撓み噛合い式歯車装置

Abstract

To suitably fit a vibrating body and a vibrating body bearing.SOLUTION: A deflection engagement type gear device 1 comprises a vibrating body 10A, an external gear 12 deflected and deformed by the vibrating body 10A; internal gears 22g and 23g engaged with the external gear 12, and a vibrating body bearing 15 arranged between the vibrating body 10A and the external gear 12. The vibrating body bearing 15 is separate from the vibrating body 10A, and comprises an inner ring 15A externally fitted to the vibrating body 10A. The inner periphery length of the inner ring 15A of the vibrating body bearing 15 is larger than the outer peripheral length of the vibrating body 10A.SELECTED DRAWING: Figure 2

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