DE218787C - - Google Patents
Info
- Publication number
- DE218787C DE218787C DENDAT218787D DE218787DC DE218787C DE 218787 C DE218787 C DE 218787C DE NDAT218787 D DENDAT218787 D DE NDAT218787D DE 218787D C DE218787D C DE 218787DC DE 218787 C DE218787 C DE 218787C
- Authority
- DE
- Germany
- Prior art keywords
- lever
- locking lever
- roller
- armed
- locking
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 description 1
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
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE218787C true DE218787C (en:Method) |
Family
ID=479979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT218787D Active DE218787C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE218787C (en:Method) |
-
0
- DE DENDAT218787D patent/DE218787C/de active Active
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