Railway rolling stock – Trucks – Bogie
Patent
1994-07-08
1996-06-11
Oberleitner, Robert J.
Railway rolling stock
Trucks
Bogie
105176, 213 15, B61F 500
Patent
active
055245528
ABSTRACT:
A specially designed single axle truck is designed for use on extra long railroad cars which are sixty feet or longer to accommodated bigger and heavier loads. The single axle trucks are secured to rigid subframes which, in turn, are mounted on the under carriage of a railroad freight car, adjacent each of the opposing ends of the car, for rotation in a horizontal plane, when the car is resting on a horizontal trackway. The rigid subframes are each provided with a pair of outstanding arms which are designed to engage the car coupler means. whether it be a single drawbar, fixed jaw coupler, or a knuckle type coupler such as an AAR standard F coupler, to engage and transfer lateral movement of the car coupler means into rotary movement of the rigid subframes to actively steer the attached single axle trucks safely through curves in the trackway which the single axle truck would be unable to negotiate, if it were rigidly secured to the under carriage of the railroad car. Means are provided between the rigid subframes and under carriage of the railroad car for stabilizing the car in supported relation on the rigid subframes and attached single axle trucks.
REFERENCES:
patent: 900025 (1908-09-01), Krakau
patent: 1000292 (1911-08-01), Pope
patent: 2190539 (1940-02-01), Cameron
patent: 2846954 (1958-08-01), Gaynor
patent: 3350146 (1967-10-01), Williams
patent: 3961582 (1976-06-01), Paton et al.
patent: 4590864 (1986-05-01), Przybylinski
National Castings Incorporated
Oberleitner Robert J.
Rutherford Kevin D.
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