Device for assisting in opening of swing door, has swiveling arm including roller, where opening of door is facilitated by arm that pushes door, and is retracted when door is opened while closing of door is carried out by usual door closer

摘要

The device has a swiveling arm (3) comprising a roller at end and driven by a shaft. The arm is pulled by the shaft driven by a gear motor, which is programmed to include an operation cycle, or a phase that determines drive of the arm to open a door (1) and another phase that drives the arm in opposite direction to bring back the arm to its original position. Opening of the door is facilitated by the arm that pushes the door, and is retracted when the door is opened while closing of the door is carried out by a usual door closer.