Door security system

Details Door security system Door security system

1990-10-17

1991-12-24

Nicholson, Eric K.

Closure fasteners

Bolt guards

292340, 70418, E05B 1700

Patent

active

050746065

ABSTRACT:
An assembly for improving closed door security comprises a door having a unitary first member comprising a first elongated flat plate portion lying substantially entirely in a first plane and a first elongated flat blade portion lying substantially entirely in a second plane, the planes being parallel with the end face of said door, the unitary member secured on the door with the blade portion spanning the latch bolt and extending parallel along the end face substantially entirely between the latch bolt and the outside door edge,

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patent: 4345787 (1982-08-01), Dabrowski
patent: 4725084 (1988-02-01), Catricola

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