JPH03111719U - - Google Patents
Info
- Publication number
- JPH03111719U JPH03111719U JP2071390U JP2071390U JPH03111719U JP H03111719 U JPH03111719 U JP H03111719U JP 2071390 U JP2071390 U JP 2071390U JP 2071390 U JP2071390 U JP 2071390U JP H03111719 U JPH03111719 U JP H03111719U
- Authority
- JP
- Japan
- Prior art keywords
- tread
- longitudinal members
- parallel
- horizontally
- lower ends
- 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.)
- Pending
Links
Description
第1図は本考案の一実施例の階段の正面図、第
2図は同じく側面図である。 1,1′,2……縦材、3……踏板。
2図は同じく側面図である。 1,1′,2……縦材、3……踏板。
Claims (1)
- 各踏板の両側面の前後2個所において、夫々前
後2本平行に配置された縦材に枢着し、前後2本
よりなる上記各縦材を垂直にして下端を水平に揃
えたとき、各踏板が水平平行となるようにした勾
配可変階段。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2071390U JPH03111719U (ja) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2071390U JPH03111719U (ja) | 1990-02-28 | 1990-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03111719U true JPH03111719U (ja) | 1991-11-15 |
Family
ID=31523801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2071390U Pending JPH03111719U (ja) | 1990-02-28 | 1990-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03111719U (ja) |
-
1990
- 1990-02-28 JP JP2071390U patent/JPH03111719U/ja active Pending