Patent ID: 8602179

Claim:
A disk rotor unit for a vehicle comprising: an adapter portion of which an end portion is connected to a wheel hub, wherein a plurality of cam protrusions are formed to an exterior circumference of the other end portion of the adapter portion; a disk portion of which a plurality of support protrusions corresponding to the cam protrusions are formed to an interior circumference thereof, wherein each support protrusion is inserted between adjacent cam protrusions for assembling the disk portion with the adapter portion; and an assemble member engaged with the other end portion of the adapter portion for assembling the disk portion to the adapter portion, wherein the cam protrusions are formed apart from each other at an interval along the exterior circumference of the other end portion of the adapter portion and protruded outwards, wherein the disk rotor unit further includes a stepped portion which is protruded outwards from an outer surface of each cam protrusion corresponding to the disk portion, and wherein the disk rotor unit further includes a stopper which is protruded inwards from the interior circumference of the disk portion between adjacent support protrusions corresponding to the stepped portion.