US Patent 9447953 Adjustable luminaire

Disclosed is a light fixture that includes a main body element that approximates a hollow spherical segment, a lamp assembly that includes a light source, an inner element, an outer element, wherein the light source, the inner element and the outer element are coupled together with the main body element positioned between the outer element and the inner element, and a central portion that extends through the main body element and couples the inner element to the outer element, wherein the lamp assembly is selectively movable relative to the main body element to alter a relative position and an angular orientation of the light source relative to the bottom opening without any portion of the lamp assembly extending blow the main body element.