Title:
鉄骨階段及び鉄骨階段の施工方法
Document Type and Number:
Japanese Patent JP7139783
Kind Code:
B2
Abstract:
To provide a steel stairway and a construction method of a steel stairway capable of comprising higher vibration control property while securing degree of freedom in a floor planning.SOLUTION: A steel stairway provided between an upper story floor and a lower story floor comprises: one stairway portion fixed to one of the upper story floor and the lower story floor; and a vibration control unit connecting the one stairway portion with the other of the upper story floor and the lower story floor. The vibration control unit comprises: a first joint member fixed to the one stairway portion; a second joint member fixed to the other stairway portion; and a vibration control member provided between the first joint member and the second joint member.SELECTED DRAWING: Figure 8
Inventors:
Kazuma Tomita
Application Number:
JP2018156662A
Publication Date:
September 21, 2022
Filing Date:
August 23, 2018
Export Citation:
Assignee:
Obayashi Corporation
International Classes:
E04F11/02; E04H9/02
Domestic Patent References:
| JP2001207675A | ||||
| JP11148250A | ||||
| JP2001065132A | ||||
| JP2018080522A | ||||
| JP2008274545A | ||||
| JP2000034847A | ||||
| JP2001159218A |
Foreign References:
| US3720024 | ||||
| US20160102461 |
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation
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