Quick release window guard

Movable or removable closures – With protective grille or safety guard – Moves relative to primary closure

Patent

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Details

49 67, 49141, 292 42, 292162, F06B 368

Patent

active

040192814

ABSTRACT:
An external steel grating has seven vertical bars welded at their ends to upper and lower horizontal hollow cross bars, end portions of which cross bars are bent rearwardly and secured to a building so that the grating overlies a window opening and protects it against illegal entry.
One end of the grating has a loosely hinged connection with the building and the cross bars are jointed near the opposite end of the grating and locked in assembled relation by a hidden bolt in one of the cross bars. A cable from said bolt extends through the last mentioned cross bar to the interior of said building, which cable, when pulled, withdraws the bolt from its locking position and frees the joints for separation by gravity allowing the major hinged portion of the grating to swing freely outwardly and affording a ready escape from the building through said window.

REFERENCES:
patent: 786668 (1905-04-01), Nussbeck
patent: 810923 (1906-01-01), Dobelman
patent: 2389315 (1945-11-01), Kerr
patent: 2668729 (1954-02-01), Watters
patent: 2917770 (1959-12-01), Etnyre
patent: 3455313 (1969-07-01), King
patent: 3921334 (1975-11-01), Black, Sr.

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