Patent ID: 6345904
Filing Date: 2002-02-12
Classification: F21S

Abstract:
A fastening device for a projector lamp, comprising:a lamp casing having a first sidewall, a second sidewall, a bottom wall and a connective structure that encloses a central space, wherein the first sidewall has a first opening, the second sidewall has a hook groove, and there is a second opening between the second sidewall and the bottom wall; and a strip-shaped spring having a first end and a second end having an internal recess structure for fastening the lamp onto the lamp casing, wherein the lamp is installed within the central space of the lamp casing, a middle section of the strip-shaped spring is latched by the hook groove on the second sidewall, the first end of the spring is fixed by the first opening on the first sidewall, the second end of the spring is inserted through the second opening such that the internal recess structure can engage with a recess groove on the lamp, and through the deform stress provided by the spring passing through the first opening, the hook groove and engaging with the recess groove on the lamp, the lamp is firmly fastened to the lamp casing.