wheelchair
Chair with arms and a back that is mounted on wheels; it enables a person who has difficulty walking to move about.
cross brace 
Folding crosspiece connecting and stabilizing the two sides of the wheelchair.
tipping lever 
Piece that is pushed down with the foot to lift the front of the wheelchair.
hanger bracket 
Pivoting piece that supports the footrest; it is adjustable and removable.
large wheel 
Circular piece connected to the hub; its rubber tires provide rolling comfort.
hub 
Central part of the wheel from which spokes radiate. Inside the hub are ball bearings enabling it to rotate around its axle.
brake 
Handle that slows down the wheelchair or immobilizes it by blocking the wheel.
clothing guard 
Part of the wheelchair that separates the seat from the movement of the wheels.