Automatic steering apparatus

Claim 1

IN A SYSTEM FOR AUTOMATICALLY OPERATING THE STEERING MECHANISM OF A VEHICLE TO PERMIT THE VEHICLE TO BE BACKED INTO A PARKING SPACE, THE COMBINATION OF A SOURCE OF FLUID PRESSURE, MEANS CONNECTING SAID SOURCE OF PRESSURE AND SAID STEERING MECHANISM AND INCLUDING VALVE MEANS, SOLENOID MEANS TO OPERATE SAID VALVE MEANS FOR ESTABLISHING A FLUID CIRCUIT TO TURN THE WHEELS OF THE VEHICLE IN ONE DIRECTION AND TO ESTABLISH A FLUID CIRCUIT TO TURN THE WHEELS IN THE OPPOSITE DIRECTION, ELECTRICAL CIRCUIT MEANS TO ENERGIZE SAID SOLENOID MEANS, A SOURCE OF ELECTRICAL POWER, SWITCH MEANS IN SAID ELECTRICAL CIRCUIT MEANS TO ESTABLISH THE FLOW OF CURRENT FROM THE ELECTRICAL POWER SOURCE TO THE SOLENOID MEANS, DRIVING MEANS, DRIVEN MEANS, MEANS CARRIED BY SAID DRIVEN MEANS TO OPERATE SAID SWITCH MEANS TO EFFECT PREDETERMINED OPERATION OF THE SOLENOID MEANS AND THE VALVE MEANS THEREBY, SAID DRIVING MEANS AND SAID DRIVEN MEANS BEING NORMALLY OUT OF OPERATIVE ENGAGEMENT, MEANS FOR ESTABLISHING THE OPERATIVE CONNECTION BETWEEN SAID DRIVING MEANS AND SAID DRIVEN MEANS, AND A MANUALLY CONTROLLED MEANS FOR ENERGIZING SAID LAST NAMED MEANS TO ESTABLISH SAID OPERATIVE CONNECTION.