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Title:
LOOSENING PREVENTION BOLT AND NUT STRUCTURE
Document Type and Number:
Japanese Patent JP2020034017
Kind Code:
A
Abstract:
To solve problems in many nut loosening prevention technology capable of reliably performing a loosening prevention function of a nut, in which the screwing initial operation for integrating the nut in a bolt is complicated and various prior additive operation has to be performed, and therefore complexity of various member assembly work is caused and it is less likely to be employed easily.SOLUTION: A loosening prevention bolt and nut structure is provided in which a hexagon nut screwed in a bolt body is constituted by combination of an upper nut body and a lower nut body, and the hexagon nut is constituted not to be loosened from the bolt body through a loosening prevention mechanism built in the upper and lower nut bodies. The loosening prevention mechanism is made by constructing the loosening prevention bolt and nut structure constituted by a ratchet mechanism provided inside of the upper and lower nut bodies.SELECTED DRAWING: Figure 4

Inventors:
KAWASAKI MASANARI
Application Number:
JP2018158401A
Publication Date:
March 05, 2020
Filing Date:
August 27, 2018
Export Citation:
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Assignee:
KAWASAKI MASANARI
International Classes:
F16B39/28; F16B39/02
Attorney, Agent or Firm:
Kenichiro Matsuo
Yasuo Ichikawa



 
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