Railways – Derailment guards – Furrow feelers
Patent
1975-07-24
1977-01-04
Spar, Robert J.
Railways
Derailment guards
Furrow feelers
104 89, 104107, 104118, 105141, 105148, B61B 1202
Patent
active
040007022
ABSTRACT:
A transportation system includes a pair of rails spaced transversely of an elongated track on which flanged support wheels of a vehicle are adapted for travel along the sides, top or bottom of the track. The support wheels are transversely spaced apart by at least one-half the width or one-half the height of the vehicle and are sloped to respectively lie in planes intersecting at the center of gravity of the vehicle. Accordingly, horizontal forces acting on the vehicle during travel around curves produce no stresses on the wheel flanges but increase direct stress on one set of wheels and decrease direct stress on the other set of wheels.
In another embodiment, the wheels are designed to tip parallel to the resultant forces acting on the wheels during horizontal force changes acting on the vehicle. Such is effected by the provision of curved bearing surfaces associated with the rails and mounted on the wheel mounts in such a manner that the thrusts of the car supports acting on the bearing elements intersect below the wheel bearing surfaces of the rails.
REFERENCES:
patent: 1529101 (1925-03-01), Wiesinger
patent: 2623475 (1952-12-01), Fraser
patent: 3122105 (1964-02-01), Scherer
patent: 3194179 (1965-07-01), Scherer
patent: 3244113 (1966-04-01), Smyser
patent: 3679017 (1972-07-01), Roe
patent: 3774547 (1973-11-01), Widiger et al.
patent: 3890904 (1975-06-01), Edwards
Reese Randolph A.
Spar Robert J.
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