Patent ID: 6141311
Filing Date: 2000-10-31
Classification: G11B

Abstract:
An anti-dust cover driving device for a CD player comprising:a base body with a laser head base unit mounted thereon, a laser head is movably mounted on said laser head base unit, said base unit further includes an anti-dust cover that covers said laser head base unit, said anti-dust cover includes a pair of slide grooves in an underside thereof, said base body further comprises a pair of slide rails, said slide rails are received in said slide grooves of said laser head base unit; anda driving device that moves said anti-dust cover in a linear travel path along said slide grooves, said linear travel path of said anti-dust cover is perpendicular to a travel path of said laser head; whereinsaid driving device includes a gear with a circular outer edge with limit teeth formed thereon, and a projecting stop wall formed in an interior portion on an upper side of said gear,said anti-dust cover has a rack with a linear array of teeth positioned to mesh with said limit teeth of said gear of said driving device, such that rotation of said gear of said driving device causes said anti-dust cover to move along said linear travel path of said anti-dust cover, andsaid anti-dust cover further includes a curved shaft, said curved shaft contacts said projecting stop wall when said anti-dust cover moves away from said laser head.