Patent ID: 8087803

Claim:
An LED lamp comprising: a heat sink having a column-shaped body and a plurality of fins extending outwardly and radially from the body; an LED module mounted at one end of the heat sink; a mounting plate attached to the one end of the heat sink; a fan bracket attached to an opposite end of the heat sink; a heat dissipating fan secured to the fan bracket; and a plurality of bolts each extending through the mounting plate, the fan bracket and the heat dissipating fan, one end of each of the bolts being engaged with the mounting plate, another end of each of the bolts being engaged with the heat dissipating fan; wherein a plurality of protrusion bars protrude outwardly from and extend axially along an outer circumferential surface of the body; and wherein the fan bracket defines a plurality of receiving grooves corresponding to the protrusion bars of the heat sink, the fan bracket surrounding a circumferential outer surface of the opposite end of the heat sink, one end of each of the protrusion bar being engaged in a corresponding receiving groove.