JPH0412594U - - Google Patents

Info

Publication number
JPH0412594U
JPH0412594U JP5195090U JP5195090U JPH0412594U JP H0412594 U JPH0412594 U JP H0412594U JP 5195090 U JP5195090 U JP 5195090U JP 5195090 U JP5195090 U JP 5195090U JP H0412594 U JPH0412594 U JP H0412594U
Authority
JP
Japan
Prior art keywords
cutter
movable plate
bit
outermost
front face
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
JP5195090U
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 JP5195090U priority Critical patent/JPH0412594U/ja
Publication of JPH0412594U publication Critical patent/JPH0412594U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例の断面図、第２図は
第１図の−方向の矢視図、第３図は第１図の
−方向の矢視図、第４図は従来例を示す正面
図、第５図は第４図の−方向の矢視図である
。 図中、１はカツター、３は前面ビツト、１３は
周縁部、１４は最外周前面ビツトを示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. シールド掘進機の掘進方向前端部に設けたカツ
    ターの前面に備えられる前面ビツトのうちの少な
    くとも最外周前面ビツトを、前記カツター前面に
    備えた半径方向に摺動自在な可動板に取付け、該
    可動板を前記カツターに備えた伸縮ジヤツキに連
    結し、前記最外周前面ビツトを前記カツター周縁
    部から出没し得るよう構成したことを特徴とする
    シールド掘進機の余掘り装置。
JP5195090U 1990-05-18 1990-05-18 Pending JPH0412594U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5195090U JPH0412594U (ja) 1990-05-18 1990-05-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5195090U JPH0412594U (ja) 1990-05-18 1990-05-18

Publications (1)

Publication Number Publication Date
JPH0412594U true JPH0412594U (ja) 1992-01-31

Family

ID=31571839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5195090U Pending JPH0412594U (ja) 1990-05-18 1990-05-18

Country Status (1)

Country Link
JP (1) JPH0412594U (ja)

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