Title:
BOLT CUTTING ASSISTANCE TOOL FOR DOOR SHOE ATTACHMENT BOLT, BOLT CUTTING ASSISTANCE SOCKET FOR DOOR SHOE ATTACHMENT BOLT, AND BOLT CUTTING ASSISTANCE METHOD FOR DOOR SHOE ATTACHMENT BOLT
Document Type and Number:
Japanese Patent JP2021191710
Kind Code:
A
Abstract:
To assist a bolt cutting work for a door shoe attachment bolt so as to be carried out easily.SOLUTION: A bolt cutting assistance tool 70 for a door shoe attachment bolt comprises: a flat plate-like tool body 72 to which a through-hole 76 having a hole diameter smaller than the double-surface size of a hexagonal head of the attachment bolt is provided; and a cylindrical socket 80 fixed correspondingly to the position of the through-hole 76 of the tool body 72. The cylindrical socket 80 includes a socket body 82 having a cylindrical shape, a bottomed hexagonal hole 84 which is provided at one cylindrical end of the socket body 82 and in which the hexagonal head of the attachment bolt can be fitted, and a guide hole 86 having a diameter equal to that of the through-hole 76 and provided at the other cylindrical end of the socket body 82 so as to communicate with the bottomed hexagonal hole 84. The guide hole 86 and the through-hole 76 are integrated with the tool body 72 at coaxial communicating positions to be fixed.SELECTED DRAWING: Figure 4
More Like This:
| JP5877132 | Elevator cleaning control device |
| WO/2011/001764 | ELEVATOR EQUIPMENT |
Inventors:
TANAKA HIROYASU
SUZURIGAWA MASAHIDE
SUZURIGAWA MASAHIDE
Application Number:
JP2020098669A
Publication Date:
December 16, 2021
Filing Date:
June 05, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC BUILDING TECHNO SERVICE CO LTD
International Classes:
B66B5/00; B23B49/00; B66B13/30
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office