Patent ID: 7153226

Claim:
A string-pulling device of a racket-stringing apparatus comprising a bed, a racket stringer and the string-pulling device, wherein: the racket stringer and the string-pulling device are mounted on the bed, the racket stringer including a fixing rack for locating a racket frame and a set of string chucks for chucking a string; the string-pulling device includes a housing, a driving unit, a string-pulling head, a control box and a memory, the driving unit being arranged in the housing, the driving unit including a collective circuit for collecting wires of the driving unit, the housing having a lateral face on which the string-pulling head is mounted, the string-pulling head being rotationally drivable by the driving unit, the control box being detachably mounted on the lateral face of the housing; a main circuit is arranged in the control box for controlling and driving the driving unit, the main circuit being electrically connectable with the collective circuit of the driving unit for controlling and driving the driving unit, a control panel being disposed on the control box, the control panel having several control buttons corresponding to the main circuit for controlling the main circuit; and the memory is disposed in one of the collective circuit of the driving unit in the housing and the main circuit in the control box for memorizing data such as rotational speed and tension value set with the control box.