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:
Oct. 16, 2007
Filed:
Apr. 23, 2004
Hiroshi Ueno, Tondabayashi, JP;
Kazutoshi Toda, Tondabayashi, JP;
Hirofumi Dodoro, Kashihara, JP;
Shigeo Kamamoto, Kashiwara, JP;
Hiroki Matsuyama, Nara, JP;
Liming Lou, Yamatokooriyama, JP;
Michiru Ueda, Kashiba, JP;
Kiyoshi Ogino, Kashihara, JP;
Tomohiro Haruta, Kashiwara, JP;
Shinya Matsuda, Kashiba, JP;
Naoto Araki, Yao, JP;
Koshiro Yamakawa, Kashiwara, JP;
Kazuhisa Kajihara, Yao, JP;
Yoshio Tateishi, Yamatotakada, JP;
Hiroshi Ueno, Tondabayashi, JP;
Kazutoshi Toda, Tondabayashi, JP;
Hirofumi Dodoro, Kashihara, JP;
Shigeo Kamamoto, Kashiwara, JP;
Hiroki Matsuyama, Nara, JP;
Liming Lou, Yamatokooriyama, JP;
Michiru Ueda, Kashiba, JP;
Kiyoshi Ogino, Kashihara, JP;
Tomohiro Haruta, Kashiwara, JP;
Shinya Matsuda, Kashiba, JP;
Naoto Araki, Yao, JP;
Koshiro Yamakawa, Kashiwara, JP;
Kazuhisa Kajihara, Yao, JP;
Yoshio Tateishi, Yamatotakada, JP;
Koyo Seiko Co., Ltd., Osaka-shi, Osaka, JP;
Abstract
A tapered roller bearing includes: an outer race including an outer raceway surface; an inner race including an inner raceway surface and a larger collar surface which is a concave curved surface; and tapered rollers provided between the outer and inner races, each of the tapered rollers including a tapered surface and a larger end surface which is a convex curved surface communicating with the tapered surface and corresponds to the larger collar surface.