Ceiling fan blade vibration isolation system

Details Ceiling fan blade vibration isolation system Ceiling fan blade vibration isolation system

1993-04-14

1994-04-19

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416 5, 416210R, 416214R, 416500, F04D 2966

Patent

active

053040376

ABSTRACT:
A medallion-style blade iron assembly for use on a ceiling fan includes a vibration isolation system for eliminating transmission of vibration from the fan motor to the blades. The assembly includes an arm securable to the fan motor and medallion securable to the arm, with the distal end of a blade being secured therebetween. A plurality of mounting holes are provided in the blade for allowing screws to be inserted through the arm into the medallion, with each hole have a resilient elastomeric grommet disposed therein. Each grommet has a pair of annular shoulders resting on the top and bottom surfaces of the blade, and a central tapered opening for receiving the frusto-conical bosses formed on the arm and medallion. The grommets prevent contact between the blade, the arm, and the medallion.

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patent: 4396352 (1983-08-01), Pearce
patent: 4511310 (1985-04-01), Pearce

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