Title:
VEHICLE WHEEL BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/059685
Kind Code:
A1
Abstract:
Provided is a vehicle wheel bearing device comprising an outer-side seal that is resistant to deterioration over time and can prevent foreign matter such as muddy water from penetrating into the interior of a bearing. This vehicle wheel bearing device comprises an outer-side seal member 7 that seals an outer-side opening end of an annular space formed by an outer wheel 2 and a hub wheel 3. The outer-side seal member 7 has a core metal 8 that is fitted to the outer wheel 2, a seal member 10 that is joined to the core metal 8, and a metal ring 9 that is fitted to the hub wheel 3 and with which the seal member 10 is in sliding contact. An annular space S is provided between the metal ring 9 and the hub wheel 3, and the annular space S is filled with a sealing material 20.
Inventors:
WATANABE TSUKASA (JP)
Application Number:
PCT/JP2021/033809
Publication Date:
March 24, 2022
Filing Date:
September 14, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/18; B60B35/18; F16C33/78; F16J15/14; F16J15/3232; F16J15/3256; F16J15/40
Foreign References:
| JP2013242037A | 2013-12-05 | |||
| JP2017160960A | 2017-09-14 | |||
| JP2018054095A | 2018-04-05 | |||
| JP4893648B2 | 2012-03-07 |
Other References:
See also references of EP 4215771A4
Attorney, Agent or Firm:
YANO INTERNATIONAL PATENT ATTORNEYS OFFICE, P.C. (JP)
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