Patent ID: 7329047

Claim:
A motion guide device comprising: a track member formed with a first rolling member rolling portion; a movable member formed with a second rolling member rolling portion and assembled to the track member to be movable relatively thereto; a plurality of rolling members which circulate in a circulation passage, said circulation passage comprising a loaded rolling passage composed of both the first and second rolling member rolling portions formed on the track member and the movable member respectively, a non-loaded return passage formed in the movable member and a pair of rolling direction changing passages connecting the loaded rolling passage and the non-loaded return passage; a rolling member connection belt holding the plurality of rolling members to be rotatable in the circulation passage, said rolling member connection belt being made of a metal plate member which has a corrugated-shape in a longitudinal cross-section, wherein said corrugated-shape is formed in at least a portion of a longitudinal direction of the metal plate member, and wherein said corrugated-shape includes peak and valley portions each extending in a direction normal to the longitudinal direction of the metal plate member.