Car door actuator device

Claim 1

AN ACTUATOR FOR OPERATING A VEHICLE''S DOOR HAVING A DOOR LATCH MECHANISM, PARTICULARLY A THICK HOLLOW DOOR HAVING AN INNER WALL AND AN OUTER WALL AND HINGEDLY SECURED TO AN ADJACENT PART OF SAID VEHICLE FOR ROTATION RELATIVELY THERETO ABOUT A HINGE AXIS LOCATED NEAR ONE EDGE OF SAID DOOR AND CLOSE TO THE OUTER WALL THEREOF, SAID ACTUATOR BEING LOCATED BETWEEN THE WALLS AND COMPRISING A STRAIGHT TRACK AT RIGHT ANGLE TO THE HINGE AXIS AND SECURED TO ONE OF SAID WALLS, A NUT BLOCK SLIDABLY MOUNTED ON SAID TRACK; A REVERSIBLE ELECTRIC MOTOR SLIDABLY MOUNTED ON SAID TRACK HAVING A LONG SCREW THREADED SHAFT PARALLEL TO SAID TRACK AND PROJECTING THROUGH A CORRESPONDINGLY THREADED HOLE ACROSS SAID NUT BLOCK; A BEARING BLOCK SLIDABLY MOUNTED ON SAID TRACK; SAID SHAFT TERMINATING INTO SAID BEARING BLOCK FOR SIMULTANEOUS AXIAL DISPLACEMENT THEREWITH AND FREE ROTATION THEREIN; A CONNECTOR ROD SECURED AT ONE END TO SAID BEARING BLOCK AND FREELY ROTATABLE ABOUT AN AXIS ESSENTIALLY PARALLEL TO THE HINGE AXIS AND SIMILARLY AT THE OTHER END THEREOF TO AN ADJACENT PART OF SAID VEHICLE AT A POINT THEREOF WHICH IS INWARDLY OFFSET FROM THE HINGE AXIS OF THE DOOR; COOPERATING MEANS ON SAID NUT BLOCK ON SAID TRACK; SPRING MEANS URGING SAID NUT NUT BLOCK ON SAID TRACK; SPRING MEANS URGING SAID NUT BLOCK IN THE DIRECTION OF SAID BEARING BLOCK, AND A CABLE CONNECTED TO THE SAID NUT BLOCK AND TO THE DOOR LATCH MECHANISM; ANY DISPLACEMENT OF SAID NUT BLOCK AGAINST THE ACTION OF SAID SPRING MEANS BEING TRANSMITTED BY SAID CABLE TO THE LATCH MECHANISM SO AS TO CAUSE UNLATCHING OF SAID DOOR.