Hydraulic brake system

Claim 1

A HYDRAULIC BRAKING SYSTEM COMPRISING: A BRAKE ACTUATOR, AN ELECTRIC MOTOR DRIVEN PUMP, A RESERVIOR, A SPOOL VALVE ASSEMBLY INCLUDING A HOUSING AND SLIDABLE SPOOL VALVE THEREIN CONTROLLING FLOW FROM THE PUMP TO THE RESERVOIR AND ACTUATOR, A PASSAGEWAY CONNECTING ONE END OF THE SPOOL VALVE WITH PRESSURIZED FLUID FROM THE PUMP, A PIVOTALLY MOUNTED LINK, MEANS CONNECTING SAID LINK AND THE OTHER END OF SAID SPOOL VALVE TO RECIPROCATE THE VALVE IN THE HOUSING AS THE LINK IS SWUNG ABOUT ITS PIVOT, A MANUAL ACTUATOR FOR SWINGING SAID LINK ABOUT ITS PIVOT, A FIRST ELECTRICAL CONTACT ON SAID LINK, A SECOND ELECTRICAL CONTACT COATING WITH SAID FIRST CONTACT AND FORMING A STOP FOR THE LINK, A CIRCUIT CONTROLLED BY SAID CONTACTS TO ENERGIZE AND DEENERGIZE SAID MOTOR DRIVEN PUMP, WHEREBY MANUAL MANIPULATION OF SAID MANUAL ACTUATOR WILL TILT THE LINK TO ENGAGE THE CONTACT FOR STARING THE PUMP TO SUPPLY PRESSURIZED FLUID THROUGH THE VALVE ASSEMBLY TO THE BRAKE ACTUATOR AND WILL THEN SLIDE THE SPOOL VALVE TO CONTROL FLOW BETWEEN THE PUMP AND RESERVOIR WHILE BY-PASSED FLUID WILL OPPOSE THE SLIDING OF THE VALVE TO PRODUCE A FEEL ON THE MANUAL ACTUATOR.