Patent ID: 8690738

Claim:
A motor-less, leg-powered curved treadmill comprising: a treadmill frame having peripheral left and right sides; a concave row of upper support peripheral ball bearings located at each of the peripheral left and right sides of the treadmill frame; and a set of respective front and rear pulley end rollers for rotation; a closed loop treadmill belt, wherein said front and rear pulley end rollers support said closed loop treadmill belt; wherein said closed loop treadmill belt comprises a plurality of parallel transverse slats oriented perpendicular to an axis of rotation of said belt and attached to each other in a resilient fashion; and wherein each said transverse slat includes a plurality of fins connected to and extending outward from each said transverse slat and formed with a material with sufficient resiliency, strength and weight to lie on and conform to the respective concave rows of the upper support peripheral ball bearings.