Patent ID: 6123458
Filing Date: 2000-09-26
Classification: F16C

Abstract:
A linear guide assembly comprising:a guide rail having three rows of ball rolling grooves on each side thereof;a slider slidably mounted on said guide rail, said slider having legs extending along both sides of the guide rail, each of the legs of the slider including three rows of ball rolling grooves respectively disposed in opposition to said three rows of said ball rolling grooves of said guide rail so as to define three rows of ball rolling passages therebetween, said slider being provided with a number of ball circulating passages containing said respective ball rolling passages; anda number of balls being put in each of said ball circulating passages;wherein each ball put in at least two rows of said three rows of said ball rolling passage contacts at four points with the surfaces of said ball rolling grooves of said guide rail and said slider, while each balls put in the remaining ball rolling passage contacts at least two points with the surfaces of the ball rolling grooves of said guide rail and said slider.