Headlight and processes for making same

Claim 1

A process for assembling a headlight comprising the steps of: a. providing a glass lens element having three internal bearing supports cast in one piece with said lens each support having a top bearing surface defining together a common bearing plane, said glass lens being further provided with at least one further support which has a support surface which is offset from said bearing plane and said internal bearing supports; b. providing a mating support element for said glass lens element; c. placing said glass lens element on a mounting so that said glass lens element rests on said mounting by bearing on said top bearing surfaces of said three internal supports; d. measuring the offset between the bearing plane defined by said internal bearing supports and the support surface of said further support; e. providing a plurality of interposable support members of varying thicknesses; f. selecting from said plurality of support members a member having a thickness corresponding to said offset; g. assembling said headlight with said selected support member interposed between said support element and the support surface of said further support on said lens element.