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. 28, 2003
Filed:
Feb. 23, 2001
Kazuyasu Chiba, Fujisawa, JP;
Hiroshi Shibazaki, Fujisawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
In a ball bearing having an inner ring and an outer ring independently supported in a relative displacement manner, balls are arranged by placing the balls in an annular space between the inner ring and the outer ring, placing nozzles beside the inner ring and the outer ring, the number of which is at least the same to that of the balls, making each of the nozzles face the opening on one side of the annular space between the inner ring and the outer ring, and causing stream of fluid by each of the nozzles to make the balls move circumferentially, so that the balls are arranged circumferentially with a uniform interval, wherein when the stream is caused by each of the nozzles, one of the inner and outer rings is relatively displaced with reference to the nozzles and the other ring, so that the relationship in position between the nozzles and the balls is changed.