Title:
NUT FASTENER
Document Type and Number:
WIPO Patent Application WO/2018/090930
Kind Code:
A1
Abstract:
A nut fastener is provided, comprising: a first nut (1), wherein a first recessed portion is formed on an inner side edge of an end surface of the first nut (1); an annular member (2), wherein the annular member (2) is at least partially accommodated in the first recessed portion; and a second nut (3), wherein the second nut (3) is constructed such that the second nut (3) and the first nut (1) coaxially form a threaded fit on a same screw (4), and press the annular member (2) to deform the annular member (2) to fill a spacing between the annular member (2) and an external screw thread of the screw (4). The nut fastener of the present invention can more stably and reliably prevent the nut (1, 3) from loosening. In addition, the nut fastener is simple in structure and is easy to manufacture and assemble.
More Like This:
| WO/2018/145783 | SAFETY DEVICE FOR BOLT CONNECTIONS |
| WO/2024/019104 | NUT CAP AND NUT LOCKING TOOL |
Inventors:
SUN YUHOU (CN)
Application Number:
PCT/CN2017/111102
Publication Date:
May 24, 2018
Filing Date:
November 15, 2017
Export Citation:
Assignee:
SUN YUHOU (CN)
International Classes:
F16B39/10
Foreign References:
| CN206175448U | 2017-05-17 | |||
| KR101468157B1 | 2014-12-12 | |||
| US8496421B1 | 2013-07-30 | |||
| JP2012041938A | 2012-03-01 | |||
| CN103732929A | 2014-04-16 | |||
| CN204437030U | 2015-07-01 | |||
| US2313763A | 1943-03-16 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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