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US 7,402,025 B2Granted
Fan blade assembly
OwnerCliff Wanginventor
Life of this patent
Estimating the term…
Abstract
A fan blade assembly includes a fan blade and a blade iron. The proximal end of the blade iron is configured for securement to a conventional, commercially available fan motor. An openwork defines the perimeter of the fan blade. A decorative cover spans and is secured to the openwork. The distal end of the blade iron includes a fixture for detachably receiving and holding the proximal end of the openwork.
Claims12
In a fan having a hub mounted for rotation, a fan blade assembly comprising:
- a blade iron including a proximal end securable to the hub and a distal end;
- a fan blade having a proximal end and an opposing end;
- a plurality of elongate members form an openwork carried by one of the proximal end of the fan blade and the distal end of the blade iron;
- a fixture carried by the other of the proximal end of the fan blade and the distal end of the blade iron, the fixture comprising a pad having opposed top and bottom faces and a plurality of recesses formed in the top face of the pad corresponding to the elongate members of the openwork;
- the elongate members forming the openwork matingly received in the recesses;
- a plate concurrently overlies the top face of the pad, the recesses and the elongate members forming the openwork received in the recesses;
- and
- the plate secured to the pad securing the elongate members of the openwork in the recesses and, in turn, securing the proximal end of the fan blade to the distal end of the blade iron.
5 more elements
Dependencies are inferred from the claim text.