Rotatably driven apparatus for producing parallel movement of cooperating blades

Claim 1

APPARATUS FOR PRODUCING SUBSTANTIALLY PARALLEL MOVEMENT OF COOPERATING INSTRUMENTS COMPRISING A FIRST HOLDER, A SECOND HOLDER, AN INSTRUMENT IN EACH OF SAID HOLDERS, MEANS INCLUDING A FIRST GEAR FOR CAUSING ORBITAL MOVEMENT OF SAID FIRST HOLDER IN A PLANETARY PATH AROUND THE AXIS OF SAID FIRST GEAR, MEANS INCLUDING A SECOND GEAR MESHING WITH SAID FIRST GEAR FOR CAUSING ORBITAL MOVEMENT OF SAID SECOND HOLDER IN A PLANETARY PATH AROUND THE AXIS OF SAID SECOND GEAR, THE INSTRUMENTS BEING SO DISPOSED IN THE HOLDERS AND THE PLANETARY PATHS BEING SO RELATED TO ONE ANOTHER THAT THE INSTRUMENT OF THE FIRST HOLDER HAS OPERATING ENGAGEMENT WITH THE INSTRUMENT OF THE SECOND HOLDER EACH TIME THE HOLDERS COMPLETE AN ORBIT, A ROD PROJECTING FROM AND EXTENDING TRANSVERSELY OF ONE OF SAID HOLDERS AND HAVING SLIDABLE ENGAGEMENT WITH THE OTHER HOLDER TO MAINTAIN THE HOLDERS IN FACING RELATIONSHIP WITH ONE ANOTHER DURING THEIR ORBITAL TRAVEL, THE HOLDER FROM WHICH SAID ROD PROJECTS BEING TILTABLY MOVABLE RELATIVE TO THE ROD FOR ADJUSTING PURPOSES, AND MEANS FOR ADJUSTABLY MAINTAINING A SELECTED POSITION OF TILTABLE MOVEMENT.