Title:
ROTARY TABLE BEARING AND ROTARY TABLE
Document Type and Number:
WIPO Patent Application WO/2021/049265
Kind Code:
A1
Abstract:
A rotary table bearing 1 that comprises an outer ring 10, an inner ring 20, and a plurality of rollers 30. The outer ring 10 includes a first body part 11 and a first steel strip 12. The inner ring 20 includes a second body part 21 and a second steel strip 22. The first body part 11 includes an annular first flange part 53 that contacts axial-direction first end surfaces 31 of the rollers 30. The second body part 21 includes an annular second flange part 54 that is arranged so as to contact axial-direction second end surfaces 32 of the rollers 30 that are on the opposite side from the first end surfaces 31. A gear 114 is formed around the entire circumference of one of the inner circumferential surface of the inner ring 20 and the outer circumferential surface of the outer ring 10.
Inventors:
NAKAMURA TOMOAKI (JP)
Application Number:
PCT/JP2020/031180
Publication Date:
March 18, 2021
Filing Date:
August 18, 2020
Export Citation:
Assignee:
NIPPON THOMPSON CO LTD (JP)
International Classes:
F16C33/46; F16C19/36; F16C33/58; F16C33/60
Foreign References:
| JP2018194014A | 2018-12-06 | |||
| DE102016222714A1 | 2018-05-24 | |||
| JPH0653819U | 1994-07-22 | |||
| JPH0632733U | 1994-04-28 | |||
| JP2008039098A | 2008-02-21 | |||
| JP2012149683A | 2012-08-09 |
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
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