JPS57141392A - Expansion device for multistage boom - Google Patents

Expansion device for multistage boom

Info

Publication number
JPS57141392A
JPS57141392A JP2659581A JP2659581A JPS57141392A JP S57141392 A JPS57141392 A JP S57141392A JP 2659581 A JP2659581 A JP 2659581A JP 2659581 A JP2659581 A JP 2659581A JP S57141392 A JPS57141392 A JP S57141392A
Authority
JP
Japan
Prior art keywords
expansion device
multistage boom
boom
multistage
expansion
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
JP2659581A
Other languages
Japanese (ja)
Other versions
JPS632879B2 (en
Inventor
Masaaki Inaoka
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 JP2659581A priority Critical patent/JPS57141392A/en
Publication of JPS57141392A publication Critical patent/JPS57141392A/en
Publication of JPS632879B2 publication Critical patent/JPS632879B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
JP2659581A 1981-02-24 1981-02-24 Expansion device for multistage boom Granted JPS57141392A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2659581A JPS57141392A (en) 1981-02-24 1981-02-24 Expansion device for multistage boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2659581A JPS57141392A (en) 1981-02-24 1981-02-24 Expansion device for multistage boom

Publications (2)

Publication Number Publication Date
JPS57141392A true JPS57141392A (en) 1982-09-01
JPS632879B2 JPS632879B2 (en) 1988-01-21

Family

ID=12197877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2659581A Granted JPS57141392A (en) 1981-02-24 1981-02-24 Expansion device for multistage boom

Country Status (1)

Country Link
JP (1) JPS57141392A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127086U (en) * 1982-02-24 1983-08-29 新明和工業株式会社 Engagement device for sequential actuation device in multistage boom

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0636471B1 (en) 1993-07-28 2001-03-21 Asahi Glass Company Ltd. Method for producing of a laminated glass

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107396A (en) * 1980-12-24 1982-07-03 Shin Meiwa Ind Co Ltd Successive extension working device for multistage boom

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57107396A (en) * 1980-12-24 1982-07-03 Shin Meiwa Ind Co Ltd Successive extension working device for multistage boom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58127086U (en) * 1982-02-24 1983-08-29 新明和工業株式会社 Engagement device for sequential actuation device in multistage boom
JPS6143833Y2 (en) * 1982-02-24 1986-12-10

Also Published As

Publication number Publication date
JPS632879B2 (en) 1988-01-21

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