Automatic regulator for machine tools and the like

Claim 1

AN AUTOMATIC REGULATOR FOR SIMULTANEOUSLY CONTROLLING THE ROTATIONAL SPEED AND THE RATE OF THE FEED OF TOOLS IN MACHINE TOOLS, SAID REGULATOR COMPRISING, IN COMBINATION, A DIFFERNTIAL GEAR ASSEMBLY CONSISTING OF A TWOSTAGE PLANET WHEEL SYSTEM INCLUDING A ROTARY HOUSING, FIRST AND SECOND SUN WHEELS MEANS COAXIALLY RECEIVED IN SAID HOUSING, FIRST AND SECOND SHAFT MEANS COAXIALLY CONNECTED WITH SAID FIRST AND SECOND SUN WHEEL MEANS, RESPECTIVELY, AT LEAST ONE PAIR OF COAXIALLY ARRANGED PLANET WHEELS, SAID PAIR OF PLANET WHEELS HAVING A COMMON SHAFT ROTATABLY MOUNTED IN SAID HOUSING, ONE OF SAID PAIR OF PLANET WHEELS MESHING WITH SAID FIRST SUN WHEEL MEANS AND THE OTHER OF SAID PAIR OF PLANET WHEEL MESHING WITH SAID SECOND SUN WHEEL MEANS, AND GEAR MEANS COAXIALLY CONNECTED WITH SAID FIRST SHAFT MEANS; A SOURCE OF POWER DRIVINGLY CONNECTED WITH SAID GEAR MEANS FOR ROTATING SAID FIRST SUN WHEEL MEANS AND FOR THEREBY ROTATING SAID SECOND SUN WHEEL MEANS AND SAID HOUSING; A TOOL SUPPORTING SPINDLE COAXIALLY CONNECTED TO AND ROTATABLE WITH SAID HOUSING; TOOL FEEDING MEANS; AND A DRIVING CONNECTION BETWEEN SAID SECOND SHAFT MEANS AND SAID TOOL FEEDING MEANS, SAID PLANET WHEEL SYSTEM OPERATING IN SUCH A MANNER THAT THE SUN OF FORCES RESPECTIVELY TRANSMITTED BY SAID HOUSING TO SAID SPINDLE AND BY SAID SECOND SHAFT MEANS TO SAID TOOL FEEDING MEANS EQUALS THE FORCE TRANSMITTED BY SAID SOURCE OF POWER TO SAID GEAR MEANS, AND THAT A REDUCTION IN FORCE TRANSMITTED TO SAID FEEDING MEANS CAUSES AN INCREASE IN FORCE TRANSMITTED TO SAID SPINDLE, OR VICE VERSA.