JPH0414699U - - Google Patents
Info
- Publication number
- JPH0414699U JPH0414699U JP5540290U JP5540290U JPH0414699U JP H0414699 U JPH0414699 U JP H0414699U JP 5540290 U JP5540290 U JP 5540290U JP 5540290 U JP5540290 U JP 5540290U JP H0414699 U JPH0414699 U JP H0414699U
- Authority
- JP
- Japan
- Prior art keywords
- link
- shaped
- torsion spring
- links
- shaped link
- 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
Landscapes
- Ladders (AREA)
Description
第１図は従来技術の正面図、第２図は第１図の
一部断面図であり、第３図は本考案の一実施例の
分解斜視図、第４図は同例の組立図である。
図中 １０……板状リンク、１１……丸孔、１
２……捩りばね、２０……コ型リンク、２１……
ウエブ、２３，２４……丸孔、３０……横桟、３
１……天板、３２……突起、３３，３４……横丸
孔、４０，４１，４２……ピン。
Fig. 1 is a front view of the prior art, Fig. 2 is a partial sectional view of Fig. 1, Fig. 3 is an exploded perspective view of an embodiment of the present invention, and Fig. 4 is an assembled view of the same example. be. In the figure 10...Plate link, 11...Round hole, 1
2...Torsion spring, 20...U-shaped link, 21...
Web, 23, 24...Round hole, 30...Horizontal bar, 3
1...Top plate, 32...Protrusion, 33, 34...Horizontal round hole, 40, 41, 42...Pin.
Claims (1)
エブを内側にした断面コ型リンクとし、下方のリ
ンクを板状リンクとして両リンクをピンによつて
連結し、下方の板状リンクを横桟両端上面に突設
した突起に連結ピンによつて連結し、上方のコ型
リンクを上段の横桟の両端部に挿入してピンによ
つて連結した折りたたみ自在の避難梯子において
、上方のコ型リンクの上端に捩りばねを挿入して
コ型リンク連結ピンに捩りばねを嵌合させ、捩り
ばねの一方のアームをコ型リンクのウエブの外側
面に当接させてコ型リンクを梯子の内側方向へ付
勢した、折りたたみ式避難梯子。 The horizontal beam is a cross-sectional member, the upper link is a U-shaped cross-sectional link with the web inside, the lower link is a plate-shaped link, and both links are connected by a pin, and the lower plate-shaped link is a horizontal beam. In a foldable evacuation ladder, the upper U-shaped links are connected to protrusions protruding from the upper surface of both ends by connecting pins, and the upper U-shaped links are inserted into both ends of the upper horizontal rungs and connected by the pins. Insert a torsion spring into the upper end of the link, fit the torsion spring to the C-shaped link connecting pin, and bring one arm of the torsion spring into contact with the outer surface of the web of the C-shaped link to attach the C-shaped link to the inside of the ladder. Foldable evacuation ladder with biased direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5540290U JPH0414699U (en) | 1990-05-29 | 1990-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5540290U JPH0414699U (en) | 1990-05-29 | 1990-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0414699U true JPH0414699U (en) | 1992-02-05 |
Family
ID=31578321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5540290U Pending JPH0414699U (en) | 1990-05-29 | 1990-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414699U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046799B2 (en) * | 1977-08-10 | 1985-10-17 | シャープ株式会社 | microwave oven |
-
1990
- 1990-05-29 JP JP5540290U patent/JPH0414699U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6046799B2 (en) * | 1977-08-10 | 1985-10-17 | シャープ株式会社 | microwave oven |