Patent attributes
The dustproof panel includes: (a) a dustproof plate, which has a size covering a screen and extending to a frame member, and whose portion opposing the screen has transparent properties; (b) a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles to a rear surface of the dustproof plate, the attachment being made without gaps therebetween in a frame shape along the edge of the dustproof plate, and the foam body abutting against the frame member; and (c) an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate along an inner circumference of the frame-shaped dustproof filter and a second constituent element attached to a front surface of the frame member so as to oppose the first constituent element, the first constituent element and the second constituent element being mutually attachable and detachable.
