Slidable door in motor vehicles

Claim 1

A SLIDABLE DOOR ARRANGEMENT, PARTICULARLY FOR MOTOR VEHICLES HAVING A VEHICLE SUPERSTRUCTURE AND A DOOR NORMALLY CLOSING THE DOOR APERTURE PROVIDED THEREFOR IN THE VEHICLE, COMPRISING SUPPORT MEANS FOR SAID DOOR INCLUDING TWO COMMONLY ACTUABLE APPROXIMATELY HORIZONTAL SUPPORTS ARMS DISPOSED ESSENTIALLY PARALLEL TO EACH OTHER AND VERTICALLY SPACED TO SUPPORT SAID SLIDABLE DOOR AT SAID SUPERSTRUCTURE, PIVOT MEANS FOR SAID SUPPORT ARMS INCLUDING TWO APPROXIMATELY VERTICAL AND PARALLEL PIVOT SHAFTS SPACED FROM EACH OTHER IN THE LONGITUDINAL DIRECTION OF THE VEHICLE AND LOCATED ADJACENT ONE SIDE OF SAID DOOR APERTURE, RECTILINEAR GUIDE MEANS INCLUDING GUIDE RAIL MEANS SECURED TO SAID DOOR, GUIDE ROLLERS ENGAGING SAID GUIDE RAIL MEANS, CARRIAGE MEANS FOR SAID GUIDE ROLLERS OPERATIVELY CONNECTING SAID SUPPORT ARMS WITH SAID DOOR, AND MEANS INCLUDING SAID SUPPORT ARMS AND SAID PIVOT MEANS TO PROVIDE A FIRST MOVEMENT OF SAID DOOR DURING OPERTURE AND TO THEREUPON PROVIDE A SECOND MOVEMENT OF SAID DOOR IN THE LONGITUDINAL DIRECTION OF THE VEHICLE.