DE263408C - - Google Patents
Info
- Publication number
- DE263408C DE263408C DENDAT263408D DE263408DA DE263408C DE 263408 C DE263408 C DE 263408C DE NDAT263408 D DENDAT263408 D DE NDAT263408D DE 263408D A DE263408D A DE 263408DA DE 263408 C DE263408 C DE 263408C
- Authority
- DE
- Germany
- Prior art keywords
- pawl
- flap
- cable
- rope
- closed
- 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 claims description 3
- 241000189705 Dunedin group Species 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/02—Roof ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE263408C true DE263408C (cs) |
Family
ID=520809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT263408D Active DE263408C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE263408C (cs) |
-
0
- DE DENDAT263408D patent/DE263408C/de active Active
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