Clearance light for trailers

Claim 1

A CLEARANCE LIGHT FOR A VEHICLE COMPRISING A GENERALLY CUP-SHAPED FLEXIBLE INSULATING HOUSING OPEN AT ONE FACE, AT LEAST ONE BULB, MEANS MOUNTING SAID BULB IN SAID HOUSING, SAID VEHICLE INCLUDING A MEMBER HAVING A CUT-OUT PORTION CORRESPONDING TO THE OPEN FACE OF SAID HOUSING, AN EXTERNAL GROOVE PERIPHERALLY AROUND SAID HOUSING ADJACENT SAID OPEN FACE AND RECEIVING THE PERIPHERAL EDGE OF SAID CUT-OUT PORTION, A LENS CORRESPONDING TO BUT LARGER THAN SAID OPEN FACE, AND MEANS TO SELECTIVELY POSITION SAID LENS TO OPEN AND CLOSE SAID OPEN FACE OF SAID HOUSING, SAID LAST-NAMED MEANS INCLUDING AN ELONGATED SPRING MEMBER HINGED AT ONE OF ITS ENDS TO SAID VEHICLE MEMBER AND HAVING A PORTION EXTENDING ACROSS SAID LENS, MEANS ON SAID LENS ENGAGING AND REMOVABLY RETAINING SAID PORTION OF SAID SPRING ON SAID LENS SO THAT SAID LENS REMAINS ATTACHED TO SAID SPRING DURING PIVOTAL MOVEMENT THEREOF, AND DETENT MEANS ON SAID VEHICLE MEMBER RELEASABLY ENGAGING THE OTHER END OF SAID SPRING MEMBER TO HOLD SAID LENS IN ITS CLOSED POSITION.