Patent ID: 8267229
Filing Date: 2012-09-18
Classification: F16D

Abstract:
1. A brake shoe, comprising: a molded brake shoe body formed of friction material comprised of a blend of abrasive materials, organic and inorganic filler materials, and resins and defining a friction surface for bearing upon a wheel tread and an opposed back surface; and a single piece metal insert molded into the body and comprising at least two spaced apart bodies each comprising a friction face and a connecting portion extending between the at least two spaced apart bodies to connect the at least two spaced apart bodies, the connecting portion having a back face adjacent to the back surface of the brake shoe body; wherein the metal insert is molded into the brake shoe body such that the at least two spaced apart bodies and the connecting portion are initially embedded in the brake shoe body with the friction faces of the at least two spaced apart bodies lying in the friction surface of the brake shoe body for contact with the wheel tread upon wear of the friction surface; and wherein the connecting portion comprises at least one radially-extending flange extending beyond the back surface of the brake shoe body.