JPS63117900U - - Google Patents
Info
- Publication number
- JPS63117900U JPS63117900U JP437287U JP437287U JPS63117900U JP S63117900 U JPS63117900 U JP S63117900U JP 437287 U JP437287 U JP 437287U JP 437287 U JP437287 U JP 437287U JP S63117900 U JPS63117900 U JP S63117900U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- support shaft
- spring force
- spring
- attached
- 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.)
- Granted
Links
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP437287U JPH0531200Y2 (https=) | 1987-01-14 | 1987-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP437287U JPH0531200Y2 (https=) | 1987-01-14 | 1987-01-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63117900U true JPS63117900U (https=) | 1988-07-29 |
| JPH0531200Y2 JPH0531200Y2 (https=) | 1993-08-10 |
Family
ID=30784980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP437287U Expired - Lifetime JPH0531200Y2 (https=) | 1987-01-14 | 1987-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531200Y2 (https=) |
-
1987
- 1987-01-14 JP JP437287U patent/JPH0531200Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0531200Y2 (https=) | 1993-08-10 |