JPH0361099U - - Google Patents
Info
- Publication number
- JPH0361099U JPH0361099U JP12055189U JP12055189U JPH0361099U JP H0361099 U JPH0361099 U JP H0361099U JP 12055189 U JP12055189 U JP 12055189U JP 12055189 U JP12055189 U JP 12055189U JP H0361099 U JPH0361099 U JP H0361099U
- Authority
- JP
- Japan
- Prior art keywords
- ladder
- child
- view
- level
- showing
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ladders (AREA)
- Movable Scaffolding (AREA)
Description
第１図は本考案の一実施例の多段梯子の構成を
示す多段梯子の収容状態の断面図、第２図は第１
図の多段梯子の収容状態の側面図、第３図は最上
段の梯子と２段目の梯子のロツク機構を説明する
断面図、第４図は２段目の梯子と３段目の梯子の
ロツク機構を説明する断面図、第５図は上段側の
梯子を下段側の梯子から引き出す機構を示す説明
図、第６図は従来の折り畳み式の３連梯子の構成
を示す側面図、第７図は従来のスライド式の３連
梯子の構成を示す側面図、第８図Ａ〜Ｄはそれぞ
れ第７図のＡ−Ａ′，Ｂ−Ｂ′，Ｃ−Ｃ′線にお
ける局部断面図、第９図Ａ〜Ｄは第７図の留め金
具の動作を示す説明図である。
１０……最上段の梯子、１１……横桟、１２，
１３……サイドフレーム、１４，１５……係止片
、１６，１７……把手、１８……ばね、２０……
２段目の梯子、２１……横桟、２２，２３……サ
イドフレーム、２４，２５……係止片、２６，２
７……把手、２８，２９……係止突起、３０……
最下段の梯子、２１……横桟、３２，３３……サ
イドフレーム、３８，３９……係止溝、４０……
滑車、４１……ロープ。
Fig. 1 is a cross-sectional view of the multi-step ladder in the accommodated state showing the structure of the multi-step ladder according to an embodiment of the present invention, and Fig.
Figure 3 is a side view of the multi-tiered ladder in its accommodated state; Figure 3 is a sectional view illustrating the locking mechanism of the top and second ladders; Figure 4 is a cross-sectional view of the second and third ladders. 5 is an explanatory diagram showing the mechanism for pulling out the upper ladder from the lower ladder; FIG. 6 is a side view showing the configuration of a conventional folding triple ladder; The figure is a side view showing the configuration of a conventional sliding triple ladder, and Figures 8A to 8D are local sectional views taken along lines A-A', B-B', and CC' in Figure 7, respectively. 9A to 9D are explanatory diagrams showing the operation of the fastener shown in FIG. 7. 10...Top ladder, 11...Horizontal rung, 12,
13... Side frame, 14, 15... Locking piece, 16, 17... Handle, 18... Spring, 20...
2nd step ladder, 21... Horizontal beam, 22, 23... Side frame, 24, 25... Locking piece, 26, 2
7... Handle, 28, 29... Locking protrusion, 30...
Bottom ladder, 21...Horizontal beam, 32, 33...Side frame, 38, 39...Latching groove, 40...
Pulley, 41...rope.
Claims (1)
梯子とから構成される伸縮可能な多段梯子であつ
て、上段側の子梯子は次段の梯子のフレームの内
側にスライド可能に収容されると共に、上段側の
子梯子とこれを収容する次段の梯子との間には係
止部材が設けられており、上段側の梯子は引き出
された状態で次段の梯子に係止されることを特徴
とする多段梯子。 A retractable multi-level ladder consisting of a main ladder located at the lowest level and at least one child ladder, wherein the child ladder on the upper side is slidably housed inside the frame of the next ladder. A locking member is provided between the upper ladder and the next ladder that accommodates it, so that the upper ladder can be locked to the next ladder when it is pulled out. Features a multi-step ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12055189U JPH0361099U (en) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12055189U JPH0361099U (en) | 1989-10-17 | 1989-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0361099U true JPH0361099U (en) | 1991-06-14 |
Family
ID=31668624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12055189U Pending JPH0361099U (en) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0361099U (en) |
-
1989
- 1989-10-17 JP JP12055189U patent/JPH0361099U/ja active Pending
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