Linear Guide Device
AssigneeNsk Ltd.
InventorJun MATSUMOTO
Life of this patent
Estimating the term…
Abstract
A side seal included in a linear guide device of the present disclosure has one or a plurality of seals, and the seals each have a lip portion, and a holder plate made of hard resin configured to the lip portion and to be mounted on a slider. The holder plate has a thickness retention portion configured to retain plate thickness, and a thin portion that is thinner than and has a lower rigidity than the thickness retention portion. The thickness retention portion is formed along at least the portion of an outer edge of the holder plate where there is not the portion. The thin portion is blocked by the thickness retention portion from the outside.
Claims9
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, and
- the thin portion is blocked by the thickness retention portion from the outside.
Dependencies are inferred from the claim text.