Title:
BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2023/149390
Kind Code:
A1
Abstract:
The inner circumference of a second rivet hole (12b) in the present invention is formed from a sheared surface (17b) with a constant cylindrical shape in which the inner diameter does not change along the axial direction and a fracture surface (18b) with a tapered shape that gradually expands in diameter from the sheared surface (17b) toward a mating surface (16b).
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Inventors:
KANBORI YASUHIRO (JP)
MOCHIZUKI YUTA (JP)
HASHIZUME YUUKI (JP)
SATO TAKUFUMI (JP)
MOCHIZUKI YUTA (JP)
HASHIZUME YUUKI (JP)
SATO TAKUFUMI (JP)
Application Number:
PCT/JP2023/002827
Publication Date:
August 10, 2023
Filing Date:
January 30, 2023
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
B21D53/12; F16C19/06; F16C33/42; F16C43/04
Domestic Patent References:
| WO2014208325A1 | 2014-12-31 |
Foreign References:
| JP2019100475A | 2019-06-24 | |||
| JP2015064100A | 2015-04-09 |
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
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