Title:
BOLT REMOVAL JIG AND BOLT REMOVAL METHOD
Document Type and Number:
Japanese Patent JP2023150621
Kind Code:
A
Abstract:
To provide a bolt removal jig which enables efficient removal of a bolt fastened to a building frame of a building.SOLUTION: A bolt removal jig 1 is used when a bolt B3 fastened to a building frame B of a building is removed from the building frame B by rotation operation of a tool. The bolt removal jig 1 includes: a bolt connection part 21 which is connected to a connected part provided at a head of the bolt B3 and may rotate with the bolt B3; a tool connection part 31 which is provided at an opposite side of the bolt connection part 21 in the bolt removal jig 1 and connected to a first tool T1 and may rotate in conjunction with rotation operation of the first tool T1; and a second tool connection part 22 which is provided on an outer peripheral surface of the bolt removal jig 1 and connected to a second tool T2 and may rotate in conjunction with rotation operation of the second tool T2.SELECTED DRAWING: Figure 8A
Inventors:
SHIMABUKURO TAKAHIRO
Application Number:
JP2022059828A
Publication Date:
October 16, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
DAIWA HOUSE IND
International Classes:
B25B13/48; B25B13/58; B25B21/00; E04G21/16; E04G23/08
Attorney, Agent or Firm:
Atsushi Akiyama
Chieko Fukushi
Yoshihide Kakubuchi
Chieko Fukushi
Yoshihide Kakubuchi
Previous Patent: Pillar holders, pillar lifting jigs, and pillar lifting methods
Next Patent: Formwork holder and foundation construction method
Next Patent: Formwork holder and foundation construction method