Patent ID: 7461945

Claim:
A focus-adjustable LED flashlight comprising: a tubular housing; an LED light-emitting unit coupled to said tubular housing; a sleeve unit coupled movably to said tubular housing; and a positive lens mounted in said sleeve unit and spaced apart from and aligned with said LED light-emitting unit along an axis of said tubular housing; wherein said sleeve unit is movable relative to said tubular housing and said LED light-emitting unit along the axis of said tubular housing so as to adjust a distance between said positive lens and said LED light-emitting unit; and wherein said tubular housing has an end face, said LED light-emitting unit including a circuit board, said sleeve unit including a first sleeve engaging threadedly said tubular housing, a second sleeve engaging threadedly said first sleeve, and an urging member, said circuit board being urged by said urging member toward said end face of said tubular housing, said second sleeve being formed with an inner shoulder, said positive lens being disposed in said second sleeve and being urged by said urging member towards said inner shoulder.