| 摘要 |
PROBLEM TO BE SOLVED: To provide a power transmission device capable of improving the set degree of freedom of the gear specifications while suppressing an increase in the manufacturing cost.SOLUTION: A power transmission device 1 includes a first sun wheel and a second sun wheel as inscribed wheels coaxially arranged on a center axis, a plurality of planetary wheels arranged on the inner periphery side of the first sun wheel, a first transmission member bridged over the outer peripheries of the plurality of first planetary wheels and engaging with the first sun wheel while being inscribed therewith, a plurality of second planetary wheels provided integrally with the plurality of first planetary wheels, a second transmission member bridged over the outer peripheries of the plurality of second planetary wheels and engaging with the second sun wheel while being inscribed therewith, and a carrier rotatably supporting the plurality of first planetary wheels and the plurality of second planetary wheels.SELECTED DRAWING: Figure 1 |
