| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress noise or vibration caused by opening and closing of a backlash of gear meshing by using supply of a lubricant. Ž<P>SOLUTION: The gear is equipped with a lubricant jet hole jetting out the lubricant from a bottom toward the backlash caused when the gear is meshed with another gear in a relationship principally of driving/driven. The lubricant jet hole is radially extended from a bearing hole, and it receives the lubricant from the bearing. In a structure wherein a support structure part of the bearing does not rotate, a lubricant supply passage aligning with the lubricant jet hole when the gear is in a rotational position aligning the lubricant jet hole with the backlash is provided in a support shaft part of the bearing, and the lubricating device atomizes the lubricant to supply it to the lubricant supply passage of the bearing. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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