JPH01137390U - - Google Patents

Info

Publication number
JPH01137390U
JPH01137390U JP3156488U JP3156488U JPH01137390U JP H01137390 U JPH01137390 U JP H01137390U JP 3156488 U JP3156488 U JP 3156488U JP 3156488 U JP3156488 U JP 3156488U JP H01137390 U JPH01137390 U JP H01137390U
Authority
JP
Japan
Prior art keywords
boom
lower link
link member
base
kelly bar
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
JP3156488U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0547823Y2 (US20090163788A1-20090625-C00002.png
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 JP3156488U priority Critical patent/JPH0547823Y2/ja
Publication of JPH01137390U publication Critical patent/JPH01137390U/ja
Application granted granted Critical
Publication of JPH0547823Y2 publication Critical patent/JPH0547823Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3156488U 1988-03-11 1988-03-11 Expired - Lifetime JPH0547823Y2 (US20090163788A1-20090625-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3156488U JPH0547823Y2 (US20090163788A1-20090625-C00002.png) 1988-03-11 1988-03-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3156488U JPH0547823Y2 (US20090163788A1-20090625-C00002.png) 1988-03-11 1988-03-11

Publications (2)

Publication Number Publication Date
JPH01137390U true JPH01137390U (US20090163788A1-20090625-C00002.png) 1989-09-20
JPH0547823Y2 JPH0547823Y2 (US20090163788A1-20090625-C00002.png) 1993-12-16

Family

ID=31257506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3156488U Expired - Lifetime JPH0547823Y2 (US20090163788A1-20090625-C00002.png) 1988-03-11 1988-03-11

Country Status (1)

Country Link
JP (1) JPH0547823Y2 (US20090163788A1-20090625-C00002.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0589588U (ja) * 1991-11-18 1993-12-07 住友建機株式会社 建設機械におけるマスト格納機構
JPH0646090U (ja) * 1993-10-04 1994-06-24 日本車輌製造株式会社 アースドリル

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0589588U (ja) * 1991-11-18 1993-12-07 住友建機株式会社 建設機械におけるマスト格納機構
JPH0646090U (ja) * 1993-10-04 1994-06-24 日本車輌製造株式会社 アースドリル

Also Published As

Publication number Publication date
JPH0547823Y2 (US20090163788A1-20090625-C00002.png) 1993-12-16

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