| 摘要 |
<p>An eccentrically oscillating gear device (10) is provided with a crank shaft (46) having journal sections (46d, 46e) and eccentric sections (46a, 46b), a transmission gear (44) that is attached to the crank shaft (46) and transmits drive power from a drive source to the crank shaft (46), oscillating gears (48a, 48b) having a through hole through which the eccentric sections (46a, 46b) penetrate and having a tooth section, a case (12), and a carrier (14). The crank shaft (46) has a main section (55) in which the eccentric sections (46a, 46b) and the journal sections (46d, 46e) are provided and a subsidiary section (56) that is provided to allow mating with an end part of the main section (55), it being possible to attach the transmission gear (44) to the subsidiary section (56). The main section (55) and the subsidiary section (56) are formed as separate units and are assembled together.</p> |
