Patent ID: 6213238
Filing Date: 2001-04-10
Classification: B62M

Abstract:
A method for manufacturing a motorcycle, the method comprising the steps of:providing a frame, front and rear wheel assemblies, an engine, a transmission having an output shaft, and a flexible drive member;interconnecting the front and rear wheel assemblies with the frame for rotation with respect to the frame;mounting the engine and transmission to the frame;manufacturing a rear wheel drive sprocket assembly byshaping a piece of material into a generally ring-shaped part having a toothed portion with a substantially smooth peripheral surface,positioning a first toothed roller within the ring-shaped part and a second toothed roller outside of the ring-shaped part such that the teeth of the first and second rollers substantially mesh, and such that the substantially smooth peripheral surface is pinched between the rollers, androll-forming teeth into the substantially smooth peripheral surface of the toothed portion by rotating the first and second toothed rollers in substantially meshing relationship with each other;mounting the sprocket assembly to the rear wheel assembly; andinterconnecting the sprocket assembly with the output shaft of the transmission with the flexible drive member.