| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a gear transmission device with a structure that can suppress the displacement of an eccentric body and an external gear. <P>SOLUTION: The gear transmission device 100 includes a case 30, a carrier 2, a crankshaft 12, and two external gears 20. An internal gear 32 is formed at the inner periphery of the case 30. The carrier 2 is supported by the case 30 coaxially with the internal gear 32. The crankshaft 12 is supported by the carrier 2, and has two eccentric bodies 14. The two external gears 20 are engaged with the two eccentric bodies 14, respectively. The two external gears 20 rotate eccentrically while being geared with the internal gear 32. In the gear transmission device 100, a disk 22 whose position in the axial direction is regulated is provided at the crankshaft 12. The disk 22 is sandwiched by the two external gears 20 so that the movement in the axial direction of the crankshaft 12 is regulated. <P>COPYRIGHT: (C)2013,JPO&INPIT |
