Folding door apparatus

Details Folding door apparatus Folding door apparatus

1987-08-27

1989-07-11

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160201, E05D 1526

Patent

active

048462454

ABSTRACT:
Folding door apparatus includes panels which are hinged to rotate into a stacked position over head as a winding drum draws a cable attached to the lowermost panel. Alternate panels have first roller brackets carrying respective first rollers which ride in a vertical first trackway, and second brackets carrying spring loaded second rollers which ride in a second trackway angled at the top to determine folding sequence of the panels. Each first bracket has a cam surface which acts on a stop to pivot it through a respective aperture in the first trackway as the respective panel approaches the horizontal position. The first rollers are thus supported by the pivotable stops when the panels are in the horizontal position.

REFERENCES:
patent: 3757845 (1973-09-01), Pagliaro
patent: 4303117 (1981-12-01), Lindbergh

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