Radial axle truck disc brakes

Details Radial axle truck disc brakes Radial axle truck disc brakes

1978-08-24

1980-12-09

Beltran, Howard

Brakes

Vehicle

Railway

105168, 105182R, 105199R, 1052241, 188153A, B61F 530, B61F 538, B61H 500, B61H 1326

Patent

active

042380065

ABSTRACT:
A radial axle railway truck is provided with a disc brake system compatible with the radial axles comprising a single disc at the center of each axle adapted to be frictionally engaged by opposing shoes of a disc brake mechanism, the disc brake mechanism associated with each axle being supported by a yoke anti-rotatably mounted solely on truck framing supporting adaptors mounted on the axle bearings to take braking torque while accommodating free pivoting movement of the brake mechanism in the horizontal plane in accordance with movements of the axles from their tangent track positions to their curved track radial positions, such that no forces are applied by the disc brake mechanisms to the respective axles in opposition to the steering forces acting on the respective axles. Rigid links connect the diagonally opposite sides of the brake yokes on the respective axles to accommodate steering movements, in opposite senses, of the respective axles, the mountings of the adaptors on the axle bearings being constructed to permit limited relative movement of the axle bearings transversely of the truck with respect to the respective adaptors and brake support yokes supported thereby, whereby to permit the respective axles, while held in parallelism by the diagonal links, to move transversely of the truck with respect to each other sufficiently to follow horizontal offsets in the track rails without interference from the diagonal links.

REFERENCES:
patent: 2284484 (1942-05-01), Eksergian
patent: 2286563 (1942-06-01), Mussey
patent: 2440020 (1948-04-01), Pratt
patent: 3314505 (1967-04-01), Pelikan
patent: 3344893 (1967-10-01), Pelikan
patent: 3884157 (1975-05-01), Pelabon
patent: 4067261 (1978-01-01), Scheffel
patent: 4131069 (1978-12-01), List
patent: 4134343 (1979-01-01), Jackson
patent: 4151801 (1979-05-01), Scheffel et al.

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