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US 8,037,962 B2Granted
Motorcycle
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTomoshige Susaki
Life of this patent
Estimating the term…
Abstract
A motorcycle that maintains sufficient vehicle rigidity with a simple structure. A main frame has an up-and-down extension part in a vehicle width center, side plates disposed apart on the right and left of the up-and-down extension part, and first and second supporting pipes. Both ends of the supporting pipes are attached to the side plates.
Claims11
A motorcycle comprising:
- a main frame including an up-and-down extension part arranged to extend in an up-and-down direction of the motorcycle at a widthwise center of the motorcycle;
- side plates disposed apart from each other on a right side and a left side of the up-and-down extension part;
- and
- a plurality of supporting pipes fixed to the up-and-down extension part and arranged to extend in a widthwise direction of the motorcycle;
- wherein
- the side plates are attached to each of a left side and a right side of at least one of the plurality of supporting pipes;
- the plurality of supporting pipes are welded to an outer surface of the up-and-down extension part;
- the up-and-down extension part includes a substantially rectangular pipe arranged to extend in the up-and-down direction of the motorcycle;
- flat side surfaces of the substantially rectangular pipe face a fore-and-aft direction of the motorcycle;
- and
- the at least one of the plurality of supporting pipes is joined to a front surface or a rear surface of the up-and-down extension part.
8 more elements
A motorcycle comprising:
- a main frame including an up-and-down extension part arranged to extend in an up-and-down direction of the motorcycle at a widthwise center of the motorcycle;
- side plates disposed apart from each other on a right side and a left side of the up-and-down extension part;
- and
- a supporting pipe fixed to the up-and-down extension part and arranged to extend in a widthwise direction of the motorcycle;
- wherein
- the side plates are attached to each of a left side and a right side of the supporting pipe;
- the supporting pipe has a substantially square shape, and the supporting pipe is connected to a lower end of the up-and-down extension part;
- and
- the side plates are secured to the supporting pipe at a plurality of locations.
6 more elements
A motorcycle comprising:
- a main frame including an up-and-down extension part arranged to extend in an up-and-down direction of the motorcycle at a widthwise center of the motorcycle;
- side plates disposed apart from each other on a right side and a left side of the up-and-down extension part;
- and
- a supporting pipe fixed to the up-and-down extension part and arranged to extend in a widthwise direction of the motorcycle;
- wherein
- the side plates are attached to each of a left side and a right side of the supporting pipe;
- the supporting pipe has a substantially square shape, and the supporting pipe is connected to a lower end of the up-and-down extension part;
- and
- a bracket is arranged to connect the supporting pipe to a rear side of a crankcase of an engine.
6 more elements
Dependencies are inferred from the claim text.