Title:
緩み止め締結構造
Document Type and Number:
Japanese Patent JP7016204
Kind Code:
B2
Abstract:
To provide a locking fastening structure capable of reinforcing locking action through synergistic action with a washer even with simple, inexpensive constitution even if a bolt member or nut member is to rotate in a loosing direction owing to vibration, and further reducing stress placed on a metal mold in a manufacturing process.SOLUTION: A locking fastening structure is a fastening structure which places a fastener consisting of a bolt member and a nut member in engagement to fasten a fastened body. A washer is interposed between the fastener and the fastened body; a seat face of the washer to be joined to the fastened body is formed in a plane for face joining; an even number of high places and low places are formed respectively in a point symmetrical state on a plane where the faster and the washer face each other; and an inclined plane which is the same with a lead angle direction of the fastener is formed between the high place and the low place, the inclined plane being formed at an angle smaller than a lead angle of the fastener.SELECTED DRAWING: Figure 1
More Like This:
| JP2007255429 | LOCKING FITTING FOR BOLT OR NUT |
Inventors:
Yasuhisa Kurihara
Hideko Kurihara
Hideko Kurihara
Application Number:
JP2019240122A
Publication Date:
February 04, 2022
Filing Date:
December 13, 2019
Export Citation:
Assignee:
Hideko Kurihara
International Classes:
F16B39/24; F16B43/00
Domestic Patent References:
| JP2016056846A | ||||
| JP2010540872A | ||||
| JP3113151U |
Foreign References:
| US5626449 |