| 摘要 |
PROBLEM TO BE SOLVED: To provide a gear device excellent in mountability while having a high speed change ratio.SOLUTION: A gear device 1 comprises an input gear 3 arranged at an input shaft 2, a face gear 4 engaged with the input gear 3 and a planetary gear mechanism 15 in which a sun gear being an input element is integrally arranged at the face gear 4. Furthermore, a ring gear 12 being a fixed element of the planetary gear mechanism 15 is arranged inside the radial direction of teeth 6 at the side of the teeth 6 of the face gear 4. Then, a bearing 31 for pivoting the tip 2a of the input shaft 2 is formed at the ring gear 12. |
