| 摘要 |
<p>A flexible engagement gear device (100) of the present invention for higher shock resistance, transmission torque, and transmission efficiency comprises: cylinder-shaped flexible external gears (120A, 120B); and an internal gear for deceleration (130A) and an internal gear for output (130B) that have hardness for internal engagement with the respective external gears (120A, 120B), wherein shapes of gear teeth of the external gears (120A, 120B) that are engaged respectively with the internal gear for deceleration (130A) and the internal gear for output (130B) are identical to each other, and the external gears (120A, 120B), the internal gear for deceleration (130A), and the internal gear for output (130B) have gear tooth shapes so that both the number of simultaneous engagement teeth (Nph) between the external gear (120A) and the internal gear for deceleration (130A) and the number of simultaneous engagement teeth (Npl) between the external gear (120B) and the internal gear for output (130B) can be 2 or higher.</p> |
