Patent 7297886 was granted and assigned to Futaba on November, 2007 by the United States Patent and Trademark Office.
A dustproof structure for an electronic equipment includes internal switches disposed in a housing forming an external frame of the electronic equipment and an opening for use in operating the internal switches. The dustproof structure further includes a shutter plate for opening or closing the opening; and a cover plate for supporting the shutter plate, the shutter plate being freely slidable between the cover plate and the housing. A slide recess serving as a sliding area of the shutter plate is formed in the housing or the cover plate.