The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2006
Filed:
Feb. 06, 2003
Teruyuki Wakisaka, Nara, JP;
Shigetaka Ashida, Nara, JP;
Shinichirou Kashiwagi, Yao, JP;
Shinnosuke Takasaki, Kashiwara, JP;
Teruyuki Wakisaka, Nara, JP;
Shigetaka Ashida, Nara, JP;
Shinichirou Kashiwagi, Yao, JP;
Shinnosuke Takasaki, Kashiwara, JP;
Koyo Seiko Co., Ltd, Osaka, JP;
Abstract
A bearing device for an axle: including a hub wheel; a flange outwardly provided in an outer periphery of the hub wheel in a radial direction; and bolts having serrations provided at their heads. The flange includes through holes formed therein in its circumferential direction such as to pass therethrough in its axial direction, the bolts are attached into the through holes, respectively, in a state where their serrations bite the through holes of the flange, and an annular groove for reducing a biting amount of the serrations of the bolt is formed in an inner peripheral surface of the through hole of the flange.