Abstract: A ceiling fan blade assembly structure includes a blade holder, multiple fan blades, and multiple locking assemblies. Multiple fan blade assembly portions are disposed at an outer side of the blade holder. Each fan blade assembly portion includes two first side plates parallel to each other, a first radial positioning portion, and two first vertical positioning portions disposed on the two first side plates. Each fan blade has a fan blade connection portion that includes two second side plates, a second radial positioning portion, and two second vertical positioning portions. The second and the first radial positioning portions are engaged with each other, and the two second and first vertical positioning portions are engaged with each other. Accordingly, the fan blade connection portion is preliminarily positioned on the fan blade assembly portion. Through the locking assembly, the first and the second radial positioning portions are locked together.

Abstract: An umbrella with light-emitting indicator is provided. The umbrella with light-emitting indicator comprises an umbrella stand, a control circuit and a light-emitting device. The umbrella stand comprises a set of moveable ribs, a piece of umbrella cloth covered on the ribs and an insulative element with a receiving space formed on top end of said umbrella stand. The control circuit is securely installed in the receiving space of the insulative element, wherein the control circuit is connected to a battery and a switch. The light-emitting device is securely fixed onto surface of the umbrella cloth of the umbrella, wherein the light-emitting device is electrically connected to the control circuit.