WHEELCHAIR CHASSIS Russian patent published in 2021 - IPC A61G5/06 B62B5/02 B62D57/28 

FIELD: off-road vehicles.

SUBSTANCE: invention relates to off-road vehicles, it can be used as a wheelchair mover to overcome the flights of public stairs. The wheelchair chassis consists of on-board movers, each of which consists of three pneumatic satellite wheels with a common electric drive assembly, placed at the ends of one of three radial brackets rotating on a central axis. The satellite wheels are made paired with the flanges on the rim of the wheels, oriented in opposite directions; wheels have grooves-tracks made for the wedge cogged drive belts. The drive of the three-wheeled paired assembly is made by means of two cogged belts mounted on top of the drive shaft carrying a sliding pulley, which provides the necessary tension of the cogged belts when changing the load mode.

EFFECT: invention is aimed at increasing the load capacity of the movers, simplifying the drive mechanism of the paired satellite wheels and expanding the functionality of the wheelchair chassis are achieved.

1 cl, 4 dwg