Installation for the double control of the pedals in motor vehicles

Claim 1

IN A MOTOR VEHICLE, MAIN PEDAL MEANS HAVING A NORMAL POSITION OF REST AND AUXILIARY PEDAL MEANS ALSO HAVING A NORMAL POSITION OF REST, A DRIVING PISTON OPERATIVELY CONNECTED TO SAID AUXILIARY PEDAL MEANS TO BE ACTUATED THEREBY, A DRIVEN PISTON, A PAIR OF CYLINDERS IN WHICH SAID PISTONS ARE RESPECTIVELY SLIDABLE, AND CONDUIT MEANS EXTENDING BETWEEN AND COMMUNICATING WITH SAID CYLINDERS AND FORMING THEREWITH A CLOSED HYDRAULIC CIRCUIT BETWEEN SAID PISTONS, A HYDRAULIC LIQUID FILLING SAID CIRCUIT, SO THAT SAID DRIVEN PISTON MOVES IN RESPONSE TO MOVEMENT OF SAID DRIVING PISTON, SPRING MEANS ACTING ON SAID DRIVEN PISTON FOR URGING THE LATTER TO AN INITIAL POSITION WHERE SAID DRIVEN PISTON THROUGH SAID LIQUID SITUATES SAID DRIVING PISTON AT A LOCATION WHICH SITUATES SAID AUXILIARY PEDAL MEANS AT SAID NORMAL POSITION OF REST THEREOF, SO THAT SAID AUXILIARY PEDAL MEANS IS ACTUATED IN OPPOSITION TO SAID SPRING MEANS TO DISPLACE SAID PISTONS WHILE SAID SPRING MEANS WILL ACT THROUGH SAID DRIVEN PISTON DURING RETURN OF THE LATTER TO SAID INITIAL POSITION TO DISPLACE THE LIQUID IN SAID CLOSED CIRCUIT AND SAID DRIVING PISTON BACK TO SAID LOCATION WHERE SAID AUXILIARY PEDAL MEANS IS AGAIN IN ITS NORMAL POSITION OF REST, AND MOTION TRANSMITTING MEANS HAVING ONLY AN ABUTTING ENGAGEMENT WITH SAID DRIVEN PISTON AND CONNECTED TO SAID MAIN PEDAL MEANS FOR TRANSMITTING MOVEMENT OF SAID DRIVEN PISTON TO SAID MAIN PEDAL MEANS SO THAT, WHEN SAID MAIN PEDAL MEANS IS ACTUATED, IT WILL DISPLACE ONLY SAID MOTION TRANSMITTING MEANS WHILE SAID AUXILIARY PEDAL MEANS REMAINS IN ITS NORMAL POSITION OF REST WHEREAS, WHEN SAID AUXILIARY PEDAL MEANS IS ACTUATED, IT WILL DISPLACE SAID DRIVEN PISTON TO ACT THROUGH SAID MOTION TRANSMITTING MEANS ON SAID MAIN PEDAL MEANS.