All terrain vehicle frame structure

Details All terrain vehicle frame structure All terrain vehicle frame structure

1996-09-12

1998-08-11

English, Peter C.

Motor vehicles

Frame

280835, 280798, B62K 1102, B62J 3500

Patent

active

057914311

ABSTRACT:
A frame structure for a saddle-seat vehicle supports a plurality of wheels, with at least one of the wheels being steerable, and with at least one of the wheels being driven by a power unit. The frame structure includes a main frame member. The main frame member has a generally cylindrical cross-section and is formed as a one-piece continuous tubular member. The main frame member includes a left portion, a right portion, and a curved front portion interconnecting the left portion with the right portion. The curved front portion is located above and forwardly of the power unit. A heat plate is located between the left portion and the right portion, and rearwardly of the curved front portion. The heat plate includes a plurality of lip portions which overlay the left portion, the right portion, and the curved front portion of the main frame member. The lip portion includes a pair of elastic bushings which are located between the lip portion and the left and right portions of the main frame member. A plate bracket fastens the heat plate to the main frame member. A fuel tank is located above the heat plate and the plate bracket and is spaced therefrom by the pair of elastic bushings and by a third elastic bushing provided on the heat plate. This spacing provides an air gap between the heat plate and fuel tank for cooling the heat plate. A steering column bracket is attached to the curved front portion of the main frame member.

REFERENCES:
patent: 1347337 (1920-07-01), Kline
patent: 2919139 (1959-12-01), Rupp, II
patent: 4600074 (1986-07-01), Watanabe et al.
patent: 4687069 (1987-08-01), Inomata et al.
patent: 4735275 (1988-04-01), Tsukahara et al.
patent: 4836324 (1989-06-01), Morita et al.
patent: 4892165 (1990-01-01), Yasui et al.
patent: 4930811 (1990-06-01), Tsukada et al.

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