JPH02139994U - - Google Patents

Info

Publication number
JPH02139994U
JPH02139994U JP4705189U JP4705189U JPH02139994U JP H02139994 U JPH02139994 U JP H02139994U JP 4705189 U JP4705189 U JP 4705189U JP 4705189 U JP4705189 U JP 4705189U JP H02139994 U JPH02139994 U JP H02139994U
Authority
JP
Japan
Prior art keywords
boom
lodging
signal
limit value
driving force
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
JP4705189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0732620Y2 (ja
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 filed Critical
Priority to JP4705189U priority Critical patent/JPH0732620Y2/ja
Publication of JPH02139994U publication Critical patent/JPH02139994U/ja
Application granted granted Critical
Publication of JPH0732620Y2 publication Critical patent/JPH0732620Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP4705189U 1989-04-21 1989-04-21 自走式アースドリル装置におけるブーム倒伏動規制装置 Expired - Lifetime JPH0732620Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4705189U JPH0732620Y2 (ja) 1989-04-21 1989-04-21 自走式アースドリル装置におけるブーム倒伏動規制装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4705189U JPH0732620Y2 (ja) 1989-04-21 1989-04-21 自走式アースドリル装置におけるブーム倒伏動規制装置

Publications (2)

Publication Number Publication Date
JPH02139994U true JPH02139994U (enExample) 1990-11-22
JPH0732620Y2 JPH0732620Y2 (ja) 1995-07-26

Family

ID=31562648

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4705189U Expired - Lifetime JPH0732620Y2 (ja) 1989-04-21 1989-04-21 自走式アースドリル装置におけるブーム倒伏動規制装置

Country Status (1)

Country Link
JP (1) JPH0732620Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002038859A (ja) * 2000-07-24 2002-02-06 Kobelco Contstruction Machinery Ltd ブーム式作業機械

Also Published As

Publication number Publication date
JPH0732620Y2 (ja) 1995-07-26

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