Abstract: The present invention provides a parking brake actuator comprising: a motor; a worm gear connected to the motor so that power may be transmitted therebetween; a worm wheel engaged with the worm gear; a driving shaft coupled to the worm wheel and to which a parking cable is connected; and a power transmission gear including a first gear coupled to a rotary shaft of the motor, and a second gear coupled to the rotary shaft of the worm gear and connected to the first gear so that the power may be transmitted therebetween, wherein a gear ratio between the first gear and the second gear is 10:66 and a gear ratio between the worm gear and the worm wheel is 1:54.

Abstract: The present invention provides a parking brake actuator comprising: a motor; a worm gear connected to the motor so that power may be transmitted therebetween; a worm wheel engaged with the worm gear; a driving shaft coupled to the worm wheel and to which a parking cable is connected; and a power transmission gear including a first gear coupled to a rotary shaft of the motor, and a second gear coupled to the rotary shaft of the worm gear and connected to the first gear so that the power may be transmitted therebetween, wherein a gear ratio between the first gear and the second gear is 10:66 and a gear ratio between the worm gear and the worm wheel is 1:54.

Abstract: An embodiment of the present invention relates to a parking brake actuator which includes a motor; a worm gear connected to the motor to transmit a power; a worm wheel engaged with the worm gear; a drive shaft coupled to the worm wheel, wherein a parking cable is connected to the drive shaft; a power transmission gear including a first gear coupled to a rotational shaft of the motor and a second gear which is coupled to a rotational shaft of the worm gear and connected to the first gear to transmit the power; and a housing including a first accommodation portion disposed at one side of a reference line which is formed perpendicular to the rotational shaft of the motor and passes through the first gear to accommodate the motor, a second accommodation portion disposed at another side of the reference line to accommodate the worm gear so that the rotational shaft of the worm gear is parallel to the rotational shaft of the motor, and a third accommodation portion disposed at the other side of the reference line t

Abstract: An embodiment of the present invention relates to a parking brake actuator which includes a motor; a worm gear connected to the motor to transmit a power; a worm wheel engaged with the worm gear; a drive shaft coupled to the worm wheel, wherein a parking cable is connected to the drive shaft; a power transmission gear including a first gear coupled to a rotational shaft of the motor and a second gear which is coupled to a rotational shaft of the worm gear and connected to the first gear to transmit the power; and a housing including a first accommodation portion disposed at one side of a reference line which is formed perpendicular to the rotational shaft of the motor and passes through the first gear to accommodate the motor, a second accommodation portion disposed at another side of the reference line to accommodate the worm gear so that the rotational shaft of the worm gear is parallel to the rotational shaft of the motor, and a third accommodation portion disposed at the other side of the reference line t