Abstract:
A hanger assembly for supporting the wings of a revolving door on a center shaft wherein each wing is connected to the center shaft by a respective pair of rings, each wing being pivotally connected to its respective pair of rings, and the rings being rotatably mounted on the center shaft, and detent assemblies connected between the rings and the door wings, and between the center shaft and the rings for holding the wings in the normal operative position but allowing the wings to be pivoted to the inoperative, collapsed position.
Abstract:
The power drive and speed control means for a revolving door along with related electrical control circuitry and mechanical components are all contained compactly in the center shaft or column of the door structure. Costly and time-consuming servicing of parts mounted in the ceiling or floor is eliminated.