JPS61135883U - - Google Patents

Info

Publication number
JPS61135883U
JPS61135883U JP1878585U JP1878585U JPS61135883U JP S61135883 U JPS61135883 U JP S61135883U JP 1878585 U JP1878585 U JP 1878585U JP 1878585 U JP1878585 U JP 1878585U JP S61135883 U JPS61135883 U JP S61135883U
Authority
JP
Japan
Prior art keywords
boom
movable pulley
movable
rope
main
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
Application number
JP1878585U
Other languages
English (en)
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 JP1878585U priority Critical patent/JPS61135883U/ja
Publication of JPS61135883U publication Critical patent/JPS61135883U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)

Description

【図面の簡単な説明】
第1図は本考案の1実施例を示す概略斜視図、
第2図は長さ検出器の1部を断面した図である。 1はロープ、2はリール、5はポテンシヨメー
タ、8は伸縮ブーム、9は親ブーム、10は子ブ
ーム、15は作動ロープを示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 親ブームに動滑車をブーム軸心方向に移動自在
    に設け、1端を親ブームに固定した作動ロープを
    前記動滑車と子ブーム先端間に掛回し、ポテンシ
    ヨメータの回転軸に連結したリールに巻付けられ
    たロープを前記動滑車に連結したことを特徴とす
    る多段式ブームの長さ検出装置。
JP1878585U 1985-02-13 1985-02-13 Pending JPS61135883U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1878585U JPS61135883U (ja) 1985-02-13 1985-02-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1878585U JPS61135883U (ja) 1985-02-13 1985-02-13

Publications (1)

Publication Number Publication Date
JPS61135883U true JPS61135883U (ja) 1986-08-23

Family

ID=30507745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1878585U Pending JPS61135883U (ja) 1985-02-13 1985-02-13

Country Status (1)

Country Link
JP (1) JPS61135883U (ja)

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