JPS6414234U - - Google Patents

Info

Publication number
JPS6414234U
JPS6414234U JP10822087U JP10822087U JPS6414234U JP S6414234 U JPS6414234 U JP S6414234U JP 10822087 U JP10822087 U JP 10822087U JP 10822087 U JP10822087 U JP 10822087U JP S6414234 U JPS6414234 U JP S6414234U
Authority
JP
Japan
Prior art keywords
excavator
grab
blade
shells
shell
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
JP10822087U
Other languages
English (en)
Other versions
JPH0437993Y2 (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 JP1987108220U priority Critical patent/JPH0437993Y2/ja
Publication of JPS6414234U publication Critical patent/JPS6414234U/ja
Application granted granted Critical
Publication of JPH0437993Y2 publication Critical patent/JPH0437993Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Piles And Underground Anchors (AREA)
  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る掘削機のグラブの一実施
例を示す正面図、第２図は本考案のグラブに用い
られるシエルの要部拡大側面図、第３図は第１図
中のＡ部分の拡大断面図、第４図は従来の掘削機
のグラブを示す正面図、第５図は従来のグラブで
掘削される地中杭用の穴の断面図である。 １０……グラブ、１８，２０……シエル、１８
ａ，２０ａ……背面、２６……地中杭用の穴、２
６ｂ……拡底穴、３０，３２……掘削刃、３４，
３６……補助掘削刃。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 開閉可能な一対のシエルを備えたグラブが
    地中に進入され、該シエルの開閉をもつて地中杭
    用の穴が掘削される掘削機において、シエルの背
    面をその長さ方向において略直線状とし、該シエ
    ルの先端部に掘削刃を設けたことを特徴とする掘
    削機のグラブ。 (2) 掘削刃の内側に該掘削刃と略直交する補助
    掘削刃を設けたことを特徴とする実用新案登録請
    求の範囲第１項に記載の掘削機のグラブ。
JP1987108220U 1987-07-16 1987-07-16 Expired JPH0437993Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987108220U JPH0437993Y2 (ja) 1987-07-16 1987-07-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987108220U JPH0437993Y2 (ja) 1987-07-16 1987-07-16

Publications (2)

Publication Number Publication Date
JPS6414234U true JPS6414234U (ja) 1989-01-25
JPH0437993Y2 JPH0437993Y2 (ja) 1992-09-07

Family

ID=31343343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987108220U Expired JPH0437993Y2 (ja) 1987-07-16 1987-07-16

Country Status (1)

Country Link
JP (1) JPH0437993Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5540737A (en) * 1978-09-18 1980-03-22 Nippi:Kk Crosslinked flame-retardant polyvinyl chloride resin composition
JPS57161289A (en) * 1981-03-31 1982-10-04 Obayashi Gumi Kk Ground drilling method and apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5540737A (en) * 1978-09-18 1980-03-22 Nippi:Kk Crosslinked flame-retardant polyvinyl chloride resin composition
JPS57161289A (en) * 1981-03-31 1982-10-04 Obayashi Gumi Kk Ground drilling method and apparatus

Also Published As

Publication number Publication date
JPH0437993Y2 (ja) 1992-09-07

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