Road/rail power unit

Details Road/rail power unit Road/rail power unit

1989-10-10

1991-05-21

Graham, Matthew C.

Railway rolling stock

Trucks

Supplemental wheel

105 722, 105 82, B61F 1300

Patent

active

050165445

ABSTRACT:
This invention relates to a convertible road/rail power vehicle including a tractor unit provided with retractable wheel sets and rail equipment that enable it to be operated on either highways or railway tracks and when on rail to pull a multiplicity of loaded or unloaded railway cars.

REFERENCES:
patent: 1937532 (1931-09-01), Ronk
patent: 2128072 (1935-11-01), Brecht
patent: 2655873 (1953-10-01), McDonald
patent: 3286657 (1966-11-01), Browne
patent: 3342141 (1965-05-01), Browne
patent: 3628465 (1971-12-01), Dobson et al.
patent: 3704671 (1972-12-01), Horne et al.
patent: 4048925 (1977-09-01), Storm
patent: 4372220 (1983-02-01), Sechi
patent: 4809798 (1989-03-01), Moist et al.

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