Patent ID: 8648532
Filing Date: 2014-02-11
Classification: H01J

Abstract:
1. A high intensity discharge lamp comprising: a discharge chamber; an anti-oxidation envelope disposed around said discharge chamber and having a first end fastened to a base; a spring fitted to a second end of said anti-oxidation envelope, the second end of the anti-oxidation envelope being opposite the first end of the anti-oxidation envelope; and a shroud disposed around said anti-oxidation envelope, said shroud having a first end fastened to said base and a second end compressing said spring, wherein the spring includes a portion that extends up from the second end of the anti-oxidation envelope away from the base towards the second end of the shroud, and wherein the first end of the shroud fastened to said base has a flared mounting end extending outwards away from the anti-oxidation envelope, the flared mounting end forming an acute angle with an extended wall axis of the shroud extending from a wall of the shroud.