Title:
WHEEL
Document Type and Number:
Japanese Patent JP3949099
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a high-strength wheel economically by establishing a smaller size of the facility and a reduction of the cost.
SOLUTION: The wheel 1 is composed of a rim made of aluminum alloy and a disc made also of the aluminum alloy. The disc is equipped with a split disc 4 in five segments having the same shape and dimensions and a cup-shaped member 3 formed in a single piece over the whole circumference. The split disc 4 is welded to the cup-shaped member 3 and the rim. Each disc segment 4 has an inside corner part 41r and a corner part 41l in contact mating state with each other and the edge 42r and edge 42l of the disc 4 are in a contact mating state with each other. The ring part 3t on the inside of the cup-shaped member 3 is subjected to a curling process and thereby is caulked to the end on the inside of the segments of the split disc 4. A common through hole 5 is provided in the cup-shaped member 3 and the split disc 4 over the whole circumference.
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Inventors:
Takagi, Shigemasa
Takagi, Yutaka
Takagi, Yutaka
Application Number:
JP2003000420767
Publication Date:
April 27, 2007
Filing Date:
December 18, 2003
Export Citation:
Assignee:
FUJI SHOJI KK
International Classes:
B60B3/04; B60B3/12; B60B1/06; B60B1/10; B60B3/00; B60B1/00; (IPC1-7): B60B3/04; B60B1/06