JPS6313997U - - Google Patents

Info

Publication number
JPS6313997U
JPS6313997U JP10296687U JP10296687U JPS6313997U JP S6313997 U JPS6313997 U JP S6313997U JP 10296687 U JP10296687 U JP 10296687U JP 10296687 U JP10296687 U JP 10296687U JP S6313997 U JPS6313997 U JP S6313997U
Authority
JP
Japan
Prior art keywords
boom
telescoping
cylinder
ear shaft
blind hole
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
JP10296687U
Other languages
English (en)
Other versions
JPH0515516Y2 (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 JP1987102966U priority Critical patent/JPH0515516Y2/ja
Publication of JPS6313997U publication Critical patent/JPS6313997U/ja
Application granted granted Critical
Publication of JPH0515516Y2 publication Critical patent/JPH0515516Y2/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1実施例を示す三段同時伸縮
ブームの説明図、第2図は第1図の滑車16の取
り付け状態を示す拡大断面図、第3図は第2図の
X―X断面図である。 4;伸縮用油圧シリンダ、5;シリンダ、10
;耳軸、11;盲穴、3;内側ブーム、12;ボ
ス金具、13;ピン穴、14;ピン、37;ワイ
ヤロープ、16;滑車。

Claims (1)

  1. 【実用新案登録請求の範囲】 複数のブームをテレスコピツク式に嵌挿してな
    る多段ブーム内にその伸縮動によつてブームを伸
    縮駆動する伸縮用油圧シリンダを備えた伸縮ブー
    ムにおいて、 前記伸縮用油圧シリンダのシリンダとブームと
    の止着を、シリンダ端部から側方へ延出され延出
    端に開口する盲穴を有する耳軸の盲穴とブームの
    側板内側に前記耳軸と対峙して設けたボス金具の
    ピン穴にピンを嵌挿して行うようにし、前記耳軸
    にはワイヤロープがかけられる滑車を転動自在に
    外嵌したことを特徴とする伸縮ブームにおける滑
    車の配置構造。
JP1987102966U 1987-07-03 1987-07-03 Expired - Lifetime JPH0515516Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987102966U JPH0515516Y2 (ja) 1987-07-03 1987-07-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987102966U JPH0515516Y2 (ja) 1987-07-03 1987-07-03

Publications (2)

Publication Number Publication Date
JPS6313997U true JPS6313997U (ja) 1988-01-29
JPH0515516Y2 JPH0515516Y2 (ja) 1993-04-23

Family

ID=30975091

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987102966U Expired - Lifetime JPH0515516Y2 (ja) 1987-07-03 1987-07-03

Country Status (1)

Country Link
JP (1) JPH0515516Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574994A (en) * 1978-12-01 1980-06-05 Harnischfeger Corp Expansible crane boom

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574994A (en) * 1978-12-01 1980-06-05 Harnischfeger Corp Expansible crane boom

Also Published As

Publication number Publication date
JPH0515516Y2 (ja) 1993-04-23

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