Title:
RACK GUIDE DEVICE AND STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/029168
Kind Code:
A1
Abstract:
This rack guide device comprises: an accommodating wall portion having an interior space that extends in an orthogonal direction, a first opening that opens toward a rack bar, and a second opening that opens from the interior space in a direction opposite to the rack bar; an adjustment cover that closes the second opening; a pressure pad that comes into contact with the rack bar from the first opening; and a coil spring and an O-ring that are disposed between the adjustment cover and the pressure pad. One of the adjustment cover and the pressure pad has a facing surface that faces the other of the adjustment cover and the pressure pad. An annular groove is provided to the facing surface. The inner surface of the annular groove has an inner circumferential surface and an outer circumferential surface facing each other. The annular groove has a narrow groove for which the groove width between the inner circumferential surface and the outer circumferential surface is less than the line diameter of the O-ring before assembly, and a wide groove for which the groove width is greater than the line diameter of the O-ring before assembly.
Inventors:
NARITA NORITOMO (JP)
Application Number:
PCT/JP2023/019330
Publication Date:
February 08, 2024
Filing Date:
May 24, 2023
Export Citation:
Assignee:
NSK LTD (JP)
International Classes:
F16H19/04; B62D3/12
Foreign References:
| JP2008044487A | 2008-02-28 | |||
| JP2012081867A | 2012-04-26 | |||
| JP2017213941A | 2017-12-07 | |||
| US6142031A | 2000-11-07 | |||
| KR20180040826A | 2018-04-23 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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