| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a speed reduction mechanism which can sufficiently supply lubrication oil to a bearing in the vicinity of a rotating axial line, and a motor rotation force transmission device equipped with the same. <P>SOLUTION: The speed reduction transmission mechanism 5 comprises: a speed reduction part A having an input member 50 composed of an outer tooth gear which performs circular motion while having a prescribed eccentric amount δ around a rotating axial line O, and a self-rotation force imparting part 52 composed of an inner tooth gear which is engaged with the input member 50 while having a larger number in teeth than those of the input member; and a lubrication oil supply part B which supplies the lubrication oil to a ball bearing 54 of the speed reduction part A. The lubrication oil supply part B has an oil tank 60 arranged outside the self-rotation force imparting member 52, an oil lead-out passage 61 which leads out the lubrication oil to the oil tank 60 from a space C formed between the input member 50 and the self-rotation force imparting member 52, and an oil lead-in passage 63 which leads the lubrication oil into the ball bearing 54 from the oil tank 60 (first oil lead-in passage 630). The speed reduction transmission mechanism leads out the lubrication oil to the oil lead-out passage 61 from the space C by the pump action of the input member 50 based on the circular motion. <P>COPYRIGHT: (C)2013,JPO&INPIT |
