JPS61200534U - - Google Patents
Info
- Publication number
- JPS61200534U JPS61200534U JP8356885U JP8356885U JPS61200534U JP S61200534 U JPS61200534 U JP S61200534U JP 8356885 U JP8356885 U JP 8356885U JP 8356885 U JP8356885 U JP 8356885U JP S61200534 U JPS61200534 U JP S61200534U
- Authority
- JP
- Japan
- Prior art keywords
- damper
- ventilation fan
- support plate
- air passage
- utility
- 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
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000005489 elastic deformation Effects 0.000 claims 1
- 239000013013 elastic material Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Air-Flow Control Members (AREA)
Description
第１図はこの考案の一実施例を示す開放状態の
断面図、第２図はその閉止状態の断面図、第３図
は従来の防火ダンパーを示す開放状態の断面図、
第４図はその閉止状態の断面図である。
各図中、同一符号は同一または相当部分を示し
、１はウエザーカバー、２は通風路、３はダンパ
ー、６は支え板、８は温度ヒユーズ、９は金網で
ある。
FIG. 1 is a sectional view of an embodiment of this invention in an open state, FIG. 2 is a sectional view of the closed state, and FIG. 3 is a sectional view of a conventional fire damper in an open state.
FIG. 4 is a sectional view of the closed state. In each figure, the same reference numerals indicate the same or corresponding parts; 1 is a weather cover, 2 is a ventilation passage, 3 is a damper, 6 is a support plate, 8 is a temperature fuse, and 9 is a wire mesh.
Claims (1)
と、このウエザーカバー内に前記通風路を開閉で
きるように下部を軸支されたダンパーと、このダ
ンパーの開放状態において弾性変形によりダンパ
ーを温度ヒユーズに係止し、かつ閉止状態におい
てダンパーに重合する不燃性弾性体からなる支え
板とを備えたことを特徴とする換気扇用防火ダン
パー。 (2) 支え板が板ばねであることを特徴とする実
用新案登録請求の範囲第(1)項記載の換気扇用防
火ダンパー。[Claims for Utility Model Registration] (1) A weather cover that forms an air passage for a ventilation fan, a damper whose lower part is pivoted within the weather cover so that the air passage can be opened and closed, and when the damper is in an open state. A fireproof damper for a ventilation fan, comprising a support plate made of a nonflammable elastic material that locks the damper to a temperature fuse through elastic deformation and overlaps the damper in a closed state. (2) The fire prevention damper for a ventilation fan according to claim (1) of the utility model registration, characterized in that the support plate is a leaf spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8356885U JPS61200534U (en) | 1985-06-03 | 1985-06-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8356885U JPS61200534U (en) | 1985-06-03 | 1985-06-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61200534U true JPS61200534U (en) | 1986-12-16 |
Family
ID=30632315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8356885U Pending JPS61200534U (en) | 1985-06-03 | 1985-06-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61200534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0383047A (en) * | 1989-08-25 | 1991-04-09 | Konica Corp | Radiograph information recording and reading device |
-
1985
- 1985-06-03 JP JP8356885U patent/JPS61200534U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0383047A (en) * | 1989-08-25 | 1991-04-09 | Konica Corp | Radiograph information recording and reading device |
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