Title:
MALE SCREW MEMBER FOR FASTENING AND SCREW FASTENING STRUCTURE ACROSS TWO MEMBERS USING THE SAME
Document Type and Number:
Japanese Patent JP2019094935
Kind Code:
A
Abstract:
To impart function in which looseness never occurs due to rotation resulting from vibration.SOLUTION: A male screw member for fastening fastens a first member to be fastened 6 with a screw hole 8 and a second member to be fastened 7 with a screw hole 9. The male screw member for fastening comprises a rotation input part 4 with no head, which is provided with a right screw 2 and a left screw 3 on a shaft part so as to separate from each other, and in which a screw driver can be engaged to a shaft end surface of at least one screw, or between the right screw 2 and the left screw 3. When the male screw member for fastening is screwed with the respective screw holes 8, 9 of the first member to be fastened 6 and second member to be fastened 7, the first and second members to be fastened 6, 7 are attracted to each other only by friction resistance on a screw surface of the shaft part, and then fastened to each other.SELECTED DRAWING: Figure 2
Inventors:
FUJII HIDEYO
Application Number:
JP2017222388A
Publication Date:
June 20, 2019
Filing Date:
November 20, 2017
Export Citation:
Assignee:
PRIME DOT CO LTD
International Classes:
F16B7/06; F16B5/02; F16B23/00; F16B35/00; F16B39/30; F16J15/06
Attorney, Agent or Firm:
Kazumi Murase