Soft primar suspension system for a railway car

Details Soft primar suspension system for a railway car Soft primar suspension system for a railway car

1981-12-28

1984-12-18

Beltran, Howard

Railway rolling stock

Trucks

Axle bearing mounting

105453, 267 4, B61F 304, B61F 530, B61F 538

Patent

active

044884958

ABSTRACT:
A low rate soft primary system for a railway truck includes a pair of longitudinally disposed assemblies on opposite sides of a journal bearing for carrying a wheel-axle unit. Each of said assemblies includes a plurality of laminated rubber strips separated by relatively thin metal strips oriented parallel to the vertical axis of the journal bearing. The layers of the laminated assembly form angles opening towards or away from the journal bearing somewhat in the shape of chevrons. The assemblies provide relatively high spring rates for lateral and longitudinal loads and low spring rates for vertical loads.

REFERENCES:
patent: 38777 (1863-06-01), Gibson et al.
patent: 51368 (1865-12-01), Vose
patent: 1936389 (1933-11-01), Hallguist
patent: 2286563 (1942-06-01), Mussey
patent: 2299560 (1942-10-01), Travilla, Jr.
patent: 2410402 (1946-11-01), Ledwinka
patent: 2802662 (1957-08-01), Hirst
patent: 4046080 (1977-09-01), Dieling et al.

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