US Patent 10408438 Ceiling fitting with a lighting module

A ceiling fitting includes a canopy provided with a fixed hook and a mounting hole, a movable hook mounted on the mounting hole of the canopy and having an arcuate restriction portion, a lighting module removably mounted on the canopy, and an outer cover covering the lighting module. The lighting module includes a lamp board mounted on the canopy and located between the movable hook and the fixed hook, and a light permeable shell mounted on the lamp board. The lamp board is provided with a first retaining groove and a second retaining groove. The first retaining groove is locked onto the movable hook, with the restriction portion of the movable hook being retained by the first retaining groove of the lamp board. The second retaining groove is locked onto the fixed hook.