Adjustable security window gate

Details Adjustable security window gate Adjustable security window gate

1985-04-12

1986-11-25

Lyddane, William E.

Movable or removable closures

With protective grille or safety guard

Adjustable to various size opening

49 50, E06B 368

Patent

active

046240721

ABSTRACT:
A security window gate including a generally rectangular frame, and a swingable selectively locked gate associated therewith. Adjustment means is provided to permit a given sized gate to be installed within a range of rectangular window sizes without loss of tamper-proof ability. In a vertical direction, steel bars are provided with telescopic elements supported between a pair of adjacent parallel frame members. In a horizontal direction, an adjustable plate-like member of generally L-shaped cross section is provided with elongated slots for bolting to the frame element, the plate being cut to required length, if necessary, at the time of installation.

REFERENCES:
patent: 704992 (1902-07-01), Warner
patent: 958481 (1910-05-01), Drinkwater
patent: 1186139 (1916-06-01), Shipley
patent: 2175903 (1939-10-01), Lichtman
patent: 2701927 (1955-02-01), Dyer
patent: 2819500 (1958-01-01), Saber
patent: 2982579 (1961-05-01), Greenwald
patent: 3738062 (1973-06-01), Ughi
patent: 3978614 (1976-09-01), Goldhaber
patent: 4465262 (1984-08-01), Itri

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