Railway car low friction side bearings

Details Railway car low friction side bearings Railway car low friction side bearings

1978-01-09

1980-04-08

Peters, Jr., Joseph F.

Railway rolling stock

Trucks

Bogie

105197B, 105199CB, 267 3, 308138, B61F 304, B61F 506, B61F 510, B61F 514

Patent

active

041966716

ABSTRACT:
A bolster for carrying a car body rests transversely on a pair of side frames of a truck. A side bearer and wear plate assembly are disposed between the ends of the bolster and the side frames to permit the bolster to be rotated relatively about small angles with respect to the side frames. The side bearers each comprise a body having relatively low friction surfaces in engagement with the wear plates. Each of the low friction surfaces may include two or more parallel arcuate tracks or segments which may have radii corresponding to the directions of angular rotation movements of the bolster. The total surface area of the low friction surfaces is designed for optimum operation for predetermined load conditions.

REFERENCES:
patent: 538865 (1865-05-01), Brill, et al.
patent: 2908230 (1959-10-01), Dean
patent: 3020857 (1962-02-01), Dean
patent: 3343830 (1967-09-01), Dean et al.
patent: 3961584 (1976-06-01), Paton et al.

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