Patent ID: 6279695
Filing Date: 2001-08-28
Classification: F16D

Abstract:
An integrated one-piece axle spindle and a brake spider assembly for a brake assembly to be utilized in a heavy duty truck or trailer axle, said brake assembly including a brake drum mounted for rotation with a wheel at a wheel end portion of said axle and a pair of brake shoes including a web support structure, one end of said web support structure of each said brake shoes being supported by an anchor pin and the other end of said web support structure of each said brake shoes including means to be acted upon by a rotary S-cam brake actuator, said rotary brake actuator being supported adjacent said brake shoes at only a single support location, said integral axle spindle and a brake spider assembly comprising:a brake spider adapted to support a brake assembly; said brake spider including a pivoting end support plate provided with at least one anchor pin bore, and an actuator support plate provided with an opening for supporting an S-cam shaft of said rotary brake actuator;an axle spindle axially extending from said brake spider,said brake spider and said axle spindle both being formed from a single steel alloy billet as a one-piece forging.