Abstract: The present invention relates to a ceiling fan blade assembly, including: a mounting bracket has a positioning portion and a mounting portion, and an arm being disposed between the positioning portion and the mounting portion for connecting them together, the positioning portion is fixed to a ceiling fan's base body; plural fixing elements are secured on the mounting portion of the mounting bracket, one of the plural fixing elements located close to a position where the mounting portion and the arm are connected; an elastic plate has protrusive latch hooks which located in symmetric manner, the elastic plate is fixed by the fixing elements and located close to the position where the arm and the mounting portion are connected, and two wing portions of each elastic plate are located at both sides of the arm of the mounting bracket; a ceiling fan blade is provided at an end thereof with plural holes, the holes each have a gap, and the gap of the respective holes being directed in the same direction.

Abstract: A heat-radiating structure for ceiling fan's motor housing, on the upper and the lower surfaces of a motor housing is provided with arched ears, each ear is provided with a ventilation orifice for sucking outside in and blowing it out; on the periphery of the motor housing is defined with inclined flow deflectors for introducing outside air in and expelling it out, with these structures, the motor housing itself is possess with an ability of heat-radiating.

Abstract: A switch casing assembly of a ceiling fan includes a first part having a first skirt portion extending from the top thereof and a plurality of L-shaped notches are defined in the first skirt portion from a lower periphery of the first skirt portion. A second part has a bottom with a second skirt portion extending from the bottom. A plurality of protrusions extend from an inside of the second skirt portion. The protrusions are engaged with the L-shaped notches so as to connect the two parts.

Abstract: A lamp connection port connected to a ceiling fan assembly includes an open end which is enclosed by a skirt portion of the connection port. A plurality of flexible protrusions extend inward from an inside of the skirt portion and a first end of a lamp shade is engaged in the open end of the lamp connection port. The first end of the lamp shade has a flange and a groove is defined in an outer periphery of the lamp shade. The flexible protrusions are engaged with the groove of the lamp shade.