JPH02132024U - - Google Patents

Info

Publication number
JPH02132024U
JPH02132024U JP3980289U JP3980289U JPH02132024U JP H02132024 U JPH02132024 U JP H02132024U JP 3980289 U JP3980289 U JP 3980289U JP 3980289 U JP3980289 U JP 3980289U JP H02132024 U JPH02132024 U JP H02132024U
Authority
JP
Japan
Prior art keywords
opening
sealing plate
rotation
slope
closing
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
JP3980289U
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 JP3980289U priority Critical patent/JPH02132024U/ja
Publication of JPH02132024U publication Critical patent/JPH02132024U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Description

【図面の簡単な説明】
第１図は本考案の開口部開閉装置の一実施例の
断面図、第２図は第１図におけるＥＥ断面図、第
３図は従来装置の機構図である。 ５……ベースブロツク、７……封止板、１２…
…偏心軸、１８……開口スペース。

Claims (1)

    【実用新案登録請求の範囲】
  1. 斜面形状の開口部をもつベースブロツクと、こ
    のベースブロツクに設置された回動軸に回動アー
    ムを介して固着された封止板、および封止板回動
    駆動機構とを備え、開口部の開閉動作において、
    開口部が斜面形状であることと開口部の斜面に対
    して封止板が回動軸中心に旋回動作することによ
    つて開口部の開閉を行ない、開口部開閉の有効動
    作スペースを最小ならしめたことを特徴とする開
    口部開閉装置。
JP3980289U 1989-04-04 1989-04-04 Pending JPH02132024U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3980289U JPH02132024U (ja) 1989-04-04 1989-04-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3980289U JPH02132024U (ja) 1989-04-04 1989-04-04

Publications (1)

Publication Number Publication Date
JPH02132024U true JPH02132024U (ja) 1990-11-02

Family

ID=31549029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3980289U Pending JPH02132024U (ja) 1989-04-04 1989-04-04

Country Status (1)

Country Link
JP (1) JPH02132024U (ja)

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