DE127854C - - Google Patents

Info

Publication number
DE127854C
DE127854C DENDAT127854D DE127854DA DE127854C DE 127854 C DE127854 C DE 127854C DE NDAT127854 D DENDAT127854 D DE NDAT127854D DE 127854D A DE127854D A DE 127854DA DE 127854 C DE127854 C DE 127854C
Authority
DE
Germany
Prior art keywords
screw
hoists
revolutions
rope
threads
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
DENDAT127854D
Other languages
German (de)
Publication of DE127854C publication Critical patent/DE127854C/de
Active legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
    • E05F11/34—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with screw mechanisms

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Description

Berlin, oedrückt in der REichsDftüCKEREi.Berlin, impressed in the REICHsDftüCKEREi.

Claims (1)

Patent-Anspruch :
Vorrichtung zum Oeffnen und Schliefsen von Oberlichtfenstern durch eine mittels Seil- oder Kettenrad bewegte Schraubenspindel, dadurch gekennzeichnet, dafs die an sich bei Hebezeugen bekannten, teleskopartig in einander geführten Schraubenspindeln mit Gegengewinde versehen sind, zum Zwecke, mit der halben Umdrehungszahl die gleiche Bewegung zu erzielen. Patent claim:
Device for opening and closing skylight windows by means of a screw spindle moved by means of a rope or chain wheel, characterized in that the screw spindles, which are known in hoists and are telescopically guided in one another, are provided with counter-threads for the purpose of achieving the same movement with half the number of revolutions . Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.
DENDAT127854D Active DE127854C (en)

Publications (1)

Publication Number Publication Date
DE127854C true DE127854C (en)

Family

ID=396421

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT127854D Active DE127854C (en)

Country Status (1)

Country Link
DE (1) DE127854C (en)

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