Patent ID: 8672333

Claim:
An apparatus for moving a vehicle having a wheel with a tire, comprising: a. a torque transmitter having a shape adapted to be positioned on an axially outer sidewall of said tire to roll with said tire, said torque transmitter including a frame with a gripping provision adapted to couple said frame to an axially outer torque source, said frame having a tire contact means to support said frame on said sidewall; b. a collar adapted to be positioned on an axially inner sidewall of said tire; and c. a plurality of flexible linear force elements extending between said torque transmitter and said collar are routed around a radially outer circumferential surface of said tire with substantial radial symmetry among said elements, said linear force elements including a tension means to exact a substantial tension force in said elements between said transmitter and said collar; whereby said torque transmitter ensnaring said tire enables said torque source to turn said wheel to move said vehicle.