JPH0336999B2 - - Google Patents

Info

Publication number
JPH0336999B2
JPH0336999B2 JP62033932A JP3393287A JPH0336999B2 JP H0336999 B2 JPH0336999 B2 JP H0336999B2 JP 62033932 A JP62033932 A JP 62033932A JP 3393287 A JP3393287 A JP 3393287A JP H0336999 B2 JPH0336999 B2 JP H0336999B2
Authority
JP
Japan
Prior art keywords
claw
pawl
block
head
bolt
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.)
Expired - Lifetime
Application number
JP62033932A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62189294A (ja
Inventor
Kazuo Murazaki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3393287A priority Critical patent/JPS62189294A/ja
Publication of JPS62189294A publication Critical patent/JPS62189294A/ja
Publication of JPH0336999B2 publication Critical patent/JPH0336999B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3393287A 1987-02-17 1987-02-17 ドリルヘッドの爪の取付け構造 Granted JPS62189294A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3393287A JPS62189294A (ja) 1987-02-17 1987-02-17 ドリルヘッドの爪の取付け構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3393287A JPS62189294A (ja) 1987-02-17 1987-02-17 ドリルヘッドの爪の取付け構造

Publications (2)

Publication Number Publication Date
JPS62189294A JPS62189294A (ja) 1987-08-19
JPH0336999B2 true JPH0336999B2 (pm) 1991-06-04

Family

ID=12400286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3393287A Granted JPS62189294A (ja) 1987-02-17 1987-02-17 ドリルヘッドの爪の取付け構造

Country Status (1)

Country Link
JP (1) JPS62189294A (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6628459B1 (ja) * 2019-05-21 2020-01-08 金属工具株式会社 オーガービット

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224002U (pm) * 1975-08-08 1977-02-19
JPS5254104U (pm) * 1975-10-17 1977-04-19

Also Published As

Publication number Publication date
JPS62189294A (ja) 1987-08-19

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