Title:
VEHICLE WHEEL DISK AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2018150041
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a single mounting type vehicle wheel disk capable of achieving weight saving of a disk as compared with a conventional one, and to provide a manufacturing method thereof.SOLUTION: A vehicle wheel disk is manufactured from plate-shaped disk material. The vehicle wheel disk 10 and a manufacturing method thereof include a hub mounting portion 12, a disk flange portion 13, and a hat portion 14. The hat portion 14 includes a hat top portion 15 protruding outwardly in an axial direction of the disk, a hat inner circumference portion 16 connecting the hat top portion 15 and the hub mounting portion 12, and a hat outer circumference portion 17 connecting the hat top portion 15 and the disk flange portion 13. In the vehicle wheel disk, a first thickness-reduced portion 18a which has a thickness smaller than that of the disk material is formed at the hat outer circumference portion 17.SELECTED DRAWING: Figure 2
Inventors:
ABE KISHIRO
NISHIBAYASHI AKIRA
TAKANO TAKAMITSU
SANO KAZUTAKA
ISOMURA YUTA
NISHIBAYASHI AKIRA
TAKANO TAKAMITSU
SANO KAZUTAKA
ISOMURA YUTA
Application Number:
JP2018074135A
Publication Date:
September 27, 2018
Filing Date:
April 06, 2018
Export Citation:
Assignee:
TOPY IND
International Classes:
B60B3/04; B21D22/26; B21D53/26
Attorney, Agent or Firm:
Keio Tabuchi
Tomoo Tabuchi
Tomoo Tabuchi