Patent ID: 6434249
Filing Date: 2002-08-13
Classification: B65H,H02G,H04M,H04R

Abstract:
An earphone wire winding box with coaxial and dual wheels, its structural features comprises:a communication wire with an earphone connected to one end and a plug connected to the other end; a big turning wheel of a longer outer diameter and a small turning wheel of a shorter outer diameter; both of the center holes thereof are respectively and lively jointed to an uni-axial portion; the wheel planes of the big and small turning wheels are respectively formed into storage grooves for the communication wire to coil around therein; the communication wire stored in storage grooves can be distinguished as an upper wire and a lower wire; a spiral spring with its bottom end connected to the axial portion and the outer end thereof connects to the inwardly concaved wheel plane of the big turning wheel; thereby, when quite a length of the upper wire inside the storage groove of the big turning wheel is pulled out, the lower wire inside the storage groove of the small turning wheel descends only an extremely short distance.