| 摘要 |
PROBLEM TO BE SOLVED: To efficiently realize lubrication and refrigeration of a shock absorbing mechanism. SOLUTION: An oil injection nozzle 37 to inject lubricating oil toward a shock absorbing mechanism is set in a gear housing 17 to store a drive shaft, a reduction gear and the shock absorbing mechanism on a driving gear of an engine in which the reduction gear 27 is arranged through the shock absorbing mechanism 28 on the drive shaft 26 and this reduction gear transmits motive power from a crankshaft 12 of the engine 10 to the drive shaft 26 through the shock absorbing mechanism 28. |
