| 摘要 |
PROBLEM TO BE SOLVED: To ensure ride comfort and traveling performance, without impairment of wide flexibility in a motor installing position that is a merit of motor driving, concerning an automobile motor-driving a wheel which is not steered. SOLUTION: In a driving force transmitting device, a motor 3 for driving a hub shaft 4 of a wheel adopting a suspension of a trailing arm system wherein positional relation between a trailing arm 5 and a knuckle 9 is not changed is attached to a vehicle body 1 side, and driving force of the motor 3 is transmitted to a hub shaft 4. A fixed type constant velocity universal joint 10 positioning a joint center on a rotation shaft 5a of the trailing arm 5 is provided, thereby making a driving force transmitting direction smoothly follow a rotating direction of the trailing arm 5 at a joint center of the fixed type constant velocity universal joint 10. Ride comfort and traveling performance can be ensured without impairment of wide flexibility in the motor installing position that is a merit of motor driving. COPYRIGHT: (C)2005,JPO&NCIPI
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