Vehicle body frame for motorcycle and it fabrication method
First Claim
Patent Images
1. A vehicle body frame for a motorcycle, comprising:
- at least one first frame member being made of gravity die cast aluminum;
at least one second frame member being made of injection die cast aluminum, said at least one first and second frame members being secured together by welding to form a main frame of the motorcycle.
1 Assignment
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Accused Products
Abstract
To adopt die cast products as parts of a vehicle body frame. A vehicle body frame is provided with an alumite treating, showing that brightness and appearance of pivot plates which are die cast products differ from those of non-die cast products, head pipes, longitudinal pipes and cross pipe. By carrying out a local coating treatment on the pivot plates, the pivot plates are provided with a color the same as that of the head pipe, the longitudinal pipes and the cross pipe. By making die cast products portions of constituent parts, the fabrication cost of the vehicle body frame can be reduced.
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Citations
9 Claims
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1. A vehicle body frame for a motorcycle, comprising:
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at least one first frame member being made of gravity die cast aluminum;
at least one second frame member being made of injection die cast aluminum, said at least one first and second frame members being secured together by welding to form a main frame of the motorcycle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification