Title:
緩止め治具、及び、緩止め構造体の製造方法
Document Type and Number:
Japanese Patent JP6815967
Kind Code:
B2
Abstract:
To exert an inexpensive and high anti-loosening function in a fastener by providing a bolt and a nut.SOLUTION: An anti-loosening structure 100 for preventing loosening in a fastened state in a fastener 7 including a bolt 1 having a through hole extending in a radial direction and a nut 2 to be engaged with the bolt 1 includes an anti-loosening member 3 having two projection parts 31, 32 inserted through the through hole 12 of the bolt 1 to project from each opening of the through hole 12. In the anti-loosening member 3, the two projection parts 31, 32 are wound around the peripheral surface of the nut 2, or the two projection parts 31, 32 are wound around the peripheral surface of a tip of the bolt 1 extending from the nut 2.SELECTED DRAWING: Figure 2
Inventors:
Takayuki Sato
Application Number:
JP2017202651A
Publication Date:
January 20, 2021
Filing Date:
October 19, 2017
Export Citation:
Assignee:
Furukawa Electric Power Systems Co., Ltd.
THE FURUKAW ELECTRIC CO.,LTD.
THE FURUKAW ELECTRIC CO.,LTD.
International Classes:
F16B39/04; F16B39/02
Domestic Patent References:
| JP8312628A | ||||
| JP1158813U | ||||
| JP45022574Y1 | ||||
| JP51097657U | ||||
| JP49025954U | ||||
| JP39029094B1 |
Foreign References:
| FR878803A1 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Shuichi Sumiyoshi
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Shuichi Sumiyoshi