Patent ID: 7507006
Filing Date: 2009-03-24
Classification: G03B

Abstract:
1. A fixing structure for fixing a UV/IR filter glass in a lamp receptacle, the lamp receptacle including a receptacle body defining a receiving space, and having a peripheral wall and an upper opening for access to the receiving space, the peripheral wall confining a front side of the receiving space and being formed with an aperture, the receptacle body further including an upper fixing element and a lower fixing element, the upper fixing element being attached securely to the peripheral wall above the aperture and protruding into the receiving space, the upper fixing element being formed with a fastening hole, the lower fixing element being attached securely to the peripheral wall below the aperture and protruding into the receiving space, the lower fixing element being formed with a fastening hole, the UV/IR filter glass being disposed within the receptacle body behind the aperture in the peripheral wall, the fixing structure comprising: a holding frame adapted to be disposed within the receiving space behind the filter glass, and having a central hole aligned with the aperture in the peripheral wall; an upper mounting arm having a vertical section formed with an upper section of said holding frame and a horizontal section extending frontward from said vertical section so as to overlap the upper fixing element, thereby retaining said holding frame in such a manner to urge the filter glass to abut against the peripheral wall around the aperture; a fastener member extending through said horizontal section of said upper mounting arm to engage the fastening hole in the upper fixing element for preventing an untimely removal of the filter glass and said holding frame from the peripheral wall of the receptacle body; and a lower mounting arm having a vertical section integrally formed with a lower section of said holding frame and extending through and engaging said fastening hole in said lower fixing element, and a horizontal section extending rearward from said vertical section of said lower mounting arm so as to enhance confining of the filter glass between the peripheral wall and said holding frame.