Patent ID: 8956124
Filing Date: 2015-02-17
Classification: F04D

Abstract:
1. An industrial fan comprising: a mounting assembly that is adapted to mount the fan to a surface of a building; a motor that is mounted to the mounting assembly, wherein the motor defines a shaft; a hub assembly that couples to the shaft of the motor such that rotation of the motor shaft results in rotation of the hub; a plurality of fan blades that mount to the hub assembly; and a securing assembly interposed between the hub and the mounting assembly, wherein the securing assembly comprising a first member that is coupled to the hub and a second member that is coupled to the mounting assembly and wherein the first and second members are dimensioned with respect to each other such that the hub is inhibited from falling when the motor shaft breaks or the hub otherwise disengages from the shaft and wherein the second member is interposed between the first member and the hub.