JPS60178089U - エアハンマの緩衝装置 - Google Patents

エアハンマの緩衝装置

Info

Publication number
JPS60178089U
JPS60178089U JP6453484U JP6453484U JPS60178089U JP S60178089 U JPS60178089 U JP S60178089U JP 6453484 U JP6453484 U JP 6453484U JP 6453484 U JP6453484 U JP 6453484U JP S60178089 U JPS60178089 U JP S60178089U
Authority
JP
Japan
Prior art keywords
air hammer
shock absorbing
absorbing device
shock absorber
drill rod
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
JP6453484U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6322223Y2 (enrdf_load_stackoverflow
Inventor
川崎　博行
太郎 渡辺
Original Assignee
株式会社　利根ボ−リング
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 株式会社　利根ボ−リング filed Critical 株式会社　利根ボ−リング
Priority to JP6453484U priority Critical patent/JPS60178089U/ja
Publication of JPS60178089U publication Critical patent/JPS60178089U/ja
Application granted granted Critical
Publication of JPS6322223Y2 publication Critical patent/JPS6322223Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP6453484U 1984-05-01 1984-05-01 エアハンマの緩衝装置 Granted JPS60178089U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6453484U JPS60178089U (ja) 1984-05-01 1984-05-01 エアハンマの緩衝装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6453484U JPS60178089U (ja) 1984-05-01 1984-05-01 エアハンマの緩衝装置

Publications (2)

Publication Number Publication Date
JPS60178089U true JPS60178089U (ja) 1985-11-26
JPS6322223Y2 JPS6322223Y2 (enrdf_load_stackoverflow) 1988-06-17

Family

ID=30595709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6453484U Granted JPS60178089U (ja) 1984-05-01 1984-05-01 エアハンマの緩衝装置

Country Status (1)

Country Link
JP (1) JPS60178089U (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021461A (ja) * 2000-07-12 2002-01-23 Nittoc Constr Co Ltd 二重管式削孔機用スイベル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002021461A (ja) * 2000-07-12 2002-01-23 Nittoc Constr Co Ltd 二重管式削孔機用スイベル

Also Published As

Publication number Publication date
JPS6322223Y2 (enrdf_load_stackoverflow) 1988-06-17

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