JPS51122247A - Foldable double jib extendable from telescoping boom - Google Patents

Foldable double jib extendable from telescoping boom

Info

Publication number
JPS51122247A
JPS51122247A JP4723975A JP4723975A JPS51122247A JP S51122247 A JPS51122247 A JP S51122247A JP 4723975 A JP4723975 A JP 4723975A JP 4723975 A JP4723975 A JP 4723975A JP S51122247 A JPS51122247 A JP S51122247A
Authority
JP
Japan
Prior art keywords
extendable
telescoping boom
foldable double
double jib
jib
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
JP4723975A
Other languages
Japanese (ja)
Other versions
JPS5525596B2 (en
Inventor
Hideo Isaka
Hiroshi Miyazawa
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP4723975A priority Critical patent/JPS51122247A/en
Publication of JPS51122247A publication Critical patent/JPS51122247A/en
Publication of JPS5525596B2 publication Critical patent/JPS5525596B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To enable compact housing of double jib and rapid extending thereof.
COPYRIGHT: (C)1976,JPO&Japio
JP4723975A 1975-04-17 1975-04-17 Foldable double jib extendable from telescoping boom Granted JPS51122247A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4723975A JPS51122247A (en) 1975-04-17 1975-04-17 Foldable double jib extendable from telescoping boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4723975A JPS51122247A (en) 1975-04-17 1975-04-17 Foldable double jib extendable from telescoping boom

Publications (2)

Publication Number Publication Date
JPS51122247A true JPS51122247A (en) 1976-10-26
JPS5525596B2 JPS5525596B2 (en) 1980-07-07

Family

ID=12769651

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4723975A Granted JPS51122247A (en) 1975-04-17 1975-04-17 Foldable double jib extendable from telescoping boom

Country Status (1)

Country Link
JP (1) JPS51122247A (en)

Also Published As

Publication number Publication date
JPS5525596B2 (en) 1980-07-07

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