JPS60135500U

JPS60135500U - foldable vertical ladder

Info

Publication number: JPS60135500U
Application number: JP2171584U
Authority: JP
Inventors: 茂近藤
Original assignee: 三菱重工業株式会社
Priority date: 1984-02-20
Filing date: 1984-02-20
Publication date: 1985-09-09

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の縄ばしごの略示的説明図、第２図は金属
ばしごの略示的説明図、第３図乃至第１０図は、本考案
の一実施例の概略説明図で、第３図は正面図、第４図は
側面図、第５図は折り畳み状態側面図、第６図は第３図
のＡ部拡大図、第７図は第６図のａ−ａ線断面図、第８
図は第６図のｂ−ｂ線断面図、第９図は第６図のｃ−ｃ
線断面図、第１０図は第６図のｄ−ｄ線矢親図で−ある
。５：側板、６：ヒンジ部材、７：ステップ、８：連結部
材、９：ストッパ、１０：弾性部材（付勢手段）。口　　　　　　　　　　　　　　　日　　　　　　　　
　　　■Ｉ／ＩＩ／１１１′ Ｑ　　　　　　　　　　　　　　　ＩＳｌ　　　　　　
　　　　１（（ｕFig. 1 is a schematic explanatory diagram of a conventional rope ladder, Fig. 2 is a schematic explanatory diagram of a metal ladder, and Figs. 3 to 10 are schematic explanatory diagrams of an embodiment of the present invention. Fig. 3 is a front view, Fig. 4 is a side view, Fig. 5 is a folded side view, Fig. 6 is an enlarged view of section A in Fig. 3, and Fig. 7 is a sectional view taken along line a-a in Fig. 6. , 8th
The figure is a sectional view taken along line b-b in Fig. 6, and Fig. 9 is a sectional view taken along line c-c in Fig. 6.
The line sectional view, FIG. 10, is a diagram taken along the line dd in FIG. 6. 5: side plate, 6: hinge member, 7: step, 8: connecting member, 9: stopper, 10: elastic member (biasing means). mouth day
■I/II/111' Q ISl
1((u

Claims

[Scope of utility model registration request]

A plurality of steps having engaging parts at appropriate positions at both ends, a lower groove at the lower end in which the entire engaging part of each step can be stored, and a part of the engaging part at the upper end can be stored together with the lower groove. A plurality of side plates having upper grooves that can be combined together, and a hinge member that foldably connects upper and lower adjacent side plates among the side plates;
An elastic member is provided between each step and each side plate, and biases the entire engagement portion of the step to be housed in the lower groove of each side plate when the step is unloaded. A connecting member that connects adjacent upper and lower steps and engages the engaging portion of each step with the upper groove and the lower groove of each side plate against the elasticity of the elastic member when the step is loaded. A folding vertical ladder comprising: