Patent ID: 6279934
Filing Date: 2001-08-28
Classification: A61G

Abstract:
In a one-handed drive wheelchair having a plurality of wheels, a drive shaft mounted to said wheelchair to extend transverse to a centerline of said wheelchair, one of the plurality of wheels defining a first wheel, said first wheel being rotatably mounted to one end of said drive shaft, another of said plurality of wheels defining a second wheel, said second wheel being fixedly mounted to the other end of said drive shaft, for rotating with said drive shaft, a drive wheel fixedly mounted to said drive shaft, on an opposite end of said drive shaft from said second wheel and adjacent to said first wheel, said drive wheel being of a smaller diameter than that of said first and second wheels, the improvement comprising:a relative speed control included in said wheelchair, said relative speed control being selectively operable to apply a selective relative rotation between said first wheel and said second wheel, as said drive wheel is being manually driven.