| 摘要 |
<p>A motor is provided, the motor including a housing (1), a stator (4) mounted inside the housing, a rotor (5) rotatably installed at a center of the stator by a rotation shaft (3), and a pulley (100) rotating in association with the rotation shaft (3), wherein the pulley (100) includes a belt gear (100) coupled by a belt at a periphery, a flange (120) formed at one side of the belt gear to have a diameter greater than that of the belt gear, and a relief groove (130) formed between the belt gear (110) and the flange (120) to distance the belt gear from the flange.</p> |
