Title:
MALE SCREW BODY, COOPERATION MEMBER, FEMALE SCREW BODY, FASTENING STRUCTURE OF SCREW BODY
Document Type and Number:
Japanese Patent JP2020125849
Kind Code:
A
Abstract:
To prevent rotation of a screw body in a specific direction with a simple structure.SOLUTION: In a male screw body, a male screw side cooperation area, which is non-circular in a cross section, seen from an axial direction, is formed. A washer (cooperation member) has a non-circular through hole, which is engaged with the male screw side cooperation area in a circumferential direction. Further, the washer includes an engagement mechanism which engages with the female screw body in the circumferential direction.SELECTED DRAWING: Figure 1
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Inventors:
MICHIWAKI YUTAKA
Application Number:
JP2020087767A
Publication Date:
August 20, 2020
Filing Date:
May 19, 2020
Export Citation:
Assignee:
NEJILAW INC
International Classes:
F16B39/30; F16B37/00; F16B39/12; F16B39/24; F16B43/00