ELECTRIC POWER STEERING DEVICE

摘要

PROBLEM TO BE SOLVED: To prevent generation of a noise in an electric power steering device. SOLUTION: The electric power steering device for transmitting assist torque of an electric motor 2 to a steering shaft by a worm 10 and a worm wheel 9 housed in a housing 5 is provided with one end side support bearing 12 for supporting one end side of the worm 10; the other end side support bearing 13 for supporting the other end side of the worm 10; a first elastic member 14 for elastically supporting the other side support bearing 13 by the housing 5; and a second elastic member 15 positioned nearer the one end side of the worm 10 than the first elastic member 14, interposed between the other end side support bearing 13 and the housing 5, and comprising a resin material or a rubber material. A predetermined space 27 is provided between the second elastic member 15 and the other end side support bearing 13. COPYRIGHT: (C)2005,JPO&NCIPI