JPH0431081Y2 - - Google Patents
Info
- Publication number
- JPH0431081Y2 JPH0431081Y2 JP12874485U JP12874485U JPH0431081Y2 JP H0431081 Y2 JPH0431081 Y2 JP H0431081Y2 JP 12874485 U JP12874485 U JP 12874485U JP 12874485 U JP12874485 U JP 12874485U JP H0431081 Y2 JPH0431081 Y2 JP H0431081Y2
- Authority
- JP
- Japan
- Prior art keywords
- pulley
- drive motor
- blade
- string
- smoke exhaust
- 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.)
- Expired
Links
- 239000000779 smoke Substances 0.000 claims description 51
- 239000006096 absorbing agent Substances 0.000 description 9
- 230000035939 shock Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12874485U JPH0431081Y2 (zh) | 1985-08-23 | 1985-08-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12874485U JPH0431081Y2 (zh) | 1985-08-23 | 1985-08-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6236747U JPS6236747U (zh) | 1987-03-04 |
| JPH0431081Y2 true JPH0431081Y2 (zh) | 1992-07-27 |
Family
ID=31024684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12874485U Expired JPH0431081Y2 (zh) | 1985-08-23 | 1985-08-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431081Y2 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5574372B2 (ja) * | 2010-06-15 | 2014-08-20 | 株式会社豊和 | 自然換気装置 |
-
1985
- 1985-08-23 JP JP12874485U patent/JPH0431081Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6236747U (zh) | 1987-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3934306A (en) | Door closure device | |
| US4972629A (en) | Remote controlled opening device | |
| US6725976B2 (en) | Manual override and locking mechanism and actuator including same | |
| JPH0431081Y2 (zh) | ||
| GB2084013A (en) | Fire and smoke damper | |
| KR101082957B1 (ko) | 미닫이문의 닫힘 지연 장치 | |
| JP4516750B2 (ja) | パワーデッキリッドの引下げ用アクチュエータ及び制御装置 | |
| WO2007016846A1 (fr) | Fenetre a battants s'ouvrant automatiquement | |
| JP3333836B2 (ja) | 引き戸用自閉装置 | |
| JPS5942576Y2 (ja) | 換気扇 | |
| JP2883311B2 (ja) | 自動閉鎖扉の制動方法および自動閉鎖扉 | |
| CN211475037U (zh) | 防火风阀电动执行器 | |
| JPH0524783Y2 (zh) | ||
| JPS5819008B2 (ja) | モ−タダンパの羽根板開閉装置 | |
| JPS6034995Y2 (ja) | 換気扇 | |
| JPS5816035Y2 (ja) | 扉駆動装置 | |
| JPH0245440Y2 (zh) | ||
| CN111156345A (zh) | 防火风阀电动执行器 | |
| CN2471353Y (zh) | 防火门自动闭门释放器 | |
| JPS63251587A (ja) | 窓の開閉装置 | |
| JP2004316094A (ja) | 扉の安全開閉構造 | |
| JPH053103Y2 (zh) | ||
| JPS5931637B2 (ja) | 排煙用施錠装置及び該排煙用施錠装置を取付けた排煙装置 | |
| JPS5835960Y2 (ja) | 換気扇等のシャッタ−錠止装置 | |
| JPH0519484U (ja) | 自動ドア開閉器 |