Patent ID: 6286257
Filing Date: 2001-09-11
Classification: E05F,E05Y,E06B

Abstract:
A door assembly comprising:a door body having a bottom edge, the door body being selectively movable up and down to open and close an opening; and,a first sensor body and a second sensor body each having an impact portion responsive to an impact proximate the bottom edge of the door body, the first and second sensor bodies being mechanically coupled one to the other by a hanger, the hanger extending from the bottom edge of the door body, the first sensor body being disposed between a first end of the hanger and the bottom edge of the door body and the second sensor body being attached proximate a distal second end of the hanger, and both the first and second sensor in communication with a controller, thereby causing a predetermined response in the door body when one of the first and second sensor bodies receives an impact of at least a predetermined force.