Patent ID: 6176044
Filing Date: 2001-01-23
Classification: E05F,E05Y

Abstract:
A method for constructing an automatic operating system for a door pivotally mounted relative to a surface of a floor, comprising the steps of:removing an over-the-door electrical power device from an over-the-door operating system;providing an under-the-door structural assembly adapted to be mounted beneath the floor, the structural assembly including a spindle rotatable about an axis and adapted to support the weight of the door;coupling the over-the-door electrical power device removed from the over-the door operating system to the under-the-door structural assembly to facilitate rotation of the spindle by the removed electrical power device;anchoring the removed electrical power device and at least a portion the structural assembly beneath the surface of the floor; andmounting the door on the spindle to support the door on the under-the-door structural assembly and to automatically operate the door with the removed electrical power device.