| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide technology for setting specifications of a sun gear without depending on diameter and a material of a crank shaft. <P>SOLUTION: This planetary gear type power device 60 includes a driving shaft 61 to which the sun gear 72 is attached, a driven shaft 75 attached coaxially C with the driving shaft 61 and attached to a casing 17 rotatably, a supporting body 74 to which the driven shaft 75 is attached, a plurality of planetary gears 73, etc. mounted on the supporting body 74 rotatably and meshing with the sun gear 72, planetary gears 73, etc. attached to the casing 17 rotatably to mesh with these planetary gears 73, etc., and a braking means 78 provided in the casing 17 to stop rotation of a ring gear 76 or allow its rotation as main elements. The driving shaft 61 is provided with a tapered shaft part 121 at a shaft end, a boss member 71 is fitted into the tapered shaft part 121, the gun gear 72 is formed in the boss member 71, and the boss member 71 is fixed to the driving shaft 61 by a fixing bolt 82. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
