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:
Nov. 13, 2007
Filed:
Sep. 16, 2003
Hiroshi Ueno, Tondabayashi, JP;
Masaaki Ohtsuki, Kashihara, JP;
Shinji Fukuda, Kashiwara, JP;
Kenji Sakamoto, Kashiba, JP;
Syouji Eguchi, Nara, JP;
Hiroshi Ueno, Tondabayashi, JP;
Masaaki Ohtsuki, Kashihara, JP;
Shinji Fukuda, Kashiwara, JP;
Kenji Sakamoto, Kashiba, JP;
Syouji Eguchi, Nara, JP;
JTEKT Corporation, Osaka, JP;
Abstract
A bearing device mountable on a smaller bearing and allowing to be automatically lubricated for a long period, comprising an inner ring and an outer ring rotated relative to each other, cages and rolling elements held by the cages which are disposed in an annular space between the inner and outer rings, a seal ring disposed on both sides of the inner and outer rings, and a unit body formed of a battery, a tank for storing lubricant, and a pump sucking and discharging the lubricant from the tank which is disposed between the outer ring and the inner ring detachably from the seal ring, wherein the lubricant is discharged from the pump into the annular space in which the rolling elements are disposed and the discharged amount of the lubricant from the pump is controlled by a sensor and a control circuit, and the unit body is formed detachable, whereby a lubrication unit installed in the bearing can be made compact and slim.