Railway locomotive trucks

Details Railway locomotive trucks Railway locomotive trucks

1975-10-15

1977-08-23

Spar, Robert J.

Railway rolling stock

Motor placement

Axle mounting

105196, 105199R, B61C 300, B61F 306, B61F 506, B61F 516

Patent

active

040432726

ABSTRACT:
Railway three-axle, three-motor locomotive trucks are provided with a bolster spring-supported on the truck frame for lateral and vertical movement and having a central opening to accommodate the middle axle motor while minimizing the over-all height of the truck, a plurality of vertically nonyielding body-support bearing elements on the bolster spaced apart transversely and longitudinally of the truck to prevent tipping of the bolster relative to the body, a swivel connection between the body on the bolster, and a draft connection between the bolster and truck frame at a level at least as low as the axles to provide low-level transmission of traction forces between the truck frame and bolster and thereby reduce axle-to-axle load transference and thereby improve adhesion.

REFERENCES:
patent: 2705924 (1955-04-01), Travilla et al.
patent: 2741996 (1956-04-01), Kolesa
patent: 2821149 (1958-01-01), Travilla
patent: 3014435 (1961-12-01), Travilla et al.
patent: 3288083 (1966-11-01), Jones
patent: 3693553 (1972-09-01), Lich

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