CN105434121B - Electric stair climbing wheelchair - Google Patents
Electric stair climbing wheelchair Download PDFInfo
- Publication number
- CN105434121B CN105434121B CN201510966200.7A CN201510966200A CN105434121B CN 105434121 B CN105434121 B CN 105434121B CN 201510966200 A CN201510966200 A CN 201510966200A CN 105434121 B CN105434121 B CN 105434121B
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- Prior art keywords
- wheel
- driving wheel
- electric
- wheelchair
- tooth
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- 230000009194 climbing Effects 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000474 nursing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000219098 Parthenocissus Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
- A61G5/061—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps for climbing stairs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/34—Specific positions of the patient sitting
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention relates to an electric stair climbing wheelchair. The electric stair climbing wheelchair comprises a frame, armrests, a driving wheel, a driving motor, a steering wheel and a steering wheel controller. A driving wheel stair climbing mechanism comprises a tooth ring, a telescopic tooth electric push rod, telescopic teeth, a hub connecting flange, an eccentric circle, a limiting plate and a shaft sleeve. The tooth ring is installed on the inner side of a hub of the driving wheel through a connecting angle. Telescopic holes are machined in the tooth ring and evenly distributed in the tooth ring, and the telescopic teeth are installed in the telescopic holes of the tooth ring. The eccentric circle is installed on a motor shaft of the driving motor and limited by the limiting plate and the shaft sleeve. A lifting auxiliary wheel mechanism comprises an auxiliary wheel carrier, a shear type telescopic frame, an electric push rod, a lower guide rod, an auxiliary wheel, an upper guide rod and an auxiliary wheel. The driving wheel can better exert climbing driving force through the telescopic teeth to drive the stair climbing wheelchair to finish stair climbing operation, the electric wheelchair has the upstairs going, downstairs going and normal ride-instead-of-walk driving functions, the problem that old people or people unable to move freely drive the wheelchair and go upstairs and downstairs alone is solved, and the use performance and safety of the electric stair climbing wheelchair are improved.
Description
Technical field
Patent of the present invention belongs to machinery and electric vehicle technical field, is related to a kind of electric stairs-climbing wheelchair.
Background technology
Wheelchair is that legs and feet have the disabled, walking-replacing tool of the people of inconvenient walking.In the wheelchair for using at present, there is manpower to drive
And power driven, the wheelchair of these forms, in the less ground run of the flat or gradient, is the technology of comparative maturity.Existing skill
Five-pointed star in art is wheeled, track type climbing-building wheelchair can solve to take the people of wheelchair together with wheelchair together upper asking downstairs substantially
Topic, but there are some defects.People is needed to push, draw when on the wheeled stair-climbing wheel chair of five-pointed star downstairs, thus stability is poor, safety coefficient
It is low.Need nursing staff to shift at stairs port wheelchair onto when on track type climbing-building wheelchair downstairs, then operate stepper motor, control is carried out
The motion of band.Track type climbing-building wheelchair volume is big and heavy, is more expensive to manufacture, and nursing staff is needed by certain training ability
Skilled operation.
The A applications for a patent for invention of Publication No. CN 102805692 disclose " a kind of electric stairs-climbing wheelchair, point nursing type and from
Drive type., loaded on the vehicle frame between front wheels and rear wheels, front-wheel is loaded on seat, after trailing wheel is loaded on for its crawler travel and drive mechanism
On wheel elevating mechanism, seat is hinged with vehicle frame, and seat balanced controls are hinged with seat support, and trailing wheel elevating mechanism cuts with scissors with vehicle frame
Connect, accumulator cell assembly is connected by controlling organization with crawler travel motor, seat balance motor and trailing wheel lifting motor, and this three
The clutch end of individual motor is lifted by respective transmission mechanism with creeper undercarriage, seat balanced controls and trailing wheel respectively
Mechanism is connected ".The patent application improves nursing type stair-climbing wheel chair, and self-driving type stair-climbing wheel chair is increased again.But the patent
Application is still for crawler type is not easy to people's handled by itself and traveling by bus.
The content of the invention
It is an object of the invention to provide a kind of electric stairs-climbing wheelchair, there is electric wheelchair and climb building and traveling of normally riding instead of walk
Function, solves the problems, such as that the elderly or handicapped person travel alone and stair activity, improves the usability of electric stairs-climbing wheelchair
Energy and security.
The technical scheme is that：Electric stairs-climbing wheelchair, including vehicle frame, handrail, driving wheel, motor, deflecting roller
With deflecting roller controller.Motor is connected by transmission mechanism with driving wheel, and deflecting roller is connected to vehicle frame by turning to wheel carrier
Front portion.Wheelchair is provided with driving wheel Climbing building device and lifting auxiliary wheel mechanism.Driving wheel Climbing building device includes tooth circle, flexible tooth electricity
Dynamic push rod, flexible tooth, wheel hub adpting flange, off-centre operation, limiting plate and axle sleeve.Tooth circle is connected to driving wheel hub by joint angle
Inner side.Tooth circle is provided with telescopic hole, and flexible tooth is uniformly distributed on tooth circle.Off-centre operation is arranged on the motor of motor
It is spacing by limiting plate and axle sleeve on axle.Flexible tooth electric pushrod is arranged on vehicle frame, and is connected with off-centre operation.Stretch the interior of tooth
End is contacted with off-centre operation, and flexible tooth is connected by back-moving spring with wheel hub adpting flange.Lifting auxiliary wheel mechanism includes auxiliary wheel
Frame, scissor angle adjustable frame, electric pushrod, lower guide rod, top guide bar and auxiliary wheel.Scissor angle adjustable frame top is connected with top guide bar, bottom
It is connected with lower guide rod, top guide bar is connected with vehicle frame, lower guide rod is connected with auxiliary wheel carrier.Electric pushrod top is connected with top guide bar,
Bottom is connected with lower guide rod.
Lifting auxiliary wheel mechanism is provided with upper limit plate and lower limiting board, it is ensured that the strong point is not inclined when auxiliary wheel support is flexible
The heart.Driving wheel is left driving wheel and right driving wheel, and motor is left driving motor and right driving motor, left driving motor with it is left
Driving wheel is connected, and right driving motor is connected with right driving wheel.Electric stairs-climbing wheelchair is provided with switch of inclination, and switch of inclination is arranged on car
Frame.Strip hole is provided with off-centre operation, strip hole is horizontally disposed, before and after making off-centre operation under the promotion of electric pushrod along driving axis
Move horizontally.
Flexible tooth uses scalable type structure, and in the case where building pattern is climbed, flexible tooth is pushed away extends the cylindrical outside of driving wheel
Participate in drive, downstairs or level road pattern under be then recovered to driving wheel it is cylindrical in.Same plane in tooth circle is provided with bias
Circle, the interior end in contact of the cylindrical and flexible tooth of off-centre operation is simultaneously connected with electric pushrod.Driven using electric putter, by switch of inclination control
The scalable auxiliary wheel system of system, level during on stair-climbing wheel chair downstairs is automatically adjusted.Scissors pattern expansion bracket can either
By expansion bracket arrangement of mechanism in narrow space, making the auxiliary wheel expansion bracket have larger stroke again.
Two driving wheels respectively have a motor to drive respectively.Electric stairs-climbing wheelchair can voluntarily be grasped by wheelchair person
Make, can also be operated by other people.Electric stairs-climbing wheelchair is usually the same also like other common electric wheelchairs in addition to building function is climbed
Used as the walking-replacing tool of driven by power.
Electric stairs-climbing wheelchair of the present invention is the driving wheel Climbing building device of primary structure by the tooth that stretches, and enables driving wheel more
Driving force of climbing is played well, drives stair-climbing wheel chair to complete to climb building operation, there is electric wheelchair and climb building and normal traveling of riding instead of walk
Function, solve the problems, such as that the elderly or handicapped person travel alone and stair activity, improving electric stairs-climbing wheelchair makes
With performance and security.
Brief description of the drawings
Fig. 1 is the structural representation of electric stairs-climbing wheelchair of the present invention；
Fig. 2 is the A of Fig. 1 to figure；
Fig. 3 is the driving wheel schematic diagram of electric stairs-climbing wheelchair；
Fig. 4 schemes for the A-A of Fig. 3；
Fig. 5 is the structure chart of the scalable auxiliary wheel system of electric stairs-climbing wheelchair；
Fig. 6 is the B of Fig. 5 to figure.
Wherein：
1-flexible tooth electric pushrod, 2-deflecting roller controller, 3-switch of inclination, 4-controller, 5-left driving wheel,
6-left driving motor, 7-lifting auxiliary wheel mechanism, 8-right driving motor, 9-right driving wheel, 10-tire, 11-tooth circle,
12-deflecting roller, 13-flexible tooth, 14-off-centre operation, 15-motor axle, 16-joint angle, 17-back-moving spring, 18-
Wheel hub adpting flange, 19-3 auxiliary wheel carriers, 20-scissor angle adjustable frame, 21-electric pushrod, 22-lower guide rod, 23-auxiliary wheel,
24-vehicle frame, 25-top guide bar, 26-upper limit plate, 27-lower limiting board, 28-turn to wheel carrier, 29-backrest, 30-handrail,
31-limiting plate, 32-wheel hub, 33-axle sleeve.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in detail.The scope of the present invention is not limited to embodiment,
Those skilled in the art make any change in the range of claim restriction and fall within the scope of protection of the invention.
Electric stairs-climbing wheelchair of the present invention as shown in Figure 1 and Figure 2, including vehicle frame 24, handrail 30, switch of inclination 3, left driving wheel
5th, right driving wheel 9, left driving motor 6, right driving motor 8, deflecting roller 12, driving wheel Climbing building device, lifting auxiliary wheel mechanism 7 and
Deflecting roller controller 2.Motor is connected by transmission mechanism with driving wheel, and deflecting roller is connected to vehicle frame by turning to wheel carrier 28
Front portion.Left driving motor is connected with left driving wheel, and right driving motor is connected with right driving wheel.Switch of inclination is arranged on vehicle frame
24.As shown in Figure 3, Figure 4, driving wheel Climbing building device includes tooth circle 11, flexible tooth electric pushrod 1, flexible tooth 13, wheel hub connection method
Blue 18, off-centre operation 14, limiting plate 31 and axle sleeve 33.Tooth circle is connected to the inner side of driving wheel hub 32, tooth circle by joint angle 16
Telescopic hole is provided with, 15 flexible teeth are distributed on tooth circle.Off-centre operation is arranged on the motor shaft 15 of motor, by limit
Position plate 31 and axle sleeve 33 are spacing.Flexible tooth electric pushrod is arranged on vehicle frame, and be connected with off-centre operation, the inner and bias of flexible tooth
Circle contact, flexible tooth is connected by back-moving spring 17 with wheel hub adpting flange 18.As shown in Figure 5, Figure 6, auxiliary wheel mechanism is lifted
Including auxiliary wheel carrier 19, scissor angle adjustable frame 20, electric pushrod 21, lower guide rod 22, top guide bar 25 and auxiliary wheel 23.Scissor angle adjustable frame
Top is connected with top guide bar, and bottom is connected with lower guide rod, and top guide bar is connected with vehicle frame, and lower guide rod is connected with auxiliary wheel carrier.It is electronic
Push rod top is connected with top guide bar, and bottom is connected with lower guide rod.Lifting auxiliary wheel mechanism is provided with upper limit plate 26 and lower limiting board
27, it is ensured that the strong point is not eccentric when auxiliary wheel support is flexible.
Flexible tooth uses scalable type structure, and in the case where building pattern is climbed, flexible tooth is pushed away stretches the cylindrical outside ginseng of driving wheel
With driving, downstairs or level road pattern under be then recovered to driving wheel it is cylindrical in.Tooth circle is placed in the inner side of wheel, and uses joint angle
It is connected with wheel hub.Tooth circle radial equipartition is provided with square hole, and the tooth that stretches is arranged in square hole.Tooth circle and flexible tooth turn with wheel
It is dynamic.Same plane in tooth circle is provided with off-centre operation, and the interior end in contact of the cylindrical and flexible tooth of off-centre operation simultaneously connects with electric pushrod
Connect.Strip hole is provided with off-centre operation, strip hole is horizontally disposed, before and after making off-centre operation under the promotion of electric pushrod along driving axis
Move horizontally.Electric stairs-climbing wheelchair is driven using electric putter, and scalable auxiliary wheel system is controlled by switch of inclination, is automatically adjusted and is climbed
Level when on clambing wheel chair downstairs.Scissors pattern expansion bracket can either be by expansion bracket arrangement of mechanism in narrow space, and energy
Auxiliary wheel expansion bracket is set to have larger stroke.
Electric stairs-climbing wheelchair of the present invention has three kinds of mode of operations, i.e. level road pattern, climbs building pattern and downstairs pattern.(1) upstairs
When, by electric stairs-climbing wheelchair dorsad stair and it is selected climb building pattern, flexible tooth is pushed into by driving wheel by flexible tooth push rod backward
The outside of outer ring simultaneously rotates with driving wheel.In driving wheel back rotation, flexible tooth is overlapped on the upper plane of stairway step, drives
Stair-climbing wheel chair is moved upwards.While stair-climbing wheel chair is moved upwards, tilt adjustment contracting auxiliary wheel of the switch of inclination 3 according to wheelchair
Electric pushrod 21 on 23, pushes away（Or draw）Dynamic scissor angle adjustable frame 20, makes stair-climbing wheel chair be in horizontality all the time.User only needs
Device 4 is manipulated by complete to climb building operation.(2) selected pattern downstairs when downstairs, stair-climbing wheel chair will be with direction one downstairs when downstairs
Cause.Under pattern downstairs, driving wheel need not stretch tooth driving, and flexible tooth is placed in the inside of driving wheel outer ring.Only according to wheel
The angled state of chair, electric pushrod 21 is adjusted by switch of inclination 3 and is pushed away at any time,（Or draw）Dynamic scissor angle adjustable frame, makes stair-climbing wheel chair
In horizontality.Wheelchair user completes downstairs to operate by need to only manipulating controller.(3) when arrival landing needs to turn
To or when being travelled on level road, stair-climbing wheel chair is set as level road pattern, stretch tooth and auxiliary wheel expansion bracket quilt during level road pattern
Pack up, be no longer participate in work.Then the electric stairs-climbing wheelchair is operated with as other electric wheelchairs, i.e., by operating control
Device processed 4, the various operations such as is advanced, retreated or is turned to electric stairs-climbing wheelchair.
Claims (5)
1. a kind of electric stairs-climbing wheelchair, including vehicle frame（24）, handrail（30）, driving wheel, motor, deflecting roller（12）And steering
Wheel controller（2）, the motor is connected by transmission mechanism with driving wheel, and the deflecting roller is by turning to wheel carrier（28）Even
It is connected to the front portion of vehicle frame；It is characterized in that：The wheelchair is provided with driving wheel Climbing building device and lifting auxiliary wheel mechanism（7）；The drive
Driving wheel Climbing building device includes tooth circle（11）, flexible tooth electric pushrod（1）, flexible tooth（13）, wheel hub adpting flange（18）, off-centre operation
（14）, limiting plate（31）With axle sleeve (33)；The tooth circle passes through joint angle（16）It is connected to driving wheel hub（32）Inner side；Tooth
Circle is provided with telescopic hole, and the telescopic hole is evenly distributed on tooth circle；Off-centre operation is arranged on the motor shaft of motor（15）On,
By limiting plate（31）It is spacing with axle sleeve (33)；The flexible tooth electric pushrod is arranged on vehicle frame, and is connected with off-centre operation；It is described
The inner of flexible tooth contacts with off-centre operation, and the tooth that stretches passes through back-moving spring（17）It is connected with wheel hub adpting flange；The lifting is auxiliary
Zhu Lun mechanisms include auxiliary wheel carrier（19）, scissor angle adjustable frame（20）, electric pushrod（21）, lower guide rod（22）, top guide bar（25）With
Auxiliary wheel（23）；The scissor angle adjustable frame top is connected with top guide bar, and bottom is connected with lower guide rod；The top guide bar connects with vehicle frame
Connect, lower guide rod is connected with auxiliary wheel carrier；The electric pushrod top is connected with top guide bar, and bottom is connected with lower guide rod.
2. electric stairs-climbing wheelchair according to claim 1, it is characterized in that：The lifting auxiliary wheel mechanism is provided with upper limit plate
（26）And lower limiting board（27）.
3. electric stairs-climbing wheelchair according to claim 1, it is characterized in that：The driving wheel is left driving wheel（5）With right drive
Driving wheel（9）, the motor is left driving motor (6) and right driving motor（8）, left driving motor is connected with left driving wheel,
Right driving motor is connected with right driving wheel.
4. electric stairs-climbing wheelchair according to claim 1, it is characterized in that：The wheelchair is provided with switch of inclination（3）, it is described to incline
Angle switch is arranged on vehicle frame（24）.
5. electric stairs-climbing wheelchair according to claim 1, it is characterized in that：The off-centre operation（14）Strip hole is inside provided with, it is long
Bar hole horizontal is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966200.7A CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966200.7A CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105434121A CN105434121A (en) | 2016-03-30 |
| CN105434121B true CN105434121B (en) | 2017-05-17 |
Family
ID=55545069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966200.7A Active CN105434121B (en) | 2015-12-22 | 2015-12-22 | Electric stair climbing wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105434121B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260425A (en) * | 2017-06-14 | 2017-10-20 | 中国地质大学（武汉） | Manual stair-climbing wheel chair |
| CN109124910B (en) * | 2018-09-20 | 2023-01-24 | 佛山科学技术学院 | A shock-absorbing wheelchair |
| CN110236810B (en) * | 2019-06-17 | 2020-09-04 | 南京林业大学 | Electric wheelchair convenient to hinder more |
| CN112744281A (en) * | 2019-10-31 | 2021-05-04 | 张效琪 | Electric baby carriage and baby carriage with elastic main wheel provided with crawler-type front guide wheel and rear auxiliary wheel and capable of being mounted on bus |
| US12048656B2 (en) | 2020-07-30 | 2024-07-30 | Toyota Motor North America, Inc. | Support devices including movable segments and methods for operating the same |
| CN112842721B (en) * | 2021-01-06 | 2023-02-03 | 中山市康政医疗器材有限公司 | Electric wheelchair convenient for going upstairs and downstairs |
| CN112874676B (en) * | 2021-02-04 | 2022-02-01 | 安徽小龙仔儿童用品有限公司 | Rollover-prevention children's carriage and using method thereof |
| CN112754793B (en) * | 2021-02-06 | 2024-10-11 | 武汉科技大学 | An electric wheelchair |
| CN113397847B (en) * | 2021-06-15 | 2022-12-16 | 上海工程技术大学 | Auxiliary wheelchair obstacle crossing device and obstacle crossing wheelchair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201179156Y (en) * | 2007-12-26 | 2009-01-14 | 长春市东方票证印务有限责任公司 | Electric wheelchair capable of automatically walking up and down the stairs |
| WO2013045719A1 (en) * | 2011-09-28 | 2013-04-04 | Piqueras Ceballos Daniel | Mechanism for lifting vehicles up stairs |
| CN103230319A (en) * | 2013-05-08 | 2013-08-07 | 河北工业大学 | Wheelchair seat position and posture adjusting mechanism |
| CN104161631A (en) * | 2014-08-02 | 2014-11-26 | 吴翰威 | Wheel chair allowing the disabled to go upstairs conveniently |
| CN104224464A (en) * | 2013-06-09 | 2014-12-24 | 钱诗艺 | Power seat with function of climbing steps |
| CN204233309U (en) * | 2014-10-25 | 2015-04-01 | 管中林 | Multifunctional wheelchair wheel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380618B2 (en) * | 2005-02-22 | 2008-06-03 | Gamma Two, Inc. | Stair climbing platform apparatus and method |
-
2015
- 2015-12-22 CN CN201510966200.7A patent/CN105434121B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201179156Y (en) * | 2007-12-26 | 2009-01-14 | 长春市东方票证印务有限责任公司 | Electric wheelchair capable of automatically walking up and down the stairs |
| WO2013045719A1 (en) * | 2011-09-28 | 2013-04-04 | Piqueras Ceballos Daniel | Mechanism for lifting vehicles up stairs |
| CN103230319A (en) * | 2013-05-08 | 2013-08-07 | 河北工业大学 | Wheelchair seat position and posture adjusting mechanism |
| CN104224464A (en) * | 2013-06-09 | 2014-12-24 | 钱诗艺 | Power seat with function of climbing steps |
| CN104161631A (en) * | 2014-08-02 | 2014-11-26 | 吴翰威 | Wheel chair allowing the disabled to go upstairs conveniently |
| CN204233309U (en) * | 2014-10-25 | 2015-04-01 | 管中林 | Multifunctional wheelchair wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105434121A (en) | 2016-03-30 |
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Effective date of registration: 20210319 Address after: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee after: Li Qiannan Address before: 050006 no.182-4-3-502, Yuhua West Road, Shijiazhuang City, Hebei Province Patentee before: Jiao Jianmin |
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Effective date of registration: 20210929 Address after: 212000 no.297, Chuqiao Road, Dingmao, New District, Zhenjiang City, Jiangsu Province Patentee after: ZHENJIANG ASSURE MEDICAL EQUIPMENT Co.,Ltd. Address before: 102200 423, 4 / F, block a, Xinhua future city building, 175 Litang Road, Changping District, Beijing Patentee before: Li Qiannan |
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| TR01 | Transfer of patent right |