| 摘要 |
<p>A powered hinge for adjusting the position of inclination of a vehicle's seatbacks has a planetary gear train in which are fixed to the vehicle a pair of bifurcated internal gears (14) between which is coaxially supported for relative bidirectional rotation a driven internal gear (22) attached to the seatback and driven by the second of a pair of compounded external gears (32,34), the first of which (32) is bifurcated axially and disposed on either side of the second (34) to form a satellite (30) which is driven eccentrically with rolling, planetary motion within the fixed pair of internal gears by means of an eccentric cam (40) rotated bidirectionally by, e.g. a shaft (50) driven by an electric motor (60).</p> |
