| 主权项 |
1. A headlight for installation with a headlight housing of a locomotive, wherein the headlight comprises:
an upper portion, comprising:
an upper housing having a generally cylindrical shaped collar having an exterior side wall oppositely situated to an interior side wall, a top wall oppositely situated to a bottom wall, wherein the top and bottom walls are transversely positioned relative to the exterior and interior side walls; and a chamber surrounded by the interior side wall;a light source disposed within the chamber of the upper housing;a base having an anterior directed portion oppositely situated to a posterior directed portion, wherein the anterior directed portion is concentrically joined to and recessed relative to the posterior directed portion to form a base rim which is disposed between the anterior and posterior directed portions; anda plurality of fins sandwiched between the upper housing and the base and radially positioned on the bottom wall of the upper housing and extending towards the base; and a lower housing directed towards the posterior directed portion of the base and opposite from the upper housing; and circuitry contained within the lower housing, and which is in electrical communication with the light source and with a power source provided by the locomotive;wherein, when the headlight is installed on the headlight housing of the locomotive, the lower housing and the posterior directed portion of the base are contained within a cavity of the headlight housing of the locomotive, the base rim forms a seal between the locomotive headlight and an interior directed side of a wall of the headlight housing, and wherein the anterior directed portion of the base, the plurality of fins, and the upper housing protrude from and are raised relative to the interior directed side of the wall of the headlight housing. |
