Title:
CAGE AND ROLLER
Document Type and Number:
WIPO Patent Application WO/2021/177366
Kind Code:
A1
Abstract:
A cage and roller having a plurality of rollers arranged in a cylindrical shape, a pair of annular plates that are arranged at both sides of the plurality of rollers in the axial direction, and that retain the plurality of rollers, and a plurality of pillars connecting the pair of annular plates. Protruding parts protruding in the axial direction are formed at both end surfaces in the axial direction of the plurality of rollers. A plurality of holes for engaging the protruding parts of the plurality of rollers are formed in the pair of annular plates. The pair of annular plates retain the plurality of rollers in a state in which the plurality of rollers can rotate freely without touching each other.
Inventors:
MATSUMOTO SOU (JP)
KUMAGAI HIROFUMI (JP)
KUMAGAI HIROFUMI (JP)
Application Number:
PCT/JP2021/008244
Publication Date:
September 10, 2021
Filing Date:
March 03, 2021
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C19/46; F16C19/48; F16C33/34; F16C33/46; F16C33/48; F16C33/56; F16C33/58
Foreign References:
| CN110030274A | 2019-07-19 | |||
| FR1135019A | 1957-04-23 | |||
| DE102013215848A1 | 2015-02-12 | |||
| JP2017522516A | 2017-08-10 | |||
| JP2013053713A | 2013-03-21 | |||
| US20140321788A1 | 2014-10-30 | |||
| JP4618915B2 | 2011-01-26 | |||
| JP2007187287A | 2007-07-26 | |||
| JP2013185640A | 2013-09-19 | |||
| JP2016156472A | 2016-09-01 | |||
| JP2020038707A | 2020-03-12 |
Other References:
See also references of EP 4116595A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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