JPS5876690A - たて穴ボ−リングマシンのカツタヘツド - Google Patents

たて穴ボ−リングマシンのカツタヘツド

Info

Publication number
JPS5876690A
JPS5876690A JP17447081A JP17447081A JPS5876690A JP S5876690 A JPS5876690 A JP S5876690A JP 17447081 A JP17447081 A JP 17447081A JP 17447081 A JP17447081 A JP 17447081A JP S5876690 A JPS5876690 A JP S5876690A
Authority
JP
Japan
Prior art keywords
cutter
support member
main shaft
drag
rotary
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
JP17447081A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6232314B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
正美 和田
網代 秀一
石川 泰昭
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
Original Assignee
Hitachi Construction Machinery Co 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP17447081A priority Critical patent/JPS5876690A/ja
Publication of JPS5876690A publication Critical patent/JPS5876690A/ja
Publication of JPS6232314B2 publication Critical patent/JPS6232314B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP17447081A 1981-11-02 1981-11-02 たて穴ボ−リングマシンのカツタヘツド Granted JPS5876690A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17447081A JPS5876690A (ja) 1981-11-02 1981-11-02 たて穴ボ−リングマシンのカツタヘツド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17447081A JPS5876690A (ja) 1981-11-02 1981-11-02 たて穴ボ−リングマシンのカツタヘツド

Publications (2)

Publication Number Publication Date
JPS5876690A true JPS5876690A (ja) 1983-05-09
JPS6232314B2 JPS6232314B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-14

Family

ID=15979038

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17447081A Granted JPS5876690A (ja) 1981-11-02 1981-11-02 たて穴ボ−リングマシンのカツタヘツド

Country Status (1)

Country Link
JP (1) JPS5876690A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014237947A (ja) * 2013-06-07 2014-12-18 東日本旅客鉄道株式会社 ビット装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0411411U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1990-05-21 1992-01-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014237947A (ja) * 2013-06-07 2014-12-18 東日本旅客鉄道株式会社 ビット装置

Also Published As

Publication number Publication date
JPS6232314B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-14

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