JPS62189293A - ドリルのヘツド用爪 - Google Patents

ドリルのヘツド用爪

Info

Publication number
JPS62189293A
JPS62189293A JP3393187A JP3393187A JPS62189293A JP S62189293 A JPS62189293 A JP S62189293A JP 3393187 A JP3393187 A JP 3393187A JP 3393187 A JP3393187 A JP 3393187A JP S62189293 A JPS62189293 A JP S62189293A
Authority
JP
Japan
Prior art keywords
claw
shape
drill
head
pawl
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
JP3393187A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0133633B2 (enrdf_load_stackoverflow
Inventor
和雄 村崎
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 JP3393187A priority Critical patent/JPS62189293A/ja
Publication of JPS62189293A publication Critical patent/JPS62189293A/ja
Publication of JPH0133633B2 publication Critical patent/JPH0133633B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP3393187A 1987-02-17 1987-02-17 ドリルのヘツド用爪 Granted JPS62189293A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3393187A JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3393187A JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Publications (2)

Publication Number Publication Date
JPS62189293A true JPS62189293A (ja) 1987-08-19
JPH0133633B2 JPH0133633B2 (enrdf_load_stackoverflow) 1989-07-14

Family

ID=12400260

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3393187A Granted JPS62189293A (ja) 1987-02-17 1987-02-17 ドリルのヘツド用爪

Country Status (1)

Country Link
JP (1) JPS62189293A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0249888A (ja) * 1988-08-10 1990-02-20 Kazuo Murazaki 回転式掘削ビット
JP2020190100A (ja) * 2019-05-21 2020-11-26 金属工具株式会社 オーガービット

Citations (1)

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

Patent Citations (1)

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0249888A (ja) * 1988-08-10 1990-02-20 Kazuo Murazaki 回転式掘削ビット
JP2020190100A (ja) * 2019-05-21 2020-11-26 金属工具株式会社 オーガービット
CN113994067A (zh) * 2019-05-21 2022-01-28 金属工具株式会社 一种螺旋钻头
US11795765B2 (en) 2019-05-21 2023-10-24 Metal Tool Inc Auger bit

Also Published As

Publication number Publication date
JPH0133633B2 (enrdf_load_stackoverflow) 1989-07-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees