Patent ID: 9187953
Filing Date: 2015-11-17
Classification: E06B

Abstract:
1. An overhead roll-up door assembly for a vertically moving door to permit and prohibit access to an opening in a wall, the door assembly comprising: a flexible door panel having at least one face and opposed vertical sides, each vertical side having a vertical margin along an edge of the door panel; at least two side columns, positioned so that at least one side column is located proximate each side of the opening, each side column having an arm configured to engage the vertical margins of the door panel as the door panel moves vertically, each side column having wherein during normal operation, the first point and the portion of the fixed portion define a first gap width, and movement of the arm in a first direction about the pivot point causes the second point to pinch the door panel as the portion of the fixed portion and the second point define a second gap width, wherein the second gap width is less than the first gap width.