Patent attributes
A sealing device capable of preventing, when a shaft and a housing move relative to each other, the sealing device from moving together with the shaft. A resin seal ring 100 includes a cylindrical section 110, a pair of inner circumference lips 120 respectively provided on both sides of the cylindrical section 110 in the axial direction, a pair of outer circumference lips 130 respectively provided on both sides of the cylindrical section 110 in the axial direction, and an annular mounting groove 111 which is provided on an outer circumference surface of the cylindrical section 110 and in which the elastic seal ring 300 is mounted. The pair of inner circumference lips 120 are configured to slide on an outer circumference surface of the shaft. The pair of outer circumference lips 130 are configured to be in close contact with the inner circumference surface of the shaft hole.
