US 12,442,240 B2
Bifold door
Matthew Garry, Weatherford, TX (US); and Gregory Oliver Valler, Toowoomba (AU)
Assigned to Matthew John Garry, Hillsboro, TX (US)
Filed by Matthew Garry, Weatherford, TX (US); and Gregory Oliver Valler, Toowoomba (AU)
Filed on Jun. 14, 2023, as Appl. No. 18/210,008.
Claims priority of provisional application 63/352,534, filed on Jun. 15, 2022.
Prior Publication US 2023/0407697 A1, Dec. 21, 2023
Int. Cl. E05F 15/665 (2015.01); E05D 15/26 (2006.01); E05F 15/605 (2015.01)
CPC E05F 15/665 (2015.01) [E05D 15/264 (2013.01); E05F 15/605 (2015.01); E05Y 2900/132 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A bifold door, comprising:
an upper panel comprising a top edge disposed proximate an anchor and a lower edge disposed distal of the anchor relative to the top edge;
an upper hinge connecting the anchor to the top edge of the upper panel, wherein the upper hinge is configured to permit rotation of the top edge of the upper panel but prevent elevation of the top edge of the upper panel, relative to a direction of gravity;
a first actuator connected to the anchor and to the upper panel, wherein:
the first actuator is configured to lift the lower edge of the upper panel upwardly relative to the direction of gravity and outwardly relative to the anchor, and
the first actuator is further configured to effect lifting of the upper panel;
a lower panel, separated from the upper panel, the lower panel comprising an upper edge disposed proximate the lower edge of the upper panel, and a bottom edge disposed distal of the lower edge of the upper panel, wherein the top edge of the upper panel is configured, during lifting of the bifold door, to rotate in a first direction and the upper edge of the lower panel is configured to rotate in a second direction opposite the first direction; and
a second actuator connected to the upper panel and to the lower panel, wherein:
the second actuator is configured to lift the upper edge of the lower panel upwardly relative to the direction of gravity and outwardly relative to the anchor,
the second actuator is further configured to effect lifting of the lower panel,
the first actuator and the second actuator are disposed between outer edges of the upper panel and the lower panel.