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:
Jan. 31, 2012
Filed:
Aug. 27, 2008
Yoshito Takada, Nara, JP;
Katsuyuki Harada, Yamatokoriyama, JP;
Youichi Tsuzaki, Kashiba, JP;
Toshihiro Hakata, Kashiwara, JP;
Masaru Deguchi, Kashihara, JP;
Yoshito Takada, Nara, JP;
Katsuyuki Harada, Yamatokoriyama, JP;
Youichi Tsuzaki, Kashiba, JP;
Toshihiro Hakata, Kashiwara, JP;
Masaru Deguchi, Kashihara, JP;
JTEKT Corporation, Osaka, JP;
Abstract
It is a cage that is formed of a resin and that holds balls serving as rolling elements. The cage includes an annular base portion, and a plurality of claw portions that are formed to be arranged at constant intervals on the circumference of the base portion and to protrude therefrom. A pocket for accommodating the ball is formed between each pair of adjacent ones of the claw portions. In the resin cage for a ball bearing, thinning recesses are formed in end partsof the claw portions and a rear surface of the base portion, respectively.