Title:
LOOSENESS PREVENTION WASHER OF HEXAGON NUT
Document Type and Number:
Japanese Patent JP2022075946
Kind Code:
A
Abstract:
To provide a looseness prevention washer of a hexagon nut capable of preventing looseness of a hexagon nut.SOLUTION: When a hexagon nut 2 is fitted to a looseness prevention washer 1 of the hexagon nut and screwed into a male screw 3 to tighten them, a tip portion 1e of a leaf spring 1b of the looseness prevention washer 1 of the hexagon nut moves in a direction of the male screw 3 on the surface of an object to be fastened 4, to press the male screw 3, thereby preventing the looseness of the hexagon nut 2.SELECTED DRAWING: Figure 3
Inventors:
KITAMADO FUJIO
Application Number:
JP2022048486A
Publication Date:
May 18, 2022
Filing Date:
March 24, 2022
Export Citation:
Assignee:
KITAMADO FUJIO
International Classes:
F16B39/24; F16B39/10; F16B43/00
Previous Patent: Door-to-door sales management system, door-to-door sales management method
Next Patent: Driving support device
Next Patent: Driving support device