Door system of the swivel-sliding type for use in an vehicle

A door system of the swivel-sliding type for use in a vehicle, suitable in particular for a vehicle for public transport, said door system comprising at least one door panel;

• suspension means for said at least one door panel, which comprise a telescopic guide;
• and a drive system for said at least one door panel, wherein the drive system comprises at least one piston-cylinder assembly of which a first movable part is connected to the telescopic guide via a system of arms and rods so as to cause said telescopic guide in operation to perform a plugging movement, while a second part of the piston-cylinder assembly is provided with a projection extending into a track having a first section extending substantially transverse to said at least one door panel and an adjoining section extending substantially parallel to the telescopic guide, the projection forming a part of a pantograph construction mounted between a fixed pivot point and a point of attachment on said door panel, said pantograph construction transmitting the movement of the projection to the door, the projection being coupled to the angular point of a rod parallelogram, one side of the parallelogram that is disposed opposite said angular point being extended and pivotally connected to a fixed point and the other side that is disposed opposite said angular point being likewise extended and having its end extending beyond the parallelogram pivotally coupled to said at least one door panel, and the first movable part of the piston-cylinder assembly being coupled to an operating arm of a balance lever.