Railway rolling stock – Trucks – Supplemental wheel
Patent
1980-02-28
1982-08-03
Peters, Jr., Joseph F.
Railway rolling stock
Trucks
Supplemental wheel
105453, 267 35, B60F 104, B61D 300, B61F 1300, B62D 6112
Patent
active
043422640
ABSTRACT:
A rail bogie air suspension for a convertible rail-highway semi-trailer using an invaginating air bag secured between an upper air chamber member affixed to the underside of the rear frame of a vehicle and a load support leg assembly, a bumper carried by said upper air chamber member, a plate and shaft assembly spring urged towards said bumper and a pneumatically operable pin supporting said plate and shaft assembly whereby, when air is vented from the bag, air pressure is simultaneously provided which acts on a member that retracts the pin and allows the bumper plate and shaft assembly to move past the pin under the weight of the vehicle to allow the entire assembly to fully retract for the proper elevated stored position of the bogie during the highway mode.
REFERENCES:
patent: 1863575 (1932-06-01), Moncrieff et al.
patent: 2056106 (1936-09-01), Kuhn
patent: 2140885 (1938-12-01), Soulis
patent: 2889785 (1959-06-01), Browne
patent: 2925791 (1960-02-01), Browne et al.
patent: 3002469 (1961-10-01), Wanner
patent: 3286657 (1966-11-01), Browne
patent: 3319952 (1967-05-01), Travers
patent: 3342141 (1967-09-01), Browne
patent: 4202277 (1980-05-01), Browne et al.
Cripe Alan R.
Cripe Christopher A.
Hindin Eugene
Beltran Howard
Bi-Modal Corporation
Millman Max R.
Peters Jr. Joseph F.
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