Title:
ANTI-LOOSENING FASTENER DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/084192
Kind Code:
A1
Abstract:
Disclosed is an anti-loosening fastener device, wherein a first thread section (1) is opposite to a second thread section (2) in threading direction. The device further comprises: a main nut (15) for locking on the first thread section (1), and a secondary nut (8) for locking on the second thread section (2); a toothed snap ring (6) for housing outer teeth (14) of the main nut and outer teeth (11) of the secondary nut to prevent rotation of the main and secondary nuts; and a circlip (4) for locking the toothed snap ring (6) to prevent the toothed snap ring (6) from falling off, such that one nut is in the direction of loosening rotation and the other nut in the direction of locking rotation; the two restrict mutually such that the fastener device does not fall off.
Inventors:
ZHANG DACHUAN (CN)
Application Number:
PCT/CN2016/000402
Publication Date:
May 26, 2017
Filing Date:
July 19, 2016
Export Citation:
Assignee:
ZHANG DACHUAN (CN)
International Classes:
F16B39/16
Foreign References:
| CN205136322U | 2016-04-06 | |||
| GB193736A | 1923-03-01 | |||
| CN102506048A | 2012-06-20 | |||
| CN205154869U | 2016-04-13 | |||
| US1413024A | 1922-04-18 | |||
| US1656118A | 1928-01-10 |
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