| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric power steering device capable of reducing the noise of a decelerator smaller than before without complicating the structure of a decelerator regardless of the magnitude of backlash at the time of combining a small gear and a large gear with each other. SOLUTION: Intrusion preventive members B1, B2 to prevent the intrusion of a lubricant composite are provided on roller bearings 34, 35 filling the lubricant composite dispersed with particulates to work to reduce the noise of the decelerator 50 in the decelerator 50 to decelerate an electric motor M for auxiliary steering and to support a worm shaft 11 which is an input shaft of the decelerator 50 free to rotate. It is possible to reduce the noise of the decelerator 50 by the particulates dispersed in the lubricant composite and to prevent the particulates from impairing rotations of the roller bearings 34, 35 by providing the intrusion preventive members B1, B2 on the roller bearings 34, 35. COPYRIGHT: (C)2005,JPO&NCIPI
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