Device for closing and opening curtains

摘要

A device for closing and opening curtains, which are movable along a rod (1), said rod near its ends being provided with a means for limiting the movement of said curtains. The rod (1) is provided with channels (2) in which an endless toothed belt (3) is received which at the ends of said rod (1) is guided by toothed wheels (7,13) from which one can be driven. Said toothed belt (3) is provided with at least one carrier (4) which can be connected to a curtain and can extend it self downwards through a slot (5) in said rod (1). A connector element (11) is provided which is connected to the rod (1) and extends substantially in line with this and comprises a sideways extending housing (10), in which said drivable toothed wheel (7) is present. The driving of said toothed wheel (7) takes place by means of an electric motor (9), which can be operated by means of a hand switch either by means of a time switch either by means of a light sensor.