B - Operations – Transporting – 61 – H
Patent
B - Operations, Transporting
61
H
B61H 1/00 (2006.01) F16D 65/06 (2006.01) F16D 69/00 (2006.01)
Patent
CA 2401761
A brake shoe is used on a railway vehicle for both applying a braking force and simultaneously reconditioning a wheel tread surface of a wheel disposed on such railway vehicle during a normal braking application on such vehicle. The brake shoe comprises a backing plate having a predetermined configuration and a first friction type material formed into a brake shoe and having a predetermined shape. There is a brake surface for engaging a wheel tread having a predetermined configuration and having a predetermined surface area. A second friction type material is formed as a discrete insert, having a predetermined shape and a predetermined width, and molded into first friction type material. One surface of the discrete insert being disposed coincidently as part of the brake surface of the brake shoe. The second friction type material exhibits greater abrasive properties than does the first friction type material.
Bowden A. Gary
Mccabe Thomas W.
Rumph Timothy
Shute Bruce W.
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
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