Patent ID: 6350048
Filing Date: 2002-02-26
Classification: B60N,B60Q

Abstract:
In a transit vehicle having a roof defining an interior ceiling surface, two side walls each extending longitudinally of the body including an upper side wall portion connecting to the roof and a row of windows underneath the upper side wall portion, an aisle and a row of seats on one side of the aisle and along the side wall at the windows, a lighting fixture comprising:an elongate light housing supported in the vehicle along the ceiling surface longitudinally of the body at a position above the row of seats; elongate light emitting elements mounted in the light housing and extending longitudinally of the housing; a covering lens mounted on the light housing underneath the light emitting elements for enclosing the light emitting elements, wherein the light housing comprises a reflector surface including a main body portion having a parabolic cross-section with a parabola axis extending along the housing above the light emitting elements; wherein the light emitting elements have an axis thereof located substantially at the parabola axis such that light emitted thereby toward the main body portion of the reflector surface is reflected downwardly through the lens; and wherein the lens has first portions thereof which allow passage of the light therethrough and second portions thereof which are reflective to restrict passage of light therethrough to increase the amount of light passing through the first portions.