JPH0318400U - - Google Patents
Info
- Publication number
- JPH0318400U JPH0318400U JP7847789U JP7847789U JPH0318400U JP H0318400 U JPH0318400 U JP H0318400U JP 7847789 U JP7847789 U JP 7847789U JP 7847789 U JP7847789 U JP 7847789U JP H0318400 U JPH0318400 U JP H0318400U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- rung
- horizontal
- support lever
- supports
- 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
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Description
第１図は本考案の一実施例をあらわした避難梯
子のベランダ取付状態の斜視図、第２図は折りた
たんだ状態の半裁縦断面図、第３図は梯子の伸延
時における要部を拡大した半裁縦断面図、第４図
は第３図におけるＡ部分の拡大図、第５図は第４
図におけるＢ−Ｂ線矢視方向の切断平面図、第６
図は支持レバーの先端部分の拡大側面図である。
１……第１段の外梯子、２……第２段の外梯子
、３……第３段の外梯子、４……第４段の外梯子
、５……石突き、６……天板、６ａ……台板、７
……内梯子、９……支持レバー、１１……ガイド
、１２……作動爪、１５……バネ、１６……手摺
棒。
Fig. 1 is a perspective view of an evacuation ladder installed on a balcony, showing an embodiment of the present invention, Fig. 2 is a half-cut vertical cross-sectional view of the ladder when it is folded, and Fig. 3 is an enlarged view of the main parts of the ladder when it is extended. A half-cut vertical cross-sectional view, Figure 4 is an enlarged view of part A in Figure 3, and Figure 5 is an enlarged view of part A in Figure 4.
A cutaway plan view taken in the direction of arrows B-B in the figure, No. 6
The figure is an enlarged side view of the tip portion of the support lever. 1...1st step outer ladder, 2...2nd step outer ladder, 3...3rd step outer ladder, 4...4th step outer ladder, 5...stone butt, 6...height Board, 6a... Base plate, 7
... Inner ladder, 9 ... Support lever, 11 ... Guide, 12 ... Operating pawl, 15 ... Spring, 16 ... Handrail bar.
Claims (1)
向伸縮自在にスライドできるようにした第１段か
ら第ｎ段にわたる複数段の外梯子と、第１段の外
梯子の上端部に連絡され、上端部を回動自在に軸
着したところの横桟を架け渡した内梯子と、該内
梯子の中間寄りの位置に一端を固定され、前記第
２段以後の各梯子の横桟の下側に挿通して各梯子
を担持する支持レバーとからなり、非常時に内梯
子の下方部を外梯子より離間させることにより支
持レバーから第２段以後の梯子を自動的に外して
伸長させるようにした避難梯子。 (2) 左右一対の支柱を長さ方向伸縮自在にスラ
イドできるようにした第１段から第ｎ段にわたる
複数段の外梯子と、第１段の外梯子の上端部に連
絡され、上端部を回動自在に軸着したところの横
桟を架け渡した内梯子と、該内梯子の中間寄りの
位置に一端を固定され、前記第２段以後の各梯子
の横桟の下側に挿通して各梯子を担持する支持レ
バーとからなり、非常時に内梯子の下方部を外梯
子より離間させることにより支持レバーから第２
段以後の梯子を自動的に外して伸長させるように
するとともに、前記複数段に伸縮自在とした各外
梯子には一定の間隔を介して複数の横桟を架け渡
してなることを特徴とした請求項(1)に記載の避
難梯子。[Scope of Claim for Utility Model Registration] (1) A multi-step external ladder from the first step to the nth step, in which a pair of left and right supports with horizontal rungs can be slid freely in the length direction; an inner ladder connected to the upper end of the outer ladder of the rung and spanning a horizontal rung whose upper end is rotatably pivoted; It consists of a support lever that is inserted under the side rung of each ladder after the rung and supports each ladder.In an emergency, by separating the lower part of the inner ladder from the outer ladder, the support lever can be used to move the ladder after the second rung. An evacuation ladder that automatically releases and extends. (2) A multi-tiered external ladder from the first to nth tier with a pair of left and right columns that can be extended and contracted in the longitudinal direction; An inner ladder spans the horizontal rung that is rotatably pivoted, and one end is fixed at a position near the middle of the inner ladder, and the end is inserted into the lower side of the rung of each ladder after the second step. and a support lever that supports each ladder.In an emergency, by separating the lower part of the inner ladder from the outer ladder, a second
The ladder after the rung is automatically removed and extended, and each of the outer ladders, which are extendable to the plurality of steps, is provided with a plurality of horizontal rungs at a constant interval. The evacuation ladder according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7847789U JPH0741840Y2 (en) | 1989-07-03 | 1989-07-03 | Evacuation ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7847789U JPH0741840Y2 (en) | 1989-07-03 | 1989-07-03 | Evacuation ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0318400U true JPH0318400U (en) | 1991-02-22 |
| JPH0741840Y2 JPH0741840Y2 (en) | 1995-09-27 |
Family
ID=31621784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7847789U Expired - Lifetime JPH0741840Y2 (en) | 1989-07-03 | 1989-07-03 | Evacuation ladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741840Y2 (en) |
-
1989
- 1989-07-03 JP JP7847789U patent/JPH0741840Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741840Y2 (en) | 1995-09-27 |
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