Operating range selection of an automatic transmission
Orbital sprocket drive
Orbital transmission
Oscillating inner gearing planetary gear system
Oscillating internally meshing planetary gear system
Oscillatory roller transmission
Outboard planetary gear assembly for tracked vehicles
Outer tooth profile of planetary gear apparatus
Output assembly for a north-south transaxle
Output shaft supporting apparatus for automatic transmission
Output split electrically-variable transmission with...
Output-split and compound-split infinitely variable...
Over-center linkage for engaging a locking differential or...
Over-drive gear device
Overdrive unit
Overrunning clutch assembly