Title:
棒材の連結構造及びその連結構造を使用した仮設足場
Document Type and Number:
Japanese Patent JP6716508
Kind Code:
B2
Abstract:
To provide a novel structure capable of eliminating hammering work and eliminating the impact sound, and smoothly connecting an end of one cylindrical bar to the other columnar bar.SOLUTION: A fixing metal fitting 10 is provided on a column 1, a rotary coupling metal fitting 20 to be connected to the fixing metal fitting at an end of a horizontal material 2, a reverse rotation stopper metal fitting 30 and a falling off prevention pin 40 are provided. When an end part of the horizontal material is fitted to an outer peripheral surface of the column by fitting the end of the horizontal material so that the rotary coupling metal fitting wraps the fixing metal fitting from a notch 21, an engaging collar 12 of the fixing metal fitting is locked being positioned on an inner surface of the rotary coupling metal fitting.SELECTED DRAWING: Figure 3
Inventors:
Shojiro Matsuura
Kodai Kawai
Kodai Kawai
Application Number:
JP2017146561A
Publication Date:
July 01, 2020
Filing Date:
July 28, 2017
Export Citation:
Assignee:
Asahi Industry Co., Ltd.
International Classes:
E04G7/22; E04G7/34; F16B7/04
Domestic Patent References:
| JP2011196498A | ||||
| JP2011231533A | ||||
| JP3048055U | ||||
| JP2015218479A |
Foreign References:
| US20120009013 |
Attorney, Agent or Firm:
Naoya Kamata
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa
Bunji Kamada
Yaichiro Nakatani
Takayoshi Tagawa