Hollow blades for ceiling fans
OwnerYung-Chung Huanginventor
Life of this patent
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Abstract
A hollow blade for a ceiling fan is made from a selected material and has a hollow interior structure to result in a reduced weight for decreasing motor loading and saving electric power consumption, and saving material consumption for reducing costs.
Claims16
A hollow blade for a ceiling fan made from a selected material having a hollow interior structure comprising a tangent surface and a supporting surface opposing to the tangent surface and a fastening section for fastening to the ceiling fan.
A hollow blade for a ceiling fan made from a selected material having a fastening section for fastening to the ceiling fan comprising a hollow interior structure with substantially a triangular cross section, the triangular cross section having a long side neighboring to a short side to form supporting surfaces and a diagonal side to form a tangent surface.
A hollow blade for a ceiling fan comprising a tangent blade and a supporting blade which are assembled to form a hollow interior structure.
Dependencies are inferred from the claim text.