Patent ID: 6729760
Filing Date: 2004-05-04
Classification: F16C

Abstract:
A motion guide device which comprises a track member provided with a rolling member rolling portion and a movable member disposed to be movable along the track member through a number of rolling members and in which said movable member is provided with a loaded rolling member rolling portion corresponding to the rolling member rolling portion of the track member, a rolling member escape passage disposed in parallel to the loaded rolling member rolling portion with a predetermined distance and a pair of direction changing passages connecting the loaded rolling member rolling portion and the rolling member escape passage to thereby circulate the rolling members,wherein support members extending along both side edges of the loaded rolling member rolling portion, escape passage constituting members constituting the rolling members escape passages and a pair of inner periphery guide section constituting members constituting the inner peripheral portions of the direction changing passages, being made of resin, are formed to be independent from a body of the movable member and also independent from each other and are assembled to the body of the movable member, and wherein a pair of side lids constituting outer periphery guide sections of the direction changing passages are mounted to both longitudinal end portions of the movable member body, both the end portions of said support member are inserted into said side lids, and either one of the inner periphery guide section constituting member and the support member is formed with a positioning recess for positioning the support member with respect to the inner periphery guide section constituting member and the other one thereof is formed with a support member positioning protrusion to be engaged with said support member position recess.