Interior-mounted security bars

Details Interior-mounted security bars Interior-mounted security bars

1993-06-22

1994-08-23

Kannan, Philip C.

Movable or removable closures

With protective grille or safety guard

Adjustable to various size opening

49 57, E06B 368

Patent

active

053395670

ABSTRACT:
An assembly that includes security bars is mounted in the interior of a structure in registration with a window so that entrance into the structure is denied even when the window is open. Frame members are permanently secured to the structure adjacent the window to be protected, on opposite sides of the window. Complementally formed end piece members are slideably received within their associated frame members and are free to slide upwardly and downwardly with respect to the frame members. A first set of bars extends horizontally from the first end piece towards the second end piece and a second set of bars extends horizontally from the second end piece towards the first end piece. The respective free ends of the first and second sets of bars telescopically engage one another so that the assembly may be fitted to windows of differing widths. The contour of the end piece members matches the contour of their associated frame members so that the end pieces cannot be displaced horizontally and therefore cannot escape the frame members when a horizontally-directed force is applied to them.

REFERENCES:
patent: 785690 (1905-03-01), Wolfe
patent: 2589878 (1952-03-01), Shapiro
patent: 4243090 (1981-01-01), Kemp
patent: 4671012 (1987-06-01), Merklinger et al.
patent: 4899490 (1990-02-01), Jokel
patent: 5018302 (1991-05-01), Kluge
patent: 5070647 (1991-12-01), Spialter

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