Patent ID: 8167376

Claim:
A headrest apparatus for vehicle seats, comprising coupling holders ( 40 ) coupled to a seat main body ( 10 ) of a vehicle, a support ( 30 ) coupled to an upper portion of the seat main body ( 10 ) so as to be raised and lowered through the coupling holders ( 40 ), a headrest ( 20 ) coupled to an upper portion of the support ( 30 ), and an actuating unit provided in the headrest ( 20 ) and connected to a power supply unit of the vehicle via power lines to perform a predetermined function, wherein the headrest apparatus further comprises: a connector body ( 100 ) mounted outside any one of the coupling holders ( 40 ), and configured to have guide rails ( 101 ) that extend from the connector body ( 100 ) in an ascending and descending direction of the support ( 30 ); a slider ( 110 ) coupled to the connector body ( 100 ) so as to be moved along the guide rails ( 101 ); and connectors ( 131 , 133 ) configured to be respectively mounted to a lower end of the support ( 30 ) and the slider ( 110 ), to be coupled to or separated from each other according to ascent and descent of the support ( 30 ), and to be respectively connected with the power line ( 135 ), which is connected to the actuating unit of the headrest ( 20 ), and the power line ( 137 ), which is connected to the power supply unit of the vehicle via the seat main body ( 10 ).