Patent ID: 6881964

Claim:
A UV-curing lamp assembly comprising: a cabinet having an enclosure therein; a UV lamp supported within said cabinet enclosure, said UV lamp including a reflector for focusing reflected light from said lamp to a focal point; a light guide having a light entrance surface disposed in said enclosure with said focal point lying substantially at said light entrance surface, said light guide having a light exit surface lying outside said cabinet; and a shutter/stop mechanism, including: a light guide mounting plate supported by said cabinet, said light guide mounting plate including a first surface and a second surface spaced therefrom, said light guide being supported by said plate such that said light entrance surface is disposed in close proximity to said first surface of said mounting plate; a filter supported by said mounting plate for filtering selected light frequencies from said lamp and reducing heat transmission therethrough, said filter being disposed in close proximity to said light entrance surface of said light guide; and a shutter/stop member movably guided by said plate and including a first movable portion f or blocking light from reaching said light entrance surface and a second movable portion for allowing light to reach said light entrance surface, said shutter/stop member being disposed in close proximity to said filter.