Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Roll type
Patent
1975-05-23
1977-04-12
Kannan, Philip C.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Roll type
49457, 160194, 160201, E06B 914
Patent
active
040169200
ABSTRACT:
A sectional door assembly, of the variety having a plurality of interconnected sections which are movable between a closed position and an open position. A flexible guide track is included on both sides of the door for guiding and supporting the plurality of sections between their respective open and closed positions. The flexible nature of the guide track, as well as the incorporation of a relatively quick release mechanism for retaining the guide track on the door's frame, allows for both minimization of damage to the door sections themselves and the time required to repair the door sections if they are accidentally damaged.
REFERENCES:
patent: 1732850 (1929-10-01), Levan
patent: 2091299 (1937-08-01), Bagley et al.
patent: 3118702 (1964-01-01), Kale et al.
patent: 3430677 (1969-03-01), Pierce
patent: 3837041 (1974-09-01), Modert et al.
Danchuk William A.
Kannan Philip C.
United States Steel Corporation
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