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US 2003/0190233 A1Published application
Blade for ceiling fans
OwnerYin-Yin Chianginventor
Life of this patent
Estimating the term…
Abstract
A blade for ceiling fan consists of a frame and a blade body. The frame is made by plastic injection forming process or metal die casting, and includes two half sections to form a male element and a female element. The frame has a blade body holding means and an anchoring means to hold and anchor the blade body securely on the frame. The frame has a greater thickness than the blade body.
Claims19
A blade for ceiling fans, comprising:
- a frame including two half sections, one half section forming a male element and another half section forming a female element for coupling together to form the frame, the frame being hollow and formed substantially in an annular shape with one end having a larger solid section serving as an anchoring end to fasten to a ceiling fan bracket;
- a blade body having a shape substantially matching the frame but having a smaller size than the frame;
- a blade body holding means selectively located on the male element or the female element for holding the blade body before assembling of the male element and the female element and facilitating the assembling thereafter;
- and
- an anchoring means located respectively on the male element and the female element for fastening the blade body to a middle portion of the frame during the assembling.
2 more elements
Dependencies are inferred from the claim text.