Vehicle body frame structure of two-wheeler

Details Vehicle body frame structure of two-wheeler Vehicle body frame structure of two-wheeler

2006-10-03

2006-10-03

Winner, Tony (Department: 3611)

Motor vehicles

Special wheel base

Having only two wheels

Reexamination Certificate

active

07114588

ABSTRACT:
A vehicle body frame structure for a two-wheeler provides a sufficient distance between exhaust pipes and a front wheel, to facilitate the arrangement of a heat-discharging member such as a radiator or an oil cooler, or other auxiliary components, to increase heat-discharging property by increasing the capacity of the heat-discharging member, and improving flexibility in design such as the shape or the layout of the vehicle body frame and the exhaust pipes. In a two-wheel vehicle having an engine mounted to a vehicle body frame, the engine having exhaust pipes extending forwardly and downwardly and a pair of left and right down tubes extending substantially downwardly from a head pipe provided at the front end of the vehicle body frame, the vehicle body frame includes a first cross member for connecting the left and right down tubes, and the first cross member is formed with arcuate recesses for allowing part of the exhaust pipes to pass therethrough.

REFERENCES:
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patent: RE31724 (1984-11-01), Isaka
patent: 4678054 (1987-07-01), Honda et al.
patent: 4881614 (1989-11-01), Hoshi et al.
patent: 5653303 (1997-08-01), Kawamoto
patent: 5823286 (1998-10-01), Ishihara et al.
patent: 5845728 (1998-12-01), Itoh et al.
patent: 6502658 (2003-01-01), Nagashii
patent: 3194288 (2001-07-01), None
patent: 3370888 (2003-01-01), None

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