Patent ID: 9531237
Filing Date: 2016-12-27
CPC Classification: E02B,F16H,H02K

Claim Text:
1. A dual output pinion rack drive, comprising: a rack, said rack includes a first side and a second side; said first side of said rack includes first teeth and said second side of said rack includes second teeth; a motor; an epicyclic gearbox; said epicyclic gearbox includes: a first spur output pinion, a large ring gear, and an end plate, said first spur output pinion, said large ring gear and said end plate affixed together and rotatable together; a second spur output pinion, a connection plate, and a small ring gear, said second spur output pinion, said connection plate, and said small ring gear affixed together and rotatable together; an input shaft driven by said motor; a sun gear affixed to said input shaft; a rotationally floating carrier; a first planet gear and a second planet gear, said first planet gear and said second planet gear being concentric with each other, said first planet gear and said second planet gear being integral with each other such that said first planet gear and said second planet gear are rotatable together; a planet pin affixed to said floating carrier; said first planet gear and said second planet gear rotatably mounted on said planet pin; said first planet gear engages said large ring gear driving said large ring gear and said first spur output pinion in a first rotation direction; said second planet gear engages said small ring gear driving said small ring gear and said second spur output pinion in a second rotation direction; none of said floating carrier, said sun gear, said input shaft, said second spur output pinion, said large ring gear, said end plate, said first spur output pinion, said connection plate and said small ring gear being rotationally fixed, with respect to a stationary element; said first spur output pinion drives a first compound intermediate gear set, said first compound intermediate gear set drives a first final output planetary gear system, said first final output planetary gear system includes a first final output planetary gear system carrier, and said first output planetary gear system carrier of said first planetary gear system drives a first rack driving output pinion, said first rack driving output pinion includes teeth, and, said teeth of said first rack driving output pinion engage said first teeth of said first side of said rack; and, said second spur output pinion drives a second compound intermediate gear set, said second compound intermediate gear set drives a second final output planetary gear system, said second final output planetary gear system includes a second final output planetary gear system carrier, and said second output planetary gear system carrier of said second planetary gear system drives a second rack driving output pinion, said second rack driving output pinion includes teeth, and, said teeth of said second rack driving output pinion engage said second teeth of said second side of said rack.