Patent ID: 8342715
Filing Date: 2013-01-01
Classification: F21V,F21Y

Abstract:
1. A lens arrangement for telescopic illuminator, comprising: a reflector, the reflector having a cavity defined therein and inwardly extending thereto, an inner periphery of the cavity annularly formed with a conical surface, the conical surface inwardly inclined such that an inner diameter of an inner end of the reflector is less than that of an outer end of the reflector; a convex lens disposed in the cavity and positioned in a middle part of the reflector; a tapered portion annularly disposed on an outer periphery of the reflector and inclined toward the inner end of the reflector such that an outer diameter of the inner end of the reflector is less than that of the outer end of the reflector; a flat surface formed on the inner end of the reflector, the flat surface having a receiving hole centrally defined therein and passing therethrough; a lamp movably disposed adjacent to the reflector for providing to emit light beams into the reflector, the lamp borne by an aluminum board for dissipating the head generated from the lamp; wherein the receiving hole has a depth being equal or greater than a thickness of the lamp and the receiving hole has a maximum inner diameter being grater than a width of the aluminum board.