JPH0477689U - - Google Patents

Info

Publication number
JPH0477689U
JPH0477689U JP11848390U JP11848390U JPH0477689U JP H0477689 U JPH0477689 U JP H0477689U JP 11848390 U JP11848390 U JP 11848390U JP 11848390 U JP11848390 U JP 11848390U JP H0477689 U JPH0477689 U JP H0477689U
Authority
JP
Japan
Prior art keywords
sub
hammer
rod
drill
hammer sub
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
JP11848390U
Other languages
English (en)
Japanese (ja)
Other versions
JP2531792Y2 (ja
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 filed Critical
Priority to JP1990118483U priority Critical patent/JP2531792Y2/ja
Publication of JPH0477689U publication Critical patent/JPH0477689U/ja
Application granted granted Critical
Publication of JP2531792Y2 publication Critical patent/JP2531792Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP1990118483U 1990-11-10 1990-11-10 ロータリーパーカッションドリルにおけるハンマーサブ接続部の構造 Expired - Lifetime JP2531792Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990118483U JP2531792Y2 (ja) 1990-11-10 1990-11-10 ロータリーパーカッションドリルにおけるハンマーサブ接続部の構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990118483U JP2531792Y2 (ja) 1990-11-10 1990-11-10 ロータリーパーカッションドリルにおけるハンマーサブ接続部の構造

Publications (2)

Publication Number Publication Date
JPH0477689U true JPH0477689U (US06826419-20041130-M00005.png) 1992-07-07
JP2531792Y2 JP2531792Y2 (ja) 1997-04-09

Family

ID=31866401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990118483U Expired - Lifetime JP2531792Y2 (ja) 1990-11-10 1990-11-10 ロータリーパーカッションドリルにおけるハンマーサブ接続部の構造

Country Status (1)

Country Link
JP (1) JP2531792Y2 (US06826419-20041130-M00005.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178003A (ja) * 1974-12-27 1976-07-07 Koken Boring Machine Co Paakatsushonnaizogataoogadoriru
JPS60148391U (ja) * 1984-03-13 1985-10-02 三菱重工業株式会社 ドリフタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5178003A (ja) * 1974-12-27 1976-07-07 Koken Boring Machine Co Paakatsushonnaizogataoogadoriru
JPS60148391U (ja) * 1984-03-13 1985-10-02 三菱重工業株式会社 ドリフタ

Also Published As

Publication number Publication date
JP2531792Y2 (ja) 1997-04-09

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