Collapsing closure system and operating mechanism

Details Collapsing closure system and operating mechanism Collapsing closure system and operating mechanism

1980-09-08

1983-02-22

Bonck, Rodney H.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

49126, 52 64, 160207, 160232, 160236, E05D 1526, E05F 104, E05F 1106

Patent

active

043745377

ABSTRACT:
Vertical and non-vertical collapsing panel closures for various applications are disclosed. The closure has reduced stacking height when collapsed and possesses a more energy efficient panel section guide roller system operating with a more economical and versatile upper and lower guide roller track arrangement. An insulated closure having an interior flush surface and an exterior rail and stile facade is achieved. A more simplified variable dynamic closure counterweighting system is provided.

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patent: 3980123 (1976-09-01), Vago
patent: 4119133 (1978-10-01), Wolf

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