Patent ID: 7830053

Claim:
A motor comprising: a bracket having an upper and lower bracket coupled each other to define an exterior of the motor: a printed circuit board (PCB) mounted within the lower bracket, the PCB having a circuit pattern and various elements mounted thereon and a hollow formed on a center thereof; a stator having a stator core, which forms a magnetic path, having a plurality of tooth parts along a circumferential direction and a tooth provided in each of the plurality of tooth parts, such that a coil is wound around the tooth, the stator being mounted on the PCB; a rotor provided within the stator; a shaft that rotates together with the rotor to transmit a rotational force of the rotor; and a stopper that projects from an inside of the lower bracket and is inserted in the hollow to prevent interference between the rotor and the PCB, wherein an outer or inner diameter of the stopper is determined to enable the upper or lower surface of the rotor to contact with the stopper.