Wheelchair

摘要

Actuation plates (16) are provided in juxtaposition with a seat (5) to descend when a user sits on the seat to lower the seat with the weight and to ascend when the user rises from the seat to permit the seat to return with removal of the weight. Brake wheel (11) is mounted on axle shafts (10) to brake the axle shafts and energized constantly in a non-braking direction. Brake levers (12) are coupled directly or indirectly to the brake wheel to move according to descending motions of the actuation plates to act on the brake wheel to put the brake wheel in a non-braking state and to move according to ascending motions of the actuation plates to act on the brake wheel to put the brake wheel in a braking state.