Railway rolling stock – Trucks – Supplemental wheel
Patent
1981-09-25
1983-05-03
Reeves, Robert B.
Railway rolling stock
Trucks
Supplemental wheel
105165, 188 56, 410 45, 410 53, B60F 104, B61D 310, B61H 100, B62D 6112
Patent
active
043817130
ABSTRACT:
An air control system is provided for a vehicle convertible between highway and railway modes of travel. Air springs suspend a rail-wheel set axle unit and highway wheel-set axle units from the vehicle body so that the one wheel-set axle unit is stored in a raised inoperative position while the other is in the lowered operative position. During a transfer from the highway mode of travel to the railroad mode of travel, or vice-versa, a valved air control system selectively allows the wheel-set axle units to be positioned in either the raised or lowered positions. The air control system also includes, in addition to the mode selection function, the highway braking function, the rail braking function, the parking brake and the emergency brake functions.
REFERENCES:
patent: 3002469 (1961-10-01), Wanner
patent: 3342141 (1967-09-01), Browne
patent: 4202277 (1980-05-01), Browne et al.
patent: 4311244 (1982-01-01), Hindin et al.
patent: 4316418 (1982-02-01), Hindin et al.
patent: 4342264 (1982-08-01), Hindin et al.
patent: 4342265 (1982-08-01), Hindin et al.
Beltran Howard
Bi-Modal Corporation
Millman Max R.
Reeves Robert B.
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