Patent ID: 8651249

Claim:
A disk rotor assembly for a vehicle, comprising: an adaptor adapted to be mounted on a hub and to receive torque of a wheel; a disk rotor generating a braking force; a transmitter engaging the adaptor with the disk rotor and adapted to transmit the torque received by the adaptor to the disk rotor or to transmit the braking force generated by the disk rotor to the adaptor; and an engaging member for engaging the adaptor, the disk rotor, and the transmitter altogether; wherein the adaptor has a transmitter mounting surface contacting with a side surface of the transmitter, and rotor contacting surfaces contacting with the disk rotor; and wherein the disk rotor includes a transmitter mounting groove; wherein the rotor contacting surfaces of the adaptor extend into the transmitter mounting groove and the transmitter mounting surface of the adaptor is formed between the rotor contacting surfaces in the transmitter mounting groove; and wherein the transmitter penetrates the transmitter mounting groove and the side surface of the transmitter is engaged with the transmitter mounting surface.