Road/rail vehicle with load-shifting device

Details Road/rail vehicle with load-shifting device Road/rail vehicle with load-shifting device

2005-12-20

2005-12-20

Le, Mark T. (Department: 3617)

Railway rolling stock

Locomotives

With land engaging wheel

C105S073000

Reexamination Certificate

active

06976432

ABSTRACT:
A railcar-moving vehicle comprises a modified semi-tractor, having a highway mode for operation on roadways, and a rail mode for operation on rails. The vehicle includes an elongate frame with selectively extendable high rail wheels for guiding the vehicle on rails, and rubber-tired drive wheels for operation on roadways. The rubber-tired drive wheels are configured to support the vehicle on a roadway in highway mode, and to contact the rails in rail mode. A moveable weight is disposed on a rear portion of the frame. A load-shifting mechanism moves the moveable weight between a rearward position for rail mode and a forward position for highway mode.

REFERENCES:
patent: 2864627 (1958-12-01), Kleinknecht
patent: 2916172 (1959-12-01), Locke
patent: 2986407 (1961-05-01), Krueger
patent: 3019742 (1962-02-01), Kershaw
patent: 3198137 (1965-08-01), White, Jr.
patent: 3249067 (1966-05-01), Keller
patent: 3356042 (1967-12-01), Herscovitch
patent: 3804025 (1974-04-01), Elliott
patent: 5103740 (1992-04-01), Masse
patent: 5586507 (1996-12-01), Madison et al.
patent: 6021719 (2000-02-01), Kershaw, Jr.

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