CN108619692A - A kind of ice-sports auxiliary wheelchair - Google Patents
A kind of ice-sports auxiliary wheelchair Download PDFInfo
- Publication number
- CN108619692A CN108619692A CN201810424100.5A CN201810424100A CN108619692A CN 108619692 A CN108619692 A CN 108619692A CN 201810424100 A CN201810424100 A CN 201810424100A CN 108619692 A CN108619692 A CN 108619692A
- Authority
- CN
- China
- Prior art keywords
- wheelchair
- steering motor
- friction
- lever bracket
- connect
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/14—Curling stone; Shuffleboard; Similar sliding games
-
- 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
- A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
- A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
- A61G5/043—Mid wheel drive
-
- 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
- A61G5/10—Parts, details or accessories
-
- 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
- A61G5/10—Parts, details or accessories
- A61G5/1051—Arrangements for steering
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0228—Sitting on the buttocks
- A63B2208/0233—Sitting on the buttocks in 90/90 position, like on a chair
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physical Education & Sports Medicine (AREA)
- Handcart (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The present invention relates to winter sports equipment technical fields,More particularly to a kind of ice-sports assist wheelchair,Including wheelchair,Wheelchair is internally provided with lever bracket,One end of lever bracket is connect with power wheel,The other end is connect with steering motor,It is provided with friction head in the rotation axis of steering motor,The lower end of friction head is provided with friction seat corresponding with rubbing surface,The lower end of friction seat is fixedly connected on tooth sector,Tooth sector turns to driven gear with four by synchronous belt and connect,The lower ends of four steering driven gears are fixedly connected with there are one deflecting roller,It is provided with electric pushrod between the cursor and wheelchair of lever bracket,The process of jettisoninging in normal curling to curling stone is simulated by the motion mode of controling wheelchair,Make disabled person that can also experience the curling experience slided together with curling stone,It can race in the same field simultaneously with normal curling fan.
Description
The application is application for a patent for invention《A kind of disabled person's curling auxiliary device》Divisional application.
The original bill applying date：2017-11-29.
Original bill application number：2017112337931.
Original bill denomination of invention：A kind of disabled person's curling auxiliary device
Technical field
The present invention relates to winter sports equipment technical fields more particularly to a kind of ice-sports to assist wheelchair.
Background technology
During disabled person's curling, entrant usually sits on wheelchair, holds stock, and curling stone is pushed using stock
Movement, while companion helps entrant to keep stablizing in two hand-pushing wheels for holding entrant's wheelchair below；And in normal ice
Pot movement in, entrant accelerates first, is slided later, at the same in taxiing procedures by hand to the speed of curling stone
It is adjusted with direction；Since the mode for throwing curling stone is different, the disabled person and normal person made can not race in the same field, simultaneously because
Be sitting in it is fixed on wheelchair, make disabled person can not experience slided together with curling stone curling experience.
Invention content
The present invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of ice-sports auxiliary wheelchair, pass through control wheel
The motion mode of chair simulates the process of jettisoninging to curling stone in normal curling, makes disabled person that can also experience and curling stone
The curling experience slided together, while can race in the same field with normal curling fan.
Technical scheme of the present invention：
A kind of ice-sports auxiliary wheelchair, including wheelchair, the wheelchair are internally provided with lever bracket, the middle part of lever bracket
It is connect with wheelchair by lever fixed seat, one end of the lever bracket is connect with power wheel, the other end and the steering electricity of lever bracket
Machine sliding block is slidably connected, and the steering motor sliding block is connect with steering motor, is provided with and is rubbed in the rotation axis of the steering motor
Rubbing head, the lower end of the friction head have the rubbing surface of cone, rubber friction pad, the centre of rubbing surface are provided on rubbing surface
Coaxial grooves are provided with, same shaft is provided in coaxial grooves, the lower end with shaft is provided with friction portion, and the outer surface in friction portion is circumferential
Several axial raised items are provided with, the lower end of the same shaft is provided with friction seat corresponding with rubbing surface, and rub seat
Lower end is fixedly connected on tooth sector, and tooth sector turns to driven gear with four by synchronous belt and connect, and four steerings are driven
Gear is arranged the quadrangle in wheelchair bottom, and the lower ends of four steerings driven gear are fixedly connected with that there are one deflecting roller, institutes
State and be provided with electric pushrod between the cursor of lever bracket and wheelchair, the both ends of electric pushrod be respectively adopted hinged and lever bracket and
Wheelchair connects.
Further, one end that the lever bracket is connect with power wheel is provided with power wheel plate, and the both ends of power wheel plate are equal
There are one power wheels for setting, and the rotation axis of two power wheels is connect by two fixed seats with power wheel plate, and two power
The rotation axis of wheel is all connected with there are one power turbin generator.
Further, one end that the lever bracket is connect with steering motor sliding block is provided with the link slot of U-shaped, link slot
It is both provided with sliding slot on two side arms, the both sides of the steering motor sliding block are respectively provided with there are one shank, described in shank is inserted into
Sliding slot in.
Further, steering motor shell, steering motor shell and steering motor are provided on the outside of the steering motor
Sliding block connects, and the lower end of the steering motor shell is connect by thrust bearing with friction head.
Beneficial effects of the present invention are：
1) present invention in wheelchair is internally provided with lever bracket, and one end of lever bracket is connect with power wheel, lever bracket it is another
End is slidably connected with steering motor sliding block, and steering motor sliding block is connect with steering motor, between the cursor and wheelchair of lever bracket
It is provided with electric pushrod, thus structure can separate steering operation and the operation accelerated of advancing, and be controlled by electric pushrod
The swing of lever bracket both may be implemented steering operation and accelerate operation then one and execute, and then simulates normal curling stone
The process for accelerating in movement and sliding keeps the process that disabled person throws curling stone identical as normal person.
2) friction head is provided in the rotation axis of steering motor of the invention, the lower end of friction head has the friction of cone
Face is provided with rubber friction pad on rubbing surface, and the centre of rubbing surface is provided with coaxial grooves, same shaft is provided in coaxial grooves, together
The lower end of shaft is provided with friction portion, and the outer surface in friction portion is circumferentially provided with several axial raised items, under shaft
End is provided with friction seat corresponding with rubbing surface, and the lower end for the seat that rubs is fixedly connected on tooth sector, after this structure is for accelerating
To the subtle adjustment process of angle in taxiing procedures, by being in contact for rubber friction pad and friction seat, formed on the contact surface
First rubbing surface, while rubber friction pad is squeezed is squeezed and is protruded towards friction portion, and being in contact with friction portion to form second and rub
Wiping face, the first rubbing surface ensure that transmit torque accuracy, the second rubbing surface improve damping force size avoid the occurrence of beat
Sliding phenomenon meets to turning to the demand of adjustment accuracy and stability in sliding, and then simulates in normal curling
Adjustment process.
3) tooth sector of the invention turns to driven gear with four by synchronous belt and connect, and four turn to driven gear and set
The quadrangle in wheelchair bottom is set, the lower end of four steering driven gears is fixedly connected with there are one deflecting roller, will by synchronous belt
Direction information is transferred to the driven gear of quadrangle, ensure that the steering of four deflecting rollers synchronizes, wheelchair in rotation process is made to carry out
Integral translation, avoiding rotating influences the observation of entrant, simulates normal curling person in taxiing procedures, and body is protected
Hold process that is motionless, and being adjusted by arm translation.
Description of the drawings
Fig. 1 is the overall structure diagram that a kind of ice-sports assist wheelchair；
Fig. 2 is the schematic cross-sectional view of Fig. 1；
Fig. 3 is the Section A-A schematic diagram in Fig. 1；
Fig. 4 is the friction head structural schematic diagram in Fig. 1；
In figure：1- wheelchairs；2- lever brackets；3- power wheels；4- steering motor sliding blocks；5- steering motors；6- friction heads；7- turns
To gear；8- turns to driven gear；9- deflecting rollers；10- electric pushrods；21- lever fixed seats；22- power wheel plates；23- connections
Slot；31- power turbin generators；51- steering motor shells；61- rubbing surfaces；62- rubber friction pads；63- coaxial grooves；The same shafts of 64-；
65- frictions portion；66- friction seats.
Specific implementation mode
Below with reference to attached drawing, the present invention is described in detail：
In conjunction with shown in Fig. 1 and Fig. 2, a kind of ice-sports auxiliary wheelchair disclosed in the present embodiment, including wheelchair 1, the wheel
Chair 1 is internally provided with lever bracket 2, and the middle part of lever bracket 2 is connect by lever fixed seat 21 with wheelchair 1, the lever bracket 2
One end is connect with power wheel 3, and the other end and the steering motor sliding block 4 of lever bracket 2 are slidably connected, the steering motor sliding block 4 with
Steering motor 5 connects, and friction head 6, cursor and the wheelchair 1 of the lever bracket 2 are provided in the rotation axis of the steering motor 5
Between be provided with electric pushrod 10, the both ends of electric pushrod 10 are respectively adopted hinged to be connect with lever bracket 2 and wheelchair 1.
It is rotated by 10 pull lever frame 2 of electric pushrod, power wheel 3 is made to be contacted with ground, at this time friction head 6 and steering tooth
Wheel 7 is detached from, and is accelerated by power wheel 3, and then the accelerator in simulated curling movement；Electric pushrod 10 pushes 2 turns of lever bracket
It is dynamic, so that power wheel 3 is disengaged with ground, at this time since lever bracket pulls steering motor sliding block 4, so drive friction head 6 to
Lower movement is contacted with tooth sector 7, is controlled and is turned to by steering motor 5, and then the adjustment in simulated curling movement in taxiing procedures
Process, thus structure by steering operation and advance accelerate operation separate, pass through the pendulum of 10 lever bridge 2 of electric pushrod
It is dynamic, realize steering operation with accelerate both operations then one and execute, keep the process of disabled person's throwing curling stone identical as normal person.
In conjunction with shown in Fig. 4, the lower end of the friction head 6 has the rubbing surface 61 of cone, and rubber is provided on rubbing surface 61
The centre of glue friction pad 62, rubbing surface 61 is provided with coaxial grooves 63, same shaft 64 is provided in coaxial grooves 63, under shaft 64
End is provided with friction portion 65, and the outer surface in friction portion 65 is circumferentially provided with several axial raised items, the same shaft 64
Lower end is provided with friction seat 66 corresponding with rubbing surface 61, and the lower end of friction seat 66 is fixedly connected on tooth sector 7；
This structure for after accelerating in taxiing procedures to the subtle adjustment process of angle, pass through rubber friction pad and friction seat
Be in contact, form the first rubbing surface on the contact surface, while rubber friction pad is squeezed, squeeze towards friction portion protrude,
It is in contact to form the second rubbing surface with friction portion, the first rubbing surface ensure that the accuracy for transmitting torque, the second rubbing surface improve
The size of damping force avoids the occurrence of slipping phenomenon, meets the demand to turning to adjustment accuracy and stability in sliding,
And then simulate the adjustment process in normal curling.
In conjunction with shown in Fig. 3, tooth sector 7 turns to driven gear 8 with four by synchronous belt and connect, four steering driven tooths
Wheel 8 is arranged in the quadrangle of 1 bottom of wheelchair, and the lower ends of four steerings driven gear 8 are fixedly connected with that there are one deflecting rollers 9；
Tooth sector 7 is turned to driven gear 8 with four by synchronous belt to connect, five gears is made to keep synchronizing,
Wheelchair carries out integral translation in rotation process, and entrant is made to remain positive alignment target, avoids the influence competition that rotates
The observation of person simulates normal curling person in taxiing procedures, and body remains stationary as, and is adjusted by arm translation
Process.
Specifically, one end that the lever bracket 2 is connect with power wheel 3 is provided with power wheel plate 22, and the two of power wheel plate 22
End is respectively provided with there are one power wheel 3, and the rotation axis of two power wheels 3 is connect by two fixed seats with power wheel plate 22, and
The rotation axis of two power wheels 3 is all connected with there are one power turbin generator 31.So that power wheel 3 is had the function of normal wheelchair wheel, leads to
The direction of rotation for crossing two power wheels 3 of control is turned to, and has the function of normal wheelchair when without curling, simultaneously
It can be with normal movement, portable propelling in curling.
Specifically, one end that lever bracket 2 is connect with steering motor sliding block 4 is provided with the link slot 23 of U-shaped, link slot 23
It is both provided with sliding slot on two side arms, the both sides of the steering motor sliding block 4 are respectively provided with there are one shank, described in shank is inserted into
Sliding slot in.
Specifically, the outside of the steering motor 5 is provided with steering motor shell 51, steering motor shell 51 and steering electricity
Machine sliding block 4 connects, and the lower end of the steering motor shell 51 is connect by thrust bearing with friction head 6.It avoids squeezing rubber
Pressure is excessive during friction pad 62, is had an impact to steering motor.
Above example is only to the exemplary description of this patent does not limit its scope of protection, people in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (1)
1. a kind of ice-sports assist wheelchair, including wheelchair (1), it is, the wheelchair (1) is internally provided with lever bracket
(2), the middle part of lever bracket (2) is connect by lever fixed seat (21) with wheelchair (1), one end of the lever bracket (2) and power
Take turns (3) connection, the other end and the steering motor sliding block (4) of lever bracket (2) be slidably connected, the steering motor sliding block (4) with turn
It is connected to motor (5), friction head (6), the lower end tool of the friction head (6) is provided in the rotation axis of the steering motor (5)
There is the rubbing surface (61) of cone, is provided with rubber friction pad (62) on rubbing surface (61), the centre of rubbing surface (61) is provided with
Coaxial grooves (63), coaxial grooves (63) are interior to be provided with same shaft (64), and the lower end of same shaft (64) is provided with friction portion (65), friction
The outer surface in portion (65) is circumferentially provided with several axial raised items, and the lower end of the same shaft (64) is provided with and rubbing surface
(61) lower end of corresponding friction seat (66), friction seat (66) is fixedly connected on tooth sector (7), and tooth sector (7) is by same
Step band turns to driven gears (8) with four and connect, and four turn to driven gears (8) settings in the quadrangle of wheelchair (1) bottom, described
Four lower ends for turning to driven gears (8) are fixedly connected with there are one deflecting roller (9), the cursor and wheel of the lever bracket (2)
Electric pushrod (10) is provided between chair (1), hinged and lever (2) and wheelchair (1) is respectively adopted in the both ends of electric pushrod (10)
Connection；Steering motor shell (51) is provided on the outside of the steering motor (5), steering motor shell (51) is slided with steering motor
Block (4) connects, and the lower end of the steering motor shell (51) is connect by thrust bearing with friction head (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424100.5A CN108619692B (en) | 2017-11-29 | 2017-11-29 | A kind of auxiliary wheelchair towards disabled person's curling |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711233793.1A CN107803006B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary device |
| CN201810424100.5A CN108619692B (en) | 2017-11-29 | 2017-11-29 | A kind of auxiliary wheelchair towards disabled person's curling |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711233793.1A Division CN107803006B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108619692A true CN108619692A (en) | 2018-10-09 |
| CN108619692B CN108619692B (en) | 2019-11-26 |
Family
ID=61581864
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424812.7A Active CN108635795B (en) | 2017-11-29 | 2017-11-29 | A kind of electric wheelchair for disabled person's curling auxiliary |
| CN201711233793.1A Expired - Fee Related CN107803006B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary device |
| CN201810424811.2A Active CN108619693B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary wheelchair |
| CN201810424100.5A Active CN108619692B (en) | 2017-11-29 | 2017-11-29 | A kind of auxiliary wheelchair towards disabled person's curling |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424812.7A Active CN108635795B (en) | 2017-11-29 | 2017-11-29 | A kind of electric wheelchair for disabled person's curling auxiliary |
| CN201711233793.1A Expired - Fee Related CN107803006B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary device |
| CN201810424811.2A Active CN108619693B (en) | 2017-11-29 | 2017-11-29 | A kind of disabled person's curling auxiliary wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108635795B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403212B (en) * | 2018-11-08 | 2021-06-01 | 青岛巨源建工集团有限公司 | Vibration pile driver is used in bridge construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051557A1 (en) * | 1997-05-09 | 1998-11-19 | John William Bagnall | A braking system for wheelchairs, wheeled walking frames and the like |
| US20050087957A1 (en) * | 2003-10-23 | 2005-04-28 | Bennett John E. | Riser seat and wheelchairs with same |
| CN1817333A (en) * | 2006-02-09 | 2006-08-16 | 谭正川 | Wheelchair-style walking device for moving on stairs |
| CN201968935U (en) * | 2011-03-01 | 2011-09-14 | 姚会平 | Hand-cranked wheel chair |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT381859B (en) * | 1985-07-15 | 1986-12-10 | Spofa Vereinigte Pharma Werke | ELECTRICALLY POWERED WHEELCHAIR FOR THE DISABLED |
| GB8905258D0 (en) * | 1989-03-08 | 1989-04-19 | Gavan Michael | Improvements relating to exercise equipment |
| CN2691548Y (en) * | 2004-03-18 | 2005-04-13 | 蔡昆宏 | Improved electric wheel chair |
| CN201036595Y (en) * | 2007-04-30 | 2008-03-19 | 武汉理工大学 | Wheelchair for invalids |
| CN201889065U (en) * | 2009-11-15 | 2011-07-06 | 王军 | Curling stone type bumper car |
| US8678114B1 (en) * | 2012-10-31 | 2014-03-25 | Brian K. Akre | Power wheelchair with guard for playing sports |
| CN204106380U (en) * | 2014-10-11 | 2015-01-21 | 王芸 | A kind of massaging wheel chair |
| CN105147467A (en) * | 2015-09-02 | 2015-12-16 | 澳斯卡（香港）国际有限公司 | Hand-cranking rehabilitation wheelchair |
| CN205569199U (en) * | 2015-11-17 | 2016-09-14 | 澳斯卡（香港）国际有限公司 | Recovered wheelchair of foot's training |
| CN205459436U (en) * | 2016-01-29 | 2016-08-17 | 北京动力京工科技有限公司 | Intelligent wheelchair in single house |
| CN106510985B (en) * | 2016-10-26 | 2018-06-19 | 北京理工大学 | A kind of rehabilitation based on master slave control and exoskeleton robot of riding instead of walk |
| CN106691720B (en) * | 2017-02-08 | 2018-07-06 | 佛山市通和医疗科技有限公司 | A kind of nursing section office leg reciprocating massage wheel chair |
| CN107157669B (en) * | 2017-05-10 | 2018-07-03 | 国家康复辅具研究中心 | A kind of wheelchair drive mechanism |
-
2017
- 2017-11-29 CN CN201810424812.7A patent/CN108635795B/en active Active
- 2017-11-29 CN CN201711233793.1A patent/CN107803006B/en not_active Expired - Fee Related
- 2017-11-29 CN CN201810424811.2A patent/CN108619693B/en active Active
- 2017-11-29 CN CN201810424100.5A patent/CN108619692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051557A1 (en) * | 1997-05-09 | 1998-11-19 | John William Bagnall | A braking system for wheelchairs, wheeled walking frames and the like |
| US20050087957A1 (en) * | 2003-10-23 | 2005-04-28 | Bennett John E. | Riser seat and wheelchairs with same |
| CN1817333A (en) * | 2006-02-09 | 2006-08-16 | 谭正川 | Wheelchair-style walking device for moving on stairs |
| CN201968935U (en) * | 2011-03-01 | 2011-09-14 | 姚会平 | Hand-cranked wheel chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108635795B (en) | 2019-11-22 |
| CN108635795A (en) | 2018-10-12 |
| CN107803006A (en) | 2018-03-16 |
| CN108619693A (en) | 2018-10-09 |
| CN108619693B (en) | 2019-09-24 |
| CN107803006B (en) | 2018-08-03 |
| CN108619692B (en) | 2019-11-26 |
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Effective date of registration: 20191016 Address after: 225400 District D, Guoqing East Road, Taixing City, Jiangsu Province Applicant after: Taixing science and technology incubator center Address before: 150000 Anbu District, Xiangfang District, Harbin City, Heilongjiang Province Applicant before: HARBIN GONGYANG TECHNOLOGY CONSULTING CO., LTD. |
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