Patent ID: 6378797
Filing Date: 2002-04-30
Classification: B65H,H02G,H04M

Abstract:
An improved structure of a wire winding box, comprising:a housing comprising a top cap and a bottom cap to form a rotary disk tank, a receiving tank, a fixing tank having a through hole, and two cable outlets connected to said rotary disk tank, a rotary disk rotatably received in said rotary disk tank, a circular groove having positioning bars on its groove wall being formed at a center of one disk surface of said rotary disk while a ring having a hook groove being formed at a center of another disk surface of said rotary disk so that a shaft bushing having positioning grooves around the periphery thereof can be positioned in said ring, slots being formed at two opposite sides of said shaft bushing, at least a slanting retaining block being installed at a predetermined distance from the center of and on the same disk surface of said rotary disk as said ring, a communication cable whose middle section penetrating through said slots to be positioned therein, a plug protruding out of said cable outlets being connected on each end of said communication cable, a spiral spring received in said receiving tank and hooked in said hook groove of said ring via the outer hook end thereof so as to be wound around said ring when said rotary disk rotates, a locking button received in said fixing tank and pushed by a resilient element so that a push part installed thereon protrudes out of said through hole of said housing, a bump being formed on said locking button and extending to the rotation path of said retaining block of said rotary disk, whereby said rotary disk will be pushed off by the bevel of said slanting retaining block when said communication cable is pulled out, and said locking button will stop said retaining block to lock said rotary disk when said communication cable is rewound.