Patent ID: 7022019
Filing Date: 2006-04-04
Classification: B60N,F16C,F16F,Y10T

Abstract:
1. A drive shaft assembly for automotive applications for transmitting a rotary drive, the drive shaft assembly comprising: a central flexible rotatable core shaft having an outer cylindrical surface; an outer sleeve surrounding the central flexible core shaft and spaced from the core shaft; and at least one elastomeric damper located within the outer sleeve and positioned at a location along the length of the drive shaft assembly, the damper extending to and abutting against the outer cylindrical surface of the core shaft; wherein the damper comprises an elastomeric washer with an inner bore defined in the center, the inner bore corresponding to the outer cylindrical surface of the core shaft; and wherein the damper has a cross sectional profile which radially tapers to an apex at the defined inner bore of the washer thereby providing a knife edge support for the core shaft.