JP2515574Y2 - 煙逆流防止用ダンパ - Google Patents

煙逆流防止用ダンパ

Info

Publication number
JP2515574Y2
JP2515574Y2 JP1988152125U JP15212588U JP2515574Y2 JP 2515574 Y2 JP2515574 Y2 JP 2515574Y2 JP 1988152125 U JP1988152125 U JP 1988152125U JP 15212588 U JP15212588 U JP 15212588U JP 2515574 Y2 JP2515574 Y2 JP 2515574Y2
Authority
JP
Japan
Prior art keywords
shutter
gear
motor
smoke
urging force
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 - Fee Related
Application number
JP1988152125U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0272782U (enrdf_load_stackoverflow
Inventor
富男 北澤
寛 宮沢
清彦 桜井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
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 by Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Priority to JP1988152125U priority Critical patent/JP2515574Y2/ja
Publication of JPH0272782U publication Critical patent/JPH0272782U/ja
Application granted granted Critical
Publication of JP2515574Y2 publication Critical patent/JP2515574Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
JP1988152125U 1988-11-22 1988-11-22 煙逆流防止用ダンパ Expired - Fee Related JP2515574Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988152125U JP2515574Y2 (ja) 1988-11-22 1988-11-22 煙逆流防止用ダンパ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988152125U JP2515574Y2 (ja) 1988-11-22 1988-11-22 煙逆流防止用ダンパ

Publications (2)

Publication Number Publication Date
JPH0272782U JPH0272782U (enrdf_load_stackoverflow) 1990-06-04
JP2515574Y2 true JP2515574Y2 (ja) 1996-10-30

Family

ID=31426779

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988152125U Expired - Fee Related JP2515574Y2 (ja) 1988-11-22 1988-11-22 煙逆流防止用ダンパ

Country Status (1)

Country Link
JP (1) JP2515574Y2 (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5056038A (enrdf_load_stackoverflow) * 1973-09-18 1975-05-16
JPS5412751A (en) * 1978-03-27 1979-01-30 Canon Inc Drum photosensitive screen and stretching method terefor
GB2077993A (en) * 1980-06-06 1981-12-23 Standard Microsyst Smc Low sheet resistivity composite conductor gate MOS device
JPS5834956U (ja) * 1981-08-28 1983-03-07 株式会社リコー 真空蒸着における排気装置
JPS62146878U (enrdf_load_stackoverflow) * 1986-03-12 1987-09-17

Also Published As

Publication number Publication date
JPH0272782U (enrdf_load_stackoverflow) 1990-06-04

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