| 摘要 |
<P>PROBLEM TO BE SOLVED: To sufficiently supply lubricant into a meshing region of both of a small gear and a large gear in a gear reduction gear mechanism having mutually meshing small gear and large gear. <P>SOLUTION: This gear reduction gear mechanism is provided with a lubricant collection part 37 for collecting lubricant (refer to arrow mark G1) fed along a first axial direction S1 from the meshing region A of both gears 26, 27 and a return passage 39 for returning lubricant in the lubricant collection part 37 into a rear part 38 of the meshing region A of the small gear 26 to return lubricant fed out from the meshing region A into the meshing region A again. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
