ELECTRIC WHEELCHAIR CAPABLE OF CLIMBING STAIRS AND METHOD FOR USING SAME TO ASCEND AND DESCEND STEPS

• Main Author: ZENG, Zhaoyi
• Format: Patent
• Language: Chinese; English; French
• Published: 24.12.2020
• Subjects: CHAIRS FOR DENTISTRY; FUNERAL DEVICES; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; OPERATING TABLES OR CHAIRS; TRANSPORT OR ACCOMODATION FOR PATIENTS

An electric wheelchair capable of climbing stairs and a method for using same to ascend and descend steps, the electric wheelchair consisting of a seat body (1), universal wheels (6), driving wheels (5), a battery, a main control module (11), an operating lever (13), a support frame (7), pin shafts (4), distance measuring sensor modules (10), a seat angle adjuster (12), chair wheel support rods (2/3/9) and chair wheel lifting devices (8). Two rows containing four universal wheels (6) in total are arranged at the front end of the wheelchair, and two rows containing four driving wheels (5) in total are arranged at the rear end of the wheelchair, wherein each row of universal wheels (6) and driving wheels (5) may be retracted to thus achieve the function of climbing stairs. The electric wheelchair has a novel design and a simple structure, and may safely and steadily go ascend and descend steps. At the same time, the wheelchair may adapt well to flat ground conditions without requiring a user to change the opera