JPH021174U - - Google Patents

Info

Publication number
JPH021174U
JPH021174U JP7885988U JP7885988U JPH021174U JP H021174 U JPH021174 U JP H021174U JP 7885988 U JP7885988 U JP 7885988U JP 7885988 U JP7885988 U JP 7885988U JP H021174 U JPH021174 U JP H021174U
Authority
JP
Japan
Prior art keywords
blades
weight
balance weight
retainer
holder
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
JP7885988U
Other languages
Japanese (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 JP7885988U priority Critical patent/JPH021174U/ja
Publication of JPH021174U publication Critical patent/JPH021174U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

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

本考案の一実施例を第１図、第２図および第３
図に示した。第１図は各羽根が開状態にある時の
断面の説明図（平常時）、第２図は各羽根が閉状
態にある時の断面の説明図（火災発生時）、第３
図は第１図の平面図一部を示している。 １……形状記憶素子、２……羽根、３……回動
軸、４……保持枠、５……保持器、６……滑車、
７……バランスウエイト、８，８ａ……ワイヤ。 An embodiment of the present invention is shown in FIGS. 1, 2, and 3.
Shown in the figure. Figure 1 is an explanatory diagram of the cross section when each blade is in the open state (normal time), Figure 2 is an explanatory diagram of the cross section when each blade is in the closed state (in the event of a fire outbreak),
The figure shows a part of the plan view of FIG. DESCRIPTION OF SYMBOLS 1...Shape memory element, 2...Blade, 3...Rotation shaft, 4...Holding frame, 5...Retainer, 6...Pulley,
7...Balance weight, 8,8a...Wire.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 自重により閉止自在に保持されたベネチヤンブ
ラインド形の耐火性の多数の羽根と、該羽根に係
止し該羽根の自重に対抗して該羽根を開状態に保
持する保持器と、該保持器に連結され作動時に該
保持器と前記羽根との係止を解除するバランスウ
エイトと、該バランスウエイトを非作動状態に吊
持し温度上昇したとき該吊持を開放して該バラン
スウエイトを作動させる形状記憶素子を備えた防
火シヤツタ。 A large number of Venetian blind-shaped fire-resistant blades held so as to be freely closed by their own weight, a holder that locks onto the blades and holds the blades in an open state against the weight of the blades, and the holder. a balance weight that is connected to the retainer and releases the lock between the retainer and the blade when activated; and a balance weight that is suspended in an inoperative state, and when the temperature rises, the suspension is released to activate the balance weight. A fireproof shutter equipped with a shape memory element.
JP7885988U 1988-06-16 1988-06-16 Pending JPH021174U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7885988U JPH021174U (en) 1988-06-16 1988-06-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7885988U JPH021174U (en) 1988-06-16 1988-06-16

Publications (1)

Publication Number Publication Date
JPH021174U true JPH021174U (en) 1990-01-08

Family

ID=31303753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7885988U Pending JPH021174U (en) 1988-06-16 1988-06-16

Country Status (1)

Country Link
JP (1) JPH021174U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984892A (en) * 1995-09-20 1997-03-31 Taisei Corp Anti-backflow damper for smoke prevention

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0984892A (en) * 1995-09-20 1997-03-31 Taisei Corp Anti-backflow damper for smoke prevention

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