Title:
SPINDLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/118665
Kind Code:
A1
Abstract:
A spindle device (100) comprises: a rotation axis (10); a cylindrical bearing housing (20) that extends in the direction of the central axis (A) of the rotation axis; a bearing (50) that is attached to an inner circumferential surface (20a) of the bearing housing and rotatably supports the rotation axis; and a first elastic member (30a). A first flow path (21) and a second flow path (22) that extend in the direction of the central axis of the bearing housing are formed inside the bearing housing. A first groove (24) that extends in the circumferential direction of the bearing housing and is connected to the first flow path and the second flow path is formed on the outer circumferential surface (20b) of the bearing housing. The first elastic member blocks an opening in the first groove.
Inventors:
HORIUCHI TERUYOSHI (JP)
Application Number:
PCT/JP2021/042395
Publication Date:
June 09, 2022
Filing Date:
November 18, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C32/06; B23Q11/12; F16C35/08; F16C37/00; F16J15/10
Foreign References:
| KR101675535B1 | 2016-11-15 | |||
| CN211145140U | 2020-07-31 | |||
| CN108927534A | 2018-12-04 | |||
| JP2003011036A | 2003-01-15 | |||
| JPS62156442U | 1987-10-05 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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