Title:
自動車用ホイール
Document Type and Number:
Japanese Patent JP5281435
Kind Code:
B2
Abstract:
An automobile wheel having a wheel di.sk with improved stiffness and increased strength and driving stability. An imaginary inward angled line is tangential to an inner circumferential surface of an inward recessed circumferential portion of a hat portion and tangential to an inner circumferential surface of a hub surface rounded portion of a hub mounting portion. An imaginary outward angled line is tangential to an inner circumferential surface of an outward recessed circumferential portion of the hat portion and runs through an intersection point of a disk flange and an imaginary bottom line. The imaginary bottom line extends along a back side surface of the hub mounting portion. The imaginary inward and outward angled lines satisfy a ratio of an imaginary outward angle to an imaginary inward angle of equal to or greater than 0.8 to equal to or smaller than 1.25 with respect to the imaginary bottom line.
Inventors:
Akiyoshi Kozaki
Nakamura Takumitsu
Nakamura Takumitsu
Application Number:
JP2009042711A
Publication Date:
September 04, 2013
Filing Date:
February 25, 2009
Export Citation:
Assignee:
Chuo Seiki Co., Ltd.
International Classes:
B60B3/04
Domestic Patent References:
| JP2001180202A | ||||
| JP1106701A | ||||
| JP2008114723A |
Attorney, Agent or Firm:
Kitao Matsuura
Yu Yamamoto
Yasutoshi Iwata
Yu Yamamoto
Yasutoshi Iwata
Previous Patent: FORMATION OF THIN FILM AT END FACE OF OPTICAL WAVEGUIDE MEMBER
Next Patent: OPTICAL STAR COUPLER
Next Patent: OPTICAL STAR COUPLER