JPS63219791A - ア−スドリルの安全装置 - Google Patents

ア−スドリルの安全装置

Info

Publication number
JPS63219791A
JPS63219791A JP5216587A JP5216587A JPS63219791A JP S63219791 A JPS63219791 A JP S63219791A JP 5216587 A JP5216587 A JP 5216587A JP 5216587 A JP5216587 A JP 5216587A JP S63219791 A JPS63219791 A JP S63219791A
Authority
JP
Japan
Prior art keywords
automatic stop
earth drill
work
overload prevention
safety device
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
JP5216587A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0467559B2 (enrdf_load_stackoverflow
Inventor
三谷　明夫
敏 野崎
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP5216587A priority Critical patent/JPS63219791A/ja
Publication of JPS63219791A publication Critical patent/JPS63219791A/ja
Publication of JPH0467559B2 publication Critical patent/JPH0467559B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Jib Cranes (AREA)
JP5216587A 1987-03-09 1987-03-09 ア−スドリルの安全装置 Granted JPS63219791A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5216587A JPS63219791A (ja) 1987-03-09 1987-03-09 ア−スドリルの安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5216587A JPS63219791A (ja) 1987-03-09 1987-03-09 ア−スドリルの安全装置

Publications (2)

Publication Number Publication Date
JPS63219791A true JPS63219791A (ja) 1988-09-13
JPH0467559B2 JPH0467559B2 (enrdf_load_stackoverflow) 1992-10-28

Family

ID=12907219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5216587A Granted JPS63219791A (ja) 1987-03-09 1987-03-09 ア−スドリルの安全装置

Country Status (1)

Country Link
JP (1) JPS63219791A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019190063A (ja) * 2018-04-20 2019-10-31 日本車輌製造株式会社 アースドリル

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6247940B2 (ja) * 2014-01-22 2017-12-13 日本車輌製造株式会社 アースドリル機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019190063A (ja) * 2018-04-20 2019-10-31 日本車輌製造株式会社 アースドリル

Also Published As

Publication number Publication date
JPH0467559B2 (enrdf_load_stackoverflow) 1992-10-28

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