Patent ID: 8978739
Filing Date: 2015-03-17
Classification: F28D,F28F

Abstract:
1. A heat dissipating device for dissipating heat from a heat radiation element, the heat dissipating device comprising: a base comprising a first base board and a second base board connected to the first base board, wherein a supporting portion extends from the second base board, the supporting portion has a recess defined therein and comprises a hooked end protruding from a peripheral portion of the second base board, the second base board has a guiding hole and two steps defined therein, each step including a bottom surface and a side surface; a fixing frame attached to the base, the fixing frame comprising at least one first pivoting portion; a fan detachably attached to the fixing frame and comprising at least one second pivoting portion, the at least one first pivoting portion and the at least one second pivoting portion comprising at least one shaft and at least one receiving hole, the at least one shaft being received in the at least one receiving hole, such that the fan is capable of rotating about the at least one shaft, the fan further comprising a protrusion configured to be received in the recess when the protrusion is abutting against the supporting portion; and a securing arm rotatably attached to the base, and the securing arm configured for holding the fan against the base, wherein the securing arm comprises two shaft portions, a retaining portion located between and connected to the shaft portions, an engaging portion connected to an end of one shaft portion facing away from the retaining portion, and a restraining portion connected to another shaft portion facing away from the retaining portion, the two shaft portions being received in the guiding hole, the retaining portion is configured for retaining the protrusion such that as the fan abuts against the base, the engaging portion and the hooked end cooperate to maintain the protrusion's abutment against the supporting portion, the engaging portion and the restraining portion being located on the bottom surface of the steps, the two side surfaces of the steps cooperatively restraining the shaft portions from sliding in the guiding hole.