JPH0226089U - - Google Patents

Info

Publication number
JPH0226089U
JPH0226089U JP10291788U JP10291788U JPH0226089U JP H0226089 U JPH0226089 U JP H0226089U JP 10291788 U JP10291788 U JP 10291788U JP 10291788 U JP10291788 U JP 10291788U JP H0226089 U JPH0226089 U JP H0226089U
Authority
JP
Japan
Prior art keywords
jib
suspension
boom
tip
suspension members
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
JP10291788U
Other languages
English (en)
Other versions
JPH075111Y2 (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 JP1988102917U priority Critical patent/JPH075111Y2/ja
Priority to US07/372,454 priority patent/US4967917A/en
Priority to KR2019890011300U priority patent/KR920003797Y1/ko
Publication of JPH0226089U publication Critical patent/JPH0226089U/ja
Application granted granted Critical
Publication of JPH075111Y2 publication Critical patent/JPH075111Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示すジブ張出し状態
の側面図、第2図は同平面図、第3図は第1図の
一部拡大図、第4図は第2図の一部拡大図、第5
図はジブ格納状態の側面図、第6図は同平面図、
第7図は従来例を示す第1図相当図、第8図は同
第2図相当図、第9図は同第3図相当図、第10
図は同第4図相当図である。 1…ブーム、2…ジブ、4…サスペンシヨン機
構、5,6…サスペンシヨン機構を構成する左右
一対のサスペンシヨン部材、51,61…サスペ
ンシヨン部材を構成するサスペンシヨンロツド、
52,62…同ジブ起伏シリンダ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 左右一対のサスペンシヨン部材が、ブームの先
    端部と、このブーム先端部から張出されたジブと
    の間に懸架されて、ジブを支持するサスペンシヨ
    ン機構が構成され、上記両サスペンシヨン部材は
    、それぞれサスペンシヨンロツドと、ジブ起伏シ
    リンダとが軸方向に連結されて伸縮自在に構成さ
    れたことを特徴とするクレーンのジブ起伏装置。
JP1988102917U 1988-08-03 1988-08-03 クレーンのジブ起伏装置 Expired - Lifetime JPH075111Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1988102917U JPH075111Y2 (ja) 1988-08-03 1988-08-03 クレーンのジブ起伏装置
US07/372,454 US4967917A (en) 1988-08-03 1989-06-28 Jib derricking gear for a crane
KR2019890011300U KR920003797Y1 (ko) 1988-08-03 1989-07-31 크레인용 지브승강장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988102917U JPH075111Y2 (ja) 1988-08-03 1988-08-03 クレーンのジブ起伏装置

Publications (2)

Publication Number Publication Date
JPH0226089U true JPH0226089U (ja) 1990-02-20
JPH075111Y2 JPH075111Y2 (ja) 1995-02-08

Family

ID=31333267

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988102917U Expired - Lifetime JPH075111Y2 (ja) 1988-08-03 1988-08-03 クレーンのジブ起伏装置

Country Status (1)

Country Link
JP (1) JPH075111Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175688U (ja) * 1987-03-31 1988-11-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63175688U (ja) * 1987-03-31 1988-11-15

Also Published As

Publication number Publication date
JPH075111Y2 (ja) 1995-02-08

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