A disabled person successfully built a wheelchair climbing stairs

After 4 years of self-study, Mr. Vo Dinh Minh (49 years old, residing in Group 24, Area 4, Le Hong Phong Ward, Quy Nhon City, Binh Dinh) - was paralyzed since childhood with an infirmity rate of 81% - successfully built the wheelchair to climb the stairs.

Mr. Vo Dinh Minh (standing) and a wheelchair climbing a self-patent staircase (Photo: TTO) The basic parts of this special wheelchair include: 1 electric motor (attached to 3 12V batteries, with parallel), 14 braces - slugs (chains), 2 gear teeth, 2 rear wheels (with rubber tires) and 4 front wheels (with pneumatic tires).

When the electric motor is activated, the rotating force will transmit motion to the axes through the braces; 4 front wheels rotate 2 rounds, 2 rear wheels turn 1 round when up (or down) 1 step.

Currently the model wheelchair (weighing about 50 kg) created by Mr. Minh can carry a disabled person weighing 30-40 kg.

According to the owner of this unique wheelchair, although operating in complex terrain, the operator is very safe and always in balance position thanks to the disc brakes (manual control) and the seat set suitable design. Currently, Mr. Minh is completing all necessary procedures to register patent rights and widely popularize this multi-purpose wheelchair.

It is known that this is the first car appeared in Vietnam. Mr. Minh was also the one who invented a reverse gearbox , attached to a motorcycle for people with disabilities.