Title:
SEALING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/117102
Kind Code:
A1
Abstract:
[Problem] To provide a sealing device having an excellent function of preventing the entry of foreign matter. [Solution] This sealing device adapted to be installed between the rotating inner member of a rolling bearing and the stationary outer member of the rolling bearing is provided with: an annular rotating seal member affixed to the inner member; and an annular seal cover affixed to an end of the outer member. The seal cover is provided with: a stationary portion installed in the gap between the outer member and the inner member and affixed to an end of the outer member; and a protective portion installed radially outside the rotating seal member and preventing the movement of foreign matter to the rotating seal member from the outside. The rotating seal member is provided with: a mounting portion affixed to the inner member; and a seal lip and a dust lip, which extend toward the seal cover from the mounting portion. The dust lip extends obliquely radially outward toward the seal cover from the mounting portion.
Inventors:
KANZAKI GO (JP)
Application Number:
PCT/JP2017/045539
Publication Date:
June 28, 2018
Filing Date:
December 19, 2017
Export Citation:
Assignee:
NOK CORP (JP)
International Classes:
F16J15/3204; F16C33/78
Domestic Patent References:
| WO2010113842A1 | 2010-10-07 |
Foreign References:
| JP2016205524A | 2016-12-08 | |||
| JP2014013063A | 2014-01-23 | |||
| JP2013224718A | 2013-10-31 | |||
| JP2011117529A | 2011-06-16 | |||
| FR3018874A1 | 2015-09-25 | |||
| JPS62233519A | 1987-10-13 | |||
| JP3991200B2 | 2007-10-17 |
Other References:
See also references of EP 3561327A4
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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