JPH0473086U - - Google Patents

Info

Publication number
JPH0473086U
JPH0473086U JP11656390U JP11656390U JPH0473086U JP H0473086 U JPH0473086 U JP H0473086U JP 11656390 U JP11656390 U JP 11656390U JP 11656390 U JP11656390 U JP 11656390U JP H0473086 U JPH0473086 U JP H0473086U
Authority
JP
Japan
Prior art keywords
body part
center
arc surface
circular arc
folding type
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
JP11656390U
Other languages
English (en)
Other versions
JPH0739993Y2 (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 JP11656390U priority Critical patent/JPH0739993Y2/ja
Publication of JPH0473086U publication Critical patent/JPH0473086U/ja
Application granted granted Critical
Publication of JPH0739993Y2 publication Critical patent/JPH0739993Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示すもので、第１図は
簡略縦断側面図、第２図はその縦断正面図、第３
図は屈折部の拡大縦断側面図、第４図はその平面
図、第５図は本考案の別な実施例を示す屈折部の
拡大縦断側面図、第６図はその平面図である。 １……シールド本体、１ａ……前胴部、１ｂ…
…後胴部、５……受圧部材、６，１０……円弧面
、９……押圧部材、１１……中折れジヤツキ、１
５……ローリング防止用ピン、１６……ピン保持
部材、１７……ピン穴。

Claims (1)

    【実用新案登録請求の範囲】
  1. 前端部に掘削用カツターを配設してなる筒状シ
    ールド本体を前胴部と後胴部とに分割すると共に
    、前胴部の後端に後胴部の前端を屈折自在に接合
    し、これらの前後胴部を互いに屈折させる中折れ
    ジヤツキ等の屈折作動手段を配設してなる中折れ
    式シールド掘削機において、前端面が屈折点を中
    心とする円弧面に形成された押圧部材を後胴部に
    一体に固着し、前胴部に該押圧部材の前記円弧面
    を摺動自在に受止する円弧面を設けた受圧部材を
    固着していることを特徴とする中折れ式シールド
    掘削機。
JP11656390U 1990-11-05 1990-11-05 中折れ式シールド掘削機 Expired - Lifetime JPH0739993Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11656390U JPH0739993Y2 (ja) 1990-11-05 1990-11-05 中折れ式シールド掘削機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11656390U JPH0739993Y2 (ja) 1990-11-05 1990-11-05 中折れ式シールド掘削機

Publications (2)

Publication Number Publication Date
JPH0473086U true JPH0473086U (ja) 1992-06-26
JPH0739993Y2 JPH0739993Y2 (ja) 1995-09-13

Family

ID=31864400

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11656390U Expired - Lifetime JPH0739993Y2 (ja) 1990-11-05 1990-11-05 中折れ式シールド掘削機

Country Status (1)

Country Link
JP (1) JPH0739993Y2 (ja)

Also Published As

Publication number Publication date
JPH0739993Y2 (ja) 1995-09-13

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term