JPS60168844U - fire damper - Google Patents

fire damper

Info

Publication number
JPS60168844U
JPS60168844U JP5764284U JP5764284U JPS60168844U JP S60168844 U JPS60168844 U JP S60168844U JP 5764284 U JP5764284 U JP 5764284U JP 5764284 U JP5764284 U JP 5764284U JP S60168844 U JPS60168844 U JP S60168844U
Authority
JP
Japan
Prior art keywords
damper
holding means
closes
utility
model registration
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
JP5764284U
Other languages
Japanese (ja)
Other versions
JPH0324193Y2 (en
Inventor
雅信 谷川
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 JP5764284U priority Critical patent/JPS60168844U/en
Publication of JPS60168844U publication Critical patent/JPS60168844U/en
Application granted granted Critical
Publication of JPH0324193Y2 publication Critical patent/JPH0324193Y2/ja
Granted 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、本考案実施例の縦断面図、第２図は、同上横
断面図、第３図及び第４図は、同上側面図。 １：ダクト、２：ダンパー、４：形状記憶合金のバネ（
Ｓ■Ｕイル）、５：操作レバー、６：磁石、７：調整機
構。FIG. 1 is a longitudinal cross-sectional view of an embodiment of the present invention, FIG. 2 is a cross-sectional view of the same, and FIGS. 3 and 4 are side views of the same. 1: Duct, 2: Damper, 4: Shape memory alloy spring (
5: Operation lever, 6: Magnet, 7: Adjustment mechanism.

Claims (1)

【実用新案登録請求の範囲】 １　通気ダクトを開閉するダンパーと、この通気ダクト
内が一定温度以上になれば上記ダンパーを駆動してダク
トを閉鎖する形状記憶合金のバネと、から成るものにお
いて、 通常時に上記ダンパーを開成状態に保つ保持手段を保持
解除自在に設けると共に当該保持手段によるダンパーの
開成角度を任意に設定する、開度調整手段を設けたこと
を特徴とする防火ダンパー。 ２　上記保持手段は、磁石であることを特徴とする実用
新案登録請求の範囲第１項記載の防火ダンノ々−[Claims for Utility Model Registration] 1. A damper that opens and closes a ventilation duct, and a shape memory alloy spring that drives the damper and closes the duct when the temperature inside the ventilation duct exceeds a certain level, A fire prevention damper characterized in that a holding means for keeping the damper in an open state during normal times is provided so as to be freely held and released, and an opening adjustment means is provided for arbitrarily setting the opening angle of the damper by the holding means. 2. The fire prevention device according to claim 1 of the utility model registration claim, wherein the holding means is a magnet.
JP5764284U 1984-04-18 1984-04-18 fire damper Granted JPS60168844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5764284U JPS60168844U (en) 1984-04-18 1984-04-18 fire damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5764284U JPS60168844U (en) 1984-04-18 1984-04-18 fire damper

Publications (2)

Publication Number Publication Date
JPS60168844U true JPS60168844U (en) 1985-11-09
JPH0324193Y2 JPH0324193Y2 (en) 1991-05-27

Family

ID=30582357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5764284U Granted JPS60168844U (en) 1984-04-18 1984-04-18 fire damper

Country Status (1)

Country Link
JP (1) JPS60168844U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009036398A (en) * 2007-07-31 2009-02-19 Hrd Singapore Pte Ltd Ventilation system for dwelling house

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4817103U (en) * 1971-07-07 1973-02-26
JPS5248760U (en) * 1975-10-03 1977-04-07
JPS5848262U (en) * 1981-09-30 1983-04-01 ホーチキ株式会社 Fire damper switchgear

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248760B2 (en) * 1973-01-25 1977-12-12
JPS5848262B2 (en) * 1980-12-17 1983-10-27 宮川金属工業株式會社 Manufacturing method for parts with ears such as butterfly nuts

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4817103U (en) * 1971-07-07 1973-02-26
JPS5248760U (en) * 1975-10-03 1977-04-07
JPS5848262U (en) * 1981-09-30 1983-04-01 ホーチキ株式会社 Fire damper switchgear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009036398A (en) * 2007-07-31 2009-02-19 Hrd Singapore Pte Ltd Ventilation system for dwelling house

Also Published As

Publication number Publication date
JPH0324193Y2 (en) 1991-05-27

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