JPH0526149Y2 - - Google Patents

Info

Publication number
JPH0526149Y2
JPH0526149Y2 JP1987162450U JP16245087U JPH0526149Y2 JP H0526149 Y2 JPH0526149 Y2 JP H0526149Y2 JP 1987162450 U JP1987162450 U JP 1987162450U JP 16245087 U JP16245087 U JP 16245087U JP H0526149 Y2 JPH0526149 Y2 JP H0526149Y2
Authority
JP
Japan
Prior art keywords
kelly rod
rod
kelly
chuck
bushing
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
JP1987162450U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0169891U (h
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 JP1987162450U priority Critical patent/JPH0526149Y2/ja
Publication of JPH0169891U publication Critical patent/JPH0169891U/ja
Application granted granted Critical
Publication of JPH0526149Y2 publication Critical patent/JPH0526149Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1987162450U 1987-10-26 1987-10-26 Expired - Lifetime JPH0526149Y2 (h)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987162450U JPH0526149Y2 (h) 1987-10-26 1987-10-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987162450U JPH0526149Y2 (h) 1987-10-26 1987-10-26

Publications (2)

Publication Number Publication Date
JPH0169891U JPH0169891U (h) 1989-05-09
JPH0526149Y2 true JPH0526149Y2 (h) 1993-07-01

Family

ID=31446288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987162450U Expired - Lifetime JPH0526149Y2 (h) 1987-10-26 1987-10-26

Country Status (1)

Country Link
JP (1) JPH0526149Y2 (h)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7117715B2 (ja) * 2018-06-06 2022-08-15 株式会社菅原建設 建設機材の回転反力受け装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5985087A (ja) * 1982-11-08 1984-05-16 三菱重工業株式会社 竪孔掘削機
JPS62225687A (ja) * 1985-10-23 1987-10-03 丸五基礎工業株式会社 ア−スドリル掘削機

Also Published As

Publication number Publication date
JPH0169891U (h) 1989-05-09

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