Reinforced ceiling fan blade

Details Reinforced ceiling fan blade Reinforced ceiling fan blade

2007-10-02

2007-10-02

Kershteyn, Igor (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

C416S005000, C416S22900R

Reexamination Certificate

active

11264839

ABSTRACT:
A reinforced ceiling fan blade in accordance with the present invention comprises an upper half fan blade and a lower half fan blade. The upper half fan blade includes a plurality of wood sheets. The lower half fan blade includes a plurality of wood sheets, and the upper half fan blade is laminated on the lower half fan blade in such a manner that abutting sides of the upper half fan blade are staggered with respect to abutting sides of the lower half fan blade, so that the strength of the ceiling fan blade can be improved.

REFERENCES:
patent: 1763218 (1930-06-01), Caldwell
patent: 2589316 (1952-03-01), Young
patent: 4022547 (1977-05-01), Stanley
patent: 4627791 (1986-12-01), Marshall
patent: 6890155 (2005-05-01), Cartwright

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