JPH0528318Y2 - - Google Patents
Info
- Publication number
- JPH0528318Y2 JPH0528318Y2 JP6717087U JP6717087U JPH0528318Y2 JP H0528318 Y2 JPH0528318 Y2 JP H0528318Y2 JP 6717087 U JP6717087 U JP 6717087U JP 6717087 U JP6717087 U JP 6717087U JP H0528318 Y2 JPH0528318 Y2 JP H0528318Y2
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- ladder part
- section
- folded
- coil spring
- 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.)
- Expired - Lifetime
Links
- 230000005484 gravity Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717087U JPH0528318Y2 (en]) | 1987-05-01 | 1987-05-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6717087U JPH0528318Y2 (en]) | 1987-05-01 | 1987-05-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63173500U JPS63173500U (en]) | 1988-11-10 |
JPH0528318Y2 true JPH0528318Y2 (en]) | 1993-07-20 |
Family
ID=30905833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6717087U Expired - Lifetime JPH0528318Y2 (en]) | 1987-05-01 | 1987-05-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0528318Y2 (en]) |
-
1987
- 1987-05-01 JP JP6717087U patent/JPH0528318Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63173500U (en]) | 1988-11-10 |
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