Flexible or portable closure – partition – or panel – Plural and/or with rigid closure – Diverse types
Patent
1976-10-12
1977-11-22
Caun, Peter M.
Flexible or portable closure, partition, or panel
Plural and/or with rigid closure
Diverse types
160102, E06B 901
Patent
active
040591417
ABSTRACT:
A barrier for barring the opening of a sliding window, door, etc., from intrusion from the exterior of a building or vehicle, the barrier being collapsible to permit escape of persons from the inside of the building or vehicle through the open window in the event of fire or other emergency. The barrier also constrains the window or door to move in a straight line parallel motion to prevent binding or sticking of the same in its slide bearings during opening or closing of the window or door.
REFERENCES:
patent: 766262 (1904-08-01), Johnston
patent: 993654 (1911-05-01), Conant
patent: 1209529 (1916-12-01), Wilson
patent: 1559898 (1925-11-01), Lotz
patent: 1908919 (1933-05-01), Reed
Caun Peter M.
Crowe John H.
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