Patent ID: 7806656
Filing Date: 2010-10-05
Classification: F04D,Y10T

Abstract:
1. A fan assembly, comprising: a frame comprising a first end portion, a second end portion, and a middle portion connected to the first end portion and the second end portion; and a securing element with a positioning hole for selectively receiving the frame therein, wherein the positioning hole of the securing element comprises a first hole for receiving the first end portion of the frame and a second hole for receiving the middle portion of the frame, a shape of the first end portion of the frame corresponds to a shape of the first hole of the positioning hole of the securing element, a shape of the second end portion of the frame corresponds to a shape of the second hole of the positioning hole of the securing element, and the second end portion of the frame is stopped by a periphery of the positioning hole of the securing element after rotating at a predetermined angle so that the frame is positioned.