US Patent 7111957 Tilt and lock air handling fixture

According to the invention, an air handling fixture is provided which can be tilted and locked at a preselected angle when mounted on a sloped ceiling so that a depending pendant tracklight is plumb or perpendicular to a horizontal floor there beneath. The fixture comprises an air handling channel including a plurality of air handling slots, a tilt and lock mechanism, the tilt and lock mechanism having an upper portion, including a toggle lock and casing, and a lower portion, including at least a light retaining component slidably adjustable through a preselected arc.