JP7144844B2 - 折畳み階段 - Google Patents
折畳み階段 Download PDFInfo
- Publication number
- JP7144844B2 JP7144844B2 JP2018216066A JP2018216066A JP7144844B2 JP 7144844 B2 JP7144844 B2 JP 7144844B2 JP 2018216066 A JP2018216066 A JP 2018216066A JP 2018216066 A JP2018216066 A JP 2018216066A JP 7144844 B2 JP7144844 B2 JP 7144844B2
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- JP
- Japan
- Prior art keywords
- sasara girder
- movable
- fixed
- girder
- sasara
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- Steps, Ramps, And Handrails (AREA)
Description
Claims (1)
- 上側斜辺が段形に形成され壁面に固定される固定ササラ桁と、下側斜辺が段形に形成され折畳み・拡開時に回動動作を行う可動ササラ桁が、前記段形の水平部同士を両端側に蝶番を設けた複数枚の踏板で連結されてなる折畳み階段であって、折畳み状態では、垂直に立ち上がった前記各踏板により前記可動ササラ桁が前記固定ササラ桁の上方位置に持ち上げられた状態で支持されるとともに、前記各踏板が前記固定ササラ桁と前記可動ササラ桁との間に形成された空間を埋めながら収まるものとして、総ての前記踏板と前記可動ササラ桁が壁面に密着又は近接しながら前記固定ササラ桁と略面一の状態になり、折畳み状態からの拡開時には、前記可動ササラ桁を斜め下方に回動させることで、前記可動ササラ桁の下端側が床面に当接して拡開状態となり総ての前記踏板が水平に支持されるものとされており、前記固定ササラ桁と前記可動ササラ桁における前記蝶番の固定位置では、ボルト孔が桁材を厚さ方向に貫通しており、どちらの側面でも前記蝶番の固定が可能とされている、ことを特徴とする折畳み階段。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018216066A JP7144844B2 (ja) | 2018-11-17 | 2018-11-17 | 折畳み階段 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018216066A JP7144844B2 (ja) | 2018-11-17 | 2018-11-17 | 折畳み階段 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020084437A JP2020084437A (ja) | 2020-06-04 |
JP7144844B2 true JP7144844B2 (ja) | 2022-09-30 |
Family
ID=70906814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018216066A Active JP7144844B2 (ja) | 2018-11-17 | 2018-11-17 | 折畳み階段 |
Country Status (1)
Country | Link |
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JP (1) | JP7144844B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113911270B (zh) * | 2021-10-15 | 2023-02-10 | 天长市平安船舶设备有限公司 | 一种便于收纳的船用舷墙梯 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE682831C (de) * | 1938-01-09 | 1939-10-24 | Hans Poehlmann | Zusammenklappbare Treppe |
FR2136959A1 (ja) * | 1971-05-10 | 1972-12-29 | Bros Pierre | |
JPS59185338U (ja) * | 1983-05-27 | 1984-12-10 | ナショナル住宅産業株式会社 | 階段装置 |
JPH0439941Y2 (ja) * | 1989-03-31 | 1992-09-18 | ||
FR3004202B1 (fr) * | 2013-04-04 | 2016-04-15 | Jean Boquet | Escalier pliable et rabattable sur un mur |
-
2018
- 2018-11-17 JP JP2018216066A patent/JP7144844B2/ja active Active
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Publication number | Publication date |
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JP2020084437A (ja) | 2020-06-04 |
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