Patent ID: 8100566

Claim:
A light fixture comprising: a light-fixture housing having an end face; a bracket adapted to be fixed to a wall or ceiling surface and having a leg formed with a leg hole; a bolt fixed in the housing and projecting therefrom along an axis through the leg hole, the bolt having an outer profiled end; a ring engageable over the profiled end and fittable complementarily therewith so as to be rotationally fixed on the bolt with the leg between the ring and the housing; an annular disk fittable over the ring, having a back face turned toward and engageable around the ring with the leg, and formed with a radially extending threaded bore; a radial screw engaged in the bore of the disk and engageable radially inward with the ring to rotationally lock the disk on the ring; interengaging eccentric formations on the back face of the disk and on the leg engageable axially together to rotationally lock the disk on the leg; and an axial screw engageable through the disk and ring with the bolt and having a head engageable axially inward with the disk to press the back face of the disk against the leg and the leg against the housing end face and engage the disk formations with the leg formations.