JPH0326239Y2 - - Google Patents
Info
- Publication number
- JPH0326239Y2 JPH0326239Y2 JP4991884U JP4991884U JPH0326239Y2 JP H0326239 Y2 JPH0326239 Y2 JP H0326239Y2 JP 4991884 U JP4991884 U JP 4991884U JP 4991884 U JP4991884 U JP 4991884U JP H0326239 Y2 JPH0326239 Y2 JP H0326239Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- base
- telescoping
- support
- ladder
- 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
Links
- 230000008602 contraction Effects 0.000 claims description 12
- 238000005553 drilling Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ladders (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4991884U JPS60161300U (ja) | 1984-04-04 | 1984-04-04 | 伸縮式梯子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4991884U JPS60161300U (ja) | 1984-04-04 | 1984-04-04 | 伸縮式梯子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60161300U JPS60161300U (ja) | 1985-10-26 |
| JPH0326239Y2 true JPH0326239Y2 (enrdf_load_stackoverflow) | 1991-06-06 |
Family
ID=30567550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4991884U Granted JPS60161300U (ja) | 1984-04-04 | 1984-04-04 | 伸縮式梯子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60161300U (enrdf_load_stackoverflow) |
-
1984
- 1984-04-04 JP JP4991884U patent/JPS60161300U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60161300U (ja) | 1985-10-26 |
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