JPS61207786A - クロ−ラドリルのロツド交換装置 - Google Patents

クロ−ラドリルのロツド交換装置

Info

Publication number
JPS61207786A
JPS61207786A JP4812385A JP4812385A JPS61207786A JP S61207786 A JPS61207786 A JP S61207786A JP 4812385 A JP4812385 A JP 4812385A JP 4812385 A JP4812385 A JP 4812385A JP S61207786 A JPS61207786 A JP S61207786A
Authority
JP
Japan
Prior art keywords
rod
shaft
swing arm
fixed
drifter
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
JP4812385A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0571758B2 (enrdf_load_html_response
Inventor
克彦 飯島
布川　光男
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP4812385A priority Critical patent/JPS61207786A/ja
Publication of JPS61207786A publication Critical patent/JPS61207786A/ja
Publication of JPH0571758B2 publication Critical patent/JPH0571758B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP4812385A 1985-03-13 1985-03-13 クロ−ラドリルのロツド交換装置 Granted JPS61207786A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4812385A JPS61207786A (ja) 1985-03-13 1985-03-13 クロ−ラドリルのロツド交換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4812385A JPS61207786A (ja) 1985-03-13 1985-03-13 クロ−ラドリルのロツド交換装置

Publications (2)

Publication Number Publication Date
JPS61207786A true JPS61207786A (ja) 1986-09-16
JPH0571758B2 JPH0571758B2 (enrdf_load_html_response) 1993-10-07

Family

ID=12794549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4812385A Granted JPS61207786A (ja) 1985-03-13 1985-03-13 クロ−ラドリルのロツド交換装置

Country Status (1)

Country Link
JP (1) JPS61207786A (enrdf_load_html_response)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586038A (ja) * 1981-06-25 1983-01-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 給電装置
JPS58156791U (ja) * 1982-04-14 1983-10-19 マツダ株式会社 さく岩装置のロツドチエンジヤ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586038A (ja) * 1981-06-25 1983-01-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 給電装置
JPS58156791U (ja) * 1982-04-14 1983-10-19 マツダ株式会社 さく岩装置のロツドチエンジヤ

Also Published As

Publication number Publication date
JPH0571758B2 (enrdf_load_html_response) 1993-10-07

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