JPS62114993U - - Google Patents

Info

Publication number
JPS62114993U
JPS62114993U JP20428585U JP20428585U JPS62114993U JP S62114993 U JPS62114993 U JP S62114993U JP 20428585 U JP20428585 U JP 20428585U JP 20428585 U JP20428585 U JP 20428585U JP S62114993 U JPS62114993 U JP S62114993U
Authority
JP
Japan
Prior art keywords
drilling machine
guide rail
reverse rotation
tip
rotation motor
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
JP20428585U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0346042Y2 (enrdf_load_stackoverflow
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 JP20428585U priority Critical patent/JPH0346042Y2/ja
Publication of JPS62114993U publication Critical patent/JPS62114993U/ja
Application granted granted Critical
Publication of JPH0346042Y2 publication Critical patent/JPH0346042Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Shovels (AREA)
JP20428585U 1985-12-28 1985-12-28 Expired JPH0346042Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20428585U JPH0346042Y2 (enrdf_load_stackoverflow) 1985-12-28 1985-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20428585U JPH0346042Y2 (enrdf_load_stackoverflow) 1985-12-28 1985-12-28

Publications (2)

Publication Number Publication Date
JPS62114993U true JPS62114993U (enrdf_load_stackoverflow) 1987-07-22
JPH0346042Y2 JPH0346042Y2 (enrdf_load_stackoverflow) 1991-09-27

Family

ID=31170301

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20428585U Expired JPH0346042Y2 (enrdf_load_stackoverflow) 1985-12-28 1985-12-28

Country Status (1)

Country Link
JP (1) JPH0346042Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0346042Y2 (enrdf_load_stackoverflow) 1991-09-27

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