JPS645992U - - Google Patents

Info

Publication number
JPS645992U
JPS645992U JP9919687U JP9919687U JPS645992U JP S645992 U JPS645992 U JP S645992U JP 9919687 U JP9919687 U JP 9919687U JP 9919687 U JP9919687 U JP 9919687U JP S645992 U JPS645992 U JP S645992U
Authority
JP
Japan
Prior art keywords
pipe
grip
awl
tip
stopper
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
JP9919687U
Other languages
English (en)
Other versions
JPH0444704Y2 (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 JP1987099196U priority Critical patent/JPH0444704Y2/ja
Publication of JPS645992U publication Critical patent/JPS645992U/ja
Application granted granted Critical
Publication of JPH0444704Y2 publication Critical patent/JPH0444704Y2/ja
Expired legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るボーリングバーの一実施
例を示した正面図で、第２図はその正断面図、第
３図は使用時の状態を示した説明図である。 １は把手パイプ、２，３，４は滑り止め用の凸
部、５は先端口、６は抜け止め金具、７は貫孔バ
ー、７ａは錐。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端に錐を設けた貫孔バーを上下作動自在に収
    めて成る把手パイプの周面グリツプ部分に滑り止
    め用の凸部を設け、また、上記把手パイプの先端
    口部分には貫孔バーの抜止め金具を設けたことを
    特徴とするボーリングバー。
JP1987099196U 1987-06-27 1987-06-27 Expired JPH0444704Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987099196U JPH0444704Y2 (ja) 1987-06-27 1987-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987099196U JPH0444704Y2 (ja) 1987-06-27 1987-06-27

Publications (2)

Publication Number Publication Date
JPS645992U true JPS645992U (ja) 1989-01-13
JPH0444704Y2 JPH0444704Y2 (ja) 1992-10-21

Family

ID=31326127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987099196U Expired JPH0444704Y2 (ja) 1987-06-27 1987-06-27

Country Status (1)

Country Link
JP (1) JPH0444704Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930964U (ja) * 1972-06-20 1974-03-16
JPS6123346U (ja) * 1984-07-13 1986-02-12 吉明 尾本 穿孔器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930964U (ja) * 1972-06-20 1974-03-16
JPS6123346U (ja) * 1984-07-13 1986-02-12 吉明 尾本 穿孔器

Also Published As

Publication number Publication date
JPH0444704Y2 (ja) 1992-10-21

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