JPH03105636U

JPH03105636U -

Info

Publication number: JPH03105636U
Application number: JP1330890U
Authority: JP
Priority date: 1990-02-14
Filing date: 1990-02-14
Publication date: 1991-11-01

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す平面図、第２
図はその正面図、第３図はその要部を拡大して示
す断面図、第４図は支持材による上、下の階段ユ
ニツトの取付を示す断面図、第５図は支持材を示
す斜視図、第６図は基本の構成部材を分解して略
示する正面図、第７図は他の実施例を示す正面図
、第８図はその接続部を拡大して示す断面図であ
る。４……床梁、５……上の階段ユニツト、６……
下の階段ユニツト、９……支持材、１０……支柱
、１１……受板、１３……立片、１４，１５……
フランジ、１６……取付片、２１，３１……桁、
２１Ｋ，３１Ｋ……傾斜部、２１Ｌ，３１Ｌ……
水平部、２２，３２……上の継ぎ材、２５……下
の継ぎ材、ＦＵ……階上床、ＦＤ……階下床。 Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a front view, FIG. 3 is an enlarged sectional view of the main part, FIG. 4 is a sectional view showing how the upper and lower stair units are attached using supporting materials, and FIG. 5 is a perspective view showing the supporting materials. 6 is a front view schematically showing the basic components in an exploded manner, FIG. 7 is a front view showing another embodiment, and FIG. 8 is an enlarged sectional view showing the connecting portion thereof. 4...Floor beam, 5...Upper stair unit, 6...
Lower stair unit, 9...Supporting material, 10...Column, 11...Socket plate, 13...Standing piece, 14, 15...
Flange, 16... Mounting piece, 21, 31... Girder,
21K, 31K...slanted part, 21L, 31L...
Horizontal part, 22, 32...Top joint material, 25...Bottom joint material, FU...Upper floor, FD...Downstairs floor.

Claims

[Scope of utility model registration request]

A staircase device connecting an upper floor and a lower floor and formed by an upper stair unit extending downward from the upper floor and at right angles to the upper floor, and a lower stair unit extending upward from the lower floor, A floor beam made of a section steel material arranged along the outer edge of the vertical section and having outward flanges above and below the vertical section is provided with a mounting section parallel to the section and spaced outward from the section;
The upper stair unit includes a pair of side beams arranged in parallel, each of which is made of a shaped steel material and has a flange projecting laterally at the lower end of each vertical piece, and which has a downwardly inclined portion.
The upper and lower joints that connect the upper and lower ends of the stringers facing the upper floor, and the step plates arranged between the stringers are joined together in advance, and the lower stair unit is attached to the lower end of the upright. A pair of side girders made of section steel with flanges projecting in the opposite direction and arranged in parallel, an upper splicing material that connects the side girders at their upper ends, and a step plate placed between the side girders are joined together in advance. At the same time, the upper joint material of the upper stair unit is bolted to the mounting piece,
The lower end of the stringer of the upper stairway unit and the upper end of the stringer of the lower stairway unit are connected together by a supporting member having a receiving plate that supports and fixes the lower surface of the flange of each stringer, and a support that extends to the lower floor. A stair device that is supported.