JPS6131463U - fire damper - Google Patents
fire damperInfo
- Publication number
- JPS6131463U JPS6131463U JP11861384U JP11861384U JPS6131463U JP S6131463 U JPS6131463 U JP S6131463U JP 11861384 U JP11861384 U JP 11861384U JP 11861384 U JP11861384 U JP 11861384U JP S6131463 U JPS6131463 U JP S6131463U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- fire damper
- duct
- closing
- retains
- 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
Links
Landscapes
- Air-Flow Control Members (AREA)
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
第１図は本考案第１実施例の正面断面図、第２図は同側
面図、第３図は作動時の同正面断面図、第４図は本考案
第２実施例の正面断面図、第５図は同側面図、第６図は
作動時の同正面断面図。
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：フツク、９：係合部。FIG. 1 is a front sectional view of the first embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a front sectional view of the same during operation, and FIG. 4 is a front sectional view of the second embodiment of the present invention. FIG. 5 is a side view of the same, and FIG. 6 is a front sectional view of the same during operation. 1: Ventilation duct, 2: Damper, 3: Support shaft, 4: Shielding plate, 5: Heat insulation cover, 6: Spring, 7: Lever,
8: Hook, 9: Engagement part.
Claims (1)
に該ダンパーを閉成方向に付勢する弾性部材を設け、こ
のダンパーに係合することで該ダンパーを開成状態に保
持すると共に特定温度域においてダンパーとの保合を解
除する形状記憶合金から成るフックを設けたことを特徴
とする防火ダン／Ｓ：′一 〜[Claims for Utility Model Registration] A damper for opening and closing the duct is provided in the duct, and an elastic member is provided for biasing the damper in the closing direction, and when engaged with the damper, the damper is in the open state. fire prevention damper/S:'1~, which is characterized by being provided with a hook made of a shape memory alloy that retains the damper and releases its connection with the damper in a specific temperature range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861384U JPS6131463U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11861384U JPS6131463U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6131463U true JPS6131463U (en) | 1986-02-25 |
Family
ID=30677498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11861384U Pending JPS6131463U (en) | 1984-07-30 | 1984-07-30 | fire damper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6131463U (en) |
-
1984
- 1984-07-30 JP JP11861384U patent/JPS6131463U/en active Pending
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