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:
Jun. 15, 1982
Filed:
Jul. 21, 1980
Applicant:
Inventors:
Hisashi Satoh, Hiratsuka, JP;
Yukihiro Akabane, Tokyo, JP;
Yukio Shiraiwa, Yokohama, JP;
Shuyou Tsuchiya, Fujisawa, JP;
Assignee:
Nippon Seiko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ; F16C / ;
U.S. Cl.
CPC ...
308193 ; 308188 ;
Abstract
In a ball bearing including an outer race, an inner race and ball-like rolling members interposed between the two races, the outer race has a single arcuate orbit groove and when the orbit groove coefficient of the inner race is expressed as ##EQU1## where .rho..sub.0 is the curvature radius of the groove bottom of the orbit groove of the inner race, .rho..sub.1 is the curvature radius of the groove edge of said orbit groove and D is the diameter of the rolling members,