MECCANISMO DI APERTURA E CHIUSURA DI UNA PORTA OSCILLANTE, PARTICOLAR MENTE PER AUTORIMESSA

摘要

An opening-closing mechanism for a hinged panel or sectional overhead garage door which is located laterally along the top door panel and has an integrally associated electric motor and speed reduction drive component located mediate of and for a direct reaction with opposed vertical and horizontal gear and roller guide tracks having a specific curvature in the area of transition movement of door panels from vertical to horizontal.