Patent ID: 8915325

Claim:
A drive device of an electric vehicle comprising a swing arm ( 25 ) including a pivot portion ( 57 ) pivotally supported by a pivot shaft ( 26 ) arranged in a vehicle body frame ( 2 ) of an electric vehicle ( 1 ), and an arm portion ( 100 ) extending from the pivot portion ( 57 ) towards a back side of a vehicle body to support a rear wheel (RW) at an end on the back side of the vehicle body and accommodating an electric motor ( 60 ) for driving the rear wheel (RW), wherein: the arm portion ( 100 ) includes a box-shaped case ( 58 ) being integrally formed with the pivot portion ( 57 ) and having one side in a width direction of the vehicle body opened, and a case cover ( 59 ) for covering the open side of the case ( 58 ), a harness ( 64 ), connected to the electric motor ( 60 ), supported on the case ( 58 ) side at a first position proximate to the electric motor ( 60 ), and pulled out towards a front side of the vehicle body from the arm portion ( 100 ) through a harness supporting portion arranged at a front wall ( 597 ) of the case cover ( 59 ) at a second position on the pivot portion ( 57 ) side is arranged, and the case cover ( 59 ) includes an extended cover portion ( 591 ) having a guiding wall ( 594 ) for guiding a portion of the harness ( 64 ) pulled out from the arm portion ( 110 ) to a line along with the width direction of the vehicle body on the front side of the vehicle body.