Variable automatic speed regulator

Claim 1

A CONTROL MECHANISM FOR CONTROLLING THE SPEED OF THE ENGINE OF A MOTOR VEHICLE HAVING A THROTTLE AND HAVING MEANS BIASING SAID THROTTLE TOWARDS A SPEED DECREASING DIRECTION, SAID CONTROL MECHANISM COMPRISING A SLEEVE, AN ELECTRO-MAGNETIC COIL DISPOSED AROUND SAID SLEEVE, AN INNER PLUNGER SLIDABLY MOUNTED IN SAID SLEEVE, AN OUTER PLUNGER SLIDABLY MOUNTED IN SAID SLEEVE AND ADAPTED FOR MOVEMENT INTO AND OUT OF ABUTMENT WITH SAID INNER PLUNGER , SAID OUTER PLUNGER BEING PROVIDED WITH AN OUTWARDLY OPENING CHAMBER, ELECTRICAL CIRCUIT MEANS COUPLED TO SAID ELECTRO-MAGNETIC COIL TO ENERGIZE THE COIL AND ESTABLISH A MAGNETIC FIELD THEREAROUND, MEANS COUPLING SAID OUTER PLUNGER AND SAID THROTTLE, SAID OUTER PLUNGER BEING HELD IN CONTACT WITH SAID INNER PLUNGER BY SAID MAGNETIC FIELD WHEREBY HOLDING SAID THROTTLE AT A SET ENGINE SPEED; SAID COUPLING MEANS FOR SAID PLUNGER BY SAID THROTTLE BEING ARRANGED TO PERMIT INDEPENDENT ADVANCE OF SAID THROTTLE RELATIVE TO SAID OUTER PLUNGER AND COMPRISING A RETAINING RING REMOVABLY MOUNTED IN SAID CHAMBER, A FOLLOWER SLIDABLY MOUNTED IN SAID CHAMBER INWARDLY OF SAID RETAINING RING, A ROD FIXEDLY MOUNTED ON SAID FOLLOWER ADJACENT ONE END OF THE ROD AND EXTENDING OUTWARDLY FROM THE FOLLOWER, AND MEANS OPERABLY LINKING SAID ROD ADJACENT THE OTHER END THEREOF TO SAID THROTTLE; ACTUATOR MEANS COUPLED TO SAID INNER PLUNGER FOR SETTING THE POSITION OF THE INNER PLUNGER, SPEED SELECTOR MEANS FOR SELECTING THE DESIRED SPEED OF THE VEHICLE, PUMP MEANS RESPONSIVE TO THE SPEED OF HE ENGINE OF THE VEHICLE AND SUBSTANTIALLY DIRECTLY PROPORTIONAL THERETO, SPEED SENSOR MEANS RESPONSIVE TO SAID SPEED SELECTOR MEANS AND SAID PUMP MEANS AND COUPLED TO SAID ACTUATOR MEANS FOR OPERATING SAID ACTUATOR MEANS TO POSITION SAID INNER PLUNGER.