JPH02115900U - - Google Patents

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Publication number
JPH02115900U
JPH02115900U JP2489389U JP2489389U JPH02115900U JP H02115900 U JPH02115900 U JP H02115900U JP 2489389 U JP2489389 U JP 2489389U JP 2489389 U JP2489389 U JP 2489389U JP H02115900 U JPH02115900 U JP H02115900U
Authority
JP
Japan
Prior art keywords
ladder
pulley
child
main
locking body
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
JP2489389U
Other languages
English (en)
Other versions
JPH0547276Y2 (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 JP2489389U priority Critical patent/JPH0547276Y2/ja
Publication of JPH02115900U publication Critical patent/JPH02115900U/ja
Application granted granted Critical
Publication of JPH0547276Y2 publication Critical patent/JPH0547276Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Ladders (AREA)

Description

【図面の簡単な説明】
第１図乃至第６図は本考案の実施例を示し、第
１図は第２図の−線矢視断面図、第２図は要
部の一部断面拡大正面図、第３図は全体正面図、
第４図は同右側面図、第５図は第４図−線矢
視断面図、第６図は第３図−線矢視図、第７
図は従来例を示す側面図である。 １……親梯子、２……子梯子、３，４……側杆
、５，６……踏桟、９……上滑車、１７……下滑
車、１９……ロープ、２５……支軸、２７……係
止体、２８……フツク体、３１，３２……ガイド
手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 親梯子１の左右側杆３に子梯子２の左右側杆４
    を上下動自在に係合し、親梯子１上部に軸支した
    上滑車９側にロープ１９の一端を固定し、且つ他
    端側を子梯子２下部に軸支した下滑車１７を経て
    上滑車９に掛装して、その他端側を牽引操作する
    ことで伸縮調整自在とし、子梯子２に、親梯子１
    の踏桟５に係脱自在に係合して子梯子２の下方移
    動を規制するフツク体２８と、子梯子２を持ち上
    げる際に親梯子１の踏桟５に衝当して子梯子２と
    親梯子１との相対移動を規制する係止体２７とを
    備えた伸縮梯子において、 前記上滑車９を親梯子１の側杆３外側に配置し
    、下滑車１７を上滑車９と同側の子梯子２の側杆
    ３外側に上下動自在に配置し、子梯子２の下部に
    フツク体２８と係止体２７とを同軸２５上に回動
    自在に支持し、係止体２７と下滑車１７との間に
    、下滑車１７の上方移動に伴つて係止体２７を親
    梯子１の踏桟５と衝当しない位置に回動案内する
    ガイド手段を設けたことを特徴とする伸縮梯子。
JP2489389U 1989-03-04 1989-03-04 Expired - Lifetime JPH0547276Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2489389U JPH0547276Y2 (ja) 1989-03-04 1989-03-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2489389U JPH0547276Y2 (ja) 1989-03-04 1989-03-04

Publications (2)

Publication Number Publication Date
JPH02115900U true JPH02115900U (ja) 1990-09-17
JPH0547276Y2 JPH0547276Y2 (ja) 1993-12-13

Family

ID=31245140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2489389U Expired - Lifetime JPH0547276Y2 (ja) 1989-03-04 1989-03-04

Country Status (1)

Country Link
JP (1) JPH0547276Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949780B1 (ko) * 2009-07-14 2010-03-30 송일상 높이조절 사다리의 클램퍼

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949772B1 (ko) * 2009-07-14 2010-03-30 송일상 높이조절 사다리

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949780B1 (ko) * 2009-07-14 2010-03-30 송일상 높이조절 사다리의 클램퍼

Also Published As

Publication number Publication date
JPH0547276Y2 (ja) 1993-12-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term