JPH01131783A - 自動排土式アースドリル - Google Patents

自動排土式アースドリル

Info

Publication number
JPH01131783A
JPH01131783A JP28727487A JP28727487A JPH01131783A JP H01131783 A JPH01131783 A JP H01131783A JP 28727487 A JP28727487 A JP 28727487A JP 28727487 A JP28727487 A JP 28727487A JP H01131783 A JPH01131783 A JP H01131783A
Authority
JP
Japan
Prior art keywords
cylinder
earth
bottom cover
earth drill
drive motor
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
JP28727487A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0451637B2 (OSRAM
Inventor
Takeo Iida
飯田　武男
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 JP28727487A priority Critical patent/JPH01131783A/ja
Publication of JPH01131783A publication Critical patent/JPH01131783A/ja
Publication of JPH0451637B2 publication Critical patent/JPH0451637B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP28727487A 1987-11-16 1987-11-16 自動排土式アースドリル Granted JPH01131783A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28727487A JPH01131783A (ja) 1987-11-16 1987-11-16 自動排土式アースドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28727487A JPH01131783A (ja) 1987-11-16 1987-11-16 自動排土式アースドリル

Publications (2)

Publication Number Publication Date
JPH01131783A true JPH01131783A (ja) 1989-05-24
JPH0451637B2 JPH0451637B2 (OSRAM) 1992-08-19

Family

ID=17715278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28727487A Granted JPH01131783A (ja) 1987-11-16 1987-11-16 自動排土式アースドリル

Country Status (1)

Country Link
JP (1) JPH01131783A (OSRAM)

Also Published As

Publication number Publication date
JPH0451637B2 (OSRAM) 1992-08-19

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