JPS6236357U - - Google Patents

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Publication number
JPS6236357U
JPS6236357U JP12664485U JP12664485U JPS6236357U JP S6236357 U JPS6236357 U JP S6236357U JP 12664485 U JP12664485 U JP 12664485U JP 12664485 U JP12664485 U JP 12664485U JP S6236357 U JPS6236357 U JP S6236357U
Authority
JP
Japan
Prior art keywords
fixed
damper
dampers
shaft
ventilation passage
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
JP12664485U
Other languages
English (en)
Other versions
JPH0328252Y2 (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 JP12664485U priority Critical patent/JPH0328252Y2/ja
Publication of JPS6236357U publication Critical patent/JPS6236357U/ja
Application granted granted Critical
Publication of JPH0328252Y2 publication Critical patent/JPH0328252Y2/ja
Expired legal-status Critical Current

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Description

【図面の簡単な説明】
第１図は本考案の一実施例による防火ダンパー
を示す断面図、第２図は同防火ダンパーの要部拡
大図、第３図は同ダンパー機構の組立図、第４図
は同防火ダンパーの熱変形体の熱変形状態図、第
５図は同防火ダンパーの正面図、第６図は従来の
防火ダンパーを示す断面図である。 １……枠体、２……通風路、３……ダンパー、
４……軸、５……スプリング、６……熱変形体。

Claims (1)

    【実用新案登録請求の範囲】
  1. 両端の開口部を連通する通風路を有する筒形の
    枠体と、この枠体の内部に前記通風路と直角に固
    定された軸と、この軸に回動自在に設けた２枚の
    ダンパーと、この２枚のダンパーが一平面をなす
    方向に張力を有し、その両端を前記ダンパーに固
    定したスプリングと、前記２枚のダンパーを重ね
    あわせた状態で、前記ダンパーの一方に固定し他
    方に係止した熱変形体とを有する防火ダンパー。
JP12664485U 1985-08-20 1985-08-20 Expired JPH0328252Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12664485U JPH0328252Y2 (ja) 1985-08-20 1985-08-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12664485U JPH0328252Y2 (ja) 1985-08-20 1985-08-20

Publications (2)

Publication Number Publication Date
JPS6236357U true JPS6236357U (ja) 1987-03-04
JPH0328252Y2 JPH0328252Y2 (ja) 1991-06-18

Family

ID=31020644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12664485U Expired JPH0328252Y2 (ja) 1985-08-20 1985-08-20

Country Status (1)

Country Link
JP (1) JPH0328252Y2 (ja)

Also Published As

Publication number Publication date
JPH0328252Y2 (ja) 1991-06-18

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