JPS6149240B2 - - Google Patents

Info

Publication number
JPS6149240B2
JPS6149240B2 JP54002237A JP223779A JPS6149240B2 JP S6149240 B2 JPS6149240 B2 JP S6149240B2 JP 54002237 A JP54002237 A JP 54002237A JP 223779 A JP223779 A JP 223779A JP S6149240 B2 JPS6149240 B2 JP S6149240B2
Authority
JP
Japan
Prior art keywords
boom
tube
plate
boom tube
tip
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.)
Expired
Application number
JP54002237A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5598088A (en
Inventor
Yoshio Kato
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.)
Kato Seisakusho Co Ltd
Original Assignee
Kato Seisakusho Co 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 Kato Seisakusho Co Ltd filed Critical Kato Seisakusho Co Ltd
Priority to JP223779A priority Critical patent/JPS5598088A/ja
Publication of JPS5598088A publication Critical patent/JPS5598088A/ja
Publication of JPS6149240B2 publication Critical patent/JPS6149240B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
JP223779A 1979-01-16 1979-01-16 Multistage expansion boom Granted JPS5598088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP223779A JPS5598088A (en) 1979-01-16 1979-01-16 Multistage expansion boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP223779A JPS5598088A (en) 1979-01-16 1979-01-16 Multistage expansion boom

Publications (2)

Publication Number Publication Date
JPS5598088A JPS5598088A (en) 1980-07-25
JPS6149240B2 true JPS6149240B2 (enrdf_load_stackoverflow) 1986-10-28

Family

ID=11523738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP223779A Granted JPS5598088A (en) 1979-01-16 1979-01-16 Multistage expansion boom

Country Status (1)

Country Link
JP (1) JPS5598088A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5235059A (en) * 1975-09-11 1977-03-17 Shin Meiwa Ind Co Ltd Support for an inner boom of an extendable boom

Also Published As

Publication number Publication date
JPS5598088A (en) 1980-07-25

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