Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A door lock system 10 for locking a door 22 to a door frame 20, comprises a keep 12 having a switch 14 operable by a door bolt 24 when received in the keep 12, and a frame mountable locking device having at least one secondary locking member 18. In use, the secondary locking member 18 is operable by the said switch 14 to extend from a door frame 20 to engage an associated door 22. The frame mounted lock may be electrically or mechanically operated and may be biased to the unlocked condition. One side of the keeper may be openable, preferably remotely. There may also be a sensor for determining whether the door is open/closed. There are also methods of locking or unlocking the door using the lock system. The lock system allows one lock to be actuated but multiple bolts to be thrown.
A door lock system 10 for locking a door 22 to a door frame 20, comprises a keep 12 having a switch 14 operable by a door bolt 24 when received in the keep 12, and a frame mountable locking device having at least one secondary locking member 18. In use, the secondary locking member 18 is operable by the said switch 14 to extend from a door frame 20 to engage an associated door 22. The frame mounted lock may be electrically or mechanically operated and may be biased to the unlocked condition. One side of the keeper may be openable, preferably remotely. There may also be a sensor for determining whether the door is open/closed. There are also methods of locking or unlocking the door using the lock system. The lock system allows one lock to be actuated but multiple bolts to be thrown.
Building-entrance door-lock system
BERNARD COOK (Autor:in)
02.10.2019
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser
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