Patent ID: 7503575
Filing Date: 2009-03-17
Classification: B62K

Abstract:
1. A body frame of a two-wheeled vehicle comprising: a head pipe to which a steering shaft extending substantially vertically is rotatably mounted, the head pipe supporting a front portion of a main frame extending substantially forward and rearward of a vehicle body of the two-wheeled vehicle and supporting an upper portion of a down tube extending substantially vertically, the head pipe including: wherein the upper head pipe includes an upper tubular portion into which the steering shaft is inserted and a main frame tongue portion that extends rearward from the upper tubular portion along an outer wall surface of the front portion of the main frame and supports a front portion of the main frame from above; and wherein the lower head pipe includes a lower tubular portion into which the steering shaft is inserted and a down tube tongue portion that extends downward from the lower tubular portion along an outer wall surface of the upper portion of the down tube and supports an upper portion of the down tube from forward.