| 摘要 |
A planetary gear system (10) includes a planetary gear assembly (14) having a first planetary gear (28), a second planetary gear (32) rotatable relative t o the first planetary gear, and a torquing mechanism (16). The torquing mechanism generates a torsional spring force of the planetary gear assembly to cause the first planetary gear to rotate along a first direction and the second planetary gear to rotate along a second direction, opposite to the first direction. As a result, the teeth of the first planetary gear contact teeth of a corresponding first stationary ring gear (18-1) and the teeth of the second planetary gear contact teeth of a corresponding second stationary ring gear (18-2) . The torquing mechanism, along with the configuration of t he planetary gear assembly, minimizes or eliminates the presence of gaps betwee n the contacting teeth of the planetary assembly and the stationary gear rings (18) and minimizes backlash within the planetary gear system.
|
