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:
Dec. 31, 2019
Filed:
Sep. 08, 2017
Thk Co., Ltd., Tokyo, JP;
Ryuji Furusawa, Tokyo, JP;
Atsuhiro Tanaka, Tokyo, JP;
THK CO., LTD., Tokyo, JP;
Abstract
A motion guide device including a hollow track base that has a rolling element rolling face formed along a longitudinal direction and has a hollow portion formed to be substantially rectangular in section along the longitudinal direction, and a moving member that has a load rolling element rolling face formed in a position facing the rolling element rolling face, the moving member being assembled movably in the longitudinal direction of the track base via a plurality of rolling elements between the rolling element rolling face and the load rolling element rolling face, wherein in the track base, a heat-treated region in which heat treatment is applied to a region including the rolling element rolling face and a non-heat-treated region to which heat treatment is not applied are formed in a section orthogonal to the longitudinal direction, and the heat-treated region is not superimposed on corner portions of the hollow portion.