Patent ID: 6102572
Filing Date: 2000-08-15
Classification: F16C

Abstract:
A linear motion guide unit comprising;a track rail having first raceway grooves on lengthwise side surfaces thereof;a sliding element movable in a sliding manner along and with respect to the track rail and composed of a casing and end caps attached on the casing, and the casing having second raceway grooves confronting the raceway grooves of the track rail;rolling elements running through endless-circulating passages that consists of return passages in the casing, turnaround passages in the end caps and raceways defined between the confronting raceway grooves;separators arranged between any two adjoining rolling elements running through the endless-circulating passages so as to space apart the rolling elements from each other;the separators each having a separator column formed with ball-contacting surfaces for carrying the rolling elements thereon at opposite faces in a running direction of the rolling elements, and webs formed integrally with the column and extended fore-and-aft along the running direction of the rolling elements over the rolling elements, and the webs being each provided therein with channels; andstrings threading through the channels in the web so as to interconnecting the separators in series.