JPS6253677B2 - - Google Patents

Info

Publication number
JPS6253677B2
JPS6253677B2 JP58153012A JP15301283A JPS6253677B2 JP S6253677 B2 JPS6253677 B2 JP S6253677B2 JP 58153012 A JP58153012 A JP 58153012A JP 15301283 A JP15301283 A JP 15301283A JP S6253677 B2 JPS6253677 B2 JP S6253677B2
Authority
JP
Japan
Prior art keywords
bit
button
angle
shaped
lock
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
Application number
JP58153012A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6047194A (ja
Inventor
Yoneo Hiwasa
Yukihisa Yasui
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal 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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP15301283A priority Critical patent/JPS6047194A/ja
Publication of JPS6047194A publication Critical patent/JPS6047194A/ja
Publication of JPS6253677B2 publication Critical patent/JPS6253677B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP15301283A 1983-08-24 1983-08-24 ロツクビツト Granted JPS6047194A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15301283A JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15301283A JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Publications (2)

Publication Number Publication Date
JPS6047194A JPS6047194A (ja) 1985-03-14
JPS6253677B2 true JPS6253677B2 (en, 2012) 1987-11-11

Family

ID=15553024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15301283A Granted JPS6047194A (ja) 1983-08-24 1983-08-24 ロツクビツト

Country Status (1)

Country Link
JP (1) JPS6047194A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0556731A (ja) * 1991-09-02 1993-03-09 Koichi Yamamoto ルアーの製造方法
KR20210087714A (ko) * 2020-01-03 2021-07-13 백경재 연약지반 굴착용 비트

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507202U (en, 2012) * 1973-05-17 1975-01-24
JPS535390Y2 (en, 2012) * 1973-06-22 1978-02-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0556731A (ja) * 1991-09-02 1993-03-09 Koichi Yamamoto ルアーの製造方法
KR20210087714A (ko) * 2020-01-03 2021-07-13 백경재 연약지반 굴착용 비트

Also Published As

Publication number Publication date
JPS6047194A (ja) 1985-03-14

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