JPS6121238U - fire damper - Google Patents

fire damper

Info

Publication number
JPS6121238U
JPS6121238U JP10698284U JP10698284U JPS6121238U JP S6121238 U JPS6121238 U JP S6121238U JP 10698284 U JP10698284 U JP 10698284U JP 10698284 U JP10698284 U JP 10698284U JP S6121238 U JPS6121238 U JP S6121238U
Authority
JP
Japan
Prior art keywords
damper
fire damper
duct
hook
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
JP10698284U
Other languages
Japanese (ja)
Inventor
宏 田中
哲也 門馬
Original Assignee
シャープ株式会社
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 by シャープ株式会社 filed Critical シャープ株式会社
Priority to JP10698284U priority Critical patent/JPS6121238U/en
Publication of JPS6121238U publication Critical patent/JPS6121238U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案実施例の正面断面図、第２図は同側回断
面図、第３図は作動時の同正面断面図、第４図は他の実
施例の要部説明図。 １：通気ダクト、２：ダンパー、３：支持軸、４：遮へ
い板、５：保温カバー、６：スプリング、７：レバー、
８：弾性体、９：係止部、１０：形状記憶合金バネ（Ｓ
ＭＡコイル）。FIG. 1 is a front sectional view of an embodiment of the present invention, FIG. 2 is a sectional view of the same side, FIG. 3 is a front sectional view of the same during operation, and FIG. 4 is an explanatory diagram of main parts of another embodiment. 1: Ventilation duct, 2: Damper, 3: Support shaft, 4: Shielding plate, 5: Heat insulation cover, 6: Spring, 7: Lever,
8: Elastic body, 9: Locking part, 10: Shape memory alloy spring (S
MA coil).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ダクト内に該ダクトを開閉するダンパーを配設すると共
に該ダンノ未一を閉成方向に付勢する弾性部材を設け、
このダンパーに弾性力を以って係合することで該ダンパ
ーを開成状態に保持するフックを設けると共に特定温度
域において上記フックとダンバーとの係合を解除する形
状記憶合金部材を設けたことを特徴とする防火ダンパー
。A damper for opening and closing the duct is disposed in the duct, and an elastic member is provided for urging the Danno unichi in the closing direction,
A hook is provided that holds the damper in an open state by engaging with the damper with elastic force, and a shape memory alloy member is provided that releases the engagement between the hook and the damper in a specific temperature range. Features a fire damper.
JP10698284U 1984-07-13 1984-07-13 fire damper Pending JPS6121238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10698284U JPS6121238U (en) 1984-07-13 1984-07-13 fire damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10698284U JPS6121238U (en) 1984-07-13 1984-07-13 fire damper

Publications (1)

Publication Number Publication Date
JPS6121238U true JPS6121238U (en) 1986-02-07

Family

ID=30666250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10698284U Pending JPS6121238U (en) 1984-07-13 1984-07-13 fire damper

Country Status (1)

Country Link
JP (1) JPS6121238U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369181U (en) * 1986-10-20 1988-05-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6369181U (en) * 1986-10-20 1988-05-10
JPH0354154Y2 (en) * 1986-10-20 1991-11-28

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