| 摘要 |
The invention relates to a harmonic drive which can be equipped with an integrated, smooth shifting, idle-motion shift coupling by means of a driving core (11) which flares in a conical manner and can be displaced axially in relation to the inner gear, between a disengaged area (12.2) and an elliptical drive area (12.1). A shifting dog which engages in a continuous groove (16) on the driving core suffices for the axial displacement of the latter in the inner gear.
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