Patent ID: 8967836
Filing Date: 2015-03-03
Classification: F21K,F21V

Abstract:
1. A lighting device comprising: an outer body having an inner wall to form a cavity, the inner wall being provided with a first threaded connection formed thereon and an outer wall forming a heat sink; a light source disposed within the cavity; a power supply disposed at one end of the body to supply power to the light source; and a lens disposed in the cavity above the light source, the lens being provided with a second threaded connection formed on an outer wall thereof and being coupled to the first threaded connection, wherein the body includes a groove formed by recessed portions formed in the inner wall, the groove being located below the first threaded connection, wherein the lens includes a first protrusion protruding outwardly from the outer wall of the lens, and wherein the groove is coupled to the first protrusion to keep the lens spaced from the light source.