Manuelle Antriebsvorrichtung für einen Vorhang mit epizyklischem Untersetzungsgetriebe

Drive device for manually driving a blind, roller shutter or the like, comprising an epicyclic reduction gearbox consisting of the juxtaposition of two simple planetary gear trains of type I (A1, B1, a1,/A2, B2, a2), the sun wheels (A1, A2) of which are mechanically linked so as to be driven simulta...

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Bibliographische Detailangaben
Hauptverfasser:	LE RU, YANN, LAGARDE, ERIC PAUL
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LADDERS LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Drive device for manually driving a blind, roller shutter or the like, comprising an epicyclic reduction gearbox consisting of the juxtaposition of two simple planetary gear trains of type I (A1, B1, a1,/A2, B2, a2), the sun wheels (A1, A2) of which are mechanically linked so as to be driven simultaneously at the same speed and the annulus gear (B1) of the first planetary gear train of which, on the input side of the reduction gearbox, is fixed and the other annulus gear (B2) of which can rotate. The reduction ratio is less than or equal to 3. This drive device makes it possible to obtain a low reduction ratio with a small diameter.