Patent ID: 11858486
Assignee: HYUNDAI MOBIS CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 12:
13. A parking brake apparatus for a vehicle, comprising:
a motor section receiving electric power from an outside, and generating power;
a power transmission section rotated by driving the motor section, and including transmission worm gears;
a pair of pressing units receiving power from the power transmission section and pressing a brake pad;
a load transmission unit installed between the pair of pressing units, connected to each of the pair of pressing units, transmitting a pressing load of any one of the pair of pressing units to the other pressing unit, and made of a magnetic material;
a magnet unit disposed to be spaced apart from the load transmission unit; and
a hall sensor unit disposed between the load transmission unit and the magnet unit, and sensing a change in magnetic field according to rotation of the load transmission unit,
wherein the load transmission unit comprises:
a pair of ring gear sections; and
at least one transmission gear section disposed between the pair of ring gear sections, and meshed with the ring gear sections,
wherein the transmission gear section is made of a magnetic material, and
wherein the magnet unit is disposed to face the transmission gear section which is made of the magnetic material, and the hall sensor unit senses a change in magnetic field according to rotation of the transmission gear section.