Door having swinging door wings

Claim 1

A DOOR ADAPTED TO CLOSE A DOOR OPENING IN A WALL, ESPECIALLY THE OUTER WALL OF A VEHICLE, COMPRISING A PLURALITY OF INDIVIDUAL SWINGING DOOR WINGS HAVING A CLOSED POSITION ADAPTED TO FULLY CLOSE SAID DOOR OPENING, SAID PLURALITY OF INDIVIDUAL SWINGING DOOR WINGS INCLUDING AT LEAST TWO ADJACENT DOOR WINGS, EACH OF SAID TWO ADJACENT DOOR WINGS HAVING INDIVIDUAL VERTICAL PIVOT AXIS MEANS, AND MEANS FOR ESSENTIALLY SIMULTANEOUSLY AND INDEPENDENTLY TURNING EACH OF SAID TWO ADJACENT DOOR WINGS IN THE SAME DIRECTION ABOUT THEIR RESPECTIVE INDIVIDUAL VERTICAL PIVOT AXIS MEANS AND, SUBSTANTIALLY SIMULTANEOUSLY WITH SAID TURNING, FOR SLIDING SAID TWO ADJACENT DOOR WINGS FROM THE CLOSED POSITION THEREOF TOWARD ONE LATERAL SIDE OF SAID DOOR OPENING, SAID LAST-MENTIONED TURNING AND SLIDING MEANS INCLUDING AT LEAST ONE GUIDE RAIL MOUNTED AT ONE END OF SAID DOOR AND EXTENDING ESSENTIALLY IN THE LONGITUDINAL DIRECTION OF THE DOOR OPENING, DRIVING MEANS, AND SEPARATE LEVER MEANS FOR EACH DOOR WING INDEPENDENTLY CONNECTING THE INDIVIDUAL VERTICAL PIVOT AXIS MEANS OF THE RESPECTIVE DOOR WING WITH SAID DRIVING MEANS FOR SIMULTANEOUSLY AND INDEPENDENTLY TURNING AND SLIDING THE RESPECTIVE DOOR WING ALONG SAID GUIDE RAIL, WHEREBY UPON ACTUATION OF SAID DRIVING MEANS AND WITH SAID DOOR WINGS IN THE CLOSED POSITION THEREOF, SAID DOOR WINGS ARE SIMULTANEOUSLY AND INDEPENDENTLY TURNED AND SLID ALONG SAID GUIDE RAIL INTO AN OPEN POSITION WHEREIN SAID DOOR WINGS EXTEND SUBSTANTIALLY PARALLEL TO EACH OTHER AND AT SUBSTANTIALLY RIGHT ANGLES TO SAID WALL.