| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily obtain the meshing accuracy of both a transmission bevel gear and a takeout bevel pinion, and to reduce the number of part items by supporting the transmission bevel gear and the takeout bevel pinion on the back face side of a rear shaft support holder. <P>SOLUTION: This power transmission device includes a pump power takeout means 60 for detachably installing the rear shaft support holder 28 in a transmission case M, supporting a shaft of a second shift mechanism, penetratingly arranging a PTO driving shaft 16 and transmitting the power of the PTO driving shaft to a hydraulic pump 61 installed on an outer surface of a front transmission case between the rear shaft support holder and a PTO clutch 18. The pump power takeout means includes the transmission bevel gear 62 installed on the PTO driving shaft and the takeout bevel pinion 63 meshing with the transmission bevel gear 62 and detachably connected to a pump shaft of the hydraulic pump. A gear holding part 28e for supporting the transmission bevel gear and a pinion holding part 28f projecting backward and supporting the takeout bevel pinion are arranged at the back face side of the rear shaft support holder. <P>COPYRIGHT: (C)2012,JPO&INPIT |
