Patent ID: 9335031
Filing Date: 2016-05-10
CPC Classification: B23P,F21S,F21V,Y10T

Claim Text:
1. A door assembly for a light fixture comprising: a. a first frame side and a second frame side opposite the first frame side, wherein the first frame side and the second frame side are separated by a width; b. a first frame end and a second frame end opposite the first frame end, wherein the first frame end and the second frame end are separated by a length, wherein each of the first frame end and the second frame end is connected to and spans the width between the first frame side and the second frame side to define a frame opening; c. a first end plate having a thickness and extending upwardly from the first frame end and a second end plate having a thickness and extending upwardly from the second frame end, wherein an aperture having a substantially arcuate profile is defined in, and extends through the thicknesses of, each of the first and second end plates; d. a translucent diffuser panel retained within the frame opening, wherein the translucent diffuser panel spans the length and the width, and is curved in a downwardly concave shape from the first frame side to the second frame side, but is not curved from the first frame end to the second frame end; and e. a refractor comprising a first end and a second end each having a profile substantially the same as the aperture profile in the first and second end plates, wherein the refractor is retained in the door frame solely by engagement of the first end of the refractor in the aperture on the first end plate and the second end of the refractor in the aperture on the second end plate, wherein, when the door assembly is viewed from below, a first portion of the diffuser panel extends between the refractor and the first frame side and a second portion of the diffuser panel extends between the refractor and the second frame side.