Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1985-06-27
1986-09-02
Britts, Ramon S.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160213, 160193, E05D 1526
Patent
active
046090274
ABSTRACT:
An overhead door including an upper door panel which is hingedly mounted to a horizontal header of a doorway and to a lower door panel. The door is moveable between a first, closed position wherein the door panels are vertically aligned and cooperate to close the doorway and a second, open position wherein the door panels are in a folded, generally horizontal, and parallel relation. Brace members are provided pivotally mounted to the upper door panel and adapted to engage the vertical door jambs when the door is in its second, open position to provide an angular support therebetween. The brace members are held by cables extending from the lower door panel allowing rollers located at the bottom edge of the lower door panel to engage and roll upon the vertical door jambs when the door is moved between its open position and adjacent to its closed position. In its most preferred form, the door is moveable by a winch mounted to the lower door panel, with the winch having a cable extending to a location vertically above the doorway for vertically raising and lowering the bottom edge of the lower door panel.
REFERENCES:
patent: 1843480 (1932-02-01), Dautrick
patent: 2238181 (1941-04-01), Morgan
patent: 2393052 (1946-01-01), Mehard
patent: 2573181 (1951-10-01), Burr
patent: 3155147 (1964-11-01), Smith
patent: 3504729 (1970-04-01), Alton
patent: 4088172 (1978-05-01), Pollock
patent: 4177854 (1979-12-01), De Vore
patent: 4545418 (1985-10-01), List et al.
Britts Ramon S.
Purol David M.
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