Patent ID: 8696204
Filing Date: 2014-04-15
Classification: F16C

Abstract:
1. A side seal for a linear guide apparatus attached to each of both ends in a moving direction of a slider constituting a linear guide apparatus, the linear guide apparatus comprising a guide rail, the slider, and a plurality of rolling elements, for sealing a space between the slider and a top face of the guide rail and between the slider and both side faces of the guide rail, the side seal comprising: a cover comprising an upper member facing the top face of the guide rail with a clearance, and side members facing both side faces of the guide rail with a clearance; two seal members disposed between the cover and the slider, and each of the two seal members comprising a lip in contact with the top face and both side faces of the guide rail and a base, a base end of which has a first face and a second face; and two holder plates, each of the two holder plates holding a respective base of a respective one of the two seal members, wherein engaging portions are formed on both faces of the base of each of the two seal members in a thickness direction, the engaging portions being symmetrical with respect to a center line of the thickness direction, and wherein the lip of each of the two seal members is inclined from the first face toward the second face, and wherein a holder portion formed in an internal side of each of the two holder plates has a protrusion to be fitted into one of the engaging portions of a respective one of the two seal members, a first holding face formed inwardly of the protrusion, a second holding face formed outwardly of the protrusion, and a third holding face formed outwardly of the second holding face, and wherein the two seal members are a first seal member and a second seal member, and wherein the first face of the base end of the base of the first seal member comes into contact with the second holding face of the holder portion of a first one of the two holder plates to engage the engaging portion formed on the first face of the base end of the base of the first seal member with the first one of the two holder plates, and wherein the second face of the base end of the base of the second seal member comes into contact with the second holding face of the holder portion of a second one of the two holder plates to engage the engaging portion formed on the second face of the base end of the base of the second seal member with the second one of the two holder plates, and wherein the first seal member and the second seal member are assembled in combination.