FIELD: construction.
SUBSTANCE: device for automatic closure of sliding doors, relating to a type comprising at least one sliding leaf (2), which is suspended on upper profile (3). Said device (1) comprises drive belt (10) made with possibility of connection with sliding leaf (2); closing pulley (20) comprising spring mechanism (30), which is installed on first rotation axis (4) installed in upper profile (3), and which is engaged with first end (11) of drive belt (10); and brake pulley (40) comprising locking mechanism (50), which is installed on second rotation axis (5) installed in upper profile (3), and which is engaged with second end (12) of drive belt (10) opposite to first end (11), rotation of both pulleys (20, 40) is connected with drive belt (10).
EFFECT: automatic closing of sliding doors.
15 cl, 13 dwg
