Title:
NUT
Document Type and Number:
WIPO Patent Application WO/2019/026253
Kind Code:
A1
Abstract:
This nut comprises a nut main body having a plurality of nut segment accommodation parts, a plurality of nut segments respectively accommodated in the nut segment accommodation parts of the nut main body, a biasing means provided above the nut segments for biasing the nut segments toward the base surface of the nut main body, and a retaining means for retaining the nut segments and the biasing means inside the nut main body, and is characterized in that a step, with which a threaded part formed on the inside of the nut segments is made continuous, is formed on the base surface of the nut segment accommodation parts, guide parts are formed on the nut segment accommodation parts, and guide pieces, which are inserted into the guide parts and limit sliding movement of the nut segment to the linear direction, are provided on the nut segments. Since the nut segments do not slant during insertion of a bolt, this nut screws onto a bolt smoothly.
Inventors:
TANEICHI KAORU (JP)
Application Number:
PCT/JP2017/028301
Publication Date:
February 07, 2019
Filing Date:
August 03, 2017
Export Citation:
Assignee:
TANEICHI KAORU (JP)
International Classes:
F16B37/10; F16B37/00
Foreign References:
| JP2013234731A | 2013-11-21 | |||
| JP2008520934A | 2008-06-19 | |||
| JP2005061570A | 2005-03-10 | |||
| JP2002349530A | 2002-12-04 | |||
| JPS5311273A | 1978-02-01 |
Attorney, Agent or Firm:
MIURA Mitsuyasu (JP)
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