Patent ID: 8662752
Filing Date: 2014-03-04
Classification: F16C,Y10T

Abstract:
1. A motion guide device, comprising: a track member in which a rolling element rolling unit is formed; a moving block in which a load rolling element rolling unit is formed and including a rolling element return path, the load rolling element rolling unit opposing the rolling element rolling unit, and the rolling element return path extending substantially parallel to the load rolling element rolling unit; a pair of cover members formed at both of front and rear ends in a moving direction of the moving block and including a direction change path connecting the load rolling element rolling unit and the rolling element return path; a plurality of rolling elements arranged in a freely rolling manner within a rolling element circulation path configured by the load rolling element rolling unit, the rolling element return path, and the direction change path; and a lubrication path provided in at least one of the pair of cover members and configured to supply a lubricant to the rolling element circulation path, wherein the lubrication path includes: wherein the first lubrication path is formed in a hollow shape continuous to inside a built-up portion projecting from a thinned-down portion of the cover member.