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:
Aug. 27, 2019
Filed:
Mar. 03, 2015
Thk Co., Ltd., Tokyo, JP;
THK CO., LTD., Tokyo, JP;
Abstract
This rolling deviceincludes an inner memberprovided with a rolling element rolling groove, and an outer memberattached to the inner memberto be relatively movable via a plurality of rolling elements. The outer memberincludes an outer member main body portionincluding a loaded rolling element rolling grooveforming a loaded rolling element rolling raceway in cooperation with the rolling element rolling grooveand a non-loaded rolling element rolling racewayarranged to correspond to the loaded rolling element rolling groove, and a pair of lidsattached to both end surfaces of the outer member main body portionin a relatively-moving direction and having at least a part of a direction changing racewayconnecting one end of the loaded rolling element rolling raceway to one end of the non-loaded rolling element rolling raceway. Each of the lidsis provided with a projection portionincluding at least the part of the direction changing raceway. Also, the projection portionis provided with a lubricant supply path. With this configuration, this rolling devicecan circulate the plurality of rolling elements smoothly in an endless circulation raceway.