Railway rolling stock – Trucks – Changeable gauge
Patent
1995-04-13
1996-08-20
Le, Mark T.
Railway rolling stock
Trucks
Changeable gauge
B61F 700
Patent
active
055468683
ABSTRACT:
A variable wheel-spacing truck includes a pair of left and right bogie frames which are transversely movable relative to each other and can be fixedly connected with each other by releasable locking devices. At least one of the wheels is slidable relative to the wheel shaft in an axial direction of the shaft. When the truck moves from one railway onto a junction railway of a different track gauge, running paths push auxiliary wheels of the locking devices upwards to release the locking devices. When the truck moves through the junction railway section, a pair of guide rails or a pair of rails push the wheels of the truck, thereby laterally shifting the left and right bogie frames relative to each other. After a predetermined relative transverse movement of the bogie frames and wheels is completed, the running paths lower the auxiliary wheels of the locking devices, thereby activating the locking devices into a locking condition. Then, the truck is moved out of the junction railway, thereby completing a truck wheel-spacing changing operation.
REFERENCES:
patent: 79252 (1868-06-01), Parrott
patent: 105984 (1870-08-01), Sanford
patent: 173000 (1876-02-01), Hall et al.
patent: 903654 (1908-11-01), Angus
patent: 1108467 (1914-08-01), Newton
patent: 3403637 (1968-10-01), Lich
patent: 3563185 (1971-02-01), Wilmot et al.
patent: 3570408 (1971-03-01), Lich
patent: 3661097 (1972-05-01), Jackson
patent: 4134343 (1979-01-01), Jackson
"Talgo Trains on Two Gauges", The Railway Gazette, Feb. 21, 1969, pp. 136-142.
Kobayashi Noboru
Sugimoto Sunao
Yoshino Mitsuji
Kawasaki Jukogyo Kabushiki Kaisha
Le Mark T.
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