Resilient fan hub

Claim 1

In combination, a hub assembly, a drive shaft, a driven element such as a fan spider having a center disc with a central aperture therein, said hub comprising a body having a central bore therethrough and an integral flange extending radially from the body intermediate its ends, an embossment formed on said body adjacent one face of said flange adapted to accommodate a set screw engaging said driving shaft when received in said central bore, a resilient grommet having a tubular portion through and beyond which said hub body extends and a radially extending portion contiguous with said body flange on one face, said tubular portion extending through said center disc aperture with a face of said disc contiguous with the outer face of said radially extending portion of the grommet, an annular resilient washer received on said tubular portion of the grommet and contiguous with the other face of said disc, and a single annular slide-on fastener received on the portion of the hub body which extends beyond said grommet, said fastener having a plurality of gripping radial legs extending away from said center disc and engaging said hub body, said fastener forming the sole means for compressing said resilient washer and grommet against said fan center disc and said integral body