Title:
BALL ARRANGEMENT METHOD FOR BALL BEARING, BALL BEARING MANUFACTURING METHOD AND MANUFACTURING DEVICE, AND MACHINE AND VEHICLE MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/230023
Kind Code:
A1
Abstract:
A ball arrangement method for a ball bearing in which the following steps are executed in order: a ball insertion step in which a plurality of balls are loaded into a single area along the circumferential direction of an annular space formed between and inner ring and an outer ring; a flow-stopping step in which a flow-stopping jig for holding in the one area the plurality of balls that have been loaded is arranged on the outside, in the circumferential direction, of the one area in the annular space; and a ball separation step in which, from the state in which the flow-stopping jig has been arranged in the annular space, the tip ends of a plurality of arrow-like working members provided in correspondence with the plurality of balls are sequentially inserted in the axial direction between the plurality of balls as the ball-stopping jig is being withdrawn from the annual space, thereby arranging the plurality of balls at equal intervals in the circumferential direction.
Inventors:
SUZUKI TAKAHIRO (JP)
DOBASHI KOUHEI (JP)
DOBASHI KOUHEI (JP)
Application Number:
PCT/JP2018/045540
Publication Date:
December 05, 2019
Filing Date:
December 11, 2018
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16C43/06; B23P21/00
Foreign References:
| JP2008200789A | 2008-09-04 | |||
| JP2006200630A | 2006-08-03 | |||
| JPH09225757A | 1997-09-02 | |||
| JPS4934209B1 | 1974-09-12 | |||
| JPH02266113A | 1990-10-30 | |||
| JP2008200789A | 2008-09-04 | |||
| JP2018103734A | 2018-07-05 |
Other References:
See also references of EP 3674574A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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