Planetary-harmonic motor

Details Planetary-harmonic motor Planetary-harmonic motor

2006-08-08

2006-08-08

Pang, Roger (Department: 3681)

Machine element or mechanism

Gearing

Reexamination Certificate

active

07086309

ABSTRACT:
A motor suitable for use in a medical imaging environment has (a) a centrally located means for actuating a radial wave, (b) a deformable flexspline having an inner surface and a toothed outer surface with a first specified number of teeth, and (c) a circular spline having a toothed inner surface with a second specified number of teeth which is different than the first specified number of teeth in the flexspline, wherein the actuation means is operable so that the action of its radial wave causes at least one of the flexspline teeth to engage at a point the toothed side of the circular spline in such a manner that an engagement point passes as a wave around the inner perimeter of the circular spine, with the movement of this engagement point causing the flexspline to rotate around its central axis.

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