Patent ID: 6655839
Filing Date: 2003-12-02
Classification: F16C

Abstract:
A linear guide device comprising:a plurality of rolling elements; a guide rail extending in an axial direction thereof and having a rolling element rolling groove which is formed in a side wall thereof and is extended in the axial direction; and a slider including a rolling element rolling groove, which faces said rolling element rolling groove of said guide rail, said slider being supported in a manner that said slider is axially movable through the rolling of said rolling elements put in a space defined between said rolling element rolling grooves of said guide rail and said slider, said slider further including a return passage axially passing through said slider and also first and second curved element circulating R-parts which communicate said return passage, said space and said slider so as to form a rolling element endless circulating passage through which the rolling elements are endlessly circulated, a plurality of spacers each interposed between the rolling elements adjacent to each other in the circulating direction, and each of said spacers has a rigidity value of each said spacer is selected to be within 0.053 N/&mgr;m to 0.175 N/&mgr;m.