Patent ID: 9488348
Filing Date: 2016-11-08
CPC Classification: F21S,F21V,F21Y

Claim Text:
1. A retrofitting kit for retrofitting an existing troffer light fixture having a troffer housing, comprising: a door assembly including: a retainer comprising the flange fixed to the housing of the door assembly and configured to engage at least one of the troffer housing and a T-bar of a ceiling system to thereby selectively secure the door assembly within the ceiling system, wherein the retainer is positioned such that the engagement between the retainer and the at least one of the troffer housing and the T-bar of the ceiling system is direct, wherein the flange extends downward and away from the at least one of the pair of sidewalls, wherein the door assembly at an upper edge of the flange is narrower than an opening of the ceiling system, and wherein the door assembly at a lower edge of the flange is wider than the opening of the ceiling system such that the flange comprises at least a portion of a spring lock configured to deform as the door assembly is inserted into the ceiling system and spring outward once the door assembly is in place, wherein a maximum width of the housing of the door assembly, including the flange, is greater than a width of the opening of the ceiling system such that engagement between the T-bar of the ceiling system and the retainer at least partially holds the door assembly in place.