Securing device for preventing opening of doors by unauthorized third-person, has locking device movable into locking position by door leaf relative to switching device in such manner that impulse is generated during movement of leaf

摘要

The device (15) has a locking device (20) locking a door leaf (12) of a door in a closing position, where the locking device is movable into a locking position by the door leaf relative to a switching device (18) in such a manner that a switching impulse is generated during a movement of the door leaf. The door leaf is retained in a frame unit (13), and the locking device exhibits a locking unit and a latch retainer, where the locking unit is firmly connected with the door leaf, and the switching device is firmly connected with the frame unit. An independent claim is also included for a method for securing a door.