Title:
FASTENING TOOL
Document Type and Number:
Japanese Patent JP2019002457
Kind Code:
A
Abstract:
To provide a fastening tool in which a fastening operation of corrugate sections can be completed by an operator on one side, in which the number of fastening tools used is reduced, and a labor required for the fastening operation is reduced.SOLUTION: A fastening tool 12 includes a bolt 20 and a nut 30. A nut 30 includes an annular part 31, a back surface plate 32, and a grip part 33. The nut 30 is provided with a bolt hole 35 to which a bolt shaft 22 is screwed, the hole penetrating the back surface plate 32 from the annular part 31. The annular part 31 enters into an opening 15 for fastening, and the grip part 33 formed of a thin plate is attached to an upper surface thereof. The back surface plate 32 is integrally provided with the annular part 31, and plate surfaces 32a on both sides of the annular part 31 is in contact with the corrugate section 11 in accordance with a wave-like shape thereof. With this contact, a co-rotation of the nut 30 during bolt fastening can be prevented.SELECTED DRAWING: Figure 3
Inventors:
TSUJI HACHIRO
Application Number:
JP2017116735A
Publication Date:
January 10, 2019
Filing Date:
June 14, 2017
Export Citation:
Assignee:
TSUJI FUNA
International Classes:
F16B37/04; F16B7/18; F16B41/00; F16B43/00
Attorney, Agent or Firm:
Tsuyoshi Yamada