Title:
BEARING DEVICE FOR VEHICLE WHEEL
Document Type and Number:
WIPO Patent Application WO/2022/259460
Kind Code:
A1
Abstract:
This bearing device 10 comprises: an outer ring 12; an inner member 11 having, on one side thereof in an axial direction, a flange part 27 provided with a plurality of bolt holes 28 for fixing a vehicle wheel, and tap holes 38 for fixing a brake rotor; and a plurality of balls 13 disposed between the outer ring 12 and the inner member 11. The flange part 27 includes: a thin wall part 34 formed in a first region which is a region between bolt holes 28 circumferentially adjacent to each other and has through-holes 40 passing through in the axial direction, and does not have the tap holes 38, and in a second region having the tap holes 38, a first thick wall part 33 including a portion in which regions around the bolt holes 28 are raised from the thin wall part 34 toward the other side in the axial direction; and a second thick wall part 37 in which regions around the tap holes 38 are raised from the thin wall part 34 of the second region toward the other side in the axial direction.
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Inventors:
TAKADA YOSHITO (JP)
MURAKAMI TAKANOBU (JP)
MURAKAMI TAKANOBU (JP)
Application Number:
PCT/JP2021/022104
Publication Date:
December 15, 2022
Filing Date:
June 10, 2021
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
F16C35/06; B60B35/02
Foreign References:
| JP2014121903A | 2014-07-03 | |||
| JP2017190865A | 2017-10-19 | |||
| JP2018034775A | 2018-03-08 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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