E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 65/00 (2006.01) E05B 55/14 (2006.01) E05C 9/06 (2006.01)
Patent
CA 2245426
A door lock system (20) comprising a door frame (22) mounted in an entry (24) of a building (26). An entrance door (28) is hinged at (30) along one side edge to the door frame (22). The entrance door (28) has a standard door lock unit (32) to engage with the door frame (22). A structure (34) is built into the entrance door (28), for engaging with the door frame (22) at a number of other locations thereabout, so that the entrance door (28) will be strengthened against a forced entry. An assemblage (36) is built into the entrance door (28), for retaining the engaging structure (34) to the door frame (22) in a releasing manner. When a person wants to open the entrance door (28) with the stand and a door lock unit (32), the retaining assemblage (36) must first be deactivated to allow the engaging structure (34) to disengage from the door frame (22).
Mcfadden Fincham
Saunders John A.
LandOfFree
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