Patent 11933094 was granted and assigned to Cornellcookson on March, 2024 by the United States Patent and Trademark Office.
A vertical panel door stacking system for a door having panels with end caps coupled thereto. The end caps include a body portion, a cam lever to rotate around an axis to generate a lift force to lift and separate an adjacent pair of panels of the panels of the door, a first track wheel, a second track wheel, and a third track wheel. The track wheels interact with a track system to guide movement of the door panels between a closed position and an open position.