Patent ID: 7997391
Filing Date: 2011-08-16
Classification: B60T,F16D,G01P,Y10T

Abstract:
1. A brake rotor disc assembly comprising: a rotor disc having a braking surface and a hat portion for mounting to a wheel hub, wherein the hat portion includes a cylindrical body and a radial mounting flange; and a tone ring insert for use with an anti-lock braking system including a cylindrical portion having an outer cylindrical surface and a sensor flange having a radial surface with a plurality of spaced sensing formations disposed thereon, wherein the cylindrical portion is mounted to the radial mounting flange such that the entire outer cylindrical surface of the cylindrical portion is positioned within and spaced from the cylindrical body, so as to thermally insulate the tone ring insert wherein the cylindrical portion of the tone ring insert has threaded axial bores therein for receiving a fastener for coupling to the rotor disc.