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. 07, 2010
Filed:
Dec. 19, 2005
Takeki Shirai, Tokyo, JP;
Toshikazu Yoshii, Tokyo, JP;
Takeki Shirai, Tokyo, JP;
Toshikazu Yoshii, Tokyo, JP;
THK Co., Ltd., Tokyo, JP;
Abstract
A motion guide deviceincludes a track railas a track member and a movable membermounted to the track railvia a plurality of ballsThe plural ballsof the motion guide deviceare disposed in an endless circulation passagecomposed of a loaded rolling passageformed between the track railand the movable memberand a non-loaded rolling passage formed to the movable memberso as to connect one and another ends of the loaded rolling passageA portion of the track railor movable memberin the vicinity of the rolling member rolling surface thereof contacting to the plural ballsis formed of a metal material, and the other portion thereof is formed of an FRP. According to such structure, there can be provided a motion guide devicehaving a high strength and a high rigidity as well as a reduced weight.