JPH0353989U - - Google Patents

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Publication number
JPH0353989U
JPH0353989U JP11496289U JP11496289U JPH0353989U JP H0353989 U JPH0353989 U JP H0353989U JP 11496289 U JP11496289 U JP 11496289U JP 11496289 U JP11496289 U JP 11496289U JP H0353989 U JPH0353989 U JP H0353989U
Authority
JP
Japan
Prior art keywords
boom
bending width
boom structure
plate
side plates
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
JP11496289U
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 JP11496289U priority Critical patent/JPH0353989U/ja
Publication of JPH0353989U publication Critical patent/JPH0353989U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図ａは本考案に係るブーム構造の縦断側面
図、第１図ｂは本考案に係るブーム構造を装備し
た多段伸縮ブームの断面図、第２図は本考案及び
従来例のブーム構造を使用したクレーン車の説明
図、第３図は従来例のブーム構造の断面図である
。 １……クレーム車、１ａ……車台、２……ター
ンテーブル、３……多段伸縮ブーム、３ａ……基
部ブーム、３ｂ……中間ブーム、３ｃ……先端ブ
ーム、４……上板、５……下板、６……左右側板
、６ａ……上面折込部、６ｂ……下面折込部、７
……スライダ、Ｌ……上面折込部の折込み幅、ｌ
……下面折込部の折込み幅。

Claims (1)

    【実用新案登録請求の範囲】
  1. 上板、下板及び左右側板により構成される断面
    四角状のブームの前記両側板を上方及び下方を内
    方に折曲げたブーム構造に於いて、下方の折曲げ
    幅を上方の折曲げ幅より短く構成したことを特徴
    とするブーム構造。
JP11496289U 1989-09-30 1989-09-30 Pending JPH0353989U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11496289U JPH0353989U (ja) 1989-09-30 1989-09-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11496289U JPH0353989U (ja) 1989-09-30 1989-09-30

Publications (1)

Publication Number Publication Date
JPH0353989U true JPH0353989U (ja) 1991-05-24

Family

ID=31663308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11496289U Pending JPH0353989U (ja) 1989-09-30 1989-09-30

Country Status (1)

Country Link
JP (1) JPH0353989U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602150U (ja) * 1983-06-20 1985-01-09 シャープ株式会社 温風暖房器のダンパ−機構

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602150U (ja) * 1983-06-20 1985-01-09 シャープ株式会社 温風暖房器のダンパ−機構

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