of this bearing pin in manual wheelchair garage walks and be folding that hence one can see that.By as can be known aforementioned, be Φ 6.0mm only at aforesaid diameter, be about on the metal bearing pin into 60mm, the power output system and the heading control loop of electric walk instead leisure wheel Wheel-chair can't be installed, therefore, such car also is called folding manual pulley Wheel-chair.
Summary of the invention
Its third round of Wheel-chair is taken turns in leisure, four-wheel, the 5th is taken turns or the 6th mobile roof support mechanism of taking turns and corresponding electric walk instead leisure wheel Wheel-chair thereof in order to provide a kind of Foldable electric to ride instead of walk, is Φ with diameter at first
1The metal tube group welding piece to be welded on diameter be Φ
2Metal tube bush seat (or bearing block) on; When being that Φ 3mm, wall thickness are after amm, long metal tube hinge for Lmm insert the endoporus of metal tube bush seat or bearing block (built-in bearing), promptly form the metal tube diesis sectional shelf-unit mechanism of the rotatable folding that supports electric wheel-chair vehicle car body seat to diameter; And diameter is Φ
3This metal tube hinge promptly replaced bearing pin in the aforesaid conventional manual wheel Wheel-chair metal tube diesis holder combination mechanism.When being Φ with diameter
3The front end of metal tube hinge or rear end assembling go up the electric wheelchair third round, four-wheel, the 5th is taken turns or the 6th wheel power machine structure after, third round, the four-wheel, the 5th that promptly forms the folding electric wheelchair taken turns or the 6th taken turns mobile roof support mechanism.This supporting structure and with higher-strength with than major diameter [Φ
3=20～25mm, wall thickness are a=1.8～2.0mm, long are L=400～620mm] metal tube hinged and replaced the bearing pin of traditional manual wheelchair metal tube diesis frame combined mechanism as hinge, make this metal tube hinge become the stressed bracing frame main body of electric wheelchair power output system and heading control loop.When electric wheelchair is walked, rotate for preventing that the metal tube hinge from forming in advancing and between the metal tube bush seat (or built-in bearing) radially, and it is unstable, unbalance that the electric wheel-chair vehicle actuating unit is advanced, therefore, go up the welding locking member in metal tube bush seat (or bearing block), corresponding locking member of welding (or peg graft) and preceding two locking members are fastening with screw rod, nut on the metal tube hinge, and with the method for this kind mechanical fixation keeps the electric walk instead stability of wheelchair garage when advancing of lying fallow.When electric walk instead leisure wheel Wheel-chair need fold, only need be backed out screw rod, nut on locking member, but can recover the radially turnability between metal tube diesis holder combination mechanism and metal tube hinge; At this moment, electric walk instead leisure wheelchair car body can be realized the purpose that folds.
In the present invention, if the wheelchair car body is back two wheel train structures, when along on the length L direction of metal tube hinge, after the power wheel mechanism (6) of electronic leisure wheel Wheel-chair is installed at metal tube hinge A place, and front-wheel is manually controlled the direction of travel of electric wheel-chair vehicle thus, then be called " the third round mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is three train front wheel driving type electric wheelchairs.
In the present invention, if the wheelchair car body is back three wheel train structures, when along on the length L direction of metal tube hinge, still after the power wheel mechanism (6) of electronic leisure wheelchair is installed at metal tube hinge A place, and front-wheel is manually controlled the direction of travel that Wheel-chair is taken turns in electronic leisure thus, then also be called " the third round mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is that four-wheel is forerunner's ejector half electric wheelchair.
In the present invention, if the wheelchair car body is first three wheel train structure, when along on the length L direction of metal tube hinge, if the power wheel mechanism (6) of electronic leisure wheelchair is installed at metal tube hinge B place, its direction of travel is manually controlled by the front-wheel that is installed on the metal tube hinge, then be called " the four-wheel mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is that four-wheel is a rear-guard ejector half electric wheelchair.
In the present invention, if the wheelchair car body is the four-wheel architecture, when along on the length L direction of metal tube hinge, if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at metal tube hinge A place, and the direction of travel of the electronic leisure wheelchair of front-wheel (15) control thus, then be called " the 5th of folding electric leisure wheelchair is taken turns mobile roof support mechanism ", the electronic leisure wheelchair of this kind is five train forerunner ejector half electric wheelchairs.
In the present invention, if the wheelchair car body still is the four-wheel architecture, when along on the length L direction of metal tube hinge, if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at metal tube hinge B place, and by being fixed on the manually direction of travel of the electronic leisure wheelchair of control of gear, belt on the wheelchair Herba Plantaginis end two universal wheel wheel shafts, then also can be described as " the 5th of folding electric leisure wheelchair is taken turns mobile roof support mechanism ", the electronic leisure wheelchair of this kind is five train rear-guard ejector half electric wheelchairs.
In the present invention, if the wheelchair car body is the first five wheel train structure, when along on the length L direction of metal tube hinge, if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at metal tube hinge B place, but its direction of travel is by the manually control of front-wheel (15) that is installed on the metal tube hinge, then be called " the 6th of folding electric wheelchair is taken turns mobile roof support mechanism ", this kind electric wheelchair is six train rear-guard ejector half electric wheelchairs.
In the present invention, if metal tube hinge C place, back at the electronic leisure wheel of aforesaid three train front wheel driving types Wheel-chair, the two-wheeled wheel Wheel-chair of the hinged again one collapsible seat of usheing to seat, then the electronic leisure wheel Wheel-chair of this moment also can be described as " the 5th of double folding electric leisure wheel Wheel-chair is taken turns mobile roof support mechanism ", and this kind electric wheelchair is the double type electric wheelchairs of five train forerunner ejector half.
Description of drawings
Fig. 1 is the folding rotation of electric walk instead leisure wheel Wheel-chair car body diesis support combined mechanism;
Fig. 2 for folding electric ride instead of walk leisure wheel Wheel-chair third and fourth, the five or the 6th take turns walking mechanism and dynamical system;
Fig. 3 supports the also metal tube diesis holder combination mechanism of rotatable folding for conventional manual wheel Wheel-chair;
Fig. 4 for folding electric ride instead of walk the leisure wheelchair third round mobile roof support mechanism, its power driven system is installed in the A place of metal tube hinge (4), so the electric wheelchair of Xing Chenging is three train front wheel driving type electric wheelchairs thus;
Fig. 5 also for folding electric ride instead of walk the leisure wheelchair third round mobile roof support mechanism; Its power driven system is installed in the A place of metal tube hinge (4), but because trailing wheel (universal wheel) is installed in the rearward end of metal tube hinge, therefore, the electric wheelchair of Xing Chenging is that four-wheel is forerunner's ejector half electric wheelchair thus;
Fig. 6 for folding electric ride instead of walk the leisure wheelchair four-wheel mobile roof support structure because power driven system is installed in the B place of metal tube hinge (4), so the electric wheelchair of Xing Chenging is that four-wheel is the electronic leisure wheelchair of rear-guard ejector half thus;
Therefore and the electric wheelchair of formation is the electronic leisure wheelchairs of five train forerunner ejector half Fig. 7 the 5th takes turns mobile roof support mechanism for what folding electric was ridden the leisure wheelchair instead of walk, and its power driven system is installed in the A place of metal tube hinge (4);
Fig. 8 also the 5th takes turns mobile roof support mechanism for what folding electric was ridden the leisure wheelchair instead of walk, but its power driven system is installed in the B place of metal tube hinge (4), and the electric wheelchair of Xing Chenging is the electronic leisure wheelchairs of five train rear-guard ejector half therefrom;
Fig. 9 takes turns mobile roof support mechanism for the 6th of folding electric wheelchair, because dynamical system still is installed in the B place of metal tube hinge (4), therefore, the electric wheelchair of Xing Chenging is six train rear-guard ejector half electric wheelchairs thus;
Figure 10 takes turns mobile roof support mechanism for the 5th of double folding electric wheelchair, because dynamical system is installed in the A place of metal tube hinge (4), so the electric wheelchair of Xing Chenging is the double type electric wheelchairs of five train front wheel drivings thus.
Among the figure: be that diameter is Φ 1,
1The metal tube group welding piece; 2, the 3rd, diameter is Φ
2Metal tube bush seat (or for being welded on the bearing block of built-in bearing); The 4th, diameter is Φ
3The metal tube hinge; The 5th, the metal tube diesis sectional shelf-unit mechanism of the rotatable folding of forming by part 1,2,3,4; 6 are welding (or screw is fastening) actuating unit on part 4; The 7th, by the mobile roof support mechanism of part 5, the 6 common folding electric wheel Wheel-chairs of forming; 8,9 be respectively the radially securing member of relative position of fixing between its part 2,3 and the part 4 that is welded on part 2,3 and the part 4; 10,11 is fastening 8,9 screw rod, nut; 12 is the metal tube diesis holder combination mechanism of the rotatable folding of traditional push chairs car; 13 is the traditional push chairs seat; 14 is the central pin shaft of traditional push chairs support 12; 15 is front-wheel.
The specific embodiment
As shown in Figure 1, be Φ with diameter
1Metal tube group welding piece (1) to be welded on diameter be Φ
2Metal tube bush seat (or bearing block of built-in bearing) (2), (3) on, be Φ with diameter then
3Metal tube hinge (4) insert (2), (3) endoporus, promptly form the folding rotation of electric wheelchair car body cross frame combined mechanism (5).
As shown in Figure 2, when with electric wheel-chair vehicle third and fourth, the five or the 6th take turns walking mechanism (6) when being installed in the A of metal tube hinge (4) or B place, promptly form folding electric wheel Wheel-chair third and fourth, the five or the 6th take turns mobile roof support mechanism (7).
As shown in Figure 4, if the wheelchair car body is back two wheel train structures, when along on the length L direction of metal tube hinge (4), after the power wheel mechanism (6) of electronic leisure wheel Wheel-chair is installed at part (4) A place, and front-wheel (15) is manually controlled the direction of travel of electric wheel-chair vehicle thus, then be called " the third round mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is three train front wheel driving type electric wheelchairs.
As shown in Figure 5, if the wheelchair car body is back three wheel train structures, when along on the length L direction of metal tube hinge (4), still after the power wheel mechanism (6) of electronic leisure wheelchair is installed at part (4) A place, and front-wheel (15) is manually controlled the direction of travel that Wheel-chair is taken turns in electronic leisure thus, then also be called " the third round mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is that four-wheel is forerunner's ejector half electric wheelchair.
As shown in Figure 6, if the wheelchair car body is first three wheel train structure, when along on the length L direction of metal tube hinge (4), if the power wheel mechanism (6) of electronic leisure wheelchair is installed at part (4) B place, its direction of travel is by the manually control of front-wheel (15) that is installed on the metal tube hinge (4), then be called " the four-wheel mobile roof support mechanism of folding electric leisure wheelchair ", the electronic leisure wheelchair of this kind is that four-wheel is the electronic leisure wheelchair of rear-guard ejector half.
As shown in Figure 7, if the wheelchair car body is the four-wheel architecture, when along on the length L direction of metal tube hinge (4), if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at part (4) A place, and the direction of travel of the electronic leisure wheelchair of front-wheel (15) control thus, then be called " the 5th of folding electric leisure wheelchair is taken turns mobile roof support mechanism ", the electronic leisure wheelchair of this kind is the electronic leisure wheelchairs of five train forerunner ejector half.
As shown in Figure 8, if the wheelchair car body is the four-wheel architecture, when along on the length L direction of metal tube hinge (4), if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at part (4) B place, and by the direction of travel of two front-wheels (16) [universal wheel] by the electronic leisure wheelchair of the manual control of tooth belt, then also can be described as " the 5th of folding electric leisure wheelchair is taken turns mobile roof support mechanism ", the electronic leisure wheelchair of this kind is the electronic leisure wheelchairs of five train rear-guard ejector half.
As shown in Figure 9, if the wheelchair car body is the four-wheel architecture, when along on the length L direction of metal tube hinge (4), if the power wheel mechanism (6) of electronic leisure wheelchair still is installed at part (4) B place, but its direction of travel is by the manually control of front-wheel (15) that is installed on the metal tube hinge (4), then be called " the 6th of folding electric wheelchair is taken turns mobile roof support mechanism ", this kind electric wheelchair is six train rear-guard ejector half electric wheelchairs.
As shown in figure 10, if back metal tube hinge (4) C place at the electronic leisure wheel of aforesaid three train front wheel driving types Wheel-chair, the two-wheeled wheel Wheel-chair of the hinged again one collapsible seat of usheing to seat, then the electronic leisure wheel Wheel-chair of this moment also can be described as " the 5th of double folding electric leisure wheel Wheel-chair is taken turns mobile roof support mechanism ", and this kind electric wheelchair is the double type electric wheelchairs of five train forerunner ejector half.
Combine aforementioned, owing to use present technique---a kind of folding electric wheelchair third round, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism and consequent seven kinds of different Foldable electrics of the performance leisure wheel Wheel-chair of riding instead of walk, seven kinds of electronic leisure wheel Wheel-chairs of this this bracket institution of application, can be respectively in household, community, hospital, park, shopping center, Administrative Area and other public place of entertainment, special-purpose as the people of old people, people with disability, patient and the special requirement leisure of riding instead of walk.
Claims (8)
1, the present invention be that people with disability, old people, patient and special requirement person are clearheaded at it, arm flexibly and only for limb the residual or disadvantageous weak population of walking in household, community, park, hospital, shopping center, Administrative Area and other public place of entertainment, a kind of folding electric leisure wheel Wheel-chair third round of the leisure usefulness of riding instead of walk, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism, it is characterized in that:
A, by the described folding electric of claim 1 wheel Wheel-chair third round, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism [7], this mechanism is to be Φ with diameter
1Metal tube group [1] to be welded on diameter be Φ
2Metal tube bush seat [2], [3] [or bearing block [3] of built-in bearing [2]] on; The material of its metal tube group [1] can be aluminium alloy, also can be cold drawing steel tube, stainless steel tube; The material of its metal tube bush seat [2], [3] is aluminium-alloy pipe or cold drawing steel tube, stainless steel tube also.The kinds of bearings of its built-in bearing [2] can be rolling bearing, oiliness bearing, oil-containing bearing shell;
B, by the described folding electric of claim 1 leisure wheel Wheel-chair third round, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism [7], after at first metal tube group [1] being welded on metal tube bush seat [2], [3] [or bearing block [3] of built-in bearing [2]], be Φ with diameter again
3Metal tube hinge [4] insert on the endoporus of metal tube bush seat [2], [3] [or bearing block [3] of built-in bearing [2]], promptly form the folding rotation of electric wheelchair car body cross frame combined mechanism [5].The material of metal tube hinge [4] can be aluminium alloy, 45# steel drawn tube, also can be stainless steel tube.Its diameter of phi
3Be 20 ~ 25mm, the thick a of arm is between 1.8 ~ 2.0mm.
C, by the described folding electric of claim 1 leisure wheel Wheel-chair third round, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism [7], its on metal tube bush seat [2], [3] [or bearing block [3]], welding securing member [8]; On metal tube hinge [4], welding [or pegging graft] securing member [9], when electronic leisure wheelchair garage is walked, rotate for preventing that metal hinge [4] from forming radially in car body is advanced and between the metal tube bush seat [2], [3] [or bearing block [3]], and it is unstable, unbalance that the electric wheelchair actuating unit is advanced, so part [8] and part [9] is fastening with screw rod [10] and nut [11], and the stability that keeps electronic leisure wheelchair garage to advance with this kind mechanical means.When electronic leisure wheel Wheel-chair need fold, only need screw rod [10] and nut [11] are backed out, can recover its metal tube hinge [4] and metal tube bush seat [2], [3] [or bearing block [3]] but between the footpath to rotation commentaries on classics performance.At this moment, electronic leisure wheelchair can be realized the purpose that folds.
2, by the described folding electric of claim 1 leisure wheel Wheel-chair third round, four-wheel, the 5th is taken turns and the 6th take turns mobile roof support mechanism [7], along on the length L direction of metal tube hinge [4], when the wheelchair car body is back three wheel train structures [seeing Figure of description 4], if the power wheel mechanism [6] of electric wheelchair is installed at part [4] A place, and manually control the direction of travel of electric wheelchair by [6], this mechanism is called " the four-wheel mobile roof support structure of folding electric wheelchair ", and this kind electric wheelchair is that four-wheel is forerunner's ejector half electric wheelchair.
3, take turns by third round, the four-wheel, the 5th of the described folding electric of claim 1 wheel Wheel-chair and the 6th take turns mobile roof support mechanism, along on the length L direction of metal tube hinge [4], when wheelchair car body attend a banquet down [seeing Figure of description 5] when only being two wheel constructions, if the power wheel mechanism [6] of electric wheelchair still is installed at part [4] A place, and take turns the direction of travel of manual control electric wheelchair by this, then this mechanism also is called " the third round mobile roof support mechanism of folding electric wheelchair ", and this kind electric wheelchair is three train front wheel driving type electric wheelchairs.
4, take turns by third round, the four-wheel, the 5th of the described folding electric of claim 1 wheel Wheel-chair and the 6th take turns mobile roof support mechanism [7], if the back metal tube hinge [4] at three train front wheel driving type electric wheel-chair vehicles described in aforesaid the 3rd is gone up [seeing Figure of description 6], a hinged more collapsible seat two-wheeled wheel Wheel-chair of usheing to seat, then Ci Shi electric wheelchair mechanism of car also can be described as " the 5th of double folding electric wheel Wheel-chair is taken turns mobile roof support mechanism ", and this kind electric wheelchair is the double type electric wheelchairs of five train front wheel drivings.
5, third round by the described folding electric wheel of claim 1 Wheel-chair, four-wheel, the 5th takes turns and the 6th takes turns mobile roof support mechanism [7], along on the length direction of metal tube hinge [4], when the wheelchair car body is first three wheel train structure [seeing Figure of description 7], if two-wheeled axial line and car body axis intersection points B behind part [4] B[wheelchair car body] locate, the actuating unit [6] of electric wheelchair is installed, the direction of travel of its electric wheelchair is by being installed in the manually control of front-wheel [16] on the metal tube hinge [4], this mechanism is called " the four-wheel mobile roof support mechanism of folding electric wheelchair ", and this kind electric wheelchair is that four-wheel is a rear-guard ejector half electric wheelchair.
6, take turns by third round, the four-wheel, the 5th of the described folding electric of claim 1 wheel Wheel-chair and the 6th take turns mobile roof support mechanism [7], it is along on the length L direction of metal tube hinge [4], when the electric wheelchair car body is the four-wheel architecture, and when its car body two front-wheels are the universal wheel structure [seeing Figure of description 8], if the power wheel mechanism [6] of electric wheelchair is installed at part [4] C place, and take turns the direction of travel of manual control electric wheelchair by this, this mechanism is called " the 5th of folding electric wheelchair is taken turns mobile roof support mechanism "; This kind electric wheelchair is five train forerunner ejector half electric wheelchairs.
7, third round by the described folding electric wheel of claim 1 Wheel-chair, four-wheel, the 5th takes turns and the 6th takes turns mobile roof support mechanism [7], it is along on the length L direction of metal tube hinge [4], when being the four-wheel architecture, the electric wheelchair car body [sees Figure of description 9], the actuating unit [6] of [behind the wheelchair car body two-wheeled axle center earlier and on the intersection point D of car body axis] installation electric wheelchair if at part [4] D place, and manually control the direction of travel of electric wheelchair by preceding side wheel [universal wheel], this mechanism also is called " the 5th of folding electric wheelchair is taken turns mobile roof support mechanism ", and this kind electric wheelchair is five train rear-guard ejector half electric wheelchairs.
8, take turns by third round, the four-wheel, the 5th of the described folding electric of claim 1 wheel Wheel-chair and the 6th take turns mobile roof support mechanism [7], it is along on the length L direction of metal hinge pipe [4], when the wheelchair car body be four-wheel architecture and its car body two front-wheels when being the universal wheel structure [seeing Figure of description 10] if still at the actuating unit [6] of part [4] D place installation electric wheelchair, but the direction of travel of its electric wheelchair is manually controlled by the front-wheel that is installed on the metal tube hinge [4], and this mechanism is called " the 6th of folding electric wheelchair is taken turns mobile roof support mechanism "; This kind electric wheelchair is six train rear-guard ejector half electric wheelchairs.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02156769 CN1418609A (en) | 2002-12-18 | 2002-12-18 | No.3 wheel, No.4 wheel, No.5 wheel and No.6 wheel supporting mechanism for walking of a folding electric wheeled chair |
| CNA2003101219893A CN1507847A (en) | 2002-12-18 | 2003-12-11 | Foldable electric wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02156769 CN1418609A (en) | 2002-12-18 | 2002-12-18 | No.3 wheel, No.4 wheel, No.5 wheel and No.6 wheel supporting mechanism for walking of a folding electric wheeled chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1418609A true CN1418609A (en) | 2003-05-21 |
Family
ID=4752816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02156769 Pending CN1418609A (en) | 2002-12-18 | 2002-12-18 | No.3 wheel, No.4 wheel, No.5 wheel and No.6 wheel supporting mechanism for walking of a folding electric wheeled chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1418609A (en) |
-
2002
- 2002-12-18 CN CN 02156769 patent/CN1418609A/en active Pending
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