A lens body is provided which is disposed in front of a light source and configured to emit light forward from the light source along a forward/rearward reference axis extending in a forward/rearward direction of a vehicle, the lens body including an incidence part; a first reflecting surface configured to totally reflect light entering from the incidence part; a second reflecting surface configured to totally reflect at least some of the light totally reflected by the first reflecting surface; and a light emitting surface, wherein the first reflecting surface includes an elliptical spherical shape rotatably symmetrical with respect to a major axis extending in the forward/rearward direction, in first and second focal points constituted by the elliptical shape of the first reflecting surface, the second focal point disposed at a rear side between the first and second focal points is disposed in the vicinity of the light source, the second reflecting surface extends rearward from a point spaced a predetermined distance from the first focal point in an upward direction, and, among the light totally reflected by the first reflecting surface, light reaching the light emitting surface without being reflected by the second reflecting surface and light reaching the light emitting surface after being totally reflected by the second reflecting surface are emitted from the light emitting surface to be radiated forward.


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    Title :

    Body and lighting tool for vehicle


    Contributors:

    Publication date :

    2019-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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