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US 8,770,332 B2Granted
Motorcycle and vehicle body frame
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorsAkinori Hirano, Takehisa Katsura, Katsutoshi Satoh
Life of this patent
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Abstract
A vehicle body frame includes an upper frame, lower frame and a fastening member. The fastening member includes first and second bolts. The first bolt is provided to obliquely cross an axial line of a lower frame end connected to an upper frame end and to fasten the lower frame end to the upper frame end. The second bolt is provided to orthogonally cross the axial line of the lower frame end and fasten the lower frame end to the upper frame end.
Claims18
A motorcycle, comprising:
- an engine;
- and
- a vehicle body frame provided around the engine, the vehicle body frame including
- an upper frame including a head pipe, a main frame that extends backward and obliquely downward from the head pipe, and a front frame that extends downward from the head pipe, the upper frame having a first upper frame end that is a lower end of the front frame and a second upper frame end that is a lower end of the main frame,
- a lower frame provided between the first upper frame end and the second upper frame end, the lower frame including a first lower frame end connected to the first upper frame end and a second lower frame end connected to the second upper frame end, and
- a first fastening member fastening a joined upper frame end of the upper frame and a joined lower frame end of the lower frame, the joined upper frame end and the joined lower frame end being one of
- the first upper frame end and the first lower frame end respectively, and
- the second upper frame end and the second lower frame end respectively,
- the first fastening member including
- a first bolt provided to obliquely cross a first axial line of the joined lower frame end, and to fasten the joined lower frame end to the joined upper frame end, and
- a second bolt provided to orthogonally cross the first axial line and to fasten the joined lower frame end to the joined upper frame end.
8 more elements
A vehicle body frame provided around an engine for use in a motorcycle, comprising:
- an upper frame including a head pipe, a main frame that extends backward and obliquely downward from the head pipe, and a front frame that extends downward from the head pipe,
- wherein the upper frame has a first upper frame end that is a lower end of the front frame and a second upper frame end that is a lower end of the main frame;
- a lower frame provided between the first upper frame end and the second upper frame end,
- wherein the lower frame includes a first lower frame end connected to the first upper frame end and a second lower frame end connected to the second upper frame end;
- and
- a fastening member that fastens a joined upper frame end of the upper frame and a joined lower frame end of the lower frame, the joined upper frame end and the joined lower frame end being one of
- the first upper frame end and the first lower frame end respectively, and
- the second upper frame end and the second lower frame end respectively,
- the fastening member including
- a first bolt provided to obliquely cross an axial line of the joined lower frame end and to fasten the joined lower frame end to the joined upper frame end, and
- a second bolt provided to orthogonally cross said axial line to fasten the joined lower frame end to the joined upper frame end.
8 more elements
Dependencies are inferred from the claim text.