Four wheel off-road vehicle

Land vehicles – Wheeled – Running gear

Reexamination Certificate

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Details

C280S006154

Reexamination Certificate

active

11156968

ABSTRACT:
An off road vehicle comprises a front frame joined to a rear frame by a swivel rotates about a longitudinal axis. Springs are mounted to a horizontal planar structure and to the rear frame. The springs maintain the front frame to rear frame alignment but allows rotation between the front frame and the rear frame. A steering column extends upwardly and forwardly from a front axle having two wheels mounted laterally therefrom. The is connected to the two front wheels to turn in a desired direction. Front springs connect the axle to the steering column. A pair of shock absorbers connect the axle proximate to the wheels and the steering column. The pair of front springs and the pair of shock absorbers, in combination, maintain the front frame alignment to the axle but allow rotation between the front frame and the axle.

REFERENCES:
patent: 2792234 (1957-05-01), Page
patent: 3580348 (1971-05-01), Di Blasi
patent: 3583727 (1971-06-01), Wallis
patent: 3776353 (1973-12-01), Roth
patent: 3931989 (1976-01-01), Nagamitsu
patent: 3938609 (1976-02-01), Kensaku et al.
patent: 3995875 (1976-12-01), Wada
patent: D246776 (1977-12-01), Moore
patent: 4159752 (1979-07-01), Kanno
patent: 4182521 (1980-01-01), Durand et al.
patent: 4372416 (1983-02-01), Igarashi
patent: 4496019 (1985-01-01), Tanaka
patent: 4596301 (1986-06-01), Nagashima
patent: 5312121 (1994-05-01), Chapman
patent: D348030 (1994-06-01), Heathcote
patent: 2002/0125709 (2002-09-01), Wu
patent: 1267612 (2000-09-01), None
patent: WO 02/088573 (2002-11-01), None

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