Machine drive with non round gears capable of producing translatory motions according to laws which can be altered steplessly or in very small steps

摘要

The drive incorporating a gear unit (10) with at least one pair of non round gears (3, 4) in mesh with a periodically varying transmission ratio, and at least one link (7) connected to a translatory element (8) is characterized in that the connection between the output gear (4) and the link (7) is provided with at least one rotation device (5).