Motor operated screw jack

Claim 1

A MOTOR JACK COMPRISING, IN COMBINATIION: (A) A MOTOR HAVING A STATOR AND A ROTOR, SAID STATOR INCLUDING A FIELD COIL HAVING TWO TERMINALS; (B) A SHAFT FIXEDLY ATTACHED TO SAID ROTOR; (C) A FIRST PINION ON SAID SHAFT: (D) A SWITCH MOUNTED ON SAID MOTOR, SAID SWITCH INCLUDING (1) A SWITCH COVER FORMED WITH TWO OPENINGS, (2) TWO RESILIENT CONDUCTIVE MEANS ATTACHED TO SAID COVER, EACH CONDUCTIVE MEANS HAVING TWO MOVABLE END PORTIONS, (3) TWO PUSH BUTTON MEMBERS SLIDABLY GUIDED IN RESPECTIVE OPENINGS OF SAID SWITCH COVER, A PAIR OF RESPECTIVE END PORTIONS OF SAID RESILIENT CONDUCTIVE MEANS ENGAGING EACH OF SAID PUSH BUTTONS AND NORMALLY HOLDING THE SAME IN A POSITION IN WHICH THEY OUTWARDLY PROJECT FROM SAID COVER; (4) A PAIR OF FIXED CONTACTS ALIGNED WITH EACH OF SAID PUSH BUTTONS IN THE DIRECTION OF SLIDING MOVEMENT THEREOF FOR CONTACT WITH RESPECTIVE END PORTIONS OF SAID ASSOCIATED PAIR OF END PORTIONS WHEN SAID PUSH BUTTON IS PRESSED INWARD OF SAID COVER FROM SAID POSITION; (E) TWO LEADS RESPECTIVELY CONNECTED TO ONE OF SAID RESILIENT CONDUCTIVE MEANS AND TO ONE OF THE TERMINALS OF SAID FIELD COIL; (F) PLUG MEANS CONNECTED TO SAID LEADS FOR CONNECTING THE SAME WITH AN ELECTRIC CIGARETTE LIGHTER SOCKET IN A MOTOR CAR FOR ENERGIZING SAID MOTOR FROM A SOURCE OF CURRENT IN SAID CAR; (G) FIRST CONDUCTOR MEANS CONNECTING THE OTHER TERMINAL OF SAID FIELD COIL TO THE OTHER ONE OF SAID RESILIENT CONDUCTIVE MEANS; (H) SECOND CONDUCTOR MEANS CONNECTING SAID FIXED CONTACTS IN CIRCUIT WITH EACH OTHER AND WITH SAID ROTOR FOR ROTATING THE SAME IN ONE DIRECTION WHEN ONE OF SAID PUSH BUTTONS IS PRESSED WHILE SAID PLUG IS CONNECTED TO SAID LIGHTER SOCKET, AND FOR ROTATING SAID ROTOR IN THE OTHER DIRECTION WHEN THE OTHER PUSH BUTTON IS PRESSED; (I) A FIRST PLANET CARRIER COAXIAL WITH SAID SHAFT