CA924955A - Closure operator - Google Patents

Closure operator

Info

Publication number
CA924955A
CA924955A CA100955A CA100955A CA924955A CA 924955 A CA924955 A CA 924955A CA 100955 A CA100955 A CA 100955A CA 100955 A CA100955 A CA 100955A CA 924955 A CA924955 A CA 924955A
Authority
CA
Canada
Prior art keywords
closure operator
closure
operator
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
CA100955A
Other versions
CA100955S (en
Inventor
H. Ellis David
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.)
Rixson Firemark Inc
Original Assignee
David H Ellis
Rixson Firemark Inc
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 David H Ellis, Rixson Firemark Inc filed Critical David H Ellis
Priority to CA162,234A priority Critical patent/CA944212A/en
Application granted granted Critical
Publication of CA924955A publication Critical patent/CA924955A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/12—Hinged dampers
    • A62C2/14—Hinged dampers with two or more blades
    • A62C2/16—Hinged dampers with two or more blades multi-vane roll or fold-up type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/35—Responding to malfunctions or emergencies to fire, excessive heat or smoke by closing air passages
CA100955A 1969-12-22 1970-12-17 Closure operator Expired CA924955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA162,234A CA944212A (en) 1969-12-22 1973-01-29 Closure operator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88691669A 1969-12-22 1969-12-22

Publications (1)

Publication Number Publication Date
CA924955A true CA924955A (en) 1973-04-24

Family

ID=25390073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100955A Expired CA924955A (en) 1969-12-22 1970-12-17 Closure operator

Country Status (2)

Country Link
US (1) US3646877A (en)
CA (1) CA924955A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752208A (en) * 1971-04-12 1973-08-14 Rixson Firemark Closure operator
US3796249A (en) * 1971-09-07 1974-03-12 Cabe F Mc Resettable fire damper
US3796248A (en) * 1971-09-07 1974-03-12 Cabe F Mc Remotely resettable fire damper
US3951336A (en) * 1974-08-28 1976-04-20 Miller And Sons Structures, Inc. Ventilation system for livestock housing
ZA754627B (en) * 1975-07-18 1977-03-30 E Pantland Fire dampers
DE7600480U1 (en) * 1976-01-09 1976-05-06 Deutsche Metalltueren-Werke Aug. Schwarze Ag, 4800 Bielefeld FIRE PROTECTION SLIDING GATE WITH AN ELECTRIC OPERATION AND A LOCKING WEIGHT
US4334570A (en) * 1980-09-22 1982-06-15 Reed National Corp. Fire and smoke damper
US4503900A (en) * 1982-08-16 1985-03-12 Rca Corporation Venetian blind construction
US4557310A (en) * 1983-04-15 1985-12-10 Castellaw Gerald J Movable sun shade system
US4852627A (en) * 1987-04-13 1989-08-01 Daylighting, Inc. Closed loop control system for shade assembly
US5701940A (en) * 1994-03-10 1997-12-30 Cooper Industries, Inc. Cellular shade
EP1023922A1 (en) * 1999-01-27 2000-08-02 Joventa AG Actuator for a damper used in a fire protection system
US6739969B2 (en) * 2002-07-02 2004-05-25 Yundai Mobis, Co., Ltd. Air vent provided with a cover
CN100435889C (en) * 2003-08-12 2008-11-26 纪春传 Inorganic fire-resisting rolling shutter which can be large span lifted
KR100667879B1 (en) * 2005-05-06 2007-01-12 주식회사 대상테크롤 Winding rate control device of gyration roll for reticulation
US20090095105A1 (en) * 2007-10-12 2009-04-16 Hollender John E Gear and coupling system
DE102008059747B4 (en) * 2008-12-01 2012-01-12 Engels Ingenieure Gmbh Fire protection device for high-rise buildings
GB201318172D0 (en) * 2013-10-14 2013-11-27 Coopers Fire Ltd Fire or Smoke Barrier
DE202015102976U1 (en) 2015-06-09 2015-10-19 Robert Wichelmann Fire protection device for high-rise buildings
US11904193B2 (en) 2020-06-29 2024-02-20 Amanda E. Shade Attic vent fire protection system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1894833A (en) * 1932-05-16 1933-01-17 Western Venetian Blind Co Lifting and locking device for venetian blinds
US2320852A (en) * 1942-01-19 1943-06-01 Falco Joseph De Modernistic shade and means for adjusting same
US2509033A (en) * 1946-07-24 1950-05-23 Claude D Carver Structure of window shades
US3294151A (en) * 1964-10-05 1966-12-27 Andrew G Hartley Automatic electric awning

Also Published As

Publication number Publication date
US3646877A (en) 1972-03-07

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