Patent ID: 6648354
Filing Date: 2003-11-18
Classification: A61G

Abstract:
Apparatus to be propelled by the action of the user pivoting a lower leg about the knee joint, comprising:a frame supporting a seat having a top surface; front and rear wheels supporting the frame and being rotatably connected therewith; a footrest for securement to the use's foot; a telescoping input lever having upper and lower ends, the lower end being connected with the footrest, the upper end being pivotally connected to the frame at an elevation below the top surface of the seat, whereby pivoting of the user's lower leg about the knee joint can produce an oscillating pivoting motion of the input lever; and drive assembly means, engaging the input lever with the rear wheel, for converting the oscillating pivoting motion of the input lever to forward rotation motion and transmitting the rotational motion to the wheel to drive it.