Railway rolling stock – Trucks – Bogie
Reexamination Certificate
2005-12-06
2005-12-06
Jules, Frantz F. (Department: 3617)
Railway rolling stock
Trucks
Bogie
C105S224100
Reexamination Certificate
active
06971319
ABSTRACT:
A friction wedge assembly for use in a suspension system of railroad car trucks. The friction wedge assembly comprises a cast metal wedge having a bolster engaging surface, a truck side frame engaging surface and a surface disposed between the bolster engaging surface and the truck side frame engaging surface for engaging a spring that provides the load on the friction wedge assembly. There is a metal bonding matrix disposed on the truck side frame engaging surface of the wedge and a composition liner having a first side engageable with the metal bonding matrix and a radially opposed second side for engaging a metal wear liner on a side frame of such railroad car truck.
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Standard Car Truck Company Information Sheet, Barber 925-SW Split Wedge Friction Casting, Jan. 2000.
Jules Frantz F.
The Webb Law Firm
Westinghouse Air Brake Technologies Corporation
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