JP2006316887A5 - - Google Patents

Claims (7)

A guide rail, a slider main body having a rolling element rolling groove facing the rolling element rolling groove formed on the guide rail, and formed between the rolling rail rolling grooves of the guide rail and the slider main body. Along with a relative linear motion of two end caps each having a rolling element rolling path and a direction changing path communicating with a rolling element return path formed in the slider body, and a slider comprising the slider body and the end cap. In a linear motion guide device comprising a plurality of rolling elements rolling on the rolling element rolling path, the rolling element return path and the direction changing path, and a sleeve inserted into the rolling element return path,
The sleeve has at least one divided portion in the longitudinal direction and is locked so that the divided portions do not come into contact with each other . A guide rail, a slider main body having a rolling element rolling groove facing the rolling element rolling groove formed on the guide rail, and formed between the rolling rail rolling grooves of the guide rail and the slider main body. Along with a relative linear motion of two end caps each having a rolling element rolling path and a direction changing path communicating with a rolling element return path formed in the slider body, and a slider comprising the slider body and the end cap. A plurality of rolling elements rolling on the rolling element rolling path, the rolling element return path and the direction changing path, a rolling element holder having a plate portion between the slider body and the end cap, and the rolling element In a linear motion guide device comprising: a resinous belt-shaped separator that separates a cylindrical resin sleeve inserted into the rolling element return path;
The sleeve is divided into a substantially semi-cylindrical shape, a sleeve support hole for supporting the end of the sleeve is provided in the plate portion of the rolling element holder, and the end of the sleeve inserted into the sleeve support hole is provided. The sleeve support hole is expanded and locked in the outer diameter direction, and a positioning portion for forming a guide path for the separator in the rolling element return path is provided in the plate portion of the rolling element holder. Motion guide device. 3. The linear guide apparatus according to claim 2, wherein an engagement portion that engages with the positioning portion is provided on the sleeve. 4. The linear motion guide device according to claim 3, wherein the engaging portion is formed by cutting out a part of the divided portion of the sleeve in an arc shape.   4. The linear motion guide device according to claim 3, wherein the engaging portion is formed by cutting out a part of the outer peripheral surface of the sleeve into a concave shape.   6. The linear motion guide device according to claim 4, wherein the engaging portion is provided over the entire length of the sleeve. A guide rail, a slider main body having a rolling element rolling groove facing the rolling element rolling groove formed on the guide rail, and formed between the rolling rail rolling grooves of the guide rail and the slider main body. Along with a relative linear motion of two end caps each having a rolling element rolling path and a direction changing path communicating with a rolling element return path formed in the slider body, and a slider comprising the slider body and the end cap. A plurality of rolling elements rolling on the rolling element rolling path, the rolling element return path and the direction changing path , a rolling element holder having a plate portion between the slider body and the end cap, and the rolling element In a linear guide device comprising a sleeve inserted in a return path,
It said sleeve have at least one dividing section over its longitudinal direction, and the sleeve support portion for supporting the end portion of the sleeve is provided in the plate portion of the rolling body cage, inserted the sleeve into the sleeve support holes The linear guide device is characterized in that the end portion of the sleeve is pushed and expanded in the outer diameter direction of the sleeve support hole .