GB525538A - Improvements in or relating to protective arrangements for windows and similar openings - Google Patents
Improvements in or relating to protective arrangements for windows and similar openingsInfo
- Publication number
- GB525538A GB525538A GB106240A GB106240A GB525538A GB 525538 A GB525538 A GB 525538A GB 106240 A GB106240 A GB 106240A GB 106240 A GB106240 A GB 106240A GB 525538 A GB525538 A GB 525538A
- Authority
- GB
- United Kingdom
- Prior art keywords
- windows
- relating
- similar openings
- fins
- protective arrangements
- 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
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/08—Louvre doors, windows or grilles
- E06B7/084—Louvre doors, windows or grilles with rotatable lamellae
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Air-Flow Control Members (AREA)
- Transmission Devices (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
525,538. Window shutters. HANCOCK, C. C., and BRADLEY, H. E. BROOKE-. Jan. 17, 1940, No. 1062. [Class 20 (iii)] Operation of a lever 20 moves rack 22 to rotate pinions 18 and hence to open or close a shutter comprising fins 15 carried in a metal framework to protect windows or other openings from blast or for black-out purposes. Flanges 19 on the frame prevent light passing the ends of the fins, which are made from two strips of metal 24, 25 which are riveted, welded or bolted together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB106240A GB525538A (en) | 1940-01-17 | 1940-01-17 | Improvements in or relating to protective arrangements for windows and similar openings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB106240A GB525538A (en) | 1940-01-17 | 1940-01-17 | Improvements in or relating to protective arrangements for windows and similar openings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB525538A true GB525538A (en) | 1940-08-29 |
Family
ID=9715504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB106240A Expired GB525538A (en) | 1940-01-17 | 1940-01-17 | Improvements in or relating to protective arrangements for windows and similar openings |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB525538A (en) |
-
1940
- 1940-01-17 GB GB106240A patent/GB525538A/en not_active Expired
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