Closing element for wall openings in buildings comprises door frame elements each forming a perpendicular frame unit with the rails provided on the corresponding side of the door leaf and the peripheral traction mechanism

摘要

Closing element comprises door frame elements (5) each forming a perpendicular frame unit with the rails (3) provided on the corresponding side of the door leaf (1) and the peripheral traction mechanism. The frame unit can be connected to the wall in the wall opening region as a unit. Further perpendicular frame units are joined to a shaft (8) coupling the traction mechanism on the head side. A drive motor is assigned to the traction mechanism. Preferred Features: The traction mechanism formed as a roller chain is arranged in a closed housing (4) formed from beveled metal sheets with profiled door frame elements.