Title:
FASTENING TOOL OF BOLT WITH ENGAGEMENT PART AND FASTENING METHOD FOR BOLT WITH ENGAGEMENT PART
Document Type and Number:
Japanese Patent JP2023070806
Kind Code:
A
Abstract:
To make it possible to fasten a bolt with an engagement part easily and reliably from one side.SOLUTION: A bolt 1 with an engagement part is inserted in an open hole of a first fixed member 31 and a second fixed member 32 from the first fixed member 31 side, a locking nut 10 is temporarily fixed to an end of the bolt 1 with an engagement part from the second fixed member 32 side, an end of an outer member 24 is inserted from the locking nut 10 side, an end of an inner member 25 is engaged with a second engagement part 6 of the bolt 1 with an engagement part, a rotary shaft 21a of an electric tool 21 is rotated, the bolt 1 with an engagement part is screwed to fasten the first fixed member 31 and the second fixed member 32, and a first engagement part 5 of the bolt 1 with an engagement part is engaged with a locking part 11 of the nut 10 to lock.SELECTED DRAWING: Figure 7
Inventors:
TAKEDA MAKOTO
HAZAMA MASAYA
MIYAZAKI TORU
MATSUMURA MAKOTO
YOKOI YOJI
YOKOI SHINICHI
YANAGIDA KAZUKI
HAZAMA MASAYA
MIYAZAKI TORU
MATSUMURA MAKOTO
YOKOI YOJI
YOKOI SHINICHI
YANAGIDA KAZUKI
Application Number:
JP2021183152A
Publication Date:
May 22, 2023
Filing Date:
November 10, 2021
Export Citation:
Assignee:
KURIMOTO LTD
YOKOI SEISAKUSHO KK
YOKOI SEISAKUSHO KK
International Classes:
B25B21/00; F16B5/02; F16B39/22
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office
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