Patent ID: 6121696
Filing Date: 2000-09-19
Classification: H01R,H03H

Abstract:
An EMI (electromagnetic interference) preventive AC line filter comprising a rack, a winding holder mounted on said rack, said winding holder having windings on it, and an iron core coupled to said winding holder, wherein:said rack comprises a substantially rectangular top open chamber, which receives said winding holder, and two substantially U-shaped support arms arranged in parallel at two opposite ends of said top open chamber,said winding holder is comprised of two symmetrical halves mounted in the top open chamber of said rack, said symmetrical halves each comprising at least one partition groove, a plurality of winding grooves separated from one another by said at least one partition groove, a toothed portion at one end, and an axially extended coupling groove of semicircular cross section, the axially extended coupling grooves of said symmetrical halves forming an axially extended cylindrical coupling groove in said winding holder;said iron core is coupled to said winding holder and secured to the U-shaped support arms of said rack to hold said winding holder in place, said iron core comprising a peripheral wall having two parallel side wall portions respectively forced into engagement with the U-shaped support arms of said rack, and a cylindrical shaft connected between said two parallel side wall portions and received in the axially extended cylindrical coupling groove in said winding holder.