Electromagnetic Door Opener

摘要

The invention relates to an electromagnetic door opener comprising a housing for installing in a door frame, a pivotable cover which can be rotated between an open position and a closed position, and a security device operating counter to a forced rotation of the cover from the closed position into the open position, which comprises a primary security step and a secondary security step. Said door opener is characterized in that the secondary security step comprises a locking element which is supported in a form fit on the base of the housing of the door opener housing.

主权项

1. An electromagnetic door opener comprising:
a door opener housing for fitting into a door frame; a hinged flap, said hinged flap being rotatable between an open position and a closed position; a safety device positioned to forcibly resist twisting of said flap from said closed position into said open position to create a primary safety stage and a secondary safety stage; and said secondary safety stage having a locking member that is supported in a formlock against a housing floor of the door opener housing.