| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a disc rotor unit for a vehicle capable of preventing occurrence of thermal crack which occurs in a disc part when braking a vehicle. <P>SOLUTION: This disc rotor unit for a vehicle includes: an adapter part 110 fitted in a wheel hub in one end thereof and formed with a plurality of cam projections 111 on an outer peripheral surface close to the other end thereof; disc parts 123 and 125 respectively having a through hole 121, through which the adapter part 110 passes, in a central part thereof, and formed with a plurality of support projections 127 in an inner peripheral surface of the through hole, corresponding to the plurality of cam projections 111, and to be assembled by fitting the plurality of support projections 127 between the plurality of cam projections 111 and passing the adapter part 110 therethrough; and an assembly nut 140 screwed to a screw groove N provided in the outer peripheral surface of the other end of the adapter part 110 to fix the disc parts 123 and 125 to the adapter part 110. <P>COPYRIGHT: (C)2012,JPO&INPIT |
