Wheeled vehicles for travel on streets and railways

Claim 1

IN A VEHICLE ADAPTED TO TRAVEL ON STREETS AND RAILWAYS, IN COMBINATION, A VEHICLE BODY; TWO PAIRS OF WHEELS RESPECTIVELY SITUATED AT OPPOSITE SIDES OF SAID VEHICLE BODY TO SUPPORT THE LATTER FOR TRAVEL ON STREETS, SAID WHEELS BEING SPACED FROM EACH OTHER BY A DISTANCE EQUAL TO THE DISTANCE BETWEEN RAILS OF A RAILWAY SO THAT SAID WHEELS CAN ALSO RIDE ON RAILWAY RAILS; MAIN GUIDE MEANS CARRIED BY SAID VEHICLE BODY AND HAVING OPERATIVE POSITION ADJACENT SAID WHEELS AND IN THE IMMEDIATE VICINITY OF RAILWAY RAILS IN THE SPACE NORMALLY OCCUPIED BY RIMS OF CONVENTIONAL RAIL WHEELS TO COOPERATE WITH RAILS FOR GUIDING AND MAINTAINING SAID VEHICLE WHEELS THEREON, SAID MAIN GUIDE MEANS BEING DISPLACEABLE AWAY FROM SAID OPERATIVE POSITIONS THEREOF TO LOCATIONS WHERE SAID MAIN GUIDE MEANS WILL HAVE NO INFLUENCE ON NORMAL TRAVEL THE VEHICLE ON STREETS; AND AUXILIARY GUIDE MEANS CARRIED BY SAID MAIN GUIDE MEANS FOR VERTICAL MOVEMENT RELATIVE THERETO AND EXTENDING DOWNWARDLY BEYOND SAID MAIN GUIDE MEANS TO AN ELEVATION LOWER THAN THE TOP SURFACE OF RAILS ON WHICH SAID WHEELS TRAVEL.