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US 4,906,009 AGranted
Sealing apparatus
AssigneeNok Corporation
InventorTakayuki Saitoh
Life of this patent
Estimating the term…
Abstract
A sealing apparatus has a main body which is mounted on a housing and is provided with a sealing lip, and a rotary body mounted on a rotary shaft of a member with which the apparatus is combined. The rotary body extends in the radial direction of the rotary shaft and has one side surface which is in sliding contact with the sealing lip. The apparatus also has at least one projection member provided on that side surface of the rotary body on the radially outer side thereof.
Claims12
A sealing apparatus comprising:
- a housing;
- a sealing apparatus main body mounted on said housing and provided with a sealing lip;
- a rotary body mounted on a rotary shaft of a member with which said apparatus is combined, said rotary body extending in a radial direction of said rotary shaft and having one side surface which is in sliding contact with said sealing lip;
- and
- a projection member provided on an inner side surface of said rotary body at a location radially outward of a tip portion of said sealing lip, said projection member having a pentahedral configuration having faces disposed in bilateral symmetry.
2 more elements
A sealing apparatus comprising:
- a housing;
- a sealing apparatus main body mounted on said housing and provided with a sealing lip;
- a rotary body mounted on a rotary shaft of a member with which said apparatus is combined, said rotary body extending in a radial direction of said rotary shaft and having one side surface which is in sliding contact with said sealing lip;
- and
- a projection member provided on an inner side surface of said rotary body at a location radially outward of a tip portion of said sealing lip, said projection member having a tetrahedral configuration having faces disposed in bilateral symmetry.
2 more elements
A sealing apparatus comprising:
- a housing;
- a sealing apparatus main body mounted on said housing and provided with a sealing lip;
- a rotary body mounted on a rotary shaft of a member with which said apparatus is combined, said rotary body extending in a radial direction of said rotary shaft and having one side surface which is in sliding contact with said sealing lip;
- and
- a projection member provided on an outer side surface of said rotary body at a location outward of a tip portion of said sealing lip, said projection member having a pentahedral configuration having faces disposed in bilateral symmetry.
2 more elements
A sealing apparatus comprising:
- a housing;
- a sealing apparatus main body mounted on said housing and provided with a sealing lip;
- a rotary body mounted on a rotary shaft of a member with which said apparatus is combined, said rotary body extending in a radial direction of said rotary shaft and having one side surface which is in sliding contact with said sealing lip;
- and
- a projection member provided on an outer side surface of said rotary body at a location radially outward of a tip portion of said sealing lip, said projection member having a tetrahedral configuration having faces disposed in bilateral symmetry.
2 more elements
Dependencies are inferred from the claim text.