JP2522549Y2 - 折畳梯子 - Google Patents
折畳梯子Info
- Publication number
- JP2522549Y2 JP2522549Y2 JP1990056009U JP5600990U JP2522549Y2 JP 2522549 Y2 JP2522549 Y2 JP 2522549Y2 JP 1990056009 U JP1990056009 U JP 1990056009U JP 5600990 U JP5600990 U JP 5600990U JP 2522549 Y2 JP2522549 Y2 JP 2522549Y2
- Authority
- JP
- Japan
- Prior art keywords
- vertical
- folding ladder
- vertical rail
- screwed
- arm
- 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
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990056009U JP2522549Y2 (ja) | 1990-05-30 | 1990-05-30 | 折畳梯子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990056009U JP2522549Y2 (ja) | 1990-05-30 | 1990-05-30 | 折畳梯子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0416300U JPH0416300U (enrdf_load_stackoverflow) | 1992-02-10 |
JP2522549Y2 true JP2522549Y2 (ja) | 1997-01-16 |
Family
ID=31579462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990056009U Expired - Lifetime JP2522549Y2 (ja) | 1990-05-30 | 1990-05-30 | 折畳梯子 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2522549Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5488884B2 (ja) * | 2009-09-29 | 2014-05-14 | 特殊梯子製作所有限会社 | 避難用梯子装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58794B2 (ja) * | 1977-12-07 | 1983-01-07 | 株式会社ナカ技術研究所 | 建物用避難装置 |
JPS58150100U (ja) * | 1982-03-31 | 1983-10-07 | 宮本 ▲よし▼孟 | 避難梯子 |
JPS59102900U (ja) * | 1982-12-28 | 1984-07-11 | 株式会社消防科学研究所 | 避難はしごの吊下金具 |
JPS6396199U (enrdf_load_stackoverflow) * | 1986-12-11 | 1988-06-21 |
-
1990
- 1990-05-30 JP JP1990056009U patent/JP2522549Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0416300U (enrdf_load_stackoverflow) | 1992-02-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |