Railways – Trolley rails – Two tread
Patent
1974-04-01
1976-03-09
Wood, Jr., M. Henson
Railways
Trolley rails
Two tread
104242, 238 3, 280 80R, 280 91, E01B 2522
Patent
active
039424499
ABSTRACT:
A self steering vehicle for a transportation system including a roadway having a pair of elongated parallel tracks whose shape in cross-section is domed or convex and preferably having a pair of guide flanges positioned outwardly of the tracks, the vehicle having wheels provided with resilient track-engaging means, such as pneumatic tires, and driving means for propelling the vehicle over the roadway. The wheels of the vehicle tend to follow the tracks because of the deformation of the tires if they tend to move laterally off the center portions of the tracks, and the guide flanges engage the tires, upon the wheels having moved off the tracks because of the imposition of excessive side loads on the vehicle, to turn the wheels back onto the tracks.
REFERENCES:
patent: 2061719 (1936-11-01), Street, Jr.
patent: 2181377 (1939-11-01), Mabie
patent: 3162145 (1964-12-01), Franklin et al.
patent: 3194578 (1965-07-01), Klecker
patent: 3459441 (1969-08-01), Hornsby
Bertsch Richard A.
Cate James M.
Goldwire H. C.
LTV Aerospace Corporation
Wood, Jr. M. Henson
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