JPH0410700U - - Google Patents

Info

Publication number
JPH0410700U
JPH0410700U JP5162490U JP5162490U JPH0410700U JP H0410700 U JPH0410700 U JP H0410700U JP 5162490 U JP5162490 U JP 5162490U JP 5162490 U JP5162490 U JP 5162490U JP H0410700 U JPH0410700 U JP H0410700U
Authority
JP
Japan
Prior art keywords
ladder
operating
operating rope
lower ladder
rope
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
Application number
JP5162490U
Other languages
English (en)
Other versions
JPH074318Y2 (ja
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990051624U priority Critical patent/JPH074318Y2/ja
Publication of JPH0410700U publication Critical patent/JPH0410700U/ja
Application granted granted Critical
Publication of JPH074318Y2 publication Critical patent/JPH074318Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Ladders (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す要部の縦断面
図、第２図は第１図の−矢視図、第３図は操
作ロープを下向きに引張操作した状態の要部の縦
断面図、第４図は伸縮梯子全体の折り畳み状態の
側面図、第５図は同正面図、第６図は他の実施例
の第４図と同様の側面図、第７図は同伸長状態の
縦断面図である。 １……下位梯子、２……上位梯子、３……操作
ロープ、１３……ロツク機構（ロツクレバー）、
１９……ばね、２１，２１′……係合孔、２４…
…踏桟端面部開口部、２５……孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 下位梯子と、該下位梯子に昇降自在に係合する
    上位梯子と、両梯子にわたつて設ける操作ロープ
    とからなり、操作ロープを操作することによつて
    上位梯子を下位梯子に沿つて伸縮昇降させるよう
    にした伸縮梯子において、操作ロープ解放時に上
    位梯子または下位梯子が独自に伸張移動するのを
    阻止するためロツク機構を設けてなる伸縮梯子。
JP1990051624U 1990-05-16 1990-05-16 伸縮梯子 Expired - Lifetime JPH074318Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990051624U JPH074318Y2 (ja) 1990-05-16 1990-05-16 伸縮梯子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990051624U JPH074318Y2 (ja) 1990-05-16 1990-05-16 伸縮梯子

Publications (2)

Publication Number Publication Date
JPH0410700U true JPH0410700U (ja) 1992-01-29
JPH074318Y2 JPH074318Y2 (ja) 1995-02-01

Family

ID=31571226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990051624U Expired - Lifetime JPH074318Y2 (ja) 1990-05-16 1990-05-16 伸縮梯子

Country Status (1)

Country Link
JP (1) JPH074318Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6334296U (ja) * 1986-08-19 1988-03-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6334296U (ja) * 1986-08-19 1988-03-05

Also Published As

Publication number Publication date
JPH074318Y2 (ja) 1995-02-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term