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
Application number
JP12874485U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236747U (en]
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 JP12874485U priority Critical patent/JPH0431081Y2/ja
Publication of JPS6236747U publication Critical patent/JPS6236747U/ja
Application granted granted Critical
Publication of JPH0431081Y2 publication Critical patent/JPH0431081Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Air-Flow Control Members (AREA)
JP12874485U 1985-08-23 1985-08-23 Expired JPH0431081Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12874485U JPH0431081Y2 (en]) 1985-08-23 1985-08-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12874485U JPH0431081Y2 (en]) 1985-08-23 1985-08-23

Publications (2)

Publication Number Publication Date
JPS6236747U JPS6236747U (en]) 1987-03-04
JPH0431081Y2 true JPH0431081Y2 (en]) 1992-07-27

Family

ID=31024684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12874485U Expired JPH0431081Y2 (en]) 1985-08-23 1985-08-23

Country Status (1)

Country Link
JP (1) JPH0431081Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS6236747U (en]) 1987-03-04

Similar Documents

Publication Publication Date Title
US3934306A (en) Door closure device
US6725976B2 (en) Manual override and locking mechanism and actuator including same
CN111485785B (zh) 一种多功能消防排烟窗
JPH0431081Y2 (en])
US4334570A (en) Fire and smoke damper
CN211475037U (zh) 防火风阀电动执行器
KR101082957B1 (ko) 미닫이문의 닫힘 지연 장치
JP3333836B2 (ja) 引き戸用自閉装置
WO2007016846A1 (fr) Fenetre a battants s'ouvrant automatiquement
JPS5942576Y2 (ja) 換気扇
CN111156345B (zh) 防火风阀电动执行器
JP2883311B2 (ja) 自動閉鎖扉の制動方法および自動閉鎖扉
JPH0524783Y2 (en])
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 (en])
CN211173777U (zh) 一种基于逃生平台的外墙防护门结构
JPS6337423Y2 (en])
KR102089175B1 (ko) 창문용 개폐장치의 수동개폐구조
CN2471353Y (zh) 防火门自动闭门释放器
JPS63251587A (ja) 窓の開閉装置
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