Patent ID: 7084607

Claim:
A battery charger having fixed ends for winding and releasing wires comprising: a box comprising a circuit board at the interior thereof, and a power plug extended along and penetrated through an outer wall thereof; an outer housing provided with a guiding orifice and combined to the box; a protruding and immovable axis and a through hole provided at an inner wall of the box; a large turning wheel having a larger diameter and a small turning wheel having a smaller diameter disposed next to the large turning wheel, wherein the large and small turning wheels have a same center orifice flexibly connected into a immovable axis, so that the large and small turning wheels rotate with elasticity regarding the center orifice as the center of rotation thereof; large and small wire storage grooves formed at the wheel planes of the large and small turning wheels; and a wedging slot disposed at a lateral side of the wheel plane of the large turning wheel; and a wire having one end thereof penetrated through the through hole provided at the inner wall and further connected to the circuit board and the other end thereof being a terminal plug, and winded in the large and small wire storage grooves, wherein an appropriate position of the wire is placed and wedged in the wedging slot for forming inner and outer wires.