Title:
組立式仮設階段
Document Type and Number:
Japanese Patent JP7208532
Kind Code:
B2
Abstract:
To provide built-up temporary stairs that are easy to assemble and disassemble with a small number of parts, can be installed and recovered in a short time, and can be disassembled for transportation and storage when not in use.SOLUTION: Stairs have left and right main body frames 12a and 12b that are detachably fixed to a scaffold post 13 by a pivotable clamps 14 at the ends, and a plurality of treads 15 that are detachably attached between the main body frames 12a and 12b, each of the main frame 12a and 12b has parallel upper 16a and 16b and lower 17a and 17b, and a plurality of connecting pieces 18 rotatably connected at one end and the other end to the inner part of the upper 16a and 16b and lower 17a and 17b, each treads 15 has a thread body 21 that has a rectangular shape from a plane view and a mounting portion 25 disposed in the lower part of the center of each short side, a tread plate mounting portion 23 is formed in which each mounting portion 25 is detachably attached in the center of the longitudinal direction of each connecting piece 18 to support each tread plate 15 horizontally.SELECTED DRAWING: Figure 1
Inventors:
Mikio Uchihashi
Application Number:
JP2019108586A
Publication Date:
January 19, 2023
Filing Date:
June 11, 2019
Export Citation:
Assignee:
Heiwa Giken Co., Ltd.
International Classes:
E04G27/00
Domestic Patent References:
| JP11100986A | ||||
| JP2001349052A | ||||
| JP62187143U | ||||
| JP2014062374A | ||||
| JP64039466A | ||||
| JP5047228U |
Foreign References:
| GB2426029A |
Attorney, Agent or Firm:
Nakamae Fujio
Yohei Kiyoi
Yoshihiro Kurita
Yohei Kiyoi
Yoshihiro Kurita