STELLANTRIEB FÜR DIE BETÄTIGUNG VON FENSTER, TÜREN OD. DGL.

摘要

There is provided an operating mechanism 1 for windows, doors or the like, for example for moving their opening wings, which is coupled or can be coupled via a rotatable drive spindle (14) to an operating member engaging at least on the wing. It is characterised by the use of a high-speed low-voltage electric motor 2 which is connected to the drive spindle (14) via a multi-step reduction gear 9.