JPH0631119Y2 - 天井はしご装置 - Google Patents
天井はしご装置Info
- Publication number
- JPH0631119Y2 JPH0631119Y2 JP1988025421U JP2542188U JPH0631119Y2 JP H0631119 Y2 JPH0631119 Y2 JP H0631119Y2 JP 1988025421 U JP1988025421 U JP 1988025421U JP 2542188 U JP2542188 U JP 2542188U JP H0631119 Y2 JPH0631119 Y2 JP H0631119Y2
- Authority
- JP
- Japan
- Prior art keywords
- ladder member
- mainspring
- balancer
- ceiling
- 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 - Lifetime
Links
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025421U JPH0631119Y2 (ja) | 1988-02-24 | 1988-02-24 | 天井はしご装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988025421U JPH0631119Y2 (ja) | 1988-02-24 | 1988-02-24 | 天井はしご装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01129500U JPH01129500U (en, 2012) | 1989-09-04 |
| JPH0631119Y2 true JPH0631119Y2 (ja) | 1994-08-22 |
Family
ID=31246144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988025421U Expired - Lifetime JPH0631119Y2 (ja) | 1988-02-24 | 1988-02-24 | 天井はしご装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631119Y2 (en, 2012) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5622896A (en) * | 1979-07-31 | 1981-03-04 | Matsushita Electric Works Ltd | Lifting device for ladder |
| JPS58172698U (ja) * | 1982-05-13 | 1983-11-18 | 岩崎金属工業株式会社 | 天井蓋のロツク機構 |
| JPS59163100U (ja) * | 1983-04-18 | 1984-10-31 | 日本設備株式会社 | 避難装置 |
| JPS6132080U (ja) * | 1984-07-31 | 1986-02-26 | 凸版印刷株式会社 | 保護性の優れたスタンド式遮光アンプルベット |
| JPS62253855A (ja) * | 1986-04-24 | 1987-11-05 | 松下電工株式会社 | はしご装置 |
-
1988
- 1988-02-24 JP JP1988025421U patent/JPH0631119Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01129500U (en, 2012) | 1989-09-04 |
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