Security lock and seal for double door or window installations

Details Security lock and seal for double door or window installations Security lock and seal for double door or window installations

E - Fixed Constructions

05

C

292/36

E05C 3/12 (2006.01) E05C 7/02 (2006.01) E05C 5/04 (2006.01)

Patent

CA 1270017

SECURITY LOCK AND SEAL FOR DOUBLE DOOR OR WINDOW INSTALLATIONS ABSTRACT OF THE DISCLOSURE Conventionally, individual doors of a double door installation, are secured separately within the frame either with conventional lock sets or dead bolts or the like and often the outer or storm door adds little to the security of the installation against break in . The present device provides means to secure the two doors together from the inside, either separate from or inte- gral with a lock assembly for the outer door. An inter- nally or externally screw threaded element is provided on the inner surface of the outer door selectively engage- able by a rotatable screw threaded element on the inner door which may be screw threadably engaged with the outer door element when both doors are closed. A spring normally maintains the screw threaded element of the inner door, out of contact or engagement with the element on the outer door until it is desired to engage one with the other from the inside of the dwelling or any enclo- sure passageway.

521265

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