JPS55111391A - Threeestage expansion and retraction boom - Google Patents

Threeestage expansion and retraction boom

Info

Publication number
JPS55111391A
JPS55111391A JP1652079A JP1652079A JPS55111391A JP S55111391 A JPS55111391 A JP S55111391A JP 1652079 A JP1652079 A JP 1652079A JP 1652079 A JP1652079 A JP 1652079A JP S55111391 A JPS55111391 A JP S55111391A
Authority
JP
Japan
Prior art keywords
threeestage
expansion
boom
retraction
retraction boom
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
JP1652079A
Other languages
Japanese (ja)
Other versions
JPS5818317B2 (en
Inventor
Toshihiro Nakajiyou
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.)
Furukawa Unic Corp
Original Assignee
Unic Corp
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 Unic Corp filed Critical Unic Corp
Priority to JP54016520A priority Critical patent/JPS5818317B2/en
Publication of JPS55111391A publication Critical patent/JPS55111391A/en
Publication of JPS5818317B2 publication Critical patent/JPS5818317B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
JP54016520A 1979-02-13 1979-02-13 3-stage telescopic boom Expired JPS5818317B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP54016520A JPS5818317B2 (en) 1979-02-13 1979-02-13 3-stage telescopic boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54016520A JPS5818317B2 (en) 1979-02-13 1979-02-13 3-stage telescopic boom

Publications (2)

Publication Number Publication Date
JPS55111391A true JPS55111391A (en) 1980-08-27
JPS5818317B2 JPS5818317B2 (en) 1983-04-12

Family

ID=11918542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP54016520A Expired JPS5818317B2 (en) 1979-02-13 1979-02-13 3-stage telescopic boom

Country Status (1)

Country Link
JP (1) JPS5818317B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751692A (en) * 1980-09-09 1982-03-26 Shin Meiwa Ind Co Ltd Successive working device for multistage boom
JPS582189A (en) * 1981-06-24 1983-01-07 株式会社ユニック Multistage successive extensible boom

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60124906A (en) * 1983-12-12 1985-07-04 Matsushita Electric Ind Co Ltd Coil bobbin
JPS6186912U (en) * 1984-11-14 1986-06-07

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751692A (en) * 1980-09-09 1982-03-26 Shin Meiwa Ind Co Ltd Successive working device for multistage boom
JPS582189A (en) * 1981-06-24 1983-01-07 株式会社ユニック Multistage successive extensible boom
JPS627119B2 (en) * 1981-06-24 1987-02-16 Unic Corp

Also Published As

Publication number Publication date
JPS5818317B2 (en) 1983-04-12

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