Title:
BALL-SCREW DEVICE AND JIG FOR EXTRACTING DUSTPROOF MEMBER
Document Type and Number:
WIPO Patent Application WO/2015/189870
Kind Code:
A1
Abstract:
Provided is a ball-screw device in which a dustproof member can be easily mounted to a nut. A ball-screw device (1) is configured in such a manner that: a recess (6) is formed in an end of the inner periphery of a nut (4) through which a threaded shaft (2) passes; and a dustproof member (5) is provided in the recess (6). The dustproof member (5) consists of a circular cylindrical elastic member through which the threaded shaft (2) passes. The dust proof member (5) has at least one protrusion (8) protruding in the outer diameter direction from the outer peripheral surface of the dustproof member (5). The recess (6) is groove-shaped so as to enable the dustproof member (5) to be fitted in the recess (6) and is provided with a catch (7) with which the protrusion (8) engages.
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Inventors:
KUROIWA DAISUKE (JP)
Application Number:
PCT/JP2014/003068
Publication Date:
December 17, 2015
Filing Date:
June 09, 2014
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16H25/24
Domestic Patent References:
| WO2013061557A1 | 2013-05-02 |
Foreign References:
| JP2013221605A | 2013-10-28 | |||
| US20060076214A1 | 2006-04-13 |
Attorney, Agent or Firm:
MORI, Tetsuya et al. (JP)
Woods Tetsuya (JP)
Woods Tetsuya (JP)
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