DISPOSITIF DESTINE A ENGENDRER UN MOUVEMENT ROTATOIRE INTERMITTENT

摘要

An intermittent, rotary motion mechanism which operates at the resonant frequency of its rotating system. The rotating system includes an input member, at least first and second output members (like first and second printer drums in a high-speed printer), and a resilient member (like a torsion shaft) interconnecting the first and second drums. An exciter (like a magnetic oscillator) is used to start the rotating system and keeping it oscillating at its resonant frequency to cause the first and second printer drums to dwell a predetermined number of times for each complete revolution of the input member as the input member is rotated at a constant velocity. The first printer drum experiences a dwell at a time when the second printer drum is rotating at substantially twice the velocity of the input member. More than two output members are utilized in other embodiments.