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:
Mar. 13, 2012
Filed:
Sep. 05, 2008
Kenichiro Yazawa, Tokyo, JP;
Hiroshi Sato, Chiba, JP;
Yoshiaki Kakinuma, Tokyo, JP;
Ichiro Koyanagi, Kanagawa, JP;
Kenichiro Yazawa, Tokyo, JP;
Hiroshi Sato, Chiba, JP;
Yoshiaki Kakinuma, Tokyo, JP;
Ichiro Koyanagi, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed herein is a bearing unit including a shaft; a radial bearing for supporting the outer circumferential surface of the shaft; a housing for accommodating the radial bearing, the housing having an open end from which the shaft is inserted and a closed end opposite to the open end in the axial direction of the shaft; a lubricating oil filled in the housing to reduce rotational friction of the shaft; a holding member provided at the open end of the housing for holding the lubricating oil; and a sealing member for closing the open end of the housing to prevent the leakage of the lubricating oil; wherein the sealing member having a side wall portion interposed between the holding member and the shaft and opposed to the outer circumferential surface of the shaft.