Automatic mechanism for elevator doors. (Machine-translation by Google Translate, not legally binding)

摘要

Mechanism for the automatic control of elevator doors; of the type in which one or two or four movable supports, sliding on a suitable rail or, respectively, on two rails of the cabin, move the doors of the same cabin and drag in their movement the floor doors, through the supports which support said floor doors, through the supports that support said floor doors and are slidable above the opening of the doors themselves, being obtained the movement of the suspensions by opposite movement of the two sections of one or two chains continuous, driven by a gearmotor supported by the cab itself, characterized by the fact that the electric motor of the gearmotor that moves the supports of the car doors is also used to keep closed the doors themselves with elimination of electromagnetic locks, performing the transmission of the movement between the cabin doors and the doors of retractable foot roller skates that during the movement of the to the cabin are retracted, so as to avoid bumping or friction with the cooperating elements, provided on the floors, while they expand and act with said floor organs, when the cabin stops on the floor so that they drag during the opening movements, also the floor doors. (Machine-translation by Google Translate, not legally binding)