Title:
MANUFACTURING METHOD FOR BEARING CAGE
Document Type and Number:
Japanese Patent JP2016114103
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method for a bearing cage which can suppress the lowering of rigidity.SOLUTION: Resin sumps 40 in first and second regions S1, S2 are arranged in centers of peripheral directions of columns 20 located in centers of peripheral directions of the first and second regions S1, S2. The resin sump 40 in a third region S3 is arranged in a center of a peripheral direction of one column 20 out of a pair of the columns 20 which adjoin pockets 30 located in a center of a peripheral direction of the third region S3. A cross section area of a communication part 42 of the resin sump 40 communicating with the column 20 is not larger than one quarter of a cross section area of the resin injection gate 51.SELECTED DRAWING: Figure 1
Inventors:
KURAMOTO YOSHIKAZU
AIHARA SHIGEAKI
HIRAMOTO TAKAYUKI
AIHARA SHIGEAKI
HIRAMOTO TAKAYUKI
Application Number:
JP2014251171A
Publication Date:
June 23, 2016
Filing Date:
December 11, 2014
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/38; B29C45/00; B29C45/28; F16C33/46
Domestic Patent References:
| JP2012236363A | 2012-12-06 | |||
| JP2005083406A | 2005-03-31 | |||
| JP2012219917A | 2012-11-12 | |||
| JP2010266064A | 2010-11-25 | |||
| JPS5988514U | 1984-06-15 |
Attorney, Agent or Firm:
Patent business corporation glory patent office
Yuriko Hamada
Kenji Kitajima
Hironori Honda
Yuriko Hamada
Kenji Kitajima
Hironori Honda
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