Patent ID: 6412983
Filing Date: 2002-07-02
Classification: F16C

Abstract:
A linear motion guide unit comprising; a track rail having first raceway grooves on lengthwise side surfaces thereof; a slider riding astride on the track rail for movement in a sliding manner along and with respect to the track rail, the slider being made with second raceway grooves confronting the raceway grooves of the track rail; recirculating passages composed of load areas defined between the confronting first and second raceway grooves, and non-loaded areas formed in the slider to communicate with the load areas; rolling elements running through the recirculating passages; and separators disposed between any two adjacent rolling elements to move together with the rolling elements through the recirculating passages; wherein at least one of the separators is comprised of a major body allowing a minimum interval for the two adjacent rolling elements, and elastic supports arranged radially extended around the major body to keep the adjacent rolling elements apart away each other with a distance larger than the minimum interval.