JPH0716795Y2 - 拡底バケットの芯振れ防止装置 - Google Patents

拡底バケットの芯振れ防止装置

Info

Publication number
JPH0716795Y2
JPH0716795Y2 JP1991001809U JP180991U JPH0716795Y2 JP H0716795 Y2 JPH0716795 Y2 JP H0716795Y2 JP 1991001809 U JP1991001809 U JP 1991001809U JP 180991 U JP180991 U JP 180991U JP H0716795 Y2 JPH0716795 Y2 JP H0716795Y2
Authority
JP
Japan
Prior art keywords
runout
core
hole
bucket
preventing
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.)
Expired - Lifetime
Application number
JP1991001809U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0499783U (enrdf_load_stackoverflow
Inventor
正弘 中島
達雄 伊藤
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.)
Nippon Sharyo Ltd
Original Assignee
Nippon Sharyo 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 Nippon Sharyo Ltd filed Critical Nippon Sharyo Ltd
Priority to JP1991001809U priority Critical patent/JPH0716795Y2/ja
Publication of JPH0499783U publication Critical patent/JPH0499783U/ja
Application granted granted Critical
Publication of JPH0716795Y2 publication Critical patent/JPH0716795Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1991001809U 1991-01-24 1991-01-24 拡底バケットの芯振れ防止装置 Expired - Lifetime JPH0716795Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991001809U JPH0716795Y2 (ja) 1991-01-24 1991-01-24 拡底バケットの芯振れ防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991001809U JPH0716795Y2 (ja) 1991-01-24 1991-01-24 拡底バケットの芯振れ防止装置

Publications (2)

Publication Number Publication Date
JPH0499783U JPH0499783U (enrdf_load_stackoverflow) 1992-08-28
JPH0716795Y2 true JPH0716795Y2 (ja) 1995-04-19

Family

ID=31729442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991001809U Expired - Lifetime JPH0716795Y2 (ja) 1991-01-24 1991-01-24 拡底バケットの芯振れ防止装置

Country Status (1)

Country Link
JP (1) JPH0716795Y2 (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5447305A (en) * 1977-09-21 1979-04-13 Hitachi Construction Machinery Variable diameter type stabilizer
JPH0637114Y2 (ja) * 1989-04-04 1994-09-28 松元工業株式会社 竪孔掘削機のケリーバ振れ防止装置

Also Published As

Publication number Publication date
JPH0499783U (enrdf_load_stackoverflow) 1992-08-28

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