JPS5980591U - ケリ−ドライブ軸駆動装置 - Google Patents

ケリ−ドライブ軸駆動装置

Info

Publication number
JPS5980591U
JPS5980591U JP17557282U JP17557282U JPS5980591U JP S5980591 U JPS5980591 U JP S5980591U JP 17557282 U JP17557282 U JP 17557282U JP 17557282 U JP17557282 U JP 17557282U JP S5980591 U JPS5980591 U JP S5980591U
Authority
JP
Japan
Prior art keywords
drive shaft
solenoid valve
kelly
reverse
hydraulic 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
JP17557282U
Other languages
English (en)
Japanese (ja)
Other versions
JPS639663Y2 (https=
Inventor
山本　観美
大滝　昭治
谷口　四郎
昭夫 鈴木
正治 小川
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.)
Hitachi Construction Machinery Co Ltd
Takenaka Corp
Original Assignee
Hitachi Construction Machinery Co Ltd
Takenaka Corp
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 Hitachi Construction Machinery Co Ltd, Takenaka Corp filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP17557282U priority Critical patent/JPS5980591U/ja
Publication of JPS5980591U publication Critical patent/JPS5980591U/ja
Application granted granted Critical
Publication of JPS639663Y2 publication Critical patent/JPS639663Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP17557282U 1982-11-22 1982-11-22 ケリ−ドライブ軸駆動装置 Granted JPS5980591U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17557282U JPS5980591U (ja) 1982-11-22 1982-11-22 ケリ−ドライブ軸駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17557282U JPS5980591U (ja) 1982-11-22 1982-11-22 ケリ−ドライブ軸駆動装置

Publications (2)

Publication Number Publication Date
JPS5980591U true JPS5980591U (ja) 1984-05-31
JPS639663Y2 JPS639663Y2 (https=) 1988-03-22

Family

ID=30381942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17557282U Granted JPS5980591U (ja) 1982-11-22 1982-11-22 ケリ−ドライブ軸駆動装置

Country Status (1)

Country Link
JP (1) JPS5980591U (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646035A (en) * 1979-09-22 1981-04-27 Mitsubishi Heavy Ind Ltd Indicating method for shape of arm of suction dredger and draft thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5646035A (en) * 1979-09-22 1981-04-27 Mitsubishi Heavy Ind Ltd Indicating method for shape of arm of suction dredger and draft thereof

Also Published As

Publication number Publication date
JPS639663Y2 (https=) 1988-03-22

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