| 摘要 |
<p>The element is intended to avoid locking an apartment or house door when going out of the house momentarily. The element is comprised of a magnetic button (3) intended to be mounted on the lock wall (5, 7) arranged on the door or jamb-lining. When the door is normally closed, the magnetic button is retained by a ferromagnetic plate fixed to a wall close to the door (1). </p> |
