JPS6176848U - - Google Patents

Info

Publication number
JPS6176848U
JPS6176848U JP15920284U JP15920284U JPS6176848U JP S6176848 U JPS6176848 U JP S6176848U JP 15920284 U JP15920284 U JP 15920284U JP 15920284 U JP15920284 U JP 15920284U JP S6176848 U JPS6176848 U JP S6176848U
Authority
JP
Japan
Prior art keywords
drill
hole excavator
helical interval
rotating shaft
helical
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.)
Pending
Application number
JP15920284U
Other languages
English (en)
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 JP15920284U priority Critical patent/JPS6176848U/ja
Publication of JPS6176848U publication Critical patent/JPS6176848U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の１実施例の斜視説明図である
。 ３…原動機、２１…回転軸、２３…ドリル。

Claims (1)

    【実用新案登録請求の範囲】
  1. 原動機３の駆動によつて回転する垂直方向の回
    転軸２１の下端に螺旋型のドリル２３の上端を接
    続して設けた穴掘機において、前記ドリル２３の
    上部の螺旋間隔を下部の螺旋間隔よりも順次大き
    な寸法に形成したことを特徴とする穴掘機。
JP15920284U 1984-10-23 1984-10-23 Pending JPS6176848U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15920284U JPS6176848U (ja) 1984-10-23 1984-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15920284U JPS6176848U (ja) 1984-10-23 1984-10-23

Publications (1)

Publication Number Publication Date
JPS6176848U true JPS6176848U (ja) 1986-05-23

Family

ID=30717162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15920284U Pending JPS6176848U (ja) 1984-10-23 1984-10-23

Country Status (1)

Country Link
JP (1) JPS6176848U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528048Y1 (ja) * 1967-12-19 1970-10-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4528048Y1 (ja) * 1967-12-19 1970-10-28

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