Patent ID: 6467372
Filing Date: 2002-10-22
Classification: B62K,Y10T

Abstract:
A steering device comprisinga one-piece T-shaped bar stem (2), having opposite ends (4, 6), to each of said ends at least one attachment clamp (8, 10) is fastened, the attachment clamps (8, 10) fixing in position a handlebar tube (12), wherein the handlebar tube (12) has an inner circular surface (27) with an inner radius (47) and an outer circular surface (29) with an outer radius (51), the difference of which determines the wall thickness (53) of the handlebar tube (12) and the wall thickness (53) changes along the longitudinal axis (55) of the handlebar tube (12), the handlebar tube (12) exhibits at least one reinforcement area (31) being reinforced such that the wall thickness (53) is maximum, and each of the attachment clamps (8, 10) fixes the handlebar tube (12) within a reinforcement area (31).