Patent ID: 7556430
Filing Date: 2009-07-07
Classification: F16C

Abstract:
1. A linear motion guide apparatus comprising: a guide rail, a slider slidably attached onto said guide rail for moving along said guide rail, a ball bearing device disposed between said slider and said guide rail for facilitating a sliding movement between said slider and said guide rail and for allowing said slider and said guide rail to be smoothly moved relative to each other, and a lubricating device including a housing slidably attached onto said guide rail and having a chamber formed therein for receiving a lubricant therein and for supplying the lubricant to lubricate said ball bearing device, and a lubricant-conveying member disposed in said chamber of said housing for absorbing the lubricant into said lubricant-conveying member even when said housing of said lubricating device is tilted or turned up side down relative to said slider and said guide rail, said housing including a tube extended into said chamber of said housing and having a bore formed therein, and a shank engaged into said bore of said tube and having a conduit formed therein, and said slider including an end cap having a lubricant-containing member disposed therein, and a lubricant-transmitting element engaged with said lubricant-containing member and said lubricant-conveying member for transmitting the lubricant from said lubricant-conveying member to said lubricant-containing member, said lubricant-transmitting element being received in said conduit of said shank.