Ceiling fan with integral blade and neck

Details Ceiling fan with integral blade and neck Ceiling fan with integral blade and neck

1996-07-11

1997-09-23

Verdier, Christopher

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Distally supported on radial arm

416 5, 416237, F04D 2934, F04D 2938

Patent

active

056697600

ABSTRACT:
A combination of a blade and a support of a ceiling fan includes a blade portion and a support portion, the blade portion being an elongate plate which has one end to be a free end, the support portion including a base and a neck which extends from the base and integrally connects to the other end of the blade portion, the blade portion having a curved surface defined in an under surface thereof along a longitudinal axis of the blade portion, the blade portion having two upper longitudinal edges and two lower longitudinal edges, each of the two upper longitudinal edges and the lower longitudinal edges being shaped to have an inclined surface so as to reduce resistance of air.

REFERENCES:
patent: 4028007 (1977-06-01), Cavagnero et al.
patent: 4135857 (1979-01-01), Pannone et al.
patent: 4592702 (1986-06-01), Bogage
patent: 4850799 (1989-07-01), Bucher, Sr. et al.
patent: 5554006 (1996-09-01), Liao

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