CN2482401Y - Portable electric/hand operated wheeled chair with lower-limb exercise recovery apparatus - Google Patents
Portable electric/hand operated wheeled chair with lower-limb exercise recovery apparatus Download PDFInfo
- Publication number
- CN2482401Y CN2482401Y CN 01229827 CN01229827U CN2482401Y CN 2482401 Y CN2482401 Y CN 2482401Y CN 01229827 CN01229827 CN 01229827 CN 01229827 U CN01229827 U CN 01229827U CN 2482401 Y CN2482401 Y CN 2482401Y
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- wheelchair
- lower extremity
- extremity movement
- crossbeam
- wheel
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Abstract
The utility model discloses a portable electric or manual wheelchair having a lower extremity movement rehabilitation device, and comprises a wheelchair and a lower extremity movement device, the lower extremity movement device is detachably arranged in front of the wheelchair frame; an electric controlling device is arranged at the hand rest to control the operation of the wheelchair, a brake is arranged on the wheel flange of a driving wheel, the driving device of the wheelchair comprises a hand driving ring and an electrical device; and the frame of the wheelchair adopts a foldable rectangular frame structure. When the utility model is used as the wheelchair, the hand driving method and the electrical driving method can be adopted, and the utility model can be folded for carrying and transportation; meanwhile the lower extremity movement device can be utilized to make the lower extremity of the patient move enforcedly, and when the exercise is not needed, the lower extremity movement device can be dissembled conveniently.
Description
1. technical field
This utility model relates to a kind of electronic, dual-use manual wheelchair that both can be used as, can be used as the lower extremity paralysis patient again and carry out the sports apparatus that forced movement is taken exercise, relate in particular to a kind of can fold and the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device, belong to disabled patient motion and physical therapy appliance.
2. background technology
When the patient causes the nervus centralis pressurized because of intracerebral hemorrhage or other reason, can cause hemiplegia or following skin to be lost consciousness, patient's walking of can not standing, even can't take care of oneself, though what have can walk by instrument, but difficulty in walking, the activity that can't perform physical exercise, long and of a specified duration through deficient exercises, make the limb muscle atrophy, ankylosis, even lose upright walking function forever, and the patient suffering is increased the weight of, medical circle generally believes, if the patient can adhere to motion, take exercise, then help the recovery of health.
In the prior art, nursing and rehabilitation device for paralysed patient mainly are nursing class and the utensil that promotes to suffer from the limb motion by artificial or mechanical mode, as disclosing a kind of hemiplegia of limb rehabilitation device among the CN2245444, comprise supporting plate and four support wheels that are fixed on the rectangular distribution on the supporting plate, draught line is looped around on four support wheels, two pedals are installed on the draught line of corresponding both sides by connector, but this rehabilitation device must be a power with healthy side limbs, the activity of drive affected limb, the patient who is not suitable for paralysing fully.Disclose a kind of dorsal position limbs multifunctional recovery device among the CN2091699, comprised compositions such as base plate, spring, mandrel, guide rail, bearing, can promptly keep patient's braking of lying in bed, can take exercise again, but this rehabilitation device can only be used for immaturity paraplegia.
A kind of wheelchair and lower extremity movement rehabilitation convertible car are disclosed among the applicant's the CN2384605Y that is authorized to, comprise a common wheelchair and an electronic lower extremity movement mechanism, and still can't use for physical weakness or severe patient, not can be used as yet remote walking the vehicles use, and this wheelchair and lower extremity movement rehabilitation convertible car can not be folded also by structure, are not easy to carry transportation.
3. summary of the invention
This utility model provides a kind of portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device, makes the patient carry out activity in indoor and outdoor easily, and can walk at a distance, can also fold and after carry transportation; Simultaneously can utilize the lower extremity movement device that patient's lower limb are carried out mandatory activity, make the patient can obtain suitable exercise, help the rehabilitation in muscle and joint, when not needing to take exercise, the lower extremity movement device can also be disassembled easily.
In order to finish above-mentioned task, the technical solution adopted in the utility model is: have the portable electricity/manual wheelchair of lower extremity movement rehabilitation device, comprising: by the wheelchair that vehicle frame, wheel and driving device are formed, a lower limb telecontrol equipment is characterized in that:
The both sides that described lower extremity movement device can be installed on wheelchair frame the place ahead with unloading have leans forward, on the longitudinal rod at angle;
It also comprises the electronic-controlled installation of a control wheelchair operation, and this device is arranged on arm rest.
Described lower extremity movement device comprises: the fork that is movably connected on the preceding entablature of wheelchair frame, the hinged connecting rod in the lower end of fork, the affixed pedal of the other end of connecting rod, hinged rocking arm under the pedal, rocking arm other end pivot connects output shaft of gear-box, change speed gear box input termination motor, described motor, change speed gear box are fixed on the base, both sides at base are fixed with fixed mount, and the upper end of fixed mount is the hook portion that has hanging hole, are provided with the flexible fastening pin that the bottom has draw ring in the lower end of fixed mount; Be provided with on the side of the longitudinal rod of the front end of vehicle frame and the hook portion of the fixed mount hangers of fastener mutually, the bottom of longitudinal rod is provided with a pin-and-hole that inserts for the elasticity steady pin.
Described driving device comprises hand gear and electric device; Described hand gear is the hand drive circle; Described electric device comprises: an accumulator that is arranged under the seat cushions connects direct current generator, the outfan connection reducer of direct current generator, and the output termination clutch of decelerator, described motor, decelerator, clutch are located in the driving wheel wheel hub.
The cuboid frame structure of described vehicle frame for folding; Two vertical limits of the back of this cuboid frame structure extend upward the back-rest that constitutes vehicle frame; Four parallel edges of the level on the front and back of this cuboid framework constitute two entablatures and two sills respectively; Described entablature constitutes by two sections of left and right entablatures are hinged, pin joint is the intermediate point of entablature, the hinged end of wherein upper right crossbeam and upper left crossbeam crossbeam left extends beyond 1/2 of crossbeam length overall, on the extension of upper right crossbeam, be provided with the folding positive stop lug boss of restriction crossbeam downwards, and on upper left crossbeam, be provided with the folding limited impression that matches with described positive stop lug boss of restriction crossbeam downwards; Described sill is made of the hinged left and right sill in centre; Be respectively equipped with a trace and two support bars that can stretch on the front and back of this cuboid framework, the two ends of described trace are hinged on respectively on the middle pin joint of upper and lower crossbeam; And the middle pin joint of entablature and the hinged respectively support bar that can stretch of the two-end-point of sill; Can be thereby constitute to the folding cuboid frame structure in centre.
Described telescopic support bar is made of upper boom and lower beam, and two bars have a hole on each, and wherein at least one hole is a slotted hole, and two bars are stacked, and two bars are fixed in the hole that a hold-down screw passes on two bars.
Describedly constitute wheel by driving wheel, directive wheel and further comprise and be located at the hypsokinesis safety wheel that both sides, wheelchair rear portion are provided with.
It also comprises a friction brakes, and described brake is arranged on the drive wheel rims.
Owing to adopt said structure, the utlity model has following characteristics:
1. both can be used as the electric and manual two-use wheel chair, can carry out the little activity of indoor and outdoor scope during hand drive; Electricity both can carry out the indoor and outdoor activity when driving, and also can make the vehicles of remote walking, and electronic part adopts the power supply of 24V accumulator direct current supply, guarantees safety.
2. actuating element adopts electronic-controlled installation, and the patient only needs to rotate joystick among a small circle, just can realize advancing, fall back, turning to the lower extremity movement device and move of wheelchair easily; Simultaneously, revolve or regulate output voltage, change motor speed, realize infinitely variable speeds to change output voltage by the voltage adjustment.
3. trailing wheel adopts manual, electronic driven in two modes, and when accumulator electric-quantity was not enough, the clutch handle on the rotary hub separated jaw clutch, makes the wheelchair walking with hands rotating drive circle; When adopting motorized motions, rotate clutch handle and make the jaw clutch combination, operate the main control handle, after being installed in the firm interior decelerator deceleration of motor of wheel, driving trailing wheel and rotate walking by inside.
4. fixed point turns to, and respectively makes the direction reverse motions by electronic-controlled installation control left and right wheels when turning to, and makes wheelchair can do 360 degree original place rotations, can be in the indoor room of walking flexibly and easily, come in and go out; Outdoor can the walking easily between garden trail and alleyway, lane.
5. on the drive wheel rims friction brakes is set, by the brake handle on the handrail of left side, stop in deceleration, fast braking and ramp in the control walking.
6. in order to prevent wheelchair when going up a slope walking, wheelchair turns over after occurring, and is provided with the hypsokinesis safety wheel at the wheelchair rear portion, guarantees can both walk safely under the various road conditions.
7. the lower extremity movement device can be dismantled easily, and by motor after high speed ratio speed reducer slows down, drive footboard and make mild circular motion, carry out activity exercise thereby drive lower limb.
8. wheelchair is collapsible, and it is easy to carry to go out.
4. description of drawings
Fig. 1 is the lateral plan that has the portable electricity/manual wheelchair of lower extremity movement rehabilitation device of the present utility model;
Fig. 2 is that the vehicle frame front that has the portable electricity/manual wheelchair of lower extremity movement rehabilitation device of the present utility model is figure;
Fig. 3 is the view behind the vehicle frame folding of the portable electricity/manual wheelchair that has a lower extremity movement rehabilitation device of the present utility model;
Fig. 4 is the lower extremity movement Unit Installation sketch map that has the portable electricity/manual wheelchair of lower extremity movement rehabilitation device of the present utility model;
Wherein:
Wheelchair 1 vehicle frame 11 wheels 12 driving devices 13
Lower extremity movement device 2 longitudinal rods 111 electric devices 131 hand drive circles 132
Clutch handle 133 electronic-controlled installations 3 forks 21 connecting rods 22
Pedal 23 rocking arms 24 change speed gear boxes 25 motors 26
Base 27 fixed mounts 28 hook portion 29 draw rings 210
Clutch 1314 brakes 4 back-rests 112 entablatures 113
Upper left crossbeam 1131 upper right crossbeam 1132 positive stop lug boss 1133 limited impressions 1134
Sill 114 lower-left crossbeams 1141 bottom right crossbeams 1142 traces 115
Support bar 116 upper booms 1161 lower beams 1162 holes 1163
Hold-down screw 1164 driving wheels 121 directive wheels 122 hypsokinesis safety wheel 123
Hangers 1111 pin-and-holes 1112 bi-directional braking handles 41
Electronic-controlled installation handle 31 voltage-regulation valves 32
5. the specific embodiment
Below in conjunction with accompanying drawing technique scheme of the present utility model is further described; Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, showed a kind of portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device among Fig. 1, comprise: the wheelchair of forming by vehicle frame 11, wheel 12 and driving device 13 1, the both sides that one lower limb telecontrol equipment 2, this lower extremity movement device 2 can be installed on wheelchair frame 11 the place aheads with unloading have on the longitudinal rod 111 of top rake; Described lower extremity movement device 2 comprises: the fork 21 that is movably connected on the preceding entablature of wheelchair frame, the hinged connecting rod 22 in the lower end of fork 21, the affixed pedal 23 of the other end of connecting rod 22,23 times hinged rocking arms 24 of pedal; rocking arm 24 other end pivots connect turbine change speed gear box 25 output shafts; change speed gear box 25 input termination motors 26; described motor 26, change speed gear box 25 are fixed on the base 27; be fixed with fixed mount 28 in the both sides of base 17; upper end of fixed mount 28 is a hook portion 29, are provided with the flexible fastening pin 211 that the lower end has draw ring 210 in the lower end of fixed mount 19; Be provided with on the side of the longitudinal rod 111 of the front end of vehicle frame 11 and the hook portion 29 of fixed mount 28 hangers 1111 of fastener mutually, the bottom of longitudinal rod is a circular cylindrical shape pin-and-hole 1112 of packing into for the elasticity steady pin.Rocking arm 24 and footboard 23 are for hinge connects, and the other end of pedal 23 is connected with connecting rod 22, fork 21, and be parallel to the ground all the time when making circular motion to guarantee pedal; Be provided with seat belt on the footboard, prevent that both feet break away from footboard when motion exercise.
Referring to Fig. 4, when lower extremity movement device 2 is installed, the hook portion 29 of both sides fixed mount 28 upper ends of telecontrol equipment 2 is hung on the hangers 1111 simultaneously, the longitudinal rod 111 of fixed mount 28 and vehicle frame by after putting down, is spurred draw ring 210 then flexible fastening pin 211 is entered in the pin-and-hole 1112, unclamp and draw also, steady pin just enters in the pin-and-hole of vehicle frame lower end, fixedly finishes, during dismounting, anti-operation in tandem is carried out, and has conveniently advantage.The lower extremity movement device after worm reducer slows down, drives footboard work 360 and spends circular motion by power transmission shaft with dc source actuation movement motor, and the two limbs of drive patient are made forced movement and taken exercise, and makes the muscle of pair limbs and joint obtain suitable activity exercise; In the time need not carrying out motion exercise, can spur draw ring, make steady pin break away from longitudinal rod, take off the lower extremity movement device, replace with the wheelchair footboard and get final product.
Driving device 13 comprises hand drive circle 132, electric device 131 and clutch handle 133; Described electric device 131 comprises: described electric device comprises: an accumulator 1311 that is arranged under the seat cushions connects direct current generator 1312, the outfan connection reducer 1313 of direct current generator 1312, the output termination clutch 1314 of decelerator 1313, described motor, decelerator, clutch are located in the driving wheel wheel hub.
During the employing motorized motions, rotation clutch handle 133 makes jaw clutch 1314 combinations, and operation main control handle after the decelerator deceleration of motor by inside that is installed in the wheel hub, drives trailing wheel rotation walking.When not needing when electronic, as long as the clutch handle 133 on the rotation driving wheel wheel hub separates jaw clutch 24, be manual state this moment, with 132 walkings of the hand drive circle on the hands rotating-wheel.
This rehabilitation convertible car has been installed electronic-controlled installation 3 at the right armrest place, the work of the driving of wheelchair 1 and lower extremity movement device 2 is all by this device control, the patient is according to self-demand, by electronic-controlled installation handle 31 can control easily and regulate wheelchair actuating speed, the direction of motion, turn to and the movement velocity of lower extremity movement device, the top panel of electronic-controlled installation has the voltage display window, the running voltage that reflects motor intuitively, there is voltage-regulation valve 32 at the electronic-controlled installation rear portion, can change the running voltage of motor and changes the output of each motor; At the left side arm rest bi-directional braking handle 41 has been installed, the patient can carry out the deceleration or the braking of wheelchair at the volley easily; When not needing when electronic, as long as the clutch handle 133 on the rotation driving wheel wheel hub separates jaw clutch 1314, be manual state this moment, realize the hand drive walking with the driving circle on the hands rotating-wheel.
Referring to Fig. 2,3, showed the cuboid frame structure of the vehicle frame 11 that can fold among the figure; Two vertical limits of the back of this cuboid frame structure extend upward the back-rest 112 that constitutes vehicle frame; Four parallel edges of the level on the front and back of this cuboid framework constitute two entablatures 113 and two sills 114 respectively; Described entablature 113 constitutes by 1131,1,132 two sections of left and right entablatures are hinged, pin joint is the intermediate point of entablature, the hinged end of wherein upper right crossbeam 1132 and upper left crossbeam 1131 crossbeam left extends beyond 1/2 of crossbeam length overall, on the extension of upper right crossbeam 1132, be provided with the folding positive stop lug boss 1133 of restriction crossbeam downwards, and on upper left crossbeam, be provided with the folding limited impression 1134 that matches with described positive stop lug boss 1133 of restriction crossbeam downwards; Described sill 114 is made of the hinged left and right sill 1141,1142 in centre; Be respectively equipped with a trace 115 and two support bars that can stretch 116 on the front and back of this cuboid framework, the two ends of described trace 115 are hinged on respectively on the middle pin joint of upper and lower crossbeam; And the middle pin joint of entablature 113 and the hinged respectively support bar that can stretch 116 of the two-end-point of sill 114; Described telescopic support bar 116 is made of upper boom 1161 and lower beam 1162, respectively has a hole 1163 on two bars, and wherein at least one hole is a slotted hole, and two bars are stacked, and two bars are fixed in the hole that a hold-down screw 1164 passes on two bars.Can be thereby constitute to the folding cuboid frame structure in centre.
This wheelchair also comprises a friction brakes 4, is arranged on driving wheel 121 wheel rims; One is installed in the bi-directional braking handle of left side arm rest, is connected with brake by steel wire rope, and mode of braking is the outer contacting friction-type, and braking is steadily efficient, maximum braking distance 0.5m; The patient pulls brake handle at the volley can carry out the deceleration or the braking of wheelchair easily.
The described wheel 12 of driving wheel 121, directive wheel 122 that comprises further comprises the hypsokinesis safety wheel 123 that is located at the setting of both sides, wheelchair 1 rear portion.Wheelchair can prevent to turn over after wheelchair from taking place when going up a slope, and its max. climb slope 20 degree guarantee can both walk safely under the various road conditions.
When using the wheelchair electric walking, the patient occupies stably on wheelchair, with hands the clutch handle clockwise direction on the driving wheel wheel hub is rotated, make the jaw clutch combination, the joystick of operating electronic control device makes the work of motor energized then, drive driving wheel rotation walking, the speed of travel is according to self-demand, and by voltage-regulation or increase or reduce motor operating voltage and improve or reduce the speed of travel, the speed range of accommodation is 0.1～3.8km/h; The joystick of the steering operation electronic-controlled installation during walking turns to, advances and fall back about carrying out; When needs are manually walked, after cutting off the electricity supply by the microelectronics control device, clutch handle is rotated counterclockwise, jaw clutch is separated after, with the walking of hands rotating drive wheel driving moving-coil.
When going out to carry, only need take off lower extremity movement device or wheelchair footboard and accumulator, put forward the frame cross under the medicated cushion on then, wheelchair promptly closes up for 250mm is thick automatically by 700mm is wide, can put into homotype car trunks such as Jetta, Santana easily.
When needs utilize the lower extremity movement device to carry out the activity exercise, the patient occupies stably on wheelchair, both feet are placed on the footboard, and be fixed on the footboard reliably with seat belt, make motion motor work by the electronic-controlled installation joystick, drive footboard through worm reducer, rocking arm and make forced movement, to promote the lower limb blood circulation, prevent lower limb muscles atrophy and ankylosis, recover the motor function of lower limb gradually.
Claims (7)
1. have the portable electricity/manual wheelchair of lower extremity movement rehabilitation device, comprising: by the wheelchair that vehicle frame, wheel and driving device are formed, a lower limb telecontrol equipment is characterized in that:
The both sides that described lower extremity movement device can be installed on wheelchair frame the place ahead with unloading have on the longitudinal rod of top rake;
It also comprises the electronic-controlled installation of a control wheelchair operation, and this device is arranged on arm rest.
2. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 1, it is characterized in that: described lower extremity movement device comprises: the fork that is movably connected on the preceding entablature of wheelchair frame, the hinged connecting rod in the lower end of fork, the affixed pedal of the other end of connecting rod, hinged rocking arm under the pedal; rocking arm other end pivot connects output shaft of gear-box; change speed gear box input termination motor; described motor; change speed gear box is fixed on the base; the both sides at base are fixed with fixed mount; the upper end of fixed mount is the hook portion that has hanging hole is provided with the flexible fastening pin that the bottom has draw ring in the lower end of fixed mount; Be provided with on the side of the longitudinal rod of the front end of vehicle frame and the hook portion of the fixed mount hangers of fastener mutually, the bottom of longitudinal rod is provided with a pin-and-hole that inserts for the elasticity steady pin.
3. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 1, it is characterized in that: described driving device comprises hand gear and electric device; Described hand gear is the hand drive circle; Described electric device comprises: an accumulator that is arranged under the seat cushions connects direct current generator, the outfan connection reducer of direct current generator, and the output termination clutch of decelerator, described motor, decelerator, clutch are located in the driving wheel wheel hub.
4. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 1 is characterized in that: the cuboid frame structure of described vehicle frame for folding;
Two vertical limits of the back of this cuboid frame structure extend upward the back-rest that constitutes vehicle frame;
Four parallel edges of the level on the front and back of this cuboid framework constitute two entablatures and two sills respectively;
Described entablature constitutes by two sections of left and right entablatures are hinged, pin joint is the intermediate point of entablature, the hinged end of wherein upper right crossbeam and upper left crossbeam crossbeam left extends beyond 1/2 of crossbeam length overall, on the extension of upper right crossbeam, be provided with the folding positive stop lug boss of restriction crossbeam downwards, and on upper left crossbeam, be provided with the folding limited impression that matches with described positive stop lug boss of restriction crossbeam downwards;
Described sill is made of the hinged left and right sill in centre;
Be respectively equipped with a trace and two support bars that can stretch on the front and back of this cuboid framework, the two ends of described trace are hinged on respectively on the middle pin joint of upper and lower crossbeam; And the middle pin joint of entablature and the hinged respectively support bar that can stretch of the two-end-point of sill; Can be thereby constitute to the folding cuboid frame structure in centre.
5. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 4, it is characterized in that: described telescopic support bar is made of upper boom and lower beam, two bars have a hole on each, wherein at least one hole is a slotted hole, two bars are stacked, and two bars are fixed in the hole that a hold-down screw passes on two bars.
6. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 1 is characterized in that: describedly constitute wheel by driving wheel, directive wheel and further comprise and be located at the hypsokinesis safety wheel that both sides, wheelchair rear portion are provided with.
7. the portable electricity/manual wheelchair that has the lower extremity movement rehabilitation device according to claim 1, it is characterized in that: it also comprises a friction brakes, described brake is arranged on the drive wheel rims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229827 CN2482401Y (en) | 2001-07-05 | 2001-07-05 | Portable electric/hand operated wheeled chair with lower-limb exercise recovery apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01229827 CN2482401Y (en) | 2001-07-05 | 2001-07-05 | Portable electric/hand operated wheeled chair with lower-limb exercise recovery apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2482401Y true CN2482401Y (en) | 2002-03-20 |
Family
ID=33644599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01229827 Expired - Fee Related CN2482401Y (en) | 2001-07-05 | 2001-07-05 | Portable electric/hand operated wheeled chair with lower-limb exercise recovery apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2482401Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358599C (en) * | 2002-11-08 | 2008-01-02 | 肯尼斯·欧文·里查德森 | Exercising device |
| CN104027945A (en) * | 2013-08-26 | 2014-09-10 | 齐永喜 | Health care and rehabilitation car for hemiplegic patient |
| CN105030442A (en) * | 2015-09-06 | 2015-11-11 | 郜鹏 | Lower limb rehabilitation wheelchair |
| CN108606879A (en) * | 2018-04-25 | 2018-10-02 | 宁波蒙曼生物科技有限公司 | A kind of electric wheelchair |
| CN111035512A (en) * | 2019-12-13 | 2020-04-21 | 王文悦 | Multifunctional wheelchair bed |
-
2001
- 2001-07-05 CN CN 01229827 patent/CN2482401Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100358599C (en) * | 2002-11-08 | 2008-01-02 | 肯尼斯·欧文·里查德森 | Exercising device |
| CN104027945A (en) * | 2013-08-26 | 2014-09-10 | 齐永喜 | Health care and rehabilitation car for hemiplegic patient |
| CN105030442A (en) * | 2015-09-06 | 2015-11-11 | 郜鹏 | Lower limb rehabilitation wheelchair |
| CN108606879A (en) * | 2018-04-25 | 2018-10-02 | 宁波蒙曼生物科技有限公司 | A kind of electric wheelchair |
| CN111035512A (en) * | 2019-12-13 | 2020-04-21 | 王文悦 | Multifunctional wheelchair bed |
| CN111035512B (en) * | 2019-12-13 | 2021-08-31 | 王文悦 | Multifunctional wheelchair bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020320 |