Railway rolling stock – Locomotives – With land engaging wheel
Patent
1994-09-16
1997-07-22
Le, Mark T.
Railway rolling stock
Locomotives
With land engaging wheel
104 71, 104 9, B61F 900
Patent
active
056494904
ABSTRACT:
The subject invention is an improved apparatus structured and adapted to support rail wheels on an over-the-road vehicle that is adapted accordingly to ride over railroad rails as well as over the ground on roadways, such apparatus being adapted to support as well as raise or lower the railroad wheels as needed for such purpose, and with a basic structure comprising one or more vertically disposed support members affixed to the main frame of the vehicle, there being affixed to each such vertically disposed support members affixed to the main frame of the vehicle, a reciprocally movable lifting arm, each such support member having a rail wheel affixed to the lower end of each such lifting arm, with the lowest movable extent of such lifting arm adapted to position the affixed rail wheel to the rail level, with the extreme upper vertical movement of such lifting arm being positioned away from the rail in the retracted position so that the vehicle can travel over the road or ground without impediment from the rail wheel. Alternately stated, affixed to the under-frame of the vehicle are retractable, longitudinally and vertically extending members that have affixed to their lower ends rail wheel members, such that the rail wheels can be raised and lowered in a direct vertical movement from the rail level to the retracted upward position, with the added feature of retractable ground support members being integrally positioned on the fixed portion of such verticle support member.
REFERENCES:
patent: 3020858 (1962-02-01), Perkins et al.
patent: 3338184 (1967-08-01), Fisher
patent: 4520735 (1985-06-01), Field
patent: 5156639 (1992-10-01), Bostrom
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