Wheel structure
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsAkio Handa, Hideo Yanai, Bunzo Seki, Atsuko Yamaguchi
Life of this patent
Estimating the term…
Abstract
A large-diameter part, the diameter of which is larger than the diameter in the center, is provided at the edges of a rim via parts having a difference in a level. Curled parts are provided on both edges of the rim by curling the large-diameter part. Each end face of the curled parts is touched to the parts having a difference in a level. The rigidity of the side of the edge of the rim can be enhanced by providing the parts having a difference in a level to the rim. As a result, the rigidity of the whole wheel can be enhanced and in addition, as a disc and the rim are not required to be thickened, the weight of the wheel can be prevented from being increased.
Claims18
A wheel structure comprising:
- a rim including a central portion, an inner portion and an outer portion;
- an inner curled portion formed on a terminal end of said inner portion;
- and
- an outer curled portion formed on a terminal end of said outer portion;
- said central portion being of a first predetermined diameter;
- said inner portion being of a second predetermined diameter;
- said outer portion being of a third predetermined diameter;
- wherein said second predetermined diameter of said inner portion is greater in diameter relative to said third predetermined diameter of said outer portion.
A wheel structure comprising:
- an inner wheel including a central portion and an inner portion, said inner portion being of a first predetermined diameter;
- an inner curled portion being formed on an inner surface of said inner wheel;
- an outer wheel including a central portion and an outer portion, said outer portion being of a second predetermined diameter;
- and
- an outer curled portion being formed on an exterior surface of said outer wheel;
- wherein said first predetermined diameter of said inner portion is greater in diameter relative to the second predetermined diameter of said outer portion.
Dependencies are inferred from the claim text.