Automatic brake device

Claim 1

AN AUTOMATIC BRAKE DEVICE FOR AN AUTOMATIVE VEHICLE WHICH INCLUDES: VEHICLE WHEELS, A HYDRAULIC BRAKE SYSTEM CONNECTED TO SAID WHEELS, TO RESTRAIN SAID WHEELS SO AS TO INHIBIT ROTATION OF SAID WHEELS, MEANS TO ACCELERATE SAID VEHICLE WHEELS, SAID MEANS TO ACCELERATE BEING CONNECTED TO SAID WHEELS AND ADAPTED TO ACCELERATE SAID WHEELS SO AS TO ROTATE SAID WHEELS, SAID HYDRAULIC BRAKE SYSTEM INCLUDING PUMP MEANS CONNECTED TO SUPPLY HYDRUALIC FLUID UNDER PRESSURE TO RESTRAIN SAID WHEELS; PUMP ACTUATING MEANS CONNECTED TO SAID PUMP, SAID PUMP ACTUATING MEANS COMPRISING PRESSURE DIFFERENTIAL SENSITIVE MEANS COMPRISING MEANS DEFINING A SPACE AND TIVE MEANS COMPRISING MEANS DEFINING A SPACE AND MOVABLE MEANS EXTENDING ACROSS SAID DEFINING MEANS SO THAT SAID MOVABLE MEANS DIVIDES SAID SPACE INTO FIRST AND SECOND VOLUMES, SAID MOVABLE MEANS BEING CONNECTED TO SAID PUMP MEANS SO THAT MOVEMENT OF SAID MOVABLE MEANS IN A FIRST DIRECTION CAUSES SAID PUMP MEANS TO SUPPLY HYDRAULIC FLUID UNDER PRESSURE TO SAID BRAKE SYSTEM AT SAID SHEELS, MEANS CONNECTED TO SAID MOVABLE MEMBER TO URGE SAID MOVABLE MEMBER IN ONE DIRECTION; ROTARY VALVE MEANS, SAID ROTARY VALVE MEANS HAVING FIRST, SECOND AND THIRD PORTS, SAID FIRST PORT BEING CONNEXTED TO ONE OF SAID VOLUMES TO CONTROL THE FLUID PRESSURE ADJACENT ONE SIDE OF SAID MOVABLE MEANS, SAID SECOND AND THIRD PORTS BEING CONNECTED TO FLUID SUPPLY SUPPLY MEANS UNDER DIFFERNET PRESSURES, A VALVE SPOOL WITHIN SAID ROTARY VALVE MEANS, SAID VALVE SPOOL BEING ARRANGE SO THAT ROTATION OF SAID VALVE SPOOL SELECTIVELY PLACES SAID SECOND PORT IN COMMUNICATION WITH SAID FIRST PORT AND PLACES SAID THIRD PORT IN COMMUNICATION WITH SAID FIRST PORT; SAID MEANS TO ACCELERATE COMPRISING A CONTROL PEDAL,J SAID CONTROL PEDAL BEING CONNEXTED TO CONTROL THE ACCELERATION OF SAID WHEELS, SAID CONTROL PEDAL BEING CONNECTED TO SAID ROTARY VALVE MEANS SO AS TO TOTATE SAID ROTARY VALVE MEANS AND THUS CONTROL THE ACTUATION OF SAID VEHICLE BRAKE SYSTEM.