Releasable security system for building openings

Details Releasable security system for building openings Releasable security system for building openings

1994-04-11

1995-04-11

Kannan, Philip C.

Movable or removable closures

With specified means to effect emergency release to closure

49 56, E05B 6510, E06B 368

Patent

active

054046742

ABSTRACT:
A security system for protecting building openings with an iron work assembly for protecting the opening against unauthorized entries. The iron work assembly includes first and second portions that are rigidly mounted to each other along an abutting edge and the other portion is releasably mounted to the building. The portion that is releasable mounted to the building is of sufficient dimensions to permit a person through. A threaded positional rod has two sections joined to each other and they can be selectively maintained either coaxially with respect to each other or at another predetermined angle. A third headed section is coaxially and telescopically threaded to one of the two sections. A user keeps the sections at an angle when it wants to keep the security system locked and coaxially aligns them when the user wants to release it.

REFERENCES:
patent: 3921334 (1975-11-01), Black, Sr.
patent: 3953939 (1976-05-01), Klein
patent: 4055360 (1977-10-01), Russi
patent: 4207706 (1980-06-01), Haines
patent: 4631862 (1986-12-01), Gallardo

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