Wheelchair
AssigneesHyundai Motor Company, Kia Corporation
InventorsJea Kyoo An, Hun Keon Ko
Life of this patent
Estimating the term…
Abstract
A rear side entry type wheelchair includes a driving device comprising a pair of driving frames provided on left and right sides thereof and driving wheels provided in the driving frames, respectively, a seat device including a pair of horizontal frames coupled to the driving device and saddles configured to be rotated about a vertical shaft on surfaces of the horizontal frames, a back support device including a back support opening/closing interworker provided on a rear side of the seat device and a back support provided in the back support opening/closing interworker configured to be foldable so as to be opened and closed, and a handle device provided on a front side of the seat device.
Claims14
A wheelchair comprising:
- a driving device, comprising:
- a pair of driving frames provided on left and right sides thereof;
- and
- driving wheels provided in the driving frames, respectively;
- a seat device, comprising:
- a pair of horizontal frames coupled to the driving device;
- and
- saddles configured to be rotated about a vertical shaft on surfaces of the horizontal frames;
- a back support device, comprising:
- a back support opening/closing interworker provided on a rear side of the seat device;
- a back support provided in the back support opening/closing interworker and configured to be foldable so as to be opened and closed;
- and
- a handle device provided on a front side of the seat device,
- wherein:
- each of the driving frames comprises:
- a front frame;
- and
- a rear frame coupled to the front frame with a joint while forming a specific angle with the front frame, and
- a height adjusting driver configured to adjust a height of the seat device by adjusting the angle between the front frame and the rear frame, and
- the height adjusting driver is a rotary driver provided in the joint, and is configured to adjust the angle between the front frame and the rear frame through rotation of a motor included in an interior thereof.
A wheelchair comprising:
- a driving device comprising:
- a pair of driving frames provided on left and right sides thereof;
- and
- driving wheels provided in the driving frames, respectively;
- a seat device comprising:
- a pair of horizontal frames coupled to the driving device;
- and
- saddles configured to be rotated about a vertical shaft on surfaces of the horizontal frames,
- wherein each of the horizontal frames has a through-hole on one side thereof;
- a back support device comprising:
- a back support opening/closing interworker provided on a rear side of the seat device;
- a back support provided in the back support opening/closing interworker and configured to be foldable so as to be opened and closed;
- and
- a handle device provided on a front side of the seat device,
- wherein:
- each of the saddles comprises:
- a plate;
- and
- an insertion/coupling member provided at an edge of the plate and having a hollow portion in an interior thereof, and
- the insertion/coupling member is inserted into and coupled to the through-hole such that the saddle is configured to be axis-rotated on one surface of the horizontal frame.
A wheelchair comprising:
- a driving device comprising:
- a pair of driving frames provided on left and right sides thereof;
- and
- driving wheels provided in the driving frames, respectively;
- a seat device comprising:
- a pair of horizontal frames coupled to the driving device;
- and
- saddles configured to be rotated about a vertical shaft on surfaces of the horizontal frames;
- a back support device comprising:
- a back support opening/closing interworker provided on a rear side of the seat device;
- a back support provided in the back support opening/closing interworker and configured to be foldable so as to be opened and closed;
- and
- a handle device provided on a front side of the seat device,
- wherein:
- the handle device comprises:
- a handle;
- and
- a saddle adjusting device connecting the handle and the saddles, the saddle adjusting device being configured to adjust a location of the saddles by rotating the saddles, and
- the saddle adjusting device comprises:
- a saddle adjusting member coupled to an outer peripheral surface of the handle and configured to be rotatable;
- a miter gear configured to transmit rotational power applied to the saddle adjusting member to the saddles;
- and
- a gear frame surrounding the saddle adjusting member and the miter gear.
Dependencies are inferred from the claim text.