Low inertia actuator

Claim 1

AN ACTUATOR DISPOSED FOR HIGH OUTPUT TORQUES AND MINIMUM INERTIA COMPRISING: A SECTIONAL HOUSING INCLUDING FIRST, SECOND, AND THIRD SECTIONS; MEANS TO SECURE SAID HOUSING SECTIONS TOGETHER; A FIRST SHAFT HAVING AN ECCENTRIC THEREON, SAID SHAFT HAVING BOTH ENDS JOURNALED IN SAID HOUSING; A SECOND SHAFT ROTATABLY SECURED TO SAID HOUSING AND SAID FIRST SHAFT; AN INPUT PINION GEAR SECURED TO SAID SECOND SHAFT; REVERSIBLE MEANS DRIVABLY CONNECTED TO SAID SECOND SHAFT; MEANS FOR CONTROLLING SAID REVERSIBLE MEANS; A SECOND GEAR IN MESH WITH SAID PINION GEAR; A THIRD SHAFT HAVING SAID SECOND GEAR SECURED TO IT, SAID THIRD SHAFT HAVING ONE END JOURNALED IN SAID FIRST SECTION OF SAID HOUSING AND THE OTHER END JOURNALED IN SAID SECOND SECTION OF SAID HOUSING; A THIRD GEAR SECURED TO SAID THIRD SHAFT BETWEEN SAID SECOND GEAR AND SAID JOURNAL IN SAID SECOND SECTION OF SAID HOUSING; A FOURTH GEAR SECURED TO THE SAME END OF SAID FIRST SHAFT AS SAID SECOND SHAFT AND MESHED WITH SAID THIRD GEAR; A FIXED GEAR, PROVIDED WITH INTERNAL TEETH, SECCURED TO SAID SECOND SECTION OF SAID HOUSING; A MOVABLE GEAR, JOURNALED PARTLY IN SAID SECOND SECTION AND PARTLY IN SAID THIRD SECTION OF SAID HOUSING, SAID MOVABLE GEAR HAVING INTERNAL TEETH AND A SECTION OF EXTERNAL TEETH, SAID EXTERNAL TEETH BEING ADAPTED TO FIT A SLOT FORMED BETWEEN SAID LAST-NAMED SECTIONS OF SAID HOUSING; A PAIR OF INTEGRALLY CONNECTED GEARS JOURNALED FOR ROTATION ON SAID ECCENTRIC OF SAID FIRST SHAFT, SAID PAIR OF GEARS ADAPTED TO MESH WITH SAID STATIONARY GEAR AND SAID MOVABLE GEAR, SAID PAIR OF GEARS BEING PROVIDED WITH A SMALLER NUMBER OF TEETH THAN THE GEARS WITH WHICH THEY MESH; A PIVOTED MEMBER HAVING A SECTION OF GEAR TEETH MESHED WITH SAID EXTERNAL TEETH SECTION OF SAID MOVABLE GEAR.