WHEELED CHAIR Russian patent published in 2009 - IPC A61G5/04 

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment and can be used for transportation of disabled person both on a horizontal surface, and up and down the steps. A wheeled chair comprises a base, a seat, four wheels and a support presenting a brush with a bristle directed under at an acute angle to the brush foot. Four wheels are driving, and each wheel comprises an engine, a rim and a toroidal-shaped container. The toroidal-shaped container is partially filled with bulk load. The support is spring-loaded and sliding. On the back, the base has a fixed roller. The roller is provided with an electric drive, a rotation break and a slowing-down device. An elastic profiled belt is attached to the roller and winded around. The belt has a hook and a solenoid latch at its end.

EFFECT: ensured reliability of the wheeled chair and eliminated probability of failure in moving up and down the steps.

4 cl, 5 dwg