JPS5919693U - さく孔機の接触検出機構 - Google Patents

さく孔機の接触検出機構

Info

Publication number
JPS5919693U
JPS5919693U JP11588982U JP11588982U JPS5919693U JP S5919693 U JPS5919693 U JP S5919693U JP 11588982 U JP11588982 U JP 11588982U JP 11588982 U JP11588982 U JP 11588982U JP S5919693 U JPS5919693 U JP S5919693U
Authority
JP
Japan
Prior art keywords
contact detection
detection mechanism
drilling machine
protruding member
rondo
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
JP11588982U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6219755Y2 (enrdf_load_stackoverflow
Inventor
吉男 中村
Original Assignee
古河鉱業株式会社
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 古河鉱業株式会社 filed Critical 古河鉱業株式会社
Priority to JP11588982U priority Critical patent/JPS5919693U/ja
Publication of JPS5919693U publication Critical patent/JPS5919693U/ja
Application granted granted Critical
Publication of JPS6219755Y2 publication Critical patent/JPS6219755Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP11588982U 1982-07-30 1982-07-30 さく孔機の接触検出機構 Granted JPS5919693U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11588982U JPS5919693U (ja) 1982-07-30 1982-07-30 さく孔機の接触検出機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11588982U JPS5919693U (ja) 1982-07-30 1982-07-30 さく孔機の接触検出機構

Publications (2)

Publication Number Publication Date
JPS5919693U true JPS5919693U (ja) 1984-02-06
JPS6219755Y2 JPS6219755Y2 (enrdf_load_stackoverflow) 1987-05-20

Family

ID=30267361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11588982U Granted JPS5919693U (ja) 1982-07-30 1982-07-30 さく孔機の接触検出機構

Country Status (1)

Country Link
JP (1) JPS5919693U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6219755Y2 (enrdf_load_stackoverflow) 1987-05-20

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