Patent ID: 7059619
Filing Date: 2006-06-13
Classification: B62K

Abstract:
1. A steering and suspension system for bicycles and motorcycles comprising a wheel rotatably attached to an axle, said axle rigidly attached to axle brackets at each end of said axle, said axle brackets containing forward pivots pins, said forward pivot pins arranged with axes that are perpendicular to the centerline of said axle, side rails positioned along each side of said wheel, said side rails attached pivotally at the forward end to said axle brackets through said forward pivot pins with axes of said forward pivot pins perpendicular to longitudinal centerline of said side rails, said side rails attached pivotally at the rear end to rear rail brackets, said rear rail brackets containing rear pivot pins, said forward pivot pin having axes parallel to said rear pivot pin axes so that movement of said side rails and said axle is in a plane that is perpendicular to the plane of rotation of said wheel, said rear rail brackets rigidly attached to each end of a rear rail, said rear rail positioned behind said wheel and perpendicular to the vehicle longitudinal centerline, said rear rail pivoted about a rear rail pivot pin whose axis is perpendicular to the vehicle longitudinal centerline and lies in a horizontal plane, said rear rail pivot pin attached pivotally at each end to frame brackets, said frame brackets rigidly attached to vehicle frame, weight of said bicycle or motorcycle is transmitted through said rear rail pivot pin to said rear rail, through said rear rail to said rear rail brackets, through said rear rail brackets to said rear pivot pins, through said rear pivot pins to said side rails, through said side rails to said forward pivot pins, through said forward pivot pins to said axle brackets, through said axle brackets to said axle.