JPS58148182A - 多段ブ−ムの伸縮装置 - Google Patents

多段ブ−ムの伸縮装置

Info

Publication number
JPS58148182A
JPS58148182A JP57029277A JP2927782A JPS58148182A JP S58148182 A JPS58148182 A JP S58148182A JP 57029277 A JP57029277 A JP 57029277A JP 2927782 A JP2927782 A JP 2927782A JP S58148182 A JPS58148182 A JP S58148182A
Authority
JP
Japan
Prior art keywords
boom
arm
locking
hydraulic cylinder
base
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
JP57029277A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0130759B2 (cg-RX-API-DMAC7.html
Inventor
稲岡　正昭
栗林　繁喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shinmaywa Industries Ltd
Original Assignee
Shin Meiva Industry Ltd
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 by Shin Meiva Industry Ltd filed Critical Shin Meiva Industry Ltd
Priority to JP57029277A priority Critical patent/JPS58148182A/ja
Publication of JPS58148182A publication Critical patent/JPS58148182A/ja
Publication of JPH0130759B2 publication Critical patent/JPH0130759B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Forklifts And Lifting Vehicles (AREA)
JP57029277A 1982-02-24 1982-02-24 多段ブ−ムの伸縮装置 Granted JPS58148182A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57029277A JPS58148182A (ja) 1982-02-24 1982-02-24 多段ブ−ムの伸縮装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57029277A JPS58148182A (ja) 1982-02-24 1982-02-24 多段ブ−ムの伸縮装置

Publications (2)

Publication Number Publication Date
JPS58148182A true JPS58148182A (ja) 1983-09-03
JPH0130759B2 JPH0130759B2 (cg-RX-API-DMAC7.html) 1989-06-21

Family

ID=12271773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57029277A Granted JPS58148182A (ja) 1982-02-24 1982-02-24 多段ブ−ムの伸縮装置

Country Status (1)

Country Link
JP (1) JPS58148182A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002128470A (ja) * 2000-10-27 2002-05-09 Furukawa Co Ltd ブーム伸縮装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828545U (cg-RX-API-DMAC7.html) * 1971-08-09 1973-04-07
JPS5041655U (cg-RX-API-DMAC7.html) * 1973-08-14 1975-04-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828545U (cg-RX-API-DMAC7.html) * 1971-08-09 1973-04-07
JPS5041655U (cg-RX-API-DMAC7.html) * 1973-08-14 1975-04-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002128470A (ja) * 2000-10-27 2002-05-09 Furukawa Co Ltd ブーム伸縮装置

Also Published As

Publication number Publication date
JPH0130759B2 (cg-RX-API-DMAC7.html) 1989-06-21

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