Patent attributes
A sealing apparatus for sealing between a rotary shaft 11 and a housing 12 that can be rotated relative to each other, having a circular ring body 3 provided on the rotary shaft 11 and a seal lip body 6 made of a flexible material provided on the housing 12, wherein the seal lip body 6 has a discharge fin 8 on the outer peripheral side of a sealing part 6a which makes sliding contact with the circular ring body 3, and when the two members 11 and 12 rotate relative to each other, the surface of the discharge fin 8 on the side advancing relative to the circular ring body 3 composes an inclined surface receding more on the front edge side than the base end side of the discharge fin 8, and by this inclined surface, oil is discharged away from the sealing portion 6a.
