Patent ID: 7611295

Claim:
An electric dust-proof device comprising: a base seat unit; a driving mechanism including a power unit including a motor disposed on said base seat unit, and a worm driven by said motor to rotate in two directions, a drive unit including a worm gear disposed rotatably on said base seat unit and meshing with said worm, and a first gear driven by said worm gear, a driving seat including a driving seat body disposed pivotally on said base seat unit, and a second gear disposed on said driving seat body and meshing with said first gear, and a pair of spaced-apart first and second pushing portions disposed on said driving seat body, and a driven seat including a base body spaced apart from said driving seat body of said driving seat, an output member disposed on said base body, and a pair of spaced-apart first and second pushed portions disposed on said base body and corresponding respectively to said first and second pushing portions of said driving seat; and a dust-proof plate including a connecting portion connected to said output member of said driven seat, and a covering plate portion extending from said connecting portion and co-movable with said connecting portion between an open position and a close position.