JPH0513830Y2 - - Google Patents

Info

Publication number
JPH0513830Y2
JPH0513830Y2 JP1987151689U JP15168987U JPH0513830Y2 JP H0513830 Y2 JPH0513830 Y2 JP H0513830Y2 JP 1987151689 U JP1987151689 U JP 1987151689U JP 15168987 U JP15168987 U JP 15168987U JP H0513830 Y2 JPH0513830 Y2 JP H0513830Y2
Authority
JP
Japan
Prior art keywords
kelly bar
bucket
mast
excavator
holding cylinder
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
JP1987151689U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6457191U (en]
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 JP1987151689U priority Critical patent/JPH0513830Y2/ja
Publication of JPS6457191U publication Critical patent/JPS6457191U/ja
Application granted granted Critical
Publication of JPH0513830Y2 publication Critical patent/JPH0513830Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1987151689U 1987-10-05 1987-10-05 Expired - Lifetime JPH0513830Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987151689U JPH0513830Y2 (en]) 1987-10-05 1987-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987151689U JPH0513830Y2 (en]) 1987-10-05 1987-10-05

Publications (2)

Publication Number Publication Date
JPS6457191U JPS6457191U (en]) 1989-04-10
JPH0513830Y2 true JPH0513830Y2 (en]) 1993-04-13

Family

ID=31425956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987151689U Expired - Lifetime JPH0513830Y2 (en]) 1987-10-05 1987-10-05

Country Status (1)

Country Link
JP (1) JPH0513830Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4624285B2 (ja) * 2006-03-03 2011-02-02 日本車輌製造株式会社 オーガ用変速装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040402U (en]) * 1973-08-03 1975-04-24
JPS5571748U (en]) * 1978-11-02 1980-05-17
JPS58156687A (ja) * 1982-03-12 1983-09-17 日立建機株式会社 ア−スドリルにおけるスラスタ−自動復帰装置
JPS58180989U (ja) * 1982-12-09 1983-12-02 西尾　佳一 ア−スドリル装置
JPS6091693U (ja) * 1983-11-25 1985-06-22 日本基礎技術株式会社 ボーリングマシン用バケツト

Also Published As

Publication number Publication date
JPS6457191U (en]) 1989-04-10

Similar Documents

Publication Publication Date Title
CN87207346U (zh) 旋挖钻机
JPH0513830Y2 (en])
JP3410230B2 (ja) 掘削方法及びその装置
JPH0513829Y2 (en])
US5366029A (en) Large shaft over-reamer apparatus and method
JP4000004B2 (ja) アースオーガによる立坑の掘削工法および掘削装置
JPH0250250B2 (en])
JP2815084B2 (ja) バケット自己昇降式掘削装置
JPH10252065A (ja) オールケーシング工法の既設構造物回収方法及び既設構造物回収装置
US4919585A (en) Vehicular mounted excavator
GB2270329A (en) Forming a hole in the ground
RU2119036C1 (ru) Универсальный уширитель
JP2645976B2 (ja) 掘削機
JPS5910236Y2 (ja) 掘削機
JPH05287975A (ja) ダウンザホールドリルを使用するロータリテーブル型ボーリング機
WO2007121510A1 (en) Improved drilling apparatus and drive unit
JPH0721621Y2 (ja) 地盤改良装置
JP2781607B2 (ja) 補助ケリーバ装置
JP3222860B2 (ja) 伸縮式多段掘削軸
JP3025632B2 (ja) 硬岩層掘削装置
JPH0135154B2 (en])
JPH0960462A (ja) 掘削工法
JP3021832U (ja) 掘削装置
JPH07229146A (ja) 連続掘削機
JPS6323352B2 (en])