JPS61179299U - - Google Patents
Info
- Publication number
- JPS61179299U JPS61179299U JP6294385U JP6294385U JPS61179299U JP S61179299 U JPS61179299 U JP S61179299U JP 6294385 U JP6294385 U JP 6294385U JP 6294385 U JP6294385 U JP 6294385U JP S61179299 U JPS61179299 U JP S61179299U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- coil spring
- rope
- detachment
- pulleys
- 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
- 230000002265 prevention Effects 0.000 description 2
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6294385U JPS61179299U (it) | 1985-04-25 | 1985-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6294385U JPS61179299U (it) | 1985-04-25 | 1985-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61179299U true JPS61179299U (it) | 1986-11-08 |
Family
ID=30592628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6294385U Pending JPS61179299U (it) | 1985-04-25 | 1985-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61179299U (it) |
-
1985
- 1985-04-25 JP JP6294385U patent/JPS61179299U/ja active Pending