Wheeled work vehicle

Details Wheeled work vehicle Wheeled work vehicle

2006-01-31

2006-01-31

Novosad, Christopher J. (Department: 3671)

Excavating

Ditcher

C037S410000, C037S417000, C037S443000, C180S089100

Reexamination Certificate

active

06990757

ABSTRACT:
A wheeled work vehicle includes a traveling body including front and rear wheels, a traveling drive unit having an engine and a power transmission mechanism, a fuel tank, a work oil tank, and a vehicle frame mounting the front and rear wheels, the traveling drive unit, the fuel tank and the work oil tank. The vehicle includes a swivel base disposed upwardly of the traveling body and mounted via a swivel bearing on the traveling body, a driver's seat mounted on a rear portion of the swivel base, a steering unit disposed forwardly of the driver's seat and a ground-work implement supported on an implement support unit. The vehicle frame includes a front region mounting a front-wheel suspension unit for the front wheels, a rear region mounting a rear-wheel suspension unit for the rear wheels and an intermediate region supporting the swivel bearing.

REFERENCES:
patent: 3738442 (1973-06-01), Eiler
patent: 4771855 (1988-09-01), Takashima et al.
patent: 5909780 (1999-06-01), De Andrade
patent: 6266901 (2001-07-01), Kanda et al.
patent: 2003/0226293 (2003-12-01), Takemura et al.
patent: 2001-97017 (2001-04-01), None

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