Patent ID: 6764089
Filing Date: 2004-07-20
Classification: B62M

Abstract:
A mechanism for manually powering a vehicle comprising:a frame; a first free-wheel driver rotatably attached to the frame; a lever arm pivotally attached at a pivot point to the frame, the lever arm including a first end that is grasped and moved by a person and a second end that rotatably attaches to a second free-wheel driver, the pivot point located between the first and second ends; and a linkage that is moved by the second free-wheel driver when the person pivots the first end of the lever arm, wherein the linkage rotates the first free-wheel driver, wherein the first free-wheel driver drives a wheel, and wherein the driven wheel is connected rotatably to a second wheel so that the second wheel rotates freely with respect to the driven wheel and the first free-wheel driver.