JPH0453847U - - Google Patents

Info

Publication number
JPH0453847U
JPH0453847U JP9704490U JP9704490U JPH0453847U JP H0453847 U JPH0453847 U JP H0453847U JP 9704490 U JP9704490 U JP 9704490U JP 9704490 U JP9704490 U JP 9704490U JP H0453847 U JPH0453847 U JP H0453847U
Authority
JP
Japan
Prior art keywords
boom
opening
top portion
swing frame
side walls
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
JP9704490U
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 JP9704490U priority Critical patent/JPH0453847U/ja
Publication of JPH0453847U publication Critical patent/JPH0453847U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)

Description

【図面の簡単な説明】
図面は本考案の一実施例を示し、第1図はブー
ムの縦断面図、第2図は同横断面図、第3図は同
斜視図、第4図は第2図のA矢示図、第5図は全
体の側面図である。 27……揺動枠、28……ブーム、31……ブ
ームシリンダ、38……開口部、40,44……
左右側壁、41,45……底壁、53……隅部、
54……補強板。

Claims (1)

    【実用新案登録請求の範囲】
  1. 揺動枠27に断面角筒状のブーム28の基部を
    上下揺動自在に枢着し、このブーム28の基部側
    上面に開口部38を形成し、一端が揺動枠27に
    枢着されたブームシリンダ31を開口部38を経
    てブーム28に内装したバツクホーにおいて、ブ
    ーム28の左右側壁40,44と底壁41,45
    との左右隅部53に、頂部55が略開口部38の
    内端部近傍に対応し、かつこの頂部55からブー
    ム長手方向に離れるに従つて低くなる補強板54
    を左右側壁40,44と底壁41,45とに跨つ
    て橋絡状に設けたことを特徴とするバツクホーの
    ブーム構造。
JP9704490U 1990-09-13 1990-09-13 Pending JPH0453847U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9704490U JPH0453847U (ja) 1990-09-13 1990-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9704490U JPH0453847U (ja) 1990-09-13 1990-09-13

Publications (1)

Publication Number Publication Date
JPH0453847U true JPH0453847U (ja) 1992-05-08

Family

ID=31837091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9704490U Pending JPH0453847U (ja) 1990-09-13 1990-09-13

Country Status (1)

Country Link
JP (1) JPH0453847U (ja)

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