Patent ID: 6142267
Filing Date: 2000-11-07
Classification: F16D

Abstract:
A brake rotor comprising:an annular mounting flange; andan annular friction disc extending from said mounting flange and having a passageway formed therethrough extending from a radially inner end to a radially outer end, said radially outer end of said passageway defining a first center axially extending dimension, a first end axially extending dimension which is smaller than said first center axially extending dimension, and a first circumferentially extending dimension, said radially inner end of said passageway defining a second center axially extending dimension which is greater than said first center axially extending dimension, a second end axially extending dimension which is smaller than said second center axially extending dimension, and a second circumferentially extending dimension which is smaller than said first circumferentially extending dimension, said passageway defining a generally straight side wall surface between said first center axially extending dimension and said first end axially extending dimension and between said second center axially extending dimension and said second end axially extending dimension.