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Claim 1

A CHARACTER SELECTION MECHANISM FOR PRINTING DEVICES COMPRISING A CHARACTER BEARING ELEMENT, A PRINTING MEMBER AND MEANS FOR POSITIONING SAID CHARACTER BEARING ELEMENT RELATIVE TO SAID PRINTING MEMBER, SAID COMPRISING AN INTERMITTENTLY ROTATABLE MEMBER, MEANS FOR INTERMITTENLY ROTATING ROTATABLE MEMEBER, MEANS FOR TO PROVIDE A SHORT STATIONARY INTERVAL BETWEEN EACH INTERVAL OF ROTATION, A DRIVE ELEMENT FOR MOVING SAID CHARACTER BEARING ELEMENT RELATIVE TO THE PRINTING MEMBER, AND A SELECTIVELY OPERABLE COUPLING MEANS FOR COUPLING SAID DRIVE ELEMENT TO SAID INTERMITTENTLY ROTATABLE MEMBER FOR MOVEMENT THEREBY, SAID COUPLING MEANS COMPRISING A MECHANICAL MOTION SUMMING DEVICE INCLUDING A PLURALITY OF ELEMENTS EACH, WHEN COUPLED TO SAID INTERMITTENTLY ROTATABLE MEMBER BEING MOVABLE BETWEEN A FIRST AND A SECOND POSITION FOR APPLYING MECHANICAL MOTIONS TO SAID SUMMING DEVICE WHICH, RESPECTIVELY, REPRESENT A ZERO AND A DIFFERENT SELECTED MULTIPLE OF A SPECIFIED UNIT OF MOTION AND MEANS FOR AT WILL COUPLING EACH OF SAID PLURALITY OF ELEMENTS TO SAID INTERMITTENTLY ROTATABALE MEMBER DURING SAID STATIONARY INTERVAL.