Shielding for in a lock box of a door arranged lock cylinder with an electro-magnetically actuated locking mechanism

摘要

The shield has a protection unit (9) made up of a ferrous material and enclosing a key cylinder (2) arranged in a lock case of a door. The unit partially enloses the cylinder radially outside in the area of an electromagnetically activatable locking mechanism of the cylinder. The unit is arranged below a rosette, which encloses the free end of the cylinder, and has an internal contour corresponding to the outer contour of the cylinder.