Patent ID: 9482273
Filing Date: 2016-11-01
CPC Classification: F16C

Claim Text:
1. A linear guide device comprising: a guide rail; a slider; and a plurality of rolling elements, wherein the guide rail and the slider have rolling contact surfaces that are arranged to face each other and form a rolling passage for the rolling elements, the slider is configured to move linearly with respect to the guide rail via the rolling elements that roll in the rolling passage, a side seal having a lip portion in sliding contact with the guide rail is arranged at each of both ends of the slider in a motion direction, the side seal has one or a plurality of seals, the seal has the lip portion, and a holder plate made of hard resin configured to hold the lip portion and to be mounted on the slider, the holder plate has a thickness retention portion configured to retain plate thickness, and a thin portion that is thinner and has a lower rigidity than the thickness retention portion, the thickness retention portion is formed along at least a portion of an outer edge of the holder plate where there is not the lip portion, the thin portion is blocked by the thickness retention portion from the outside, the holder plate has a hole through which a fixing screw for fixing the seal to the slider is inserted, a thickness retention portion configured to retain the thickness of the holder plate is formed also around the hole, and the thickness retention portion around the hole has the same thickness as the thickness retention portion at the outer edge, and is formed in a shape configured to partially surround the circumference of the hole.