Gear device with torque-dependent and stepless modulation of gear transmission ratio whereby gear is mechanical gear and transmission modulation is based on relative movement between shaft and sleeve
DE102005032255A1
Gear device with torque-dependent and stepless modulation of gear transmission ratio whereby gear is mechanical gear and transmission modulation is based on relative movement between shaft and sleeve
ES265213A1
Improvements in threads for yarn and returning without thread balling (Machine-translation by Google Translate, not legally binding)