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
Application number
DENDAT263408D
Other languages
German (de)
English (en)
Publication of DE263408C publication Critical patent/DE263408C/de
Active legal-status Critical Current

Links

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)
DENDAT263408D Active DE263408C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE263408C true DE263408C (enrdf_load_stackoverflow)

Family

ID=520809

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT263408D Active DE263408C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE263408C (enrdf_load_stackoverflow)

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