FIELD: hinges or other suspension devices for doors, windows or wings.
SUBSTANCE: wall and door member is installed so that lower roller runners thereof may move along floor-mounted rails having longitudinal driving groove. Each roller runner is installed on corresponding roller runner support to which safety member is attached. Safety member has safety hooks inserted in the rail and consists of profiled member adapted to rotate about axis of roller runner rotation. The safety member operation is independent of wall and door member displacement in upward direction relative roller runner. Each roller runner is rotary installed on coaxial fixed bush. Safety member is arranged on the bush.
EFFECT: increased operational reliability of the member.
7 cl, 6 dwg
