Patent ID: 6342999
Filing Date: 2002-01-29
Classification: H02G,H04M

Abstract:
A current surge absorbing wire winding box, comprising:a housing including two half cases and having a receiving groove defined therebetween, two wire outlets being formed at respective spaced apart locations of the periphery of said receiving groove; a rotary disk rotatably disposed within said receiving groove, a first ring and a second ring being formed at the centers of two opposite surfaces of said rotary disk, said first and second rings having walls thereof extending axially from said opposite surfaces of said rotary disk in opposite directions, said walls of said first ring having a pair of radially aligned slots formed therein, and said walls of said second ring having a hooking groove formed therein; a communication wire having two portions thereof extending lengthwise adjacent one to the other and forming a plurality of pairs of loop coils and a central fixed section integrally joining said two portions of said communication wire, each said portion of said communication wire having an end extended through a respective one of said two wire outlets, said communication wire having a plurality of conductive wires; a spiral spring secured within a cavity formed in said housing in proximity to said receiving groove, said spiral spring having an end thereof engaged within said hooking groove of said second ring of said rotary disk, said spiral spring being wound around said second ring by rotational movement of said rotary disk; and a surge absorption device installed within said walls of said first ring on said rotary disk, said surge absorbing device including: (a) a circuit board; (b) at least one surge absorption element on said circuit board electrically connected to two conductive wires in a respective loop coil of said communication wire in parallel therewith, (c) a first clamping cover and a second clamping cover attached one to the other and defining a receiving opening therebetween, said central fixed section of said communication wire being clamped within said receiving opening and extending through said slots formed in said walls of said first ring at said rotary disk, each of said first and second clamping covers having a plurality of inserting holes formed at predetermined locations thereat, and (d) a plurality of inserting terminals, each having a first end thereof welded to said circuit board to be electrically connected to said at least one surge absorbing element, and a second end thereof inserted into a respective one of said plurality of the inserting holes for electrical engagement with a respective pair of said conductive wires of said communication wire.