Patent ID: 6112837
Filing Date: 2000-09-05
Classification: A61G,Y10S

Abstract:
A manually-powered, prime mover-assisted, vehicle comprised of a body portion adapted to accommodate as least one rider, a driving element carried by said body portion and cooperable with the terrain of which said vehicle travels for generating a driving force through cooperation with the terrain, a manual input force device carried by said body portion for receiving a manual force applied by a rider of said vehicle, a first transmission coupling said manual force input device to said driving element for manually powering said vehicle along the terrain, a prime mover carried by said body portion and driving said driving element through a second transmission for providing a power assist to the manual input force, a manual force sensor for sensing the manual force applied by said rider to said manual force input device, a controller for operating said prime mover in response to the sensed manual force for controlling said prime mover to provide a controlled degree of power assist for powering said vehicle, said manual force sensor having a null area and being detachably mounted to a component of the vehicle with which it is associated, a display arrangement carried by said vehicle for providing an indication when said manual force sensor is mounted in the desired null position on its supporting component for facilitating adjustment therefor.