Title:
オイルシール及びシール付軸受
Document Type and Number:
Japanese Patent JP6797719
Kind Code:
B2
Abstract:
The present invention pertains to an oil seal and a seal attached bearing, the oil seal being provided with positive gaps (14) between surface sections (13) and a seal sliding surface (7) of a counter member (2), the surface sections (10) being disposed in a seal lip (10) across protrusions (11) neighboring each other in the circumferential direction, wherein the values (d) of the gaps (14) between circumferential centers (13a) of the surface sections (13) and the seal sliding surface (7) are set to no more than 0.7 times the height (H) of the protrusions (11).
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Inventors:
Tomohiro Mizukai
Application Number:
JP2017040560A
Publication Date:
December 09, 2020
Filing Date:
March 03, 2017
Export Citation:
Assignee:
ntn corporation
International Classes:
F16J15/3204; F16C19/06; F16C33/66; F16C33/78; F16J15/324
Domestic Patent References:
| JP2004060751A | ||||
| JP9159031A |
Foreign References:
| US5921555 | ||||
| US5139275 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Tounaga Mitsuhiro
Bunji Kamada
Yaichiro Nakatani
Tounaga Mitsuhiro