Title:
SELF-TIGHTENING THREAD-FREE NUT AND AUTOMATIC TIGHTENING AND LOOSENING METHOD
Document Type and Number:
WIPO Patent Application WO/2021/184602
Kind Code:
A1
Abstract:
A self-tightening thread-free nut, consisting of an outer nut (1), a middle nut (2), clamping pieces (3), and a self-tightening nut (4). Tightening or loosening can be automatically completed by only rotating the outer nut (1) without forming a thread, thus the cost is reduced and the working efficiency is improved.
Inventors:
MO CHONGGUI (CN)
Application Number:
PCT/CN2020/101107
Publication Date:
September 23, 2021
Filing Date:
July 09, 2020
Export Citation:
Assignee:
MO CHONGGUI (CN)
International Classes:
F16B2/06; F16B23/00
Foreign References:
| CN111120464A | 2020-05-08 | |||
| CN211666981U | 2020-10-13 | |||
| CN104329520A | 2015-02-04 | |||
| CN104588709A | 2015-05-06 | |||
| CN101113798A | 2008-01-30 | |||
| CN201093138Y | 2008-07-30 | |||
| JPH11325342A | 1999-11-26 |
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