Patent ID: 7097018

Claim:
A wire-winding device comprising: an upper cover; a center of the tipper cover being formed with a via hole; a lower side of the upper cover being formed with a sector groove; the sector groove being a sector area formed at one side of the upper cover; a rotatable sheet having one end being installed to a rod at an edge of the sector groove; a front end of the rotatable sheet being installed with a block; the block being protruded from the rotatable sheet; a rotary base; a center of the rotary base having a second via hole; a top of the rotary base being formed with an annular track; the block being steadily embedded into the annular track; a spiral spring being positioned in a lower groove of the rotary base; a lower cover extended with a post at a center of one tipper side of the lower cover; a side of the post having a trench for fixing one end of the spiral spring; a transmission line winding around the rotary base; a screw being screwed into the post of the lower cover through the via hole of the upper cover, a hole of a spiral spring and a center hole formed by winding the transmission line so as to form a wire-winding device; wherein two ends of the transmission line are connected to UBS connectors; wherein a decorating sheet covers the upper cover; and wherein each of two ends of the upper cover has a post and a hole; each of two ends of the lower cover has a post and a hole for engaging the hole and the post of the upper cover; and thereby, the upper cover and lower cover enclosing the rotary base.