CA930235A - Closure operator - Google Patents
Closure operatorInfo
- Publication number
- CA930235A CA930235A CA098627A CA98627A CA930235A CA 930235 A CA930235 A CA 930235A CA 098627 A CA098627 A CA 098627A CA 98627 A CA98627 A CA 98627A CA 930235 A CA930235 A CA 930235A
- 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
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
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA166,108A CA939960A (en) | 1969-12-08 | 1973-03-14 | Closure operator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88282769A | 1969-12-08 | 1969-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA930235A true CA930235A (en) | 1973-07-17 |
Family
ID=25381415
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA098627A Expired CA930235A (en) | 1969-12-08 | 1970-11-19 | Closure operator |
Country Status (2)
Country | Link |
---|---|
US (1) | US3665996A (en) |
CA (1) | CA930235A (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3752208A (en) * | 1971-04-12 | 1973-08-14 | Rixson Firemark | Closure operator |
US3796248A (en) * | 1971-09-07 | 1974-03-12 | Cabe F Mc | Remotely resettable fire damper |
US3796249A (en) * | 1971-09-07 | 1974-03-12 | Cabe F Mc | Resettable fire damper |
US3866656A (en) * | 1972-09-29 | 1975-02-18 | Francis J Mccabe | Folding blade fire damper |
US3915377A (en) * | 1974-02-11 | 1975-10-28 | Jr James Alton Sutton | Curtain control device for poultry or livestock house |
US4161204A (en) * | 1977-09-14 | 1979-07-17 | Kurz John C | Motorized smoke and fire damper |
US4372342A (en) * | 1980-08-29 | 1983-02-08 | Mccabe Francis J | Balancing damper with quick set adjustment bracket |
JPS6132076Y2 (en) * | 1980-08-29 | 1986-09-18 | ||
US4334570A (en) * | 1980-09-22 | 1982-06-15 | Reed National Corp. | Fire and smoke damper |
US4530389A (en) * | 1983-08-18 | 1985-07-23 | The Scott & Fetzer Company | Retractable awning with improved set-up capability |
US4852627A (en) * | 1987-04-13 | 1989-08-01 | Daylighting, Inc. | Closed loop control system for shade assembly |
US5085368A (en) * | 1990-10-22 | 1992-02-04 | Beckman John B | System for controlling poultry house window closures |
US20140216271A1 (en) * | 2013-02-01 | 2014-08-07 | Euro-Pro Operating Llc | Rotisserie System |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US110787A (en) * | 1871-01-03 | Improvement in window-shades | ||
US2149481A (en) * | 1936-01-27 | 1939-03-07 | Maurice Van Bosch | Automatic shade |
US2468453A (en) * | 1938-04-12 | 1949-04-26 | Mallentjer Victor Bernar Marie | Reversible drive mechanism |
US2758644A (en) * | 1953-07-30 | 1956-08-14 | Virlouvet Jacques | Control system for slatted roller blinds |
US3042001A (en) * | 1959-11-02 | 1962-07-03 | Orville L Dubie | Automatic poultry curtain raiser |
US3136358A (en) * | 1963-07-05 | 1964-06-09 | Mads P Madsen | Motor drawn curtain |
US3465806A (en) * | 1968-04-19 | 1969-09-09 | Decor Specialties Inc | Pleated blind assembly |
-
1969
- 1969-12-08 US US882827A patent/US3665996A/en not_active Expired - Lifetime
-
1970
- 1970-11-19 CA CA098627A patent/CA930235A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3665996A (en) | 1972-05-30 |
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